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21576 lines
643 KiB
JavaScript
21576 lines
643 KiB
JavaScript
/**
|
||
* @licstart The following is the entire license notice for the
|
||
* JavaScript code in this page
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||
*
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||
* Copyright 2024 Mozilla Foundation
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||
*
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||
* Licensed under the Apache License, Version 2.0 (the "License");
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||
* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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||
*
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* http://www.apache.org/licenses/LICENSE-2.0
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||
*
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||
* Unless required by applicable law or agreed to in writing, software
|
||
* distributed under the License is distributed on an "AS IS" BASIS,
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||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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||
* See the License for the specific language governing permissions and
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||
* limitations under the License.
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||
*
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* @licend The above is the entire license notice for the
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* JavaScript code in this page
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*/
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||
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/******/ // The require scope
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||
/******/ var __webpack_require__ = {};
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||
/******/
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||
/************************************************************************/
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||
/******/ /* webpack/runtime/define property getters */
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||
/******/ (() => {
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||
/******/ // define getter functions for harmony exports
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||
/******/ __webpack_require__.d = (exports, definition) => {
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||
/******/ for(var key in definition) {
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||
/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
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||
/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
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||
/******/ }
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||
/******/ }
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||
/******/ };
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||
/******/ })();
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||
/******/
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||
/******/ /* webpack/runtime/hasOwnProperty shorthand */
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||
/******/ (() => {
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||
/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
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||
/******/ })();
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/******/
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/************************************************************************/
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var __webpack_exports__ = globalThis.pdfjsLib = {};
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// EXPORTS
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__webpack_require__.d(__webpack_exports__, {
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AbortException: () => (/* reexport */ AbortException),
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AnnotationEditorLayer: () => (/* reexport */ AnnotationEditorLayer),
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||
AnnotationEditorParamsType: () => (/* reexport */ AnnotationEditorParamsType),
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||
AnnotationEditorType: () => (/* reexport */ AnnotationEditorType),
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||
AnnotationEditorUIManager: () => (/* reexport */ AnnotationEditorUIManager),
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||
AnnotationLayer: () => (/* reexport */ AnnotationLayer),
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||
AnnotationMode: () => (/* reexport */ AnnotationMode),
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||
ColorPicker: () => (/* reexport */ ColorPicker),
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||
DOMSVGFactory: () => (/* reexport */ DOMSVGFactory),
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||
DrawLayer: () => (/* reexport */ DrawLayer),
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||
FeatureTest: () => (/* reexport */ util_FeatureTest),
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||
GlobalWorkerOptions: () => (/* reexport */ GlobalWorkerOptions),
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||
ImageKind: () => (/* reexport */ util_ImageKind),
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||
InvalidPDFException: () => (/* reexport */ InvalidPDFException),
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||
MissingPDFException: () => (/* reexport */ MissingPDFException),
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||
OPS: () => (/* reexport */ OPS),
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||
OutputScale: () => (/* reexport */ OutputScale),
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||
PDFDataRangeTransport: () => (/* reexport */ PDFDataRangeTransport),
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||
PDFDateString: () => (/* reexport */ PDFDateString),
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||
PDFWorker: () => (/* reexport */ PDFWorker),
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||
PasswordResponses: () => (/* reexport */ PasswordResponses),
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||
PermissionFlag: () => (/* reexport */ PermissionFlag),
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||
PixelsPerInch: () => (/* reexport */ PixelsPerInch),
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||
RenderingCancelledException: () => (/* reexport */ RenderingCancelledException),
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||
TextLayer: () => (/* reexport */ TextLayer),
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||
TouchManager: () => (/* reexport */ TouchManager),
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||
UnexpectedResponseException: () => (/* reexport */ UnexpectedResponseException),
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||
Util: () => (/* reexport */ Util),
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||
VerbosityLevel: () => (/* reexport */ VerbosityLevel),
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||
XfaLayer: () => (/* reexport */ XfaLayer),
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||
build: () => (/* reexport */ build),
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||
createValidAbsoluteUrl: () => (/* reexport */ createValidAbsoluteUrl),
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||
fetchData: () => (/* reexport */ fetchData),
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||
getDocument: () => (/* reexport */ getDocument),
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||
getFilenameFromUrl: () => (/* reexport */ getFilenameFromUrl),
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||
getPdfFilenameFromUrl: () => (/* reexport */ getPdfFilenameFromUrl),
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||
getXfaPageViewport: () => (/* reexport */ getXfaPageViewport),
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||
isDataScheme: () => (/* reexport */ isDataScheme),
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||
isPdfFile: () => (/* reexport */ isPdfFile),
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||
noContextMenu: () => (/* reexport */ noContextMenu),
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||
normalizeUnicode: () => (/* reexport */ normalizeUnicode),
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||
setLayerDimensions: () => (/* reexport */ setLayerDimensions),
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||
shadow: () => (/* reexport */ shadow),
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||
stopEvent: () => (/* reexport */ stopEvent),
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version: () => (/* reexport */ version)
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});
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;// ./src/shared/util.js
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const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
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const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
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const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
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||
const MAX_IMAGE_SIZE_TO_CACHE = 10e6;
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||
const LINE_FACTOR = 1.35;
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||
const LINE_DESCENT_FACTOR = 0.35;
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||
const BASELINE_FACTOR = LINE_DESCENT_FACTOR / LINE_FACTOR;
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||
const RenderingIntentFlag = {
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ANY: 0x01,
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DISPLAY: 0x02,
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PRINT: 0x04,
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SAVE: 0x08,
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||
ANNOTATIONS_FORMS: 0x10,
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||
ANNOTATIONS_STORAGE: 0x20,
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||
ANNOTATIONS_DISABLE: 0x40,
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IS_EDITING: 0x80,
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OPLIST: 0x100
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};
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const AnnotationMode = {
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DISABLE: 0,
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ENABLE: 1,
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ENABLE_FORMS: 2,
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ENABLE_STORAGE: 3
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};
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const AnnotationEditorPrefix = "pdfjs_internal_editor_";
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||
const AnnotationEditorType = {
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DISABLE: -1,
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NONE: 0,
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FREETEXT: 3,
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||
HIGHLIGHT: 9,
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STAMP: 13,
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INK: 15
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};
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||
const AnnotationEditorParamsType = {
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RESIZE: 1,
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CREATE: 2,
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FREETEXT_SIZE: 11,
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FREETEXT_COLOR: 12,
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||
FREETEXT_OPACITY: 13,
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||
INK_COLOR: 21,
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||
INK_THICKNESS: 22,
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||
INK_OPACITY: 23,
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||
HIGHLIGHT_COLOR: 31,
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HIGHLIGHT_DEFAULT_COLOR: 32,
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||
HIGHLIGHT_THICKNESS: 33,
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||
HIGHLIGHT_FREE: 34,
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HIGHLIGHT_SHOW_ALL: 35,
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DRAW_STEP: 41
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};
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||
const PermissionFlag = {
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PRINT: 0x04,
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MODIFY_CONTENTS: 0x08,
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COPY: 0x10,
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MODIFY_ANNOTATIONS: 0x20,
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||
FILL_INTERACTIVE_FORMS: 0x100,
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||
COPY_FOR_ACCESSIBILITY: 0x200,
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||
ASSEMBLE: 0x400,
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||
PRINT_HIGH_QUALITY: 0x800
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||
};
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||
const TextRenderingMode = {
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||
FILL: 0,
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||
STROKE: 1,
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||
FILL_STROKE: 2,
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||
INVISIBLE: 3,
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FILL_ADD_TO_PATH: 4,
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||
STROKE_ADD_TO_PATH: 5,
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||
FILL_STROKE_ADD_TO_PATH: 6,
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||
ADD_TO_PATH: 7,
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FILL_STROKE_MASK: 3,
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||
ADD_TO_PATH_FLAG: 4
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||
};
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||
const util_ImageKind = {
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||
GRAYSCALE_1BPP: 1,
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RGB_24BPP: 2,
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RGBA_32BPP: 3
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};
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const AnnotationType = {
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||
TEXT: 1,
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||
LINK: 2,
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||
FREETEXT: 3,
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||
LINE: 4,
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||
SQUARE: 5,
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||
CIRCLE: 6,
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||
POLYGON: 7,
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||
POLYLINE: 8,
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||
HIGHLIGHT: 9,
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||
UNDERLINE: 10,
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||
SQUIGGLY: 11,
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||
STRIKEOUT: 12,
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||
STAMP: 13,
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||
CARET: 14,
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||
INK: 15,
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||
POPUP: 16,
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||
FILEATTACHMENT: 17,
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||
SOUND: 18,
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||
MOVIE: 19,
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||
WIDGET: 20,
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||
SCREEN: 21,
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||
PRINTERMARK: 22,
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||
TRAPNET: 23,
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||
WATERMARK: 24,
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||
THREED: 25,
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||
REDACT: 26
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||
};
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||
const AnnotationReplyType = {
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GROUP: "Group",
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||
REPLY: "R"
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||
};
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||
const AnnotationFlag = {
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||
INVISIBLE: 0x01,
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||
HIDDEN: 0x02,
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PRINT: 0x04,
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||
NOZOOM: 0x08,
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||
NOROTATE: 0x10,
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||
NOVIEW: 0x20,
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||
READONLY: 0x40,
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||
LOCKED: 0x80,
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||
TOGGLENOVIEW: 0x100,
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||
LOCKEDCONTENTS: 0x200
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||
};
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||
const AnnotationFieldFlag = {
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||
READONLY: 0x0000001,
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||
REQUIRED: 0x0000002,
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||
NOEXPORT: 0x0000004,
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||
MULTILINE: 0x0001000,
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||
PASSWORD: 0x0002000,
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||
NOTOGGLETOOFF: 0x0004000,
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||
RADIO: 0x0008000,
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||
PUSHBUTTON: 0x0010000,
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||
COMBO: 0x0020000,
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||
EDIT: 0x0040000,
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||
SORT: 0x0080000,
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||
FILESELECT: 0x0100000,
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||
MULTISELECT: 0x0200000,
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||
DONOTSPELLCHECK: 0x0400000,
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||
DONOTSCROLL: 0x0800000,
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||
COMB: 0x1000000,
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||
RICHTEXT: 0x2000000,
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||
RADIOSINUNISON: 0x2000000,
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||
COMMITONSELCHANGE: 0x4000000
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||
};
|
||
const AnnotationBorderStyleType = {
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||
SOLID: 1,
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||
DASHED: 2,
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||
BEVELED: 3,
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||
INSET: 4,
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||
UNDERLINE: 5
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||
};
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||
const AnnotationActionEventType = {
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E: "Mouse Enter",
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||
X: "Mouse Exit",
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D: "Mouse Down",
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U: "Mouse Up",
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||
Fo: "Focus",
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||
Bl: "Blur",
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||
PO: "PageOpen",
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||
PC: "PageClose",
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||
PV: "PageVisible",
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||
PI: "PageInvisible",
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||
K: "Keystroke",
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||
F: "Format",
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||
V: "Validate",
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||
C: "Calculate"
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||
};
|
||
const DocumentActionEventType = {
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||
WC: "WillClose",
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||
WS: "WillSave",
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||
DS: "DidSave",
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||
WP: "WillPrint",
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||
DP: "DidPrint"
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||
};
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||
const PageActionEventType = {
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||
O: "PageOpen",
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||
C: "PageClose"
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||
};
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||
const VerbosityLevel = {
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||
ERRORS: 0,
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||
WARNINGS: 1,
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||
INFOS: 5
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||
};
|
||
const OPS = {
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||
dependency: 1,
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||
setLineWidth: 2,
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||
setLineCap: 3,
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||
setLineJoin: 4,
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||
setMiterLimit: 5,
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||
setDash: 6,
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||
setRenderingIntent: 7,
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||
setFlatness: 8,
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||
setGState: 9,
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||
save: 10,
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||
restore: 11,
|
||
transform: 12,
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||
moveTo: 13,
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||
lineTo: 14,
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||
curveTo: 15,
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||
curveTo2: 16,
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||
curveTo3: 17,
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||
closePath: 18,
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||
rectangle: 19,
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||
stroke: 20,
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||
closeStroke: 21,
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||
fill: 22,
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||
eoFill: 23,
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||
fillStroke: 24,
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||
eoFillStroke: 25,
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||
closeFillStroke: 26,
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||
closeEOFillStroke: 27,
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||
endPath: 28,
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||
clip: 29,
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||
eoClip: 30,
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||
beginText: 31,
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||
endText: 32,
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||
setCharSpacing: 33,
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||
setWordSpacing: 34,
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||
setHScale: 35,
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||
setLeading: 36,
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||
setFont: 37,
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||
setTextRenderingMode: 38,
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||
setTextRise: 39,
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||
moveText: 40,
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||
setLeadingMoveText: 41,
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||
setTextMatrix: 42,
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||
nextLine: 43,
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||
showText: 44,
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||
showSpacedText: 45,
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||
nextLineShowText: 46,
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||
nextLineSetSpacingShowText: 47,
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||
setCharWidth: 48,
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||
setCharWidthAndBounds: 49,
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||
setStrokeColorSpace: 50,
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||
setFillColorSpace: 51,
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||
setStrokeColor: 52,
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||
setStrokeColorN: 53,
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||
setFillColor: 54,
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||
setFillColorN: 55,
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||
setStrokeGray: 56,
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||
setFillGray: 57,
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||
setStrokeRGBColor: 58,
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||
setFillRGBColor: 59,
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||
setStrokeCMYKColor: 60,
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||
setFillCMYKColor: 61,
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||
shadingFill: 62,
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||
beginInlineImage: 63,
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||
beginImageData: 64,
|
||
endInlineImage: 65,
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||
paintXObject: 66,
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||
markPoint: 67,
|
||
markPointProps: 68,
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||
beginMarkedContent: 69,
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||
beginMarkedContentProps: 70,
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||
endMarkedContent: 71,
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||
beginCompat: 72,
|
||
endCompat: 73,
|
||
paintFormXObjectBegin: 74,
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||
paintFormXObjectEnd: 75,
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||
beginGroup: 76,
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||
endGroup: 77,
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||
beginAnnotation: 80,
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||
endAnnotation: 81,
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||
paintImageMaskXObject: 83,
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||
paintImageMaskXObjectGroup: 84,
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||
paintImageXObject: 85,
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||
paintInlineImageXObject: 86,
|
||
paintInlineImageXObjectGroup: 87,
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||
paintImageXObjectRepeat: 88,
|
||
paintImageMaskXObjectRepeat: 89,
|
||
paintSolidColorImageMask: 90,
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||
constructPath: 91,
|
||
setStrokeTransparent: 92,
|
||
setFillTransparent: 93
|
||
};
|
||
const PasswordResponses = {
|
||
NEED_PASSWORD: 1,
|
||
INCORRECT_PASSWORD: 2
|
||
};
|
||
let verbosity = VerbosityLevel.WARNINGS;
|
||
function setVerbosityLevel(level) {
|
||
if (Number.isInteger(level)) {
|
||
verbosity = level;
|
||
}
|
||
}
|
||
function getVerbosityLevel() {
|
||
return verbosity;
|
||
}
|
||
function info(msg) {
|
||
if (verbosity >= VerbosityLevel.INFOS) {
|
||
console.log(`Info: ${msg}`);
|
||
}
|
||
}
|
||
function warn(msg) {
|
||
if (verbosity >= VerbosityLevel.WARNINGS) {
|
||
console.log(`Warning: ${msg}`);
|
||
}
|
||
}
|
||
function unreachable(msg) {
|
||
throw new Error(msg);
|
||
}
|
||
function assert(cond, msg) {
|
||
if (!cond) {
|
||
unreachable(msg);
|
||
}
|
||
}
|
||
function _isValidProtocol(url) {
|
||
switch (url?.protocol) {
|
||
case "http:":
|
||
case "https:":
|
||
case "ftp:":
|
||
case "mailto:":
|
||
case "tel:":
|
||
return true;
|
||
default:
|
||
return false;
|
||
}
|
||
}
|
||
function createValidAbsoluteUrl(url, baseUrl = null, options = null) {
|
||
if (!url) {
|
||
return null;
|
||
}
|
||
try {
|
||
if (options && typeof url === "string") {
|
||
if (options.addDefaultProtocol && url.startsWith("www.")) {
|
||
const dots = url.match(/\./g);
|
||
if (dots?.length >= 2) {
|
||
url = `http://${url}`;
|
||
}
|
||
}
|
||
if (options.tryConvertEncoding) {
|
||
try {
|
||
url = stringToUTF8String(url);
|
||
} catch {}
|
||
}
|
||
}
|
||
const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
|
||
if (_isValidProtocol(absoluteUrl)) {
|
||
return absoluteUrl;
|
||
}
|
||
} catch {}
|
||
return null;
|
||
}
|
||
function shadow(obj, prop, value, nonSerializable = false) {
|
||
Object.defineProperty(obj, prop, {
|
||
value,
|
||
enumerable: !nonSerializable,
|
||
configurable: true,
|
||
writable: false
|
||
});
|
||
return value;
|
||
}
|
||
const BaseException = function BaseExceptionClosure() {
|
||
function BaseException(message, name) {
|
||
this.message = message;
|
||
this.name = name;
|
||
}
|
||
BaseException.prototype = new Error();
|
||
BaseException.constructor = BaseException;
|
||
return BaseException;
|
||
}();
|
||
class PasswordException extends BaseException {
|
||
constructor(msg, code) {
|
||
super(msg, "PasswordException");
|
||
this.code = code;
|
||
}
|
||
}
|
||
class UnknownErrorException extends BaseException {
|
||
constructor(msg, details) {
|
||
super(msg, "UnknownErrorException");
|
||
this.details = details;
|
||
}
|
||
}
|
||
class InvalidPDFException extends BaseException {
|
||
constructor(msg) {
|
||
super(msg, "InvalidPDFException");
|
||
}
|
||
}
|
||
class MissingPDFException extends BaseException {
|
||
constructor(msg) {
|
||
super(msg, "MissingPDFException");
|
||
}
|
||
}
|
||
class UnexpectedResponseException extends BaseException {
|
||
constructor(msg, status) {
|
||
super(msg, "UnexpectedResponseException");
|
||
this.status = status;
|
||
}
|
||
}
|
||
class FormatError extends BaseException {
|
||
constructor(msg) {
|
||
super(msg, "FormatError");
|
||
}
|
||
}
|
||
class AbortException extends BaseException {
|
||
constructor(msg) {
|
||
super(msg, "AbortException");
|
||
}
|
||
}
|
||
function bytesToString(bytes) {
|
||
if (typeof bytes !== "object" || bytes?.length === undefined) {
|
||
unreachable("Invalid argument for bytesToString");
|
||
}
|
||
const length = bytes.length;
|
||
const MAX_ARGUMENT_COUNT = 8192;
|
||
if (length < MAX_ARGUMENT_COUNT) {
|
||
return String.fromCharCode.apply(null, bytes);
|
||
}
|
||
const strBuf = [];
|
||
for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
|
||
const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
|
||
const chunk = bytes.subarray(i, chunkEnd);
|
||
strBuf.push(String.fromCharCode.apply(null, chunk));
|
||
}
|
||
return strBuf.join("");
|
||
}
|
||
function stringToBytes(str) {
|
||
if (typeof str !== "string") {
|
||
unreachable("Invalid argument for stringToBytes");
|
||
}
|
||
const length = str.length;
|
||
const bytes = new Uint8Array(length);
|
||
for (let i = 0; i < length; ++i) {
|
||
bytes[i] = str.charCodeAt(i) & 0xff;
|
||
}
|
||
return bytes;
|
||
}
|
||
function string32(value) {
|
||
return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
|
||
}
|
||
function objectSize(obj) {
|
||
return Object.keys(obj).length;
|
||
}
|
||
function objectFromMap(map) {
|
||
const obj = Object.create(null);
|
||
for (const [key, value] of map) {
|
||
obj[key] = value;
|
||
}
|
||
return obj;
|
||
}
|
||
function isLittleEndian() {
|
||
const buffer8 = new Uint8Array(4);
|
||
buffer8[0] = 1;
|
||
const view32 = new Uint32Array(buffer8.buffer, 0, 1);
|
||
return view32[0] === 1;
|
||
}
|
||
function isEvalSupported() {
|
||
try {
|
||
new Function("");
|
||
return true;
|
||
} catch {
|
||
return false;
|
||
}
|
||
}
|
||
class util_FeatureTest {
|
||
static get isLittleEndian() {
|
||
return shadow(this, "isLittleEndian", isLittleEndian());
|
||
}
|
||
static get isEvalSupported() {
|
||
return shadow(this, "isEvalSupported", isEvalSupported());
|
||
}
|
||
static get isOffscreenCanvasSupported() {
|
||
return shadow(this, "isOffscreenCanvasSupported", typeof OffscreenCanvas !== "undefined");
|
||
}
|
||
static get isImageDecoderSupported() {
|
||
return shadow(this, "isImageDecoderSupported", typeof ImageDecoder !== "undefined");
|
||
}
|
||
static get platform() {
|
||
if (typeof navigator !== "undefined" && typeof navigator?.platform === "string") {
|
||
return shadow(this, "platform", {
|
||
isMac: navigator.platform.includes("Mac"),
|
||
isWindows: navigator.platform.includes("Win"),
|
||
isFirefox: typeof navigator?.userAgent === "string" && navigator.userAgent.includes("Firefox")
|
||
});
|
||
}
|
||
return shadow(this, "platform", {
|
||
isMac: false,
|
||
isWindows: false,
|
||
isFirefox: false
|
||
});
|
||
}
|
||
static get isCSSRoundSupported() {
|
||
return shadow(this, "isCSSRoundSupported", globalThis.CSS?.supports?.("width: round(1.5px, 1px)"));
|
||
}
|
||
}
|
||
const hexNumbers = Array.from(Array(256).keys(), n => n.toString(16).padStart(2, "0"));
|
||
class Util {
|
||
static makeHexColor(r, g, b) {
|
||
return `#${hexNumbers[r]}${hexNumbers[g]}${hexNumbers[b]}`;
|
||
}
|
||
static scaleMinMax(transform, minMax) {
|
||
let temp;
|
||
if (transform[0]) {
|
||
if (transform[0] < 0) {
|
||
temp = minMax[0];
|
||
minMax[0] = minMax[2];
|
||
minMax[2] = temp;
|
||
}
|
||
minMax[0] *= transform[0];
|
||
minMax[2] *= transform[0];
|
||
if (transform[3] < 0) {
|
||
temp = minMax[1];
|
||
minMax[1] = minMax[3];
|
||
minMax[3] = temp;
|
||
}
|
||
minMax[1] *= transform[3];
|
||
minMax[3] *= transform[3];
|
||
} else {
|
||
temp = minMax[0];
|
||
minMax[0] = minMax[1];
|
||
minMax[1] = temp;
|
||
temp = minMax[2];
|
||
minMax[2] = minMax[3];
|
||
minMax[3] = temp;
|
||
if (transform[1] < 0) {
|
||
temp = minMax[1];
|
||
minMax[1] = minMax[3];
|
||
minMax[3] = temp;
|
||
}
|
||
minMax[1] *= transform[1];
|
||
minMax[3] *= transform[1];
|
||
if (transform[2] < 0) {
|
||
temp = minMax[0];
|
||
minMax[0] = minMax[2];
|
||
minMax[2] = temp;
|
||
}
|
||
minMax[0] *= transform[2];
|
||
minMax[2] *= transform[2];
|
||
}
|
||
minMax[0] += transform[4];
|
||
minMax[1] += transform[5];
|
||
minMax[2] += transform[4];
|
||
minMax[3] += transform[5];
|
||
}
|
||
static transform(m1, m2) {
|
||
return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
|
||
}
|
||
static applyTransform(p, m) {
|
||
const xt = p[0] * m[0] + p[1] * m[2] + m[4];
|
||
const yt = p[0] * m[1] + p[1] * m[3] + m[5];
|
||
return [xt, yt];
|
||
}
|
||
static applyInverseTransform(p, m) {
|
||
const d = m[0] * m[3] - m[1] * m[2];
|
||
const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
|
||
const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
|
||
return [xt, yt];
|
||
}
|
||
static getAxialAlignedBoundingBox(r, m) {
|
||
const p1 = this.applyTransform(r, m);
|
||
const p2 = this.applyTransform(r.slice(2, 4), m);
|
||
const p3 = this.applyTransform([r[0], r[3]], m);
|
||
const p4 = this.applyTransform([r[2], r[1]], m);
|
||
return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
|
||
}
|
||
static inverseTransform(m) {
|
||
const d = m[0] * m[3] - m[1] * m[2];
|
||
return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
|
||
}
|
||
static singularValueDecompose2dScale(m) {
|
||
const transpose = [m[0], m[2], m[1], m[3]];
|
||
const a = m[0] * transpose[0] + m[1] * transpose[2];
|
||
const b = m[0] * transpose[1] + m[1] * transpose[3];
|
||
const c = m[2] * transpose[0] + m[3] * transpose[2];
|
||
const d = m[2] * transpose[1] + m[3] * transpose[3];
|
||
const first = (a + d) / 2;
|
||
const second = Math.sqrt((a + d) ** 2 - 4 * (a * d - c * b)) / 2;
|
||
const sx = first + second || 1;
|
||
const sy = first - second || 1;
|
||
return [Math.sqrt(sx), Math.sqrt(sy)];
|
||
}
|
||
static normalizeRect(rect) {
|
||
const r = rect.slice(0);
|
||
if (rect[0] > rect[2]) {
|
||
r[0] = rect[2];
|
||
r[2] = rect[0];
|
||
}
|
||
if (rect[1] > rect[3]) {
|
||
r[1] = rect[3];
|
||
r[3] = rect[1];
|
||
}
|
||
return r;
|
||
}
|
||
static intersect(rect1, rect2) {
|
||
const xLow = Math.max(Math.min(rect1[0], rect1[2]), Math.min(rect2[0], rect2[2]));
|
||
const xHigh = Math.min(Math.max(rect1[0], rect1[2]), Math.max(rect2[0], rect2[2]));
|
||
if (xLow > xHigh) {
|
||
return null;
|
||
}
|
||
const yLow = Math.max(Math.min(rect1[1], rect1[3]), Math.min(rect2[1], rect2[3]));
|
||
const yHigh = Math.min(Math.max(rect1[1], rect1[3]), Math.max(rect2[1], rect2[3]));
|
||
if (yLow > yHigh) {
|
||
return null;
|
||
}
|
||
return [xLow, yLow, xHigh, yHigh];
|
||
}
|
||
static #getExtremumOnCurve(x0, x1, x2, x3, y0, y1, y2, y3, t, minMax) {
|
||
if (t <= 0 || t >= 1) {
|
||
return;
|
||
}
|
||
const mt = 1 - t;
|
||
const tt = t * t;
|
||
const ttt = tt * t;
|
||
const x = mt * (mt * (mt * x0 + 3 * t * x1) + 3 * tt * x2) + ttt * x3;
|
||
const y = mt * (mt * (mt * y0 + 3 * t * y1) + 3 * tt * y2) + ttt * y3;
|
||
minMax[0] = Math.min(minMax[0], x);
|
||
minMax[1] = Math.min(minMax[1], y);
|
||
minMax[2] = Math.max(minMax[2], x);
|
||
minMax[3] = Math.max(minMax[3], y);
|
||
}
|
||
static #getExtremum(x0, x1, x2, x3, y0, y1, y2, y3, a, b, c, minMax) {
|
||
if (Math.abs(a) < 1e-12) {
|
||
if (Math.abs(b) >= 1e-12) {
|
||
this.#getExtremumOnCurve(x0, x1, x2, x3, y0, y1, y2, y3, -c / b, minMax);
|
||
}
|
||
return;
|
||
}
|
||
const delta = b ** 2 - 4 * c * a;
|
||
if (delta < 0) {
|
||
return;
|
||
}
|
||
const sqrtDelta = Math.sqrt(delta);
|
||
const a2 = 2 * a;
|
||
this.#getExtremumOnCurve(x0, x1, x2, x3, y0, y1, y2, y3, (-b + sqrtDelta) / a2, minMax);
|
||
this.#getExtremumOnCurve(x0, x1, x2, x3, y0, y1, y2, y3, (-b - sqrtDelta) / a2, minMax);
|
||
}
|
||
static bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3, minMax) {
|
||
if (minMax) {
|
||
minMax[0] = Math.min(minMax[0], x0, x3);
|
||
minMax[1] = Math.min(minMax[1], y0, y3);
|
||
minMax[2] = Math.max(minMax[2], x0, x3);
|
||
minMax[3] = Math.max(minMax[3], y0, y3);
|
||
} else {
|
||
minMax = [Math.min(x0, x3), Math.min(y0, y3), Math.max(x0, x3), Math.max(y0, y3)];
|
||
}
|
||
this.#getExtremum(x0, x1, x2, x3, y0, y1, y2, y3, 3 * (-x0 + 3 * (x1 - x2) + x3), 6 * (x0 - 2 * x1 + x2), 3 * (x1 - x0), minMax);
|
||
this.#getExtremum(x0, x1, x2, x3, y0, y1, y2, y3, 3 * (-y0 + 3 * (y1 - y2) + y3), 6 * (y0 - 2 * y1 + y2), 3 * (y1 - y0), minMax);
|
||
return minMax;
|
||
}
|
||
}
|
||
const PDFStringTranslateTable = (/* unused pure expression or super */ null && ([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2d8, 0x2c7, 0x2c6, 0x2d9, 0x2dd, 0x2db, 0x2da, 0x2dc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203a, 0x2212, 0x2030, 0x201e, 0x201c, 0x201d, 0x2018, 0x2019, 0x201a, 0x2122, 0xfb01, 0xfb02, 0x141, 0x152, 0x160, 0x178, 0x17d, 0x131, 0x142, 0x153, 0x161, 0x17e, 0, 0x20ac]));
|
||
function stringToPDFString(str) {
|
||
if (str[0] >= "\xEF") {
|
||
let encoding;
|
||
if (str[0] === "\xFE" && str[1] === "\xFF") {
|
||
encoding = "utf-16be";
|
||
if (str.length % 2 === 1) {
|
||
str = str.slice(0, -1);
|
||
}
|
||
} else if (str[0] === "\xFF" && str[1] === "\xFE") {
|
||
encoding = "utf-16le";
|
||
if (str.length % 2 === 1) {
|
||
str = str.slice(0, -1);
|
||
}
|
||
} else if (str[0] === "\xEF" && str[1] === "\xBB" && str[2] === "\xBF") {
|
||
encoding = "utf-8";
|
||
}
|
||
if (encoding) {
|
||
try {
|
||
const decoder = new TextDecoder(encoding, {
|
||
fatal: true
|
||
});
|
||
const buffer = stringToBytes(str);
|
||
const decoded = decoder.decode(buffer);
|
||
if (!decoded.includes("\x1b")) {
|
||
return decoded;
|
||
}
|
||
return decoded.replaceAll(/\x1b[^\x1b]*(?:\x1b|$)/g, "");
|
||
} catch (ex) {
|
||
warn(`stringToPDFString: "${ex}".`);
|
||
}
|
||
}
|
||
}
|
||
const strBuf = [];
|
||
for (let i = 0, ii = str.length; i < ii; i++) {
|
||
const charCode = str.charCodeAt(i);
|
||
if (charCode === 0x1b) {
|
||
while (++i < ii && str.charCodeAt(i) !== 0x1b) {}
|
||
continue;
|
||
}
|
||
const code = PDFStringTranslateTable[charCode];
|
||
strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
|
||
}
|
||
return strBuf.join("");
|
||
}
|
||
function stringToUTF8String(str) {
|
||
return decodeURIComponent(escape(str));
|
||
}
|
||
function utf8StringToString(str) {
|
||
return unescape(encodeURIComponent(str));
|
||
}
|
||
function isArrayEqual(arr1, arr2) {
|
||
if (arr1.length !== arr2.length) {
|
||
return false;
|
||
}
|
||
for (let i = 0, ii = arr1.length; i < ii; i++) {
|
||
if (arr1[i] !== arr2[i]) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
function getModificationDate(date = new Date()) {
|
||
const buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), date.getUTCDate().toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
|
||
return buffer.join("");
|
||
}
|
||
let NormalizeRegex = null;
|
||
let NormalizationMap = null;
|
||
function normalizeUnicode(str) {
|
||
if (!NormalizeRegex) {
|
||
NormalizeRegex = /([\u00a0\u00b5\u037e\u0eb3\u2000-\u200a\u202f\u2126\ufb00-\ufb04\ufb06\ufb20-\ufb36\ufb38-\ufb3c\ufb3e\ufb40-\ufb41\ufb43-\ufb44\ufb46-\ufba1\ufba4-\ufba9\ufbae-\ufbb1\ufbd3-\ufbdc\ufbde-\ufbe7\ufbea-\ufbf8\ufbfc-\ufbfd\ufc00-\ufc5d\ufc64-\ufcf1\ufcf5-\ufd3d\ufd88\ufdf4\ufdfa-\ufdfb\ufe71\ufe77\ufe79\ufe7b\ufe7d]+)|(\ufb05+)/gu;
|
||
NormalizationMap = new Map([["ſt", "ſt"]]);
|
||
}
|
||
return str.replaceAll(NormalizeRegex, (_, p1, p2) => p1 ? p1.normalize("NFKC") : NormalizationMap.get(p2));
|
||
}
|
||
function getUuid() {
|
||
if (typeof crypto.randomUUID === "function") {
|
||
return crypto.randomUUID();
|
||
}
|
||
const buf = new Uint8Array(32);
|
||
crypto.getRandomValues(buf);
|
||
return bytesToString(buf);
|
||
}
|
||
const AnnotationPrefix = "pdfjs_internal_id_";
|
||
function toHexUtil(arr) {
|
||
if (Uint8Array.prototype.toHex) {
|
||
return arr.toHex();
|
||
}
|
||
return Array.from(arr, num => hexNumbers[num]).join("");
|
||
}
|
||
function toBase64Util(arr) {
|
||
if (Uint8Array.prototype.toBase64) {
|
||
return arr.toBase64();
|
||
}
|
||
return btoa(bytesToString(arr));
|
||
}
|
||
function fromBase64Util(str) {
|
||
if (Uint8Array.fromBase64) {
|
||
return Uint8Array.fromBase64(str);
|
||
}
|
||
return stringToBytes(atob(str));
|
||
}
|
||
if (typeof Promise.try !== "function") {
|
||
Promise.try = function (fn, ...args) {
|
||
return new Promise(resolve => {
|
||
resolve(fn(...args));
|
||
});
|
||
};
|
||
}
|
||
|
||
;// ./src/display/display_utils.js
|
||
|
||
const SVG_NS = "http://www.w3.org/2000/svg";
|
||
class PixelsPerInch {
|
||
static CSS = 96.0;
|
||
static PDF = 72.0;
|
||
static PDF_TO_CSS_UNITS = this.CSS / this.PDF;
|
||
}
|
||
async function fetchData(url, type = "text") {
|
||
if (isValidFetchUrl(url, document.baseURI)) {
|
||
const response = await fetch(url);
|
||
if (!response.ok) {
|
||
throw new Error(response.statusText);
|
||
}
|
||
switch (type) {
|
||
case "arraybuffer":
|
||
return response.arrayBuffer();
|
||
case "blob":
|
||
return response.blob();
|
||
case "json":
|
||
return response.json();
|
||
}
|
||
return response.text();
|
||
}
|
||
return new Promise((resolve, reject) => {
|
||
const request = new XMLHttpRequest();
|
||
request.open("GET", url, true);
|
||
request.responseType = type;
|
||
request.onreadystatechange = () => {
|
||
if (request.readyState !== XMLHttpRequest.DONE) {
|
||
return;
|
||
}
|
||
if (request.status === 200 || request.status === 0) {
|
||
switch (type) {
|
||
case "arraybuffer":
|
||
case "blob":
|
||
case "json":
|
||
resolve(request.response);
|
||
return;
|
||
}
|
||
resolve(request.responseText);
|
||
return;
|
||
}
|
||
reject(new Error(request.statusText));
|
||
};
|
||
request.send(null);
|
||
});
|
||
}
|
||
class PageViewport {
|
||
constructor({
|
||
viewBox,
|
||
userUnit,
|
||
scale,
|
||
rotation,
|
||
offsetX = 0,
|
||
offsetY = 0,
|
||
dontFlip = false
|
||
}) {
|
||
this.viewBox = viewBox;
|
||
this.userUnit = userUnit;
|
||
this.scale = scale;
|
||
this.rotation = rotation;
|
||
this.offsetX = offsetX;
|
||
this.offsetY = offsetY;
|
||
scale *= userUnit;
|
||
const centerX = (viewBox[2] + viewBox[0]) / 2;
|
||
const centerY = (viewBox[3] + viewBox[1]) / 2;
|
||
let rotateA, rotateB, rotateC, rotateD;
|
||
rotation %= 360;
|
||
if (rotation < 0) {
|
||
rotation += 360;
|
||
}
|
||
switch (rotation) {
|
||
case 180:
|
||
rotateA = -1;
|
||
rotateB = 0;
|
||
rotateC = 0;
|
||
rotateD = 1;
|
||
break;
|
||
case 90:
|
||
rotateA = 0;
|
||
rotateB = 1;
|
||
rotateC = 1;
|
||
rotateD = 0;
|
||
break;
|
||
case 270:
|
||
rotateA = 0;
|
||
rotateB = -1;
|
||
rotateC = -1;
|
||
rotateD = 0;
|
||
break;
|
||
case 0:
|
||
rotateA = 1;
|
||
rotateB = 0;
|
||
rotateC = 0;
|
||
rotateD = -1;
|
||
break;
|
||
default:
|
||
throw new Error("PageViewport: Invalid rotation, must be a multiple of 90 degrees.");
|
||
}
|
||
if (dontFlip) {
|
||
rotateC = -rotateC;
|
||
rotateD = -rotateD;
|
||
}
|
||
let offsetCanvasX, offsetCanvasY;
|
||
let width, height;
|
||
if (rotateA === 0) {
|
||
offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
|
||
offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
|
||
width = (viewBox[3] - viewBox[1]) * scale;
|
||
height = (viewBox[2] - viewBox[0]) * scale;
|
||
} else {
|
||
offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
|
||
offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
|
||
width = (viewBox[2] - viewBox[0]) * scale;
|
||
height = (viewBox[3] - viewBox[1]) * scale;
|
||
}
|
||
this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY];
|
||
this.width = width;
|
||
this.height = height;
|
||
}
|
||
get rawDims() {
|
||
const {
|
||
userUnit,
|
||
viewBox
|
||
} = this;
|
||
const dims = viewBox.map(x => x * userUnit);
|
||
return shadow(this, "rawDims", {
|
||
pageWidth: dims[2] - dims[0],
|
||
pageHeight: dims[3] - dims[1],
|
||
pageX: dims[0],
|
||
pageY: dims[1]
|
||
});
|
||
}
|
||
clone({
|
||
scale = this.scale,
|
||
rotation = this.rotation,
|
||
offsetX = this.offsetX,
|
||
offsetY = this.offsetY,
|
||
dontFlip = false
|
||
} = {}) {
|
||
return new PageViewport({
|
||
viewBox: this.viewBox.slice(),
|
||
userUnit: this.userUnit,
|
||
scale,
|
||
rotation,
|
||
offsetX,
|
||
offsetY,
|
||
dontFlip
|
||
});
|
||
}
|
||
convertToViewportPoint(x, y) {
|
||
return Util.applyTransform([x, y], this.transform);
|
||
}
|
||
convertToViewportRectangle(rect) {
|
||
const topLeft = Util.applyTransform([rect[0], rect[1]], this.transform);
|
||
const bottomRight = Util.applyTransform([rect[2], rect[3]], this.transform);
|
||
return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
|
||
}
|
||
convertToPdfPoint(x, y) {
|
||
return Util.applyInverseTransform([x, y], this.transform);
|
||
}
|
||
}
|
||
class RenderingCancelledException extends BaseException {
|
||
constructor(msg, extraDelay = 0) {
|
||
super(msg, "RenderingCancelledException");
|
||
this.extraDelay = extraDelay;
|
||
}
|
||
}
|
||
function isDataScheme(url) {
|
||
const ii = url.length;
|
||
let i = 0;
|
||
while (i < ii && url[i].trim() === "") {
|
||
i++;
|
||
}
|
||
return url.substring(i, i + 5).toLowerCase() === "data:";
|
||
}
|
||
function isPdfFile(filename) {
|
||
return typeof filename === "string" && /\.pdf$/i.test(filename);
|
||
}
|
||
function getFilenameFromUrl(url) {
|
||
[url] = url.split(/[#?]/, 1);
|
||
return url.substring(url.lastIndexOf("/") + 1);
|
||
}
|
||
function getPdfFilenameFromUrl(url, defaultFilename = "document.pdf") {
|
||
if (typeof url !== "string") {
|
||
return defaultFilename;
|
||
}
|
||
if (isDataScheme(url)) {
|
||
warn('getPdfFilenameFromUrl: ignore "data:"-URL for performance reasons.');
|
||
return defaultFilename;
|
||
}
|
||
const reURI = /^(?:(?:[^:]+:)?\/\/[^/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
|
||
const reFilename = /[^/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
|
||
const splitURI = reURI.exec(url);
|
||
let suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
|
||
if (suggestedFilename) {
|
||
suggestedFilename = suggestedFilename[0];
|
||
if (suggestedFilename.includes("%")) {
|
||
try {
|
||
suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
|
||
} catch {}
|
||
}
|
||
}
|
||
return suggestedFilename || defaultFilename;
|
||
}
|
||
class StatTimer {
|
||
started = Object.create(null);
|
||
times = [];
|
||
time(name) {
|
||
if (name in this.started) {
|
||
warn(`Timer is already running for ${name}`);
|
||
}
|
||
this.started[name] = Date.now();
|
||
}
|
||
timeEnd(name) {
|
||
if (!(name in this.started)) {
|
||
warn(`Timer has not been started for ${name}`);
|
||
}
|
||
this.times.push({
|
||
name,
|
||
start: this.started[name],
|
||
end: Date.now()
|
||
});
|
||
delete this.started[name];
|
||
}
|
||
toString() {
|
||
const outBuf = [];
|
||
let longest = 0;
|
||
for (const {
|
||
name
|
||
} of this.times) {
|
||
longest = Math.max(name.length, longest);
|
||
}
|
||
for (const {
|
||
name,
|
||
start,
|
||
end
|
||
} of this.times) {
|
||
outBuf.push(`${name.padEnd(longest)} ${end - start}ms\n`);
|
||
}
|
||
return outBuf.join("");
|
||
}
|
||
}
|
||
function isValidFetchUrl(url, baseUrl) {
|
||
try {
|
||
const {
|
||
protocol
|
||
} = baseUrl ? new URL(url, baseUrl) : new URL(url);
|
||
return protocol === "http:" || protocol === "https:";
|
||
} catch {
|
||
return false;
|
||
}
|
||
}
|
||
function noContextMenu(e) {
|
||
e.preventDefault();
|
||
}
|
||
function stopEvent(e) {
|
||
e.preventDefault();
|
||
e.stopPropagation();
|
||
}
|
||
function deprecated(details) {
|
||
console.log("Deprecated API usage: " + details);
|
||
}
|
||
class PDFDateString {
|
||
static #regex;
|
||
static toDateObject(input) {
|
||
if (!input || typeof input !== "string") {
|
||
return null;
|
||
}
|
||
this.#regex ||= new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?");
|
||
const matches = this.#regex.exec(input);
|
||
if (!matches) {
|
||
return null;
|
||
}
|
||
const year = parseInt(matches[1], 10);
|
||
let month = parseInt(matches[2], 10);
|
||
month = month >= 1 && month <= 12 ? month - 1 : 0;
|
||
let day = parseInt(matches[3], 10);
|
||
day = day >= 1 && day <= 31 ? day : 1;
|
||
let hour = parseInt(matches[4], 10);
|
||
hour = hour >= 0 && hour <= 23 ? hour : 0;
|
||
let minute = parseInt(matches[5], 10);
|
||
minute = minute >= 0 && minute <= 59 ? minute : 0;
|
||
let second = parseInt(matches[6], 10);
|
||
second = second >= 0 && second <= 59 ? second : 0;
|
||
const universalTimeRelation = matches[7] || "Z";
|
||
let offsetHour = parseInt(matches[8], 10);
|
||
offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;
|
||
let offsetMinute = parseInt(matches[9], 10) || 0;
|
||
offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;
|
||
if (universalTimeRelation === "-") {
|
||
hour += offsetHour;
|
||
minute += offsetMinute;
|
||
} else if (universalTimeRelation === "+") {
|
||
hour -= offsetHour;
|
||
minute -= offsetMinute;
|
||
}
|
||
return new Date(Date.UTC(year, month, day, hour, minute, second));
|
||
}
|
||
}
|
||
function getXfaPageViewport(xfaPage, {
|
||
scale = 1,
|
||
rotation = 0
|
||
}) {
|
||
const {
|
||
width,
|
||
height
|
||
} = xfaPage.attributes.style;
|
||
const viewBox = [0, 0, parseInt(width), parseInt(height)];
|
||
return new PageViewport({
|
||
viewBox,
|
||
userUnit: 1,
|
||
scale,
|
||
rotation
|
||
});
|
||
}
|
||
function getRGB(color) {
|
||
if (color.startsWith("#")) {
|
||
const colorRGB = parseInt(color.slice(1), 16);
|
||
return [(colorRGB & 0xff0000) >> 16, (colorRGB & 0x00ff00) >> 8, colorRGB & 0x0000ff];
|
||
}
|
||
if (color.startsWith("rgb(")) {
|
||
return color.slice(4, -1).split(",").map(x => parseInt(x));
|
||
}
|
||
if (color.startsWith("rgba(")) {
|
||
return color.slice(5, -1).split(",").map(x => parseInt(x)).slice(0, 3);
|
||
}
|
||
warn(`Not a valid color format: "${color}"`);
|
||
return [0, 0, 0];
|
||
}
|
||
function getColorValues(colors) {
|
||
const span = document.createElement("span");
|
||
span.style.visibility = "hidden";
|
||
document.body.append(span);
|
||
for (const name of colors.keys()) {
|
||
span.style.color = name;
|
||
const computedColor = window.getComputedStyle(span).color;
|
||
colors.set(name, getRGB(computedColor));
|
||
}
|
||
span.remove();
|
||
}
|
||
function getCurrentTransform(ctx) {
|
||
const {
|
||
a,
|
||
b,
|
||
c,
|
||
d,
|
||
e,
|
||
f
|
||
} = ctx.getTransform();
|
||
return [a, b, c, d, e, f];
|
||
}
|
||
function getCurrentTransformInverse(ctx) {
|
||
const {
|
||
a,
|
||
b,
|
||
c,
|
||
d,
|
||
e,
|
||
f
|
||
} = ctx.getTransform().invertSelf();
|
||
return [a, b, c, d, e, f];
|
||
}
|
||
function setLayerDimensions(div, viewport, mustFlip = false, mustRotate = true) {
|
||
if (viewport instanceof PageViewport) {
|
||
const {
|
||
pageWidth,
|
||
pageHeight
|
||
} = viewport.rawDims;
|
||
const {
|
||
style
|
||
} = div;
|
||
const useRound = util_FeatureTest.isCSSRoundSupported;
|
||
const w = `var(--scale-factor) * ${pageWidth}px`,
|
||
h = `var(--scale-factor) * ${pageHeight}px`;
|
||
const widthStr = useRound ? `round(down, ${w}, var(--scale-round-x, 1px))` : `calc(${w})`,
|
||
heightStr = useRound ? `round(down, ${h}, var(--scale-round-y, 1px))` : `calc(${h})`;
|
||
if (!mustFlip || viewport.rotation % 180 === 0) {
|
||
style.width = widthStr;
|
||
style.height = heightStr;
|
||
} else {
|
||
style.width = heightStr;
|
||
style.height = widthStr;
|
||
}
|
||
}
|
||
if (mustRotate) {
|
||
div.setAttribute("data-main-rotation", viewport.rotation);
|
||
}
|
||
}
|
||
class OutputScale {
|
||
constructor() {
|
||
const pixelRatio = window.devicePixelRatio || 1;
|
||
this.sx = pixelRatio;
|
||
this.sy = pixelRatio;
|
||
}
|
||
get scaled() {
|
||
return this.sx !== 1 || this.sy !== 1;
|
||
}
|
||
get symmetric() {
|
||
return this.sx === this.sy;
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/toolbar.js
|
||
|
||
class EditorToolbar {
|
||
#toolbar = null;
|
||
#colorPicker = null;
|
||
#editor;
|
||
#buttons = null;
|
||
#altText = null;
|
||
static #l10nRemove = null;
|
||
constructor(editor) {
|
||
this.#editor = editor;
|
||
EditorToolbar.#l10nRemove ||= Object.freeze({
|
||
freetext: "pdfjs-editor-remove-freetext-button",
|
||
highlight: "pdfjs-editor-remove-highlight-button",
|
||
ink: "pdfjs-editor-remove-ink-button",
|
||
stamp: "pdfjs-editor-remove-stamp-button"
|
||
});
|
||
}
|
||
render() {
|
||
const editToolbar = this.#toolbar = document.createElement("div");
|
||
editToolbar.classList.add("editToolbar", "hidden");
|
||
editToolbar.setAttribute("role", "toolbar");
|
||
const signal = this.#editor._uiManager._signal;
|
||
editToolbar.addEventListener("contextmenu", noContextMenu, {
|
||
signal
|
||
});
|
||
editToolbar.addEventListener("pointerdown", EditorToolbar.#pointerDown, {
|
||
signal
|
||
});
|
||
const buttons = this.#buttons = document.createElement("div");
|
||
buttons.className = "buttons";
|
||
editToolbar.append(buttons);
|
||
const position = this.#editor.toolbarPosition;
|
||
if (position) {
|
||
const {
|
||
style
|
||
} = editToolbar;
|
||
const x = this.#editor._uiManager.direction === "ltr" ? 1 - position[0] : position[0];
|
||
style.insetInlineEnd = `${100 * x}%`;
|
||
style.top = `calc(${100 * position[1]}% + var(--editor-toolbar-vert-offset))`;
|
||
}
|
||
this.#addDeleteButton();
|
||
return editToolbar;
|
||
}
|
||
get div() {
|
||
return this.#toolbar;
|
||
}
|
||
static #pointerDown(e) {
|
||
e.stopPropagation();
|
||
}
|
||
#focusIn(e) {
|
||
this.#editor._focusEventsAllowed = false;
|
||
stopEvent(e);
|
||
}
|
||
#focusOut(e) {
|
||
this.#editor._focusEventsAllowed = true;
|
||
stopEvent(e);
|
||
}
|
||
#addListenersToElement(element) {
|
||
const signal = this.#editor._uiManager._signal;
|
||
element.addEventListener("focusin", this.#focusIn.bind(this), {
|
||
capture: true,
|
||
signal
|
||
});
|
||
element.addEventListener("focusout", this.#focusOut.bind(this), {
|
||
capture: true,
|
||
signal
|
||
});
|
||
element.addEventListener("contextmenu", noContextMenu, {
|
||
signal
|
||
});
|
||
}
|
||
hide() {
|
||
this.#toolbar.classList.add("hidden");
|
||
this.#colorPicker?.hideDropdown();
|
||
}
|
||
show() {
|
||
this.#toolbar.classList.remove("hidden");
|
||
this.#altText?.shown();
|
||
}
|
||
#addDeleteButton() {
|
||
const {
|
||
editorType,
|
||
_uiManager
|
||
} = this.#editor;
|
||
const button = document.createElement("button");
|
||
button.className = "delete";
|
||
button.tabIndex = 0;
|
||
button.setAttribute("data-l10n-id", EditorToolbar.#l10nRemove[editorType]);
|
||
this.#addListenersToElement(button);
|
||
button.addEventListener("click", e => {
|
||
_uiManager.delete();
|
||
}, {
|
||
signal: _uiManager._signal
|
||
});
|
||
this.#buttons.append(button);
|
||
}
|
||
get #divider() {
|
||
const divider = document.createElement("div");
|
||
divider.className = "divider";
|
||
return divider;
|
||
}
|
||
async addAltText(altText) {
|
||
const button = await altText.render();
|
||
this.#addListenersToElement(button);
|
||
this.#buttons.prepend(button, this.#divider);
|
||
this.#altText = altText;
|
||
}
|
||
addColorPicker(colorPicker) {
|
||
this.#colorPicker = colorPicker;
|
||
const button = colorPicker.renderButton();
|
||
this.#addListenersToElement(button);
|
||
this.#buttons.prepend(button, this.#divider);
|
||
}
|
||
remove() {
|
||
this.#toolbar.remove();
|
||
this.#colorPicker?.destroy();
|
||
this.#colorPicker = null;
|
||
}
|
||
}
|
||
class HighlightToolbar {
|
||
#buttons = null;
|
||
#toolbar = null;
|
||
#uiManager;
|
||
constructor(uiManager) {
|
||
this.#uiManager = uiManager;
|
||
}
|
||
#render() {
|
||
const editToolbar = this.#toolbar = document.createElement("div");
|
||
editToolbar.className = "editToolbar";
|
||
editToolbar.setAttribute("role", "toolbar");
|
||
editToolbar.addEventListener("contextmenu", noContextMenu, {
|
||
signal: this.#uiManager._signal
|
||
});
|
||
const buttons = this.#buttons = document.createElement("div");
|
||
buttons.className = "buttons";
|
||
editToolbar.append(buttons);
|
||
this.#addHighlightButton();
|
||
return editToolbar;
|
||
}
|
||
#getLastPoint(boxes, isLTR) {
|
||
let lastY = 0;
|
||
let lastX = 0;
|
||
for (const box of boxes) {
|
||
const y = box.y + box.height;
|
||
if (y < lastY) {
|
||
continue;
|
||
}
|
||
const x = box.x + (isLTR ? box.width : 0);
|
||
if (y > lastY) {
|
||
lastX = x;
|
||
lastY = y;
|
||
continue;
|
||
}
|
||
if (isLTR) {
|
||
if (x > lastX) {
|
||
lastX = x;
|
||
}
|
||
} else if (x < lastX) {
|
||
lastX = x;
|
||
}
|
||
}
|
||
return [isLTR ? 1 - lastX : lastX, lastY];
|
||
}
|
||
show(parent, boxes, isLTR) {
|
||
const [x, y] = this.#getLastPoint(boxes, isLTR);
|
||
const {
|
||
style
|
||
} = this.#toolbar ||= this.#render();
|
||
parent.append(this.#toolbar);
|
||
style.insetInlineEnd = `${100 * x}%`;
|
||
style.top = `calc(${100 * y}% + var(--editor-toolbar-vert-offset))`;
|
||
}
|
||
hide() {
|
||
this.#toolbar.remove();
|
||
}
|
||
#addHighlightButton() {
|
||
const button = document.createElement("button");
|
||
button.className = "highlightButton";
|
||
button.tabIndex = 0;
|
||
button.setAttribute("data-l10n-id", `pdfjs-highlight-floating-button1`);
|
||
const span = document.createElement("span");
|
||
button.append(span);
|
||
span.className = "visuallyHidden";
|
||
span.setAttribute("data-l10n-id", "pdfjs-highlight-floating-button-label");
|
||
const signal = this.#uiManager._signal;
|
||
button.addEventListener("contextmenu", noContextMenu, {
|
||
signal
|
||
});
|
||
button.addEventListener("click", () => {
|
||
this.#uiManager.highlightSelection("floating_button");
|
||
}, {
|
||
signal
|
||
});
|
||
this.#buttons.append(button);
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/tools.js
|
||
|
||
|
||
|
||
function bindEvents(obj, element, names) {
|
||
for (const name of names) {
|
||
element.addEventListener(name, obj[name].bind(obj));
|
||
}
|
||
}
|
||
function opacityToHex(opacity) {
|
||
return Math.round(Math.min(255, Math.max(1, 255 * opacity))).toString(16).padStart(2, "0");
|
||
}
|
||
class IdManager {
|
||
#id = 0;
|
||
get id() {
|
||
return `${AnnotationEditorPrefix}${this.#id++}`;
|
||
}
|
||
}
|
||
class ImageManager {
|
||
#baseId = getUuid();
|
||
#id = 0;
|
||
#cache = null;
|
||
static get _isSVGFittingCanvas() {
|
||
const svg = `data:image/svg+xml;charset=UTF-8,<svg viewBox="0 0 1 1" width="1" height="1" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" style="fill:red;"/></svg>`;
|
||
const canvas = new OffscreenCanvas(1, 3);
|
||
const ctx = canvas.getContext("2d", {
|
||
willReadFrequently: true
|
||
});
|
||
const image = new Image();
|
||
image.src = svg;
|
||
const promise = image.decode().then(() => {
|
||
ctx.drawImage(image, 0, 0, 1, 1, 0, 0, 1, 3);
|
||
return new Uint32Array(ctx.getImageData(0, 0, 1, 1).data.buffer)[0] === 0;
|
||
});
|
||
return shadow(this, "_isSVGFittingCanvas", promise);
|
||
}
|
||
async #get(key, rawData) {
|
||
this.#cache ||= new Map();
|
||
let data = this.#cache.get(key);
|
||
if (data === null) {
|
||
return null;
|
||
}
|
||
if (data?.bitmap) {
|
||
data.refCounter += 1;
|
||
return data;
|
||
}
|
||
try {
|
||
data ||= {
|
||
bitmap: null,
|
||
id: `image_${this.#baseId}_${this.#id++}`,
|
||
refCounter: 0,
|
||
isSvg: false
|
||
};
|
||
let image;
|
||
if (typeof rawData === "string") {
|
||
data.url = rawData;
|
||
image = await fetchData(rawData, "blob");
|
||
} else if (rawData instanceof File) {
|
||
image = data.file = rawData;
|
||
} else if (rawData instanceof Blob) {
|
||
image = rawData;
|
||
}
|
||
if (image.type === "image/svg+xml") {
|
||
const mustRemoveAspectRatioPromise = ImageManager._isSVGFittingCanvas;
|
||
const fileReader = new FileReader();
|
||
const imageElement = new Image();
|
||
const imagePromise = new Promise((resolve, reject) => {
|
||
imageElement.onload = () => {
|
||
data.bitmap = imageElement;
|
||
data.isSvg = true;
|
||
resolve();
|
||
};
|
||
fileReader.onload = async () => {
|
||
const url = data.svgUrl = fileReader.result;
|
||
imageElement.src = (await mustRemoveAspectRatioPromise) ? `${url}#svgView(preserveAspectRatio(none))` : url;
|
||
};
|
||
imageElement.onerror = fileReader.onerror = reject;
|
||
});
|
||
fileReader.readAsDataURL(image);
|
||
await imagePromise;
|
||
} else {
|
||
data.bitmap = await createImageBitmap(image);
|
||
}
|
||
data.refCounter = 1;
|
||
} catch (e) {
|
||
warn(e);
|
||
data = null;
|
||
}
|
||
this.#cache.set(key, data);
|
||
if (data) {
|
||
this.#cache.set(data.id, data);
|
||
}
|
||
return data;
|
||
}
|
||
async getFromFile(file) {
|
||
const {
|
||
lastModified,
|
||
name,
|
||
size,
|
||
type
|
||
} = file;
|
||
return this.#get(`${lastModified}_${name}_${size}_${type}`, file);
|
||
}
|
||
async getFromUrl(url) {
|
||
return this.#get(url, url);
|
||
}
|
||
async getFromBlob(id, blobPromise) {
|
||
const blob = await blobPromise;
|
||
return this.#get(id, blob);
|
||
}
|
||
async getFromId(id) {
|
||
this.#cache ||= new Map();
|
||
const data = this.#cache.get(id);
|
||
if (!data) {
|
||
return null;
|
||
}
|
||
if (data.bitmap) {
|
||
data.refCounter += 1;
|
||
return data;
|
||
}
|
||
if (data.file) {
|
||
return this.getFromFile(data.file);
|
||
}
|
||
if (data.blobPromise) {
|
||
const {
|
||
blobPromise
|
||
} = data;
|
||
delete data.blobPromise;
|
||
return this.getFromBlob(data.id, blobPromise);
|
||
}
|
||
return this.getFromUrl(data.url);
|
||
}
|
||
getFromCanvas(id, canvas) {
|
||
this.#cache ||= new Map();
|
||
let data = this.#cache.get(id);
|
||
if (data?.bitmap) {
|
||
data.refCounter += 1;
|
||
return data;
|
||
}
|
||
const offscreen = new OffscreenCanvas(canvas.width, canvas.height);
|
||
const ctx = offscreen.getContext("2d");
|
||
ctx.drawImage(canvas, 0, 0);
|
||
data = {
|
||
bitmap: offscreen.transferToImageBitmap(),
|
||
id: `image_${this.#baseId}_${this.#id++}`,
|
||
refCounter: 1,
|
||
isSvg: false
|
||
};
|
||
this.#cache.set(id, data);
|
||
this.#cache.set(data.id, data);
|
||
return data;
|
||
}
|
||
getSvgUrl(id) {
|
||
const data = this.#cache.get(id);
|
||
if (!data?.isSvg) {
|
||
return null;
|
||
}
|
||
return data.svgUrl;
|
||
}
|
||
deleteId(id) {
|
||
this.#cache ||= new Map();
|
||
const data = this.#cache.get(id);
|
||
if (!data) {
|
||
return;
|
||
}
|
||
data.refCounter -= 1;
|
||
if (data.refCounter !== 0) {
|
||
return;
|
||
}
|
||
const {
|
||
bitmap
|
||
} = data;
|
||
if (!data.url && !data.file) {
|
||
const canvas = new OffscreenCanvas(bitmap.width, bitmap.height);
|
||
const ctx = canvas.getContext("bitmaprenderer");
|
||
ctx.transferFromImageBitmap(bitmap);
|
||
data.blobPromise = canvas.convertToBlob();
|
||
}
|
||
bitmap.close?.();
|
||
data.bitmap = null;
|
||
}
|
||
isValidId(id) {
|
||
return id.startsWith(`image_${this.#baseId}_`);
|
||
}
|
||
}
|
||
class CommandManager {
|
||
#commands = [];
|
||
#locked = false;
|
||
#maxSize;
|
||
#position = -1;
|
||
constructor(maxSize = 128) {
|
||
this.#maxSize = maxSize;
|
||
}
|
||
add({
|
||
cmd,
|
||
undo,
|
||
post,
|
||
mustExec,
|
||
type = NaN,
|
||
overwriteIfSameType = false,
|
||
keepUndo = false
|
||
}) {
|
||
if (mustExec) {
|
||
cmd();
|
||
}
|
||
if (this.#locked) {
|
||
return;
|
||
}
|
||
const save = {
|
||
cmd,
|
||
undo,
|
||
post,
|
||
type
|
||
};
|
||
if (this.#position === -1) {
|
||
if (this.#commands.length > 0) {
|
||
this.#commands.length = 0;
|
||
}
|
||
this.#position = 0;
|
||
this.#commands.push(save);
|
||
return;
|
||
}
|
||
if (overwriteIfSameType && this.#commands[this.#position].type === type) {
|
||
if (keepUndo) {
|
||
save.undo = this.#commands[this.#position].undo;
|
||
}
|
||
this.#commands[this.#position] = save;
|
||
return;
|
||
}
|
||
const next = this.#position + 1;
|
||
if (next === this.#maxSize) {
|
||
this.#commands.splice(0, 1);
|
||
} else {
|
||
this.#position = next;
|
||
if (next < this.#commands.length) {
|
||
this.#commands.splice(next);
|
||
}
|
||
}
|
||
this.#commands.push(save);
|
||
}
|
||
undo() {
|
||
if (this.#position === -1) {
|
||
return;
|
||
}
|
||
this.#locked = true;
|
||
const {
|
||
undo,
|
||
post
|
||
} = this.#commands[this.#position];
|
||
undo();
|
||
post?.();
|
||
this.#locked = false;
|
||
this.#position -= 1;
|
||
}
|
||
redo() {
|
||
if (this.#position < this.#commands.length - 1) {
|
||
this.#position += 1;
|
||
this.#locked = true;
|
||
const {
|
||
cmd,
|
||
post
|
||
} = this.#commands[this.#position];
|
||
cmd();
|
||
post?.();
|
||
this.#locked = false;
|
||
}
|
||
}
|
||
hasSomethingToUndo() {
|
||
return this.#position !== -1;
|
||
}
|
||
hasSomethingToRedo() {
|
||
return this.#position < this.#commands.length - 1;
|
||
}
|
||
cleanType(type) {
|
||
if (this.#position === -1) {
|
||
return;
|
||
}
|
||
for (let i = this.#position; i >= 0; i--) {
|
||
if (this.#commands[i].type !== type) {
|
||
this.#commands.splice(i + 1, this.#position - i);
|
||
this.#position = i;
|
||
return;
|
||
}
|
||
}
|
||
this.#commands.length = 0;
|
||
this.#position = -1;
|
||
}
|
||
destroy() {
|
||
this.#commands = null;
|
||
}
|
||
}
|
||
class KeyboardManager {
|
||
constructor(callbacks) {
|
||
this.buffer = [];
|
||
this.callbacks = new Map();
|
||
this.allKeys = new Set();
|
||
const {
|
||
isMac
|
||
} = util_FeatureTest.platform;
|
||
for (const [keys, callback, options = {}] of callbacks) {
|
||
for (const key of keys) {
|
||
const isMacKey = key.startsWith("mac+");
|
||
if (isMac && isMacKey) {
|
||
this.callbacks.set(key.slice(4), {
|
||
callback,
|
||
options
|
||
});
|
||
this.allKeys.add(key.split("+").at(-1));
|
||
} else if (!isMac && !isMacKey) {
|
||
this.callbacks.set(key, {
|
||
callback,
|
||
options
|
||
});
|
||
this.allKeys.add(key.split("+").at(-1));
|
||
}
|
||
}
|
||
}
|
||
}
|
||
#serialize(event) {
|
||
if (event.altKey) {
|
||
this.buffer.push("alt");
|
||
}
|
||
if (event.ctrlKey) {
|
||
this.buffer.push("ctrl");
|
||
}
|
||
if (event.metaKey) {
|
||
this.buffer.push("meta");
|
||
}
|
||
if (event.shiftKey) {
|
||
this.buffer.push("shift");
|
||
}
|
||
this.buffer.push(event.key);
|
||
const str = this.buffer.join("+");
|
||
this.buffer.length = 0;
|
||
return str;
|
||
}
|
||
exec(self, event) {
|
||
if (!this.allKeys.has(event.key)) {
|
||
return;
|
||
}
|
||
const info = this.callbacks.get(this.#serialize(event));
|
||
if (!info) {
|
||
return;
|
||
}
|
||
const {
|
||
callback,
|
||
options: {
|
||
bubbles = false,
|
||
args = [],
|
||
checker = null
|
||
}
|
||
} = info;
|
||
if (checker && !checker(self, event)) {
|
||
return;
|
||
}
|
||
callback.bind(self, ...args, event)();
|
||
if (!bubbles) {
|
||
stopEvent(event);
|
||
}
|
||
}
|
||
}
|
||
class ColorManager {
|
||
static _colorsMapping = new Map([["CanvasText", [0, 0, 0]], ["Canvas", [255, 255, 255]]]);
|
||
get _colors() {
|
||
const colors = new Map([["CanvasText", null], ["Canvas", null]]);
|
||
getColorValues(colors);
|
||
return shadow(this, "_colors", colors);
|
||
}
|
||
convert(color) {
|
||
const rgb = getRGB(color);
|
||
if (!window.matchMedia("(forced-colors: active)").matches) {
|
||
return rgb;
|
||
}
|
||
for (const [name, RGB] of this._colors) {
|
||
if (RGB.every((x, i) => x === rgb[i])) {
|
||
return ColorManager._colorsMapping.get(name);
|
||
}
|
||
}
|
||
return rgb;
|
||
}
|
||
getHexCode(name) {
|
||
const rgb = this._colors.get(name);
|
||
if (!rgb) {
|
||
return name;
|
||
}
|
||
return Util.makeHexColor(...rgb);
|
||
}
|
||
}
|
||
class AnnotationEditorUIManager {
|
||
#abortController = new AbortController();
|
||
#activeEditor = null;
|
||
#allEditors = new Map();
|
||
#allLayers = new Map();
|
||
#altTextManager = null;
|
||
#annotationStorage = null;
|
||
#changedExistingAnnotations = null;
|
||
#commandManager = new CommandManager();
|
||
#copyPasteAC = null;
|
||
#currentDrawingSession = null;
|
||
#currentPageIndex = 0;
|
||
#deletedAnnotationsElementIds = new Set();
|
||
#draggingEditors = null;
|
||
#editorTypes = null;
|
||
#editorsToRescale = new Set();
|
||
_editorUndoBar = null;
|
||
#enableHighlightFloatingButton = false;
|
||
#enableUpdatedAddImage = false;
|
||
#enableNewAltTextWhenAddingImage = false;
|
||
#filterFactory = null;
|
||
#focusMainContainerTimeoutId = null;
|
||
#focusManagerAC = null;
|
||
#highlightColors = null;
|
||
#highlightWhenShiftUp = false;
|
||
#highlightToolbar = null;
|
||
#idManager = new IdManager();
|
||
#isEnabled = false;
|
||
#isWaiting = false;
|
||
#keyboardManagerAC = null;
|
||
#lastActiveElement = null;
|
||
#mainHighlightColorPicker = null;
|
||
#mlManager = null;
|
||
#mode = AnnotationEditorType.NONE;
|
||
#selectedEditors = new Set();
|
||
#selectedTextNode = null;
|
||
#pageColors = null;
|
||
#showAllStates = null;
|
||
#previousStates = {
|
||
isEditing: false,
|
||
isEmpty: true,
|
||
hasSomethingToUndo: false,
|
||
hasSomethingToRedo: false,
|
||
hasSelectedEditor: false,
|
||
hasSelectedText: false
|
||
};
|
||
#translation = [0, 0];
|
||
#translationTimeoutId = null;
|
||
#container = null;
|
||
#viewer = null;
|
||
#updateModeCapability = null;
|
||
static TRANSLATE_SMALL = 1;
|
||
static TRANSLATE_BIG = 10;
|
||
static get _keyboardManager() {
|
||
const proto = AnnotationEditorUIManager.prototype;
|
||
const arrowChecker = self => self.#container.contains(document.activeElement) && document.activeElement.tagName !== "BUTTON" && self.hasSomethingToControl();
|
||
const textInputChecker = (_self, {
|
||
target: el
|
||
}) => {
|
||
if (el instanceof HTMLInputElement) {
|
||
const {
|
||
type
|
||
} = el;
|
||
return type !== "text" && type !== "number";
|
||
}
|
||
return true;
|
||
};
|
||
const small = this.TRANSLATE_SMALL;
|
||
const big = this.TRANSLATE_BIG;
|
||
return shadow(this, "_keyboardManager", new KeyboardManager([[["ctrl+a", "mac+meta+a"], proto.selectAll, {
|
||
checker: textInputChecker
|
||
}], [["ctrl+z", "mac+meta+z"], proto.undo, {
|
||
checker: textInputChecker
|
||
}], [["ctrl+y", "ctrl+shift+z", "mac+meta+shift+z", "ctrl+shift+Z", "mac+meta+shift+Z"], proto.redo, {
|
||
checker: textInputChecker
|
||
}], [["Backspace", "alt+Backspace", "ctrl+Backspace", "shift+Backspace", "mac+Backspace", "mac+alt+Backspace", "mac+ctrl+Backspace", "Delete", "ctrl+Delete", "shift+Delete", "mac+Delete"], proto.delete, {
|
||
checker: textInputChecker
|
||
}], [["Enter", "mac+Enter"], proto.addNewEditorFromKeyboard, {
|
||
checker: (self, {
|
||
target: el
|
||
}) => !(el instanceof HTMLButtonElement) && self.#container.contains(el) && !self.isEnterHandled
|
||
}], [[" ", "mac+ "], proto.addNewEditorFromKeyboard, {
|
||
checker: (self, {
|
||
target: el
|
||
}) => !(el instanceof HTMLButtonElement) && self.#container.contains(document.activeElement)
|
||
}], [["Escape", "mac+Escape"], proto.unselectAll], [["ArrowLeft", "mac+ArrowLeft"], proto.translateSelectedEditors, {
|
||
args: [-small, 0],
|
||
checker: arrowChecker
|
||
}], [["ctrl+ArrowLeft", "mac+shift+ArrowLeft"], proto.translateSelectedEditors, {
|
||
args: [-big, 0],
|
||
checker: arrowChecker
|
||
}], [["ArrowRight", "mac+ArrowRight"], proto.translateSelectedEditors, {
|
||
args: [small, 0],
|
||
checker: arrowChecker
|
||
}], [["ctrl+ArrowRight", "mac+shift+ArrowRight"], proto.translateSelectedEditors, {
|
||
args: [big, 0],
|
||
checker: arrowChecker
|
||
}], [["ArrowUp", "mac+ArrowUp"], proto.translateSelectedEditors, {
|
||
args: [0, -small],
|
||
checker: arrowChecker
|
||
}], [["ctrl+ArrowUp", "mac+shift+ArrowUp"], proto.translateSelectedEditors, {
|
||
args: [0, -big],
|
||
checker: arrowChecker
|
||
}], [["ArrowDown", "mac+ArrowDown"], proto.translateSelectedEditors, {
|
||
args: [0, small],
|
||
checker: arrowChecker
|
||
}], [["ctrl+ArrowDown", "mac+shift+ArrowDown"], proto.translateSelectedEditors, {
|
||
args: [0, big],
|
||
checker: arrowChecker
|
||
}]]));
|
||
}
|
||
constructor(container, viewer, altTextManager, eventBus, pdfDocument, pageColors, highlightColors, enableHighlightFloatingButton, enableUpdatedAddImage, enableNewAltTextWhenAddingImage, mlManager, editorUndoBar, supportsPinchToZoom) {
|
||
const signal = this._signal = this.#abortController.signal;
|
||
this.#container = container;
|
||
this.#viewer = viewer;
|
||
this.#altTextManager = altTextManager;
|
||
this._eventBus = eventBus;
|
||
eventBus._on("editingaction", this.onEditingAction.bind(this), {
|
||
signal
|
||
});
|
||
eventBus._on("pagechanging", this.onPageChanging.bind(this), {
|
||
signal
|
||
});
|
||
eventBus._on("scalechanging", this.onScaleChanging.bind(this), {
|
||
signal
|
||
});
|
||
eventBus._on("rotationchanging", this.onRotationChanging.bind(this), {
|
||
signal
|
||
});
|
||
eventBus._on("setpreference", this.onSetPreference.bind(this), {
|
||
signal
|
||
});
|
||
eventBus._on("switchannotationeditorparams", evt => this.updateParams(evt.type, evt.value), {
|
||
signal
|
||
});
|
||
this.#addSelectionListener();
|
||
this.#addDragAndDropListeners();
|
||
this.#addKeyboardManager();
|
||
this.#annotationStorage = pdfDocument.annotationStorage;
|
||
this.#filterFactory = pdfDocument.filterFactory;
|
||
this.#pageColors = pageColors;
|
||
this.#highlightColors = highlightColors || null;
|
||
this.#enableHighlightFloatingButton = enableHighlightFloatingButton;
|
||
this.#enableUpdatedAddImage = enableUpdatedAddImage;
|
||
this.#enableNewAltTextWhenAddingImage = enableNewAltTextWhenAddingImage;
|
||
this.#mlManager = mlManager || null;
|
||
this.viewParameters = {
|
||
realScale: PixelsPerInch.PDF_TO_CSS_UNITS,
|
||
rotation: 0
|
||
};
|
||
this.isShiftKeyDown = false;
|
||
this._editorUndoBar = editorUndoBar || null;
|
||
this._supportsPinchToZoom = supportsPinchToZoom !== false;
|
||
}
|
||
destroy() {
|
||
this.#updateModeCapability?.resolve();
|
||
this.#updateModeCapability = null;
|
||
this.#abortController?.abort();
|
||
this.#abortController = null;
|
||
this._signal = null;
|
||
for (const layer of this.#allLayers.values()) {
|
||
layer.destroy();
|
||
}
|
||
this.#allLayers.clear();
|
||
this.#allEditors.clear();
|
||
this.#editorsToRescale.clear();
|
||
this.#activeEditor = null;
|
||
this.#selectedEditors.clear();
|
||
this.#commandManager.destroy();
|
||
this.#altTextManager?.destroy();
|
||
this.#highlightToolbar?.hide();
|
||
this.#highlightToolbar = null;
|
||
if (this.#focusMainContainerTimeoutId) {
|
||
clearTimeout(this.#focusMainContainerTimeoutId);
|
||
this.#focusMainContainerTimeoutId = null;
|
||
}
|
||
if (this.#translationTimeoutId) {
|
||
clearTimeout(this.#translationTimeoutId);
|
||
this.#translationTimeoutId = null;
|
||
}
|
||
this._editorUndoBar?.destroy();
|
||
}
|
||
combinedSignal(ac) {
|
||
return AbortSignal.any([this._signal, ac.signal]);
|
||
}
|
||
get mlManager() {
|
||
return this.#mlManager;
|
||
}
|
||
get useNewAltTextFlow() {
|
||
return this.#enableUpdatedAddImage;
|
||
}
|
||
get useNewAltTextWhenAddingImage() {
|
||
return this.#enableNewAltTextWhenAddingImage;
|
||
}
|
||
get hcmFilter() {
|
||
return shadow(this, "hcmFilter", this.#pageColors ? this.#filterFactory.addHCMFilter(this.#pageColors.foreground, this.#pageColors.background) : "none");
|
||
}
|
||
get direction() {
|
||
return shadow(this, "direction", getComputedStyle(this.#container).direction);
|
||
}
|
||
get highlightColors() {
|
||
return shadow(this, "highlightColors", this.#highlightColors ? new Map(this.#highlightColors.split(",").map(pair => pair.split("=").map(x => x.trim()))) : null);
|
||
}
|
||
get highlightColorNames() {
|
||
return shadow(this, "highlightColorNames", this.highlightColors ? new Map(Array.from(this.highlightColors, e => e.reverse())) : null);
|
||
}
|
||
setCurrentDrawingSession(layer) {
|
||
if (layer) {
|
||
this.unselectAll();
|
||
this.disableUserSelect(true);
|
||
} else {
|
||
this.disableUserSelect(false);
|
||
}
|
||
this.#currentDrawingSession = layer;
|
||
}
|
||
setMainHighlightColorPicker(colorPicker) {
|
||
this.#mainHighlightColorPicker = colorPicker;
|
||
}
|
||
editAltText(editor, firstTime = false) {
|
||
this.#altTextManager?.editAltText(this, editor, firstTime);
|
||
}
|
||
switchToMode(mode, callback) {
|
||
this._eventBus.on("annotationeditormodechanged", callback, {
|
||
once: true,
|
||
signal: this._signal
|
||
});
|
||
this._eventBus.dispatch("showannotationeditorui", {
|
||
source: this,
|
||
mode
|
||
});
|
||
}
|
||
setPreference(name, value) {
|
||
this._eventBus.dispatch("setpreference", {
|
||
source: this,
|
||
name,
|
||
value
|
||
});
|
||
}
|
||
onSetPreference({
|
||
name,
|
||
value
|
||
}) {
|
||
switch (name) {
|
||
case "enableNewAltTextWhenAddingImage":
|
||
this.#enableNewAltTextWhenAddingImage = value;
|
||
break;
|
||
}
|
||
}
|
||
onPageChanging({
|
||
pageNumber
|
||
}) {
|
||
this.#currentPageIndex = pageNumber - 1;
|
||
}
|
||
focusMainContainer() {
|
||
this.#container.focus();
|
||
}
|
||
findParent(x, y) {
|
||
for (const layer of this.#allLayers.values()) {
|
||
const {
|
||
x: layerX,
|
||
y: layerY,
|
||
width,
|
||
height
|
||
} = layer.div.getBoundingClientRect();
|
||
if (x >= layerX && x <= layerX + width && y >= layerY && y <= layerY + height) {
|
||
return layer;
|
||
}
|
||
}
|
||
return null;
|
||
}
|
||
disableUserSelect(value = false) {
|
||
this.#viewer.classList.toggle("noUserSelect", value);
|
||
}
|
||
addShouldRescale(editor) {
|
||
this.#editorsToRescale.add(editor);
|
||
}
|
||
removeShouldRescale(editor) {
|
||
this.#editorsToRescale.delete(editor);
|
||
}
|
||
onScaleChanging({
|
||
scale
|
||
}) {
|
||
this.commitOrRemove();
|
||
this.viewParameters.realScale = scale * PixelsPerInch.PDF_TO_CSS_UNITS;
|
||
for (const editor of this.#editorsToRescale) {
|
||
editor.onScaleChanging();
|
||
}
|
||
this.#currentDrawingSession?.onScaleChanging();
|
||
}
|
||
onRotationChanging({
|
||
pagesRotation
|
||
}) {
|
||
this.commitOrRemove();
|
||
this.viewParameters.rotation = pagesRotation;
|
||
}
|
||
#getAnchorElementForSelection({
|
||
anchorNode
|
||
}) {
|
||
return anchorNode.nodeType === Node.TEXT_NODE ? anchorNode.parentElement : anchorNode;
|
||
}
|
||
#getLayerForTextLayer(textLayer) {
|
||
const {
|
||
currentLayer
|
||
} = this;
|
||
if (currentLayer.hasTextLayer(textLayer)) {
|
||
return currentLayer;
|
||
}
|
||
for (const layer of this.#allLayers.values()) {
|
||
if (layer.hasTextLayer(textLayer)) {
|
||
return layer;
|
||
}
|
||
}
|
||
return null;
|
||
}
|
||
highlightSelection(methodOfCreation = "") {
|
||
const selection = document.getSelection();
|
||
if (!selection || selection.isCollapsed) {
|
||
return;
|
||
}
|
||
const {
|
||
anchorNode,
|
||
anchorOffset,
|
||
focusNode,
|
||
focusOffset
|
||
} = selection;
|
||
const text = selection.toString();
|
||
const anchorElement = this.#getAnchorElementForSelection(selection);
|
||
const textLayer = anchorElement.closest(".textLayer");
|
||
const boxes = this.getSelectionBoxes(textLayer);
|
||
if (!boxes) {
|
||
return;
|
||
}
|
||
selection.empty();
|
||
const layer = this.#getLayerForTextLayer(textLayer);
|
||
const isNoneMode = this.#mode === AnnotationEditorType.NONE;
|
||
const callback = () => {
|
||
layer?.createAndAddNewEditor({
|
||
x: 0,
|
||
y: 0
|
||
}, false, {
|
||
methodOfCreation,
|
||
boxes,
|
||
anchorNode,
|
||
anchorOffset,
|
||
focusNode,
|
||
focusOffset,
|
||
text
|
||
});
|
||
if (isNoneMode) {
|
||
this.showAllEditors("highlight", true, true);
|
||
}
|
||
};
|
||
if (isNoneMode) {
|
||
this.switchToMode(AnnotationEditorType.HIGHLIGHT, callback);
|
||
return;
|
||
}
|
||
callback();
|
||
}
|
||
#displayHighlightToolbar() {
|
||
const selection = document.getSelection();
|
||
if (!selection || selection.isCollapsed) {
|
||
return;
|
||
}
|
||
const anchorElement = this.#getAnchorElementForSelection(selection);
|
||
const textLayer = anchorElement.closest(".textLayer");
|
||
const boxes = this.getSelectionBoxes(textLayer);
|
||
if (!boxes) {
|
||
return;
|
||
}
|
||
this.#highlightToolbar ||= new HighlightToolbar(this);
|
||
this.#highlightToolbar.show(textLayer, boxes, this.direction === "ltr");
|
||
}
|
||
addToAnnotationStorage(editor) {
|
||
if (!editor.isEmpty() && this.#annotationStorage && !this.#annotationStorage.has(editor.id)) {
|
||
this.#annotationStorage.setValue(editor.id, editor);
|
||
}
|
||
}
|
||
#selectionChange() {
|
||
const selection = document.getSelection();
|
||
if (!selection || selection.isCollapsed) {
|
||
if (this.#selectedTextNode) {
|
||
this.#highlightToolbar?.hide();
|
||
this.#selectedTextNode = null;
|
||
this.#dispatchUpdateStates({
|
||
hasSelectedText: false
|
||
});
|
||
}
|
||
return;
|
||
}
|
||
const {
|
||
anchorNode
|
||
} = selection;
|
||
if (anchorNode === this.#selectedTextNode) {
|
||
return;
|
||
}
|
||
const anchorElement = this.#getAnchorElementForSelection(selection);
|
||
const textLayer = anchorElement.closest(".textLayer");
|
||
if (!textLayer) {
|
||
if (this.#selectedTextNode) {
|
||
this.#highlightToolbar?.hide();
|
||
this.#selectedTextNode = null;
|
||
this.#dispatchUpdateStates({
|
||
hasSelectedText: false
|
||
});
|
||
}
|
||
return;
|
||
}
|
||
this.#highlightToolbar?.hide();
|
||
this.#selectedTextNode = anchorNode;
|
||
this.#dispatchUpdateStates({
|
||
hasSelectedText: true
|
||
});
|
||
if (this.#mode !== AnnotationEditorType.HIGHLIGHT && this.#mode !== AnnotationEditorType.NONE) {
|
||
return;
|
||
}
|
||
if (this.#mode === AnnotationEditorType.HIGHLIGHT) {
|
||
this.showAllEditors("highlight", true, true);
|
||
}
|
||
this.#highlightWhenShiftUp = this.isShiftKeyDown;
|
||
if (!this.isShiftKeyDown) {
|
||
const activeLayer = this.#mode === AnnotationEditorType.HIGHLIGHT ? this.#getLayerForTextLayer(textLayer) : null;
|
||
activeLayer?.toggleDrawing();
|
||
const ac = new AbortController();
|
||
const signal = this.combinedSignal(ac);
|
||
const pointerup = e => {
|
||
if (e.type === "pointerup" && e.button !== 0) {
|
||
return;
|
||
}
|
||
ac.abort();
|
||
activeLayer?.toggleDrawing(true);
|
||
if (e.type === "pointerup") {
|
||
this.#onSelectEnd("main_toolbar");
|
||
}
|
||
};
|
||
window.addEventListener("pointerup", pointerup, {
|
||
signal
|
||
});
|
||
window.addEventListener("blur", pointerup, {
|
||
signal
|
||
});
|
||
}
|
||
}
|
||
#onSelectEnd(methodOfCreation = "") {
|
||
if (this.#mode === AnnotationEditorType.HIGHLIGHT) {
|
||
this.highlightSelection(methodOfCreation);
|
||
} else if (this.#enableHighlightFloatingButton) {
|
||
this.#displayHighlightToolbar();
|
||
}
|
||
}
|
||
#addSelectionListener() {
|
||
document.addEventListener("selectionchange", this.#selectionChange.bind(this), {
|
||
signal: this._signal
|
||
});
|
||
}
|
||
#addFocusManager() {
|
||
if (this.#focusManagerAC) {
|
||
return;
|
||
}
|
||
this.#focusManagerAC = new AbortController();
|
||
const signal = this.combinedSignal(this.#focusManagerAC);
|
||
window.addEventListener("focus", this.focus.bind(this), {
|
||
signal
|
||
});
|
||
window.addEventListener("blur", this.blur.bind(this), {
|
||
signal
|
||
});
|
||
}
|
||
#removeFocusManager() {
|
||
this.#focusManagerAC?.abort();
|
||
this.#focusManagerAC = null;
|
||
}
|
||
blur() {
|
||
this.isShiftKeyDown = false;
|
||
if (this.#highlightWhenShiftUp) {
|
||
this.#highlightWhenShiftUp = false;
|
||
this.#onSelectEnd("main_toolbar");
|
||
}
|
||
if (!this.hasSelection) {
|
||
return;
|
||
}
|
||
const {
|
||
activeElement
|
||
} = document;
|
||
for (const editor of this.#selectedEditors) {
|
||
if (editor.div.contains(activeElement)) {
|
||
this.#lastActiveElement = [editor, activeElement];
|
||
editor._focusEventsAllowed = false;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
focus() {
|
||
if (!this.#lastActiveElement) {
|
||
return;
|
||
}
|
||
const [lastEditor, lastActiveElement] = this.#lastActiveElement;
|
||
this.#lastActiveElement = null;
|
||
lastActiveElement.addEventListener("focusin", () => {
|
||
lastEditor._focusEventsAllowed = true;
|
||
}, {
|
||
once: true,
|
||
signal: this._signal
|
||
});
|
||
lastActiveElement.focus();
|
||
}
|
||
#addKeyboardManager() {
|
||
if (this.#keyboardManagerAC) {
|
||
return;
|
||
}
|
||
this.#keyboardManagerAC = new AbortController();
|
||
const signal = this.combinedSignal(this.#keyboardManagerAC);
|
||
window.addEventListener("keydown", this.keydown.bind(this), {
|
||
signal
|
||
});
|
||
window.addEventListener("keyup", this.keyup.bind(this), {
|
||
signal
|
||
});
|
||
}
|
||
#removeKeyboardManager() {
|
||
this.#keyboardManagerAC?.abort();
|
||
this.#keyboardManagerAC = null;
|
||
}
|
||
#addCopyPasteListeners() {
|
||
if (this.#copyPasteAC) {
|
||
return;
|
||
}
|
||
this.#copyPasteAC = new AbortController();
|
||
const signal = this.combinedSignal(this.#copyPasteAC);
|
||
document.addEventListener("copy", this.copy.bind(this), {
|
||
signal
|
||
});
|
||
document.addEventListener("cut", this.cut.bind(this), {
|
||
signal
|
||
});
|
||
document.addEventListener("paste", this.paste.bind(this), {
|
||
signal
|
||
});
|
||
}
|
||
#removeCopyPasteListeners() {
|
||
this.#copyPasteAC?.abort();
|
||
this.#copyPasteAC = null;
|
||
}
|
||
#addDragAndDropListeners() {
|
||
const signal = this._signal;
|
||
document.addEventListener("dragover", this.dragOver.bind(this), {
|
||
signal
|
||
});
|
||
document.addEventListener("drop", this.drop.bind(this), {
|
||
signal
|
||
});
|
||
}
|
||
addEditListeners() {
|
||
this.#addKeyboardManager();
|
||
this.#addCopyPasteListeners();
|
||
}
|
||
removeEditListeners() {
|
||
this.#removeKeyboardManager();
|
||
this.#removeCopyPasteListeners();
|
||
}
|
||
dragOver(event) {
|
||
for (const {
|
||
type
|
||
} of event.dataTransfer.items) {
|
||
for (const editorType of this.#editorTypes) {
|
||
if (editorType.isHandlingMimeForPasting(type)) {
|
||
event.dataTransfer.dropEffect = "copy";
|
||
event.preventDefault();
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
drop(event) {
|
||
for (const item of event.dataTransfer.items) {
|
||
for (const editorType of this.#editorTypes) {
|
||
if (editorType.isHandlingMimeForPasting(item.type)) {
|
||
editorType.paste(item, this.currentLayer);
|
||
event.preventDefault();
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
copy(event) {
|
||
event.preventDefault();
|
||
this.#activeEditor?.commitOrRemove();
|
||
if (!this.hasSelection) {
|
||
return;
|
||
}
|
||
const editors = [];
|
||
for (const editor of this.#selectedEditors) {
|
||
const serialized = editor.serialize(true);
|
||
if (serialized) {
|
||
editors.push(serialized);
|
||
}
|
||
}
|
||
if (editors.length === 0) {
|
||
return;
|
||
}
|
||
event.clipboardData.setData("application/pdfjs", JSON.stringify(editors));
|
||
}
|
||
cut(event) {
|
||
this.copy(event);
|
||
this.delete();
|
||
}
|
||
async paste(event) {
|
||
event.preventDefault();
|
||
const {
|
||
clipboardData
|
||
} = event;
|
||
for (const item of clipboardData.items) {
|
||
for (const editorType of this.#editorTypes) {
|
||
if (editorType.isHandlingMimeForPasting(item.type)) {
|
||
editorType.paste(item, this.currentLayer);
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
let data = clipboardData.getData("application/pdfjs");
|
||
if (!data) {
|
||
return;
|
||
}
|
||
try {
|
||
data = JSON.parse(data);
|
||
} catch (ex) {
|
||
warn(`paste: "${ex.message}".`);
|
||
return;
|
||
}
|
||
if (!Array.isArray(data)) {
|
||
return;
|
||
}
|
||
this.unselectAll();
|
||
const layer = this.currentLayer;
|
||
try {
|
||
const newEditors = [];
|
||
for (const editor of data) {
|
||
const deserializedEditor = await layer.deserialize(editor);
|
||
if (!deserializedEditor) {
|
||
return;
|
||
}
|
||
newEditors.push(deserializedEditor);
|
||
}
|
||
const cmd = () => {
|
||
for (const editor of newEditors) {
|
||
this.#addEditorToLayer(editor);
|
||
}
|
||
this.#selectEditors(newEditors);
|
||
};
|
||
const undo = () => {
|
||
for (const editor of newEditors) {
|
||
editor.remove();
|
||
}
|
||
};
|
||
this.addCommands({
|
||
cmd,
|
||
undo,
|
||
mustExec: true
|
||
});
|
||
} catch (ex) {
|
||
warn(`paste: "${ex.message}".`);
|
||
}
|
||
}
|
||
keydown(event) {
|
||
if (!this.isShiftKeyDown && event.key === "Shift") {
|
||
this.isShiftKeyDown = true;
|
||
}
|
||
if (this.#mode !== AnnotationEditorType.NONE && !this.isEditorHandlingKeyboard) {
|
||
AnnotationEditorUIManager._keyboardManager.exec(this, event);
|
||
}
|
||
}
|
||
keyup(event) {
|
||
if (this.isShiftKeyDown && event.key === "Shift") {
|
||
this.isShiftKeyDown = false;
|
||
if (this.#highlightWhenShiftUp) {
|
||
this.#highlightWhenShiftUp = false;
|
||
this.#onSelectEnd("main_toolbar");
|
||
}
|
||
}
|
||
}
|
||
onEditingAction({
|
||
name
|
||
}) {
|
||
switch (name) {
|
||
case "undo":
|
||
case "redo":
|
||
case "delete":
|
||
case "selectAll":
|
||
this[name]();
|
||
break;
|
||
case "highlightSelection":
|
||
this.highlightSelection("context_menu");
|
||
break;
|
||
}
|
||
}
|
||
#dispatchUpdateStates(details) {
|
||
const hasChanged = Object.entries(details).some(([key, value]) => this.#previousStates[key] !== value);
|
||
if (hasChanged) {
|
||
this._eventBus.dispatch("annotationeditorstateschanged", {
|
||
source: this,
|
||
details: Object.assign(this.#previousStates, details)
|
||
});
|
||
if (this.#mode === AnnotationEditorType.HIGHLIGHT && details.hasSelectedEditor === false) {
|
||
this.#dispatchUpdateUI([[AnnotationEditorParamsType.HIGHLIGHT_FREE, true]]);
|
||
}
|
||
}
|
||
}
|
||
#dispatchUpdateUI(details) {
|
||
this._eventBus.dispatch("annotationeditorparamschanged", {
|
||
source: this,
|
||
details
|
||
});
|
||
}
|
||
setEditingState(isEditing) {
|
||
if (isEditing) {
|
||
this.#addFocusManager();
|
||
this.#addCopyPasteListeners();
|
||
this.#dispatchUpdateStates({
|
||
isEditing: this.#mode !== AnnotationEditorType.NONE,
|
||
isEmpty: this.#isEmpty(),
|
||
hasSomethingToUndo: this.#commandManager.hasSomethingToUndo(),
|
||
hasSomethingToRedo: this.#commandManager.hasSomethingToRedo(),
|
||
hasSelectedEditor: false
|
||
});
|
||
} else {
|
||
this.#removeFocusManager();
|
||
this.#removeCopyPasteListeners();
|
||
this.#dispatchUpdateStates({
|
||
isEditing: false
|
||
});
|
||
this.disableUserSelect(false);
|
||
}
|
||
}
|
||
registerEditorTypes(types) {
|
||
if (this.#editorTypes) {
|
||
return;
|
||
}
|
||
this.#editorTypes = types;
|
||
for (const editorType of this.#editorTypes) {
|
||
this.#dispatchUpdateUI(editorType.defaultPropertiesToUpdate);
|
||
}
|
||
}
|
||
getId() {
|
||
return this.#idManager.id;
|
||
}
|
||
get currentLayer() {
|
||
return this.#allLayers.get(this.#currentPageIndex);
|
||
}
|
||
getLayer(pageIndex) {
|
||
return this.#allLayers.get(pageIndex);
|
||
}
|
||
get currentPageIndex() {
|
||
return this.#currentPageIndex;
|
||
}
|
||
addLayer(layer) {
|
||
this.#allLayers.set(layer.pageIndex, layer);
|
||
if (this.#isEnabled) {
|
||
layer.enable();
|
||
} else {
|
||
layer.disable();
|
||
}
|
||
}
|
||
removeLayer(layer) {
|
||
this.#allLayers.delete(layer.pageIndex);
|
||
}
|
||
async updateMode(mode, editId = null, isFromKeyboard = false) {
|
||
if (this.#mode === mode) {
|
||
return;
|
||
}
|
||
if (this.#updateModeCapability) {
|
||
await this.#updateModeCapability.promise;
|
||
if (!this.#updateModeCapability) {
|
||
return;
|
||
}
|
||
}
|
||
this.#updateModeCapability = Promise.withResolvers();
|
||
this.#mode = mode;
|
||
if (mode === AnnotationEditorType.NONE) {
|
||
this.setEditingState(false);
|
||
this.#disableAll();
|
||
this._editorUndoBar?.hide();
|
||
this.#updateModeCapability.resolve();
|
||
return;
|
||
}
|
||
this.setEditingState(true);
|
||
await this.#enableAll();
|
||
this.unselectAll();
|
||
for (const layer of this.#allLayers.values()) {
|
||
layer.updateMode(mode);
|
||
}
|
||
if (!editId) {
|
||
if (isFromKeyboard) {
|
||
this.addNewEditorFromKeyboard();
|
||
}
|
||
this.#updateModeCapability.resolve();
|
||
return;
|
||
}
|
||
for (const editor of this.#allEditors.values()) {
|
||
if (editor.annotationElementId === editId) {
|
||
this.setSelected(editor);
|
||
editor.enterInEditMode();
|
||
} else {
|
||
editor.unselect();
|
||
}
|
||
}
|
||
this.#updateModeCapability.resolve();
|
||
}
|
||
addNewEditorFromKeyboard() {
|
||
if (this.currentLayer.canCreateNewEmptyEditor()) {
|
||
this.currentLayer.addNewEditor();
|
||
}
|
||
}
|
||
updateToolbar(mode) {
|
||
if (mode === this.#mode) {
|
||
return;
|
||
}
|
||
this._eventBus.dispatch("switchannotationeditormode", {
|
||
source: this,
|
||
mode
|
||
});
|
||
}
|
||
updateParams(type, value) {
|
||
if (!this.#editorTypes) {
|
||
return;
|
||
}
|
||
switch (type) {
|
||
case AnnotationEditorParamsType.CREATE:
|
||
this.currentLayer.addNewEditor();
|
||
return;
|
||
case AnnotationEditorParamsType.HIGHLIGHT_DEFAULT_COLOR:
|
||
this.#mainHighlightColorPicker?.updateColor(value);
|
||
break;
|
||
case AnnotationEditorParamsType.HIGHLIGHT_SHOW_ALL:
|
||
this._eventBus.dispatch("reporttelemetry", {
|
||
source: this,
|
||
details: {
|
||
type: "editing",
|
||
data: {
|
||
type: "highlight",
|
||
action: "toggle_visibility"
|
||
}
|
||
}
|
||
});
|
||
(this.#showAllStates ||= new Map()).set(type, value);
|
||
this.showAllEditors("highlight", value);
|
||
break;
|
||
}
|
||
for (const editor of this.#selectedEditors) {
|
||
editor.updateParams(type, value);
|
||
}
|
||
for (const editorType of this.#editorTypes) {
|
||
editorType.updateDefaultParams(type, value);
|
||
}
|
||
}
|
||
showAllEditors(type, visible, updateButton = false) {
|
||
for (const editor of this.#allEditors.values()) {
|
||
if (editor.editorType === type) {
|
||
editor.show(visible);
|
||
}
|
||
}
|
||
const state = this.#showAllStates?.get(AnnotationEditorParamsType.HIGHLIGHT_SHOW_ALL) ?? true;
|
||
if (state !== visible) {
|
||
this.#dispatchUpdateUI([[AnnotationEditorParamsType.HIGHLIGHT_SHOW_ALL, visible]]);
|
||
}
|
||
}
|
||
enableWaiting(mustWait = false) {
|
||
if (this.#isWaiting === mustWait) {
|
||
return;
|
||
}
|
||
this.#isWaiting = mustWait;
|
||
for (const layer of this.#allLayers.values()) {
|
||
if (mustWait) {
|
||
layer.disableClick();
|
||
} else {
|
||
layer.enableClick();
|
||
}
|
||
layer.div.classList.toggle("waiting", mustWait);
|
||
}
|
||
}
|
||
async #enableAll() {
|
||
if (!this.#isEnabled) {
|
||
this.#isEnabled = true;
|
||
const promises = [];
|
||
for (const layer of this.#allLayers.values()) {
|
||
promises.push(layer.enable());
|
||
}
|
||
await Promise.all(promises);
|
||
for (const editor of this.#allEditors.values()) {
|
||
editor.enable();
|
||
}
|
||
}
|
||
}
|
||
#disableAll() {
|
||
this.unselectAll();
|
||
if (this.#isEnabled) {
|
||
this.#isEnabled = false;
|
||
for (const layer of this.#allLayers.values()) {
|
||
layer.disable();
|
||
}
|
||
for (const editor of this.#allEditors.values()) {
|
||
editor.disable();
|
||
}
|
||
}
|
||
}
|
||
getEditors(pageIndex) {
|
||
const editors = [];
|
||
for (const editor of this.#allEditors.values()) {
|
||
if (editor.pageIndex === pageIndex) {
|
||
editors.push(editor);
|
||
}
|
||
}
|
||
return editors;
|
||
}
|
||
getEditor(id) {
|
||
return this.#allEditors.get(id);
|
||
}
|
||
addEditor(editor) {
|
||
this.#allEditors.set(editor.id, editor);
|
||
}
|
||
removeEditor(editor) {
|
||
if (editor.div.contains(document.activeElement)) {
|
||
if (this.#focusMainContainerTimeoutId) {
|
||
clearTimeout(this.#focusMainContainerTimeoutId);
|
||
}
|
||
this.#focusMainContainerTimeoutId = setTimeout(() => {
|
||
this.focusMainContainer();
|
||
this.#focusMainContainerTimeoutId = null;
|
||
}, 0);
|
||
}
|
||
this.#allEditors.delete(editor.id);
|
||
this.unselect(editor);
|
||
if (!editor.annotationElementId || !this.#deletedAnnotationsElementIds.has(editor.annotationElementId)) {
|
||
this.#annotationStorage?.remove(editor.id);
|
||
}
|
||
}
|
||
addDeletedAnnotationElement(editor) {
|
||
this.#deletedAnnotationsElementIds.add(editor.annotationElementId);
|
||
this.addChangedExistingAnnotation(editor);
|
||
editor.deleted = true;
|
||
}
|
||
isDeletedAnnotationElement(annotationElementId) {
|
||
return this.#deletedAnnotationsElementIds.has(annotationElementId);
|
||
}
|
||
removeDeletedAnnotationElement(editor) {
|
||
this.#deletedAnnotationsElementIds.delete(editor.annotationElementId);
|
||
this.removeChangedExistingAnnotation(editor);
|
||
editor.deleted = false;
|
||
}
|
||
#addEditorToLayer(editor) {
|
||
const layer = this.#allLayers.get(editor.pageIndex);
|
||
if (layer) {
|
||
layer.addOrRebuild(editor);
|
||
} else {
|
||
this.addEditor(editor);
|
||
this.addToAnnotationStorage(editor);
|
||
}
|
||
}
|
||
setActiveEditor(editor) {
|
||
if (this.#activeEditor === editor) {
|
||
return;
|
||
}
|
||
this.#activeEditor = editor;
|
||
if (editor) {
|
||
this.#dispatchUpdateUI(editor.propertiesToUpdate);
|
||
}
|
||
}
|
||
get #lastSelectedEditor() {
|
||
let ed = null;
|
||
for (ed of this.#selectedEditors) {}
|
||
return ed;
|
||
}
|
||
updateUI(editor) {
|
||
if (this.#lastSelectedEditor === editor) {
|
||
this.#dispatchUpdateUI(editor.propertiesToUpdate);
|
||
}
|
||
}
|
||
updateUIForDefaultProperties(editorType) {
|
||
this.#dispatchUpdateUI(editorType.defaultPropertiesToUpdate);
|
||
}
|
||
toggleSelected(editor) {
|
||
if (this.#selectedEditors.has(editor)) {
|
||
this.#selectedEditors.delete(editor);
|
||
editor.unselect();
|
||
this.#dispatchUpdateStates({
|
||
hasSelectedEditor: this.hasSelection
|
||
});
|
||
return;
|
||
}
|
||
this.#selectedEditors.add(editor);
|
||
editor.select();
|
||
this.#dispatchUpdateUI(editor.propertiesToUpdate);
|
||
this.#dispatchUpdateStates({
|
||
hasSelectedEditor: true
|
||
});
|
||
}
|
||
setSelected(editor) {
|
||
this.#currentDrawingSession?.commitOrRemove();
|
||
for (const ed of this.#selectedEditors) {
|
||
if (ed !== editor) {
|
||
ed.unselect();
|
||
}
|
||
}
|
||
this.#selectedEditors.clear();
|
||
this.#selectedEditors.add(editor);
|
||
editor.select();
|
||
this.#dispatchUpdateUI(editor.propertiesToUpdate);
|
||
this.#dispatchUpdateStates({
|
||
hasSelectedEditor: true
|
||
});
|
||
}
|
||
isSelected(editor) {
|
||
return this.#selectedEditors.has(editor);
|
||
}
|
||
get firstSelectedEditor() {
|
||
return this.#selectedEditors.values().next().value;
|
||
}
|
||
unselect(editor) {
|
||
editor.unselect();
|
||
this.#selectedEditors.delete(editor);
|
||
this.#dispatchUpdateStates({
|
||
hasSelectedEditor: this.hasSelection
|
||
});
|
||
}
|
||
get hasSelection() {
|
||
return this.#selectedEditors.size !== 0;
|
||
}
|
||
get isEnterHandled() {
|
||
return this.#selectedEditors.size === 1 && this.firstSelectedEditor.isEnterHandled;
|
||
}
|
||
undo() {
|
||
this.#commandManager.undo();
|
||
this.#dispatchUpdateStates({
|
||
hasSomethingToUndo: this.#commandManager.hasSomethingToUndo(),
|
||
hasSomethingToRedo: true,
|
||
isEmpty: this.#isEmpty()
|
||
});
|
||
this._editorUndoBar?.hide();
|
||
}
|
||
redo() {
|
||
this.#commandManager.redo();
|
||
this.#dispatchUpdateStates({
|
||
hasSomethingToUndo: true,
|
||
hasSomethingToRedo: this.#commandManager.hasSomethingToRedo(),
|
||
isEmpty: this.#isEmpty()
|
||
});
|
||
}
|
||
addCommands(params) {
|
||
this.#commandManager.add(params);
|
||
this.#dispatchUpdateStates({
|
||
hasSomethingToUndo: true,
|
||
hasSomethingToRedo: false,
|
||
isEmpty: this.#isEmpty()
|
||
});
|
||
}
|
||
cleanUndoStack(type) {
|
||
this.#commandManager.cleanType(type);
|
||
}
|
||
#isEmpty() {
|
||
if (this.#allEditors.size === 0) {
|
||
return true;
|
||
}
|
||
if (this.#allEditors.size === 1) {
|
||
for (const editor of this.#allEditors.values()) {
|
||
return editor.isEmpty();
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
delete() {
|
||
this.commitOrRemove();
|
||
const drawingEditor = this.currentLayer?.endDrawingSession(true);
|
||
if (!this.hasSelection && !drawingEditor) {
|
||
return;
|
||
}
|
||
const editors = drawingEditor ? [drawingEditor] : [...this.#selectedEditors];
|
||
const cmd = () => {
|
||
this._editorUndoBar?.show(undo, editors.length === 1 ? editors[0].editorType : editors.length);
|
||
for (const editor of editors) {
|
||
editor.remove();
|
||
}
|
||
};
|
||
const undo = () => {
|
||
for (const editor of editors) {
|
||
this.#addEditorToLayer(editor);
|
||
}
|
||
};
|
||
this.addCommands({
|
||
cmd,
|
||
undo,
|
||
mustExec: true
|
||
});
|
||
}
|
||
commitOrRemove() {
|
||
this.#activeEditor?.commitOrRemove();
|
||
}
|
||
hasSomethingToControl() {
|
||
return this.#activeEditor || this.hasSelection;
|
||
}
|
||
#selectEditors(editors) {
|
||
for (const editor of this.#selectedEditors) {
|
||
editor.unselect();
|
||
}
|
||
this.#selectedEditors.clear();
|
||
for (const editor of editors) {
|
||
if (editor.isEmpty()) {
|
||
continue;
|
||
}
|
||
this.#selectedEditors.add(editor);
|
||
editor.select();
|
||
}
|
||
this.#dispatchUpdateStates({
|
||
hasSelectedEditor: this.hasSelection
|
||
});
|
||
}
|
||
selectAll() {
|
||
for (const editor of this.#selectedEditors) {
|
||
editor.commit();
|
||
}
|
||
this.#selectEditors(this.#allEditors.values());
|
||
}
|
||
unselectAll() {
|
||
if (this.#activeEditor) {
|
||
this.#activeEditor.commitOrRemove();
|
||
if (this.#mode !== AnnotationEditorType.NONE) {
|
||
return;
|
||
}
|
||
}
|
||
if (this.#currentDrawingSession?.commitOrRemove()) {
|
||
return;
|
||
}
|
||
if (!this.hasSelection) {
|
||
return;
|
||
}
|
||
for (const editor of this.#selectedEditors) {
|
||
editor.unselect();
|
||
}
|
||
this.#selectedEditors.clear();
|
||
this.#dispatchUpdateStates({
|
||
hasSelectedEditor: false
|
||
});
|
||
}
|
||
translateSelectedEditors(x, y, noCommit = false) {
|
||
if (!noCommit) {
|
||
this.commitOrRemove();
|
||
}
|
||
if (!this.hasSelection) {
|
||
return;
|
||
}
|
||
this.#translation[0] += x;
|
||
this.#translation[1] += y;
|
||
const [totalX, totalY] = this.#translation;
|
||
const editors = [...this.#selectedEditors];
|
||
const TIME_TO_WAIT = 1000;
|
||
if (this.#translationTimeoutId) {
|
||
clearTimeout(this.#translationTimeoutId);
|
||
}
|
||
this.#translationTimeoutId = setTimeout(() => {
|
||
this.#translationTimeoutId = null;
|
||
this.#translation[0] = this.#translation[1] = 0;
|
||
this.addCommands({
|
||
cmd: () => {
|
||
for (const editor of editors) {
|
||
if (this.#allEditors.has(editor.id)) {
|
||
editor.translateInPage(totalX, totalY);
|
||
}
|
||
}
|
||
},
|
||
undo: () => {
|
||
for (const editor of editors) {
|
||
if (this.#allEditors.has(editor.id)) {
|
||
editor.translateInPage(-totalX, -totalY);
|
||
}
|
||
}
|
||
},
|
||
mustExec: false
|
||
});
|
||
}, TIME_TO_WAIT);
|
||
for (const editor of editors) {
|
||
editor.translateInPage(x, y);
|
||
}
|
||
}
|
||
setUpDragSession() {
|
||
if (!this.hasSelection) {
|
||
return;
|
||
}
|
||
this.disableUserSelect(true);
|
||
this.#draggingEditors = new Map();
|
||
for (const editor of this.#selectedEditors) {
|
||
this.#draggingEditors.set(editor, {
|
||
savedX: editor.x,
|
||
savedY: editor.y,
|
||
savedPageIndex: editor.pageIndex,
|
||
newX: 0,
|
||
newY: 0,
|
||
newPageIndex: -1
|
||
});
|
||
}
|
||
}
|
||
endDragSession() {
|
||
if (!this.#draggingEditors) {
|
||
return false;
|
||
}
|
||
this.disableUserSelect(false);
|
||
const map = this.#draggingEditors;
|
||
this.#draggingEditors = null;
|
||
let mustBeAddedInUndoStack = false;
|
||
for (const [{
|
||
x,
|
||
y,
|
||
pageIndex
|
||
}, value] of map) {
|
||
value.newX = x;
|
||
value.newY = y;
|
||
value.newPageIndex = pageIndex;
|
||
mustBeAddedInUndoStack ||= x !== value.savedX || y !== value.savedY || pageIndex !== value.savedPageIndex;
|
||
}
|
||
if (!mustBeAddedInUndoStack) {
|
||
return false;
|
||
}
|
||
const move = (editor, x, y, pageIndex) => {
|
||
if (this.#allEditors.has(editor.id)) {
|
||
const parent = this.#allLayers.get(pageIndex);
|
||
if (parent) {
|
||
editor._setParentAndPosition(parent, x, y);
|
||
} else {
|
||
editor.pageIndex = pageIndex;
|
||
editor.x = x;
|
||
editor.y = y;
|
||
}
|
||
}
|
||
};
|
||
this.addCommands({
|
||
cmd: () => {
|
||
for (const [editor, {
|
||
newX,
|
||
newY,
|
||
newPageIndex
|
||
}] of map) {
|
||
move(editor, newX, newY, newPageIndex);
|
||
}
|
||
},
|
||
undo: () => {
|
||
for (const [editor, {
|
||
savedX,
|
||
savedY,
|
||
savedPageIndex
|
||
}] of map) {
|
||
move(editor, savedX, savedY, savedPageIndex);
|
||
}
|
||
},
|
||
mustExec: true
|
||
});
|
||
return true;
|
||
}
|
||
dragSelectedEditors(tx, ty) {
|
||
if (!this.#draggingEditors) {
|
||
return;
|
||
}
|
||
for (const editor of this.#draggingEditors.keys()) {
|
||
editor.drag(tx, ty);
|
||
}
|
||
}
|
||
rebuild(editor) {
|
||
if (editor.parent === null) {
|
||
const parent = this.getLayer(editor.pageIndex);
|
||
if (parent) {
|
||
parent.changeParent(editor);
|
||
parent.addOrRebuild(editor);
|
||
} else {
|
||
this.addEditor(editor);
|
||
this.addToAnnotationStorage(editor);
|
||
editor.rebuild();
|
||
}
|
||
} else {
|
||
editor.parent.addOrRebuild(editor);
|
||
}
|
||
}
|
||
get isEditorHandlingKeyboard() {
|
||
return this.getActive()?.shouldGetKeyboardEvents() || this.#selectedEditors.size === 1 && this.firstSelectedEditor.shouldGetKeyboardEvents();
|
||
}
|
||
isActive(editor) {
|
||
return this.#activeEditor === editor;
|
||
}
|
||
getActive() {
|
||
return this.#activeEditor;
|
||
}
|
||
getMode() {
|
||
return this.#mode;
|
||
}
|
||
get imageManager() {
|
||
return shadow(this, "imageManager", new ImageManager());
|
||
}
|
||
getSelectionBoxes(textLayer) {
|
||
if (!textLayer) {
|
||
return null;
|
||
}
|
||
const selection = document.getSelection();
|
||
for (let i = 0, ii = selection.rangeCount; i < ii; i++) {
|
||
if (!textLayer.contains(selection.getRangeAt(i).commonAncestorContainer)) {
|
||
return null;
|
||
}
|
||
}
|
||
const {
|
||
x: layerX,
|
||
y: layerY,
|
||
width: parentWidth,
|
||
height: parentHeight
|
||
} = textLayer.getBoundingClientRect();
|
||
let rotator;
|
||
switch (textLayer.getAttribute("data-main-rotation")) {
|
||
case "90":
|
||
rotator = (x, y, w, h) => ({
|
||
x: (y - layerY) / parentHeight,
|
||
y: 1 - (x + w - layerX) / parentWidth,
|
||
width: h / parentHeight,
|
||
height: w / parentWidth
|
||
});
|
||
break;
|
||
case "180":
|
||
rotator = (x, y, w, h) => ({
|
||
x: 1 - (x + w - layerX) / parentWidth,
|
||
y: 1 - (y + h - layerY) / parentHeight,
|
||
width: w / parentWidth,
|
||
height: h / parentHeight
|
||
});
|
||
break;
|
||
case "270":
|
||
rotator = (x, y, w, h) => ({
|
||
x: 1 - (y + h - layerY) / parentHeight,
|
||
y: (x - layerX) / parentWidth,
|
||
width: h / parentHeight,
|
||
height: w / parentWidth
|
||
});
|
||
break;
|
||
default:
|
||
rotator = (x, y, w, h) => ({
|
||
x: (x - layerX) / parentWidth,
|
||
y: (y - layerY) / parentHeight,
|
||
width: w / parentWidth,
|
||
height: h / parentHeight
|
||
});
|
||
break;
|
||
}
|
||
const boxes = [];
|
||
for (let i = 0, ii = selection.rangeCount; i < ii; i++) {
|
||
const range = selection.getRangeAt(i);
|
||
if (range.collapsed) {
|
||
continue;
|
||
}
|
||
for (const {
|
||
x,
|
||
y,
|
||
width,
|
||
height
|
||
} of range.getClientRects()) {
|
||
if (width === 0 || height === 0) {
|
||
continue;
|
||
}
|
||
boxes.push(rotator(x, y, width, height));
|
||
}
|
||
}
|
||
return boxes.length === 0 ? null : boxes;
|
||
}
|
||
addChangedExistingAnnotation({
|
||
annotationElementId,
|
||
id
|
||
}) {
|
||
(this.#changedExistingAnnotations ||= new Map()).set(annotationElementId, id);
|
||
}
|
||
removeChangedExistingAnnotation({
|
||
annotationElementId
|
||
}) {
|
||
this.#changedExistingAnnotations?.delete(annotationElementId);
|
||
}
|
||
renderAnnotationElement(annotation) {
|
||
const editorId = this.#changedExistingAnnotations?.get(annotation.data.id);
|
||
if (!editorId) {
|
||
return;
|
||
}
|
||
const editor = this.#annotationStorage.getRawValue(editorId);
|
||
if (!editor) {
|
||
return;
|
||
}
|
||
if (this.#mode === AnnotationEditorType.NONE && !editor.hasBeenModified) {
|
||
return;
|
||
}
|
||
editor.renderAnnotationElement(annotation);
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/alt_text.js
|
||
|
||
class AltText {
|
||
#altText = null;
|
||
#altTextDecorative = false;
|
||
#altTextButton = null;
|
||
#altTextButtonLabel = null;
|
||
#altTextTooltip = null;
|
||
#altTextTooltipTimeout = null;
|
||
#altTextWasFromKeyBoard = false;
|
||
#badge = null;
|
||
#editor = null;
|
||
#guessedText = null;
|
||
#textWithDisclaimer = null;
|
||
#useNewAltTextFlow = false;
|
||
static #l10nNewButton = null;
|
||
static _l10n = null;
|
||
constructor(editor) {
|
||
this.#editor = editor;
|
||
this.#useNewAltTextFlow = editor._uiManager.useNewAltTextFlow;
|
||
AltText.#l10nNewButton ||= Object.freeze({
|
||
added: "pdfjs-editor-new-alt-text-added-button",
|
||
"added-label": "pdfjs-editor-new-alt-text-added-button-label",
|
||
missing: "pdfjs-editor-new-alt-text-missing-button",
|
||
"missing-label": "pdfjs-editor-new-alt-text-missing-button-label",
|
||
review: "pdfjs-editor-new-alt-text-to-review-button",
|
||
"review-label": "pdfjs-editor-new-alt-text-to-review-button-label"
|
||
});
|
||
}
|
||
static initialize(l10n) {
|
||
AltText._l10n ??= l10n;
|
||
}
|
||
async render() {
|
||
const altText = this.#altTextButton = document.createElement("button");
|
||
altText.className = "altText";
|
||
altText.tabIndex = "0";
|
||
const label = this.#altTextButtonLabel = document.createElement("span");
|
||
altText.append(label);
|
||
if (this.#useNewAltTextFlow) {
|
||
altText.classList.add("new");
|
||
altText.setAttribute("data-l10n-id", AltText.#l10nNewButton.missing);
|
||
label.setAttribute("data-l10n-id", AltText.#l10nNewButton["missing-label"]);
|
||
} else {
|
||
altText.setAttribute("data-l10n-id", "pdfjs-editor-alt-text-button");
|
||
label.setAttribute("data-l10n-id", "pdfjs-editor-alt-text-button-label");
|
||
}
|
||
const signal = this.#editor._uiManager._signal;
|
||
altText.addEventListener("contextmenu", noContextMenu, {
|
||
signal
|
||
});
|
||
altText.addEventListener("pointerdown", event => event.stopPropagation(), {
|
||
signal
|
||
});
|
||
const onClick = event => {
|
||
event.preventDefault();
|
||
this.#editor._uiManager.editAltText(this.#editor);
|
||
if (this.#useNewAltTextFlow) {
|
||
this.#editor._reportTelemetry({
|
||
action: "pdfjs.image.alt_text.image_status_label_clicked",
|
||
data: {
|
||
label: this.#label
|
||
}
|
||
});
|
||
}
|
||
};
|
||
altText.addEventListener("click", onClick, {
|
||
capture: true,
|
||
signal
|
||
});
|
||
altText.addEventListener("keydown", event => {
|
||
if (event.target === altText && event.key === "Enter") {
|
||
this.#altTextWasFromKeyBoard = true;
|
||
onClick(event);
|
||
}
|
||
}, {
|
||
signal
|
||
});
|
||
await this.#setState();
|
||
return altText;
|
||
}
|
||
get #label() {
|
||
return this.#altText && "added" || this.#altText === null && this.guessedText && "review" || "missing";
|
||
}
|
||
finish() {
|
||
if (!this.#altTextButton) {
|
||
return;
|
||
}
|
||
this.#altTextButton.focus({
|
||
focusVisible: this.#altTextWasFromKeyBoard
|
||
});
|
||
this.#altTextWasFromKeyBoard = false;
|
||
}
|
||
isEmpty() {
|
||
if (this.#useNewAltTextFlow) {
|
||
return this.#altText === null;
|
||
}
|
||
return !this.#altText && !this.#altTextDecorative;
|
||
}
|
||
hasData() {
|
||
if (this.#useNewAltTextFlow) {
|
||
return this.#altText !== null || !!this.#guessedText;
|
||
}
|
||
return this.isEmpty();
|
||
}
|
||
get guessedText() {
|
||
return this.#guessedText;
|
||
}
|
||
async setGuessedText(guessedText) {
|
||
if (this.#altText !== null) {
|
||
return;
|
||
}
|
||
this.#guessedText = guessedText;
|
||
this.#textWithDisclaimer = await AltText._l10n.get("pdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer", {
|
||
generatedAltText: guessedText
|
||
});
|
||
this.#setState();
|
||
}
|
||
toggleAltTextBadge(visibility = false) {
|
||
if (!this.#useNewAltTextFlow || this.#altText) {
|
||
this.#badge?.remove();
|
||
this.#badge = null;
|
||
return;
|
||
}
|
||
if (!this.#badge) {
|
||
const badge = this.#badge = document.createElement("div");
|
||
badge.className = "noAltTextBadge";
|
||
this.#editor.div.append(badge);
|
||
}
|
||
this.#badge.classList.toggle("hidden", !visibility);
|
||
}
|
||
serialize(isForCopying) {
|
||
let altText = this.#altText;
|
||
if (!isForCopying && this.#guessedText === altText) {
|
||
altText = this.#textWithDisclaimer;
|
||
}
|
||
return {
|
||
altText,
|
||
decorative: this.#altTextDecorative,
|
||
guessedText: this.#guessedText,
|
||
textWithDisclaimer: this.#textWithDisclaimer
|
||
};
|
||
}
|
||
get data() {
|
||
return {
|
||
altText: this.#altText,
|
||
decorative: this.#altTextDecorative
|
||
};
|
||
}
|
||
set data({
|
||
altText,
|
||
decorative,
|
||
guessedText,
|
||
textWithDisclaimer,
|
||
cancel = false
|
||
}) {
|
||
if (guessedText) {
|
||
this.#guessedText = guessedText;
|
||
this.#textWithDisclaimer = textWithDisclaimer;
|
||
}
|
||
if (this.#altText === altText && this.#altTextDecorative === decorative) {
|
||
return;
|
||
}
|
||
if (!cancel) {
|
||
this.#altText = altText;
|
||
this.#altTextDecorative = decorative;
|
||
}
|
||
this.#setState();
|
||
}
|
||
toggle(enabled = false) {
|
||
if (!this.#altTextButton) {
|
||
return;
|
||
}
|
||
if (!enabled && this.#altTextTooltipTimeout) {
|
||
clearTimeout(this.#altTextTooltipTimeout);
|
||
this.#altTextTooltipTimeout = null;
|
||
}
|
||
this.#altTextButton.disabled = !enabled;
|
||
}
|
||
shown() {
|
||
this.#editor._reportTelemetry({
|
||
action: "pdfjs.image.alt_text.image_status_label_displayed",
|
||
data: {
|
||
label: this.#label
|
||
}
|
||
});
|
||
}
|
||
destroy() {
|
||
this.#altTextButton?.remove();
|
||
this.#altTextButton = null;
|
||
this.#altTextButtonLabel = null;
|
||
this.#altTextTooltip = null;
|
||
this.#badge?.remove();
|
||
this.#badge = null;
|
||
}
|
||
async #setState() {
|
||
const button = this.#altTextButton;
|
||
if (!button) {
|
||
return;
|
||
}
|
||
if (this.#useNewAltTextFlow) {
|
||
button.classList.toggle("done", !!this.#altText);
|
||
button.setAttribute("data-l10n-id", AltText.#l10nNewButton[this.#label]);
|
||
this.#altTextButtonLabel?.setAttribute("data-l10n-id", AltText.#l10nNewButton[`${this.#label}-label`]);
|
||
if (!this.#altText) {
|
||
this.#altTextTooltip?.remove();
|
||
return;
|
||
}
|
||
} else {
|
||
if (!this.#altText && !this.#altTextDecorative) {
|
||
button.classList.remove("done");
|
||
this.#altTextTooltip?.remove();
|
||
return;
|
||
}
|
||
button.classList.add("done");
|
||
button.setAttribute("data-l10n-id", "pdfjs-editor-alt-text-edit-button");
|
||
}
|
||
let tooltip = this.#altTextTooltip;
|
||
if (!tooltip) {
|
||
this.#altTextTooltip = tooltip = document.createElement("span");
|
||
tooltip.className = "tooltip";
|
||
tooltip.setAttribute("role", "tooltip");
|
||
tooltip.id = `alt-text-tooltip-${this.#editor.id}`;
|
||
const DELAY_TO_SHOW_TOOLTIP = 100;
|
||
const signal = this.#editor._uiManager._signal;
|
||
signal.addEventListener("abort", () => {
|
||
clearTimeout(this.#altTextTooltipTimeout);
|
||
this.#altTextTooltipTimeout = null;
|
||
}, {
|
||
once: true
|
||
});
|
||
button.addEventListener("mouseenter", () => {
|
||
this.#altTextTooltipTimeout = setTimeout(() => {
|
||
this.#altTextTooltipTimeout = null;
|
||
this.#altTextTooltip.classList.add("show");
|
||
this.#editor._reportTelemetry({
|
||
action: "alt_text_tooltip"
|
||
});
|
||
}, DELAY_TO_SHOW_TOOLTIP);
|
||
}, {
|
||
signal
|
||
});
|
||
button.addEventListener("mouseleave", () => {
|
||
if (this.#altTextTooltipTimeout) {
|
||
clearTimeout(this.#altTextTooltipTimeout);
|
||
this.#altTextTooltipTimeout = null;
|
||
}
|
||
this.#altTextTooltip?.classList.remove("show");
|
||
}, {
|
||
signal
|
||
});
|
||
}
|
||
if (this.#altTextDecorative) {
|
||
tooltip.setAttribute("data-l10n-id", "pdfjs-editor-alt-text-decorative-tooltip");
|
||
} else {
|
||
tooltip.removeAttribute("data-l10n-id");
|
||
tooltip.textContent = this.#altText;
|
||
}
|
||
if (!tooltip.parentNode) {
|
||
button.append(tooltip);
|
||
}
|
||
const element = this.#editor.getImageForAltText();
|
||
element?.setAttribute("aria-describedby", tooltip.id);
|
||
}
|
||
}
|
||
|
||
;// ./src/display/touch_manager.js
|
||
|
||
|
||
class TouchManager {
|
||
#container;
|
||
#isPinching = false;
|
||
#isPinchingStopped = null;
|
||
#isPinchingDisabled;
|
||
#onPinchStart;
|
||
#onPinching;
|
||
#onPinchEnd;
|
||
#signal;
|
||
#touchInfo = null;
|
||
#touchManagerAC;
|
||
#touchMoveAC = null;
|
||
constructor({
|
||
container,
|
||
isPinchingDisabled = null,
|
||
isPinchingStopped = null,
|
||
onPinchStart = null,
|
||
onPinching = null,
|
||
onPinchEnd = null,
|
||
signal
|
||
}) {
|
||
this.#container = container;
|
||
this.#isPinchingStopped = isPinchingStopped;
|
||
this.#isPinchingDisabled = isPinchingDisabled;
|
||
this.#onPinchStart = onPinchStart;
|
||
this.#onPinching = onPinching;
|
||
this.#onPinchEnd = onPinchEnd;
|
||
this.#touchManagerAC = new AbortController();
|
||
this.#signal = AbortSignal.any([signal, this.#touchManagerAC.signal]);
|
||
container.addEventListener("touchstart", this.#onTouchStart.bind(this), {
|
||
passive: false,
|
||
signal: this.#signal
|
||
});
|
||
}
|
||
get MIN_TOUCH_DISTANCE_TO_PINCH() {
|
||
return shadow(this, "MIN_TOUCH_DISTANCE_TO_PINCH", 35 / (window.devicePixelRatio || 1));
|
||
}
|
||
#onTouchStart(evt) {
|
||
if (this.#isPinchingDisabled?.() || evt.touches.length < 2) {
|
||
return;
|
||
}
|
||
if (!this.#touchMoveAC) {
|
||
this.#touchMoveAC = new AbortController();
|
||
const signal = AbortSignal.any([this.#signal, this.#touchMoveAC.signal]);
|
||
const container = this.#container;
|
||
const opt = {
|
||
signal,
|
||
passive: false
|
||
};
|
||
container.addEventListener("touchmove", this.#onTouchMove.bind(this), opt);
|
||
container.addEventListener("touchend", this.#onTouchEnd.bind(this), opt);
|
||
container.addEventListener("touchcancel", this.#onTouchEnd.bind(this), opt);
|
||
this.#onPinchStart?.();
|
||
}
|
||
stopEvent(evt);
|
||
if (evt.touches.length !== 2 || this.#isPinchingStopped?.()) {
|
||
this.#touchInfo = null;
|
||
return;
|
||
}
|
||
let [touch0, touch1] = evt.touches;
|
||
if (touch0.identifier > touch1.identifier) {
|
||
[touch0, touch1] = [touch1, touch0];
|
||
}
|
||
this.#touchInfo = {
|
||
touch0X: touch0.screenX,
|
||
touch0Y: touch0.screenY,
|
||
touch1X: touch1.screenX,
|
||
touch1Y: touch1.screenY
|
||
};
|
||
}
|
||
#onTouchMove(evt) {
|
||
if (!this.#touchInfo || evt.touches.length !== 2) {
|
||
return;
|
||
}
|
||
let [touch0, touch1] = evt.touches;
|
||
if (touch0.identifier > touch1.identifier) {
|
||
[touch0, touch1] = [touch1, touch0];
|
||
}
|
||
const {
|
||
screenX: screen0X,
|
||
screenY: screen0Y
|
||
} = touch0;
|
||
const {
|
||
screenX: screen1X,
|
||
screenY: screen1Y
|
||
} = touch1;
|
||
const touchInfo = this.#touchInfo;
|
||
const {
|
||
touch0X: pTouch0X,
|
||
touch0Y: pTouch0Y,
|
||
touch1X: pTouch1X,
|
||
touch1Y: pTouch1Y
|
||
} = touchInfo;
|
||
const prevGapX = pTouch1X - pTouch0X;
|
||
const prevGapY = pTouch1Y - pTouch0Y;
|
||
const currGapX = screen1X - screen0X;
|
||
const currGapY = screen1Y - screen0Y;
|
||
const distance = Math.hypot(currGapX, currGapY) || 1;
|
||
const pDistance = Math.hypot(prevGapX, prevGapY) || 1;
|
||
if (!this.#isPinching && Math.abs(pDistance - distance) <= TouchManager.MIN_TOUCH_DISTANCE_TO_PINCH) {
|
||
return;
|
||
}
|
||
touchInfo.touch0X = screen0X;
|
||
touchInfo.touch0Y = screen0Y;
|
||
touchInfo.touch1X = screen1X;
|
||
touchInfo.touch1Y = screen1Y;
|
||
evt.preventDefault();
|
||
if (!this.#isPinching) {
|
||
this.#isPinching = true;
|
||
return;
|
||
}
|
||
const origin = [(screen0X + screen1X) / 2, (screen0Y + screen1Y) / 2];
|
||
this.#onPinching?.(origin, pDistance, distance);
|
||
}
|
||
#onTouchEnd(evt) {
|
||
this.#touchMoveAC.abort();
|
||
this.#touchMoveAC = null;
|
||
this.#onPinchEnd?.();
|
||
if (!this.#touchInfo) {
|
||
return;
|
||
}
|
||
evt.preventDefault();
|
||
this.#touchInfo = null;
|
||
this.#isPinching = false;
|
||
}
|
||
destroy() {
|
||
this.#touchManagerAC?.abort();
|
||
this.#touchManagerAC = null;
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/editor.js
|
||
|
||
|
||
|
||
|
||
|
||
|
||
class AnnotationEditor {
|
||
#accessibilityData = null;
|
||
#allResizerDivs = null;
|
||
#altText = null;
|
||
#disabled = false;
|
||
#dragPointerId = null;
|
||
#dragPointerType = "";
|
||
#keepAspectRatio = false;
|
||
#resizersDiv = null;
|
||
#lastPointerCoords = null;
|
||
#savedDimensions = null;
|
||
#focusAC = null;
|
||
#focusedResizerName = "";
|
||
#hasBeenClicked = false;
|
||
#initialRect = null;
|
||
#isEditing = false;
|
||
#isInEditMode = false;
|
||
#isResizerEnabledForKeyboard = false;
|
||
#moveInDOMTimeout = null;
|
||
#prevDragX = 0;
|
||
#prevDragY = 0;
|
||
#telemetryTimeouts = null;
|
||
#touchManager = null;
|
||
_editToolbar = null;
|
||
_initialOptions = Object.create(null);
|
||
_initialData = null;
|
||
_isVisible = true;
|
||
_uiManager = null;
|
||
_focusEventsAllowed = true;
|
||
static _l10n = null;
|
||
static _l10nResizer = null;
|
||
#isDraggable = false;
|
||
#zIndex = AnnotationEditor._zIndex++;
|
||
static _borderLineWidth = -1;
|
||
static _colorManager = new ColorManager();
|
||
static _zIndex = 1;
|
||
static _telemetryTimeout = 1000;
|
||
static get _resizerKeyboardManager() {
|
||
const resize = AnnotationEditor.prototype._resizeWithKeyboard;
|
||
const small = AnnotationEditorUIManager.TRANSLATE_SMALL;
|
||
const big = AnnotationEditorUIManager.TRANSLATE_BIG;
|
||
return shadow(this, "_resizerKeyboardManager", new KeyboardManager([[["ArrowLeft", "mac+ArrowLeft"], resize, {
|
||
args: [-small, 0]
|
||
}], [["ctrl+ArrowLeft", "mac+shift+ArrowLeft"], resize, {
|
||
args: [-big, 0]
|
||
}], [["ArrowRight", "mac+ArrowRight"], resize, {
|
||
args: [small, 0]
|
||
}], [["ctrl+ArrowRight", "mac+shift+ArrowRight"], resize, {
|
||
args: [big, 0]
|
||
}], [["ArrowUp", "mac+ArrowUp"], resize, {
|
||
args: [0, -small]
|
||
}], [["ctrl+ArrowUp", "mac+shift+ArrowUp"], resize, {
|
||
args: [0, -big]
|
||
}], [["ArrowDown", "mac+ArrowDown"], resize, {
|
||
args: [0, small]
|
||
}], [["ctrl+ArrowDown", "mac+shift+ArrowDown"], resize, {
|
||
args: [0, big]
|
||
}], [["Escape", "mac+Escape"], AnnotationEditor.prototype._stopResizingWithKeyboard]]));
|
||
}
|
||
constructor(parameters) {
|
||
this.parent = parameters.parent;
|
||
this.id = parameters.id;
|
||
this.width = this.height = null;
|
||
this.pageIndex = parameters.parent.pageIndex;
|
||
this.name = parameters.name;
|
||
this.div = null;
|
||
this._uiManager = parameters.uiManager;
|
||
this.annotationElementId = null;
|
||
this._willKeepAspectRatio = false;
|
||
this._initialOptions.isCentered = parameters.isCentered;
|
||
this._structTreeParentId = null;
|
||
const {
|
||
rotation,
|
||
rawDims: {
|
||
pageWidth,
|
||
pageHeight,
|
||
pageX,
|
||
pageY
|
||
}
|
||
} = this.parent.viewport;
|
||
this.rotation = rotation;
|
||
this.pageRotation = (360 + rotation - this._uiManager.viewParameters.rotation) % 360;
|
||
this.pageDimensions = [pageWidth, pageHeight];
|
||
this.pageTranslation = [pageX, pageY];
|
||
const [width, height] = this.parentDimensions;
|
||
this.x = parameters.x / width;
|
||
this.y = parameters.y / height;
|
||
this.isAttachedToDOM = false;
|
||
this.deleted = false;
|
||
}
|
||
get editorType() {
|
||
return Object.getPrototypeOf(this).constructor._type;
|
||
}
|
||
static get isDrawer() {
|
||
return false;
|
||
}
|
||
static get _defaultLineColor() {
|
||
return shadow(this, "_defaultLineColor", this._colorManager.getHexCode("CanvasText"));
|
||
}
|
||
static deleteAnnotationElement(editor) {
|
||
const fakeEditor = new FakeEditor({
|
||
id: editor.parent.getNextId(),
|
||
parent: editor.parent,
|
||
uiManager: editor._uiManager
|
||
});
|
||
fakeEditor.annotationElementId = editor.annotationElementId;
|
||
fakeEditor.deleted = true;
|
||
fakeEditor._uiManager.addToAnnotationStorage(fakeEditor);
|
||
}
|
||
static initialize(l10n, _uiManager) {
|
||
AnnotationEditor._l10n ??= l10n;
|
||
AnnotationEditor._l10nResizer ||= Object.freeze({
|
||
topLeft: "pdfjs-editor-resizer-top-left",
|
||
topMiddle: "pdfjs-editor-resizer-top-middle",
|
||
topRight: "pdfjs-editor-resizer-top-right",
|
||
middleRight: "pdfjs-editor-resizer-middle-right",
|
||
bottomRight: "pdfjs-editor-resizer-bottom-right",
|
||
bottomMiddle: "pdfjs-editor-resizer-bottom-middle",
|
||
bottomLeft: "pdfjs-editor-resizer-bottom-left",
|
||
middleLeft: "pdfjs-editor-resizer-middle-left"
|
||
});
|
||
if (AnnotationEditor._borderLineWidth !== -1) {
|
||
return;
|
||
}
|
||
const style = getComputedStyle(document.documentElement);
|
||
AnnotationEditor._borderLineWidth = parseFloat(style.getPropertyValue("--outline-width")) || 0;
|
||
}
|
||
static updateDefaultParams(_type, _value) {}
|
||
static get defaultPropertiesToUpdate() {
|
||
return [];
|
||
}
|
||
static isHandlingMimeForPasting(mime) {
|
||
return false;
|
||
}
|
||
static paste(item, parent) {
|
||
unreachable("Not implemented");
|
||
}
|
||
get propertiesToUpdate() {
|
||
return [];
|
||
}
|
||
get _isDraggable() {
|
||
return this.#isDraggable;
|
||
}
|
||
set _isDraggable(value) {
|
||
this.#isDraggable = value;
|
||
this.div?.classList.toggle("draggable", value);
|
||
}
|
||
get isEnterHandled() {
|
||
return true;
|
||
}
|
||
center() {
|
||
const [pageWidth, pageHeight] = this.pageDimensions;
|
||
switch (this.parentRotation) {
|
||
case 90:
|
||
this.x -= this.height * pageHeight / (pageWidth * 2);
|
||
this.y += this.width * pageWidth / (pageHeight * 2);
|
||
break;
|
||
case 180:
|
||
this.x += this.width / 2;
|
||
this.y += this.height / 2;
|
||
break;
|
||
case 270:
|
||
this.x += this.height * pageHeight / (pageWidth * 2);
|
||
this.y -= this.width * pageWidth / (pageHeight * 2);
|
||
break;
|
||
default:
|
||
this.x -= this.width / 2;
|
||
this.y -= this.height / 2;
|
||
break;
|
||
}
|
||
this.fixAndSetPosition();
|
||
}
|
||
addCommands(params) {
|
||
this._uiManager.addCommands(params);
|
||
}
|
||
get currentLayer() {
|
||
return this._uiManager.currentLayer;
|
||
}
|
||
setInBackground() {
|
||
this.div.style.zIndex = 0;
|
||
}
|
||
setInForeground() {
|
||
this.div.style.zIndex = this.#zIndex;
|
||
}
|
||
setParent(parent) {
|
||
if (parent !== null) {
|
||
this.pageIndex = parent.pageIndex;
|
||
this.pageDimensions = parent.pageDimensions;
|
||
} else {
|
||
this.#stopResizing();
|
||
}
|
||
this.parent = parent;
|
||
}
|
||
focusin(event) {
|
||
if (!this._focusEventsAllowed) {
|
||
return;
|
||
}
|
||
if (!this.#hasBeenClicked) {
|
||
this.parent.setSelected(this);
|
||
} else {
|
||
this.#hasBeenClicked = false;
|
||
}
|
||
}
|
||
focusout(event) {
|
||
if (!this._focusEventsAllowed) {
|
||
return;
|
||
}
|
||
if (!this.isAttachedToDOM) {
|
||
return;
|
||
}
|
||
const target = event.relatedTarget;
|
||
if (target?.closest(`#${this.id}`)) {
|
||
return;
|
||
}
|
||
event.preventDefault();
|
||
if (!this.parent?.isMultipleSelection) {
|
||
this.commitOrRemove();
|
||
}
|
||
}
|
||
commitOrRemove() {
|
||
if (this.isEmpty()) {
|
||
this.remove();
|
||
} else {
|
||
this.commit();
|
||
}
|
||
}
|
||
commit() {
|
||
this.addToAnnotationStorage();
|
||
}
|
||
addToAnnotationStorage() {
|
||
this._uiManager.addToAnnotationStorage(this);
|
||
}
|
||
setAt(x, y, tx, ty) {
|
||
const [width, height] = this.parentDimensions;
|
||
[tx, ty] = this.screenToPageTranslation(tx, ty);
|
||
this.x = (x + tx) / width;
|
||
this.y = (y + ty) / height;
|
||
this.fixAndSetPosition();
|
||
}
|
||
#translate([width, height], x, y) {
|
||
[x, y] = this.screenToPageTranslation(x, y);
|
||
this.x += x / width;
|
||
this.y += y / height;
|
||
this._onTranslating(this.x, this.y);
|
||
this.fixAndSetPosition();
|
||
}
|
||
translate(x, y) {
|
||
this.#translate(this.parentDimensions, x, y);
|
||
}
|
||
translateInPage(x, y) {
|
||
this.#initialRect ||= [this.x, this.y, this.width, this.height];
|
||
this.#translate(this.pageDimensions, x, y);
|
||
this.div.scrollIntoView({
|
||
block: "nearest"
|
||
});
|
||
}
|
||
drag(tx, ty) {
|
||
this.#initialRect ||= [this.x, this.y, this.width, this.height];
|
||
const {
|
||
div,
|
||
parentDimensions: [parentWidth, parentHeight]
|
||
} = this;
|
||
this.x += tx / parentWidth;
|
||
this.y += ty / parentHeight;
|
||
if (this.parent && (this.x < 0 || this.x > 1 || this.y < 0 || this.y > 1)) {
|
||
const {
|
||
x,
|
||
y
|
||
} = this.div.getBoundingClientRect();
|
||
if (this.parent.findNewParent(this, x, y)) {
|
||
this.x -= Math.floor(this.x);
|
||
this.y -= Math.floor(this.y);
|
||
}
|
||
}
|
||
let {
|
||
x,
|
||
y
|
||
} = this;
|
||
const [bx, by] = this.getBaseTranslation();
|
||
x += bx;
|
||
y += by;
|
||
const {
|
||
style
|
||
} = div;
|
||
style.left = `${(100 * x).toFixed(2)}%`;
|
||
style.top = `${(100 * y).toFixed(2)}%`;
|
||
this._onTranslating(x, y);
|
||
div.scrollIntoView({
|
||
block: "nearest"
|
||
});
|
||
}
|
||
_onTranslating(x, y) {}
|
||
_onTranslated(x, y) {}
|
||
get _hasBeenMoved() {
|
||
return !!this.#initialRect && (this.#initialRect[0] !== this.x || this.#initialRect[1] !== this.y);
|
||
}
|
||
get _hasBeenResized() {
|
||
return !!this.#initialRect && (this.#initialRect[2] !== this.width || this.#initialRect[3] !== this.height);
|
||
}
|
||
getBaseTranslation() {
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
const {
|
||
_borderLineWidth
|
||
} = AnnotationEditor;
|
||
const x = _borderLineWidth / parentWidth;
|
||
const y = _borderLineWidth / parentHeight;
|
||
switch (this.rotation) {
|
||
case 90:
|
||
return [-x, y];
|
||
case 180:
|
||
return [x, y];
|
||
case 270:
|
||
return [x, -y];
|
||
default:
|
||
return [-x, -y];
|
||
}
|
||
}
|
||
get _mustFixPosition() {
|
||
return true;
|
||
}
|
||
fixAndSetPosition(rotation = this.rotation) {
|
||
const {
|
||
div: {
|
||
style
|
||
},
|
||
pageDimensions: [pageWidth, pageHeight]
|
||
} = this;
|
||
let {
|
||
x,
|
||
y,
|
||
width,
|
||
height
|
||
} = this;
|
||
width *= pageWidth;
|
||
height *= pageHeight;
|
||
x *= pageWidth;
|
||
y *= pageHeight;
|
||
if (this._mustFixPosition) {
|
||
switch (rotation) {
|
||
case 0:
|
||
x = Math.max(0, Math.min(pageWidth - width, x));
|
||
y = Math.max(0, Math.min(pageHeight - height, y));
|
||
break;
|
||
case 90:
|
||
x = Math.max(0, Math.min(pageWidth - height, x));
|
||
y = Math.min(pageHeight, Math.max(width, y));
|
||
break;
|
||
case 180:
|
||
x = Math.min(pageWidth, Math.max(width, x));
|
||
y = Math.min(pageHeight, Math.max(height, y));
|
||
break;
|
||
case 270:
|
||
x = Math.min(pageWidth, Math.max(height, x));
|
||
y = Math.max(0, Math.min(pageHeight - width, y));
|
||
break;
|
||
}
|
||
}
|
||
this.x = x /= pageWidth;
|
||
this.y = y /= pageHeight;
|
||
const [bx, by] = this.getBaseTranslation();
|
||
x += bx;
|
||
y += by;
|
||
style.left = `${(100 * x).toFixed(2)}%`;
|
||
style.top = `${(100 * y).toFixed(2)}%`;
|
||
this.moveInDOM();
|
||
}
|
||
static #rotatePoint(x, y, angle) {
|
||
switch (angle) {
|
||
case 90:
|
||
return [y, -x];
|
||
case 180:
|
||
return [-x, -y];
|
||
case 270:
|
||
return [-y, x];
|
||
default:
|
||
return [x, y];
|
||
}
|
||
}
|
||
screenToPageTranslation(x, y) {
|
||
return AnnotationEditor.#rotatePoint(x, y, this.parentRotation);
|
||
}
|
||
pageTranslationToScreen(x, y) {
|
||
return AnnotationEditor.#rotatePoint(x, y, 360 - this.parentRotation);
|
||
}
|
||
#getRotationMatrix(rotation) {
|
||
switch (rotation) {
|
||
case 90:
|
||
{
|
||
const [pageWidth, pageHeight] = this.pageDimensions;
|
||
return [0, -pageWidth / pageHeight, pageHeight / pageWidth, 0];
|
||
}
|
||
case 180:
|
||
return [-1, 0, 0, -1];
|
||
case 270:
|
||
{
|
||
const [pageWidth, pageHeight] = this.pageDimensions;
|
||
return [0, pageWidth / pageHeight, -pageHeight / pageWidth, 0];
|
||
}
|
||
default:
|
||
return [1, 0, 0, 1];
|
||
}
|
||
}
|
||
get parentScale() {
|
||
return this._uiManager.viewParameters.realScale;
|
||
}
|
||
get parentRotation() {
|
||
return (this._uiManager.viewParameters.rotation + this.pageRotation) % 360;
|
||
}
|
||
get parentDimensions() {
|
||
const {
|
||
parentScale,
|
||
pageDimensions: [pageWidth, pageHeight]
|
||
} = this;
|
||
return [pageWidth * parentScale, pageHeight * parentScale];
|
||
}
|
||
setDims(width, height) {
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
const {
|
||
style
|
||
} = this.div;
|
||
style.width = `${(100 * width / parentWidth).toFixed(2)}%`;
|
||
if (!this.#keepAspectRatio) {
|
||
style.height = `${(100 * height / parentHeight).toFixed(2)}%`;
|
||
}
|
||
}
|
||
fixDims() {
|
||
const {
|
||
style
|
||
} = this.div;
|
||
const {
|
||
height,
|
||
width
|
||
} = style;
|
||
const widthPercent = width.endsWith("%");
|
||
const heightPercent = !this.#keepAspectRatio && height.endsWith("%");
|
||
if (widthPercent && heightPercent) {
|
||
return;
|
||
}
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
if (!widthPercent) {
|
||
style.width = `${(100 * parseFloat(width) / parentWidth).toFixed(2)}%`;
|
||
}
|
||
if (!this.#keepAspectRatio && !heightPercent) {
|
||
style.height = `${(100 * parseFloat(height) / parentHeight).toFixed(2)}%`;
|
||
}
|
||
}
|
||
getInitialTranslation() {
|
||
return [0, 0];
|
||
}
|
||
#createResizers() {
|
||
if (this.#resizersDiv) {
|
||
return;
|
||
}
|
||
this.#resizersDiv = document.createElement("div");
|
||
this.#resizersDiv.classList.add("resizers");
|
||
const classes = this._willKeepAspectRatio ? ["topLeft", "topRight", "bottomRight", "bottomLeft"] : ["topLeft", "topMiddle", "topRight", "middleRight", "bottomRight", "bottomMiddle", "bottomLeft", "middleLeft"];
|
||
const signal = this._uiManager._signal;
|
||
for (const name of classes) {
|
||
const div = document.createElement("div");
|
||
this.#resizersDiv.append(div);
|
||
div.classList.add("resizer", name);
|
||
div.setAttribute("data-resizer-name", name);
|
||
div.addEventListener("pointerdown", this.#resizerPointerdown.bind(this, name), {
|
||
signal
|
||
});
|
||
div.addEventListener("contextmenu", noContextMenu, {
|
||
signal
|
||
});
|
||
div.tabIndex = -1;
|
||
}
|
||
this.div.prepend(this.#resizersDiv);
|
||
}
|
||
#resizerPointerdown(name, event) {
|
||
event.preventDefault();
|
||
const {
|
||
isMac
|
||
} = util_FeatureTest.platform;
|
||
if (event.button !== 0 || event.ctrlKey && isMac) {
|
||
return;
|
||
}
|
||
this.#altText?.toggle(false);
|
||
const savedDraggable = this._isDraggable;
|
||
this._isDraggable = false;
|
||
this.#lastPointerCoords = [event.screenX, event.screenY];
|
||
const ac = new AbortController();
|
||
const signal = this._uiManager.combinedSignal(ac);
|
||
this.parent.togglePointerEvents(false);
|
||
window.addEventListener("pointermove", this.#resizerPointermove.bind(this, name), {
|
||
passive: true,
|
||
capture: true,
|
||
signal
|
||
});
|
||
window.addEventListener("touchmove", stopEvent, {
|
||
passive: false,
|
||
signal
|
||
});
|
||
window.addEventListener("contextmenu", noContextMenu, {
|
||
signal
|
||
});
|
||
this.#savedDimensions = {
|
||
savedX: this.x,
|
||
savedY: this.y,
|
||
savedWidth: this.width,
|
||
savedHeight: this.height
|
||
};
|
||
const savedParentCursor = this.parent.div.style.cursor;
|
||
const savedCursor = this.div.style.cursor;
|
||
this.div.style.cursor = this.parent.div.style.cursor = window.getComputedStyle(event.target).cursor;
|
||
const pointerUpCallback = () => {
|
||
ac.abort();
|
||
this.parent.togglePointerEvents(true);
|
||
this.#altText?.toggle(true);
|
||
this._isDraggable = savedDraggable;
|
||
this.parent.div.style.cursor = savedParentCursor;
|
||
this.div.style.cursor = savedCursor;
|
||
this.#addResizeToUndoStack();
|
||
};
|
||
window.addEventListener("pointerup", pointerUpCallback, {
|
||
signal
|
||
});
|
||
window.addEventListener("blur", pointerUpCallback, {
|
||
signal
|
||
});
|
||
}
|
||
#resize(x, y, width, height) {
|
||
this.width = width;
|
||
this.height = height;
|
||
this.x = x;
|
||
this.y = y;
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
this.setDims(parentWidth * width, parentHeight * height);
|
||
this.fixAndSetPosition();
|
||
this._onResized();
|
||
}
|
||
_onResized() {}
|
||
#addResizeToUndoStack() {
|
||
if (!this.#savedDimensions) {
|
||
return;
|
||
}
|
||
const {
|
||
savedX,
|
||
savedY,
|
||
savedWidth,
|
||
savedHeight
|
||
} = this.#savedDimensions;
|
||
this.#savedDimensions = null;
|
||
const newX = this.x;
|
||
const newY = this.y;
|
||
const newWidth = this.width;
|
||
const newHeight = this.height;
|
||
if (newX === savedX && newY === savedY && newWidth === savedWidth && newHeight === savedHeight) {
|
||
return;
|
||
}
|
||
this.addCommands({
|
||
cmd: this.#resize.bind(this, newX, newY, newWidth, newHeight),
|
||
undo: this.#resize.bind(this, savedX, savedY, savedWidth, savedHeight),
|
||
mustExec: true
|
||
});
|
||
}
|
||
static _round(x) {
|
||
return Math.round(x * 10000) / 10000;
|
||
}
|
||
#resizerPointermove(name, event) {
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
const savedX = this.x;
|
||
const savedY = this.y;
|
||
const savedWidth = this.width;
|
||
const savedHeight = this.height;
|
||
const minWidth = AnnotationEditor.MIN_SIZE / parentWidth;
|
||
const minHeight = AnnotationEditor.MIN_SIZE / parentHeight;
|
||
const rotationMatrix = this.#getRotationMatrix(this.rotation);
|
||
const transf = (x, y) => [rotationMatrix[0] * x + rotationMatrix[2] * y, rotationMatrix[1] * x + rotationMatrix[3] * y];
|
||
const invRotationMatrix = this.#getRotationMatrix(360 - this.rotation);
|
||
const invTransf = (x, y) => [invRotationMatrix[0] * x + invRotationMatrix[2] * y, invRotationMatrix[1] * x + invRotationMatrix[3] * y];
|
||
let getPoint;
|
||
let getOpposite;
|
||
let isDiagonal = false;
|
||
let isHorizontal = false;
|
||
switch (name) {
|
||
case "topLeft":
|
||
isDiagonal = true;
|
||
getPoint = (w, h) => [0, 0];
|
||
getOpposite = (w, h) => [w, h];
|
||
break;
|
||
case "topMiddle":
|
||
getPoint = (w, h) => [w / 2, 0];
|
||
getOpposite = (w, h) => [w / 2, h];
|
||
break;
|
||
case "topRight":
|
||
isDiagonal = true;
|
||
getPoint = (w, h) => [w, 0];
|
||
getOpposite = (w, h) => [0, h];
|
||
break;
|
||
case "middleRight":
|
||
isHorizontal = true;
|
||
getPoint = (w, h) => [w, h / 2];
|
||
getOpposite = (w, h) => [0, h / 2];
|
||
break;
|
||
case "bottomRight":
|
||
isDiagonal = true;
|
||
getPoint = (w, h) => [w, h];
|
||
getOpposite = (w, h) => [0, 0];
|
||
break;
|
||
case "bottomMiddle":
|
||
getPoint = (w, h) => [w / 2, h];
|
||
getOpposite = (w, h) => [w / 2, 0];
|
||
break;
|
||
case "bottomLeft":
|
||
isDiagonal = true;
|
||
getPoint = (w, h) => [0, h];
|
||
getOpposite = (w, h) => [w, 0];
|
||
break;
|
||
case "middleLeft":
|
||
isHorizontal = true;
|
||
getPoint = (w, h) => [0, h / 2];
|
||
getOpposite = (w, h) => [w, h / 2];
|
||
break;
|
||
}
|
||
const point = getPoint(savedWidth, savedHeight);
|
||
const oppositePoint = getOpposite(savedWidth, savedHeight);
|
||
let transfOppositePoint = transf(...oppositePoint);
|
||
const oppositeX = AnnotationEditor._round(savedX + transfOppositePoint[0]);
|
||
const oppositeY = AnnotationEditor._round(savedY + transfOppositePoint[1]);
|
||
let ratioX = 1;
|
||
let ratioY = 1;
|
||
let deltaX, deltaY;
|
||
if (!event.fromKeyboard) {
|
||
const {
|
||
screenX,
|
||
screenY
|
||
} = event;
|
||
const [lastScreenX, lastScreenY] = this.#lastPointerCoords;
|
||
[deltaX, deltaY] = this.screenToPageTranslation(screenX - lastScreenX, screenY - lastScreenY);
|
||
this.#lastPointerCoords[0] = screenX;
|
||
this.#lastPointerCoords[1] = screenY;
|
||
} else {
|
||
({
|
||
deltaX,
|
||
deltaY
|
||
} = event);
|
||
}
|
||
[deltaX, deltaY] = invTransf(deltaX / parentWidth, deltaY / parentHeight);
|
||
if (isDiagonal) {
|
||
const oldDiag = Math.hypot(savedWidth, savedHeight);
|
||
ratioX = ratioY = Math.max(Math.min(Math.hypot(oppositePoint[0] - point[0] - deltaX, oppositePoint[1] - point[1] - deltaY) / oldDiag, 1 / savedWidth, 1 / savedHeight), minWidth / savedWidth, minHeight / savedHeight);
|
||
} else if (isHorizontal) {
|
||
ratioX = Math.max(minWidth, Math.min(1, Math.abs(oppositePoint[0] - point[0] - deltaX))) / savedWidth;
|
||
} else {
|
||
ratioY = Math.max(minHeight, Math.min(1, Math.abs(oppositePoint[1] - point[1] - deltaY))) / savedHeight;
|
||
}
|
||
const newWidth = AnnotationEditor._round(savedWidth * ratioX);
|
||
const newHeight = AnnotationEditor._round(savedHeight * ratioY);
|
||
transfOppositePoint = transf(...getOpposite(newWidth, newHeight));
|
||
const newX = oppositeX - transfOppositePoint[0];
|
||
const newY = oppositeY - transfOppositePoint[1];
|
||
this.#initialRect ||= [this.x, this.y, this.width, this.height];
|
||
this.width = newWidth;
|
||
this.height = newHeight;
|
||
this.x = newX;
|
||
this.y = newY;
|
||
this.setDims(parentWidth * newWidth, parentHeight * newHeight);
|
||
this.fixAndSetPosition();
|
||
this._onResizing();
|
||
}
|
||
_onResizing() {}
|
||
altTextFinish() {
|
||
this.#altText?.finish();
|
||
}
|
||
async addEditToolbar() {
|
||
if (this._editToolbar || this.#isInEditMode) {
|
||
return this._editToolbar;
|
||
}
|
||
this._editToolbar = new EditorToolbar(this);
|
||
this.div.append(this._editToolbar.render());
|
||
if (this.#altText) {
|
||
await this._editToolbar.addAltText(this.#altText);
|
||
}
|
||
return this._editToolbar;
|
||
}
|
||
removeEditToolbar() {
|
||
if (!this._editToolbar) {
|
||
return;
|
||
}
|
||
this._editToolbar.remove();
|
||
this._editToolbar = null;
|
||
this.#altText?.destroy();
|
||
}
|
||
addContainer(container) {
|
||
const editToolbarDiv = this._editToolbar?.div;
|
||
if (editToolbarDiv) {
|
||
editToolbarDiv.before(container);
|
||
} else {
|
||
this.div.append(container);
|
||
}
|
||
}
|
||
getClientDimensions() {
|
||
return this.div.getBoundingClientRect();
|
||
}
|
||
async addAltTextButton() {
|
||
if (this.#altText) {
|
||
return;
|
||
}
|
||
AltText.initialize(AnnotationEditor._l10n);
|
||
this.#altText = new AltText(this);
|
||
if (this.#accessibilityData) {
|
||
this.#altText.data = this.#accessibilityData;
|
||
this.#accessibilityData = null;
|
||
}
|
||
await this.addEditToolbar();
|
||
}
|
||
get altTextData() {
|
||
return this.#altText?.data;
|
||
}
|
||
set altTextData(data) {
|
||
if (!this.#altText) {
|
||
return;
|
||
}
|
||
this.#altText.data = data;
|
||
}
|
||
get guessedAltText() {
|
||
return this.#altText?.guessedText;
|
||
}
|
||
async setGuessedAltText(text) {
|
||
await this.#altText?.setGuessedText(text);
|
||
}
|
||
serializeAltText(isForCopying) {
|
||
return this.#altText?.serialize(isForCopying);
|
||
}
|
||
hasAltText() {
|
||
return !!this.#altText && !this.#altText.isEmpty();
|
||
}
|
||
hasAltTextData() {
|
||
return this.#altText?.hasData() ?? false;
|
||
}
|
||
render() {
|
||
this.div = document.createElement("div");
|
||
this.div.setAttribute("data-editor-rotation", (360 - this.rotation) % 360);
|
||
this.div.className = this.name;
|
||
this.div.setAttribute("id", this.id);
|
||
this.div.tabIndex = this.#disabled ? -1 : 0;
|
||
if (!this._isVisible) {
|
||
this.div.classList.add("hidden");
|
||
}
|
||
this.setInForeground();
|
||
this.#addFocusListeners();
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
if (this.parentRotation % 180 !== 0) {
|
||
this.div.style.maxWidth = `${(100 * parentHeight / parentWidth).toFixed(2)}%`;
|
||
this.div.style.maxHeight = `${(100 * parentWidth / parentHeight).toFixed(2)}%`;
|
||
}
|
||
const [tx, ty] = this.getInitialTranslation();
|
||
this.translate(tx, ty);
|
||
bindEvents(this, this.div, ["pointerdown"]);
|
||
if (this.isResizable && this._uiManager._supportsPinchToZoom) {
|
||
this.#touchManager ||= new TouchManager({
|
||
container: this.div,
|
||
isPinchingDisabled: () => !this.isSelected,
|
||
onPinchStart: this.#touchPinchStartCallback.bind(this),
|
||
onPinching: this.#touchPinchCallback.bind(this),
|
||
onPinchEnd: this.#touchPinchEndCallback.bind(this),
|
||
signal: this._uiManager._signal
|
||
});
|
||
}
|
||
this._uiManager._editorUndoBar?.hide();
|
||
return this.div;
|
||
}
|
||
#touchPinchStartCallback() {
|
||
this.#savedDimensions = {
|
||
savedX: this.x,
|
||
savedY: this.y,
|
||
savedWidth: this.width,
|
||
savedHeight: this.height
|
||
};
|
||
this.#altText?.toggle(false);
|
||
this.parent.togglePointerEvents(false);
|
||
}
|
||
#touchPinchCallback(_origin, prevDistance, distance) {
|
||
const slowDownFactor = 0.7;
|
||
let factor = slowDownFactor * (distance / prevDistance) + 1 - slowDownFactor;
|
||
if (factor === 1) {
|
||
return;
|
||
}
|
||
const rotationMatrix = this.#getRotationMatrix(this.rotation);
|
||
const transf = (x, y) => [rotationMatrix[0] * x + rotationMatrix[2] * y, rotationMatrix[1] * x + rotationMatrix[3] * y];
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
const savedX = this.x;
|
||
const savedY = this.y;
|
||
const savedWidth = this.width;
|
||
const savedHeight = this.height;
|
||
const minWidth = AnnotationEditor.MIN_SIZE / parentWidth;
|
||
const minHeight = AnnotationEditor.MIN_SIZE / parentHeight;
|
||
factor = Math.max(Math.min(factor, 1 / savedWidth, 1 / savedHeight), minWidth / savedWidth, minHeight / savedHeight);
|
||
const newWidth = AnnotationEditor._round(savedWidth * factor);
|
||
const newHeight = AnnotationEditor._round(savedHeight * factor);
|
||
if (newWidth === savedWidth && newHeight === savedHeight) {
|
||
return;
|
||
}
|
||
this.#initialRect ||= [savedX, savedY, savedWidth, savedHeight];
|
||
const transfCenterPoint = transf(savedWidth / 2, savedHeight / 2);
|
||
const centerX = AnnotationEditor._round(savedX + transfCenterPoint[0]);
|
||
const centerY = AnnotationEditor._round(savedY + transfCenterPoint[1]);
|
||
const newTransfCenterPoint = transf(newWidth / 2, newHeight / 2);
|
||
this.x = centerX - newTransfCenterPoint[0];
|
||
this.y = centerY - newTransfCenterPoint[1];
|
||
this.width = newWidth;
|
||
this.height = newHeight;
|
||
this.setDims(parentWidth * newWidth, parentHeight * newHeight);
|
||
this.fixAndSetPosition();
|
||
this._onResizing();
|
||
}
|
||
#touchPinchEndCallback() {
|
||
this.#altText?.toggle(true);
|
||
this.parent.togglePointerEvents(true);
|
||
this.#addResizeToUndoStack();
|
||
}
|
||
pointerdown(event) {
|
||
const {
|
||
isMac
|
||
} = util_FeatureTest.platform;
|
||
if (event.button !== 0 || event.ctrlKey && isMac) {
|
||
event.preventDefault();
|
||
return;
|
||
}
|
||
this.#hasBeenClicked = true;
|
||
if (this._isDraggable) {
|
||
this.#setUpDragSession(event);
|
||
return;
|
||
}
|
||
this.#selectOnPointerEvent(event);
|
||
}
|
||
get isSelected() {
|
||
return this._uiManager.isSelected(this);
|
||
}
|
||
#selectOnPointerEvent(event) {
|
||
const {
|
||
isMac
|
||
} = util_FeatureTest.platform;
|
||
if (event.ctrlKey && !isMac || event.shiftKey || event.metaKey && isMac) {
|
||
this.parent.toggleSelected(this);
|
||
} else {
|
||
this.parent.setSelected(this);
|
||
}
|
||
}
|
||
#setUpDragSession(event) {
|
||
const {
|
||
isSelected
|
||
} = this;
|
||
this._uiManager.setUpDragSession();
|
||
let hasDraggingStarted = false;
|
||
const ac = new AbortController();
|
||
const signal = this._uiManager.combinedSignal(ac);
|
||
const opts = {
|
||
capture: true,
|
||
passive: false,
|
||
signal
|
||
};
|
||
const cancelDrag = e => {
|
||
ac.abort();
|
||
this.#dragPointerId = null;
|
||
this.#hasBeenClicked = false;
|
||
if (!this._uiManager.endDragSession()) {
|
||
this.#selectOnPointerEvent(e);
|
||
}
|
||
if (hasDraggingStarted) {
|
||
this._onStopDragging();
|
||
}
|
||
};
|
||
if (isSelected) {
|
||
this.#prevDragX = event.clientX;
|
||
this.#prevDragY = event.clientY;
|
||
this.#dragPointerId = event.pointerId;
|
||
this.#dragPointerType = event.pointerType;
|
||
window.addEventListener("pointermove", e => {
|
||
if (!hasDraggingStarted) {
|
||
hasDraggingStarted = true;
|
||
this._onStartDragging();
|
||
}
|
||
const {
|
||
clientX: x,
|
||
clientY: y,
|
||
pointerId
|
||
} = e;
|
||
if (pointerId !== this.#dragPointerId) {
|
||
stopEvent(e);
|
||
return;
|
||
}
|
||
const [tx, ty] = this.screenToPageTranslation(x - this.#prevDragX, y - this.#prevDragY);
|
||
this.#prevDragX = x;
|
||
this.#prevDragY = y;
|
||
this._uiManager.dragSelectedEditors(tx, ty);
|
||
}, opts);
|
||
window.addEventListener("touchmove", stopEvent, opts);
|
||
window.addEventListener("pointerdown", e => {
|
||
if (e.pointerType === this.#dragPointerType) {
|
||
if (this.#touchManager || e.isPrimary) {
|
||
cancelDrag(e);
|
||
}
|
||
}
|
||
stopEvent(e);
|
||
}, opts);
|
||
}
|
||
const pointerUpCallback = e => {
|
||
if (!this.#dragPointerId || this.#dragPointerId === e.pointerId) {
|
||
cancelDrag(e);
|
||
return;
|
||
}
|
||
stopEvent(e);
|
||
};
|
||
window.addEventListener("pointerup", pointerUpCallback, {
|
||
signal
|
||
});
|
||
window.addEventListener("blur", pointerUpCallback, {
|
||
signal
|
||
});
|
||
}
|
||
_onStartDragging() {}
|
||
_onStopDragging() {}
|
||
moveInDOM() {
|
||
if (this.#moveInDOMTimeout) {
|
||
clearTimeout(this.#moveInDOMTimeout);
|
||
}
|
||
this.#moveInDOMTimeout = setTimeout(() => {
|
||
this.#moveInDOMTimeout = null;
|
||
this.parent?.moveEditorInDOM(this);
|
||
}, 0);
|
||
}
|
||
_setParentAndPosition(parent, x, y) {
|
||
parent.changeParent(this);
|
||
this.x = x;
|
||
this.y = y;
|
||
this.fixAndSetPosition();
|
||
this._onTranslated();
|
||
}
|
||
getRect(tx, ty, rotation = this.rotation) {
|
||
const scale = this.parentScale;
|
||
const [pageWidth, pageHeight] = this.pageDimensions;
|
||
const [pageX, pageY] = this.pageTranslation;
|
||
const shiftX = tx / scale;
|
||
const shiftY = ty / scale;
|
||
const x = this.x * pageWidth;
|
||
const y = this.y * pageHeight;
|
||
const width = this.width * pageWidth;
|
||
const height = this.height * pageHeight;
|
||
switch (rotation) {
|
||
case 0:
|
||
return [x + shiftX + pageX, pageHeight - y - shiftY - height + pageY, x + shiftX + width + pageX, pageHeight - y - shiftY + pageY];
|
||
case 90:
|
||
return [x + shiftY + pageX, pageHeight - y + shiftX + pageY, x + shiftY + height + pageX, pageHeight - y + shiftX + width + pageY];
|
||
case 180:
|
||
return [x - shiftX - width + pageX, pageHeight - y + shiftY + pageY, x - shiftX + pageX, pageHeight - y + shiftY + height + pageY];
|
||
case 270:
|
||
return [x - shiftY - height + pageX, pageHeight - y - shiftX - width + pageY, x - shiftY + pageX, pageHeight - y - shiftX + pageY];
|
||
default:
|
||
throw new Error("Invalid rotation");
|
||
}
|
||
}
|
||
getRectInCurrentCoords(rect, pageHeight) {
|
||
const [x1, y1, x2, y2] = rect;
|
||
const width = x2 - x1;
|
||
const height = y2 - y1;
|
||
switch (this.rotation) {
|
||
case 0:
|
||
return [x1, pageHeight - y2, width, height];
|
||
case 90:
|
||
return [x1, pageHeight - y1, height, width];
|
||
case 180:
|
||
return [x2, pageHeight - y1, width, height];
|
||
case 270:
|
||
return [x2, pageHeight - y2, height, width];
|
||
default:
|
||
throw new Error("Invalid rotation");
|
||
}
|
||
}
|
||
onceAdded(focus) {}
|
||
isEmpty() {
|
||
return false;
|
||
}
|
||
enableEditMode() {
|
||
this.#isInEditMode = true;
|
||
}
|
||
disableEditMode() {
|
||
this.#isInEditMode = false;
|
||
}
|
||
isInEditMode() {
|
||
return this.#isInEditMode;
|
||
}
|
||
shouldGetKeyboardEvents() {
|
||
return this.#isResizerEnabledForKeyboard;
|
||
}
|
||
needsToBeRebuilt() {
|
||
return this.div && !this.isAttachedToDOM;
|
||
}
|
||
get isOnScreen() {
|
||
const {
|
||
top,
|
||
left,
|
||
bottom,
|
||
right
|
||
} = this.getClientDimensions();
|
||
const {
|
||
innerHeight,
|
||
innerWidth
|
||
} = window;
|
||
return left < innerWidth && right > 0 && top < innerHeight && bottom > 0;
|
||
}
|
||
#addFocusListeners() {
|
||
if (this.#focusAC || !this.div) {
|
||
return;
|
||
}
|
||
this.#focusAC = new AbortController();
|
||
const signal = this._uiManager.combinedSignal(this.#focusAC);
|
||
this.div.addEventListener("focusin", this.focusin.bind(this), {
|
||
signal
|
||
});
|
||
this.div.addEventListener("focusout", this.focusout.bind(this), {
|
||
signal
|
||
});
|
||
}
|
||
rebuild() {
|
||
this.#addFocusListeners();
|
||
}
|
||
rotate(_angle) {}
|
||
resize() {}
|
||
serializeDeleted() {
|
||
return {
|
||
id: this.annotationElementId,
|
||
deleted: true,
|
||
pageIndex: this.pageIndex,
|
||
popupRef: this._initialData?.popupRef || ""
|
||
};
|
||
}
|
||
serialize(isForCopying = false, context = null) {
|
||
unreachable("An editor must be serializable");
|
||
}
|
||
static async deserialize(data, parent, uiManager) {
|
||
const editor = new this.prototype.constructor({
|
||
parent,
|
||
id: parent.getNextId(),
|
||
uiManager
|
||
});
|
||
editor.rotation = data.rotation;
|
||
editor.#accessibilityData = data.accessibilityData;
|
||
const [pageWidth, pageHeight] = editor.pageDimensions;
|
||
const [x, y, width, height] = editor.getRectInCurrentCoords(data.rect, pageHeight);
|
||
editor.x = x / pageWidth;
|
||
editor.y = y / pageHeight;
|
||
editor.width = width / pageWidth;
|
||
editor.height = height / pageHeight;
|
||
return editor;
|
||
}
|
||
get hasBeenModified() {
|
||
return !!this.annotationElementId && (this.deleted || this.serialize() !== null);
|
||
}
|
||
remove() {
|
||
this.#focusAC?.abort();
|
||
this.#focusAC = null;
|
||
if (!this.isEmpty()) {
|
||
this.commit();
|
||
}
|
||
if (this.parent) {
|
||
this.parent.remove(this);
|
||
} else {
|
||
this._uiManager.removeEditor(this);
|
||
}
|
||
if (this.#moveInDOMTimeout) {
|
||
clearTimeout(this.#moveInDOMTimeout);
|
||
this.#moveInDOMTimeout = null;
|
||
}
|
||
this.#stopResizing();
|
||
this.removeEditToolbar();
|
||
if (this.#telemetryTimeouts) {
|
||
for (const timeout of this.#telemetryTimeouts.values()) {
|
||
clearTimeout(timeout);
|
||
}
|
||
this.#telemetryTimeouts = null;
|
||
}
|
||
this.parent = null;
|
||
this.#touchManager?.destroy();
|
||
this.#touchManager = null;
|
||
}
|
||
get isResizable() {
|
||
return false;
|
||
}
|
||
makeResizable() {
|
||
if (this.isResizable) {
|
||
this.#createResizers();
|
||
this.#resizersDiv.classList.remove("hidden");
|
||
bindEvents(this, this.div, ["keydown"]);
|
||
}
|
||
}
|
||
get toolbarPosition() {
|
||
return null;
|
||
}
|
||
keydown(event) {
|
||
if (!this.isResizable || event.target !== this.div || event.key !== "Enter") {
|
||
return;
|
||
}
|
||
this._uiManager.setSelected(this);
|
||
this.#savedDimensions = {
|
||
savedX: this.x,
|
||
savedY: this.y,
|
||
savedWidth: this.width,
|
||
savedHeight: this.height
|
||
};
|
||
const children = this.#resizersDiv.children;
|
||
if (!this.#allResizerDivs) {
|
||
this.#allResizerDivs = Array.from(children);
|
||
const boundResizerKeydown = this.#resizerKeydown.bind(this);
|
||
const boundResizerBlur = this.#resizerBlur.bind(this);
|
||
const signal = this._uiManager._signal;
|
||
for (const div of this.#allResizerDivs) {
|
||
const name = div.getAttribute("data-resizer-name");
|
||
div.setAttribute("role", "spinbutton");
|
||
div.addEventListener("keydown", boundResizerKeydown, {
|
||
signal
|
||
});
|
||
div.addEventListener("blur", boundResizerBlur, {
|
||
signal
|
||
});
|
||
div.addEventListener("focus", this.#resizerFocus.bind(this, name), {
|
||
signal
|
||
});
|
||
div.setAttribute("data-l10n-id", AnnotationEditor._l10nResizer[name]);
|
||
}
|
||
}
|
||
const first = this.#allResizerDivs[0];
|
||
let firstPosition = 0;
|
||
for (const div of children) {
|
||
if (div === first) {
|
||
break;
|
||
}
|
||
firstPosition++;
|
||
}
|
||
const nextFirstPosition = (360 - this.rotation + this.parentRotation) % 360 / 90 * (this.#allResizerDivs.length / 4);
|
||
if (nextFirstPosition !== firstPosition) {
|
||
if (nextFirstPosition < firstPosition) {
|
||
for (let i = 0; i < firstPosition - nextFirstPosition; i++) {
|
||
this.#resizersDiv.append(this.#resizersDiv.firstChild);
|
||
}
|
||
} else if (nextFirstPosition > firstPosition) {
|
||
for (let i = 0; i < nextFirstPosition - firstPosition; i++) {
|
||
this.#resizersDiv.firstChild.before(this.#resizersDiv.lastChild);
|
||
}
|
||
}
|
||
let i = 0;
|
||
for (const child of children) {
|
||
const div = this.#allResizerDivs[i++];
|
||
const name = div.getAttribute("data-resizer-name");
|
||
child.setAttribute("data-l10n-id", AnnotationEditor._l10nResizer[name]);
|
||
}
|
||
}
|
||
this.#setResizerTabIndex(0);
|
||
this.#isResizerEnabledForKeyboard = true;
|
||
this.#resizersDiv.firstChild.focus({
|
||
focusVisible: true
|
||
});
|
||
event.preventDefault();
|
||
event.stopImmediatePropagation();
|
||
}
|
||
#resizerKeydown(event) {
|
||
AnnotationEditor._resizerKeyboardManager.exec(this, event);
|
||
}
|
||
#resizerBlur(event) {
|
||
if (this.#isResizerEnabledForKeyboard && event.relatedTarget?.parentNode !== this.#resizersDiv) {
|
||
this.#stopResizing();
|
||
}
|
||
}
|
||
#resizerFocus(name) {
|
||
this.#focusedResizerName = this.#isResizerEnabledForKeyboard ? name : "";
|
||
}
|
||
#setResizerTabIndex(value) {
|
||
if (!this.#allResizerDivs) {
|
||
return;
|
||
}
|
||
for (const div of this.#allResizerDivs) {
|
||
div.tabIndex = value;
|
||
}
|
||
}
|
||
_resizeWithKeyboard(x, y) {
|
||
if (!this.#isResizerEnabledForKeyboard) {
|
||
return;
|
||
}
|
||
this.#resizerPointermove(this.#focusedResizerName, {
|
||
deltaX: x,
|
||
deltaY: y,
|
||
fromKeyboard: true
|
||
});
|
||
}
|
||
#stopResizing() {
|
||
this.#isResizerEnabledForKeyboard = false;
|
||
this.#setResizerTabIndex(-1);
|
||
this.#addResizeToUndoStack();
|
||
}
|
||
_stopResizingWithKeyboard() {
|
||
this.#stopResizing();
|
||
this.div.focus();
|
||
}
|
||
select() {
|
||
this.makeResizable();
|
||
this.div?.classList.add("selectedEditor");
|
||
if (!this._editToolbar) {
|
||
this.addEditToolbar().then(() => {
|
||
if (this.div?.classList.contains("selectedEditor")) {
|
||
this._editToolbar?.show();
|
||
}
|
||
});
|
||
return;
|
||
}
|
||
this._editToolbar?.show();
|
||
this.#altText?.toggleAltTextBadge(false);
|
||
}
|
||
unselect() {
|
||
this.#resizersDiv?.classList.add("hidden");
|
||
this.div?.classList.remove("selectedEditor");
|
||
if (this.div?.contains(document.activeElement)) {
|
||
this._uiManager.currentLayer.div.focus({
|
||
preventScroll: true
|
||
});
|
||
}
|
||
this._editToolbar?.hide();
|
||
this.#altText?.toggleAltTextBadge(true);
|
||
}
|
||
updateParams(type, value) {}
|
||
disableEditing() {}
|
||
enableEditing() {}
|
||
enterInEditMode() {}
|
||
getImageForAltText() {
|
||
return null;
|
||
}
|
||
get contentDiv() {
|
||
return this.div;
|
||
}
|
||
get isEditing() {
|
||
return this.#isEditing;
|
||
}
|
||
set isEditing(value) {
|
||
this.#isEditing = value;
|
||
if (!this.parent) {
|
||
return;
|
||
}
|
||
if (value) {
|
||
this.parent.setSelected(this);
|
||
this.parent.setActiveEditor(this);
|
||
} else {
|
||
this.parent.setActiveEditor(null);
|
||
}
|
||
}
|
||
setAspectRatio(width, height) {
|
||
this.#keepAspectRatio = true;
|
||
const aspectRatio = width / height;
|
||
const {
|
||
style
|
||
} = this.div;
|
||
style.aspectRatio = aspectRatio;
|
||
style.height = "auto";
|
||
}
|
||
static get MIN_SIZE() {
|
||
return 16;
|
||
}
|
||
static canCreateNewEmptyEditor() {
|
||
return true;
|
||
}
|
||
get telemetryInitialData() {
|
||
return {
|
||
action: "added"
|
||
};
|
||
}
|
||
get telemetryFinalData() {
|
||
return null;
|
||
}
|
||
_reportTelemetry(data, mustWait = false) {
|
||
if (mustWait) {
|
||
this.#telemetryTimeouts ||= new Map();
|
||
const {
|
||
action
|
||
} = data;
|
||
let timeout = this.#telemetryTimeouts.get(action);
|
||
if (timeout) {
|
||
clearTimeout(timeout);
|
||
}
|
||
timeout = setTimeout(() => {
|
||
this._reportTelemetry(data);
|
||
this.#telemetryTimeouts.delete(action);
|
||
if (this.#telemetryTimeouts.size === 0) {
|
||
this.#telemetryTimeouts = null;
|
||
}
|
||
}, AnnotationEditor._telemetryTimeout);
|
||
this.#telemetryTimeouts.set(action, timeout);
|
||
return;
|
||
}
|
||
data.type ||= this.editorType;
|
||
this._uiManager._eventBus.dispatch("reporttelemetry", {
|
||
source: this,
|
||
details: {
|
||
type: "editing",
|
||
data
|
||
}
|
||
});
|
||
}
|
||
show(visible = this._isVisible) {
|
||
this.div.classList.toggle("hidden", !visible);
|
||
this._isVisible = visible;
|
||
}
|
||
enable() {
|
||
if (this.div) {
|
||
this.div.tabIndex = 0;
|
||
}
|
||
this.#disabled = false;
|
||
}
|
||
disable() {
|
||
if (this.div) {
|
||
this.div.tabIndex = -1;
|
||
}
|
||
this.#disabled = true;
|
||
}
|
||
renderAnnotationElement(annotation) {
|
||
let content = annotation.container.querySelector(".annotationContent");
|
||
if (!content) {
|
||
content = document.createElement("div");
|
||
content.classList.add("annotationContent", this.editorType);
|
||
annotation.container.prepend(content);
|
||
} else if (content.nodeName === "CANVAS") {
|
||
const canvas = content;
|
||
content = document.createElement("div");
|
||
content.classList.add("annotationContent", this.editorType);
|
||
canvas.before(content);
|
||
}
|
||
return content;
|
||
}
|
||
resetAnnotationElement(annotation) {
|
||
const {
|
||
firstChild
|
||
} = annotation.container;
|
||
if (firstChild?.nodeName === "DIV" && firstChild.classList.contains("annotationContent")) {
|
||
firstChild.remove();
|
||
}
|
||
}
|
||
}
|
||
class FakeEditor extends AnnotationEditor {
|
||
constructor(params) {
|
||
super(params);
|
||
this.annotationElementId = params.annotationElementId;
|
||
this.deleted = true;
|
||
}
|
||
serialize() {
|
||
return this.serializeDeleted();
|
||
}
|
||
}
|
||
|
||
;// ./src/shared/murmurhash3.js
|
||
const SEED = 0xc3d2e1f0;
|
||
const MASK_HIGH = 0xffff0000;
|
||
const MASK_LOW = 0xffff;
|
||
class MurmurHash3_64 {
|
||
constructor(seed) {
|
||
this.h1 = seed ? seed & 0xffffffff : SEED;
|
||
this.h2 = seed ? seed & 0xffffffff : SEED;
|
||
}
|
||
update(input) {
|
||
let data, length;
|
||
if (typeof input === "string") {
|
||
data = new Uint8Array(input.length * 2);
|
||
length = 0;
|
||
for (let i = 0, ii = input.length; i < ii; i++) {
|
||
const code = input.charCodeAt(i);
|
||
if (code <= 0xff) {
|
||
data[length++] = code;
|
||
} else {
|
||
data[length++] = code >>> 8;
|
||
data[length++] = code & 0xff;
|
||
}
|
||
}
|
||
} else if (ArrayBuffer.isView(input)) {
|
||
data = input.slice();
|
||
length = data.byteLength;
|
||
} else {
|
||
throw new Error("Invalid data format, must be a string or TypedArray.");
|
||
}
|
||
const blockCounts = length >> 2;
|
||
const tailLength = length - blockCounts * 4;
|
||
const dataUint32 = new Uint32Array(data.buffer, 0, blockCounts);
|
||
let k1 = 0,
|
||
k2 = 0;
|
||
let h1 = this.h1,
|
||
h2 = this.h2;
|
||
const C1 = 0xcc9e2d51,
|
||
C2 = 0x1b873593;
|
||
const C1_LOW = C1 & MASK_LOW,
|
||
C2_LOW = C2 & MASK_LOW;
|
||
for (let i = 0; i < blockCounts; i++) {
|
||
if (i & 1) {
|
||
k1 = dataUint32[i];
|
||
k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
|
||
k1 = k1 << 15 | k1 >>> 17;
|
||
k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
|
||
h1 ^= k1;
|
||
h1 = h1 << 13 | h1 >>> 19;
|
||
h1 = h1 * 5 + 0xe6546b64;
|
||
} else {
|
||
k2 = dataUint32[i];
|
||
k2 = k2 * C1 & MASK_HIGH | k2 * C1_LOW & MASK_LOW;
|
||
k2 = k2 << 15 | k2 >>> 17;
|
||
k2 = k2 * C2 & MASK_HIGH | k2 * C2_LOW & MASK_LOW;
|
||
h2 ^= k2;
|
||
h2 = h2 << 13 | h2 >>> 19;
|
||
h2 = h2 * 5 + 0xe6546b64;
|
||
}
|
||
}
|
||
k1 = 0;
|
||
switch (tailLength) {
|
||
case 3:
|
||
k1 ^= data[blockCounts * 4 + 2] << 16;
|
||
case 2:
|
||
k1 ^= data[blockCounts * 4 + 1] << 8;
|
||
case 1:
|
||
k1 ^= data[blockCounts * 4];
|
||
k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
|
||
k1 = k1 << 15 | k1 >>> 17;
|
||
k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
|
||
if (blockCounts & 1) {
|
||
h1 ^= k1;
|
||
} else {
|
||
h2 ^= k1;
|
||
}
|
||
}
|
||
this.h1 = h1;
|
||
this.h2 = h2;
|
||
}
|
||
hexdigest() {
|
||
let h1 = this.h1,
|
||
h2 = this.h2;
|
||
h1 ^= h2 >>> 1;
|
||
h1 = h1 * 0xed558ccd & MASK_HIGH | h1 * 0x8ccd & MASK_LOW;
|
||
h2 = h2 * 0xff51afd7 & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16;
|
||
h1 ^= h2 >>> 1;
|
||
h1 = h1 * 0x1a85ec53 & MASK_HIGH | h1 * 0xec53 & MASK_LOW;
|
||
h2 = h2 * 0xc4ceb9fe & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16;
|
||
h1 ^= h2 >>> 1;
|
||
return (h1 >>> 0).toString(16).padStart(8, "0") + (h2 >>> 0).toString(16).padStart(8, "0");
|
||
}
|
||
}
|
||
|
||
;// ./src/display/annotation_storage.js
|
||
|
||
|
||
|
||
const SerializableEmpty = Object.freeze({
|
||
map: null,
|
||
hash: "",
|
||
transfer: undefined
|
||
});
|
||
class AnnotationStorage {
|
||
#modified = false;
|
||
#modifiedIds = null;
|
||
#storage = new Map();
|
||
constructor() {
|
||
this.onSetModified = null;
|
||
this.onResetModified = null;
|
||
this.onAnnotationEditor = null;
|
||
}
|
||
getValue(key, defaultValue) {
|
||
const value = this.#storage.get(key);
|
||
if (value === undefined) {
|
||
return defaultValue;
|
||
}
|
||
return Object.assign(defaultValue, value);
|
||
}
|
||
getRawValue(key) {
|
||
return this.#storage.get(key);
|
||
}
|
||
remove(key) {
|
||
this.#storage.delete(key);
|
||
if (this.#storage.size === 0) {
|
||
this.resetModified();
|
||
}
|
||
if (typeof this.onAnnotationEditor === "function") {
|
||
for (const value of this.#storage.values()) {
|
||
if (value instanceof AnnotationEditor) {
|
||
return;
|
||
}
|
||
}
|
||
this.onAnnotationEditor(null);
|
||
}
|
||
}
|
||
setValue(key, value) {
|
||
const obj = this.#storage.get(key);
|
||
let modified = false;
|
||
if (obj !== undefined) {
|
||
for (const [entry, val] of Object.entries(value)) {
|
||
if (obj[entry] !== val) {
|
||
modified = true;
|
||
obj[entry] = val;
|
||
}
|
||
}
|
||
} else {
|
||
modified = true;
|
||
this.#storage.set(key, value);
|
||
}
|
||
if (modified) {
|
||
this.#setModified();
|
||
}
|
||
if (value instanceof AnnotationEditor && typeof this.onAnnotationEditor === "function") {
|
||
this.onAnnotationEditor(value.constructor._type);
|
||
}
|
||
}
|
||
has(key) {
|
||
return this.#storage.has(key);
|
||
}
|
||
getAll() {
|
||
return this.#storage.size > 0 ? objectFromMap(this.#storage) : null;
|
||
}
|
||
setAll(obj) {
|
||
for (const [key, val] of Object.entries(obj)) {
|
||
this.setValue(key, val);
|
||
}
|
||
}
|
||
get size() {
|
||
return this.#storage.size;
|
||
}
|
||
#setModified() {
|
||
if (!this.#modified) {
|
||
this.#modified = true;
|
||
if (typeof this.onSetModified === "function") {
|
||
this.onSetModified();
|
||
}
|
||
}
|
||
}
|
||
resetModified() {
|
||
if (this.#modified) {
|
||
this.#modified = false;
|
||
if (typeof this.onResetModified === "function") {
|
||
this.onResetModified();
|
||
}
|
||
}
|
||
}
|
||
get print() {
|
||
return new PrintAnnotationStorage(this);
|
||
}
|
||
get serializable() {
|
||
if (this.#storage.size === 0) {
|
||
return SerializableEmpty;
|
||
}
|
||
const map = new Map(),
|
||
hash = new MurmurHash3_64(),
|
||
transfer = [];
|
||
const context = Object.create(null);
|
||
let hasBitmap = false;
|
||
for (const [key, val] of this.#storage) {
|
||
const serialized = val instanceof AnnotationEditor ? val.serialize(false, context) : val;
|
||
if (serialized) {
|
||
map.set(key, serialized);
|
||
hash.update(`${key}:${JSON.stringify(serialized)}`);
|
||
hasBitmap ||= !!serialized.bitmap;
|
||
}
|
||
}
|
||
if (hasBitmap) {
|
||
for (const value of map.values()) {
|
||
if (value.bitmap) {
|
||
transfer.push(value.bitmap);
|
||
}
|
||
}
|
||
}
|
||
return map.size > 0 ? {
|
||
map,
|
||
hash: hash.hexdigest(),
|
||
transfer
|
||
} : SerializableEmpty;
|
||
}
|
||
get editorStats() {
|
||
let stats = null;
|
||
const typeToEditor = new Map();
|
||
for (const value of this.#storage.values()) {
|
||
if (!(value instanceof AnnotationEditor)) {
|
||
continue;
|
||
}
|
||
const editorStats = value.telemetryFinalData;
|
||
if (!editorStats) {
|
||
continue;
|
||
}
|
||
const {
|
||
type
|
||
} = editorStats;
|
||
if (!typeToEditor.has(type)) {
|
||
typeToEditor.set(type, Object.getPrototypeOf(value).constructor);
|
||
}
|
||
stats ||= Object.create(null);
|
||
const map = stats[type] ||= new Map();
|
||
for (const [key, val] of Object.entries(editorStats)) {
|
||
if (key === "type") {
|
||
continue;
|
||
}
|
||
let counters = map.get(key);
|
||
if (!counters) {
|
||
counters = new Map();
|
||
map.set(key, counters);
|
||
}
|
||
const count = counters.get(val) ?? 0;
|
||
counters.set(val, count + 1);
|
||
}
|
||
}
|
||
for (const [type, editor] of typeToEditor) {
|
||
stats[type] = editor.computeTelemetryFinalData(stats[type]);
|
||
}
|
||
return stats;
|
||
}
|
||
resetModifiedIds() {
|
||
this.#modifiedIds = null;
|
||
}
|
||
get modifiedIds() {
|
||
if (this.#modifiedIds) {
|
||
return this.#modifiedIds;
|
||
}
|
||
const ids = [];
|
||
for (const value of this.#storage.values()) {
|
||
if (!(value instanceof AnnotationEditor) || !value.annotationElementId || !value.serialize()) {
|
||
continue;
|
||
}
|
||
ids.push(value.annotationElementId);
|
||
}
|
||
return this.#modifiedIds = {
|
||
ids: new Set(ids),
|
||
hash: ids.join(",")
|
||
};
|
||
}
|
||
}
|
||
class PrintAnnotationStorage extends AnnotationStorage {
|
||
#serializable;
|
||
constructor(parent) {
|
||
super();
|
||
const {
|
||
map,
|
||
hash,
|
||
transfer
|
||
} = parent.serializable;
|
||
const clone = structuredClone(map, transfer ? {
|
||
transfer
|
||
} : null);
|
||
this.#serializable = {
|
||
map: clone,
|
||
hash,
|
||
transfer
|
||
};
|
||
}
|
||
get print() {
|
||
unreachable("Should not call PrintAnnotationStorage.print");
|
||
}
|
||
get serializable() {
|
||
return this.#serializable;
|
||
}
|
||
get modifiedIds() {
|
||
return shadow(this, "modifiedIds", {
|
||
ids: new Set(),
|
||
hash: ""
|
||
});
|
||
}
|
||
}
|
||
|
||
;// ./src/display/font_loader.js
|
||
|
||
class FontLoader {
|
||
#systemFonts = new Set();
|
||
constructor({
|
||
ownerDocument = globalThis.document,
|
||
styleElement = null
|
||
}) {
|
||
this._document = ownerDocument;
|
||
this.nativeFontFaces = new Set();
|
||
this.styleElement = null;
|
||
this.loadingRequests = [];
|
||
this.loadTestFontId = 0;
|
||
}
|
||
addNativeFontFace(nativeFontFace) {
|
||
this.nativeFontFaces.add(nativeFontFace);
|
||
this._document.fonts.add(nativeFontFace);
|
||
}
|
||
removeNativeFontFace(nativeFontFace) {
|
||
this.nativeFontFaces.delete(nativeFontFace);
|
||
this._document.fonts.delete(nativeFontFace);
|
||
}
|
||
insertRule(rule) {
|
||
if (!this.styleElement) {
|
||
this.styleElement = this._document.createElement("style");
|
||
this._document.documentElement.getElementsByTagName("head")[0].append(this.styleElement);
|
||
}
|
||
const styleSheet = this.styleElement.sheet;
|
||
styleSheet.insertRule(rule, styleSheet.cssRules.length);
|
||
}
|
||
clear() {
|
||
for (const nativeFontFace of this.nativeFontFaces) {
|
||
this._document.fonts.delete(nativeFontFace);
|
||
}
|
||
this.nativeFontFaces.clear();
|
||
this.#systemFonts.clear();
|
||
if (this.styleElement) {
|
||
this.styleElement.remove();
|
||
this.styleElement = null;
|
||
}
|
||
}
|
||
async loadSystemFont({
|
||
systemFontInfo: info,
|
||
_inspectFont
|
||
}) {
|
||
if (!info || this.#systemFonts.has(info.loadedName)) {
|
||
return;
|
||
}
|
||
assert(!this.disableFontFace, "loadSystemFont shouldn't be called when `disableFontFace` is set.");
|
||
if (this.isFontLoadingAPISupported) {
|
||
const {
|
||
loadedName,
|
||
src,
|
||
style
|
||
} = info;
|
||
const fontFace = new FontFace(loadedName, src, style);
|
||
this.addNativeFontFace(fontFace);
|
||
try {
|
||
await fontFace.load();
|
||
this.#systemFonts.add(loadedName);
|
||
_inspectFont?.(info);
|
||
} catch {
|
||
warn(`Cannot load system font: ${info.baseFontName}, installing it could help to improve PDF rendering.`);
|
||
this.removeNativeFontFace(fontFace);
|
||
}
|
||
return;
|
||
}
|
||
unreachable("Not implemented: loadSystemFont without the Font Loading API.");
|
||
}
|
||
async bind(font) {
|
||
if (font.attached || font.missingFile && !font.systemFontInfo) {
|
||
return;
|
||
}
|
||
font.attached = true;
|
||
if (font.systemFontInfo) {
|
||
await this.loadSystemFont(font);
|
||
return;
|
||
}
|
||
if (this.isFontLoadingAPISupported) {
|
||
const nativeFontFace = font.createNativeFontFace();
|
||
if (nativeFontFace) {
|
||
this.addNativeFontFace(nativeFontFace);
|
||
try {
|
||
await nativeFontFace.loaded;
|
||
} catch (ex) {
|
||
warn(`Failed to load font '${nativeFontFace.family}': '${ex}'.`);
|
||
font.disableFontFace = true;
|
||
throw ex;
|
||
}
|
||
}
|
||
return;
|
||
}
|
||
const rule = font.createFontFaceRule();
|
||
if (rule) {
|
||
this.insertRule(rule);
|
||
if (this.isSyncFontLoadingSupported) {
|
||
return;
|
||
}
|
||
await new Promise(resolve => {
|
||
const request = this._queueLoadingCallback(resolve);
|
||
this._prepareFontLoadEvent(font, request);
|
||
});
|
||
}
|
||
}
|
||
get isFontLoadingAPISupported() {
|
||
const hasFonts = !!this._document?.fonts;
|
||
return shadow(this, "isFontLoadingAPISupported", hasFonts);
|
||
}
|
||
get isSyncFontLoadingSupported() {
|
||
let supported = false;
|
||
if (isNodeJS) {
|
||
supported = true;
|
||
} else if (typeof navigator !== "undefined" && typeof navigator?.userAgent === "string" && /Mozilla\/5.0.*?rv:\d+.*? Gecko/.test(navigator.userAgent)) {
|
||
supported = true;
|
||
}
|
||
return shadow(this, "isSyncFontLoadingSupported", supported);
|
||
}
|
||
_queueLoadingCallback(callback) {
|
||
function completeRequest() {
|
||
assert(!request.done, "completeRequest() cannot be called twice.");
|
||
request.done = true;
|
||
while (loadingRequests.length > 0 && loadingRequests[0].done) {
|
||
const otherRequest = loadingRequests.shift();
|
||
setTimeout(otherRequest.callback, 0);
|
||
}
|
||
}
|
||
const {
|
||
loadingRequests
|
||
} = this;
|
||
const request = {
|
||
done: false,
|
||
complete: completeRequest,
|
||
callback
|
||
};
|
||
loadingRequests.push(request);
|
||
return request;
|
||
}
|
||
get _loadTestFont() {
|
||
const testFont = atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA" + "FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA" + "ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA" + "AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1" + "AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD" + "6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM" + "AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D" + "IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA" + "AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA" + "AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB" + "AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY" + "AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA" + "AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA" + "AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC" + "AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3" + "Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj" + "FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==");
|
||
return shadow(this, "_loadTestFont", testFont);
|
||
}
|
||
_prepareFontLoadEvent(font, request) {
|
||
function int32(data, offset) {
|
||
return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
|
||
}
|
||
function spliceString(s, offset, remove, insert) {
|
||
const chunk1 = s.substring(0, offset);
|
||
const chunk2 = s.substring(offset + remove);
|
||
return chunk1 + insert + chunk2;
|
||
}
|
||
let i, ii;
|
||
const canvas = this._document.createElement("canvas");
|
||
canvas.width = 1;
|
||
canvas.height = 1;
|
||
const ctx = canvas.getContext("2d");
|
||
let called = 0;
|
||
function isFontReady(name, callback) {
|
||
if (++called > 30) {
|
||
warn("Load test font never loaded.");
|
||
callback();
|
||
return;
|
||
}
|
||
ctx.font = "30px " + name;
|
||
ctx.fillText(".", 0, 20);
|
||
const imageData = ctx.getImageData(0, 0, 1, 1);
|
||
if (imageData.data[3] > 0) {
|
||
callback();
|
||
return;
|
||
}
|
||
setTimeout(isFontReady.bind(null, name, callback));
|
||
}
|
||
const loadTestFontId = `lt${Date.now()}${this.loadTestFontId++}`;
|
||
let data = this._loadTestFont;
|
||
const COMMENT_OFFSET = 976;
|
||
data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
|
||
const CFF_CHECKSUM_OFFSET = 16;
|
||
const XXXX_VALUE = 0x58585858;
|
||
let checksum = int32(data, CFF_CHECKSUM_OFFSET);
|
||
for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
|
||
checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
|
||
}
|
||
if (i < loadTestFontId.length) {
|
||
checksum = checksum - XXXX_VALUE + int32(loadTestFontId + "XXX", i) | 0;
|
||
}
|
||
data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, string32(checksum));
|
||
const url = `url(data:font/opentype;base64,${btoa(data)});`;
|
||
const rule = `@font-face {font-family:"${loadTestFontId}";src:${url}}`;
|
||
this.insertRule(rule);
|
||
const div = this._document.createElement("div");
|
||
div.style.visibility = "hidden";
|
||
div.style.width = div.style.height = "10px";
|
||
div.style.position = "absolute";
|
||
div.style.top = div.style.left = "0px";
|
||
for (const name of [font.loadedName, loadTestFontId]) {
|
||
const span = this._document.createElement("span");
|
||
span.textContent = "Hi";
|
||
span.style.fontFamily = name;
|
||
div.append(span);
|
||
}
|
||
this._document.body.append(div);
|
||
isFontReady(loadTestFontId, () => {
|
||
div.remove();
|
||
request.complete();
|
||
});
|
||
}
|
||
}
|
||
class FontFaceObject {
|
||
constructor(translatedData, {
|
||
disableFontFace = false,
|
||
fontExtraProperties = false,
|
||
inspectFont = null
|
||
}) {
|
||
this.compiledGlyphs = Object.create(null);
|
||
for (const i in translatedData) {
|
||
this[i] = translatedData[i];
|
||
}
|
||
this.disableFontFace = disableFontFace === true;
|
||
this.fontExtraProperties = fontExtraProperties === true;
|
||
this._inspectFont = inspectFont;
|
||
}
|
||
createNativeFontFace() {
|
||
if (!this.data || this.disableFontFace) {
|
||
return null;
|
||
}
|
||
let nativeFontFace;
|
||
if (!this.cssFontInfo) {
|
||
nativeFontFace = new FontFace(this.loadedName, this.data, {});
|
||
} else {
|
||
const css = {
|
||
weight: this.cssFontInfo.fontWeight
|
||
};
|
||
if (this.cssFontInfo.italicAngle) {
|
||
css.style = `oblique ${this.cssFontInfo.italicAngle}deg`;
|
||
}
|
||
nativeFontFace = new FontFace(this.cssFontInfo.fontFamily, this.data, css);
|
||
}
|
||
this._inspectFont?.(this);
|
||
return nativeFontFace;
|
||
}
|
||
createFontFaceRule() {
|
||
if (!this.data || this.disableFontFace) {
|
||
return null;
|
||
}
|
||
const url = `url(data:${this.mimetype};base64,${toBase64Util(this.data)});`;
|
||
let rule;
|
||
if (!this.cssFontInfo) {
|
||
rule = `@font-face {font-family:"${this.loadedName}";src:${url}}`;
|
||
} else {
|
||
let css = `font-weight: ${this.cssFontInfo.fontWeight};`;
|
||
if (this.cssFontInfo.italicAngle) {
|
||
css += `font-style: oblique ${this.cssFontInfo.italicAngle}deg;`;
|
||
}
|
||
rule = `@font-face {font-family:"${this.cssFontInfo.fontFamily}";${css}src:${url}}`;
|
||
}
|
||
this._inspectFont?.(this, url);
|
||
return rule;
|
||
}
|
||
getPathGenerator(objs, character) {
|
||
if (this.compiledGlyphs[character] !== undefined) {
|
||
return this.compiledGlyphs[character];
|
||
}
|
||
const objId = this.loadedName + "_path_" + character;
|
||
let cmds;
|
||
try {
|
||
cmds = objs.get(objId);
|
||
} catch (ex) {
|
||
warn(`getPathGenerator - ignoring character: "${ex}".`);
|
||
}
|
||
const path = new Path2D(cmds || "");
|
||
if (!this.fontExtraProperties) {
|
||
objs.delete(objId);
|
||
}
|
||
return this.compiledGlyphs[character] = path;
|
||
}
|
||
}
|
||
|
||
;// ./src/shared/message_handler.js
|
||
|
||
const CallbackKind = {
|
||
DATA: 1,
|
||
ERROR: 2
|
||
};
|
||
const StreamKind = {
|
||
CANCEL: 1,
|
||
CANCEL_COMPLETE: 2,
|
||
CLOSE: 3,
|
||
ENQUEUE: 4,
|
||
ERROR: 5,
|
||
PULL: 6,
|
||
PULL_COMPLETE: 7,
|
||
START_COMPLETE: 8
|
||
};
|
||
function onFn() {}
|
||
function wrapReason(ex) {
|
||
if (ex instanceof AbortException || ex instanceof InvalidPDFException || ex instanceof MissingPDFException || ex instanceof PasswordException || ex instanceof UnexpectedResponseException || ex instanceof UnknownErrorException) {
|
||
return ex;
|
||
}
|
||
if (!(ex instanceof Error || typeof ex === "object" && ex !== null)) {
|
||
unreachable('wrapReason: Expected "reason" to be a (possibly cloned) Error.');
|
||
}
|
||
switch (ex.name) {
|
||
case "AbortException":
|
||
return new AbortException(ex.message);
|
||
case "InvalidPDFException":
|
||
return new InvalidPDFException(ex.message);
|
||
case "MissingPDFException":
|
||
return new MissingPDFException(ex.message);
|
||
case "PasswordException":
|
||
return new PasswordException(ex.message, ex.code);
|
||
case "UnexpectedResponseException":
|
||
return new UnexpectedResponseException(ex.message, ex.status);
|
||
case "UnknownErrorException":
|
||
return new UnknownErrorException(ex.message, ex.details);
|
||
}
|
||
return new UnknownErrorException(ex.message, ex.toString());
|
||
}
|
||
class MessageHandler {
|
||
#messageAC = new AbortController();
|
||
constructor(sourceName, targetName, comObj) {
|
||
this.sourceName = sourceName;
|
||
this.targetName = targetName;
|
||
this.comObj = comObj;
|
||
this.callbackId = 1;
|
||
this.streamId = 1;
|
||
this.streamSinks = Object.create(null);
|
||
this.streamControllers = Object.create(null);
|
||
this.callbackCapabilities = Object.create(null);
|
||
this.actionHandler = Object.create(null);
|
||
comObj.addEventListener("message", this.#onMessage.bind(this), {
|
||
signal: this.#messageAC.signal
|
||
});
|
||
}
|
||
#onMessage({
|
||
data
|
||
}) {
|
||
if (data.targetName !== this.sourceName) {
|
||
return;
|
||
}
|
||
if (data.stream) {
|
||
this.#processStreamMessage(data);
|
||
return;
|
||
}
|
||
if (data.callback) {
|
||
const callbackId = data.callbackId;
|
||
const capability = this.callbackCapabilities[callbackId];
|
||
if (!capability) {
|
||
throw new Error(`Cannot resolve callback ${callbackId}`);
|
||
}
|
||
delete this.callbackCapabilities[callbackId];
|
||
if (data.callback === CallbackKind.DATA) {
|
||
capability.resolve(data.data);
|
||
} else if (data.callback === CallbackKind.ERROR) {
|
||
capability.reject(wrapReason(data.reason));
|
||
} else {
|
||
throw new Error("Unexpected callback case");
|
||
}
|
||
return;
|
||
}
|
||
const action = this.actionHandler[data.action];
|
||
if (!action) {
|
||
throw new Error(`Unknown action from worker: ${data.action}`);
|
||
}
|
||
if (data.callbackId) {
|
||
const sourceName = this.sourceName,
|
||
targetName = data.sourceName,
|
||
comObj = this.comObj;
|
||
Promise.try(action, data.data).then(function (result) {
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
callback: CallbackKind.DATA,
|
||
callbackId: data.callbackId,
|
||
data: result
|
||
});
|
||
}, function (reason) {
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
callback: CallbackKind.ERROR,
|
||
callbackId: data.callbackId,
|
||
reason: wrapReason(reason)
|
||
});
|
||
});
|
||
return;
|
||
}
|
||
if (data.streamId) {
|
||
this.#createStreamSink(data);
|
||
return;
|
||
}
|
||
action(data.data);
|
||
}
|
||
on(actionName, handler) {
|
||
const ah = this.actionHandler;
|
||
if (ah[actionName]) {
|
||
throw new Error(`There is already an actionName called "${actionName}"`);
|
||
}
|
||
ah[actionName] = handler;
|
||
}
|
||
send(actionName, data, transfers) {
|
||
this.comObj.postMessage({
|
||
sourceName: this.sourceName,
|
||
targetName: this.targetName,
|
||
action: actionName,
|
||
data
|
||
}, transfers);
|
||
}
|
||
sendWithPromise(actionName, data, transfers) {
|
||
const callbackId = this.callbackId++;
|
||
const capability = Promise.withResolvers();
|
||
this.callbackCapabilities[callbackId] = capability;
|
||
try {
|
||
this.comObj.postMessage({
|
||
sourceName: this.sourceName,
|
||
targetName: this.targetName,
|
||
action: actionName,
|
||
callbackId,
|
||
data
|
||
}, transfers);
|
||
} catch (ex) {
|
||
capability.reject(ex);
|
||
}
|
||
return capability.promise;
|
||
}
|
||
sendWithStream(actionName, data, queueingStrategy, transfers) {
|
||
const streamId = this.streamId++,
|
||
sourceName = this.sourceName,
|
||
targetName = this.targetName,
|
||
comObj = this.comObj;
|
||
return new ReadableStream({
|
||
start: controller => {
|
||
const startCapability = Promise.withResolvers();
|
||
this.streamControllers[streamId] = {
|
||
controller,
|
||
startCall: startCapability,
|
||
pullCall: null,
|
||
cancelCall: null,
|
||
isClosed: false
|
||
};
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
action: actionName,
|
||
streamId,
|
||
data,
|
||
desiredSize: controller.desiredSize
|
||
}, transfers);
|
||
return startCapability.promise;
|
||
},
|
||
pull: controller => {
|
||
const pullCapability = Promise.withResolvers();
|
||
this.streamControllers[streamId].pullCall = pullCapability;
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
stream: StreamKind.PULL,
|
||
streamId,
|
||
desiredSize: controller.desiredSize
|
||
});
|
||
return pullCapability.promise;
|
||
},
|
||
cancel: reason => {
|
||
assert(reason instanceof Error, "cancel must have a valid reason");
|
||
const cancelCapability = Promise.withResolvers();
|
||
this.streamControllers[streamId].cancelCall = cancelCapability;
|
||
this.streamControllers[streamId].isClosed = true;
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
stream: StreamKind.CANCEL,
|
||
streamId,
|
||
reason: wrapReason(reason)
|
||
});
|
||
return cancelCapability.promise;
|
||
}
|
||
}, queueingStrategy);
|
||
}
|
||
#createStreamSink(data) {
|
||
const streamId = data.streamId,
|
||
sourceName = this.sourceName,
|
||
targetName = data.sourceName,
|
||
comObj = this.comObj;
|
||
const self = this,
|
||
action = this.actionHandler[data.action];
|
||
const streamSink = {
|
||
enqueue(chunk, size = 1, transfers) {
|
||
if (this.isCancelled) {
|
||
return;
|
||
}
|
||
const lastDesiredSize = this.desiredSize;
|
||
this.desiredSize -= size;
|
||
if (lastDesiredSize > 0 && this.desiredSize <= 0) {
|
||
this.sinkCapability = Promise.withResolvers();
|
||
this.ready = this.sinkCapability.promise;
|
||
}
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
stream: StreamKind.ENQUEUE,
|
||
streamId,
|
||
chunk
|
||
}, transfers);
|
||
},
|
||
close() {
|
||
if (this.isCancelled) {
|
||
return;
|
||
}
|
||
this.isCancelled = true;
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
stream: StreamKind.CLOSE,
|
||
streamId
|
||
});
|
||
delete self.streamSinks[streamId];
|
||
},
|
||
error(reason) {
|
||
assert(reason instanceof Error, "error must have a valid reason");
|
||
if (this.isCancelled) {
|
||
return;
|
||
}
|
||
this.isCancelled = true;
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
stream: StreamKind.ERROR,
|
||
streamId,
|
||
reason: wrapReason(reason)
|
||
});
|
||
},
|
||
sinkCapability: Promise.withResolvers(),
|
||
onPull: null,
|
||
onCancel: null,
|
||
isCancelled: false,
|
||
desiredSize: data.desiredSize,
|
||
ready: null
|
||
};
|
||
streamSink.sinkCapability.resolve();
|
||
streamSink.ready = streamSink.sinkCapability.promise;
|
||
this.streamSinks[streamId] = streamSink;
|
||
Promise.try(action, data.data, streamSink).then(function () {
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
stream: StreamKind.START_COMPLETE,
|
||
streamId,
|
||
success: true
|
||
});
|
||
}, function (reason) {
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
stream: StreamKind.START_COMPLETE,
|
||
streamId,
|
||
reason: wrapReason(reason)
|
||
});
|
||
});
|
||
}
|
||
#processStreamMessage(data) {
|
||
const streamId = data.streamId,
|
||
sourceName = this.sourceName,
|
||
targetName = data.sourceName,
|
||
comObj = this.comObj;
|
||
const streamController = this.streamControllers[streamId],
|
||
streamSink = this.streamSinks[streamId];
|
||
switch (data.stream) {
|
||
case StreamKind.START_COMPLETE:
|
||
if (data.success) {
|
||
streamController.startCall.resolve();
|
||
} else {
|
||
streamController.startCall.reject(wrapReason(data.reason));
|
||
}
|
||
break;
|
||
case StreamKind.PULL_COMPLETE:
|
||
if (data.success) {
|
||
streamController.pullCall.resolve();
|
||
} else {
|
||
streamController.pullCall.reject(wrapReason(data.reason));
|
||
}
|
||
break;
|
||
case StreamKind.PULL:
|
||
if (!streamSink) {
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
stream: StreamKind.PULL_COMPLETE,
|
||
streamId,
|
||
success: true
|
||
});
|
||
break;
|
||
}
|
||
if (streamSink.desiredSize <= 0 && data.desiredSize > 0) {
|
||
streamSink.sinkCapability.resolve();
|
||
}
|
||
streamSink.desiredSize = data.desiredSize;
|
||
Promise.try(streamSink.onPull || onFn).then(function () {
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
stream: StreamKind.PULL_COMPLETE,
|
||
streamId,
|
||
success: true
|
||
});
|
||
}, function (reason) {
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
stream: StreamKind.PULL_COMPLETE,
|
||
streamId,
|
||
reason: wrapReason(reason)
|
||
});
|
||
});
|
||
break;
|
||
case StreamKind.ENQUEUE:
|
||
assert(streamController, "enqueue should have stream controller");
|
||
if (streamController.isClosed) {
|
||
break;
|
||
}
|
||
streamController.controller.enqueue(data.chunk);
|
||
break;
|
||
case StreamKind.CLOSE:
|
||
assert(streamController, "close should have stream controller");
|
||
if (streamController.isClosed) {
|
||
break;
|
||
}
|
||
streamController.isClosed = true;
|
||
streamController.controller.close();
|
||
this.#deleteStreamController(streamController, streamId);
|
||
break;
|
||
case StreamKind.ERROR:
|
||
assert(streamController, "error should have stream controller");
|
||
streamController.controller.error(wrapReason(data.reason));
|
||
this.#deleteStreamController(streamController, streamId);
|
||
break;
|
||
case StreamKind.CANCEL_COMPLETE:
|
||
if (data.success) {
|
||
streamController.cancelCall.resolve();
|
||
} else {
|
||
streamController.cancelCall.reject(wrapReason(data.reason));
|
||
}
|
||
this.#deleteStreamController(streamController, streamId);
|
||
break;
|
||
case StreamKind.CANCEL:
|
||
if (!streamSink) {
|
||
break;
|
||
}
|
||
const dataReason = wrapReason(data.reason);
|
||
Promise.try(streamSink.onCancel || onFn, dataReason).then(function () {
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
stream: StreamKind.CANCEL_COMPLETE,
|
||
streamId,
|
||
success: true
|
||
});
|
||
}, function (reason) {
|
||
comObj.postMessage({
|
||
sourceName,
|
||
targetName,
|
||
stream: StreamKind.CANCEL_COMPLETE,
|
||
streamId,
|
||
reason: wrapReason(reason)
|
||
});
|
||
});
|
||
streamSink.sinkCapability.reject(dataReason);
|
||
streamSink.isCancelled = true;
|
||
delete this.streamSinks[streamId];
|
||
break;
|
||
default:
|
||
throw new Error("Unexpected stream case");
|
||
}
|
||
}
|
||
async #deleteStreamController(streamController, streamId) {
|
||
await Promise.allSettled([streamController.startCall?.promise, streamController.pullCall?.promise, streamController.cancelCall?.promise]);
|
||
delete this.streamControllers[streamId];
|
||
}
|
||
destroy() {
|
||
this.#messageAC?.abort();
|
||
this.#messageAC = null;
|
||
}
|
||
}
|
||
|
||
;// ./src/display/canvas_factory.js
|
||
|
||
class BaseCanvasFactory {
|
||
#enableHWA = false;
|
||
constructor({
|
||
enableHWA = false
|
||
}) {
|
||
this.#enableHWA = enableHWA;
|
||
}
|
||
create(width, height) {
|
||
if (width <= 0 || height <= 0) {
|
||
throw new Error("Invalid canvas size");
|
||
}
|
||
const canvas = this._createCanvas(width, height);
|
||
return {
|
||
canvas,
|
||
context: canvas.getContext("2d", {
|
||
willReadFrequently: !this.#enableHWA
|
||
})
|
||
};
|
||
}
|
||
reset(canvasAndContext, width, height) {
|
||
if (!canvasAndContext.canvas) {
|
||
throw new Error("Canvas is not specified");
|
||
}
|
||
if (width <= 0 || height <= 0) {
|
||
throw new Error("Invalid canvas size");
|
||
}
|
||
canvasAndContext.canvas.width = width;
|
||
canvasAndContext.canvas.height = height;
|
||
}
|
||
destroy(canvasAndContext) {
|
||
if (!canvasAndContext.canvas) {
|
||
throw new Error("Canvas is not specified");
|
||
}
|
||
canvasAndContext.canvas.width = 0;
|
||
canvasAndContext.canvas.height = 0;
|
||
canvasAndContext.canvas = null;
|
||
canvasAndContext.context = null;
|
||
}
|
||
_createCanvas(width, height) {
|
||
unreachable("Abstract method `_createCanvas` called.");
|
||
}
|
||
}
|
||
class DOMCanvasFactory extends BaseCanvasFactory {
|
||
constructor({
|
||
ownerDocument = globalThis.document,
|
||
enableHWA = false
|
||
}) {
|
||
super({
|
||
enableHWA
|
||
});
|
||
this._document = ownerDocument;
|
||
}
|
||
_createCanvas(width, height) {
|
||
const canvas = this._document.createElement("canvas");
|
||
canvas.width = width;
|
||
canvas.height = height;
|
||
return canvas;
|
||
}
|
||
}
|
||
|
||
;// ./src/display/cmap_reader_factory.js
|
||
|
||
|
||
class BaseCMapReaderFactory {
|
||
constructor({
|
||
baseUrl = null,
|
||
isCompressed = true
|
||
}) {
|
||
this.baseUrl = baseUrl;
|
||
this.isCompressed = isCompressed;
|
||
}
|
||
async fetch({
|
||
name
|
||
}) {
|
||
if (!this.baseUrl) {
|
||
throw new Error("Ensure that the `cMapUrl` and `cMapPacked` API parameters are provided.");
|
||
}
|
||
if (!name) {
|
||
throw new Error("CMap name must be specified.");
|
||
}
|
||
const url = this.baseUrl + name + (this.isCompressed ? ".bcmap" : "");
|
||
return this._fetch(url).then(cMapData => ({
|
||
cMapData,
|
||
isCompressed: this.isCompressed
|
||
})).catch(reason => {
|
||
throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}CMap at: ${url}`);
|
||
});
|
||
}
|
||
async _fetch(url) {
|
||
unreachable("Abstract method `_fetch` called.");
|
||
}
|
||
}
|
||
class DOMCMapReaderFactory extends BaseCMapReaderFactory {
|
||
async _fetch(url) {
|
||
const data = await fetchData(url, this.isCompressed ? "arraybuffer" : "text");
|
||
return data instanceof ArrayBuffer ? new Uint8Array(data) : stringToBytes(data);
|
||
}
|
||
}
|
||
|
||
;// ./src/display/filter_factory.js
|
||
|
||
|
||
class BaseFilterFactory {
|
||
addFilter(maps) {
|
||
return "none";
|
||
}
|
||
addHCMFilter(fgColor, bgColor) {
|
||
return "none";
|
||
}
|
||
addAlphaFilter(map) {
|
||
return "none";
|
||
}
|
||
addLuminosityFilter(map) {
|
||
return "none";
|
||
}
|
||
addHighlightHCMFilter(filterName, fgColor, bgColor, newFgColor, newBgColor) {
|
||
return "none";
|
||
}
|
||
destroy(keepHCM = false) {}
|
||
}
|
||
class DOMFilterFactory extends BaseFilterFactory {
|
||
#baseUrl;
|
||
#_cache;
|
||
#_defs;
|
||
#docId;
|
||
#document;
|
||
#_hcmCache;
|
||
#id = 0;
|
||
constructor({
|
||
docId,
|
||
ownerDocument = globalThis.document
|
||
}) {
|
||
super();
|
||
this.#docId = docId;
|
||
this.#document = ownerDocument;
|
||
}
|
||
get #cache() {
|
||
return this.#_cache ||= new Map();
|
||
}
|
||
get #hcmCache() {
|
||
return this.#_hcmCache ||= new Map();
|
||
}
|
||
get #defs() {
|
||
if (!this.#_defs) {
|
||
const div = this.#document.createElement("div");
|
||
const {
|
||
style
|
||
} = div;
|
||
style.visibility = "hidden";
|
||
style.contain = "strict";
|
||
style.width = style.height = 0;
|
||
style.position = "absolute";
|
||
style.top = style.left = 0;
|
||
style.zIndex = -1;
|
||
const svg = this.#document.createElementNS(SVG_NS, "svg");
|
||
svg.setAttribute("width", 0);
|
||
svg.setAttribute("height", 0);
|
||
this.#_defs = this.#document.createElementNS(SVG_NS, "defs");
|
||
div.append(svg);
|
||
svg.append(this.#_defs);
|
||
this.#document.body.append(div);
|
||
}
|
||
return this.#_defs;
|
||
}
|
||
#createTables(maps) {
|
||
if (maps.length === 1) {
|
||
const mapR = maps[0];
|
||
const buffer = new Array(256);
|
||
for (let i = 0; i < 256; i++) {
|
||
buffer[i] = mapR[i] / 255;
|
||
}
|
||
const table = buffer.join(",");
|
||
return [table, table, table];
|
||
}
|
||
const [mapR, mapG, mapB] = maps;
|
||
const bufferR = new Array(256);
|
||
const bufferG = new Array(256);
|
||
const bufferB = new Array(256);
|
||
for (let i = 0; i < 256; i++) {
|
||
bufferR[i] = mapR[i] / 255;
|
||
bufferG[i] = mapG[i] / 255;
|
||
bufferB[i] = mapB[i] / 255;
|
||
}
|
||
return [bufferR.join(","), bufferG.join(","), bufferB.join(",")];
|
||
}
|
||
#createUrl(id) {
|
||
if (this.#baseUrl === undefined) {
|
||
this.#baseUrl = "";
|
||
const url = this.#document.URL;
|
||
if (url !== this.#document.baseURI) {
|
||
if (isDataScheme(url)) {
|
||
warn('#createUrl: ignore "data:"-URL for performance reasons.');
|
||
} else {
|
||
this.#baseUrl = url.split("#", 1)[0];
|
||
}
|
||
}
|
||
}
|
||
return `url(${this.#baseUrl}#${id})`;
|
||
}
|
||
addFilter(maps) {
|
||
if (!maps) {
|
||
return "none";
|
||
}
|
||
let value = this.#cache.get(maps);
|
||
if (value) {
|
||
return value;
|
||
}
|
||
const [tableR, tableG, tableB] = this.#createTables(maps);
|
||
const key = maps.length === 1 ? tableR : `${tableR}${tableG}${tableB}`;
|
||
value = this.#cache.get(key);
|
||
if (value) {
|
||
this.#cache.set(maps, value);
|
||
return value;
|
||
}
|
||
const id = `g_${this.#docId}_transfer_map_${this.#id++}`;
|
||
const url = this.#createUrl(id);
|
||
this.#cache.set(maps, url);
|
||
this.#cache.set(key, url);
|
||
const filter = this.#createFilter(id);
|
||
this.#addTransferMapConversion(tableR, tableG, tableB, filter);
|
||
return url;
|
||
}
|
||
addHCMFilter(fgColor, bgColor) {
|
||
const key = `${fgColor}-${bgColor}`;
|
||
const filterName = "base";
|
||
let info = this.#hcmCache.get(filterName);
|
||
if (info?.key === key) {
|
||
return info.url;
|
||
}
|
||
if (info) {
|
||
info.filter?.remove();
|
||
info.key = key;
|
||
info.url = "none";
|
||
info.filter = null;
|
||
} else {
|
||
info = {
|
||
key,
|
||
url: "none",
|
||
filter: null
|
||
};
|
||
this.#hcmCache.set(filterName, info);
|
||
}
|
||
if (!fgColor || !bgColor) {
|
||
return info.url;
|
||
}
|
||
const fgRGB = this.#getRGB(fgColor);
|
||
fgColor = Util.makeHexColor(...fgRGB);
|
||
const bgRGB = this.#getRGB(bgColor);
|
||
bgColor = Util.makeHexColor(...bgRGB);
|
||
this.#defs.style.color = "";
|
||
if (fgColor === "#000000" && bgColor === "#ffffff" || fgColor === bgColor) {
|
||
return info.url;
|
||
}
|
||
const map = new Array(256);
|
||
for (let i = 0; i <= 255; i++) {
|
||
const x = i / 255;
|
||
map[i] = x <= 0.03928 ? x / 12.92 : ((x + 0.055) / 1.055) ** 2.4;
|
||
}
|
||
const table = map.join(",");
|
||
const id = `g_${this.#docId}_hcm_filter`;
|
||
const filter = info.filter = this.#createFilter(id);
|
||
this.#addTransferMapConversion(table, table, table, filter);
|
||
this.#addGrayConversion(filter);
|
||
const getSteps = (c, n) => {
|
||
const start = fgRGB[c] / 255;
|
||
const end = bgRGB[c] / 255;
|
||
const arr = new Array(n + 1);
|
||
for (let i = 0; i <= n; i++) {
|
||
arr[i] = start + i / n * (end - start);
|
||
}
|
||
return arr.join(",");
|
||
};
|
||
this.#addTransferMapConversion(getSteps(0, 5), getSteps(1, 5), getSteps(2, 5), filter);
|
||
info.url = this.#createUrl(id);
|
||
return info.url;
|
||
}
|
||
addAlphaFilter(map) {
|
||
let value = this.#cache.get(map);
|
||
if (value) {
|
||
return value;
|
||
}
|
||
const [tableA] = this.#createTables([map]);
|
||
const key = `alpha_${tableA}`;
|
||
value = this.#cache.get(key);
|
||
if (value) {
|
||
this.#cache.set(map, value);
|
||
return value;
|
||
}
|
||
const id = `g_${this.#docId}_alpha_map_${this.#id++}`;
|
||
const url = this.#createUrl(id);
|
||
this.#cache.set(map, url);
|
||
this.#cache.set(key, url);
|
||
const filter = this.#createFilter(id);
|
||
this.#addTransferMapAlphaConversion(tableA, filter);
|
||
return url;
|
||
}
|
||
addLuminosityFilter(map) {
|
||
let value = this.#cache.get(map || "luminosity");
|
||
if (value) {
|
||
return value;
|
||
}
|
||
let tableA, key;
|
||
if (map) {
|
||
[tableA] = this.#createTables([map]);
|
||
key = `luminosity_${tableA}`;
|
||
} else {
|
||
key = "luminosity";
|
||
}
|
||
value = this.#cache.get(key);
|
||
if (value) {
|
||
this.#cache.set(map, value);
|
||
return value;
|
||
}
|
||
const id = `g_${this.#docId}_luminosity_map_${this.#id++}`;
|
||
const url = this.#createUrl(id);
|
||
this.#cache.set(map, url);
|
||
this.#cache.set(key, url);
|
||
const filter = this.#createFilter(id);
|
||
this.#addLuminosityConversion(filter);
|
||
if (map) {
|
||
this.#addTransferMapAlphaConversion(tableA, filter);
|
||
}
|
||
return url;
|
||
}
|
||
addHighlightHCMFilter(filterName, fgColor, bgColor, newFgColor, newBgColor) {
|
||
const key = `${fgColor}-${bgColor}-${newFgColor}-${newBgColor}`;
|
||
let info = this.#hcmCache.get(filterName);
|
||
if (info?.key === key) {
|
||
return info.url;
|
||
}
|
||
if (info) {
|
||
info.filter?.remove();
|
||
info.key = key;
|
||
info.url = "none";
|
||
info.filter = null;
|
||
} else {
|
||
info = {
|
||
key,
|
||
url: "none",
|
||
filter: null
|
||
};
|
||
this.#hcmCache.set(filterName, info);
|
||
}
|
||
if (!fgColor || !bgColor) {
|
||
return info.url;
|
||
}
|
||
const [fgRGB, bgRGB] = [fgColor, bgColor].map(this.#getRGB.bind(this));
|
||
let fgGray = Math.round(0.2126 * fgRGB[0] + 0.7152 * fgRGB[1] + 0.0722 * fgRGB[2]);
|
||
let bgGray = Math.round(0.2126 * bgRGB[0] + 0.7152 * bgRGB[1] + 0.0722 * bgRGB[2]);
|
||
let [newFgRGB, newBgRGB] = [newFgColor, newBgColor].map(this.#getRGB.bind(this));
|
||
if (bgGray < fgGray) {
|
||
[fgGray, bgGray, newFgRGB, newBgRGB] = [bgGray, fgGray, newBgRGB, newFgRGB];
|
||
}
|
||
this.#defs.style.color = "";
|
||
const getSteps = (fg, bg, n) => {
|
||
const arr = new Array(256);
|
||
const step = (bgGray - fgGray) / n;
|
||
const newStart = fg / 255;
|
||
const newStep = (bg - fg) / (255 * n);
|
||
let prev = 0;
|
||
for (let i = 0; i <= n; i++) {
|
||
const k = Math.round(fgGray + i * step);
|
||
const value = newStart + i * newStep;
|
||
for (let j = prev; j <= k; j++) {
|
||
arr[j] = value;
|
||
}
|
||
prev = k + 1;
|
||
}
|
||
for (let i = prev; i < 256; i++) {
|
||
arr[i] = arr[prev - 1];
|
||
}
|
||
return arr.join(",");
|
||
};
|
||
const id = `g_${this.#docId}_hcm_${filterName}_filter`;
|
||
const filter = info.filter = this.#createFilter(id);
|
||
this.#addGrayConversion(filter);
|
||
this.#addTransferMapConversion(getSteps(newFgRGB[0], newBgRGB[0], 5), getSteps(newFgRGB[1], newBgRGB[1], 5), getSteps(newFgRGB[2], newBgRGB[2], 5), filter);
|
||
info.url = this.#createUrl(id);
|
||
return info.url;
|
||
}
|
||
destroy(keepHCM = false) {
|
||
if (keepHCM && this.#_hcmCache?.size) {
|
||
return;
|
||
}
|
||
this.#_defs?.parentNode.parentNode.remove();
|
||
this.#_defs = null;
|
||
this.#_cache?.clear();
|
||
this.#_cache = null;
|
||
this.#_hcmCache?.clear();
|
||
this.#_hcmCache = null;
|
||
this.#id = 0;
|
||
}
|
||
#addLuminosityConversion(filter) {
|
||
const feColorMatrix = this.#document.createElementNS(SVG_NS, "feColorMatrix");
|
||
feColorMatrix.setAttribute("type", "matrix");
|
||
feColorMatrix.setAttribute("values", "0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.3 0.59 0.11 0 0");
|
||
filter.append(feColorMatrix);
|
||
}
|
||
#addGrayConversion(filter) {
|
||
const feColorMatrix = this.#document.createElementNS(SVG_NS, "feColorMatrix");
|
||
feColorMatrix.setAttribute("type", "matrix");
|
||
feColorMatrix.setAttribute("values", "0.2126 0.7152 0.0722 0 0 0.2126 0.7152 0.0722 0 0 0.2126 0.7152 0.0722 0 0 0 0 0 1 0");
|
||
filter.append(feColorMatrix);
|
||
}
|
||
#createFilter(id) {
|
||
const filter = this.#document.createElementNS(SVG_NS, "filter");
|
||
filter.setAttribute("color-interpolation-filters", "sRGB");
|
||
filter.setAttribute("id", id);
|
||
this.#defs.append(filter);
|
||
return filter;
|
||
}
|
||
#appendFeFunc(feComponentTransfer, func, table) {
|
||
const feFunc = this.#document.createElementNS(SVG_NS, func);
|
||
feFunc.setAttribute("type", "discrete");
|
||
feFunc.setAttribute("tableValues", table);
|
||
feComponentTransfer.append(feFunc);
|
||
}
|
||
#addTransferMapConversion(rTable, gTable, bTable, filter) {
|
||
const feComponentTransfer = this.#document.createElementNS(SVG_NS, "feComponentTransfer");
|
||
filter.append(feComponentTransfer);
|
||
this.#appendFeFunc(feComponentTransfer, "feFuncR", rTable);
|
||
this.#appendFeFunc(feComponentTransfer, "feFuncG", gTable);
|
||
this.#appendFeFunc(feComponentTransfer, "feFuncB", bTable);
|
||
}
|
||
#addTransferMapAlphaConversion(aTable, filter) {
|
||
const feComponentTransfer = this.#document.createElementNS(SVG_NS, "feComponentTransfer");
|
||
filter.append(feComponentTransfer);
|
||
this.#appendFeFunc(feComponentTransfer, "feFuncA", aTable);
|
||
}
|
||
#getRGB(color) {
|
||
this.#defs.style.color = color;
|
||
return getRGB(getComputedStyle(this.#defs).getPropertyValue("color"));
|
||
}
|
||
}
|
||
|
||
;// ./src/display/standard_fontdata_factory.js
|
||
|
||
|
||
class BaseStandardFontDataFactory {
|
||
constructor({
|
||
baseUrl = null
|
||
}) {
|
||
this.baseUrl = baseUrl;
|
||
}
|
||
async fetch({
|
||
filename
|
||
}) {
|
||
if (!this.baseUrl) {
|
||
throw new Error("Ensure that the `standardFontDataUrl` API parameter is provided.");
|
||
}
|
||
if (!filename) {
|
||
throw new Error("Font filename must be specified.");
|
||
}
|
||
const url = `${this.baseUrl}${filename}`;
|
||
return this._fetch(url).catch(reason => {
|
||
throw new Error(`Unable to load font data at: ${url}`);
|
||
});
|
||
}
|
||
async _fetch(url) {
|
||
unreachable("Abstract method `_fetch` called.");
|
||
}
|
||
}
|
||
class DOMStandardFontDataFactory extends BaseStandardFontDataFactory {
|
||
async _fetch(url) {
|
||
const data = await fetchData(url, "arraybuffer");
|
||
return new Uint8Array(data);
|
||
}
|
||
}
|
||
|
||
;// ./src/display/node_utils.js
|
||
|
||
|
||
|
||
|
||
|
||
if (isNodeJS) {
|
||
warn("Please use the `legacy` build in Node.js environments.");
|
||
}
|
||
async function node_utils_fetchData(url) {
|
||
const fs = process.getBuiltinModule("fs");
|
||
const data = await fs.promises.readFile(url);
|
||
return new Uint8Array(data);
|
||
}
|
||
class NodeFilterFactory extends BaseFilterFactory {}
|
||
class NodeCanvasFactory extends BaseCanvasFactory {
|
||
_createCanvas(width, height) {
|
||
const require = process.getBuiltinModule("module").createRequire(import.meta.url);
|
||
const canvas = require("@napi-rs/canvas");
|
||
return canvas.createCanvas(width, height);
|
||
}
|
||
}
|
||
class NodeCMapReaderFactory extends BaseCMapReaderFactory {
|
||
async _fetch(url) {
|
||
return node_utils_fetchData(url);
|
||
}
|
||
}
|
||
class NodeStandardFontDataFactory extends BaseStandardFontDataFactory {
|
||
async _fetch(url) {
|
||
return node_utils_fetchData(url);
|
||
}
|
||
}
|
||
|
||
;// ./src/display/pattern_helper.js
|
||
|
||
|
||
const PathType = {
|
||
FILL: "Fill",
|
||
STROKE: "Stroke",
|
||
SHADING: "Shading"
|
||
};
|
||
function applyBoundingBox(ctx, bbox) {
|
||
if (!bbox) {
|
||
return;
|
||
}
|
||
const width = bbox[2] - bbox[0];
|
||
const height = bbox[3] - bbox[1];
|
||
const region = new Path2D();
|
||
region.rect(bbox[0], bbox[1], width, height);
|
||
ctx.clip(region);
|
||
}
|
||
class BaseShadingPattern {
|
||
getPattern() {
|
||
unreachable("Abstract method `getPattern` called.");
|
||
}
|
||
}
|
||
class RadialAxialShadingPattern extends BaseShadingPattern {
|
||
constructor(IR) {
|
||
super();
|
||
this._type = IR[1];
|
||
this._bbox = IR[2];
|
||
this._colorStops = IR[3];
|
||
this._p0 = IR[4];
|
||
this._p1 = IR[5];
|
||
this._r0 = IR[6];
|
||
this._r1 = IR[7];
|
||
this.matrix = null;
|
||
}
|
||
_createGradient(ctx) {
|
||
let grad;
|
||
if (this._type === "axial") {
|
||
grad = ctx.createLinearGradient(this._p0[0], this._p0[1], this._p1[0], this._p1[1]);
|
||
} else if (this._type === "radial") {
|
||
grad = ctx.createRadialGradient(this._p0[0], this._p0[1], this._r0, this._p1[0], this._p1[1], this._r1);
|
||
}
|
||
for (const colorStop of this._colorStops) {
|
||
grad.addColorStop(colorStop[0], colorStop[1]);
|
||
}
|
||
return grad;
|
||
}
|
||
getPattern(ctx, owner, inverse, pathType) {
|
||
let pattern;
|
||
if (pathType === PathType.STROKE || pathType === PathType.FILL) {
|
||
const ownerBBox = owner.current.getClippedPathBoundingBox(pathType, getCurrentTransform(ctx)) || [0, 0, 0, 0];
|
||
const width = Math.ceil(ownerBBox[2] - ownerBBox[0]) || 1;
|
||
const height = Math.ceil(ownerBBox[3] - ownerBBox[1]) || 1;
|
||
const tmpCanvas = owner.cachedCanvases.getCanvas("pattern", width, height);
|
||
const tmpCtx = tmpCanvas.context;
|
||
tmpCtx.clearRect(0, 0, tmpCtx.canvas.width, tmpCtx.canvas.height);
|
||
tmpCtx.beginPath();
|
||
tmpCtx.rect(0, 0, tmpCtx.canvas.width, tmpCtx.canvas.height);
|
||
tmpCtx.translate(-ownerBBox[0], -ownerBBox[1]);
|
||
inverse = Util.transform(inverse, [1, 0, 0, 1, ownerBBox[0], ownerBBox[1]]);
|
||
tmpCtx.transform(...owner.baseTransform);
|
||
if (this.matrix) {
|
||
tmpCtx.transform(...this.matrix);
|
||
}
|
||
applyBoundingBox(tmpCtx, this._bbox);
|
||
tmpCtx.fillStyle = this._createGradient(tmpCtx);
|
||
tmpCtx.fill();
|
||
pattern = ctx.createPattern(tmpCanvas.canvas, "no-repeat");
|
||
const domMatrix = new DOMMatrix(inverse);
|
||
pattern.setTransform(domMatrix);
|
||
} else {
|
||
applyBoundingBox(ctx, this._bbox);
|
||
pattern = this._createGradient(ctx);
|
||
}
|
||
return pattern;
|
||
}
|
||
}
|
||
function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
|
||
const coords = context.coords,
|
||
colors = context.colors;
|
||
const bytes = data.data,
|
||
rowSize = data.width * 4;
|
||
let tmp;
|
||
if (coords[p1 + 1] > coords[p2 + 1]) {
|
||
tmp = p1;
|
||
p1 = p2;
|
||
p2 = tmp;
|
||
tmp = c1;
|
||
c1 = c2;
|
||
c2 = tmp;
|
||
}
|
||
if (coords[p2 + 1] > coords[p3 + 1]) {
|
||
tmp = p2;
|
||
p2 = p3;
|
||
p3 = tmp;
|
||
tmp = c2;
|
||
c2 = c3;
|
||
c3 = tmp;
|
||
}
|
||
if (coords[p1 + 1] > coords[p2 + 1]) {
|
||
tmp = p1;
|
||
p1 = p2;
|
||
p2 = tmp;
|
||
tmp = c1;
|
||
c1 = c2;
|
||
c2 = tmp;
|
||
}
|
||
const x1 = (coords[p1] + context.offsetX) * context.scaleX;
|
||
const y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
|
||
const x2 = (coords[p2] + context.offsetX) * context.scaleX;
|
||
const y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
|
||
const x3 = (coords[p3] + context.offsetX) * context.scaleX;
|
||
const y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
|
||
if (y1 >= y3) {
|
||
return;
|
||
}
|
||
const c1r = colors[c1],
|
||
c1g = colors[c1 + 1],
|
||
c1b = colors[c1 + 2];
|
||
const c2r = colors[c2],
|
||
c2g = colors[c2 + 1],
|
||
c2b = colors[c2 + 2];
|
||
const c3r = colors[c3],
|
||
c3g = colors[c3 + 1],
|
||
c3b = colors[c3 + 2];
|
||
const minY = Math.round(y1),
|
||
maxY = Math.round(y3);
|
||
let xa, car, cag, cab;
|
||
let xb, cbr, cbg, cbb;
|
||
for (let y = minY; y <= maxY; y++) {
|
||
if (y < y2) {
|
||
const k = y < y1 ? 0 : (y1 - y) / (y1 - y2);
|
||
xa = x1 - (x1 - x2) * k;
|
||
car = c1r - (c1r - c2r) * k;
|
||
cag = c1g - (c1g - c2g) * k;
|
||
cab = c1b - (c1b - c2b) * k;
|
||
} else {
|
||
let k;
|
||
if (y > y3) {
|
||
k = 1;
|
||
} else if (y2 === y3) {
|
||
k = 0;
|
||
} else {
|
||
k = (y2 - y) / (y2 - y3);
|
||
}
|
||
xa = x2 - (x2 - x3) * k;
|
||
car = c2r - (c2r - c3r) * k;
|
||
cag = c2g - (c2g - c3g) * k;
|
||
cab = c2b - (c2b - c3b) * k;
|
||
}
|
||
let k;
|
||
if (y < y1) {
|
||
k = 0;
|
||
} else if (y > y3) {
|
||
k = 1;
|
||
} else {
|
||
k = (y1 - y) / (y1 - y3);
|
||
}
|
||
xb = x1 - (x1 - x3) * k;
|
||
cbr = c1r - (c1r - c3r) * k;
|
||
cbg = c1g - (c1g - c3g) * k;
|
||
cbb = c1b - (c1b - c3b) * k;
|
||
const x1_ = Math.round(Math.min(xa, xb));
|
||
const x2_ = Math.round(Math.max(xa, xb));
|
||
let j = rowSize * y + x1_ * 4;
|
||
for (let x = x1_; x <= x2_; x++) {
|
||
k = (xa - x) / (xa - xb);
|
||
if (k < 0) {
|
||
k = 0;
|
||
} else if (k > 1) {
|
||
k = 1;
|
||
}
|
||
bytes[j++] = car - (car - cbr) * k | 0;
|
||
bytes[j++] = cag - (cag - cbg) * k | 0;
|
||
bytes[j++] = cab - (cab - cbb) * k | 0;
|
||
bytes[j++] = 255;
|
||
}
|
||
}
|
||
}
|
||
function drawFigure(data, figure, context) {
|
||
const ps = figure.coords;
|
||
const cs = figure.colors;
|
||
let i, ii;
|
||
switch (figure.type) {
|
||
case "lattice":
|
||
const verticesPerRow = figure.verticesPerRow;
|
||
const rows = Math.floor(ps.length / verticesPerRow) - 1;
|
||
const cols = verticesPerRow - 1;
|
||
for (i = 0; i < rows; i++) {
|
||
let q = i * verticesPerRow;
|
||
for (let j = 0; j < cols; j++, q++) {
|
||
drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
|
||
drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
|
||
}
|
||
}
|
||
break;
|
||
case "triangles":
|
||
for (i = 0, ii = ps.length; i < ii; i += 3) {
|
||
drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
|
||
}
|
||
break;
|
||
default:
|
||
throw new Error("illegal figure");
|
||
}
|
||
}
|
||
class MeshShadingPattern extends BaseShadingPattern {
|
||
constructor(IR) {
|
||
super();
|
||
this._coords = IR[2];
|
||
this._colors = IR[3];
|
||
this._figures = IR[4];
|
||
this._bounds = IR[5];
|
||
this._bbox = IR[7];
|
||
this._background = IR[8];
|
||
this.matrix = null;
|
||
}
|
||
_createMeshCanvas(combinedScale, backgroundColor, cachedCanvases) {
|
||
const EXPECTED_SCALE = 1.1;
|
||
const MAX_PATTERN_SIZE = 3000;
|
||
const BORDER_SIZE = 2;
|
||
const offsetX = Math.floor(this._bounds[0]);
|
||
const offsetY = Math.floor(this._bounds[1]);
|
||
const boundsWidth = Math.ceil(this._bounds[2]) - offsetX;
|
||
const boundsHeight = Math.ceil(this._bounds[3]) - offsetY;
|
||
const width = Math.min(Math.ceil(Math.abs(boundsWidth * combinedScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
|
||
const height = Math.min(Math.ceil(Math.abs(boundsHeight * combinedScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
|
||
const scaleX = boundsWidth / width;
|
||
const scaleY = boundsHeight / height;
|
||
const context = {
|
||
coords: this._coords,
|
||
colors: this._colors,
|
||
offsetX: -offsetX,
|
||
offsetY: -offsetY,
|
||
scaleX: 1 / scaleX,
|
||
scaleY: 1 / scaleY
|
||
};
|
||
const paddedWidth = width + BORDER_SIZE * 2;
|
||
const paddedHeight = height + BORDER_SIZE * 2;
|
||
const tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight);
|
||
const tmpCtx = tmpCanvas.context;
|
||
const data = tmpCtx.createImageData(width, height);
|
||
if (backgroundColor) {
|
||
const bytes = data.data;
|
||
for (let i = 0, ii = bytes.length; i < ii; i += 4) {
|
||
bytes[i] = backgroundColor[0];
|
||
bytes[i + 1] = backgroundColor[1];
|
||
bytes[i + 2] = backgroundColor[2];
|
||
bytes[i + 3] = 255;
|
||
}
|
||
}
|
||
for (const figure of this._figures) {
|
||
drawFigure(data, figure, context);
|
||
}
|
||
tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
|
||
const canvas = tmpCanvas.canvas;
|
||
return {
|
||
canvas,
|
||
offsetX: offsetX - BORDER_SIZE * scaleX,
|
||
offsetY: offsetY - BORDER_SIZE * scaleY,
|
||
scaleX,
|
||
scaleY
|
||
};
|
||
}
|
||
getPattern(ctx, owner, inverse, pathType) {
|
||
applyBoundingBox(ctx, this._bbox);
|
||
let scale;
|
||
if (pathType === PathType.SHADING) {
|
||
scale = Util.singularValueDecompose2dScale(getCurrentTransform(ctx));
|
||
} else {
|
||
scale = Util.singularValueDecompose2dScale(owner.baseTransform);
|
||
if (this.matrix) {
|
||
const matrixScale = Util.singularValueDecompose2dScale(this.matrix);
|
||
scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
|
||
}
|
||
}
|
||
const temporaryPatternCanvas = this._createMeshCanvas(scale, pathType === PathType.SHADING ? null : this._background, owner.cachedCanvases);
|
||
if (pathType !== PathType.SHADING) {
|
||
ctx.setTransform(...owner.baseTransform);
|
||
if (this.matrix) {
|
||
ctx.transform(...this.matrix);
|
||
}
|
||
}
|
||
ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
|
||
ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
|
||
return ctx.createPattern(temporaryPatternCanvas.canvas, "no-repeat");
|
||
}
|
||
}
|
||
class DummyShadingPattern extends BaseShadingPattern {
|
||
getPattern() {
|
||
return "hotpink";
|
||
}
|
||
}
|
||
function getShadingPattern(IR) {
|
||
switch (IR[0]) {
|
||
case "RadialAxial":
|
||
return new RadialAxialShadingPattern(IR);
|
||
case "Mesh":
|
||
return new MeshShadingPattern(IR);
|
||
case "Dummy":
|
||
return new DummyShadingPattern();
|
||
}
|
||
throw new Error(`Unknown IR type: ${IR[0]}`);
|
||
}
|
||
const PaintType = {
|
||
COLORED: 1,
|
||
UNCOLORED: 2
|
||
};
|
||
class TilingPattern {
|
||
static MAX_PATTERN_SIZE = 3000;
|
||
constructor(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
|
||
this.operatorList = IR[2];
|
||
this.matrix = IR[3];
|
||
this.bbox = IR[4];
|
||
this.xstep = IR[5];
|
||
this.ystep = IR[6];
|
||
this.paintType = IR[7];
|
||
this.tilingType = IR[8];
|
||
this.color = color;
|
||
this.ctx = ctx;
|
||
this.canvasGraphicsFactory = canvasGraphicsFactory;
|
||
this.baseTransform = baseTransform;
|
||
}
|
||
createPatternCanvas(owner) {
|
||
const {
|
||
bbox,
|
||
operatorList,
|
||
paintType,
|
||
tilingType,
|
||
color,
|
||
canvasGraphicsFactory
|
||
} = this;
|
||
let {
|
||
xstep,
|
||
ystep
|
||
} = this;
|
||
xstep = Math.abs(xstep);
|
||
ystep = Math.abs(ystep);
|
||
info("TilingType: " + tilingType);
|
||
const x0 = bbox[0],
|
||
y0 = bbox[1],
|
||
x1 = bbox[2],
|
||
y1 = bbox[3];
|
||
const width = x1 - x0;
|
||
const height = y1 - y0;
|
||
const matrixScale = Util.singularValueDecompose2dScale(this.matrix);
|
||
const curMatrixScale = Util.singularValueDecompose2dScale(this.baseTransform);
|
||
const combinedScaleX = matrixScale[0] * curMatrixScale[0];
|
||
const combinedScaleY = matrixScale[1] * curMatrixScale[1];
|
||
let canvasWidth = width,
|
||
canvasHeight = height,
|
||
redrawHorizontally = false,
|
||
redrawVertically = false;
|
||
const xScaledStep = Math.ceil(xstep * combinedScaleX);
|
||
const yScaledStep = Math.ceil(ystep * combinedScaleY);
|
||
const xScaledWidth = Math.ceil(width * combinedScaleX);
|
||
const yScaledHeight = Math.ceil(height * combinedScaleY);
|
||
if (xScaledStep >= xScaledWidth) {
|
||
canvasWidth = xstep;
|
||
} else {
|
||
redrawHorizontally = true;
|
||
}
|
||
if (yScaledStep >= yScaledHeight) {
|
||
canvasHeight = ystep;
|
||
} else {
|
||
redrawVertically = true;
|
||
}
|
||
const dimx = this.getSizeAndScale(canvasWidth, this.ctx.canvas.width, combinedScaleX);
|
||
const dimy = this.getSizeAndScale(canvasHeight, this.ctx.canvas.height, combinedScaleY);
|
||
const tmpCanvas = owner.cachedCanvases.getCanvas("pattern", dimx.size, dimy.size);
|
||
const tmpCtx = tmpCanvas.context;
|
||
const graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
|
||
graphics.groupLevel = owner.groupLevel;
|
||
this.setFillAndStrokeStyleToContext(graphics, paintType, color);
|
||
tmpCtx.translate(-dimx.scale * x0, -dimy.scale * y0);
|
||
graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);
|
||
tmpCtx.save();
|
||
this.clipBbox(graphics, x0, y0, x1, y1);
|
||
graphics.baseTransform = getCurrentTransform(graphics.ctx);
|
||
graphics.executeOperatorList(operatorList);
|
||
graphics.endDrawing();
|
||
tmpCtx.restore();
|
||
if (redrawHorizontally || redrawVertically) {
|
||
const image = tmpCanvas.canvas;
|
||
if (redrawHorizontally) {
|
||
canvasWidth = xstep;
|
||
}
|
||
if (redrawVertically) {
|
||
canvasHeight = ystep;
|
||
}
|
||
const dimx2 = this.getSizeAndScale(canvasWidth, this.ctx.canvas.width, combinedScaleX);
|
||
const dimy2 = this.getSizeAndScale(canvasHeight, this.ctx.canvas.height, combinedScaleY);
|
||
const xSize = dimx2.size;
|
||
const ySize = dimy2.size;
|
||
const tmpCanvas2 = owner.cachedCanvases.getCanvas("pattern-workaround", xSize, ySize);
|
||
const tmpCtx2 = tmpCanvas2.context;
|
||
const ii = redrawHorizontally ? Math.floor(width / xstep) : 0;
|
||
const jj = redrawVertically ? Math.floor(height / ystep) : 0;
|
||
for (let i = 0; i <= ii; i++) {
|
||
for (let j = 0; j <= jj; j++) {
|
||
tmpCtx2.drawImage(image, xSize * i, ySize * j, xSize, ySize, 0, 0, xSize, ySize);
|
||
}
|
||
}
|
||
return {
|
||
canvas: tmpCanvas2.canvas,
|
||
scaleX: dimx2.scale,
|
||
scaleY: dimy2.scale,
|
||
offsetX: x0,
|
||
offsetY: y0
|
||
};
|
||
}
|
||
return {
|
||
canvas: tmpCanvas.canvas,
|
||
scaleX: dimx.scale,
|
||
scaleY: dimy.scale,
|
||
offsetX: x0,
|
||
offsetY: y0
|
||
};
|
||
}
|
||
getSizeAndScale(step, realOutputSize, scale) {
|
||
const maxSize = Math.max(TilingPattern.MAX_PATTERN_SIZE, realOutputSize);
|
||
let size = Math.ceil(step * scale);
|
||
if (size >= maxSize) {
|
||
size = maxSize;
|
||
} else {
|
||
scale = size / step;
|
||
}
|
||
return {
|
||
scale,
|
||
size
|
||
};
|
||
}
|
||
clipBbox(graphics, x0, y0, x1, y1) {
|
||
const bboxWidth = x1 - x0;
|
||
const bboxHeight = y1 - y0;
|
||
graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
|
||
graphics.current.updateRectMinMax(getCurrentTransform(graphics.ctx), [x0, y0, x1, y1]);
|
||
graphics.clip();
|
||
graphics.endPath();
|
||
}
|
||
setFillAndStrokeStyleToContext(graphics, paintType, color) {
|
||
const context = graphics.ctx,
|
||
current = graphics.current;
|
||
switch (paintType) {
|
||
case PaintType.COLORED:
|
||
const ctx = this.ctx;
|
||
context.fillStyle = ctx.fillStyle;
|
||
context.strokeStyle = ctx.strokeStyle;
|
||
current.fillColor = ctx.fillStyle;
|
||
current.strokeColor = ctx.strokeStyle;
|
||
break;
|
||
case PaintType.UNCOLORED:
|
||
const cssColor = Util.makeHexColor(color[0], color[1], color[2]);
|
||
context.fillStyle = cssColor;
|
||
context.strokeStyle = cssColor;
|
||
current.fillColor = cssColor;
|
||
current.strokeColor = cssColor;
|
||
break;
|
||
default:
|
||
throw new FormatError(`Unsupported paint type: ${paintType}`);
|
||
}
|
||
}
|
||
getPattern(ctx, owner, inverse, pathType) {
|
||
let matrix = inverse;
|
||
if (pathType !== PathType.SHADING) {
|
||
matrix = Util.transform(matrix, owner.baseTransform);
|
||
if (this.matrix) {
|
||
matrix = Util.transform(matrix, this.matrix);
|
||
}
|
||
}
|
||
const temporaryPatternCanvas = this.createPatternCanvas(owner);
|
||
let domMatrix = new DOMMatrix(matrix);
|
||
domMatrix = domMatrix.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
|
||
domMatrix = domMatrix.scale(1 / temporaryPatternCanvas.scaleX, 1 / temporaryPatternCanvas.scaleY);
|
||
const pattern = ctx.createPattern(temporaryPatternCanvas.canvas, "repeat");
|
||
pattern.setTransform(domMatrix);
|
||
return pattern;
|
||
}
|
||
}
|
||
|
||
;// ./src/shared/image_utils.js
|
||
|
||
function convertToRGBA(params) {
|
||
switch (params.kind) {
|
||
case ImageKind.GRAYSCALE_1BPP:
|
||
return convertBlackAndWhiteToRGBA(params);
|
||
case ImageKind.RGB_24BPP:
|
||
return convertRGBToRGBA(params);
|
||
}
|
||
return null;
|
||
}
|
||
function convertBlackAndWhiteToRGBA({
|
||
src,
|
||
srcPos = 0,
|
||
dest,
|
||
width,
|
||
height,
|
||
nonBlackColor = 0xffffffff,
|
||
inverseDecode = false
|
||
}) {
|
||
const black = util_FeatureTest.isLittleEndian ? 0xff000000 : 0x000000ff;
|
||
const [zeroMapping, oneMapping] = inverseDecode ? [nonBlackColor, black] : [black, nonBlackColor];
|
||
const widthInSource = width >> 3;
|
||
const widthRemainder = width & 7;
|
||
const srcLength = src.length;
|
||
dest = new Uint32Array(dest.buffer);
|
||
let destPos = 0;
|
||
for (let i = 0; i < height; i++) {
|
||
for (const max = srcPos + widthInSource; srcPos < max; srcPos++) {
|
||
const elem = srcPos < srcLength ? src[srcPos] : 255;
|
||
dest[destPos++] = elem & 0b10000000 ? oneMapping : zeroMapping;
|
||
dest[destPos++] = elem & 0b1000000 ? oneMapping : zeroMapping;
|
||
dest[destPos++] = elem & 0b100000 ? oneMapping : zeroMapping;
|
||
dest[destPos++] = elem & 0b10000 ? oneMapping : zeroMapping;
|
||
dest[destPos++] = elem & 0b1000 ? oneMapping : zeroMapping;
|
||
dest[destPos++] = elem & 0b100 ? oneMapping : zeroMapping;
|
||
dest[destPos++] = elem & 0b10 ? oneMapping : zeroMapping;
|
||
dest[destPos++] = elem & 0b1 ? oneMapping : zeroMapping;
|
||
}
|
||
if (widthRemainder === 0) {
|
||
continue;
|
||
}
|
||
const elem = srcPos < srcLength ? src[srcPos++] : 255;
|
||
for (let j = 0; j < widthRemainder; j++) {
|
||
dest[destPos++] = elem & 1 << 7 - j ? oneMapping : zeroMapping;
|
||
}
|
||
}
|
||
return {
|
||
srcPos,
|
||
destPos
|
||
};
|
||
}
|
||
function convertRGBToRGBA({
|
||
src,
|
||
srcPos = 0,
|
||
dest,
|
||
destPos = 0,
|
||
width,
|
||
height
|
||
}) {
|
||
let i = 0;
|
||
const len = width * height * 3;
|
||
const len32 = len >> 2;
|
||
const src32 = new Uint32Array(src.buffer, srcPos, len32);
|
||
if (FeatureTest.isLittleEndian) {
|
||
for (; i < len32 - 2; i += 3, destPos += 4) {
|
||
const s1 = src32[i];
|
||
const s2 = src32[i + 1];
|
||
const s3 = src32[i + 2];
|
||
dest[destPos] = s1 | 0xff000000;
|
||
dest[destPos + 1] = s1 >>> 24 | s2 << 8 | 0xff000000;
|
||
dest[destPos + 2] = s2 >>> 16 | s3 << 16 | 0xff000000;
|
||
dest[destPos + 3] = s3 >>> 8 | 0xff000000;
|
||
}
|
||
for (let j = i * 4, jj = srcPos + len; j < jj; j += 3) {
|
||
dest[destPos++] = src[j] | src[j + 1] << 8 | src[j + 2] << 16 | 0xff000000;
|
||
}
|
||
} else {
|
||
for (; i < len32 - 2; i += 3, destPos += 4) {
|
||
const s1 = src32[i];
|
||
const s2 = src32[i + 1];
|
||
const s3 = src32[i + 2];
|
||
dest[destPos] = s1 | 0xff;
|
||
dest[destPos + 1] = s1 << 24 | s2 >>> 8 | 0xff;
|
||
dest[destPos + 2] = s2 << 16 | s3 >>> 16 | 0xff;
|
||
dest[destPos + 3] = s3 << 8 | 0xff;
|
||
}
|
||
for (let j = i * 4, jj = srcPos + len; j < jj; j += 3) {
|
||
dest[destPos++] = src[j] << 24 | src[j + 1] << 16 | src[j + 2] << 8 | 0xff;
|
||
}
|
||
}
|
||
return {
|
||
srcPos: srcPos + len,
|
||
destPos
|
||
};
|
||
}
|
||
function grayToRGBA(src, dest) {
|
||
if (FeatureTest.isLittleEndian) {
|
||
for (let i = 0, ii = src.length; i < ii; i++) {
|
||
dest[i] = src[i] * 0x10101 | 0xff000000;
|
||
}
|
||
} else {
|
||
for (let i = 0, ii = src.length; i < ii; i++) {
|
||
dest[i] = src[i] * 0x1010100 | 0x000000ff;
|
||
}
|
||
}
|
||
}
|
||
|
||
;// ./src/display/canvas.js
|
||
|
||
|
||
|
||
|
||
const MIN_FONT_SIZE = 16;
|
||
const MAX_FONT_SIZE = 100;
|
||
const EXECUTION_TIME = 15;
|
||
const EXECUTION_STEPS = 10;
|
||
const MAX_SIZE_TO_COMPILE = 1000;
|
||
const FULL_CHUNK_HEIGHT = 16;
|
||
function mirrorContextOperations(ctx, destCtx) {
|
||
if (ctx._removeMirroring) {
|
||
throw new Error("Context is already forwarding operations.");
|
||
}
|
||
ctx.__originalSave = ctx.save;
|
||
ctx.__originalRestore = ctx.restore;
|
||
ctx.__originalRotate = ctx.rotate;
|
||
ctx.__originalScale = ctx.scale;
|
||
ctx.__originalTranslate = ctx.translate;
|
||
ctx.__originalTransform = ctx.transform;
|
||
ctx.__originalSetTransform = ctx.setTransform;
|
||
ctx.__originalResetTransform = ctx.resetTransform;
|
||
ctx.__originalClip = ctx.clip;
|
||
ctx.__originalMoveTo = ctx.moveTo;
|
||
ctx.__originalLineTo = ctx.lineTo;
|
||
ctx.__originalBezierCurveTo = ctx.bezierCurveTo;
|
||
ctx.__originalRect = ctx.rect;
|
||
ctx.__originalClosePath = ctx.closePath;
|
||
ctx.__originalBeginPath = ctx.beginPath;
|
||
ctx._removeMirroring = () => {
|
||
ctx.save = ctx.__originalSave;
|
||
ctx.restore = ctx.__originalRestore;
|
||
ctx.rotate = ctx.__originalRotate;
|
||
ctx.scale = ctx.__originalScale;
|
||
ctx.translate = ctx.__originalTranslate;
|
||
ctx.transform = ctx.__originalTransform;
|
||
ctx.setTransform = ctx.__originalSetTransform;
|
||
ctx.resetTransform = ctx.__originalResetTransform;
|
||
ctx.clip = ctx.__originalClip;
|
||
ctx.moveTo = ctx.__originalMoveTo;
|
||
ctx.lineTo = ctx.__originalLineTo;
|
||
ctx.bezierCurveTo = ctx.__originalBezierCurveTo;
|
||
ctx.rect = ctx.__originalRect;
|
||
ctx.closePath = ctx.__originalClosePath;
|
||
ctx.beginPath = ctx.__originalBeginPath;
|
||
delete ctx._removeMirroring;
|
||
};
|
||
ctx.save = function ctxSave() {
|
||
destCtx.save();
|
||
this.__originalSave();
|
||
};
|
||
ctx.restore = function ctxRestore() {
|
||
destCtx.restore();
|
||
this.__originalRestore();
|
||
};
|
||
ctx.translate = function ctxTranslate(x, y) {
|
||
destCtx.translate(x, y);
|
||
this.__originalTranslate(x, y);
|
||
};
|
||
ctx.scale = function ctxScale(x, y) {
|
||
destCtx.scale(x, y);
|
||
this.__originalScale(x, y);
|
||
};
|
||
ctx.transform = function ctxTransform(a, b, c, d, e, f) {
|
||
destCtx.transform(a, b, c, d, e, f);
|
||
this.__originalTransform(a, b, c, d, e, f);
|
||
};
|
||
ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
|
||
destCtx.setTransform(a, b, c, d, e, f);
|
||
this.__originalSetTransform(a, b, c, d, e, f);
|
||
};
|
||
ctx.resetTransform = function ctxResetTransform() {
|
||
destCtx.resetTransform();
|
||
this.__originalResetTransform();
|
||
};
|
||
ctx.rotate = function ctxRotate(angle) {
|
||
destCtx.rotate(angle);
|
||
this.__originalRotate(angle);
|
||
};
|
||
ctx.clip = function ctxRotate(rule) {
|
||
destCtx.clip(rule);
|
||
this.__originalClip(rule);
|
||
};
|
||
ctx.moveTo = function (x, y) {
|
||
destCtx.moveTo(x, y);
|
||
this.__originalMoveTo(x, y);
|
||
};
|
||
ctx.lineTo = function (x, y) {
|
||
destCtx.lineTo(x, y);
|
||
this.__originalLineTo(x, y);
|
||
};
|
||
ctx.bezierCurveTo = function (cp1x, cp1y, cp2x, cp2y, x, y) {
|
||
destCtx.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
|
||
this.__originalBezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
|
||
};
|
||
ctx.rect = function (x, y, width, height) {
|
||
destCtx.rect(x, y, width, height);
|
||
this.__originalRect(x, y, width, height);
|
||
};
|
||
ctx.closePath = function () {
|
||
destCtx.closePath();
|
||
this.__originalClosePath();
|
||
};
|
||
ctx.beginPath = function () {
|
||
destCtx.beginPath();
|
||
this.__originalBeginPath();
|
||
};
|
||
}
|
||
class CachedCanvases {
|
||
constructor(canvasFactory) {
|
||
this.canvasFactory = canvasFactory;
|
||
this.cache = Object.create(null);
|
||
}
|
||
getCanvas(id, width, height) {
|
||
let canvasEntry;
|
||
if (this.cache[id] !== undefined) {
|
||
canvasEntry = this.cache[id];
|
||
this.canvasFactory.reset(canvasEntry, width, height);
|
||
} else {
|
||
canvasEntry = this.canvasFactory.create(width, height);
|
||
this.cache[id] = canvasEntry;
|
||
}
|
||
return canvasEntry;
|
||
}
|
||
delete(id) {
|
||
delete this.cache[id];
|
||
}
|
||
clear() {
|
||
for (const id in this.cache) {
|
||
const canvasEntry = this.cache[id];
|
||
this.canvasFactory.destroy(canvasEntry);
|
||
delete this.cache[id];
|
||
}
|
||
}
|
||
}
|
||
function drawImageAtIntegerCoords(ctx, srcImg, srcX, srcY, srcW, srcH, destX, destY, destW, destH) {
|
||
const [a, b, c, d, tx, ty] = getCurrentTransform(ctx);
|
||
if (b === 0 && c === 0) {
|
||
const tlX = destX * a + tx;
|
||
const rTlX = Math.round(tlX);
|
||
const tlY = destY * d + ty;
|
||
const rTlY = Math.round(tlY);
|
||
const brX = (destX + destW) * a + tx;
|
||
const rWidth = Math.abs(Math.round(brX) - rTlX) || 1;
|
||
const brY = (destY + destH) * d + ty;
|
||
const rHeight = Math.abs(Math.round(brY) - rTlY) || 1;
|
||
ctx.setTransform(Math.sign(a), 0, 0, Math.sign(d), rTlX, rTlY);
|
||
ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, 0, 0, rWidth, rHeight);
|
||
ctx.setTransform(a, b, c, d, tx, ty);
|
||
return [rWidth, rHeight];
|
||
}
|
||
if (a === 0 && d === 0) {
|
||
const tlX = destY * c + tx;
|
||
const rTlX = Math.round(tlX);
|
||
const tlY = destX * b + ty;
|
||
const rTlY = Math.round(tlY);
|
||
const brX = (destY + destH) * c + tx;
|
||
const rWidth = Math.abs(Math.round(brX) - rTlX) || 1;
|
||
const brY = (destX + destW) * b + ty;
|
||
const rHeight = Math.abs(Math.round(brY) - rTlY) || 1;
|
||
ctx.setTransform(0, Math.sign(b), Math.sign(c), 0, rTlX, rTlY);
|
||
ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, 0, 0, rHeight, rWidth);
|
||
ctx.setTransform(a, b, c, d, tx, ty);
|
||
return [rHeight, rWidth];
|
||
}
|
||
ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, destX, destY, destW, destH);
|
||
const scaleX = Math.hypot(a, b);
|
||
const scaleY = Math.hypot(c, d);
|
||
return [scaleX * destW, scaleY * destH];
|
||
}
|
||
function compileType3Glyph(imgData) {
|
||
const {
|
||
width,
|
||
height
|
||
} = imgData;
|
||
if (width > MAX_SIZE_TO_COMPILE || height > MAX_SIZE_TO_COMPILE) {
|
||
return null;
|
||
}
|
||
const POINT_TO_PROCESS_LIMIT = 1000;
|
||
const POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
|
||
const width1 = width + 1;
|
||
let points = new Uint8Array(width1 * (height + 1));
|
||
let i, j, j0;
|
||
const lineSize = width + 7 & ~7;
|
||
let data = new Uint8Array(lineSize * height),
|
||
pos = 0;
|
||
for (const elem of imgData.data) {
|
||
let mask = 128;
|
||
while (mask > 0) {
|
||
data[pos++] = elem & mask ? 0 : 255;
|
||
mask >>= 1;
|
||
}
|
||
}
|
||
let count = 0;
|
||
pos = 0;
|
||
if (data[pos] !== 0) {
|
||
points[0] = 1;
|
||
++count;
|
||
}
|
||
for (j = 1; j < width; j++) {
|
||
if (data[pos] !== data[pos + 1]) {
|
||
points[j] = data[pos] ? 2 : 1;
|
||
++count;
|
||
}
|
||
pos++;
|
||
}
|
||
if (data[pos] !== 0) {
|
||
points[j] = 2;
|
||
++count;
|
||
}
|
||
for (i = 1; i < height; i++) {
|
||
pos = i * lineSize;
|
||
j0 = i * width1;
|
||
if (data[pos - lineSize] !== data[pos]) {
|
||
points[j0] = data[pos] ? 1 : 8;
|
||
++count;
|
||
}
|
||
let sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
|
||
for (j = 1; j < width; j++) {
|
||
sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
|
||
if (POINT_TYPES[sum]) {
|
||
points[j0 + j] = POINT_TYPES[sum];
|
||
++count;
|
||
}
|
||
pos++;
|
||
}
|
||
if (data[pos - lineSize] !== data[pos]) {
|
||
points[j0 + j] = data[pos] ? 2 : 4;
|
||
++count;
|
||
}
|
||
if (count > POINT_TO_PROCESS_LIMIT) {
|
||
return null;
|
||
}
|
||
}
|
||
pos = lineSize * (height - 1);
|
||
j0 = i * width1;
|
||
if (data[pos] !== 0) {
|
||
points[j0] = 8;
|
||
++count;
|
||
}
|
||
for (j = 1; j < width; j++) {
|
||
if (data[pos] !== data[pos + 1]) {
|
||
points[j0 + j] = data[pos] ? 4 : 8;
|
||
++count;
|
||
}
|
||
pos++;
|
||
}
|
||
if (data[pos] !== 0) {
|
||
points[j0 + j] = 4;
|
||
++count;
|
||
}
|
||
if (count > POINT_TO_PROCESS_LIMIT) {
|
||
return null;
|
||
}
|
||
const steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
|
||
const path = new Path2D();
|
||
for (i = 0; count && i <= height; i++) {
|
||
let p = i * width1;
|
||
const end = p + width;
|
||
while (p < end && !points[p]) {
|
||
p++;
|
||
}
|
||
if (p === end) {
|
||
continue;
|
||
}
|
||
path.moveTo(p % width1, i);
|
||
const p0 = p;
|
||
let type = points[p];
|
||
do {
|
||
const step = steps[type];
|
||
do {
|
||
p += step;
|
||
} while (!points[p]);
|
||
const pp = points[p];
|
||
if (pp !== 5 && pp !== 10) {
|
||
type = pp;
|
||
points[p] = 0;
|
||
} else {
|
||
type = pp & 0x33 * type >> 4;
|
||
points[p] &= type >> 2 | type << 2;
|
||
}
|
||
path.lineTo(p % width1, p / width1 | 0);
|
||
if (!points[p]) {
|
||
--count;
|
||
}
|
||
} while (p0 !== p);
|
||
--i;
|
||
}
|
||
data = null;
|
||
points = null;
|
||
const drawOutline = function (c) {
|
||
c.save();
|
||
c.scale(1 / width, -1 / height);
|
||
c.translate(0, -height);
|
||
c.fill(path);
|
||
c.beginPath();
|
||
c.restore();
|
||
};
|
||
return drawOutline;
|
||
}
|
||
class CanvasExtraState {
|
||
constructor(width, height) {
|
||
this.alphaIsShape = false;
|
||
this.fontSize = 0;
|
||
this.fontSizeScale = 1;
|
||
this.textMatrix = IDENTITY_MATRIX;
|
||
this.textMatrixScale = 1;
|
||
this.fontMatrix = FONT_IDENTITY_MATRIX;
|
||
this.leading = 0;
|
||
this.x = 0;
|
||
this.y = 0;
|
||
this.lineX = 0;
|
||
this.lineY = 0;
|
||
this.charSpacing = 0;
|
||
this.wordSpacing = 0;
|
||
this.textHScale = 1;
|
||
this.textRenderingMode = TextRenderingMode.FILL;
|
||
this.textRise = 0;
|
||
this.fillColor = "#000000";
|
||
this.strokeColor = "#000000";
|
||
this.patternFill = false;
|
||
this.patternStroke = false;
|
||
this.fillAlpha = 1;
|
||
this.strokeAlpha = 1;
|
||
this.lineWidth = 1;
|
||
this.activeSMask = null;
|
||
this.transferMaps = "none";
|
||
this.startNewPathAndClipBox([0, 0, width, height]);
|
||
}
|
||
clone() {
|
||
const clone = Object.create(this);
|
||
clone.clipBox = this.clipBox.slice();
|
||
return clone;
|
||
}
|
||
setCurrentPoint(x, y) {
|
||
this.x = x;
|
||
this.y = y;
|
||
}
|
||
updatePathMinMax(transform, x, y) {
|
||
[x, y] = Util.applyTransform([x, y], transform);
|
||
this.minX = Math.min(this.minX, x);
|
||
this.minY = Math.min(this.minY, y);
|
||
this.maxX = Math.max(this.maxX, x);
|
||
this.maxY = Math.max(this.maxY, y);
|
||
}
|
||
updateRectMinMax(transform, rect) {
|
||
const p1 = Util.applyTransform(rect, transform);
|
||
const p2 = Util.applyTransform(rect.slice(2), transform);
|
||
const p3 = Util.applyTransform([rect[0], rect[3]], transform);
|
||
const p4 = Util.applyTransform([rect[2], rect[1]], transform);
|
||
this.minX = Math.min(this.minX, p1[0], p2[0], p3[0], p4[0]);
|
||
this.minY = Math.min(this.minY, p1[1], p2[1], p3[1], p4[1]);
|
||
this.maxX = Math.max(this.maxX, p1[0], p2[0], p3[0], p4[0]);
|
||
this.maxY = Math.max(this.maxY, p1[1], p2[1], p3[1], p4[1]);
|
||
}
|
||
updateScalingPathMinMax(transform, minMax) {
|
||
Util.scaleMinMax(transform, minMax);
|
||
this.minX = Math.min(this.minX, minMax[0]);
|
||
this.minY = Math.min(this.minY, minMax[1]);
|
||
this.maxX = Math.max(this.maxX, minMax[2]);
|
||
this.maxY = Math.max(this.maxY, minMax[3]);
|
||
}
|
||
updateCurvePathMinMax(transform, x0, y0, x1, y1, x2, y2, x3, y3, minMax) {
|
||
const box = Util.bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3, minMax);
|
||
if (minMax) {
|
||
return;
|
||
}
|
||
this.updateRectMinMax(transform, box);
|
||
}
|
||
getPathBoundingBox(pathType = PathType.FILL, transform = null) {
|
||
const box = [this.minX, this.minY, this.maxX, this.maxY];
|
||
if (pathType === PathType.STROKE) {
|
||
if (!transform) {
|
||
unreachable("Stroke bounding box must include transform.");
|
||
}
|
||
const scale = Util.singularValueDecompose2dScale(transform);
|
||
const xStrokePad = scale[0] * this.lineWidth / 2;
|
||
const yStrokePad = scale[1] * this.lineWidth / 2;
|
||
box[0] -= xStrokePad;
|
||
box[1] -= yStrokePad;
|
||
box[2] += xStrokePad;
|
||
box[3] += yStrokePad;
|
||
}
|
||
return box;
|
||
}
|
||
updateClipFromPath() {
|
||
const intersect = Util.intersect(this.clipBox, this.getPathBoundingBox());
|
||
this.startNewPathAndClipBox(intersect || [0, 0, 0, 0]);
|
||
}
|
||
isEmptyClip() {
|
||
return this.minX === Infinity;
|
||
}
|
||
startNewPathAndClipBox(box) {
|
||
this.clipBox = box;
|
||
this.minX = Infinity;
|
||
this.minY = Infinity;
|
||
this.maxX = 0;
|
||
this.maxY = 0;
|
||
}
|
||
getClippedPathBoundingBox(pathType = PathType.FILL, transform = null) {
|
||
return Util.intersect(this.clipBox, this.getPathBoundingBox(pathType, transform));
|
||
}
|
||
}
|
||
function putBinaryImageData(ctx, imgData) {
|
||
if (imgData instanceof ImageData) {
|
||
ctx.putImageData(imgData, 0, 0);
|
||
return;
|
||
}
|
||
const height = imgData.height,
|
||
width = imgData.width;
|
||
const partialChunkHeight = height % FULL_CHUNK_HEIGHT;
|
||
const fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
|
||
const totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
|
||
const chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
|
||
let srcPos = 0,
|
||
destPos;
|
||
const src = imgData.data;
|
||
const dest = chunkImgData.data;
|
||
let i, j, thisChunkHeight, elemsInThisChunk;
|
||
if (imgData.kind === util_ImageKind.GRAYSCALE_1BPP) {
|
||
const srcLength = src.byteLength;
|
||
const dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
|
||
const dest32DataLength = dest32.length;
|
||
const fullSrcDiff = width + 7 >> 3;
|
||
const white = 0xffffffff;
|
||
const black = util_FeatureTest.isLittleEndian ? 0xff000000 : 0x000000ff;
|
||
for (i = 0; i < totalChunks; i++) {
|
||
thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
|
||
destPos = 0;
|
||
for (j = 0; j < thisChunkHeight; j++) {
|
||
const srcDiff = srcLength - srcPos;
|
||
let k = 0;
|
||
const kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
|
||
const kEndUnrolled = kEnd & ~7;
|
||
let mask = 0;
|
||
let srcByte = 0;
|
||
for (; k < kEndUnrolled; k += 8) {
|
||
srcByte = src[srcPos++];
|
||
dest32[destPos++] = srcByte & 128 ? white : black;
|
||
dest32[destPos++] = srcByte & 64 ? white : black;
|
||
dest32[destPos++] = srcByte & 32 ? white : black;
|
||
dest32[destPos++] = srcByte & 16 ? white : black;
|
||
dest32[destPos++] = srcByte & 8 ? white : black;
|
||
dest32[destPos++] = srcByte & 4 ? white : black;
|
||
dest32[destPos++] = srcByte & 2 ? white : black;
|
||
dest32[destPos++] = srcByte & 1 ? white : black;
|
||
}
|
||
for (; k < kEnd; k++) {
|
||
if (mask === 0) {
|
||
srcByte = src[srcPos++];
|
||
mask = 128;
|
||
}
|
||
dest32[destPos++] = srcByte & mask ? white : black;
|
||
mask >>= 1;
|
||
}
|
||
}
|
||
while (destPos < dest32DataLength) {
|
||
dest32[destPos++] = 0;
|
||
}
|
||
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
|
||
}
|
||
} else if (imgData.kind === util_ImageKind.RGBA_32BPP) {
|
||
j = 0;
|
||
elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
|
||
for (i = 0; i < fullChunks; i++) {
|
||
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
|
||
srcPos += elemsInThisChunk;
|
||
ctx.putImageData(chunkImgData, 0, j);
|
||
j += FULL_CHUNK_HEIGHT;
|
||
}
|
||
if (i < totalChunks) {
|
||
elemsInThisChunk = width * partialChunkHeight * 4;
|
||
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
|
||
ctx.putImageData(chunkImgData, 0, j);
|
||
}
|
||
} else if (imgData.kind === util_ImageKind.RGB_24BPP) {
|
||
thisChunkHeight = FULL_CHUNK_HEIGHT;
|
||
elemsInThisChunk = width * thisChunkHeight;
|
||
for (i = 0; i < totalChunks; i++) {
|
||
if (i >= fullChunks) {
|
||
thisChunkHeight = partialChunkHeight;
|
||
elemsInThisChunk = width * thisChunkHeight;
|
||
}
|
||
destPos = 0;
|
||
for (j = elemsInThisChunk; j--;) {
|
||
dest[destPos++] = src[srcPos++];
|
||
dest[destPos++] = src[srcPos++];
|
||
dest[destPos++] = src[srcPos++];
|
||
dest[destPos++] = 255;
|
||
}
|
||
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
|
||
}
|
||
} else {
|
||
throw new Error(`bad image kind: ${imgData.kind}`);
|
||
}
|
||
}
|
||
function putBinaryImageMask(ctx, imgData) {
|
||
if (imgData.bitmap) {
|
||
ctx.drawImage(imgData.bitmap, 0, 0);
|
||
return;
|
||
}
|
||
const height = imgData.height,
|
||
width = imgData.width;
|
||
const partialChunkHeight = height % FULL_CHUNK_HEIGHT;
|
||
const fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
|
||
const totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
|
||
const chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
|
||
let srcPos = 0;
|
||
const src = imgData.data;
|
||
const dest = chunkImgData.data;
|
||
for (let i = 0; i < totalChunks; i++) {
|
||
const thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
|
||
({
|
||
srcPos
|
||
} = convertBlackAndWhiteToRGBA({
|
||
src,
|
||
srcPos,
|
||
dest,
|
||
width,
|
||
height: thisChunkHeight,
|
||
nonBlackColor: 0
|
||
}));
|
||
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
|
||
}
|
||
}
|
||
function copyCtxState(sourceCtx, destCtx) {
|
||
const properties = ["strokeStyle", "fillStyle", "fillRule", "globalAlpha", "lineWidth", "lineCap", "lineJoin", "miterLimit", "globalCompositeOperation", "font", "filter"];
|
||
for (const property of properties) {
|
||
if (sourceCtx[property] !== undefined) {
|
||
destCtx[property] = sourceCtx[property];
|
||
}
|
||
}
|
||
if (sourceCtx.setLineDash !== undefined) {
|
||
destCtx.setLineDash(sourceCtx.getLineDash());
|
||
destCtx.lineDashOffset = sourceCtx.lineDashOffset;
|
||
}
|
||
}
|
||
function resetCtxToDefault(ctx) {
|
||
ctx.strokeStyle = ctx.fillStyle = "#000000";
|
||
ctx.fillRule = "nonzero";
|
||
ctx.globalAlpha = 1;
|
||
ctx.lineWidth = 1;
|
||
ctx.lineCap = "butt";
|
||
ctx.lineJoin = "miter";
|
||
ctx.miterLimit = 10;
|
||
ctx.globalCompositeOperation = "source-over";
|
||
ctx.font = "10px sans-serif";
|
||
if (ctx.setLineDash !== undefined) {
|
||
ctx.setLineDash([]);
|
||
ctx.lineDashOffset = 0;
|
||
}
|
||
if (!isNodeJS) {
|
||
const {
|
||
filter
|
||
} = ctx;
|
||
if (filter !== "none" && filter !== "") {
|
||
ctx.filter = "none";
|
||
}
|
||
}
|
||
}
|
||
function getImageSmoothingEnabled(transform, interpolate) {
|
||
if (interpolate) {
|
||
return true;
|
||
}
|
||
const scale = Util.singularValueDecompose2dScale(transform);
|
||
scale[0] = Math.fround(scale[0]);
|
||
scale[1] = Math.fround(scale[1]);
|
||
const actualScale = Math.fround((globalThis.devicePixelRatio || 1) * PixelsPerInch.PDF_TO_CSS_UNITS);
|
||
return scale[0] <= actualScale && scale[1] <= actualScale;
|
||
}
|
||
const LINE_CAP_STYLES = ["butt", "round", "square"];
|
||
const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
|
||
const NORMAL_CLIP = {};
|
||
const EO_CLIP = {};
|
||
class CanvasGraphics {
|
||
constructor(canvasCtx, commonObjs, objs, canvasFactory, filterFactory, {
|
||
optionalContentConfig,
|
||
markedContentStack = null
|
||
}, annotationCanvasMap, pageColors) {
|
||
this.ctx = canvasCtx;
|
||
this.current = new CanvasExtraState(this.ctx.canvas.width, this.ctx.canvas.height);
|
||
this.stateStack = [];
|
||
this.pendingClip = null;
|
||
this.pendingEOFill = false;
|
||
this.res = null;
|
||
this.xobjs = null;
|
||
this.commonObjs = commonObjs;
|
||
this.objs = objs;
|
||
this.canvasFactory = canvasFactory;
|
||
this.filterFactory = filterFactory;
|
||
this.groupStack = [];
|
||
this.processingType3 = null;
|
||
this.baseTransform = null;
|
||
this.baseTransformStack = [];
|
||
this.groupLevel = 0;
|
||
this.smaskStack = [];
|
||
this.smaskCounter = 0;
|
||
this.tempSMask = null;
|
||
this.suspendedCtx = null;
|
||
this.contentVisible = true;
|
||
this.markedContentStack = markedContentStack || [];
|
||
this.optionalContentConfig = optionalContentConfig;
|
||
this.cachedCanvases = new CachedCanvases(this.canvasFactory);
|
||
this.cachedPatterns = new Map();
|
||
this.annotationCanvasMap = annotationCanvasMap;
|
||
this.viewportScale = 1;
|
||
this.outputScaleX = 1;
|
||
this.outputScaleY = 1;
|
||
this.pageColors = pageColors;
|
||
this._cachedScaleForStroking = [-1, 0];
|
||
this._cachedGetSinglePixelWidth = null;
|
||
this._cachedBitmapsMap = new Map();
|
||
}
|
||
getObject(data, fallback = null) {
|
||
if (typeof data === "string") {
|
||
return data.startsWith("g_") ? this.commonObjs.get(data) : this.objs.get(data);
|
||
}
|
||
return fallback;
|
||
}
|
||
beginDrawing({
|
||
transform,
|
||
viewport,
|
||
transparency = false,
|
||
background = null
|
||
}) {
|
||
const width = this.ctx.canvas.width;
|
||
const height = this.ctx.canvas.height;
|
||
const savedFillStyle = this.ctx.fillStyle;
|
||
this.ctx.fillStyle = background || "#ffffff";
|
||
this.ctx.fillRect(0, 0, width, height);
|
||
this.ctx.fillStyle = savedFillStyle;
|
||
if (transparency) {
|
||
const transparentCanvas = this.cachedCanvases.getCanvas("transparent", width, height);
|
||
this.compositeCtx = this.ctx;
|
||
this.transparentCanvas = transparentCanvas.canvas;
|
||
this.ctx = transparentCanvas.context;
|
||
this.ctx.save();
|
||
this.ctx.transform(...getCurrentTransform(this.compositeCtx));
|
||
}
|
||
this.ctx.save();
|
||
resetCtxToDefault(this.ctx);
|
||
if (transform) {
|
||
this.ctx.transform(...transform);
|
||
this.outputScaleX = transform[0];
|
||
this.outputScaleY = transform[0];
|
||
}
|
||
this.ctx.transform(...viewport.transform);
|
||
this.viewportScale = viewport.scale;
|
||
this.baseTransform = getCurrentTransform(this.ctx);
|
||
}
|
||
executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
|
||
const argsArray = operatorList.argsArray;
|
||
const fnArray = operatorList.fnArray;
|
||
let i = executionStartIdx || 0;
|
||
const argsArrayLen = argsArray.length;
|
||
if (argsArrayLen === i) {
|
||
return i;
|
||
}
|
||
const chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === "function";
|
||
const endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
|
||
let steps = 0;
|
||
const commonObjs = this.commonObjs;
|
||
const objs = this.objs;
|
||
let fnId;
|
||
while (true) {
|
||
if (stepper !== undefined && i === stepper.nextBreakPoint) {
|
||
stepper.breakIt(i, continueCallback);
|
||
return i;
|
||
}
|
||
fnId = fnArray[i];
|
||
if (fnId !== OPS.dependency) {
|
||
this[fnId].apply(this, argsArray[i]);
|
||
} else {
|
||
for (const depObjId of argsArray[i]) {
|
||
const objsPool = depObjId.startsWith("g_") ? commonObjs : objs;
|
||
if (!objsPool.has(depObjId)) {
|
||
objsPool.get(depObjId, continueCallback);
|
||
return i;
|
||
}
|
||
}
|
||
}
|
||
i++;
|
||
if (i === argsArrayLen) {
|
||
return i;
|
||
}
|
||
if (chunkOperations && ++steps > EXECUTION_STEPS) {
|
||
if (Date.now() > endTime) {
|
||
continueCallback();
|
||
return i;
|
||
}
|
||
steps = 0;
|
||
}
|
||
}
|
||
}
|
||
#restoreInitialState() {
|
||
while (this.stateStack.length || this.inSMaskMode) {
|
||
this.restore();
|
||
}
|
||
this.current.activeSMask = null;
|
||
this.ctx.restore();
|
||
if (this.transparentCanvas) {
|
||
this.ctx = this.compositeCtx;
|
||
this.ctx.save();
|
||
this.ctx.setTransform(1, 0, 0, 1, 0, 0);
|
||
this.ctx.drawImage(this.transparentCanvas, 0, 0);
|
||
this.ctx.restore();
|
||
this.transparentCanvas = null;
|
||
}
|
||
}
|
||
endDrawing() {
|
||
this.#restoreInitialState();
|
||
this.cachedCanvases.clear();
|
||
this.cachedPatterns.clear();
|
||
for (const cache of this._cachedBitmapsMap.values()) {
|
||
for (const canvas of cache.values()) {
|
||
if (typeof HTMLCanvasElement !== "undefined" && canvas instanceof HTMLCanvasElement) {
|
||
canvas.width = canvas.height = 0;
|
||
}
|
||
}
|
||
cache.clear();
|
||
}
|
||
this._cachedBitmapsMap.clear();
|
||
this.#drawFilter();
|
||
}
|
||
#drawFilter() {
|
||
if (this.pageColors) {
|
||
const hcmFilterId = this.filterFactory.addHCMFilter(this.pageColors.foreground, this.pageColors.background);
|
||
if (hcmFilterId !== "none") {
|
||
const savedFilter = this.ctx.filter;
|
||
this.ctx.filter = hcmFilterId;
|
||
this.ctx.drawImage(this.ctx.canvas, 0, 0);
|
||
this.ctx.filter = savedFilter;
|
||
}
|
||
}
|
||
}
|
||
_scaleImage(img, inverseTransform) {
|
||
const width = img.width ?? img.displayWidth;
|
||
const height = img.height ?? img.displayHeight;
|
||
let widthScale = Math.max(Math.hypot(inverseTransform[0], inverseTransform[1]), 1);
|
||
let heightScale = Math.max(Math.hypot(inverseTransform[2], inverseTransform[3]), 1);
|
||
let paintWidth = width,
|
||
paintHeight = height;
|
||
let tmpCanvasId = "prescale1";
|
||
let tmpCanvas, tmpCtx;
|
||
while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
|
||
let newWidth = paintWidth,
|
||
newHeight = paintHeight;
|
||
if (widthScale > 2 && paintWidth > 1) {
|
||
newWidth = paintWidth >= 16384 ? Math.floor(paintWidth / 2) - 1 || 1 : Math.ceil(paintWidth / 2);
|
||
widthScale /= paintWidth / newWidth;
|
||
}
|
||
if (heightScale > 2 && paintHeight > 1) {
|
||
newHeight = paintHeight >= 16384 ? Math.floor(paintHeight / 2) - 1 || 1 : Math.ceil(paintHeight) / 2;
|
||
heightScale /= paintHeight / newHeight;
|
||
}
|
||
tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
|
||
tmpCtx = tmpCanvas.context;
|
||
tmpCtx.clearRect(0, 0, newWidth, newHeight);
|
||
tmpCtx.drawImage(img, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
|
||
img = tmpCanvas.canvas;
|
||
paintWidth = newWidth;
|
||
paintHeight = newHeight;
|
||
tmpCanvasId = tmpCanvasId === "prescale1" ? "prescale2" : "prescale1";
|
||
}
|
||
return {
|
||
img,
|
||
paintWidth,
|
||
paintHeight
|
||
};
|
||
}
|
||
_createMaskCanvas(img) {
|
||
const ctx = this.ctx;
|
||
const {
|
||
width,
|
||
height
|
||
} = img;
|
||
const fillColor = this.current.fillColor;
|
||
const isPatternFill = this.current.patternFill;
|
||
const currentTransform = getCurrentTransform(ctx);
|
||
let cache, cacheKey, scaled, maskCanvas;
|
||
if ((img.bitmap || img.data) && img.count > 1) {
|
||
const mainKey = img.bitmap || img.data.buffer;
|
||
cacheKey = JSON.stringify(isPatternFill ? currentTransform : [currentTransform.slice(0, 4), fillColor]);
|
||
cache = this._cachedBitmapsMap.get(mainKey);
|
||
if (!cache) {
|
||
cache = new Map();
|
||
this._cachedBitmapsMap.set(mainKey, cache);
|
||
}
|
||
const cachedImage = cache.get(cacheKey);
|
||
if (cachedImage && !isPatternFill) {
|
||
const offsetX = Math.round(Math.min(currentTransform[0], currentTransform[2]) + currentTransform[4]);
|
||
const offsetY = Math.round(Math.min(currentTransform[1], currentTransform[3]) + currentTransform[5]);
|
||
return {
|
||
canvas: cachedImage,
|
||
offsetX,
|
||
offsetY
|
||
};
|
||
}
|
||
scaled = cachedImage;
|
||
}
|
||
if (!scaled) {
|
||
maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
|
||
putBinaryImageMask(maskCanvas.context, img);
|
||
}
|
||
let maskToCanvas = Util.transform(currentTransform, [1 / width, 0, 0, -1 / height, 0, 0]);
|
||
maskToCanvas = Util.transform(maskToCanvas, [1, 0, 0, 1, 0, -height]);
|
||
const [minX, minY, maxX, maxY] = Util.getAxialAlignedBoundingBox([0, 0, width, height], maskToCanvas);
|
||
const drawnWidth = Math.round(maxX - minX) || 1;
|
||
const drawnHeight = Math.round(maxY - minY) || 1;
|
||
const fillCanvas = this.cachedCanvases.getCanvas("fillCanvas", drawnWidth, drawnHeight);
|
||
const fillCtx = fillCanvas.context;
|
||
const offsetX = minX;
|
||
const offsetY = minY;
|
||
fillCtx.translate(-offsetX, -offsetY);
|
||
fillCtx.transform(...maskToCanvas);
|
||
if (!scaled) {
|
||
scaled = this._scaleImage(maskCanvas.canvas, getCurrentTransformInverse(fillCtx));
|
||
scaled = scaled.img;
|
||
if (cache && isPatternFill) {
|
||
cache.set(cacheKey, scaled);
|
||
}
|
||
}
|
||
fillCtx.imageSmoothingEnabled = getImageSmoothingEnabled(getCurrentTransform(fillCtx), img.interpolate);
|
||
drawImageAtIntegerCoords(fillCtx, scaled, 0, 0, scaled.width, scaled.height, 0, 0, width, height);
|
||
fillCtx.globalCompositeOperation = "source-in";
|
||
const inverse = Util.transform(getCurrentTransformInverse(fillCtx), [1, 0, 0, 1, -offsetX, -offsetY]);
|
||
fillCtx.fillStyle = isPatternFill ? fillColor.getPattern(ctx, this, inverse, PathType.FILL) : fillColor;
|
||
fillCtx.fillRect(0, 0, width, height);
|
||
if (cache && !isPatternFill) {
|
||
this.cachedCanvases.delete("fillCanvas");
|
||
cache.set(cacheKey, fillCanvas.canvas);
|
||
}
|
||
return {
|
||
canvas: fillCanvas.canvas,
|
||
offsetX: Math.round(offsetX),
|
||
offsetY: Math.round(offsetY)
|
||
};
|
||
}
|
||
setLineWidth(width) {
|
||
if (width !== this.current.lineWidth) {
|
||
this._cachedScaleForStroking[0] = -1;
|
||
}
|
||
this.current.lineWidth = width;
|
||
this.ctx.lineWidth = width;
|
||
}
|
||
setLineCap(style) {
|
||
this.ctx.lineCap = LINE_CAP_STYLES[style];
|
||
}
|
||
setLineJoin(style) {
|
||
this.ctx.lineJoin = LINE_JOIN_STYLES[style];
|
||
}
|
||
setMiterLimit(limit) {
|
||
this.ctx.miterLimit = limit;
|
||
}
|
||
setDash(dashArray, dashPhase) {
|
||
const ctx = this.ctx;
|
||
if (ctx.setLineDash !== undefined) {
|
||
ctx.setLineDash(dashArray);
|
||
ctx.lineDashOffset = dashPhase;
|
||
}
|
||
}
|
||
setRenderingIntent(intent) {}
|
||
setFlatness(flatness) {}
|
||
setGState(states) {
|
||
for (const [key, value] of states) {
|
||
switch (key) {
|
||
case "LW":
|
||
this.setLineWidth(value);
|
||
break;
|
||
case "LC":
|
||
this.setLineCap(value);
|
||
break;
|
||
case "LJ":
|
||
this.setLineJoin(value);
|
||
break;
|
||
case "ML":
|
||
this.setMiterLimit(value);
|
||
break;
|
||
case "D":
|
||
this.setDash(value[0], value[1]);
|
||
break;
|
||
case "RI":
|
||
this.setRenderingIntent(value);
|
||
break;
|
||
case "FL":
|
||
this.setFlatness(value);
|
||
break;
|
||
case "Font":
|
||
this.setFont(value[0], value[1]);
|
||
break;
|
||
case "CA":
|
||
this.current.strokeAlpha = value;
|
||
break;
|
||
case "ca":
|
||
this.current.fillAlpha = value;
|
||
this.ctx.globalAlpha = value;
|
||
break;
|
||
case "BM":
|
||
this.ctx.globalCompositeOperation = value;
|
||
break;
|
||
case "SMask":
|
||
this.current.activeSMask = value ? this.tempSMask : null;
|
||
this.tempSMask = null;
|
||
this.checkSMaskState();
|
||
break;
|
||
case "TR":
|
||
this.ctx.filter = this.current.transferMaps = this.filterFactory.addFilter(value);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
get inSMaskMode() {
|
||
return !!this.suspendedCtx;
|
||
}
|
||
checkSMaskState() {
|
||
const inSMaskMode = this.inSMaskMode;
|
||
if (this.current.activeSMask && !inSMaskMode) {
|
||
this.beginSMaskMode();
|
||
} else if (!this.current.activeSMask && inSMaskMode) {
|
||
this.endSMaskMode();
|
||
}
|
||
}
|
||
beginSMaskMode() {
|
||
if (this.inSMaskMode) {
|
||
throw new Error("beginSMaskMode called while already in smask mode");
|
||
}
|
||
const drawnWidth = this.ctx.canvas.width;
|
||
const drawnHeight = this.ctx.canvas.height;
|
||
const cacheId = "smaskGroupAt" + this.groupLevel;
|
||
const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight);
|
||
this.suspendedCtx = this.ctx;
|
||
this.ctx = scratchCanvas.context;
|
||
const ctx = this.ctx;
|
||
ctx.setTransform(...getCurrentTransform(this.suspendedCtx));
|
||
copyCtxState(this.suspendedCtx, ctx);
|
||
mirrorContextOperations(ctx, this.suspendedCtx);
|
||
this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
|
||
}
|
||
endSMaskMode() {
|
||
if (!this.inSMaskMode) {
|
||
throw new Error("endSMaskMode called while not in smask mode");
|
||
}
|
||
this.ctx._removeMirroring();
|
||
copyCtxState(this.ctx, this.suspendedCtx);
|
||
this.ctx = this.suspendedCtx;
|
||
this.suspendedCtx = null;
|
||
}
|
||
compose(dirtyBox) {
|
||
if (!this.current.activeSMask) {
|
||
return;
|
||
}
|
||
if (!dirtyBox) {
|
||
dirtyBox = [0, 0, this.ctx.canvas.width, this.ctx.canvas.height];
|
||
} else {
|
||
dirtyBox[0] = Math.floor(dirtyBox[0]);
|
||
dirtyBox[1] = Math.floor(dirtyBox[1]);
|
||
dirtyBox[2] = Math.ceil(dirtyBox[2]);
|
||
dirtyBox[3] = Math.ceil(dirtyBox[3]);
|
||
}
|
||
const smask = this.current.activeSMask;
|
||
const suspendedCtx = this.suspendedCtx;
|
||
this.composeSMask(suspendedCtx, smask, this.ctx, dirtyBox);
|
||
this.ctx.save();
|
||
this.ctx.setTransform(1, 0, 0, 1, 0, 0);
|
||
this.ctx.clearRect(0, 0, this.ctx.canvas.width, this.ctx.canvas.height);
|
||
this.ctx.restore();
|
||
}
|
||
composeSMask(ctx, smask, layerCtx, layerBox) {
|
||
const layerOffsetX = layerBox[0];
|
||
const layerOffsetY = layerBox[1];
|
||
const layerWidth = layerBox[2] - layerOffsetX;
|
||
const layerHeight = layerBox[3] - layerOffsetY;
|
||
if (layerWidth === 0 || layerHeight === 0) {
|
||
return;
|
||
}
|
||
this.genericComposeSMask(smask.context, layerCtx, layerWidth, layerHeight, smask.subtype, smask.backdrop, smask.transferMap, layerOffsetX, layerOffsetY, smask.offsetX, smask.offsetY);
|
||
ctx.save();
|
||
ctx.globalAlpha = 1;
|
||
ctx.globalCompositeOperation = "source-over";
|
||
ctx.setTransform(1, 0, 0, 1, 0, 0);
|
||
ctx.drawImage(layerCtx.canvas, 0, 0);
|
||
ctx.restore();
|
||
}
|
||
genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap, layerOffsetX, layerOffsetY, maskOffsetX, maskOffsetY) {
|
||
let maskCanvas = maskCtx.canvas;
|
||
let maskX = layerOffsetX - maskOffsetX;
|
||
let maskY = layerOffsetY - maskOffsetY;
|
||
if (backdrop) {
|
||
const backdropRGB = Util.makeHexColor(...backdrop);
|
||
if (maskX < 0 || maskY < 0 || maskX + width > maskCanvas.width || maskY + height > maskCanvas.height) {
|
||
const canvas = this.cachedCanvases.getCanvas("maskExtension", width, height);
|
||
const ctx = canvas.context;
|
||
ctx.drawImage(maskCanvas, -maskX, -maskY);
|
||
ctx.globalCompositeOperation = "destination-atop";
|
||
ctx.fillStyle = backdropRGB;
|
||
ctx.fillRect(0, 0, width, height);
|
||
ctx.globalCompositeOperation = "source-over";
|
||
maskCanvas = canvas.canvas;
|
||
maskX = maskY = 0;
|
||
} else {
|
||
maskCtx.save();
|
||
maskCtx.globalAlpha = 1;
|
||
maskCtx.setTransform(1, 0, 0, 1, 0, 0);
|
||
const clip = new Path2D();
|
||
clip.rect(maskX, maskY, width, height);
|
||
maskCtx.clip(clip);
|
||
maskCtx.globalCompositeOperation = "destination-atop";
|
||
maskCtx.fillStyle = backdropRGB;
|
||
maskCtx.fillRect(maskX, maskY, width, height);
|
||
maskCtx.restore();
|
||
}
|
||
}
|
||
layerCtx.save();
|
||
layerCtx.globalAlpha = 1;
|
||
layerCtx.setTransform(1, 0, 0, 1, 0, 0);
|
||
if (subtype === "Alpha" && transferMap) {
|
||
layerCtx.filter = this.filterFactory.addAlphaFilter(transferMap);
|
||
} else if (subtype === "Luminosity") {
|
||
layerCtx.filter = this.filterFactory.addLuminosityFilter(transferMap);
|
||
}
|
||
const clip = new Path2D();
|
||
clip.rect(layerOffsetX, layerOffsetY, width, height);
|
||
layerCtx.clip(clip);
|
||
layerCtx.globalCompositeOperation = "destination-in";
|
||
layerCtx.drawImage(maskCanvas, maskX, maskY, width, height, layerOffsetX, layerOffsetY, width, height);
|
||
layerCtx.restore();
|
||
}
|
||
save() {
|
||
if (this.inSMaskMode) {
|
||
copyCtxState(this.ctx, this.suspendedCtx);
|
||
this.suspendedCtx.save();
|
||
} else {
|
||
this.ctx.save();
|
||
}
|
||
const old = this.current;
|
||
this.stateStack.push(old);
|
||
this.current = old.clone();
|
||
}
|
||
restore() {
|
||
if (this.stateStack.length === 0 && this.inSMaskMode) {
|
||
this.endSMaskMode();
|
||
}
|
||
if (this.stateStack.length !== 0) {
|
||
this.current = this.stateStack.pop();
|
||
if (this.inSMaskMode) {
|
||
this.suspendedCtx.restore();
|
||
copyCtxState(this.suspendedCtx, this.ctx);
|
||
} else {
|
||
this.ctx.restore();
|
||
}
|
||
this.checkSMaskState();
|
||
this.pendingClip = null;
|
||
this._cachedScaleForStroking[0] = -1;
|
||
this._cachedGetSinglePixelWidth = null;
|
||
}
|
||
}
|
||
transform(a, b, c, d, e, f) {
|
||
this.ctx.transform(a, b, c, d, e, f);
|
||
this._cachedScaleForStroking[0] = -1;
|
||
this._cachedGetSinglePixelWidth = null;
|
||
}
|
||
constructPath(ops, args, minMax) {
|
||
const ctx = this.ctx;
|
||
const current = this.current;
|
||
let x = current.x,
|
||
y = current.y;
|
||
let startX, startY;
|
||
const currentTransform = getCurrentTransform(ctx);
|
||
const isScalingMatrix = currentTransform[0] === 0 && currentTransform[3] === 0 || currentTransform[1] === 0 && currentTransform[2] === 0;
|
||
const minMaxForBezier = isScalingMatrix ? minMax.slice(0) : null;
|
||
for (let i = 0, j = 0, ii = ops.length; i < ii; i++) {
|
||
switch (ops[i] | 0) {
|
||
case OPS.rectangle:
|
||
x = args[j++];
|
||
y = args[j++];
|
||
const width = args[j++];
|
||
const height = args[j++];
|
||
const xw = x + width;
|
||
const yh = y + height;
|
||
ctx.moveTo(x, y);
|
||
if (width === 0 || height === 0) {
|
||
ctx.lineTo(xw, yh);
|
||
} else {
|
||
ctx.lineTo(xw, y);
|
||
ctx.lineTo(xw, yh);
|
||
ctx.lineTo(x, yh);
|
||
}
|
||
if (!isScalingMatrix) {
|
||
current.updateRectMinMax(currentTransform, [x, y, xw, yh]);
|
||
}
|
||
ctx.closePath();
|
||
break;
|
||
case OPS.moveTo:
|
||
x = args[j++];
|
||
y = args[j++];
|
||
ctx.moveTo(x, y);
|
||
if (!isScalingMatrix) {
|
||
current.updatePathMinMax(currentTransform, x, y);
|
||
}
|
||
break;
|
||
case OPS.lineTo:
|
||
x = args[j++];
|
||
y = args[j++];
|
||
ctx.lineTo(x, y);
|
||
if (!isScalingMatrix) {
|
||
current.updatePathMinMax(currentTransform, x, y);
|
||
}
|
||
break;
|
||
case OPS.curveTo:
|
||
startX = x;
|
||
startY = y;
|
||
x = args[j + 4];
|
||
y = args[j + 5];
|
||
ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
|
||
current.updateCurvePathMinMax(currentTransform, startX, startY, args[j], args[j + 1], args[j + 2], args[j + 3], x, y, minMaxForBezier);
|
||
j += 6;
|
||
break;
|
||
case OPS.curveTo2:
|
||
startX = x;
|
||
startY = y;
|
||
ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
|
||
current.updateCurvePathMinMax(currentTransform, startX, startY, x, y, args[j], args[j + 1], args[j + 2], args[j + 3], minMaxForBezier);
|
||
x = args[j + 2];
|
||
y = args[j + 3];
|
||
j += 4;
|
||
break;
|
||
case OPS.curveTo3:
|
||
startX = x;
|
||
startY = y;
|
||
x = args[j + 2];
|
||
y = args[j + 3];
|
||
ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
|
||
current.updateCurvePathMinMax(currentTransform, startX, startY, args[j], args[j + 1], x, y, x, y, minMaxForBezier);
|
||
j += 4;
|
||
break;
|
||
case OPS.closePath:
|
||
ctx.closePath();
|
||
break;
|
||
}
|
||
}
|
||
if (isScalingMatrix) {
|
||
current.updateScalingPathMinMax(currentTransform, minMaxForBezier);
|
||
}
|
||
current.setCurrentPoint(x, y);
|
||
}
|
||
closePath() {
|
||
this.ctx.closePath();
|
||
}
|
||
stroke(consumePath = true) {
|
||
const ctx = this.ctx;
|
||
const strokeColor = this.current.strokeColor;
|
||
ctx.globalAlpha = this.current.strokeAlpha;
|
||
if (this.contentVisible) {
|
||
if (typeof strokeColor === "object" && strokeColor?.getPattern) {
|
||
ctx.save();
|
||
ctx.strokeStyle = strokeColor.getPattern(ctx, this, getCurrentTransformInverse(ctx), PathType.STROKE);
|
||
this.rescaleAndStroke(false);
|
||
ctx.restore();
|
||
} else {
|
||
this.rescaleAndStroke(true);
|
||
}
|
||
}
|
||
if (consumePath) {
|
||
this.consumePath(this.current.getClippedPathBoundingBox());
|
||
}
|
||
ctx.globalAlpha = this.current.fillAlpha;
|
||
}
|
||
closeStroke() {
|
||
this.closePath();
|
||
this.stroke();
|
||
}
|
||
fill(consumePath = true) {
|
||
const ctx = this.ctx;
|
||
const fillColor = this.current.fillColor;
|
||
const isPatternFill = this.current.patternFill;
|
||
let needRestore = false;
|
||
if (isPatternFill) {
|
||
ctx.save();
|
||
ctx.fillStyle = fillColor.getPattern(ctx, this, getCurrentTransformInverse(ctx), PathType.FILL);
|
||
needRestore = true;
|
||
}
|
||
const intersect = this.current.getClippedPathBoundingBox();
|
||
if (this.contentVisible && intersect !== null) {
|
||
if (this.pendingEOFill) {
|
||
ctx.fill("evenodd");
|
||
this.pendingEOFill = false;
|
||
} else {
|
||
ctx.fill();
|
||
}
|
||
}
|
||
if (needRestore) {
|
||
ctx.restore();
|
||
}
|
||
if (consumePath) {
|
||
this.consumePath(intersect);
|
||
}
|
||
}
|
||
eoFill() {
|
||
this.pendingEOFill = true;
|
||
this.fill();
|
||
}
|
||
fillStroke() {
|
||
this.fill(false);
|
||
this.stroke(false);
|
||
this.consumePath();
|
||
}
|
||
eoFillStroke() {
|
||
this.pendingEOFill = true;
|
||
this.fillStroke();
|
||
}
|
||
closeFillStroke() {
|
||
this.closePath();
|
||
this.fillStroke();
|
||
}
|
||
closeEOFillStroke() {
|
||
this.pendingEOFill = true;
|
||
this.closePath();
|
||
this.fillStroke();
|
||
}
|
||
endPath() {
|
||
this.consumePath();
|
||
}
|
||
clip() {
|
||
this.pendingClip = NORMAL_CLIP;
|
||
}
|
||
eoClip() {
|
||
this.pendingClip = EO_CLIP;
|
||
}
|
||
beginText() {
|
||
this.current.textMatrix = IDENTITY_MATRIX;
|
||
this.current.textMatrixScale = 1;
|
||
this.current.x = this.current.lineX = 0;
|
||
this.current.y = this.current.lineY = 0;
|
||
}
|
||
endText() {
|
||
const paths = this.pendingTextPaths;
|
||
const ctx = this.ctx;
|
||
if (paths === undefined) {
|
||
ctx.beginPath();
|
||
return;
|
||
}
|
||
const newPath = new Path2D();
|
||
const invTransf = ctx.getTransform().invertSelf();
|
||
for (const {
|
||
transform,
|
||
x,
|
||
y,
|
||
fontSize,
|
||
path
|
||
} of paths) {
|
||
newPath.addPath(path, new DOMMatrix(transform).preMultiplySelf(invTransf).translate(x, y).scale(fontSize, -fontSize));
|
||
}
|
||
ctx.clip(newPath);
|
||
ctx.beginPath();
|
||
delete this.pendingTextPaths;
|
||
}
|
||
setCharSpacing(spacing) {
|
||
this.current.charSpacing = spacing;
|
||
}
|
||
setWordSpacing(spacing) {
|
||
this.current.wordSpacing = spacing;
|
||
}
|
||
setHScale(scale) {
|
||
this.current.textHScale = scale / 100;
|
||
}
|
||
setLeading(leading) {
|
||
this.current.leading = -leading;
|
||
}
|
||
setFont(fontRefName, size) {
|
||
const fontObj = this.commonObjs.get(fontRefName);
|
||
const current = this.current;
|
||
if (!fontObj) {
|
||
throw new Error(`Can't find font for ${fontRefName}`);
|
||
}
|
||
current.fontMatrix = fontObj.fontMatrix || FONT_IDENTITY_MATRIX;
|
||
if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
|
||
warn("Invalid font matrix for font " + fontRefName);
|
||
}
|
||
if (size < 0) {
|
||
size = -size;
|
||
current.fontDirection = -1;
|
||
} else {
|
||
current.fontDirection = 1;
|
||
}
|
||
this.current.font = fontObj;
|
||
this.current.fontSize = size;
|
||
if (fontObj.isType3Font) {
|
||
return;
|
||
}
|
||
const name = fontObj.loadedName || "sans-serif";
|
||
const typeface = fontObj.systemFontInfo?.css || `"${name}", ${fontObj.fallbackName}`;
|
||
let bold = "normal";
|
||
if (fontObj.black) {
|
||
bold = "900";
|
||
} else if (fontObj.bold) {
|
||
bold = "bold";
|
||
}
|
||
const italic = fontObj.italic ? "italic" : "normal";
|
||
let browserFontSize = size;
|
||
if (size < MIN_FONT_SIZE) {
|
||
browserFontSize = MIN_FONT_SIZE;
|
||
} else if (size > MAX_FONT_SIZE) {
|
||
browserFontSize = MAX_FONT_SIZE;
|
||
}
|
||
this.current.fontSizeScale = size / browserFontSize;
|
||
this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;
|
||
}
|
||
setTextRenderingMode(mode) {
|
||
this.current.textRenderingMode = mode;
|
||
}
|
||
setTextRise(rise) {
|
||
this.current.textRise = rise;
|
||
}
|
||
moveText(x, y) {
|
||
this.current.x = this.current.lineX += x;
|
||
this.current.y = this.current.lineY += y;
|
||
}
|
||
setLeadingMoveText(x, y) {
|
||
this.setLeading(-y);
|
||
this.moveText(x, y);
|
||
}
|
||
setTextMatrix(a, b, c, d, e, f) {
|
||
this.current.textMatrix = [a, b, c, d, e, f];
|
||
this.current.textMatrixScale = Math.hypot(a, b);
|
||
this.current.x = this.current.lineX = 0;
|
||
this.current.y = this.current.lineY = 0;
|
||
}
|
||
nextLine() {
|
||
this.moveText(0, this.current.leading);
|
||
}
|
||
#getScaledPath(path, currentTransform, transform) {
|
||
const newPath = new Path2D();
|
||
newPath.addPath(path, new DOMMatrix(transform).invertSelf().multiplySelf(currentTransform));
|
||
return newPath;
|
||
}
|
||
paintChar(character, x, y, patternFillTransform, patternStrokeTransform) {
|
||
const ctx = this.ctx;
|
||
const current = this.current;
|
||
const font = current.font;
|
||
const textRenderingMode = current.textRenderingMode;
|
||
const fontSize = current.fontSize / current.fontSizeScale;
|
||
const fillStrokeMode = textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;
|
||
const isAddToPathSet = !!(textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG);
|
||
const patternFill = current.patternFill && !font.missingFile;
|
||
const patternStroke = current.patternStroke && !font.missingFile;
|
||
let path;
|
||
if (font.disableFontFace || isAddToPathSet || patternFill || patternStroke) {
|
||
path = font.getPathGenerator(this.commonObjs, character);
|
||
}
|
||
if (font.disableFontFace || patternFill || patternStroke) {
|
||
ctx.save();
|
||
ctx.translate(x, y);
|
||
ctx.scale(fontSize, -fontSize);
|
||
if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
|
||
if (patternFillTransform) {
|
||
const currentTransform = ctx.getTransform();
|
||
ctx.setTransform(...patternFillTransform);
|
||
ctx.fill(this.#getScaledPath(path, currentTransform, patternFillTransform));
|
||
} else {
|
||
ctx.fill(path);
|
||
}
|
||
}
|
||
if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
|
||
if (patternStrokeTransform) {
|
||
const currentTransform = ctx.getTransform();
|
||
ctx.setTransform(...patternStrokeTransform);
|
||
ctx.stroke(this.#getScaledPath(path, currentTransform, patternStrokeTransform));
|
||
} else {
|
||
ctx.lineWidth /= fontSize;
|
||
ctx.stroke(path);
|
||
}
|
||
}
|
||
ctx.restore();
|
||
} else {
|
||
if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
|
||
ctx.fillText(character, x, y);
|
||
}
|
||
if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
|
||
ctx.strokeText(character, x, y);
|
||
}
|
||
}
|
||
if (isAddToPathSet) {
|
||
const paths = this.pendingTextPaths ||= [];
|
||
paths.push({
|
||
transform: getCurrentTransform(ctx),
|
||
x,
|
||
y,
|
||
fontSize,
|
||
path
|
||
});
|
||
}
|
||
}
|
||
get isFontSubpixelAAEnabled() {
|
||
const {
|
||
context: ctx
|
||
} = this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled", 10, 10);
|
||
ctx.scale(1.5, 1);
|
||
ctx.fillText("I", 0, 10);
|
||
const data = ctx.getImageData(0, 0, 10, 10).data;
|
||
let enabled = false;
|
||
for (let i = 3; i < data.length; i += 4) {
|
||
if (data[i] > 0 && data[i] < 255) {
|
||
enabled = true;
|
||
break;
|
||
}
|
||
}
|
||
return shadow(this, "isFontSubpixelAAEnabled", enabled);
|
||
}
|
||
showText(glyphs) {
|
||
const current = this.current;
|
||
const font = current.font;
|
||
if (font.isType3Font) {
|
||
return this.showType3Text(glyphs);
|
||
}
|
||
const fontSize = current.fontSize;
|
||
if (fontSize === 0) {
|
||
return undefined;
|
||
}
|
||
const ctx = this.ctx;
|
||
const fontSizeScale = current.fontSizeScale;
|
||
const charSpacing = current.charSpacing;
|
||
const wordSpacing = current.wordSpacing;
|
||
const fontDirection = current.fontDirection;
|
||
const textHScale = current.textHScale * fontDirection;
|
||
const glyphsLength = glyphs.length;
|
||
const vertical = font.vertical;
|
||
const spacingDir = vertical ? 1 : -1;
|
||
const defaultVMetrics = font.defaultVMetrics;
|
||
const widthAdvanceScale = fontSize * current.fontMatrix[0];
|
||
const simpleFillText = current.textRenderingMode === TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill;
|
||
ctx.save();
|
||
ctx.transform(...current.textMatrix);
|
||
ctx.translate(current.x, current.y + current.textRise);
|
||
if (fontDirection > 0) {
|
||
ctx.scale(textHScale, -1);
|
||
} else {
|
||
ctx.scale(textHScale, 1);
|
||
}
|
||
let patternFillTransform, patternStrokeTransform;
|
||
if (current.patternFill) {
|
||
ctx.save();
|
||
const pattern = current.fillColor.getPattern(ctx, this, getCurrentTransformInverse(ctx), PathType.FILL);
|
||
patternFillTransform = getCurrentTransform(ctx);
|
||
ctx.restore();
|
||
ctx.fillStyle = pattern;
|
||
}
|
||
if (current.patternStroke) {
|
||
ctx.save();
|
||
const pattern = current.strokeColor.getPattern(ctx, this, getCurrentTransformInverse(ctx), PathType.STROKE);
|
||
patternStrokeTransform = getCurrentTransform(ctx);
|
||
ctx.restore();
|
||
ctx.strokeStyle = pattern;
|
||
}
|
||
let lineWidth = current.lineWidth;
|
||
const scale = current.textMatrixScale;
|
||
if (scale === 0 || lineWidth === 0) {
|
||
const fillStrokeMode = current.textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;
|
||
if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
|
||
lineWidth = this.getSinglePixelWidth();
|
||
}
|
||
} else {
|
||
lineWidth /= scale;
|
||
}
|
||
if (fontSizeScale !== 1.0) {
|
||
ctx.scale(fontSizeScale, fontSizeScale);
|
||
lineWidth /= fontSizeScale;
|
||
}
|
||
ctx.lineWidth = lineWidth;
|
||
if (font.isInvalidPDFjsFont) {
|
||
const chars = [];
|
||
let width = 0;
|
||
for (const glyph of glyphs) {
|
||
chars.push(glyph.unicode);
|
||
width += glyph.width;
|
||
}
|
||
ctx.fillText(chars.join(""), 0, 0);
|
||
current.x += width * widthAdvanceScale * textHScale;
|
||
ctx.restore();
|
||
this.compose();
|
||
return undefined;
|
||
}
|
||
let x = 0,
|
||
i;
|
||
for (i = 0; i < glyphsLength; ++i) {
|
||
const glyph = glyphs[i];
|
||
if (typeof glyph === "number") {
|
||
x += spacingDir * glyph * fontSize / 1000;
|
||
continue;
|
||
}
|
||
let restoreNeeded = false;
|
||
const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
|
||
const character = glyph.fontChar;
|
||
const accent = glyph.accent;
|
||
let scaledX, scaledY;
|
||
let width = glyph.width;
|
||
if (vertical) {
|
||
const vmetric = glyph.vmetric || defaultVMetrics;
|
||
const vx = -(glyph.vmetric ? vmetric[1] : width * 0.5) * widthAdvanceScale;
|
||
const vy = vmetric[2] * widthAdvanceScale;
|
||
width = vmetric ? -vmetric[0] : width;
|
||
scaledX = vx / fontSizeScale;
|
||
scaledY = (x + vy) / fontSizeScale;
|
||
} else {
|
||
scaledX = x / fontSizeScale;
|
||
scaledY = 0;
|
||
}
|
||
if (font.remeasure && width > 0) {
|
||
const measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
|
||
if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
|
||
const characterScaleX = width / measuredWidth;
|
||
restoreNeeded = true;
|
||
ctx.save();
|
||
ctx.scale(characterScaleX, 1);
|
||
scaledX /= characterScaleX;
|
||
} else if (width !== measuredWidth) {
|
||
scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
|
||
}
|
||
}
|
||
if (this.contentVisible && (glyph.isInFont || font.missingFile)) {
|
||
if (simpleFillText && !accent) {
|
||
ctx.fillText(character, scaledX, scaledY);
|
||
} else {
|
||
this.paintChar(character, scaledX, scaledY, patternFillTransform, patternStrokeTransform);
|
||
if (accent) {
|
||
const scaledAccentX = scaledX + fontSize * accent.offset.x / fontSizeScale;
|
||
const scaledAccentY = scaledY - fontSize * accent.offset.y / fontSizeScale;
|
||
this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternFillTransform, patternStrokeTransform);
|
||
}
|
||
}
|
||
}
|
||
const charWidth = vertical ? width * widthAdvanceScale - spacing * fontDirection : width * widthAdvanceScale + spacing * fontDirection;
|
||
x += charWidth;
|
||
if (restoreNeeded) {
|
||
ctx.restore();
|
||
}
|
||
}
|
||
if (vertical) {
|
||
current.y -= x;
|
||
} else {
|
||
current.x += x * textHScale;
|
||
}
|
||
ctx.restore();
|
||
this.compose();
|
||
return undefined;
|
||
}
|
||
showType3Text(glyphs) {
|
||
const ctx = this.ctx;
|
||
const current = this.current;
|
||
const font = current.font;
|
||
const fontSize = current.fontSize;
|
||
const fontDirection = current.fontDirection;
|
||
const spacingDir = font.vertical ? 1 : -1;
|
||
const charSpacing = current.charSpacing;
|
||
const wordSpacing = current.wordSpacing;
|
||
const textHScale = current.textHScale * fontDirection;
|
||
const fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX;
|
||
const glyphsLength = glyphs.length;
|
||
const isTextInvisible = current.textRenderingMode === TextRenderingMode.INVISIBLE;
|
||
let i, glyph, width, spacingLength;
|
||
if (isTextInvisible || fontSize === 0) {
|
||
return;
|
||
}
|
||
this._cachedScaleForStroking[0] = -1;
|
||
this._cachedGetSinglePixelWidth = null;
|
||
ctx.save();
|
||
ctx.transform(...current.textMatrix);
|
||
ctx.translate(current.x, current.y);
|
||
ctx.scale(textHScale, fontDirection);
|
||
for (i = 0; i < glyphsLength; ++i) {
|
||
glyph = glyphs[i];
|
||
if (typeof glyph === "number") {
|
||
spacingLength = spacingDir * glyph * fontSize / 1000;
|
||
this.ctx.translate(spacingLength, 0);
|
||
current.x += spacingLength * textHScale;
|
||
continue;
|
||
}
|
||
const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
|
||
const operatorList = font.charProcOperatorList[glyph.operatorListId];
|
||
if (!operatorList) {
|
||
warn(`Type3 character "${glyph.operatorListId}" is not available.`);
|
||
continue;
|
||
}
|
||
if (this.contentVisible) {
|
||
this.processingType3 = glyph;
|
||
this.save();
|
||
ctx.scale(fontSize, fontSize);
|
||
ctx.transform(...fontMatrix);
|
||
this.executeOperatorList(operatorList);
|
||
this.restore();
|
||
}
|
||
const transformed = Util.applyTransform([glyph.width, 0], fontMatrix);
|
||
width = transformed[0] * fontSize + spacing;
|
||
ctx.translate(width, 0);
|
||
current.x += width * textHScale;
|
||
}
|
||
ctx.restore();
|
||
this.processingType3 = null;
|
||
}
|
||
setCharWidth(xWidth, yWidth) {}
|
||
setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
|
||
this.ctx.rect(llx, lly, urx - llx, ury - lly);
|
||
this.ctx.clip();
|
||
this.endPath();
|
||
}
|
||
getColorN_Pattern(IR) {
|
||
let pattern;
|
||
if (IR[0] === "TilingPattern") {
|
||
const color = IR[1];
|
||
const baseTransform = this.baseTransform || getCurrentTransform(this.ctx);
|
||
const canvasGraphicsFactory = {
|
||
createCanvasGraphics: ctx => new CanvasGraphics(ctx, this.commonObjs, this.objs, this.canvasFactory, this.filterFactory, {
|
||
optionalContentConfig: this.optionalContentConfig,
|
||
markedContentStack: this.markedContentStack
|
||
})
|
||
};
|
||
pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
|
||
} else {
|
||
pattern = this._getPattern(IR[1], IR[2]);
|
||
}
|
||
return pattern;
|
||
}
|
||
setStrokeColorN() {
|
||
this.current.strokeColor = this.getColorN_Pattern(arguments);
|
||
this.current.patternStroke = true;
|
||
}
|
||
setFillColorN() {
|
||
this.current.fillColor = this.getColorN_Pattern(arguments);
|
||
this.current.patternFill = true;
|
||
}
|
||
setStrokeRGBColor(r, g, b) {
|
||
this.ctx.strokeStyle = this.current.strokeColor = Util.makeHexColor(r, g, b);
|
||
this.current.patternStroke = false;
|
||
}
|
||
setStrokeTransparent() {
|
||
this.ctx.strokeStyle = this.current.strokeColor = "transparent";
|
||
this.current.patternStroke = false;
|
||
}
|
||
setFillRGBColor(r, g, b) {
|
||
this.ctx.fillStyle = this.current.fillColor = Util.makeHexColor(r, g, b);
|
||
this.current.patternFill = false;
|
||
}
|
||
setFillTransparent() {
|
||
this.ctx.fillStyle = this.current.fillColor = "transparent";
|
||
this.current.patternFill = false;
|
||
}
|
||
_getPattern(objId, matrix = null) {
|
||
let pattern;
|
||
if (this.cachedPatterns.has(objId)) {
|
||
pattern = this.cachedPatterns.get(objId);
|
||
} else {
|
||
pattern = getShadingPattern(this.getObject(objId));
|
||
this.cachedPatterns.set(objId, pattern);
|
||
}
|
||
if (matrix) {
|
||
pattern.matrix = matrix;
|
||
}
|
||
return pattern;
|
||
}
|
||
shadingFill(objId) {
|
||
if (!this.contentVisible) {
|
||
return;
|
||
}
|
||
const ctx = this.ctx;
|
||
this.save();
|
||
const pattern = this._getPattern(objId);
|
||
ctx.fillStyle = pattern.getPattern(ctx, this, getCurrentTransformInverse(ctx), PathType.SHADING);
|
||
const inv = getCurrentTransformInverse(ctx);
|
||
if (inv) {
|
||
const {
|
||
width,
|
||
height
|
||
} = ctx.canvas;
|
||
const [x0, y0, x1, y1] = Util.getAxialAlignedBoundingBox([0, 0, width, height], inv);
|
||
this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
|
||
} else {
|
||
this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
|
||
}
|
||
this.compose(this.current.getClippedPathBoundingBox());
|
||
this.restore();
|
||
}
|
||
beginInlineImage() {
|
||
unreachable("Should not call beginInlineImage");
|
||
}
|
||
beginImageData() {
|
||
unreachable("Should not call beginImageData");
|
||
}
|
||
paintFormXObjectBegin(matrix, bbox) {
|
||
if (!this.contentVisible) {
|
||
return;
|
||
}
|
||
this.save();
|
||
this.baseTransformStack.push(this.baseTransform);
|
||
if (matrix) {
|
||
this.transform(...matrix);
|
||
}
|
||
this.baseTransform = getCurrentTransform(this.ctx);
|
||
if (bbox) {
|
||
const width = bbox[2] - bbox[0];
|
||
const height = bbox[3] - bbox[1];
|
||
this.ctx.rect(bbox[0], bbox[1], width, height);
|
||
this.current.updateRectMinMax(getCurrentTransform(this.ctx), bbox);
|
||
this.clip();
|
||
this.endPath();
|
||
}
|
||
}
|
||
paintFormXObjectEnd() {
|
||
if (!this.contentVisible) {
|
||
return;
|
||
}
|
||
this.restore();
|
||
this.baseTransform = this.baseTransformStack.pop();
|
||
}
|
||
beginGroup(group) {
|
||
if (!this.contentVisible) {
|
||
return;
|
||
}
|
||
this.save();
|
||
if (this.inSMaskMode) {
|
||
this.endSMaskMode();
|
||
this.current.activeSMask = null;
|
||
}
|
||
const currentCtx = this.ctx;
|
||
if (!group.isolated) {
|
||
info("TODO: Support non-isolated groups.");
|
||
}
|
||
if (group.knockout) {
|
||
warn("Knockout groups not supported.");
|
||
}
|
||
const currentTransform = getCurrentTransform(currentCtx);
|
||
if (group.matrix) {
|
||
currentCtx.transform(...group.matrix);
|
||
}
|
||
if (!group.bbox) {
|
||
throw new Error("Bounding box is required.");
|
||
}
|
||
let bounds = Util.getAxialAlignedBoundingBox(group.bbox, getCurrentTransform(currentCtx));
|
||
const canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
|
||
bounds = Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
|
||
const offsetX = Math.floor(bounds[0]);
|
||
const offsetY = Math.floor(bounds[1]);
|
||
const drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
|
||
const drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
|
||
this.current.startNewPathAndClipBox([0, 0, drawnWidth, drawnHeight]);
|
||
let cacheId = "groupAt" + this.groupLevel;
|
||
if (group.smask) {
|
||
cacheId += "_smask_" + this.smaskCounter++ % 2;
|
||
}
|
||
const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight);
|
||
const groupCtx = scratchCanvas.context;
|
||
groupCtx.translate(-offsetX, -offsetY);
|
||
groupCtx.transform(...currentTransform);
|
||
if (group.smask) {
|
||
this.smaskStack.push({
|
||
canvas: scratchCanvas.canvas,
|
||
context: groupCtx,
|
||
offsetX,
|
||
offsetY,
|
||
subtype: group.smask.subtype,
|
||
backdrop: group.smask.backdrop,
|
||
transferMap: group.smask.transferMap || null,
|
||
startTransformInverse: null
|
||
});
|
||
} else {
|
||
currentCtx.setTransform(1, 0, 0, 1, 0, 0);
|
||
currentCtx.translate(offsetX, offsetY);
|
||
currentCtx.save();
|
||
}
|
||
copyCtxState(currentCtx, groupCtx);
|
||
this.ctx = groupCtx;
|
||
this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
|
||
this.groupStack.push(currentCtx);
|
||
this.groupLevel++;
|
||
}
|
||
endGroup(group) {
|
||
if (!this.contentVisible) {
|
||
return;
|
||
}
|
||
this.groupLevel--;
|
||
const groupCtx = this.ctx;
|
||
const ctx = this.groupStack.pop();
|
||
this.ctx = ctx;
|
||
this.ctx.imageSmoothingEnabled = false;
|
||
if (group.smask) {
|
||
this.tempSMask = this.smaskStack.pop();
|
||
this.restore();
|
||
} else {
|
||
this.ctx.restore();
|
||
const currentMtx = getCurrentTransform(this.ctx);
|
||
this.restore();
|
||
this.ctx.save();
|
||
this.ctx.setTransform(...currentMtx);
|
||
const dirtyBox = Util.getAxialAlignedBoundingBox([0, 0, groupCtx.canvas.width, groupCtx.canvas.height], currentMtx);
|
||
this.ctx.drawImage(groupCtx.canvas, 0, 0);
|
||
this.ctx.restore();
|
||
this.compose(dirtyBox);
|
||
}
|
||
}
|
||
beginAnnotation(id, rect, transform, matrix, hasOwnCanvas) {
|
||
this.#restoreInitialState();
|
||
resetCtxToDefault(this.ctx);
|
||
this.ctx.save();
|
||
this.save();
|
||
if (this.baseTransform) {
|
||
this.ctx.setTransform(...this.baseTransform);
|
||
}
|
||
if (rect) {
|
||
const width = rect[2] - rect[0];
|
||
const height = rect[3] - rect[1];
|
||
if (hasOwnCanvas && this.annotationCanvasMap) {
|
||
transform = transform.slice();
|
||
transform[4] -= rect[0];
|
||
transform[5] -= rect[1];
|
||
rect = rect.slice();
|
||
rect[0] = rect[1] = 0;
|
||
rect[2] = width;
|
||
rect[3] = height;
|
||
const [scaleX, scaleY] = Util.singularValueDecompose2dScale(getCurrentTransform(this.ctx));
|
||
const {
|
||
viewportScale
|
||
} = this;
|
||
const canvasWidth = Math.ceil(width * this.outputScaleX * viewportScale);
|
||
const canvasHeight = Math.ceil(height * this.outputScaleY * viewportScale);
|
||
this.annotationCanvas = this.canvasFactory.create(canvasWidth, canvasHeight);
|
||
const {
|
||
canvas,
|
||
context
|
||
} = this.annotationCanvas;
|
||
this.annotationCanvasMap.set(id, canvas);
|
||
this.annotationCanvas.savedCtx = this.ctx;
|
||
this.ctx = context;
|
||
this.ctx.save();
|
||
this.ctx.setTransform(scaleX, 0, 0, -scaleY, 0, height * scaleY);
|
||
resetCtxToDefault(this.ctx);
|
||
} else {
|
||
resetCtxToDefault(this.ctx);
|
||
this.endPath();
|
||
this.ctx.rect(rect[0], rect[1], width, height);
|
||
this.ctx.clip();
|
||
this.ctx.beginPath();
|
||
}
|
||
}
|
||
this.current = new CanvasExtraState(this.ctx.canvas.width, this.ctx.canvas.height);
|
||
this.transform(...transform);
|
||
this.transform(...matrix);
|
||
}
|
||
endAnnotation() {
|
||
if (this.annotationCanvas) {
|
||
this.ctx.restore();
|
||
this.#drawFilter();
|
||
this.ctx = this.annotationCanvas.savedCtx;
|
||
delete this.annotationCanvas.savedCtx;
|
||
delete this.annotationCanvas;
|
||
}
|
||
}
|
||
paintImageMaskXObject(img) {
|
||
if (!this.contentVisible) {
|
||
return;
|
||
}
|
||
const count = img.count;
|
||
img = this.getObject(img.data, img);
|
||
img.count = count;
|
||
const ctx = this.ctx;
|
||
const glyph = this.processingType3;
|
||
if (glyph) {
|
||
if (glyph.compiled === undefined) {
|
||
glyph.compiled = compileType3Glyph(img);
|
||
}
|
||
if (glyph.compiled) {
|
||
glyph.compiled(ctx);
|
||
return;
|
||
}
|
||
}
|
||
const mask = this._createMaskCanvas(img);
|
||
const maskCanvas = mask.canvas;
|
||
ctx.save();
|
||
ctx.setTransform(1, 0, 0, 1, 0, 0);
|
||
ctx.drawImage(maskCanvas, mask.offsetX, mask.offsetY);
|
||
ctx.restore();
|
||
this.compose();
|
||
}
|
||
paintImageMaskXObjectRepeat(img, scaleX, skewX = 0, skewY = 0, scaleY, positions) {
|
||
if (!this.contentVisible) {
|
||
return;
|
||
}
|
||
img = this.getObject(img.data, img);
|
||
const ctx = this.ctx;
|
||
ctx.save();
|
||
const currentTransform = getCurrentTransform(ctx);
|
||
ctx.transform(scaleX, skewX, skewY, scaleY, 0, 0);
|
||
const mask = this._createMaskCanvas(img);
|
||
ctx.setTransform(1, 0, 0, 1, mask.offsetX - currentTransform[4], mask.offsetY - currentTransform[5]);
|
||
for (let i = 0, ii = positions.length; i < ii; i += 2) {
|
||
const trans = Util.transform(currentTransform, [scaleX, skewX, skewY, scaleY, positions[i], positions[i + 1]]);
|
||
const [x, y] = Util.applyTransform([0, 0], trans);
|
||
ctx.drawImage(mask.canvas, x, y);
|
||
}
|
||
ctx.restore();
|
||
this.compose();
|
||
}
|
||
paintImageMaskXObjectGroup(images) {
|
||
if (!this.contentVisible) {
|
||
return;
|
||
}
|
||
const ctx = this.ctx;
|
||
const fillColor = this.current.fillColor;
|
||
const isPatternFill = this.current.patternFill;
|
||
for (const image of images) {
|
||
const {
|
||
data,
|
||
width,
|
||
height,
|
||
transform
|
||
} = image;
|
||
const maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
|
||
const maskCtx = maskCanvas.context;
|
||
maskCtx.save();
|
||
const img = this.getObject(data, image);
|
||
putBinaryImageMask(maskCtx, img);
|
||
maskCtx.globalCompositeOperation = "source-in";
|
||
maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this, getCurrentTransformInverse(ctx), PathType.FILL) : fillColor;
|
||
maskCtx.fillRect(0, 0, width, height);
|
||
maskCtx.restore();
|
||
ctx.save();
|
||
ctx.transform(...transform);
|
||
ctx.scale(1, -1);
|
||
drawImageAtIntegerCoords(ctx, maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
|
||
ctx.restore();
|
||
}
|
||
this.compose();
|
||
}
|
||
paintImageXObject(objId) {
|
||
if (!this.contentVisible) {
|
||
return;
|
||
}
|
||
const imgData = this.getObject(objId);
|
||
if (!imgData) {
|
||
warn("Dependent image isn't ready yet");
|
||
return;
|
||
}
|
||
this.paintInlineImageXObject(imgData);
|
||
}
|
||
paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
|
||
if (!this.contentVisible) {
|
||
return;
|
||
}
|
||
const imgData = this.getObject(objId);
|
||
if (!imgData) {
|
||
warn("Dependent image isn't ready yet");
|
||
return;
|
||
}
|
||
const width = imgData.width;
|
||
const height = imgData.height;
|
||
const map = [];
|
||
for (let i = 0, ii = positions.length; i < ii; i += 2) {
|
||
map.push({
|
||
transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],
|
||
x: 0,
|
||
y: 0,
|
||
w: width,
|
||
h: height
|
||
});
|
||
}
|
||
this.paintInlineImageXObjectGroup(imgData, map);
|
||
}
|
||
applyTransferMapsToCanvas(ctx) {
|
||
if (this.current.transferMaps !== "none") {
|
||
ctx.filter = this.current.transferMaps;
|
||
ctx.drawImage(ctx.canvas, 0, 0);
|
||
ctx.filter = "none";
|
||
}
|
||
return ctx.canvas;
|
||
}
|
||
applyTransferMapsToBitmap(imgData) {
|
||
if (this.current.transferMaps === "none") {
|
||
return imgData.bitmap;
|
||
}
|
||
const {
|
||
bitmap,
|
||
width,
|
||
height
|
||
} = imgData;
|
||
const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height);
|
||
const tmpCtx = tmpCanvas.context;
|
||
tmpCtx.filter = this.current.transferMaps;
|
||
tmpCtx.drawImage(bitmap, 0, 0);
|
||
tmpCtx.filter = "none";
|
||
return tmpCanvas.canvas;
|
||
}
|
||
paintInlineImageXObject(imgData) {
|
||
if (!this.contentVisible) {
|
||
return;
|
||
}
|
||
const width = imgData.width;
|
||
const height = imgData.height;
|
||
const ctx = this.ctx;
|
||
this.save();
|
||
if (!isNodeJS) {
|
||
const {
|
||
filter
|
||
} = ctx;
|
||
if (filter !== "none" && filter !== "") {
|
||
ctx.filter = "none";
|
||
}
|
||
}
|
||
ctx.scale(1 / width, -1 / height);
|
||
let imgToPaint;
|
||
if (imgData.bitmap) {
|
||
imgToPaint = this.applyTransferMapsToBitmap(imgData);
|
||
} else if (typeof HTMLElement === "function" && imgData instanceof HTMLElement || !imgData.data) {
|
||
imgToPaint = imgData;
|
||
} else {
|
||
const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height);
|
||
const tmpCtx = tmpCanvas.context;
|
||
putBinaryImageData(tmpCtx, imgData);
|
||
imgToPaint = this.applyTransferMapsToCanvas(tmpCtx);
|
||
}
|
||
const scaled = this._scaleImage(imgToPaint, getCurrentTransformInverse(ctx));
|
||
ctx.imageSmoothingEnabled = getImageSmoothingEnabled(getCurrentTransform(ctx), imgData.interpolate);
|
||
drawImageAtIntegerCoords(ctx, scaled.img, 0, 0, scaled.paintWidth, scaled.paintHeight, 0, -height, width, height);
|
||
this.compose();
|
||
this.restore();
|
||
}
|
||
paintInlineImageXObjectGroup(imgData, map) {
|
||
if (!this.contentVisible) {
|
||
return;
|
||
}
|
||
const ctx = this.ctx;
|
||
let imgToPaint;
|
||
if (imgData.bitmap) {
|
||
imgToPaint = imgData.bitmap;
|
||
} else {
|
||
const w = imgData.width;
|
||
const h = imgData.height;
|
||
const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", w, h);
|
||
const tmpCtx = tmpCanvas.context;
|
||
putBinaryImageData(tmpCtx, imgData);
|
||
imgToPaint = this.applyTransferMapsToCanvas(tmpCtx);
|
||
}
|
||
for (const entry of map) {
|
||
ctx.save();
|
||
ctx.transform(...entry.transform);
|
||
ctx.scale(1, -1);
|
||
drawImageAtIntegerCoords(ctx, imgToPaint, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
|
||
ctx.restore();
|
||
}
|
||
this.compose();
|
||
}
|
||
paintSolidColorImageMask() {
|
||
if (!this.contentVisible) {
|
||
return;
|
||
}
|
||
this.ctx.fillRect(0, 0, 1, 1);
|
||
this.compose();
|
||
}
|
||
markPoint(tag) {}
|
||
markPointProps(tag, properties) {}
|
||
beginMarkedContent(tag) {
|
||
this.markedContentStack.push({
|
||
visible: true
|
||
});
|
||
}
|
||
beginMarkedContentProps(tag, properties) {
|
||
if (tag === "OC") {
|
||
this.markedContentStack.push({
|
||
visible: this.optionalContentConfig.isVisible(properties)
|
||
});
|
||
} else {
|
||
this.markedContentStack.push({
|
||
visible: true
|
||
});
|
||
}
|
||
this.contentVisible = this.isContentVisible();
|
||
}
|
||
endMarkedContent() {
|
||
this.markedContentStack.pop();
|
||
this.contentVisible = this.isContentVisible();
|
||
}
|
||
beginCompat() {}
|
||
endCompat() {}
|
||
consumePath(clipBox) {
|
||
const isEmpty = this.current.isEmptyClip();
|
||
if (this.pendingClip) {
|
||
this.current.updateClipFromPath();
|
||
}
|
||
if (!this.pendingClip) {
|
||
this.compose(clipBox);
|
||
}
|
||
const ctx = this.ctx;
|
||
if (this.pendingClip) {
|
||
if (!isEmpty) {
|
||
if (this.pendingClip === EO_CLIP) {
|
||
ctx.clip("evenodd");
|
||
} else {
|
||
ctx.clip();
|
||
}
|
||
}
|
||
this.pendingClip = null;
|
||
}
|
||
this.current.startNewPathAndClipBox(this.current.clipBox);
|
||
ctx.beginPath();
|
||
}
|
||
getSinglePixelWidth() {
|
||
if (!this._cachedGetSinglePixelWidth) {
|
||
const m = getCurrentTransform(this.ctx);
|
||
if (m[1] === 0 && m[2] === 0) {
|
||
this._cachedGetSinglePixelWidth = 1 / Math.min(Math.abs(m[0]), Math.abs(m[3]));
|
||
} else {
|
||
const absDet = Math.abs(m[0] * m[3] - m[2] * m[1]);
|
||
const normX = Math.hypot(m[0], m[2]);
|
||
const normY = Math.hypot(m[1], m[3]);
|
||
this._cachedGetSinglePixelWidth = Math.max(normX, normY) / absDet;
|
||
}
|
||
}
|
||
return this._cachedGetSinglePixelWidth;
|
||
}
|
||
getScaleForStroking() {
|
||
if (this._cachedScaleForStroking[0] === -1) {
|
||
const {
|
||
lineWidth
|
||
} = this.current;
|
||
const {
|
||
a,
|
||
b,
|
||
c,
|
||
d
|
||
} = this.ctx.getTransform();
|
||
let scaleX, scaleY;
|
||
if (b === 0 && c === 0) {
|
||
const normX = Math.abs(a);
|
||
const normY = Math.abs(d);
|
||
if (normX === normY) {
|
||
if (lineWidth === 0) {
|
||
scaleX = scaleY = 1 / normX;
|
||
} else {
|
||
const scaledLineWidth = normX * lineWidth;
|
||
scaleX = scaleY = scaledLineWidth < 1 ? 1 / scaledLineWidth : 1;
|
||
}
|
||
} else if (lineWidth === 0) {
|
||
scaleX = 1 / normX;
|
||
scaleY = 1 / normY;
|
||
} else {
|
||
const scaledXLineWidth = normX * lineWidth;
|
||
const scaledYLineWidth = normY * lineWidth;
|
||
scaleX = scaledXLineWidth < 1 ? 1 / scaledXLineWidth : 1;
|
||
scaleY = scaledYLineWidth < 1 ? 1 / scaledYLineWidth : 1;
|
||
}
|
||
} else {
|
||
const absDet = Math.abs(a * d - b * c);
|
||
const normX = Math.hypot(a, b);
|
||
const normY = Math.hypot(c, d);
|
||
if (lineWidth === 0) {
|
||
scaleX = normY / absDet;
|
||
scaleY = normX / absDet;
|
||
} else {
|
||
const baseArea = lineWidth * absDet;
|
||
scaleX = normY > baseArea ? normY / baseArea : 1;
|
||
scaleY = normX > baseArea ? normX / baseArea : 1;
|
||
}
|
||
}
|
||
this._cachedScaleForStroking[0] = scaleX;
|
||
this._cachedScaleForStroking[1] = scaleY;
|
||
}
|
||
return this._cachedScaleForStroking;
|
||
}
|
||
rescaleAndStroke(saveRestore) {
|
||
const {
|
||
ctx
|
||
} = this;
|
||
const {
|
||
lineWidth
|
||
} = this.current;
|
||
const [scaleX, scaleY] = this.getScaleForStroking();
|
||
ctx.lineWidth = lineWidth || 1;
|
||
if (scaleX === 1 && scaleY === 1) {
|
||
ctx.stroke();
|
||
return;
|
||
}
|
||
const dashes = ctx.getLineDash();
|
||
if (saveRestore) {
|
||
ctx.save();
|
||
}
|
||
ctx.scale(scaleX, scaleY);
|
||
if (dashes.length > 0) {
|
||
const scale = Math.max(scaleX, scaleY);
|
||
ctx.setLineDash(dashes.map(x => x / scale));
|
||
ctx.lineDashOffset /= scale;
|
||
}
|
||
ctx.stroke();
|
||
if (saveRestore) {
|
||
ctx.restore();
|
||
}
|
||
}
|
||
isContentVisible() {
|
||
for (let i = this.markedContentStack.length - 1; i >= 0; i--) {
|
||
if (!this.markedContentStack[i].visible) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
}
|
||
for (const op in OPS) {
|
||
if (CanvasGraphics.prototype[op] !== undefined) {
|
||
CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op];
|
||
}
|
||
}
|
||
|
||
;// ./src/display/worker_options.js
|
||
class GlobalWorkerOptions {
|
||
static #port = null;
|
||
static #src = "";
|
||
static get workerPort() {
|
||
return this.#port;
|
||
}
|
||
static set workerPort(val) {
|
||
if (!(typeof Worker !== "undefined" && val instanceof Worker) && val !== null) {
|
||
throw new Error("Invalid `workerPort` type.");
|
||
}
|
||
this.#port = val;
|
||
}
|
||
static get workerSrc() {
|
||
return this.#src;
|
||
}
|
||
static set workerSrc(val) {
|
||
if (typeof val !== "string") {
|
||
throw new Error("Invalid `workerSrc` type.");
|
||
}
|
||
this.#src = val;
|
||
}
|
||
}
|
||
|
||
;// ./src/display/metadata.js
|
||
|
||
class Metadata {
|
||
#metadataMap;
|
||
#data;
|
||
constructor({
|
||
parsedData,
|
||
rawData
|
||
}) {
|
||
this.#metadataMap = parsedData;
|
||
this.#data = rawData;
|
||
}
|
||
getRaw() {
|
||
return this.#data;
|
||
}
|
||
get(name) {
|
||
return this.#metadataMap.get(name) ?? null;
|
||
}
|
||
getAll() {
|
||
return objectFromMap(this.#metadataMap);
|
||
}
|
||
has(name) {
|
||
return this.#metadataMap.has(name);
|
||
}
|
||
}
|
||
|
||
;// ./src/display/optional_content_config.js
|
||
|
||
|
||
const INTERNAL = Symbol("INTERNAL");
|
||
class OptionalContentGroup {
|
||
#isDisplay = false;
|
||
#isPrint = false;
|
||
#userSet = false;
|
||
#visible = true;
|
||
constructor(renderingIntent, {
|
||
name,
|
||
intent,
|
||
usage,
|
||
rbGroups
|
||
}) {
|
||
this.#isDisplay = !!(renderingIntent & RenderingIntentFlag.DISPLAY);
|
||
this.#isPrint = !!(renderingIntent & RenderingIntentFlag.PRINT);
|
||
this.name = name;
|
||
this.intent = intent;
|
||
this.usage = usage;
|
||
this.rbGroups = rbGroups;
|
||
}
|
||
get visible() {
|
||
if (this.#userSet) {
|
||
return this.#visible;
|
||
}
|
||
if (!this.#visible) {
|
||
return false;
|
||
}
|
||
const {
|
||
print,
|
||
view
|
||
} = this.usage;
|
||
if (this.#isDisplay) {
|
||
return view?.viewState !== "OFF";
|
||
} else if (this.#isPrint) {
|
||
return print?.printState !== "OFF";
|
||
}
|
||
return true;
|
||
}
|
||
_setVisible(internal, visible, userSet = false) {
|
||
if (internal !== INTERNAL) {
|
||
unreachable("Internal method `_setVisible` called.");
|
||
}
|
||
this.#userSet = userSet;
|
||
this.#visible = visible;
|
||
}
|
||
}
|
||
class OptionalContentConfig {
|
||
#cachedGetHash = null;
|
||
#groups = new Map();
|
||
#initialHash = null;
|
||
#order = null;
|
||
constructor(data, renderingIntent = RenderingIntentFlag.DISPLAY) {
|
||
this.renderingIntent = renderingIntent;
|
||
this.name = null;
|
||
this.creator = null;
|
||
if (data === null) {
|
||
return;
|
||
}
|
||
this.name = data.name;
|
||
this.creator = data.creator;
|
||
this.#order = data.order;
|
||
for (const group of data.groups) {
|
||
this.#groups.set(group.id, new OptionalContentGroup(renderingIntent, group));
|
||
}
|
||
if (data.baseState === "OFF") {
|
||
for (const group of this.#groups.values()) {
|
||
group._setVisible(INTERNAL, false);
|
||
}
|
||
}
|
||
for (const on of data.on) {
|
||
this.#groups.get(on)._setVisible(INTERNAL, true);
|
||
}
|
||
for (const off of data.off) {
|
||
this.#groups.get(off)._setVisible(INTERNAL, false);
|
||
}
|
||
this.#initialHash = this.getHash();
|
||
}
|
||
#evaluateVisibilityExpression(array) {
|
||
const length = array.length;
|
||
if (length < 2) {
|
||
return true;
|
||
}
|
||
const operator = array[0];
|
||
for (let i = 1; i < length; i++) {
|
||
const element = array[i];
|
||
let state;
|
||
if (Array.isArray(element)) {
|
||
state = this.#evaluateVisibilityExpression(element);
|
||
} else if (this.#groups.has(element)) {
|
||
state = this.#groups.get(element).visible;
|
||
} else {
|
||
warn(`Optional content group not found: ${element}`);
|
||
return true;
|
||
}
|
||
switch (operator) {
|
||
case "And":
|
||
if (!state) {
|
||
return false;
|
||
}
|
||
break;
|
||
case "Or":
|
||
if (state) {
|
||
return true;
|
||
}
|
||
break;
|
||
case "Not":
|
||
return !state;
|
||
default:
|
||
return true;
|
||
}
|
||
}
|
||
return operator === "And";
|
||
}
|
||
isVisible(group) {
|
||
if (this.#groups.size === 0) {
|
||
return true;
|
||
}
|
||
if (!group) {
|
||
info("Optional content group not defined.");
|
||
return true;
|
||
}
|
||
if (group.type === "OCG") {
|
||
if (!this.#groups.has(group.id)) {
|
||
warn(`Optional content group not found: ${group.id}`);
|
||
return true;
|
||
}
|
||
return this.#groups.get(group.id).visible;
|
||
} else if (group.type === "OCMD") {
|
||
if (group.expression) {
|
||
return this.#evaluateVisibilityExpression(group.expression);
|
||
}
|
||
if (!group.policy || group.policy === "AnyOn") {
|
||
for (const id of group.ids) {
|
||
if (!this.#groups.has(id)) {
|
||
warn(`Optional content group not found: ${id}`);
|
||
return true;
|
||
}
|
||
if (this.#groups.get(id).visible) {
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
} else if (group.policy === "AllOn") {
|
||
for (const id of group.ids) {
|
||
if (!this.#groups.has(id)) {
|
||
warn(`Optional content group not found: ${id}`);
|
||
return true;
|
||
}
|
||
if (!this.#groups.get(id).visible) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
} else if (group.policy === "AnyOff") {
|
||
for (const id of group.ids) {
|
||
if (!this.#groups.has(id)) {
|
||
warn(`Optional content group not found: ${id}`);
|
||
return true;
|
||
}
|
||
if (!this.#groups.get(id).visible) {
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
} else if (group.policy === "AllOff") {
|
||
for (const id of group.ids) {
|
||
if (!this.#groups.has(id)) {
|
||
warn(`Optional content group not found: ${id}`);
|
||
return true;
|
||
}
|
||
if (this.#groups.get(id).visible) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
warn(`Unknown optional content policy ${group.policy}.`);
|
||
return true;
|
||
}
|
||
warn(`Unknown group type ${group.type}.`);
|
||
return true;
|
||
}
|
||
setVisibility(id, visible = true, preserveRB = true) {
|
||
const group = this.#groups.get(id);
|
||
if (!group) {
|
||
warn(`Optional content group not found: ${id}`);
|
||
return;
|
||
}
|
||
if (preserveRB && visible && group.rbGroups.length) {
|
||
for (const rbGroup of group.rbGroups) {
|
||
for (const otherId of rbGroup) {
|
||
if (otherId !== id) {
|
||
this.#groups.get(otherId)?._setVisible(INTERNAL, false, true);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
group._setVisible(INTERNAL, !!visible, true);
|
||
this.#cachedGetHash = null;
|
||
}
|
||
setOCGState({
|
||
state,
|
||
preserveRB
|
||
}) {
|
||
let operator;
|
||
for (const elem of state) {
|
||
switch (elem) {
|
||
case "ON":
|
||
case "OFF":
|
||
case "Toggle":
|
||
operator = elem;
|
||
continue;
|
||
}
|
||
const group = this.#groups.get(elem);
|
||
if (!group) {
|
||
continue;
|
||
}
|
||
switch (operator) {
|
||
case "ON":
|
||
this.setVisibility(elem, true, preserveRB);
|
||
break;
|
||
case "OFF":
|
||
this.setVisibility(elem, false, preserveRB);
|
||
break;
|
||
case "Toggle":
|
||
this.setVisibility(elem, !group.visible, preserveRB);
|
||
break;
|
||
}
|
||
}
|
||
this.#cachedGetHash = null;
|
||
}
|
||
get hasInitialVisibility() {
|
||
return this.#initialHash === null || this.getHash() === this.#initialHash;
|
||
}
|
||
getOrder() {
|
||
if (!this.#groups.size) {
|
||
return null;
|
||
}
|
||
if (this.#order) {
|
||
return this.#order.slice();
|
||
}
|
||
return [...this.#groups.keys()];
|
||
}
|
||
getGroups() {
|
||
return this.#groups.size > 0 ? objectFromMap(this.#groups) : null;
|
||
}
|
||
getGroup(id) {
|
||
return this.#groups.get(id) || null;
|
||
}
|
||
getHash() {
|
||
if (this.#cachedGetHash !== null) {
|
||
return this.#cachedGetHash;
|
||
}
|
||
const hash = new MurmurHash3_64();
|
||
for (const [id, group] of this.#groups) {
|
||
hash.update(`${id}:${group.visible}`);
|
||
}
|
||
return this.#cachedGetHash = hash.hexdigest();
|
||
}
|
||
}
|
||
|
||
;// ./src/display/transport_stream.js
|
||
|
||
|
||
class PDFDataTransportStream {
|
||
constructor(pdfDataRangeTransport, {
|
||
disableRange = false,
|
||
disableStream = false
|
||
}) {
|
||
assert(pdfDataRangeTransport, 'PDFDataTransportStream - missing required "pdfDataRangeTransport" argument.');
|
||
const {
|
||
length,
|
||
initialData,
|
||
progressiveDone,
|
||
contentDispositionFilename
|
||
} = pdfDataRangeTransport;
|
||
this._queuedChunks = [];
|
||
this._progressiveDone = progressiveDone;
|
||
this._contentDispositionFilename = contentDispositionFilename;
|
||
if (initialData?.length > 0) {
|
||
const buffer = initialData instanceof Uint8Array && initialData.byteLength === initialData.buffer.byteLength ? initialData.buffer : new Uint8Array(initialData).buffer;
|
||
this._queuedChunks.push(buffer);
|
||
}
|
||
this._pdfDataRangeTransport = pdfDataRangeTransport;
|
||
this._isStreamingSupported = !disableStream;
|
||
this._isRangeSupported = !disableRange;
|
||
this._contentLength = length;
|
||
this._fullRequestReader = null;
|
||
this._rangeReaders = [];
|
||
pdfDataRangeTransport.addRangeListener((begin, chunk) => {
|
||
this._onReceiveData({
|
||
begin,
|
||
chunk
|
||
});
|
||
});
|
||
pdfDataRangeTransport.addProgressListener((loaded, total) => {
|
||
this._onProgress({
|
||
loaded,
|
||
total
|
||
});
|
||
});
|
||
pdfDataRangeTransport.addProgressiveReadListener(chunk => {
|
||
this._onReceiveData({
|
||
chunk
|
||
});
|
||
});
|
||
pdfDataRangeTransport.addProgressiveDoneListener(() => {
|
||
this._onProgressiveDone();
|
||
});
|
||
pdfDataRangeTransport.transportReady();
|
||
}
|
||
_onReceiveData({
|
||
begin,
|
||
chunk
|
||
}) {
|
||
const buffer = chunk instanceof Uint8Array && chunk.byteLength === chunk.buffer.byteLength ? chunk.buffer : new Uint8Array(chunk).buffer;
|
||
if (begin === undefined) {
|
||
if (this._fullRequestReader) {
|
||
this._fullRequestReader._enqueue(buffer);
|
||
} else {
|
||
this._queuedChunks.push(buffer);
|
||
}
|
||
} else {
|
||
const found = this._rangeReaders.some(function (rangeReader) {
|
||
if (rangeReader._begin !== begin) {
|
||
return false;
|
||
}
|
||
rangeReader._enqueue(buffer);
|
||
return true;
|
||
});
|
||
assert(found, "_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.");
|
||
}
|
||
}
|
||
get _progressiveDataLength() {
|
||
return this._fullRequestReader?._loaded ?? 0;
|
||
}
|
||
_onProgress(evt) {
|
||
if (evt.total === undefined) {
|
||
this._rangeReaders[0]?.onProgress?.({
|
||
loaded: evt.loaded
|
||
});
|
||
} else {
|
||
this._fullRequestReader?.onProgress?.({
|
||
loaded: evt.loaded,
|
||
total: evt.total
|
||
});
|
||
}
|
||
}
|
||
_onProgressiveDone() {
|
||
this._fullRequestReader?.progressiveDone();
|
||
this._progressiveDone = true;
|
||
}
|
||
_removeRangeReader(reader) {
|
||
const i = this._rangeReaders.indexOf(reader);
|
||
if (i >= 0) {
|
||
this._rangeReaders.splice(i, 1);
|
||
}
|
||
}
|
||
getFullReader() {
|
||
assert(!this._fullRequestReader, "PDFDataTransportStream.getFullReader can only be called once.");
|
||
const queuedChunks = this._queuedChunks;
|
||
this._queuedChunks = null;
|
||
return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone, this._contentDispositionFilename);
|
||
}
|
||
getRangeReader(begin, end) {
|
||
if (end <= this._progressiveDataLength) {
|
||
return null;
|
||
}
|
||
const reader = new PDFDataTransportStreamRangeReader(this, begin, end);
|
||
this._pdfDataRangeTransport.requestDataRange(begin, end);
|
||
this._rangeReaders.push(reader);
|
||
return reader;
|
||
}
|
||
cancelAllRequests(reason) {
|
||
this._fullRequestReader?.cancel(reason);
|
||
for (const reader of this._rangeReaders.slice(0)) {
|
||
reader.cancel(reason);
|
||
}
|
||
this._pdfDataRangeTransport.abort();
|
||
}
|
||
}
|
||
class PDFDataTransportStreamReader {
|
||
constructor(stream, queuedChunks, progressiveDone = false, contentDispositionFilename = null) {
|
||
this._stream = stream;
|
||
this._done = progressiveDone || false;
|
||
this._filename = isPdfFile(contentDispositionFilename) ? contentDispositionFilename : null;
|
||
this._queuedChunks = queuedChunks || [];
|
||
this._loaded = 0;
|
||
for (const chunk of this._queuedChunks) {
|
||
this._loaded += chunk.byteLength;
|
||
}
|
||
this._requests = [];
|
||
this._headersReady = Promise.resolve();
|
||
stream._fullRequestReader = this;
|
||
this.onProgress = null;
|
||
}
|
||
_enqueue(chunk) {
|
||
if (this._done) {
|
||
return;
|
||
}
|
||
if (this._requests.length > 0) {
|
||
const requestCapability = this._requests.shift();
|
||
requestCapability.resolve({
|
||
value: chunk,
|
||
done: false
|
||
});
|
||
} else {
|
||
this._queuedChunks.push(chunk);
|
||
}
|
||
this._loaded += chunk.byteLength;
|
||
}
|
||
get headersReady() {
|
||
return this._headersReady;
|
||
}
|
||
get filename() {
|
||
return this._filename;
|
||
}
|
||
get isRangeSupported() {
|
||
return this._stream._isRangeSupported;
|
||
}
|
||
get isStreamingSupported() {
|
||
return this._stream._isStreamingSupported;
|
||
}
|
||
get contentLength() {
|
||
return this._stream._contentLength;
|
||
}
|
||
async read() {
|
||
if (this._queuedChunks.length > 0) {
|
||
const chunk = this._queuedChunks.shift();
|
||
return {
|
||
value: chunk,
|
||
done: false
|
||
};
|
||
}
|
||
if (this._done) {
|
||
return {
|
||
value: undefined,
|
||
done: true
|
||
};
|
||
}
|
||
const requestCapability = Promise.withResolvers();
|
||
this._requests.push(requestCapability);
|
||
return requestCapability.promise;
|
||
}
|
||
cancel(reason) {
|
||
this._done = true;
|
||
for (const requestCapability of this._requests) {
|
||
requestCapability.resolve({
|
||
value: undefined,
|
||
done: true
|
||
});
|
||
}
|
||
this._requests.length = 0;
|
||
}
|
||
progressiveDone() {
|
||
if (this._done) {
|
||
return;
|
||
}
|
||
this._done = true;
|
||
}
|
||
}
|
||
class PDFDataTransportStreamRangeReader {
|
||
constructor(stream, begin, end) {
|
||
this._stream = stream;
|
||
this._begin = begin;
|
||
this._end = end;
|
||
this._queuedChunk = null;
|
||
this._requests = [];
|
||
this._done = false;
|
||
this.onProgress = null;
|
||
}
|
||
_enqueue(chunk) {
|
||
if (this._done) {
|
||
return;
|
||
}
|
||
if (this._requests.length === 0) {
|
||
this._queuedChunk = chunk;
|
||
} else {
|
||
const requestsCapability = this._requests.shift();
|
||
requestsCapability.resolve({
|
||
value: chunk,
|
||
done: false
|
||
});
|
||
for (const requestCapability of this._requests) {
|
||
requestCapability.resolve({
|
||
value: undefined,
|
||
done: true
|
||
});
|
||
}
|
||
this._requests.length = 0;
|
||
}
|
||
this._done = true;
|
||
this._stream._removeRangeReader(this);
|
||
}
|
||
get isStreamingSupported() {
|
||
return false;
|
||
}
|
||
async read() {
|
||
if (this._queuedChunk) {
|
||
const chunk = this._queuedChunk;
|
||
this._queuedChunk = null;
|
||
return {
|
||
value: chunk,
|
||
done: false
|
||
};
|
||
}
|
||
if (this._done) {
|
||
return {
|
||
value: undefined,
|
||
done: true
|
||
};
|
||
}
|
||
const requestCapability = Promise.withResolvers();
|
||
this._requests.push(requestCapability);
|
||
return requestCapability.promise;
|
||
}
|
||
cancel(reason) {
|
||
this._done = true;
|
||
for (const requestCapability of this._requests) {
|
||
requestCapability.resolve({
|
||
value: undefined,
|
||
done: true
|
||
});
|
||
}
|
||
this._requests.length = 0;
|
||
this._stream._removeRangeReader(this);
|
||
}
|
||
}
|
||
|
||
;// ./src/display/content_disposition.js
|
||
|
||
function getFilenameFromContentDispositionHeader(contentDisposition) {
|
||
let needsEncodingFixup = true;
|
||
let tmp = toParamRegExp("filename\\*", "i").exec(contentDisposition);
|
||
if (tmp) {
|
||
tmp = tmp[1];
|
||
let filename = rfc2616unquote(tmp);
|
||
filename = unescape(filename);
|
||
filename = rfc5987decode(filename);
|
||
filename = rfc2047decode(filename);
|
||
return fixupEncoding(filename);
|
||
}
|
||
tmp = rfc2231getparam(contentDisposition);
|
||
if (tmp) {
|
||
const filename = rfc2047decode(tmp);
|
||
return fixupEncoding(filename);
|
||
}
|
||
tmp = toParamRegExp("filename", "i").exec(contentDisposition);
|
||
if (tmp) {
|
||
tmp = tmp[1];
|
||
let filename = rfc2616unquote(tmp);
|
||
filename = rfc2047decode(filename);
|
||
return fixupEncoding(filename);
|
||
}
|
||
function toParamRegExp(attributePattern, flags) {
|
||
return new RegExp("(?:^|;)\\s*" + attributePattern + "\\s*=\\s*" + "(" + '[^";\\s][^;\\s]*' + "|" + '"(?:[^"\\\\]|\\\\"?)+"?' + ")", flags);
|
||
}
|
||
function textdecode(encoding, value) {
|
||
if (encoding) {
|
||
if (!/^[\x00-\xFF]+$/.test(value)) {
|
||
return value;
|
||
}
|
||
try {
|
||
const decoder = new TextDecoder(encoding, {
|
||
fatal: true
|
||
});
|
||
const buffer = stringToBytes(value);
|
||
value = decoder.decode(buffer);
|
||
needsEncodingFixup = false;
|
||
} catch {}
|
||
}
|
||
return value;
|
||
}
|
||
function fixupEncoding(value) {
|
||
if (needsEncodingFixup && /[\x80-\xff]/.test(value)) {
|
||
value = textdecode("utf-8", value);
|
||
if (needsEncodingFixup) {
|
||
value = textdecode("iso-8859-1", value);
|
||
}
|
||
}
|
||
return value;
|
||
}
|
||
function rfc2231getparam(contentDispositionStr) {
|
||
const matches = [];
|
||
let match;
|
||
const iter = toParamRegExp("filename\\*((?!0\\d)\\d+)(\\*?)", "ig");
|
||
while ((match = iter.exec(contentDispositionStr)) !== null) {
|
||
let [, n, quot, part] = match;
|
||
n = parseInt(n, 10);
|
||
if (n in matches) {
|
||
if (n === 0) {
|
||
break;
|
||
}
|
||
continue;
|
||
}
|
||
matches[n] = [quot, part];
|
||
}
|
||
const parts = [];
|
||
for (let n = 0; n < matches.length; ++n) {
|
||
if (!(n in matches)) {
|
||
break;
|
||
}
|
||
let [quot, part] = matches[n];
|
||
part = rfc2616unquote(part);
|
||
if (quot) {
|
||
part = unescape(part);
|
||
if (n === 0) {
|
||
part = rfc5987decode(part);
|
||
}
|
||
}
|
||
parts.push(part);
|
||
}
|
||
return parts.join("");
|
||
}
|
||
function rfc2616unquote(value) {
|
||
if (value.startsWith('"')) {
|
||
const parts = value.slice(1).split('\\"');
|
||
for (let i = 0; i < parts.length; ++i) {
|
||
const quotindex = parts[i].indexOf('"');
|
||
if (quotindex !== -1) {
|
||
parts[i] = parts[i].slice(0, quotindex);
|
||
parts.length = i + 1;
|
||
}
|
||
parts[i] = parts[i].replaceAll(/\\(.)/g, "$1");
|
||
}
|
||
value = parts.join('"');
|
||
}
|
||
return value;
|
||
}
|
||
function rfc5987decode(extvalue) {
|
||
const encodingend = extvalue.indexOf("'");
|
||
if (encodingend === -1) {
|
||
return extvalue;
|
||
}
|
||
const encoding = extvalue.slice(0, encodingend);
|
||
const langvalue = extvalue.slice(encodingend + 1);
|
||
const value = langvalue.replace(/^[^']*'/, "");
|
||
return textdecode(encoding, value);
|
||
}
|
||
function rfc2047decode(value) {
|
||
if (!value.startsWith("=?") || /[\x00-\x19\x80-\xff]/.test(value)) {
|
||
return value;
|
||
}
|
||
return value.replaceAll(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (matches, charset, encoding, text) {
|
||
if (encoding === "q" || encoding === "Q") {
|
||
text = text.replaceAll("_", " ");
|
||
text = text.replaceAll(/=([0-9a-fA-F]{2})/g, function (match, hex) {
|
||
return String.fromCharCode(parseInt(hex, 16));
|
||
});
|
||
return textdecode(charset, text);
|
||
}
|
||
try {
|
||
text = atob(text);
|
||
} catch {}
|
||
return textdecode(charset, text);
|
||
});
|
||
}
|
||
return "";
|
||
}
|
||
|
||
;// ./src/display/network_utils.js
|
||
|
||
|
||
|
||
function createHeaders(isHttp, httpHeaders) {
|
||
const headers = new Headers();
|
||
if (!isHttp || !httpHeaders || typeof httpHeaders !== "object") {
|
||
return headers;
|
||
}
|
||
for (const key in httpHeaders) {
|
||
const val = httpHeaders[key];
|
||
if (val !== undefined) {
|
||
headers.append(key, val);
|
||
}
|
||
}
|
||
return headers;
|
||
}
|
||
function getResponseOrigin(url) {
|
||
try {
|
||
return new URL(url).origin;
|
||
} catch {}
|
||
return null;
|
||
}
|
||
function validateRangeRequestCapabilities({
|
||
responseHeaders,
|
||
isHttp,
|
||
rangeChunkSize,
|
||
disableRange
|
||
}) {
|
||
const returnValues = {
|
||
allowRangeRequests: false,
|
||
suggestedLength: undefined
|
||
};
|
||
const length = parseInt(responseHeaders.get("Content-Length"), 10);
|
||
if (!Number.isInteger(length)) {
|
||
return returnValues;
|
||
}
|
||
returnValues.suggestedLength = length;
|
||
if (length <= 2 * rangeChunkSize) {
|
||
return returnValues;
|
||
}
|
||
if (disableRange || !isHttp) {
|
||
return returnValues;
|
||
}
|
||
if (responseHeaders.get("Accept-Ranges") !== "bytes") {
|
||
return returnValues;
|
||
}
|
||
const contentEncoding = responseHeaders.get("Content-Encoding") || "identity";
|
||
if (contentEncoding !== "identity") {
|
||
return returnValues;
|
||
}
|
||
returnValues.allowRangeRequests = true;
|
||
return returnValues;
|
||
}
|
||
function extractFilenameFromHeader(responseHeaders) {
|
||
const contentDisposition = responseHeaders.get("Content-Disposition");
|
||
if (contentDisposition) {
|
||
let filename = getFilenameFromContentDispositionHeader(contentDisposition);
|
||
if (filename.includes("%")) {
|
||
try {
|
||
filename = decodeURIComponent(filename);
|
||
} catch {}
|
||
}
|
||
if (isPdfFile(filename)) {
|
||
return filename;
|
||
}
|
||
}
|
||
return null;
|
||
}
|
||
function createResponseStatusError(status, url) {
|
||
if (status === 404 || status === 0 && url.startsWith("file:")) {
|
||
return new MissingPDFException('Missing PDF "' + url + '".');
|
||
}
|
||
return new UnexpectedResponseException(`Unexpected server response (${status}) while retrieving PDF "${url}".`, status);
|
||
}
|
||
function validateResponseStatus(status) {
|
||
return status === 200 || status === 206;
|
||
}
|
||
|
||
;// ./src/display/fetch_stream.js
|
||
|
||
|
||
function createFetchOptions(headers, withCredentials, abortController) {
|
||
return {
|
||
method: "GET",
|
||
headers,
|
||
signal: abortController.signal,
|
||
mode: "cors",
|
||
credentials: withCredentials ? "include" : "same-origin",
|
||
redirect: "follow"
|
||
};
|
||
}
|
||
function getArrayBuffer(val) {
|
||
if (val instanceof Uint8Array) {
|
||
return val.buffer;
|
||
}
|
||
if (val instanceof ArrayBuffer) {
|
||
return val;
|
||
}
|
||
warn(`getArrayBuffer - unexpected data format: ${val}`);
|
||
return new Uint8Array(val).buffer;
|
||
}
|
||
class PDFFetchStream {
|
||
_responseOrigin = null;
|
||
constructor(source) {
|
||
this.source = source;
|
||
this.isHttp = /^https?:/i.test(source.url);
|
||
this.headers = createHeaders(this.isHttp, source.httpHeaders);
|
||
this._fullRequestReader = null;
|
||
this._rangeRequestReaders = [];
|
||
}
|
||
get _progressiveDataLength() {
|
||
return this._fullRequestReader?._loaded ?? 0;
|
||
}
|
||
getFullReader() {
|
||
assert(!this._fullRequestReader, "PDFFetchStream.getFullReader can only be called once.");
|
||
this._fullRequestReader = new PDFFetchStreamReader(this);
|
||
return this._fullRequestReader;
|
||
}
|
||
getRangeReader(begin, end) {
|
||
if (end <= this._progressiveDataLength) {
|
||
return null;
|
||
}
|
||
const reader = new PDFFetchStreamRangeReader(this, begin, end);
|
||
this._rangeRequestReaders.push(reader);
|
||
return reader;
|
||
}
|
||
cancelAllRequests(reason) {
|
||
this._fullRequestReader?.cancel(reason);
|
||
for (const reader of this._rangeRequestReaders.slice(0)) {
|
||
reader.cancel(reason);
|
||
}
|
||
}
|
||
}
|
||
class PDFFetchStreamReader {
|
||
constructor(stream) {
|
||
this._stream = stream;
|
||
this._reader = null;
|
||
this._loaded = 0;
|
||
this._filename = null;
|
||
const source = stream.source;
|
||
this._withCredentials = source.withCredentials || false;
|
||
this._contentLength = source.length;
|
||
this._headersCapability = Promise.withResolvers();
|
||
this._disableRange = source.disableRange || false;
|
||
this._rangeChunkSize = source.rangeChunkSize;
|
||
if (!this._rangeChunkSize && !this._disableRange) {
|
||
this._disableRange = true;
|
||
}
|
||
this._abortController = new AbortController();
|
||
this._isStreamingSupported = !source.disableStream;
|
||
this._isRangeSupported = !source.disableRange;
|
||
const headers = new Headers(stream.headers);
|
||
const url = source.url;
|
||
fetch(url, createFetchOptions(headers, this._withCredentials, this._abortController)).then(response => {
|
||
stream._responseOrigin = getResponseOrigin(response.url);
|
||
if (!validateResponseStatus(response.status)) {
|
||
throw createResponseStatusError(response.status, url);
|
||
}
|
||
this._reader = response.body.getReader();
|
||
this._headersCapability.resolve();
|
||
const responseHeaders = response.headers;
|
||
const {
|
||
allowRangeRequests,
|
||
suggestedLength
|
||
} = validateRangeRequestCapabilities({
|
||
responseHeaders,
|
||
isHttp: stream.isHttp,
|
||
rangeChunkSize: this._rangeChunkSize,
|
||
disableRange: this._disableRange
|
||
});
|
||
this._isRangeSupported = allowRangeRequests;
|
||
this._contentLength = suggestedLength || this._contentLength;
|
||
this._filename = extractFilenameFromHeader(responseHeaders);
|
||
if (!this._isStreamingSupported && this._isRangeSupported) {
|
||
this.cancel(new AbortException("Streaming is disabled."));
|
||
}
|
||
}).catch(this._headersCapability.reject);
|
||
this.onProgress = null;
|
||
}
|
||
get headersReady() {
|
||
return this._headersCapability.promise;
|
||
}
|
||
get filename() {
|
||
return this._filename;
|
||
}
|
||
get contentLength() {
|
||
return this._contentLength;
|
||
}
|
||
get isRangeSupported() {
|
||
return this._isRangeSupported;
|
||
}
|
||
get isStreamingSupported() {
|
||
return this._isStreamingSupported;
|
||
}
|
||
async read() {
|
||
await this._headersCapability.promise;
|
||
const {
|
||
value,
|
||
done
|
||
} = await this._reader.read();
|
||
if (done) {
|
||
return {
|
||
value,
|
||
done
|
||
};
|
||
}
|
||
this._loaded += value.byteLength;
|
||
this.onProgress?.({
|
||
loaded: this._loaded,
|
||
total: this._contentLength
|
||
});
|
||
return {
|
||
value: getArrayBuffer(value),
|
||
done: false
|
||
};
|
||
}
|
||
cancel(reason) {
|
||
this._reader?.cancel(reason);
|
||
this._abortController.abort();
|
||
}
|
||
}
|
||
class PDFFetchStreamRangeReader {
|
||
constructor(stream, begin, end) {
|
||
this._stream = stream;
|
||
this._reader = null;
|
||
this._loaded = 0;
|
||
const source = stream.source;
|
||
this._withCredentials = source.withCredentials || false;
|
||
this._readCapability = Promise.withResolvers();
|
||
this._isStreamingSupported = !source.disableStream;
|
||
this._abortController = new AbortController();
|
||
const headers = new Headers(stream.headers);
|
||
headers.append("Range", `bytes=${begin}-${end - 1}`);
|
||
const url = source.url;
|
||
fetch(url, createFetchOptions(headers, this._withCredentials, this._abortController)).then(response => {
|
||
const responseOrigin = getResponseOrigin(response.url);
|
||
if (responseOrigin !== stream._responseOrigin) {
|
||
throw new Error(`Expected range response-origin "${responseOrigin}" to match "${stream._responseOrigin}".`);
|
||
}
|
||
if (!validateResponseStatus(response.status)) {
|
||
throw createResponseStatusError(response.status, url);
|
||
}
|
||
this._readCapability.resolve();
|
||
this._reader = response.body.getReader();
|
||
}).catch(this._readCapability.reject);
|
||
this.onProgress = null;
|
||
}
|
||
get isStreamingSupported() {
|
||
return this._isStreamingSupported;
|
||
}
|
||
async read() {
|
||
await this._readCapability.promise;
|
||
const {
|
||
value,
|
||
done
|
||
} = await this._reader.read();
|
||
if (done) {
|
||
return {
|
||
value,
|
||
done
|
||
};
|
||
}
|
||
this._loaded += value.byteLength;
|
||
this.onProgress?.({
|
||
loaded: this._loaded
|
||
});
|
||
return {
|
||
value: getArrayBuffer(value),
|
||
done: false
|
||
};
|
||
}
|
||
cancel(reason) {
|
||
this._reader?.cancel(reason);
|
||
this._abortController.abort();
|
||
}
|
||
}
|
||
|
||
;// ./src/display/network.js
|
||
|
||
|
||
const OK_RESPONSE = 200;
|
||
const PARTIAL_CONTENT_RESPONSE = 206;
|
||
function network_getArrayBuffer(xhr) {
|
||
const data = xhr.response;
|
||
if (typeof data !== "string") {
|
||
return data;
|
||
}
|
||
return stringToBytes(data).buffer;
|
||
}
|
||
class NetworkManager {
|
||
_responseOrigin = null;
|
||
constructor({
|
||
url,
|
||
httpHeaders,
|
||
withCredentials
|
||
}) {
|
||
this.url = url;
|
||
this.isHttp = /^https?:/i.test(url);
|
||
this.headers = createHeaders(this.isHttp, httpHeaders);
|
||
this.withCredentials = withCredentials || false;
|
||
this.currXhrId = 0;
|
||
this.pendingRequests = Object.create(null);
|
||
}
|
||
request(args) {
|
||
const xhr = new XMLHttpRequest();
|
||
const xhrId = this.currXhrId++;
|
||
const pendingRequest = this.pendingRequests[xhrId] = {
|
||
xhr
|
||
};
|
||
xhr.open("GET", this.url);
|
||
xhr.withCredentials = this.withCredentials;
|
||
for (const [key, val] of this.headers) {
|
||
xhr.setRequestHeader(key, val);
|
||
}
|
||
if (this.isHttp && "begin" in args && "end" in args) {
|
||
xhr.setRequestHeader("Range", `bytes=${args.begin}-${args.end - 1}`);
|
||
pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;
|
||
} else {
|
||
pendingRequest.expectedStatus = OK_RESPONSE;
|
||
}
|
||
xhr.responseType = "arraybuffer";
|
||
assert(args.onError, "Expected `onError` callback to be provided.");
|
||
xhr.onerror = () => {
|
||
args.onError(xhr.status);
|
||
};
|
||
xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
|
||
xhr.onprogress = this.onProgress.bind(this, xhrId);
|
||
pendingRequest.onHeadersReceived = args.onHeadersReceived;
|
||
pendingRequest.onDone = args.onDone;
|
||
pendingRequest.onError = args.onError;
|
||
pendingRequest.onProgress = args.onProgress;
|
||
xhr.send(null);
|
||
return xhrId;
|
||
}
|
||
onProgress(xhrId, evt) {
|
||
const pendingRequest = this.pendingRequests[xhrId];
|
||
if (!pendingRequest) {
|
||
return;
|
||
}
|
||
pendingRequest.onProgress?.(evt);
|
||
}
|
||
onStateChange(xhrId, evt) {
|
||
const pendingRequest = this.pendingRequests[xhrId];
|
||
if (!pendingRequest) {
|
||
return;
|
||
}
|
||
const xhr = pendingRequest.xhr;
|
||
if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {
|
||
pendingRequest.onHeadersReceived();
|
||
delete pendingRequest.onHeadersReceived;
|
||
}
|
||
if (xhr.readyState !== 4) {
|
||
return;
|
||
}
|
||
if (!(xhrId in this.pendingRequests)) {
|
||
return;
|
||
}
|
||
delete this.pendingRequests[xhrId];
|
||
if (xhr.status === 0 && this.isHttp) {
|
||
pendingRequest.onError(xhr.status);
|
||
return;
|
||
}
|
||
const xhrStatus = xhr.status || OK_RESPONSE;
|
||
const ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;
|
||
if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) {
|
||
pendingRequest.onError(xhr.status);
|
||
return;
|
||
}
|
||
const chunk = network_getArrayBuffer(xhr);
|
||
if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
|
||
const rangeHeader = xhr.getResponseHeader("Content-Range");
|
||
const matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
|
||
if (matches) {
|
||
pendingRequest.onDone({
|
||
begin: parseInt(matches[1], 10),
|
||
chunk
|
||
});
|
||
} else {
|
||
warn(`Missing or invalid "Content-Range" header.`);
|
||
pendingRequest.onError(0);
|
||
}
|
||
} else if (chunk) {
|
||
pendingRequest.onDone({
|
||
begin: 0,
|
||
chunk
|
||
});
|
||
} else {
|
||
pendingRequest.onError(xhr.status);
|
||
}
|
||
}
|
||
getRequestXhr(xhrId) {
|
||
return this.pendingRequests[xhrId].xhr;
|
||
}
|
||
isPendingRequest(xhrId) {
|
||
return xhrId in this.pendingRequests;
|
||
}
|
||
abortRequest(xhrId) {
|
||
const xhr = this.pendingRequests[xhrId].xhr;
|
||
delete this.pendingRequests[xhrId];
|
||
xhr.abort();
|
||
}
|
||
}
|
||
class PDFNetworkStream {
|
||
constructor(source) {
|
||
this._source = source;
|
||
this._manager = new NetworkManager(source);
|
||
this._rangeChunkSize = source.rangeChunkSize;
|
||
this._fullRequestReader = null;
|
||
this._rangeRequestReaders = [];
|
||
}
|
||
_onRangeRequestReaderClosed(reader) {
|
||
const i = this._rangeRequestReaders.indexOf(reader);
|
||
if (i >= 0) {
|
||
this._rangeRequestReaders.splice(i, 1);
|
||
}
|
||
}
|
||
getFullReader() {
|
||
assert(!this._fullRequestReader, "PDFNetworkStream.getFullReader can only be called once.");
|
||
this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source);
|
||
return this._fullRequestReader;
|
||
}
|
||
getRangeReader(begin, end) {
|
||
const reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
|
||
reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
|
||
this._rangeRequestReaders.push(reader);
|
||
return reader;
|
||
}
|
||
cancelAllRequests(reason) {
|
||
this._fullRequestReader?.cancel(reason);
|
||
for (const reader of this._rangeRequestReaders.slice(0)) {
|
||
reader.cancel(reason);
|
||
}
|
||
}
|
||
}
|
||
class PDFNetworkStreamFullRequestReader {
|
||
constructor(manager, source) {
|
||
this._manager = manager;
|
||
this._url = source.url;
|
||
this._fullRequestId = manager.request({
|
||
onHeadersReceived: this._onHeadersReceived.bind(this),
|
||
onDone: this._onDone.bind(this),
|
||
onError: this._onError.bind(this),
|
||
onProgress: this._onProgress.bind(this)
|
||
});
|
||
this._headersCapability = Promise.withResolvers();
|
||
this._disableRange = source.disableRange || false;
|
||
this._contentLength = source.length;
|
||
this._rangeChunkSize = source.rangeChunkSize;
|
||
if (!this._rangeChunkSize && !this._disableRange) {
|
||
this._disableRange = true;
|
||
}
|
||
this._isStreamingSupported = false;
|
||
this._isRangeSupported = false;
|
||
this._cachedChunks = [];
|
||
this._requests = [];
|
||
this._done = false;
|
||
this._storedError = undefined;
|
||
this._filename = null;
|
||
this.onProgress = null;
|
||
}
|
||
_onHeadersReceived() {
|
||
const fullRequestXhrId = this._fullRequestId;
|
||
const fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);
|
||
this._manager._responseOrigin = getResponseOrigin(fullRequestXhr.responseURL);
|
||
const rawResponseHeaders = fullRequestXhr.getAllResponseHeaders();
|
||
const responseHeaders = new Headers(rawResponseHeaders ? rawResponseHeaders.trimStart().replace(/[^\S ]+$/, "").split(/[\r\n]+/).map(x => {
|
||
const [key, ...val] = x.split(": ");
|
||
return [key, val.join(": ")];
|
||
}) : []);
|
||
const {
|
||
allowRangeRequests,
|
||
suggestedLength
|
||
} = validateRangeRequestCapabilities({
|
||
responseHeaders,
|
||
isHttp: this._manager.isHttp,
|
||
rangeChunkSize: this._rangeChunkSize,
|
||
disableRange: this._disableRange
|
||
});
|
||
if (allowRangeRequests) {
|
||
this._isRangeSupported = true;
|
||
}
|
||
this._contentLength = suggestedLength || this._contentLength;
|
||
this._filename = extractFilenameFromHeader(responseHeaders);
|
||
if (this._isRangeSupported) {
|
||
this._manager.abortRequest(fullRequestXhrId);
|
||
}
|
||
this._headersCapability.resolve();
|
||
}
|
||
_onDone(data) {
|
||
if (data) {
|
||
if (this._requests.length > 0) {
|
||
const requestCapability = this._requests.shift();
|
||
requestCapability.resolve({
|
||
value: data.chunk,
|
||
done: false
|
||
});
|
||
} else {
|
||
this._cachedChunks.push(data.chunk);
|
||
}
|
||
}
|
||
this._done = true;
|
||
if (this._cachedChunks.length > 0) {
|
||
return;
|
||
}
|
||
for (const requestCapability of this._requests) {
|
||
requestCapability.resolve({
|
||
value: undefined,
|
||
done: true
|
||
});
|
||
}
|
||
this._requests.length = 0;
|
||
}
|
||
_onError(status) {
|
||
this._storedError = createResponseStatusError(status, this._url);
|
||
this._headersCapability.reject(this._storedError);
|
||
for (const requestCapability of this._requests) {
|
||
requestCapability.reject(this._storedError);
|
||
}
|
||
this._requests.length = 0;
|
||
this._cachedChunks.length = 0;
|
||
}
|
||
_onProgress(evt) {
|
||
this.onProgress?.({
|
||
loaded: evt.loaded,
|
||
total: evt.lengthComputable ? evt.total : this._contentLength
|
||
});
|
||
}
|
||
get filename() {
|
||
return this._filename;
|
||
}
|
||
get isRangeSupported() {
|
||
return this._isRangeSupported;
|
||
}
|
||
get isStreamingSupported() {
|
||
return this._isStreamingSupported;
|
||
}
|
||
get contentLength() {
|
||
return this._contentLength;
|
||
}
|
||
get headersReady() {
|
||
return this._headersCapability.promise;
|
||
}
|
||
async read() {
|
||
await this._headersCapability.promise;
|
||
if (this._storedError) {
|
||
throw this._storedError;
|
||
}
|
||
if (this._cachedChunks.length > 0) {
|
||
const chunk = this._cachedChunks.shift();
|
||
return {
|
||
value: chunk,
|
||
done: false
|
||
};
|
||
}
|
||
if (this._done) {
|
||
return {
|
||
value: undefined,
|
||
done: true
|
||
};
|
||
}
|
||
const requestCapability = Promise.withResolvers();
|
||
this._requests.push(requestCapability);
|
||
return requestCapability.promise;
|
||
}
|
||
cancel(reason) {
|
||
this._done = true;
|
||
this._headersCapability.reject(reason);
|
||
for (const requestCapability of this._requests) {
|
||
requestCapability.resolve({
|
||
value: undefined,
|
||
done: true
|
||
});
|
||
}
|
||
this._requests.length = 0;
|
||
if (this._manager.isPendingRequest(this._fullRequestId)) {
|
||
this._manager.abortRequest(this._fullRequestId);
|
||
}
|
||
this._fullRequestReader = null;
|
||
}
|
||
}
|
||
class PDFNetworkStreamRangeRequestReader {
|
||
constructor(manager, begin, end) {
|
||
this._manager = manager;
|
||
this._url = manager.url;
|
||
this._requestId = manager.request({
|
||
begin,
|
||
end,
|
||
onHeadersReceived: this._onHeadersReceived.bind(this),
|
||
onDone: this._onDone.bind(this),
|
||
onError: this._onError.bind(this),
|
||
onProgress: this._onProgress.bind(this)
|
||
});
|
||
this._requests = [];
|
||
this._queuedChunk = null;
|
||
this._done = false;
|
||
this._storedError = undefined;
|
||
this.onProgress = null;
|
||
this.onClosed = null;
|
||
}
|
||
_onHeadersReceived() {
|
||
const responseOrigin = getResponseOrigin(this._manager.getRequestXhr(this._requestId)?.responseURL);
|
||
if (responseOrigin !== this._manager._responseOrigin) {
|
||
this._storedError = new Error(`Expected range response-origin "${responseOrigin}" to match "${this._manager._responseOrigin}".`);
|
||
this._onError(0);
|
||
}
|
||
}
|
||
_close() {
|
||
this.onClosed?.(this);
|
||
}
|
||
_onDone(data) {
|
||
const chunk = data.chunk;
|
||
if (this._requests.length > 0) {
|
||
const requestCapability = this._requests.shift();
|
||
requestCapability.resolve({
|
||
value: chunk,
|
||
done: false
|
||
});
|
||
} else {
|
||
this._queuedChunk = chunk;
|
||
}
|
||
this._done = true;
|
||
for (const requestCapability of this._requests) {
|
||
requestCapability.resolve({
|
||
value: undefined,
|
||
done: true
|
||
});
|
||
}
|
||
this._requests.length = 0;
|
||
this._close();
|
||
}
|
||
_onError(status) {
|
||
this._storedError ??= createResponseStatusError(status, this._url);
|
||
for (const requestCapability of this._requests) {
|
||
requestCapability.reject(this._storedError);
|
||
}
|
||
this._requests.length = 0;
|
||
this._queuedChunk = null;
|
||
}
|
||
_onProgress(evt) {
|
||
if (!this.isStreamingSupported) {
|
||
this.onProgress?.({
|
||
loaded: evt.loaded
|
||
});
|
||
}
|
||
}
|
||
get isStreamingSupported() {
|
||
return false;
|
||
}
|
||
async read() {
|
||
if (this._storedError) {
|
||
throw this._storedError;
|
||
}
|
||
if (this._queuedChunk !== null) {
|
||
const chunk = this._queuedChunk;
|
||
this._queuedChunk = null;
|
||
return {
|
||
value: chunk,
|
||
done: false
|
||
};
|
||
}
|
||
if (this._done) {
|
||
return {
|
||
value: undefined,
|
||
done: true
|
||
};
|
||
}
|
||
const requestCapability = Promise.withResolvers();
|
||
this._requests.push(requestCapability);
|
||
return requestCapability.promise;
|
||
}
|
||
cancel(reason) {
|
||
this._done = true;
|
||
for (const requestCapability of this._requests) {
|
||
requestCapability.resolve({
|
||
value: undefined,
|
||
done: true
|
||
});
|
||
}
|
||
this._requests.length = 0;
|
||
if (this._manager.isPendingRequest(this._requestId)) {
|
||
this._manager.abortRequest(this._requestId);
|
||
}
|
||
this._close();
|
||
}
|
||
}
|
||
|
||
;// ./src/display/node_stream.js
|
||
|
||
const urlRegex = /^[a-z][a-z0-9\-+.]+:/i;
|
||
function parseUrlOrPath(sourceUrl) {
|
||
if (urlRegex.test(sourceUrl)) {
|
||
return new URL(sourceUrl);
|
||
}
|
||
const url = process.getBuiltinModule("url");
|
||
return new URL(url.pathToFileURL(sourceUrl));
|
||
}
|
||
class PDFNodeStream {
|
||
constructor(source) {
|
||
this.source = source;
|
||
this.url = parseUrlOrPath(source.url);
|
||
assert(this.url.protocol === "file:", "PDFNodeStream only supports file:// URLs.");
|
||
this._fullRequestReader = null;
|
||
this._rangeRequestReaders = [];
|
||
}
|
||
get _progressiveDataLength() {
|
||
return this._fullRequestReader?._loaded ?? 0;
|
||
}
|
||
getFullReader() {
|
||
assert(!this._fullRequestReader, "PDFNodeStream.getFullReader can only be called once.");
|
||
this._fullRequestReader = new PDFNodeStreamFsFullReader(this);
|
||
return this._fullRequestReader;
|
||
}
|
||
getRangeReader(start, end) {
|
||
if (end <= this._progressiveDataLength) {
|
||
return null;
|
||
}
|
||
const rangeReader = new PDFNodeStreamFsRangeReader(this, start, end);
|
||
this._rangeRequestReaders.push(rangeReader);
|
||
return rangeReader;
|
||
}
|
||
cancelAllRequests(reason) {
|
||
this._fullRequestReader?.cancel(reason);
|
||
for (const reader of this._rangeRequestReaders.slice(0)) {
|
||
reader.cancel(reason);
|
||
}
|
||
}
|
||
}
|
||
class PDFNodeStreamFsFullReader {
|
||
constructor(stream) {
|
||
this._url = stream.url;
|
||
this._done = false;
|
||
this._storedError = null;
|
||
this.onProgress = null;
|
||
const source = stream.source;
|
||
this._contentLength = source.length;
|
||
this._loaded = 0;
|
||
this._filename = null;
|
||
this._disableRange = source.disableRange || false;
|
||
this._rangeChunkSize = source.rangeChunkSize;
|
||
if (!this._rangeChunkSize && !this._disableRange) {
|
||
this._disableRange = true;
|
||
}
|
||
this._isStreamingSupported = !source.disableStream;
|
||
this._isRangeSupported = !source.disableRange;
|
||
this._readableStream = null;
|
||
this._readCapability = Promise.withResolvers();
|
||
this._headersCapability = Promise.withResolvers();
|
||
const fs = process.getBuiltinModule("fs");
|
||
fs.promises.lstat(this._url).then(stat => {
|
||
this._contentLength = stat.size;
|
||
this._setReadableStream(fs.createReadStream(this._url));
|
||
this._headersCapability.resolve();
|
||
}, error => {
|
||
if (error.code === "ENOENT") {
|
||
error = new MissingPDFException(`Missing PDF "${this._url}".`);
|
||
}
|
||
this._storedError = error;
|
||
this._headersCapability.reject(error);
|
||
});
|
||
}
|
||
get headersReady() {
|
||
return this._headersCapability.promise;
|
||
}
|
||
get filename() {
|
||
return this._filename;
|
||
}
|
||
get contentLength() {
|
||
return this._contentLength;
|
||
}
|
||
get isRangeSupported() {
|
||
return this._isRangeSupported;
|
||
}
|
||
get isStreamingSupported() {
|
||
return this._isStreamingSupported;
|
||
}
|
||
async read() {
|
||
await this._readCapability.promise;
|
||
if (this._done) {
|
||
return {
|
||
value: undefined,
|
||
done: true
|
||
};
|
||
}
|
||
if (this._storedError) {
|
||
throw this._storedError;
|
||
}
|
||
const chunk = this._readableStream.read();
|
||
if (chunk === null) {
|
||
this._readCapability = Promise.withResolvers();
|
||
return this.read();
|
||
}
|
||
this._loaded += chunk.length;
|
||
this.onProgress?.({
|
||
loaded: this._loaded,
|
||
total: this._contentLength
|
||
});
|
||
const buffer = new Uint8Array(chunk).buffer;
|
||
return {
|
||
value: buffer,
|
||
done: false
|
||
};
|
||
}
|
||
cancel(reason) {
|
||
if (!this._readableStream) {
|
||
this._error(reason);
|
||
return;
|
||
}
|
||
this._readableStream.destroy(reason);
|
||
}
|
||
_error(reason) {
|
||
this._storedError = reason;
|
||
this._readCapability.resolve();
|
||
}
|
||
_setReadableStream(readableStream) {
|
||
this._readableStream = readableStream;
|
||
readableStream.on("readable", () => {
|
||
this._readCapability.resolve();
|
||
});
|
||
readableStream.on("end", () => {
|
||
readableStream.destroy();
|
||
this._done = true;
|
||
this._readCapability.resolve();
|
||
});
|
||
readableStream.on("error", reason => {
|
||
this._error(reason);
|
||
});
|
||
if (!this._isStreamingSupported && this._isRangeSupported) {
|
||
this._error(new AbortException("streaming is disabled"));
|
||
}
|
||
if (this._storedError) {
|
||
this._readableStream.destroy(this._storedError);
|
||
}
|
||
}
|
||
}
|
||
class PDFNodeStreamFsRangeReader {
|
||
constructor(stream, start, end) {
|
||
this._url = stream.url;
|
||
this._done = false;
|
||
this._storedError = null;
|
||
this.onProgress = null;
|
||
this._loaded = 0;
|
||
this._readableStream = null;
|
||
this._readCapability = Promise.withResolvers();
|
||
const source = stream.source;
|
||
this._isStreamingSupported = !source.disableStream;
|
||
const fs = process.getBuiltinModule("fs");
|
||
this._setReadableStream(fs.createReadStream(this._url, {
|
||
start,
|
||
end: end - 1
|
||
}));
|
||
}
|
||
get isStreamingSupported() {
|
||
return this._isStreamingSupported;
|
||
}
|
||
async read() {
|
||
await this._readCapability.promise;
|
||
if (this._done) {
|
||
return {
|
||
value: undefined,
|
||
done: true
|
||
};
|
||
}
|
||
if (this._storedError) {
|
||
throw this._storedError;
|
||
}
|
||
const chunk = this._readableStream.read();
|
||
if (chunk === null) {
|
||
this._readCapability = Promise.withResolvers();
|
||
return this.read();
|
||
}
|
||
this._loaded += chunk.length;
|
||
this.onProgress?.({
|
||
loaded: this._loaded
|
||
});
|
||
const buffer = new Uint8Array(chunk).buffer;
|
||
return {
|
||
value: buffer,
|
||
done: false
|
||
};
|
||
}
|
||
cancel(reason) {
|
||
if (!this._readableStream) {
|
||
this._error(reason);
|
||
return;
|
||
}
|
||
this._readableStream.destroy(reason);
|
||
}
|
||
_error(reason) {
|
||
this._storedError = reason;
|
||
this._readCapability.resolve();
|
||
}
|
||
_setReadableStream(readableStream) {
|
||
this._readableStream = readableStream;
|
||
readableStream.on("readable", () => {
|
||
this._readCapability.resolve();
|
||
});
|
||
readableStream.on("end", () => {
|
||
readableStream.destroy();
|
||
this._done = true;
|
||
this._readCapability.resolve();
|
||
});
|
||
readableStream.on("error", reason => {
|
||
this._error(reason);
|
||
});
|
||
if (this._storedError) {
|
||
this._readableStream.destroy(this._storedError);
|
||
}
|
||
}
|
||
}
|
||
|
||
;// ./src/display/text_layer.js
|
||
|
||
|
||
const MAX_TEXT_DIVS_TO_RENDER = 100000;
|
||
const DEFAULT_FONT_SIZE = 30;
|
||
const DEFAULT_FONT_ASCENT = 0.8;
|
||
class TextLayer {
|
||
#capability = Promise.withResolvers();
|
||
#container = null;
|
||
#disableProcessItems = false;
|
||
#fontInspectorEnabled = !!globalThis.FontInspector?.enabled;
|
||
#lang = null;
|
||
#layoutTextParams = null;
|
||
#pageHeight = 0;
|
||
#pageWidth = 0;
|
||
#reader = null;
|
||
#rootContainer = null;
|
||
#rotation = 0;
|
||
#scale = 0;
|
||
#styleCache = Object.create(null);
|
||
#textContentItemsStr = [];
|
||
#textContentSource = null;
|
||
#textDivs = [];
|
||
#textDivProperties = new WeakMap();
|
||
#transform = null;
|
||
static #ascentCache = new Map();
|
||
static #canvasContexts = new Map();
|
||
static #canvasCtxFonts = new WeakMap();
|
||
static #minFontSize = null;
|
||
static #pendingTextLayers = new Set();
|
||
constructor({
|
||
textContentSource,
|
||
container,
|
||
viewport
|
||
}) {
|
||
if (textContentSource instanceof ReadableStream) {
|
||
this.#textContentSource = textContentSource;
|
||
} else if (typeof textContentSource === "object") {
|
||
this.#textContentSource = new ReadableStream({
|
||
start(controller) {
|
||
controller.enqueue(textContentSource);
|
||
controller.close();
|
||
}
|
||
});
|
||
} else {
|
||
throw new Error('No "textContentSource" parameter specified.');
|
||
}
|
||
this.#container = this.#rootContainer = container;
|
||
this.#scale = viewport.scale * (globalThis.devicePixelRatio || 1);
|
||
this.#rotation = viewport.rotation;
|
||
this.#layoutTextParams = {
|
||
div: null,
|
||
properties: null,
|
||
ctx: null
|
||
};
|
||
const {
|
||
pageWidth,
|
||
pageHeight,
|
||
pageX,
|
||
pageY
|
||
} = viewport.rawDims;
|
||
this.#transform = [1, 0, 0, -1, -pageX, pageY + pageHeight];
|
||
this.#pageWidth = pageWidth;
|
||
this.#pageHeight = pageHeight;
|
||
TextLayer.#ensureMinFontSizeComputed();
|
||
setLayerDimensions(container, viewport);
|
||
this.#capability.promise.finally(() => {
|
||
TextLayer.#pendingTextLayers.delete(this);
|
||
this.#layoutTextParams = null;
|
||
this.#styleCache = null;
|
||
}).catch(() => {});
|
||
}
|
||
static get fontFamilyMap() {
|
||
const {
|
||
isWindows,
|
||
isFirefox
|
||
} = util_FeatureTest.platform;
|
||
return shadow(this, "fontFamilyMap", new Map([["sans-serif", `${isWindows && isFirefox ? "Calibri, " : ""}sans-serif`], ["monospace", `${isWindows && isFirefox ? "Lucida Console, " : ""}monospace`]]));
|
||
}
|
||
render() {
|
||
const pump = () => {
|
||
this.#reader.read().then(({
|
||
value,
|
||
done
|
||
}) => {
|
||
if (done) {
|
||
this.#capability.resolve();
|
||
return;
|
||
}
|
||
this.#lang ??= value.lang;
|
||
Object.assign(this.#styleCache, value.styles);
|
||
this.#processItems(value.items);
|
||
pump();
|
||
}, this.#capability.reject);
|
||
};
|
||
this.#reader = this.#textContentSource.getReader();
|
||
TextLayer.#pendingTextLayers.add(this);
|
||
pump();
|
||
return this.#capability.promise;
|
||
}
|
||
update({
|
||
viewport,
|
||
onBefore = null
|
||
}) {
|
||
const scale = viewport.scale * (globalThis.devicePixelRatio || 1);
|
||
const rotation = viewport.rotation;
|
||
if (rotation !== this.#rotation) {
|
||
onBefore?.();
|
||
this.#rotation = rotation;
|
||
setLayerDimensions(this.#rootContainer, {
|
||
rotation
|
||
});
|
||
}
|
||
if (scale !== this.#scale) {
|
||
onBefore?.();
|
||
this.#scale = scale;
|
||
const params = {
|
||
div: null,
|
||
properties: null,
|
||
ctx: TextLayer.#getCtx(this.#lang)
|
||
};
|
||
for (const div of this.#textDivs) {
|
||
params.properties = this.#textDivProperties.get(div);
|
||
params.div = div;
|
||
this.#layout(params);
|
||
}
|
||
}
|
||
}
|
||
cancel() {
|
||
const abortEx = new AbortException("TextLayer task cancelled.");
|
||
this.#reader?.cancel(abortEx).catch(() => {});
|
||
this.#reader = null;
|
||
this.#capability.reject(abortEx);
|
||
}
|
||
get textDivs() {
|
||
return this.#textDivs;
|
||
}
|
||
get textContentItemsStr() {
|
||
return this.#textContentItemsStr;
|
||
}
|
||
#processItems(items) {
|
||
if (this.#disableProcessItems) {
|
||
return;
|
||
}
|
||
this.#layoutTextParams.ctx ??= TextLayer.#getCtx(this.#lang);
|
||
const textDivs = this.#textDivs,
|
||
textContentItemsStr = this.#textContentItemsStr;
|
||
for (const item of items) {
|
||
if (textDivs.length > MAX_TEXT_DIVS_TO_RENDER) {
|
||
warn("Ignoring additional textDivs for performance reasons.");
|
||
this.#disableProcessItems = true;
|
||
return;
|
||
}
|
||
if (item.str === undefined) {
|
||
if (item.type === "beginMarkedContentProps" || item.type === "beginMarkedContent") {
|
||
const parent = this.#container;
|
||
this.#container = document.createElement("span");
|
||
this.#container.classList.add("markedContent");
|
||
if (item.id !== null) {
|
||
this.#container.setAttribute("id", `${item.id}`);
|
||
}
|
||
parent.append(this.#container);
|
||
} else if (item.type === "endMarkedContent") {
|
||
this.#container = this.#container.parentNode;
|
||
}
|
||
continue;
|
||
}
|
||
textContentItemsStr.push(item.str);
|
||
this.#appendText(item);
|
||
}
|
||
}
|
||
#appendText(geom) {
|
||
const textDiv = document.createElement("span");
|
||
const textDivProperties = {
|
||
angle: 0,
|
||
canvasWidth: 0,
|
||
hasText: geom.str !== "",
|
||
hasEOL: geom.hasEOL,
|
||
fontSize: 0
|
||
};
|
||
this.#textDivs.push(textDiv);
|
||
const tx = Util.transform(this.#transform, geom.transform);
|
||
let angle = Math.atan2(tx[1], tx[0]);
|
||
const style = this.#styleCache[geom.fontName];
|
||
if (style.vertical) {
|
||
angle += Math.PI / 2;
|
||
}
|
||
let fontFamily = this.#fontInspectorEnabled && style.fontSubstitution || style.fontFamily;
|
||
fontFamily = TextLayer.fontFamilyMap.get(fontFamily) || fontFamily;
|
||
const fontHeight = Math.hypot(tx[2], tx[3]);
|
||
const fontAscent = fontHeight * TextLayer.#getAscent(fontFamily, this.#lang);
|
||
let left, top;
|
||
if (angle === 0) {
|
||
left = tx[4];
|
||
top = tx[5] - fontAscent;
|
||
} else {
|
||
left = tx[4] + fontAscent * Math.sin(angle);
|
||
top = tx[5] - fontAscent * Math.cos(angle);
|
||
}
|
||
const scaleFactorStr = "calc(var(--scale-factor)*";
|
||
const divStyle = textDiv.style;
|
||
if (this.#container === this.#rootContainer) {
|
||
divStyle.left = `${(100 * left / this.#pageWidth).toFixed(2)}%`;
|
||
divStyle.top = `${(100 * top / this.#pageHeight).toFixed(2)}%`;
|
||
} else {
|
||
divStyle.left = `${scaleFactorStr}${left.toFixed(2)}px)`;
|
||
divStyle.top = `${scaleFactorStr}${top.toFixed(2)}px)`;
|
||
}
|
||
divStyle.fontSize = `${scaleFactorStr}${(TextLayer.#minFontSize * fontHeight).toFixed(2)}px)`;
|
||
divStyle.fontFamily = fontFamily;
|
||
textDivProperties.fontSize = fontHeight;
|
||
textDiv.setAttribute("role", "presentation");
|
||
textDiv.textContent = geom.str;
|
||
textDiv.dir = geom.dir;
|
||
if (this.#fontInspectorEnabled) {
|
||
textDiv.dataset.fontName = style.fontSubstitutionLoadedName || geom.fontName;
|
||
}
|
||
if (angle !== 0) {
|
||
textDivProperties.angle = angle * (180 / Math.PI);
|
||
}
|
||
let shouldScaleText = false;
|
||
if (geom.str.length > 1) {
|
||
shouldScaleText = true;
|
||
} else if (geom.str !== " " && geom.transform[0] !== geom.transform[3]) {
|
||
const absScaleX = Math.abs(geom.transform[0]),
|
||
absScaleY = Math.abs(geom.transform[3]);
|
||
if (absScaleX !== absScaleY && Math.max(absScaleX, absScaleY) / Math.min(absScaleX, absScaleY) > 1.5) {
|
||
shouldScaleText = true;
|
||
}
|
||
}
|
||
if (shouldScaleText) {
|
||
textDivProperties.canvasWidth = style.vertical ? geom.height : geom.width;
|
||
}
|
||
this.#textDivProperties.set(textDiv, textDivProperties);
|
||
this.#layoutTextParams.div = textDiv;
|
||
this.#layoutTextParams.properties = textDivProperties;
|
||
this.#layout(this.#layoutTextParams);
|
||
if (textDivProperties.hasText) {
|
||
this.#container.append(textDiv);
|
||
}
|
||
if (textDivProperties.hasEOL) {
|
||
const br = document.createElement("br");
|
||
br.setAttribute("role", "presentation");
|
||
this.#container.append(br);
|
||
}
|
||
}
|
||
#layout(params) {
|
||
const {
|
||
div,
|
||
properties,
|
||
ctx
|
||
} = params;
|
||
const {
|
||
style
|
||
} = div;
|
||
let transform = "";
|
||
if (TextLayer.#minFontSize > 1) {
|
||
transform = `scale(${1 / TextLayer.#minFontSize})`;
|
||
}
|
||
if (properties.canvasWidth !== 0 && properties.hasText) {
|
||
const {
|
||
fontFamily
|
||
} = style;
|
||
const {
|
||
canvasWidth,
|
||
fontSize
|
||
} = properties;
|
||
TextLayer.#ensureCtxFont(ctx, fontSize * this.#scale, fontFamily);
|
||
const {
|
||
width
|
||
} = ctx.measureText(div.textContent);
|
||
if (width > 0) {
|
||
transform = `scaleX(${canvasWidth * this.#scale / width}) ${transform}`;
|
||
}
|
||
}
|
||
if (properties.angle !== 0) {
|
||
transform = `rotate(${properties.angle}deg) ${transform}`;
|
||
}
|
||
if (transform.length > 0) {
|
||
style.transform = transform;
|
||
}
|
||
}
|
||
static cleanup() {
|
||
if (this.#pendingTextLayers.size > 0) {
|
||
return;
|
||
}
|
||
this.#ascentCache.clear();
|
||
for (const {
|
||
canvas
|
||
} of this.#canvasContexts.values()) {
|
||
canvas.remove();
|
||
}
|
||
this.#canvasContexts.clear();
|
||
}
|
||
static #getCtx(lang = null) {
|
||
let ctx = this.#canvasContexts.get(lang ||= "");
|
||
if (!ctx) {
|
||
const canvas = document.createElement("canvas");
|
||
canvas.className = "hiddenCanvasElement";
|
||
canvas.lang = lang;
|
||
document.body.append(canvas);
|
||
ctx = canvas.getContext("2d", {
|
||
alpha: false,
|
||
willReadFrequently: true
|
||
});
|
||
this.#canvasContexts.set(lang, ctx);
|
||
this.#canvasCtxFonts.set(ctx, {
|
||
size: 0,
|
||
family: ""
|
||
});
|
||
}
|
||
return ctx;
|
||
}
|
||
static #ensureCtxFont(ctx, size, family) {
|
||
const cached = this.#canvasCtxFonts.get(ctx);
|
||
if (size === cached.size && family === cached.family) {
|
||
return;
|
||
}
|
||
ctx.font = `${size}px ${family}`;
|
||
cached.size = size;
|
||
cached.family = family;
|
||
}
|
||
static #ensureMinFontSizeComputed() {
|
||
if (this.#minFontSize !== null) {
|
||
return;
|
||
}
|
||
const div = document.createElement("div");
|
||
div.style.opacity = 0;
|
||
div.style.lineHeight = 1;
|
||
div.style.fontSize = "1px";
|
||
div.style.position = "absolute";
|
||
div.textContent = "X";
|
||
document.body.append(div);
|
||
this.#minFontSize = div.getBoundingClientRect().height;
|
||
div.remove();
|
||
}
|
||
static #getAscent(fontFamily, lang) {
|
||
const cachedAscent = this.#ascentCache.get(fontFamily);
|
||
if (cachedAscent) {
|
||
return cachedAscent;
|
||
}
|
||
const ctx = this.#getCtx(lang);
|
||
ctx.canvas.width = ctx.canvas.height = DEFAULT_FONT_SIZE;
|
||
this.#ensureCtxFont(ctx, DEFAULT_FONT_SIZE, fontFamily);
|
||
const metrics = ctx.measureText("");
|
||
let ascent = metrics.fontBoundingBoxAscent;
|
||
let descent = Math.abs(metrics.fontBoundingBoxDescent);
|
||
if (ascent) {
|
||
const ratio = ascent / (ascent + descent);
|
||
this.#ascentCache.set(fontFamily, ratio);
|
||
ctx.canvas.width = ctx.canvas.height = 0;
|
||
return ratio;
|
||
}
|
||
ctx.strokeStyle = "red";
|
||
ctx.clearRect(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE);
|
||
ctx.strokeText("g", 0, 0);
|
||
let pixels = ctx.getImageData(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE).data;
|
||
descent = 0;
|
||
for (let i = pixels.length - 1 - 3; i >= 0; i -= 4) {
|
||
if (pixels[i] > 0) {
|
||
descent = Math.ceil(i / 4 / DEFAULT_FONT_SIZE);
|
||
break;
|
||
}
|
||
}
|
||
ctx.clearRect(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE);
|
||
ctx.strokeText("A", 0, DEFAULT_FONT_SIZE);
|
||
pixels = ctx.getImageData(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE).data;
|
||
ascent = 0;
|
||
for (let i = 0, ii = pixels.length; i < ii; i += 4) {
|
||
if (pixels[i] > 0) {
|
||
ascent = DEFAULT_FONT_SIZE - Math.floor(i / 4 / DEFAULT_FONT_SIZE);
|
||
break;
|
||
}
|
||
}
|
||
ctx.canvas.width = ctx.canvas.height = 0;
|
||
const ratio = ascent ? ascent / (ascent + descent) : DEFAULT_FONT_ASCENT;
|
||
this.#ascentCache.set(fontFamily, ratio);
|
||
return ratio;
|
||
}
|
||
}
|
||
|
||
;// ./src/display/xfa_text.js
|
||
class XfaText {
|
||
static textContent(xfa) {
|
||
const items = [];
|
||
const output = {
|
||
items,
|
||
styles: Object.create(null)
|
||
};
|
||
function walk(node) {
|
||
if (!node) {
|
||
return;
|
||
}
|
||
let str = null;
|
||
const name = node.name;
|
||
if (name === "#text") {
|
||
str = node.value;
|
||
} else if (!XfaText.shouldBuildText(name)) {
|
||
return;
|
||
} else if (node?.attributes?.textContent) {
|
||
str = node.attributes.textContent;
|
||
} else if (node.value) {
|
||
str = node.value;
|
||
}
|
||
if (str !== null) {
|
||
items.push({
|
||
str
|
||
});
|
||
}
|
||
if (!node.children) {
|
||
return;
|
||
}
|
||
for (const child of node.children) {
|
||
walk(child);
|
||
}
|
||
}
|
||
walk(xfa);
|
||
return output;
|
||
}
|
||
static shouldBuildText(name) {
|
||
return !(name === "textarea" || name === "input" || name === "option" || name === "select");
|
||
}
|
||
}
|
||
|
||
;// ./src/display/api.js
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
const DEFAULT_RANGE_CHUNK_SIZE = 65536;
|
||
const RENDERING_CANCELLED_TIMEOUT = 100;
|
||
const DELAYED_CLEANUP_TIMEOUT = 5000;
|
||
const DefaultCanvasFactory = isNodeJS ? NodeCanvasFactory : DOMCanvasFactory;
|
||
const DefaultCMapReaderFactory = isNodeJS ? NodeCMapReaderFactory : DOMCMapReaderFactory;
|
||
const DefaultFilterFactory = isNodeJS ? NodeFilterFactory : DOMFilterFactory;
|
||
const DefaultStandardFontDataFactory = isNodeJS ? NodeStandardFontDataFactory : DOMStandardFontDataFactory;
|
||
function getDocument(src = {}) {
|
||
if (typeof src === "string" || src instanceof URL) {
|
||
src = {
|
||
url: src
|
||
};
|
||
} else if (src instanceof ArrayBuffer || ArrayBuffer.isView(src)) {
|
||
src = {
|
||
data: src
|
||
};
|
||
}
|
||
const task = new PDFDocumentLoadingTask();
|
||
const {
|
||
docId
|
||
} = task;
|
||
const url = src.url ? getUrlProp(src.url) : null;
|
||
const data = src.data ? getDataProp(src.data) : null;
|
||
const httpHeaders = src.httpHeaders || null;
|
||
const withCredentials = src.withCredentials === true;
|
||
const password = src.password ?? null;
|
||
const rangeTransport = src.range instanceof PDFDataRangeTransport ? src.range : null;
|
||
const rangeChunkSize = Number.isInteger(src.rangeChunkSize) && src.rangeChunkSize > 0 ? src.rangeChunkSize : DEFAULT_RANGE_CHUNK_SIZE;
|
||
let worker = src.worker instanceof PDFWorker ? src.worker : null;
|
||
const verbosity = src.verbosity;
|
||
const docBaseUrl = typeof src.docBaseUrl === "string" && !isDataScheme(src.docBaseUrl) ? src.docBaseUrl : null;
|
||
const cMapUrl = typeof src.cMapUrl === "string" ? src.cMapUrl : null;
|
||
const cMapPacked = src.cMapPacked !== false;
|
||
const CMapReaderFactory = src.CMapReaderFactory || DefaultCMapReaderFactory;
|
||
const standardFontDataUrl = typeof src.standardFontDataUrl === "string" ? src.standardFontDataUrl : null;
|
||
const StandardFontDataFactory = src.StandardFontDataFactory || DefaultStandardFontDataFactory;
|
||
const ignoreErrors = src.stopAtErrors !== true;
|
||
const maxImageSize = Number.isInteger(src.maxImageSize) && src.maxImageSize > -1 ? src.maxImageSize : -1;
|
||
const isEvalSupported = src.isEvalSupported !== false;
|
||
const isOffscreenCanvasSupported = typeof src.isOffscreenCanvasSupported === "boolean" ? src.isOffscreenCanvasSupported : !isNodeJS;
|
||
const isImageDecoderSupported = typeof src.isImageDecoderSupported === "boolean" ? src.isImageDecoderSupported : !isNodeJS && (util_FeatureTest.platform.isFirefox || !globalThis.chrome);
|
||
const canvasMaxAreaInBytes = Number.isInteger(src.canvasMaxAreaInBytes) ? src.canvasMaxAreaInBytes : -1;
|
||
const disableFontFace = typeof src.disableFontFace === "boolean" ? src.disableFontFace : isNodeJS;
|
||
const fontExtraProperties = src.fontExtraProperties === true;
|
||
const enableXfa = src.enableXfa === true;
|
||
const ownerDocument = src.ownerDocument || globalThis.document;
|
||
const disableRange = src.disableRange === true;
|
||
const disableStream = src.disableStream === true;
|
||
const disableAutoFetch = src.disableAutoFetch === true;
|
||
const pdfBug = src.pdfBug === true;
|
||
const CanvasFactory = src.CanvasFactory || DefaultCanvasFactory;
|
||
const FilterFactory = src.FilterFactory || DefaultFilterFactory;
|
||
const enableHWA = src.enableHWA === true;
|
||
const length = rangeTransport ? rangeTransport.length : src.length ?? NaN;
|
||
const useSystemFonts = typeof src.useSystemFonts === "boolean" ? src.useSystemFonts : !isNodeJS && !disableFontFace;
|
||
const useWorkerFetch = typeof src.useWorkerFetch === "boolean" ? src.useWorkerFetch : CMapReaderFactory === DOMCMapReaderFactory && StandardFontDataFactory === DOMStandardFontDataFactory && cMapUrl && standardFontDataUrl && isValidFetchUrl(cMapUrl, document.baseURI) && isValidFetchUrl(standardFontDataUrl, document.baseURI);
|
||
const styleElement = null;
|
||
setVerbosityLevel(verbosity);
|
||
const transportFactory = {
|
||
canvasFactory: new CanvasFactory({
|
||
ownerDocument,
|
||
enableHWA
|
||
}),
|
||
filterFactory: new FilterFactory({
|
||
docId,
|
||
ownerDocument
|
||
}),
|
||
cMapReaderFactory: useWorkerFetch ? null : new CMapReaderFactory({
|
||
baseUrl: cMapUrl,
|
||
isCompressed: cMapPacked
|
||
}),
|
||
standardFontDataFactory: useWorkerFetch ? null : new StandardFontDataFactory({
|
||
baseUrl: standardFontDataUrl
|
||
})
|
||
};
|
||
if (!worker) {
|
||
const workerParams = {
|
||
verbosity,
|
||
port: GlobalWorkerOptions.workerPort
|
||
};
|
||
worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
|
||
task._worker = worker;
|
||
}
|
||
const docParams = {
|
||
docId,
|
||
apiVersion: "4.10.38",
|
||
data,
|
||
password,
|
||
disableAutoFetch,
|
||
rangeChunkSize,
|
||
length,
|
||
docBaseUrl,
|
||
enableXfa,
|
||
evaluatorOptions: {
|
||
maxImageSize,
|
||
disableFontFace,
|
||
ignoreErrors,
|
||
isEvalSupported,
|
||
isOffscreenCanvasSupported,
|
||
isImageDecoderSupported,
|
||
canvasMaxAreaInBytes,
|
||
fontExtraProperties,
|
||
useSystemFonts,
|
||
cMapUrl: useWorkerFetch ? cMapUrl : null,
|
||
standardFontDataUrl: useWorkerFetch ? standardFontDataUrl : null
|
||
}
|
||
};
|
||
const transportParams = {
|
||
disableFontFace,
|
||
fontExtraProperties,
|
||
ownerDocument,
|
||
pdfBug,
|
||
styleElement,
|
||
loadingParams: {
|
||
disableAutoFetch,
|
||
enableXfa
|
||
}
|
||
};
|
||
worker.promise.then(function () {
|
||
if (task.destroyed) {
|
||
throw new Error("Loading aborted");
|
||
}
|
||
if (worker.destroyed) {
|
||
throw new Error("Worker was destroyed");
|
||
}
|
||
const workerIdPromise = worker.messageHandler.sendWithPromise("GetDocRequest", docParams, data ? [data.buffer] : null);
|
||
let networkStream;
|
||
if (rangeTransport) {
|
||
networkStream = new PDFDataTransportStream(rangeTransport, {
|
||
disableRange,
|
||
disableStream
|
||
});
|
||
} else if (!data) {
|
||
if (!url) {
|
||
throw new Error("getDocument - no `url` parameter provided.");
|
||
}
|
||
let NetworkStream;
|
||
if (isNodeJS) {
|
||
if (isValidFetchUrl(url)) {
|
||
if (typeof fetch === "undefined" || typeof Response === "undefined" || !("body" in Response.prototype)) {
|
||
throw new Error("getDocument - the Fetch API was disabled in Node.js, see `--no-experimental-fetch`.");
|
||
}
|
||
NetworkStream = PDFFetchStream;
|
||
} else {
|
||
NetworkStream = PDFNodeStream;
|
||
}
|
||
} else {
|
||
NetworkStream = isValidFetchUrl(url) ? PDFFetchStream : PDFNetworkStream;
|
||
}
|
||
networkStream = new NetworkStream({
|
||
url,
|
||
length,
|
||
httpHeaders,
|
||
withCredentials,
|
||
rangeChunkSize,
|
||
disableRange,
|
||
disableStream
|
||
});
|
||
}
|
||
return workerIdPromise.then(workerId => {
|
||
if (task.destroyed) {
|
||
throw new Error("Loading aborted");
|
||
}
|
||
if (worker.destroyed) {
|
||
throw new Error("Worker was destroyed");
|
||
}
|
||
const messageHandler = new MessageHandler(docId, workerId, worker.port);
|
||
const transport = new WorkerTransport(messageHandler, task, networkStream, transportParams, transportFactory);
|
||
task._transport = transport;
|
||
messageHandler.send("Ready", null);
|
||
});
|
||
}).catch(task._capability.reject);
|
||
return task;
|
||
}
|
||
function getUrlProp(val) {
|
||
if (val instanceof URL) {
|
||
return val.href;
|
||
}
|
||
try {
|
||
return new URL(val, window.location).href;
|
||
} catch {
|
||
if (isNodeJS && typeof val === "string") {
|
||
return val;
|
||
}
|
||
}
|
||
throw new Error("Invalid PDF url data: " + "either string or URL-object is expected in the url property.");
|
||
}
|
||
function getDataProp(val) {
|
||
if (isNodeJS && typeof Buffer !== "undefined" && val instanceof Buffer) {
|
||
throw new Error("Please provide binary data as `Uint8Array`, rather than `Buffer`.");
|
||
}
|
||
if (val instanceof Uint8Array && val.byteLength === val.buffer.byteLength) {
|
||
return val;
|
||
}
|
||
if (typeof val === "string") {
|
||
return stringToBytes(val);
|
||
}
|
||
if (val instanceof ArrayBuffer || ArrayBuffer.isView(val) || typeof val === "object" && !isNaN(val?.length)) {
|
||
return new Uint8Array(val);
|
||
}
|
||
throw new Error("Invalid PDF binary data: either TypedArray, " + "string, or array-like object is expected in the data property.");
|
||
}
|
||
function isRefProxy(ref) {
|
||
return typeof ref === "object" && Number.isInteger(ref?.num) && ref.num >= 0 && Number.isInteger(ref?.gen) && ref.gen >= 0;
|
||
}
|
||
class PDFDocumentLoadingTask {
|
||
static #docId = 0;
|
||
constructor() {
|
||
this._capability = Promise.withResolvers();
|
||
this._transport = null;
|
||
this._worker = null;
|
||
this.docId = `d${PDFDocumentLoadingTask.#docId++}`;
|
||
this.destroyed = false;
|
||
this.onPassword = null;
|
||
this.onProgress = null;
|
||
}
|
||
get promise() {
|
||
return this._capability.promise;
|
||
}
|
||
async destroy() {
|
||
this.destroyed = true;
|
||
try {
|
||
if (this._worker?.port) {
|
||
this._worker._pendingDestroy = true;
|
||
}
|
||
await this._transport?.destroy();
|
||
} catch (ex) {
|
||
if (this._worker?.port) {
|
||
delete this._worker._pendingDestroy;
|
||
}
|
||
throw ex;
|
||
}
|
||
this._transport = null;
|
||
this._worker?.destroy();
|
||
this._worker = null;
|
||
}
|
||
}
|
||
class PDFDataRangeTransport {
|
||
constructor(length, initialData, progressiveDone = false, contentDispositionFilename = null) {
|
||
this.length = length;
|
||
this.initialData = initialData;
|
||
this.progressiveDone = progressiveDone;
|
||
this.contentDispositionFilename = contentDispositionFilename;
|
||
this._rangeListeners = [];
|
||
this._progressListeners = [];
|
||
this._progressiveReadListeners = [];
|
||
this._progressiveDoneListeners = [];
|
||
this._readyCapability = Promise.withResolvers();
|
||
}
|
||
addRangeListener(listener) {
|
||
this._rangeListeners.push(listener);
|
||
}
|
||
addProgressListener(listener) {
|
||
this._progressListeners.push(listener);
|
||
}
|
||
addProgressiveReadListener(listener) {
|
||
this._progressiveReadListeners.push(listener);
|
||
}
|
||
addProgressiveDoneListener(listener) {
|
||
this._progressiveDoneListeners.push(listener);
|
||
}
|
||
onDataRange(begin, chunk) {
|
||
for (const listener of this._rangeListeners) {
|
||
listener(begin, chunk);
|
||
}
|
||
}
|
||
onDataProgress(loaded, total) {
|
||
this._readyCapability.promise.then(() => {
|
||
for (const listener of this._progressListeners) {
|
||
listener(loaded, total);
|
||
}
|
||
});
|
||
}
|
||
onDataProgressiveRead(chunk) {
|
||
this._readyCapability.promise.then(() => {
|
||
for (const listener of this._progressiveReadListeners) {
|
||
listener(chunk);
|
||
}
|
||
});
|
||
}
|
||
onDataProgressiveDone() {
|
||
this._readyCapability.promise.then(() => {
|
||
for (const listener of this._progressiveDoneListeners) {
|
||
listener();
|
||
}
|
||
});
|
||
}
|
||
transportReady() {
|
||
this._readyCapability.resolve();
|
||
}
|
||
requestDataRange(begin, end) {
|
||
unreachable("Abstract method PDFDataRangeTransport.requestDataRange");
|
||
}
|
||
abort() {}
|
||
}
|
||
class PDFDocumentProxy {
|
||
constructor(pdfInfo, transport) {
|
||
this._pdfInfo = pdfInfo;
|
||
this._transport = transport;
|
||
}
|
||
get annotationStorage() {
|
||
return this._transport.annotationStorage;
|
||
}
|
||
get canvasFactory() {
|
||
return this._transport.canvasFactory;
|
||
}
|
||
get filterFactory() {
|
||
return this._transport.filterFactory;
|
||
}
|
||
get numPages() {
|
||
return this._pdfInfo.numPages;
|
||
}
|
||
get fingerprints() {
|
||
return this._pdfInfo.fingerprints;
|
||
}
|
||
get isPureXfa() {
|
||
return shadow(this, "isPureXfa", !!this._transport._htmlForXfa);
|
||
}
|
||
get allXfaHtml() {
|
||
return this._transport._htmlForXfa;
|
||
}
|
||
getPage(pageNumber) {
|
||
return this._transport.getPage(pageNumber);
|
||
}
|
||
getPageIndex(ref) {
|
||
return this._transport.getPageIndex(ref);
|
||
}
|
||
getDestinations() {
|
||
return this._transport.getDestinations();
|
||
}
|
||
getDestination(id) {
|
||
return this._transport.getDestination(id);
|
||
}
|
||
getPageLabels() {
|
||
return this._transport.getPageLabels();
|
||
}
|
||
getPageLayout() {
|
||
return this._transport.getPageLayout();
|
||
}
|
||
getPageMode() {
|
||
return this._transport.getPageMode();
|
||
}
|
||
getViewerPreferences() {
|
||
return this._transport.getViewerPreferences();
|
||
}
|
||
getOpenAction() {
|
||
return this._transport.getOpenAction();
|
||
}
|
||
getAttachments() {
|
||
return this._transport.getAttachments();
|
||
}
|
||
getJSActions() {
|
||
return this._transport.getDocJSActions();
|
||
}
|
||
getOutline() {
|
||
return this._transport.getOutline();
|
||
}
|
||
getOptionalContentConfig({
|
||
intent = "display"
|
||
} = {}) {
|
||
const {
|
||
renderingIntent
|
||
} = this._transport.getRenderingIntent(intent);
|
||
return this._transport.getOptionalContentConfig(renderingIntent);
|
||
}
|
||
getPermissions() {
|
||
return this._transport.getPermissions();
|
||
}
|
||
getMetadata() {
|
||
return this._transport.getMetadata();
|
||
}
|
||
getMarkInfo() {
|
||
return this._transport.getMarkInfo();
|
||
}
|
||
getData() {
|
||
return this._transport.getData();
|
||
}
|
||
saveDocument() {
|
||
return this._transport.saveDocument();
|
||
}
|
||
getDownloadInfo() {
|
||
return this._transport.downloadInfoCapability.promise;
|
||
}
|
||
cleanup(keepLoadedFonts = false) {
|
||
return this._transport.startCleanup(keepLoadedFonts || this.isPureXfa);
|
||
}
|
||
destroy() {
|
||
return this.loadingTask.destroy();
|
||
}
|
||
cachedPageNumber(ref) {
|
||
return this._transport.cachedPageNumber(ref);
|
||
}
|
||
get loadingParams() {
|
||
return this._transport.loadingParams;
|
||
}
|
||
get loadingTask() {
|
||
return this._transport.loadingTask;
|
||
}
|
||
getFieldObjects() {
|
||
return this._transport.getFieldObjects();
|
||
}
|
||
hasJSActions() {
|
||
return this._transport.hasJSActions();
|
||
}
|
||
getCalculationOrderIds() {
|
||
return this._transport.getCalculationOrderIds();
|
||
}
|
||
}
|
||
class PDFPageProxy {
|
||
#delayedCleanupTimeout = null;
|
||
#pendingCleanup = false;
|
||
constructor(pageIndex, pageInfo, transport, pdfBug = false) {
|
||
this._pageIndex = pageIndex;
|
||
this._pageInfo = pageInfo;
|
||
this._transport = transport;
|
||
this._stats = pdfBug ? new StatTimer() : null;
|
||
this._pdfBug = pdfBug;
|
||
this.commonObjs = transport.commonObjs;
|
||
this.objs = new PDFObjects();
|
||
this._maybeCleanupAfterRender = false;
|
||
this._intentStates = new Map();
|
||
this.destroyed = false;
|
||
}
|
||
get pageNumber() {
|
||
return this._pageIndex + 1;
|
||
}
|
||
get rotate() {
|
||
return this._pageInfo.rotate;
|
||
}
|
||
get ref() {
|
||
return this._pageInfo.ref;
|
||
}
|
||
get userUnit() {
|
||
return this._pageInfo.userUnit;
|
||
}
|
||
get view() {
|
||
return this._pageInfo.view;
|
||
}
|
||
getViewport({
|
||
scale,
|
||
rotation = this.rotate,
|
||
offsetX = 0,
|
||
offsetY = 0,
|
||
dontFlip = false
|
||
} = {}) {
|
||
return new PageViewport({
|
||
viewBox: this.view,
|
||
userUnit: this.userUnit,
|
||
scale,
|
||
rotation,
|
||
offsetX,
|
||
offsetY,
|
||
dontFlip
|
||
});
|
||
}
|
||
getAnnotations({
|
||
intent = "display"
|
||
} = {}) {
|
||
const {
|
||
renderingIntent
|
||
} = this._transport.getRenderingIntent(intent);
|
||
return this._transport.getAnnotations(this._pageIndex, renderingIntent);
|
||
}
|
||
getJSActions() {
|
||
return this._transport.getPageJSActions(this._pageIndex);
|
||
}
|
||
get filterFactory() {
|
||
return this._transport.filterFactory;
|
||
}
|
||
get isPureXfa() {
|
||
return shadow(this, "isPureXfa", !!this._transport._htmlForXfa);
|
||
}
|
||
async getXfa() {
|
||
return this._transport._htmlForXfa?.children[this._pageIndex] || null;
|
||
}
|
||
render({
|
||
canvasContext,
|
||
viewport,
|
||
intent = "display",
|
||
annotationMode = AnnotationMode.ENABLE,
|
||
transform = null,
|
||
background = null,
|
||
optionalContentConfigPromise = null,
|
||
annotationCanvasMap = null,
|
||
pageColors = null,
|
||
printAnnotationStorage = null,
|
||
isEditing = false
|
||
}) {
|
||
this._stats?.time("Overall");
|
||
const intentArgs = this._transport.getRenderingIntent(intent, annotationMode, printAnnotationStorage, isEditing);
|
||
const {
|
||
renderingIntent,
|
||
cacheKey
|
||
} = intentArgs;
|
||
this.#pendingCleanup = false;
|
||
this.#abortDelayedCleanup();
|
||
optionalContentConfigPromise ||= this._transport.getOptionalContentConfig(renderingIntent);
|
||
let intentState = this._intentStates.get(cacheKey);
|
||
if (!intentState) {
|
||
intentState = Object.create(null);
|
||
this._intentStates.set(cacheKey, intentState);
|
||
}
|
||
if (intentState.streamReaderCancelTimeout) {
|
||
clearTimeout(intentState.streamReaderCancelTimeout);
|
||
intentState.streamReaderCancelTimeout = null;
|
||
}
|
||
const intentPrint = !!(renderingIntent & RenderingIntentFlag.PRINT);
|
||
if (!intentState.displayReadyCapability) {
|
||
intentState.displayReadyCapability = Promise.withResolvers();
|
||
intentState.operatorList = {
|
||
fnArray: [],
|
||
argsArray: [],
|
||
lastChunk: false,
|
||
separateAnnots: null
|
||
};
|
||
this._stats?.time("Page Request");
|
||
this._pumpOperatorList(intentArgs);
|
||
}
|
||
const complete = error => {
|
||
intentState.renderTasks.delete(internalRenderTask);
|
||
if (this._maybeCleanupAfterRender || intentPrint) {
|
||
this.#pendingCleanup = true;
|
||
}
|
||
this.#tryCleanup(!intentPrint);
|
||
if (error) {
|
||
internalRenderTask.capability.reject(error);
|
||
this._abortOperatorList({
|
||
intentState,
|
||
reason: error instanceof Error ? error : new Error(error)
|
||
});
|
||
} else {
|
||
internalRenderTask.capability.resolve();
|
||
}
|
||
if (this._stats) {
|
||
this._stats.timeEnd("Rendering");
|
||
this._stats.timeEnd("Overall");
|
||
if (globalThis.Stats?.enabled) {
|
||
globalThis.Stats.add(this.pageNumber, this._stats);
|
||
}
|
||
}
|
||
};
|
||
const internalRenderTask = new InternalRenderTask({
|
||
callback: complete,
|
||
params: {
|
||
canvasContext,
|
||
viewport,
|
||
transform,
|
||
background
|
||
},
|
||
objs: this.objs,
|
||
commonObjs: this.commonObjs,
|
||
annotationCanvasMap,
|
||
operatorList: intentState.operatorList,
|
||
pageIndex: this._pageIndex,
|
||
canvasFactory: this._transport.canvasFactory,
|
||
filterFactory: this._transport.filterFactory,
|
||
useRequestAnimationFrame: !intentPrint,
|
||
pdfBug: this._pdfBug,
|
||
pageColors
|
||
});
|
||
(intentState.renderTasks ||= new Set()).add(internalRenderTask);
|
||
const renderTask = internalRenderTask.task;
|
||
Promise.all([intentState.displayReadyCapability.promise, optionalContentConfigPromise]).then(([transparency, optionalContentConfig]) => {
|
||
if (this.destroyed) {
|
||
complete();
|
||
return;
|
||
}
|
||
this._stats?.time("Rendering");
|
||
if (!(optionalContentConfig.renderingIntent & renderingIntent)) {
|
||
throw new Error("Must use the same `intent`-argument when calling the `PDFPageProxy.render` " + "and `PDFDocumentProxy.getOptionalContentConfig` methods.");
|
||
}
|
||
internalRenderTask.initializeGraphics({
|
||
transparency,
|
||
optionalContentConfig
|
||
});
|
||
internalRenderTask.operatorListChanged();
|
||
}).catch(complete);
|
||
return renderTask;
|
||
}
|
||
getOperatorList({
|
||
intent = "display",
|
||
annotationMode = AnnotationMode.ENABLE,
|
||
printAnnotationStorage = null,
|
||
isEditing = false
|
||
} = {}) {
|
||
function operatorListChanged() {
|
||
if (intentState.operatorList.lastChunk) {
|
||
intentState.opListReadCapability.resolve(intentState.operatorList);
|
||
intentState.renderTasks.delete(opListTask);
|
||
}
|
||
}
|
||
const intentArgs = this._transport.getRenderingIntent(intent, annotationMode, printAnnotationStorage, isEditing, true);
|
||
let intentState = this._intentStates.get(intentArgs.cacheKey);
|
||
if (!intentState) {
|
||
intentState = Object.create(null);
|
||
this._intentStates.set(intentArgs.cacheKey, intentState);
|
||
}
|
||
let opListTask;
|
||
if (!intentState.opListReadCapability) {
|
||
opListTask = Object.create(null);
|
||
opListTask.operatorListChanged = operatorListChanged;
|
||
intentState.opListReadCapability = Promise.withResolvers();
|
||
(intentState.renderTasks ||= new Set()).add(opListTask);
|
||
intentState.operatorList = {
|
||
fnArray: [],
|
||
argsArray: [],
|
||
lastChunk: false,
|
||
separateAnnots: null
|
||
};
|
||
this._stats?.time("Page Request");
|
||
this._pumpOperatorList(intentArgs);
|
||
}
|
||
return intentState.opListReadCapability.promise;
|
||
}
|
||
streamTextContent({
|
||
includeMarkedContent = false,
|
||
disableNormalization = false
|
||
} = {}) {
|
||
const TEXT_CONTENT_CHUNK_SIZE = 100;
|
||
return this._transport.messageHandler.sendWithStream("GetTextContent", {
|
||
pageIndex: this._pageIndex,
|
||
includeMarkedContent: includeMarkedContent === true,
|
||
disableNormalization: disableNormalization === true
|
||
}, {
|
||
highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
|
||
size(textContent) {
|
||
return textContent.items.length;
|
||
}
|
||
});
|
||
}
|
||
getTextContent(params = {}) {
|
||
if (this._transport._htmlForXfa) {
|
||
return this.getXfa().then(xfa => XfaText.textContent(xfa));
|
||
}
|
||
const readableStream = this.streamTextContent(params);
|
||
return new Promise(function (resolve, reject) {
|
||
function pump() {
|
||
reader.read().then(function ({
|
||
value,
|
||
done
|
||
}) {
|
||
if (done) {
|
||
resolve(textContent);
|
||
return;
|
||
}
|
||
textContent.lang ??= value.lang;
|
||
Object.assign(textContent.styles, value.styles);
|
||
textContent.items.push(...value.items);
|
||
pump();
|
||
}, reject);
|
||
}
|
||
const reader = readableStream.getReader();
|
||
const textContent = {
|
||
items: [],
|
||
styles: Object.create(null),
|
||
lang: null
|
||
};
|
||
pump();
|
||
});
|
||
}
|
||
getStructTree() {
|
||
return this._transport.getStructTree(this._pageIndex);
|
||
}
|
||
_destroy() {
|
||
this.destroyed = true;
|
||
const waitOn = [];
|
||
for (const intentState of this._intentStates.values()) {
|
||
this._abortOperatorList({
|
||
intentState,
|
||
reason: new Error("Page was destroyed."),
|
||
force: true
|
||
});
|
||
if (intentState.opListReadCapability) {
|
||
continue;
|
||
}
|
||
for (const internalRenderTask of intentState.renderTasks) {
|
||
waitOn.push(internalRenderTask.completed);
|
||
internalRenderTask.cancel();
|
||
}
|
||
}
|
||
this.objs.clear();
|
||
this.#pendingCleanup = false;
|
||
this.#abortDelayedCleanup();
|
||
return Promise.all(waitOn);
|
||
}
|
||
cleanup(resetStats = false) {
|
||
this.#pendingCleanup = true;
|
||
const success = this.#tryCleanup(false);
|
||
if (resetStats && success) {
|
||
this._stats &&= new StatTimer();
|
||
}
|
||
return success;
|
||
}
|
||
#tryCleanup(delayed = false) {
|
||
this.#abortDelayedCleanup();
|
||
if (!this.#pendingCleanup || this.destroyed) {
|
||
return false;
|
||
}
|
||
if (delayed) {
|
||
this.#delayedCleanupTimeout = setTimeout(() => {
|
||
this.#delayedCleanupTimeout = null;
|
||
this.#tryCleanup(false);
|
||
}, DELAYED_CLEANUP_TIMEOUT);
|
||
return false;
|
||
}
|
||
for (const {
|
||
renderTasks,
|
||
operatorList
|
||
} of this._intentStates.values()) {
|
||
if (renderTasks.size > 0 || !operatorList.lastChunk) {
|
||
return false;
|
||
}
|
||
}
|
||
this._intentStates.clear();
|
||
this.objs.clear();
|
||
this.#pendingCleanup = false;
|
||
return true;
|
||
}
|
||
#abortDelayedCleanup() {
|
||
if (this.#delayedCleanupTimeout) {
|
||
clearTimeout(this.#delayedCleanupTimeout);
|
||
this.#delayedCleanupTimeout = null;
|
||
}
|
||
}
|
||
_startRenderPage(transparency, cacheKey) {
|
||
const intentState = this._intentStates.get(cacheKey);
|
||
if (!intentState) {
|
||
return;
|
||
}
|
||
this._stats?.timeEnd("Page Request");
|
||
intentState.displayReadyCapability?.resolve(transparency);
|
||
}
|
||
_renderPageChunk(operatorListChunk, intentState) {
|
||
for (let i = 0, ii = operatorListChunk.length; i < ii; i++) {
|
||
intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
|
||
intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
|
||
}
|
||
intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
|
||
intentState.operatorList.separateAnnots = operatorListChunk.separateAnnots;
|
||
for (const internalRenderTask of intentState.renderTasks) {
|
||
internalRenderTask.operatorListChanged();
|
||
}
|
||
if (operatorListChunk.lastChunk) {
|
||
this.#tryCleanup(true);
|
||
}
|
||
}
|
||
_pumpOperatorList({
|
||
renderingIntent,
|
||
cacheKey,
|
||
annotationStorageSerializable,
|
||
modifiedIds
|
||
}) {
|
||
const {
|
||
map,
|
||
transfer
|
||
} = annotationStorageSerializable;
|
||
const readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", {
|
||
pageIndex: this._pageIndex,
|
||
intent: renderingIntent,
|
||
cacheKey,
|
||
annotationStorage: map,
|
||
modifiedIds
|
||
}, transfer);
|
||
const reader = readableStream.getReader();
|
||
const intentState = this._intentStates.get(cacheKey);
|
||
intentState.streamReader = reader;
|
||
const pump = () => {
|
||
reader.read().then(({
|
||
value,
|
||
done
|
||
}) => {
|
||
if (done) {
|
||
intentState.streamReader = null;
|
||
return;
|
||
}
|
||
if (this._transport.destroyed) {
|
||
return;
|
||
}
|
||
this._renderPageChunk(value, intentState);
|
||
pump();
|
||
}, reason => {
|
||
intentState.streamReader = null;
|
||
if (this._transport.destroyed) {
|
||
return;
|
||
}
|
||
if (intentState.operatorList) {
|
||
intentState.operatorList.lastChunk = true;
|
||
for (const internalRenderTask of intentState.renderTasks) {
|
||
internalRenderTask.operatorListChanged();
|
||
}
|
||
this.#tryCleanup(true);
|
||
}
|
||
if (intentState.displayReadyCapability) {
|
||
intentState.displayReadyCapability.reject(reason);
|
||
} else if (intentState.opListReadCapability) {
|
||
intentState.opListReadCapability.reject(reason);
|
||
} else {
|
||
throw reason;
|
||
}
|
||
});
|
||
};
|
||
pump();
|
||
}
|
||
_abortOperatorList({
|
||
intentState,
|
||
reason,
|
||
force = false
|
||
}) {
|
||
if (!intentState.streamReader) {
|
||
return;
|
||
}
|
||
if (intentState.streamReaderCancelTimeout) {
|
||
clearTimeout(intentState.streamReaderCancelTimeout);
|
||
intentState.streamReaderCancelTimeout = null;
|
||
}
|
||
if (!force) {
|
||
if (intentState.renderTasks.size > 0) {
|
||
return;
|
||
}
|
||
if (reason instanceof RenderingCancelledException) {
|
||
let delay = RENDERING_CANCELLED_TIMEOUT;
|
||
if (reason.extraDelay > 0 && reason.extraDelay < 1000) {
|
||
delay += reason.extraDelay;
|
||
}
|
||
intentState.streamReaderCancelTimeout = setTimeout(() => {
|
||
intentState.streamReaderCancelTimeout = null;
|
||
this._abortOperatorList({
|
||
intentState,
|
||
reason,
|
||
force: true
|
||
});
|
||
}, delay);
|
||
return;
|
||
}
|
||
}
|
||
intentState.streamReader.cancel(new AbortException(reason.message)).catch(() => {});
|
||
intentState.streamReader = null;
|
||
if (this._transport.destroyed) {
|
||
return;
|
||
}
|
||
for (const [curCacheKey, curIntentState] of this._intentStates) {
|
||
if (curIntentState === intentState) {
|
||
this._intentStates.delete(curCacheKey);
|
||
break;
|
||
}
|
||
}
|
||
this.cleanup();
|
||
}
|
||
get stats() {
|
||
return this._stats;
|
||
}
|
||
}
|
||
class LoopbackPort {
|
||
#listeners = new Map();
|
||
#deferred = Promise.resolve();
|
||
postMessage(obj, transfer) {
|
||
const event = {
|
||
data: structuredClone(obj, transfer ? {
|
||
transfer
|
||
} : null)
|
||
};
|
||
this.#deferred.then(() => {
|
||
for (const [listener] of this.#listeners) {
|
||
listener.call(this, event);
|
||
}
|
||
});
|
||
}
|
||
addEventListener(name, listener, options = null) {
|
||
let rmAbort = null;
|
||
if (options?.signal instanceof AbortSignal) {
|
||
const {
|
||
signal
|
||
} = options;
|
||
if (signal.aborted) {
|
||
warn("LoopbackPort - cannot use an `aborted` signal.");
|
||
return;
|
||
}
|
||
const onAbort = () => this.removeEventListener(name, listener);
|
||
rmAbort = () => signal.removeEventListener("abort", onAbort);
|
||
signal.addEventListener("abort", onAbort);
|
||
}
|
||
this.#listeners.set(listener, rmAbort);
|
||
}
|
||
removeEventListener(name, listener) {
|
||
const rmAbort = this.#listeners.get(listener);
|
||
rmAbort?.();
|
||
this.#listeners.delete(listener);
|
||
}
|
||
terminate() {
|
||
for (const [, rmAbort] of this.#listeners) {
|
||
rmAbort?.();
|
||
}
|
||
this.#listeners.clear();
|
||
}
|
||
}
|
||
class PDFWorker {
|
||
static #fakeWorkerId = 0;
|
||
static #isWorkerDisabled = false;
|
||
static #workerPorts;
|
||
static {
|
||
if (isNodeJS) {
|
||
this.#isWorkerDisabled = true;
|
||
GlobalWorkerOptions.workerSrc ||= "./pdf.worker.mjs";
|
||
}
|
||
this._isSameOrigin = (baseUrl, otherUrl) => {
|
||
let base;
|
||
try {
|
||
base = new URL(baseUrl);
|
||
if (!base.origin || base.origin === "null") {
|
||
return false;
|
||
}
|
||
} catch {
|
||
return false;
|
||
}
|
||
const other = new URL(otherUrl, base);
|
||
return base.origin === other.origin;
|
||
};
|
||
this._createCDNWrapper = url => {
|
||
const wrapper = `await import("${url}");`;
|
||
return URL.createObjectURL(new Blob([wrapper], {
|
||
type: "text/javascript"
|
||
}));
|
||
};
|
||
}
|
||
constructor({
|
||
name = null,
|
||
port = null,
|
||
verbosity = getVerbosityLevel()
|
||
} = {}) {
|
||
this.name = name;
|
||
this.destroyed = false;
|
||
this.verbosity = verbosity;
|
||
this._readyCapability = Promise.withResolvers();
|
||
this._port = null;
|
||
this._webWorker = null;
|
||
this._messageHandler = null;
|
||
if (port) {
|
||
if (PDFWorker.#workerPorts?.has(port)) {
|
||
throw new Error("Cannot use more than one PDFWorker per port.");
|
||
}
|
||
(PDFWorker.#workerPorts ||= new WeakMap()).set(port, this);
|
||
this._initializeFromPort(port);
|
||
return;
|
||
}
|
||
this._initialize();
|
||
}
|
||
get promise() {
|
||
return this._readyCapability.promise;
|
||
}
|
||
#resolve() {
|
||
this._readyCapability.resolve();
|
||
this._messageHandler.send("configure", {
|
||
verbosity: this.verbosity
|
||
});
|
||
}
|
||
get port() {
|
||
return this._port;
|
||
}
|
||
get messageHandler() {
|
||
return this._messageHandler;
|
||
}
|
||
_initializeFromPort(port) {
|
||
this._port = port;
|
||
this._messageHandler = new MessageHandler("main", "worker", port);
|
||
this._messageHandler.on("ready", function () {});
|
||
this.#resolve();
|
||
}
|
||
_initialize() {
|
||
if (PDFWorker.#isWorkerDisabled || PDFWorker.#mainThreadWorkerMessageHandler) {
|
||
this._setupFakeWorker();
|
||
return;
|
||
}
|
||
let {
|
||
workerSrc
|
||
} = PDFWorker;
|
||
try {
|
||
if (!PDFWorker._isSameOrigin(window.location.href, workerSrc)) {
|
||
workerSrc = PDFWorker._createCDNWrapper(new URL(workerSrc, window.location).href);
|
||
}
|
||
const worker = new Worker(workerSrc, {
|
||
type: "module"
|
||
});
|
||
const messageHandler = new MessageHandler("main", "worker", worker);
|
||
const terminateEarly = () => {
|
||
ac.abort();
|
||
messageHandler.destroy();
|
||
worker.terminate();
|
||
if (this.destroyed) {
|
||
this._readyCapability.reject(new Error("Worker was destroyed"));
|
||
} else {
|
||
this._setupFakeWorker();
|
||
}
|
||
};
|
||
const ac = new AbortController();
|
||
worker.addEventListener("error", () => {
|
||
if (!this._webWorker) {
|
||
terminateEarly();
|
||
}
|
||
}, {
|
||
signal: ac.signal
|
||
});
|
||
messageHandler.on("test", data => {
|
||
ac.abort();
|
||
if (this.destroyed || !data) {
|
||
terminateEarly();
|
||
return;
|
||
}
|
||
this._messageHandler = messageHandler;
|
||
this._port = worker;
|
||
this._webWorker = worker;
|
||
this.#resolve();
|
||
});
|
||
messageHandler.on("ready", data => {
|
||
ac.abort();
|
||
if (this.destroyed) {
|
||
terminateEarly();
|
||
return;
|
||
}
|
||
try {
|
||
sendTest();
|
||
} catch {
|
||
this._setupFakeWorker();
|
||
}
|
||
});
|
||
const sendTest = () => {
|
||
const testObj = new Uint8Array();
|
||
messageHandler.send("test", testObj, [testObj.buffer]);
|
||
};
|
||
sendTest();
|
||
return;
|
||
} catch {
|
||
info("The worker has been disabled.");
|
||
}
|
||
this._setupFakeWorker();
|
||
}
|
||
_setupFakeWorker() {
|
||
if (!PDFWorker.#isWorkerDisabled) {
|
||
warn("Setting up fake worker.");
|
||
PDFWorker.#isWorkerDisabled = true;
|
||
}
|
||
PDFWorker._setupFakeWorkerGlobal.then(WorkerMessageHandler => {
|
||
if (this.destroyed) {
|
||
this._readyCapability.reject(new Error("Worker was destroyed"));
|
||
return;
|
||
}
|
||
const port = new LoopbackPort();
|
||
this._port = port;
|
||
const id = `fake${PDFWorker.#fakeWorkerId++}`;
|
||
const workerHandler = new MessageHandler(id + "_worker", id, port);
|
||
WorkerMessageHandler.setup(workerHandler, port);
|
||
this._messageHandler = new MessageHandler(id, id + "_worker", port);
|
||
this.#resolve();
|
||
}).catch(reason => {
|
||
this._readyCapability.reject(new Error(`Setting up fake worker failed: "${reason.message}".`));
|
||
});
|
||
}
|
||
destroy() {
|
||
this.destroyed = true;
|
||
this._webWorker?.terminate();
|
||
this._webWorker = null;
|
||
PDFWorker.#workerPorts?.delete(this._port);
|
||
this._port = null;
|
||
this._messageHandler?.destroy();
|
||
this._messageHandler = null;
|
||
}
|
||
static fromPort(params) {
|
||
if (!params?.port) {
|
||
throw new Error("PDFWorker.fromPort - invalid method signature.");
|
||
}
|
||
const cachedPort = this.#workerPorts?.get(params.port);
|
||
if (cachedPort) {
|
||
if (cachedPort._pendingDestroy) {
|
||
throw new Error("PDFWorker.fromPort - the worker is being destroyed.\n" + "Please remember to await `PDFDocumentLoadingTask.destroy()`-calls.");
|
||
}
|
||
return cachedPort;
|
||
}
|
||
return new PDFWorker(params);
|
||
}
|
||
static get workerSrc() {
|
||
if (GlobalWorkerOptions.workerSrc) {
|
||
return GlobalWorkerOptions.workerSrc;
|
||
}
|
||
throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
|
||
}
|
||
static get #mainThreadWorkerMessageHandler() {
|
||
try {
|
||
return globalThis.pdfjsWorker?.WorkerMessageHandler || null;
|
||
} catch {
|
||
return null;
|
||
}
|
||
}
|
||
static get _setupFakeWorkerGlobal() {
|
||
const loader = async () => {
|
||
if (this.#mainThreadWorkerMessageHandler) {
|
||
return this.#mainThreadWorkerMessageHandler;
|
||
}
|
||
const worker = await import(/*webpackIgnore: true*/this.workerSrc);
|
||
return worker.WorkerMessageHandler;
|
||
};
|
||
return shadow(this, "_setupFakeWorkerGlobal", loader());
|
||
}
|
||
}
|
||
class WorkerTransport {
|
||
#methodPromises = new Map();
|
||
#pageCache = new Map();
|
||
#pagePromises = new Map();
|
||
#pageRefCache = new Map();
|
||
#passwordCapability = null;
|
||
constructor(messageHandler, loadingTask, networkStream, params, factory) {
|
||
this.messageHandler = messageHandler;
|
||
this.loadingTask = loadingTask;
|
||
this.commonObjs = new PDFObjects();
|
||
this.fontLoader = new FontLoader({
|
||
ownerDocument: params.ownerDocument,
|
||
styleElement: params.styleElement
|
||
});
|
||
this.loadingParams = params.loadingParams;
|
||
this._params = params;
|
||
this.canvasFactory = factory.canvasFactory;
|
||
this.filterFactory = factory.filterFactory;
|
||
this.cMapReaderFactory = factory.cMapReaderFactory;
|
||
this.standardFontDataFactory = factory.standardFontDataFactory;
|
||
this.destroyed = false;
|
||
this.destroyCapability = null;
|
||
this._networkStream = networkStream;
|
||
this._fullReader = null;
|
||
this._lastProgress = null;
|
||
this.downloadInfoCapability = Promise.withResolvers();
|
||
this.setupMessageHandler();
|
||
}
|
||
#cacheSimpleMethod(name, data = null) {
|
||
const cachedPromise = this.#methodPromises.get(name);
|
||
if (cachedPromise) {
|
||
return cachedPromise;
|
||
}
|
||
const promise = this.messageHandler.sendWithPromise(name, data);
|
||
this.#methodPromises.set(name, promise);
|
||
return promise;
|
||
}
|
||
get annotationStorage() {
|
||
return shadow(this, "annotationStorage", new AnnotationStorage());
|
||
}
|
||
getRenderingIntent(intent, annotationMode = AnnotationMode.ENABLE, printAnnotationStorage = null, isEditing = false, isOpList = false) {
|
||
let renderingIntent = RenderingIntentFlag.DISPLAY;
|
||
let annotationStorageSerializable = SerializableEmpty;
|
||
switch (intent) {
|
||
case "any":
|
||
renderingIntent = RenderingIntentFlag.ANY;
|
||
break;
|
||
case "display":
|
||
break;
|
||
case "print":
|
||
renderingIntent = RenderingIntentFlag.PRINT;
|
||
break;
|
||
default:
|
||
warn(`getRenderingIntent - invalid intent: ${intent}`);
|
||
}
|
||
const annotationStorage = renderingIntent & RenderingIntentFlag.PRINT && printAnnotationStorage instanceof PrintAnnotationStorage ? printAnnotationStorage : this.annotationStorage;
|
||
switch (annotationMode) {
|
||
case AnnotationMode.DISABLE:
|
||
renderingIntent += RenderingIntentFlag.ANNOTATIONS_DISABLE;
|
||
break;
|
||
case AnnotationMode.ENABLE:
|
||
break;
|
||
case AnnotationMode.ENABLE_FORMS:
|
||
renderingIntent += RenderingIntentFlag.ANNOTATIONS_FORMS;
|
||
break;
|
||
case AnnotationMode.ENABLE_STORAGE:
|
||
renderingIntent += RenderingIntentFlag.ANNOTATIONS_STORAGE;
|
||
annotationStorageSerializable = annotationStorage.serializable;
|
||
break;
|
||
default:
|
||
warn(`getRenderingIntent - invalid annotationMode: ${annotationMode}`);
|
||
}
|
||
if (isEditing) {
|
||
renderingIntent += RenderingIntentFlag.IS_EDITING;
|
||
}
|
||
if (isOpList) {
|
||
renderingIntent += RenderingIntentFlag.OPLIST;
|
||
}
|
||
const {
|
||
ids: modifiedIds,
|
||
hash: modifiedIdsHash
|
||
} = annotationStorage.modifiedIds;
|
||
const cacheKeyBuf = [renderingIntent, annotationStorageSerializable.hash, modifiedIdsHash];
|
||
return {
|
||
renderingIntent,
|
||
cacheKey: cacheKeyBuf.join("_"),
|
||
annotationStorageSerializable,
|
||
modifiedIds
|
||
};
|
||
}
|
||
destroy() {
|
||
if (this.destroyCapability) {
|
||
return this.destroyCapability.promise;
|
||
}
|
||
this.destroyed = true;
|
||
this.destroyCapability = Promise.withResolvers();
|
||
this.#passwordCapability?.reject(new Error("Worker was destroyed during onPassword callback"));
|
||
const waitOn = [];
|
||
for (const page of this.#pageCache.values()) {
|
||
waitOn.push(page._destroy());
|
||
}
|
||
this.#pageCache.clear();
|
||
this.#pagePromises.clear();
|
||
this.#pageRefCache.clear();
|
||
if (this.hasOwnProperty("annotationStorage")) {
|
||
this.annotationStorage.resetModified();
|
||
}
|
||
const terminated = this.messageHandler.sendWithPromise("Terminate", null);
|
||
waitOn.push(terminated);
|
||
Promise.all(waitOn).then(() => {
|
||
this.commonObjs.clear();
|
||
this.fontLoader.clear();
|
||
this.#methodPromises.clear();
|
||
this.filterFactory.destroy();
|
||
TextLayer.cleanup();
|
||
this._networkStream?.cancelAllRequests(new AbortException("Worker was terminated."));
|
||
this.messageHandler?.destroy();
|
||
this.messageHandler = null;
|
||
this.destroyCapability.resolve();
|
||
}, this.destroyCapability.reject);
|
||
return this.destroyCapability.promise;
|
||
}
|
||
setupMessageHandler() {
|
||
const {
|
||
messageHandler,
|
||
loadingTask
|
||
} = this;
|
||
messageHandler.on("GetReader", (data, sink) => {
|
||
assert(this._networkStream, "GetReader - no `IPDFStream` instance available.");
|
||
this._fullReader = this._networkStream.getFullReader();
|
||
this._fullReader.onProgress = evt => {
|
||
this._lastProgress = {
|
||
loaded: evt.loaded,
|
||
total: evt.total
|
||
};
|
||
};
|
||
sink.onPull = () => {
|
||
this._fullReader.read().then(function ({
|
||
value,
|
||
done
|
||
}) {
|
||
if (done) {
|
||
sink.close();
|
||
return;
|
||
}
|
||
assert(value instanceof ArrayBuffer, "GetReader - expected an ArrayBuffer.");
|
||
sink.enqueue(new Uint8Array(value), 1, [value]);
|
||
}).catch(reason => {
|
||
sink.error(reason);
|
||
});
|
||
};
|
||
sink.onCancel = reason => {
|
||
this._fullReader.cancel(reason);
|
||
sink.ready.catch(readyReason => {
|
||
if (this.destroyed) {
|
||
return;
|
||
}
|
||
throw readyReason;
|
||
});
|
||
};
|
||
});
|
||
messageHandler.on("ReaderHeadersReady", async data => {
|
||
await this._fullReader.headersReady;
|
||
const {
|
||
isStreamingSupported,
|
||
isRangeSupported,
|
||
contentLength
|
||
} = this._fullReader;
|
||
if (!isStreamingSupported || !isRangeSupported) {
|
||
if (this._lastProgress) {
|
||
loadingTask.onProgress?.(this._lastProgress);
|
||
}
|
||
this._fullReader.onProgress = evt => {
|
||
loadingTask.onProgress?.({
|
||
loaded: evt.loaded,
|
||
total: evt.total
|
||
});
|
||
};
|
||
}
|
||
return {
|
||
isStreamingSupported,
|
||
isRangeSupported,
|
||
contentLength
|
||
};
|
||
});
|
||
messageHandler.on("GetRangeReader", (data, sink) => {
|
||
assert(this._networkStream, "GetRangeReader - no `IPDFStream` instance available.");
|
||
const rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
|
||
if (!rangeReader) {
|
||
sink.close();
|
||
return;
|
||
}
|
||
sink.onPull = () => {
|
||
rangeReader.read().then(function ({
|
||
value,
|
||
done
|
||
}) {
|
||
if (done) {
|
||
sink.close();
|
||
return;
|
||
}
|
||
assert(value instanceof ArrayBuffer, "GetRangeReader - expected an ArrayBuffer.");
|
||
sink.enqueue(new Uint8Array(value), 1, [value]);
|
||
}).catch(reason => {
|
||
sink.error(reason);
|
||
});
|
||
};
|
||
sink.onCancel = reason => {
|
||
rangeReader.cancel(reason);
|
||
sink.ready.catch(readyReason => {
|
||
if (this.destroyed) {
|
||
return;
|
||
}
|
||
throw readyReason;
|
||
});
|
||
};
|
||
});
|
||
messageHandler.on("GetDoc", ({
|
||
pdfInfo
|
||
}) => {
|
||
this._numPages = pdfInfo.numPages;
|
||
this._htmlForXfa = pdfInfo.htmlForXfa;
|
||
delete pdfInfo.htmlForXfa;
|
||
loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));
|
||
});
|
||
messageHandler.on("DocException", ex => {
|
||
loadingTask._capability.reject(wrapReason(ex));
|
||
});
|
||
messageHandler.on("PasswordRequest", ex => {
|
||
this.#passwordCapability = Promise.withResolvers();
|
||
try {
|
||
if (!loadingTask.onPassword) {
|
||
throw wrapReason(ex);
|
||
}
|
||
const updatePassword = password => {
|
||
if (password instanceof Error) {
|
||
this.#passwordCapability.reject(password);
|
||
} else {
|
||
this.#passwordCapability.resolve({
|
||
password
|
||
});
|
||
}
|
||
};
|
||
loadingTask.onPassword(updatePassword, ex.code);
|
||
} catch (err) {
|
||
this.#passwordCapability.reject(err);
|
||
}
|
||
return this.#passwordCapability.promise;
|
||
});
|
||
messageHandler.on("DataLoaded", data => {
|
||
loadingTask.onProgress?.({
|
||
loaded: data.length,
|
||
total: data.length
|
||
});
|
||
this.downloadInfoCapability.resolve(data);
|
||
});
|
||
messageHandler.on("StartRenderPage", data => {
|
||
if (this.destroyed) {
|
||
return;
|
||
}
|
||
const page = this.#pageCache.get(data.pageIndex);
|
||
page._startRenderPage(data.transparency, data.cacheKey);
|
||
});
|
||
messageHandler.on("commonobj", ([id, type, exportedData]) => {
|
||
if (this.destroyed) {
|
||
return null;
|
||
}
|
||
if (this.commonObjs.has(id)) {
|
||
return null;
|
||
}
|
||
switch (type) {
|
||
case "Font":
|
||
const {
|
||
disableFontFace,
|
||
fontExtraProperties,
|
||
pdfBug
|
||
} = this._params;
|
||
if ("error" in exportedData) {
|
||
const exportedError = exportedData.error;
|
||
warn(`Error during font loading: ${exportedError}`);
|
||
this.commonObjs.resolve(id, exportedError);
|
||
break;
|
||
}
|
||
const inspectFont = pdfBug && globalThis.FontInspector?.enabled ? (font, url) => globalThis.FontInspector.fontAdded(font, url) : null;
|
||
const font = new FontFaceObject(exportedData, {
|
||
disableFontFace,
|
||
fontExtraProperties,
|
||
inspectFont
|
||
});
|
||
this.fontLoader.bind(font).catch(() => messageHandler.sendWithPromise("FontFallback", {
|
||
id
|
||
})).finally(() => {
|
||
if (!fontExtraProperties && font.data) {
|
||
font.data = null;
|
||
}
|
||
this.commonObjs.resolve(id, font);
|
||
});
|
||
break;
|
||
case "CopyLocalImage":
|
||
const {
|
||
imageRef
|
||
} = exportedData;
|
||
assert(imageRef, "The imageRef must be defined.");
|
||
for (const pageProxy of this.#pageCache.values()) {
|
||
for (const [, data] of pageProxy.objs) {
|
||
if (data?.ref !== imageRef) {
|
||
continue;
|
||
}
|
||
if (!data.dataLen) {
|
||
return null;
|
||
}
|
||
this.commonObjs.resolve(id, structuredClone(data));
|
||
return data.dataLen;
|
||
}
|
||
}
|
||
break;
|
||
case "FontPath":
|
||
case "Image":
|
||
case "Pattern":
|
||
this.commonObjs.resolve(id, exportedData);
|
||
break;
|
||
default:
|
||
throw new Error(`Got unknown common object type ${type}`);
|
||
}
|
||
return null;
|
||
});
|
||
messageHandler.on("obj", ([id, pageIndex, type, imageData]) => {
|
||
if (this.destroyed) {
|
||
return;
|
||
}
|
||
const pageProxy = this.#pageCache.get(pageIndex);
|
||
if (pageProxy.objs.has(id)) {
|
||
return;
|
||
}
|
||
if (pageProxy._intentStates.size === 0) {
|
||
imageData?.bitmap?.close();
|
||
return;
|
||
}
|
||
switch (type) {
|
||
case "Image":
|
||
pageProxy.objs.resolve(id, imageData);
|
||
if (imageData?.dataLen > MAX_IMAGE_SIZE_TO_CACHE) {
|
||
pageProxy._maybeCleanupAfterRender = true;
|
||
}
|
||
break;
|
||
case "Pattern":
|
||
pageProxy.objs.resolve(id, imageData);
|
||
break;
|
||
default:
|
||
throw new Error(`Got unknown object type ${type}`);
|
||
}
|
||
});
|
||
messageHandler.on("DocProgress", data => {
|
||
if (this.destroyed) {
|
||
return;
|
||
}
|
||
loadingTask.onProgress?.({
|
||
loaded: data.loaded,
|
||
total: data.total
|
||
});
|
||
});
|
||
messageHandler.on("FetchBuiltInCMap", async data => {
|
||
if (this.destroyed) {
|
||
throw new Error("Worker was destroyed.");
|
||
}
|
||
if (!this.cMapReaderFactory) {
|
||
throw new Error("CMapReaderFactory not initialized, see the `useWorkerFetch` parameter.");
|
||
}
|
||
return this.cMapReaderFactory.fetch(data);
|
||
});
|
||
messageHandler.on("FetchStandardFontData", async data => {
|
||
if (this.destroyed) {
|
||
throw new Error("Worker was destroyed.");
|
||
}
|
||
if (!this.standardFontDataFactory) {
|
||
throw new Error("StandardFontDataFactory not initialized, see the `useWorkerFetch` parameter.");
|
||
}
|
||
return this.standardFontDataFactory.fetch(data);
|
||
});
|
||
}
|
||
getData() {
|
||
return this.messageHandler.sendWithPromise("GetData", null);
|
||
}
|
||
saveDocument() {
|
||
if (this.annotationStorage.size <= 0) {
|
||
warn("saveDocument called while `annotationStorage` is empty, " + "please use the getData-method instead.");
|
||
}
|
||
const {
|
||
map,
|
||
transfer
|
||
} = this.annotationStorage.serializable;
|
||
return this.messageHandler.sendWithPromise("SaveDocument", {
|
||
isPureXfa: !!this._htmlForXfa,
|
||
numPages: this._numPages,
|
||
annotationStorage: map,
|
||
filename: this._fullReader?.filename ?? null
|
||
}, transfer).finally(() => {
|
||
this.annotationStorage.resetModified();
|
||
});
|
||
}
|
||
getPage(pageNumber) {
|
||
if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
|
||
return Promise.reject(new Error("Invalid page request."));
|
||
}
|
||
const pageIndex = pageNumber - 1,
|
||
cachedPromise = this.#pagePromises.get(pageIndex);
|
||
if (cachedPromise) {
|
||
return cachedPromise;
|
||
}
|
||
const promise = this.messageHandler.sendWithPromise("GetPage", {
|
||
pageIndex
|
||
}).then(pageInfo => {
|
||
if (this.destroyed) {
|
||
throw new Error("Transport destroyed");
|
||
}
|
||
if (pageInfo.refStr) {
|
||
this.#pageRefCache.set(pageInfo.refStr, pageNumber);
|
||
}
|
||
const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.pdfBug);
|
||
this.#pageCache.set(pageIndex, page);
|
||
return page;
|
||
});
|
||
this.#pagePromises.set(pageIndex, promise);
|
||
return promise;
|
||
}
|
||
getPageIndex(ref) {
|
||
if (!isRefProxy(ref)) {
|
||
return Promise.reject(new Error("Invalid pageIndex request."));
|
||
}
|
||
return this.messageHandler.sendWithPromise("GetPageIndex", {
|
||
num: ref.num,
|
||
gen: ref.gen
|
||
});
|
||
}
|
||
getAnnotations(pageIndex, intent) {
|
||
return this.messageHandler.sendWithPromise("GetAnnotations", {
|
||
pageIndex,
|
||
intent
|
||
});
|
||
}
|
||
getFieldObjects() {
|
||
return this.#cacheSimpleMethod("GetFieldObjects");
|
||
}
|
||
hasJSActions() {
|
||
return this.#cacheSimpleMethod("HasJSActions");
|
||
}
|
||
getCalculationOrderIds() {
|
||
return this.messageHandler.sendWithPromise("GetCalculationOrderIds", null);
|
||
}
|
||
getDestinations() {
|
||
return this.messageHandler.sendWithPromise("GetDestinations", null);
|
||
}
|
||
getDestination(id) {
|
||
if (typeof id !== "string") {
|
||
return Promise.reject(new Error("Invalid destination request."));
|
||
}
|
||
return this.messageHandler.sendWithPromise("GetDestination", {
|
||
id
|
||
});
|
||
}
|
||
getPageLabels() {
|
||
return this.messageHandler.sendWithPromise("GetPageLabels", null);
|
||
}
|
||
getPageLayout() {
|
||
return this.messageHandler.sendWithPromise("GetPageLayout", null);
|
||
}
|
||
getPageMode() {
|
||
return this.messageHandler.sendWithPromise("GetPageMode", null);
|
||
}
|
||
getViewerPreferences() {
|
||
return this.messageHandler.sendWithPromise("GetViewerPreferences", null);
|
||
}
|
||
getOpenAction() {
|
||
return this.messageHandler.sendWithPromise("GetOpenAction", null);
|
||
}
|
||
getAttachments() {
|
||
return this.messageHandler.sendWithPromise("GetAttachments", null);
|
||
}
|
||
getDocJSActions() {
|
||
return this.#cacheSimpleMethod("GetDocJSActions");
|
||
}
|
||
getPageJSActions(pageIndex) {
|
||
return this.messageHandler.sendWithPromise("GetPageJSActions", {
|
||
pageIndex
|
||
});
|
||
}
|
||
getStructTree(pageIndex) {
|
||
return this.messageHandler.sendWithPromise("GetStructTree", {
|
||
pageIndex
|
||
});
|
||
}
|
||
getOutline() {
|
||
return this.messageHandler.sendWithPromise("GetOutline", null);
|
||
}
|
||
getOptionalContentConfig(renderingIntent) {
|
||
return this.#cacheSimpleMethod("GetOptionalContentConfig").then(data => new OptionalContentConfig(data, renderingIntent));
|
||
}
|
||
getPermissions() {
|
||
return this.messageHandler.sendWithPromise("GetPermissions", null);
|
||
}
|
||
getMetadata() {
|
||
const name = "GetMetadata",
|
||
cachedPromise = this.#methodPromises.get(name);
|
||
if (cachedPromise) {
|
||
return cachedPromise;
|
||
}
|
||
const promise = this.messageHandler.sendWithPromise(name, null).then(results => ({
|
||
info: results[0],
|
||
metadata: results[1] ? new Metadata(results[1]) : null,
|
||
contentDispositionFilename: this._fullReader?.filename ?? null,
|
||
contentLength: this._fullReader?.contentLength ?? null
|
||
}));
|
||
this.#methodPromises.set(name, promise);
|
||
return promise;
|
||
}
|
||
getMarkInfo() {
|
||
return this.messageHandler.sendWithPromise("GetMarkInfo", null);
|
||
}
|
||
async startCleanup(keepLoadedFonts = false) {
|
||
if (this.destroyed) {
|
||
return;
|
||
}
|
||
await this.messageHandler.sendWithPromise("Cleanup", null);
|
||
for (const page of this.#pageCache.values()) {
|
||
const cleanupSuccessful = page.cleanup();
|
||
if (!cleanupSuccessful) {
|
||
throw new Error(`startCleanup: Page ${page.pageNumber} is currently rendering.`);
|
||
}
|
||
}
|
||
this.commonObjs.clear();
|
||
if (!keepLoadedFonts) {
|
||
this.fontLoader.clear();
|
||
}
|
||
this.#methodPromises.clear();
|
||
this.filterFactory.destroy(true);
|
||
TextLayer.cleanup();
|
||
}
|
||
cachedPageNumber(ref) {
|
||
if (!isRefProxy(ref)) {
|
||
return null;
|
||
}
|
||
const refStr = ref.gen === 0 ? `${ref.num}R` : `${ref.num}R${ref.gen}`;
|
||
return this.#pageRefCache.get(refStr) ?? null;
|
||
}
|
||
}
|
||
const INITIAL_DATA = Symbol("INITIAL_DATA");
|
||
class PDFObjects {
|
||
#objs = Object.create(null);
|
||
#ensureObj(objId) {
|
||
return this.#objs[objId] ||= {
|
||
...Promise.withResolvers(),
|
||
data: INITIAL_DATA
|
||
};
|
||
}
|
||
get(objId, callback = null) {
|
||
if (callback) {
|
||
const obj = this.#ensureObj(objId);
|
||
obj.promise.then(() => callback(obj.data));
|
||
return null;
|
||
}
|
||
const obj = this.#objs[objId];
|
||
if (!obj || obj.data === INITIAL_DATA) {
|
||
throw new Error(`Requesting object that isn't resolved yet ${objId}.`);
|
||
}
|
||
return obj.data;
|
||
}
|
||
has(objId) {
|
||
const obj = this.#objs[objId];
|
||
return !!obj && obj.data !== INITIAL_DATA;
|
||
}
|
||
delete(objId) {
|
||
const obj = this.#objs[objId];
|
||
if (!obj || obj.data === INITIAL_DATA) {
|
||
return false;
|
||
}
|
||
delete this.#objs[objId];
|
||
return true;
|
||
}
|
||
resolve(objId, data = null) {
|
||
const obj = this.#ensureObj(objId);
|
||
obj.data = data;
|
||
obj.resolve();
|
||
}
|
||
clear() {
|
||
for (const objId in this.#objs) {
|
||
const {
|
||
data
|
||
} = this.#objs[objId];
|
||
data?.bitmap?.close();
|
||
}
|
||
this.#objs = Object.create(null);
|
||
}
|
||
*[Symbol.iterator]() {
|
||
for (const objId in this.#objs) {
|
||
const {
|
||
data
|
||
} = this.#objs[objId];
|
||
if (data === INITIAL_DATA) {
|
||
continue;
|
||
}
|
||
yield [objId, data];
|
||
}
|
||
}
|
||
}
|
||
class RenderTask {
|
||
#internalRenderTask = null;
|
||
constructor(internalRenderTask) {
|
||
this.#internalRenderTask = internalRenderTask;
|
||
this.onContinue = null;
|
||
}
|
||
get promise() {
|
||
return this.#internalRenderTask.capability.promise;
|
||
}
|
||
cancel(extraDelay = 0) {
|
||
this.#internalRenderTask.cancel(null, extraDelay);
|
||
}
|
||
get separateAnnots() {
|
||
const {
|
||
separateAnnots
|
||
} = this.#internalRenderTask.operatorList;
|
||
if (!separateAnnots) {
|
||
return false;
|
||
}
|
||
const {
|
||
annotationCanvasMap
|
||
} = this.#internalRenderTask;
|
||
return separateAnnots.form || separateAnnots.canvas && annotationCanvasMap?.size > 0;
|
||
}
|
||
}
|
||
class InternalRenderTask {
|
||
#rAF = null;
|
||
static #canvasInUse = new WeakSet();
|
||
constructor({
|
||
callback,
|
||
params,
|
||
objs,
|
||
commonObjs,
|
||
annotationCanvasMap,
|
||
operatorList,
|
||
pageIndex,
|
||
canvasFactory,
|
||
filterFactory,
|
||
useRequestAnimationFrame = false,
|
||
pdfBug = false,
|
||
pageColors = null
|
||
}) {
|
||
this.callback = callback;
|
||
this.params = params;
|
||
this.objs = objs;
|
||
this.commonObjs = commonObjs;
|
||
this.annotationCanvasMap = annotationCanvasMap;
|
||
this.operatorListIdx = null;
|
||
this.operatorList = operatorList;
|
||
this._pageIndex = pageIndex;
|
||
this.canvasFactory = canvasFactory;
|
||
this.filterFactory = filterFactory;
|
||
this._pdfBug = pdfBug;
|
||
this.pageColors = pageColors;
|
||
this.running = false;
|
||
this.graphicsReadyCallback = null;
|
||
this.graphicsReady = false;
|
||
this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined";
|
||
this.cancelled = false;
|
||
this.capability = Promise.withResolvers();
|
||
this.task = new RenderTask(this);
|
||
this._cancelBound = this.cancel.bind(this);
|
||
this._continueBound = this._continue.bind(this);
|
||
this._scheduleNextBound = this._scheduleNext.bind(this);
|
||
this._nextBound = this._next.bind(this);
|
||
this._canvas = params.canvasContext.canvas;
|
||
}
|
||
get completed() {
|
||
return this.capability.promise.catch(function () {});
|
||
}
|
||
initializeGraphics({
|
||
transparency = false,
|
||
optionalContentConfig
|
||
}) {
|
||
if (this.cancelled) {
|
||
return;
|
||
}
|
||
if (this._canvas) {
|
||
if (InternalRenderTask.#canvasInUse.has(this._canvas)) {
|
||
throw new Error("Cannot use the same canvas during multiple render() operations. " + "Use different canvas or ensure previous operations were " + "cancelled or completed.");
|
||
}
|
||
InternalRenderTask.#canvasInUse.add(this._canvas);
|
||
}
|
||
if (this._pdfBug && globalThis.StepperManager?.enabled) {
|
||
this.stepper = globalThis.StepperManager.create(this._pageIndex);
|
||
this.stepper.init(this.operatorList);
|
||
this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
|
||
}
|
||
const {
|
||
canvasContext,
|
||
viewport,
|
||
transform,
|
||
background
|
||
} = this.params;
|
||
this.gfx = new CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.filterFactory, {
|
||
optionalContentConfig
|
||
}, this.annotationCanvasMap, this.pageColors);
|
||
this.gfx.beginDrawing({
|
||
transform,
|
||
viewport,
|
||
transparency,
|
||
background
|
||
});
|
||
this.operatorListIdx = 0;
|
||
this.graphicsReady = true;
|
||
this.graphicsReadyCallback?.();
|
||
}
|
||
cancel(error = null, extraDelay = 0) {
|
||
this.running = false;
|
||
this.cancelled = true;
|
||
this.gfx?.endDrawing();
|
||
if (this.#rAF) {
|
||
window.cancelAnimationFrame(this.#rAF);
|
||
this.#rAF = null;
|
||
}
|
||
InternalRenderTask.#canvasInUse.delete(this._canvas);
|
||
this.callback(error || new RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, extraDelay));
|
||
}
|
||
operatorListChanged() {
|
||
if (!this.graphicsReady) {
|
||
this.graphicsReadyCallback ||= this._continueBound;
|
||
return;
|
||
}
|
||
this.stepper?.updateOperatorList(this.operatorList);
|
||
if (this.running) {
|
||
return;
|
||
}
|
||
this._continue();
|
||
}
|
||
_continue() {
|
||
this.running = true;
|
||
if (this.cancelled) {
|
||
return;
|
||
}
|
||
if (this.task.onContinue) {
|
||
this.task.onContinue(this._scheduleNextBound);
|
||
} else {
|
||
this._scheduleNext();
|
||
}
|
||
}
|
||
_scheduleNext() {
|
||
if (this._useRequestAnimationFrame) {
|
||
this.#rAF = window.requestAnimationFrame(() => {
|
||
this.#rAF = null;
|
||
this._nextBound().catch(this._cancelBound);
|
||
});
|
||
} else {
|
||
Promise.resolve().then(this._nextBound).catch(this._cancelBound);
|
||
}
|
||
}
|
||
async _next() {
|
||
if (this.cancelled) {
|
||
return;
|
||
}
|
||
this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
|
||
if (this.operatorListIdx === this.operatorList.argsArray.length) {
|
||
this.running = false;
|
||
if (this.operatorList.lastChunk) {
|
||
this.gfx.endDrawing();
|
||
InternalRenderTask.#canvasInUse.delete(this._canvas);
|
||
this.callback();
|
||
}
|
||
}
|
||
}
|
||
}
|
||
const version = "4.10.38";
|
||
const build = "f9bea397f";
|
||
|
||
;// ./src/shared/scripting_utils.js
|
||
function makeColorComp(n) {
|
||
return Math.floor(Math.max(0, Math.min(1, n)) * 255).toString(16).padStart(2, "0");
|
||
}
|
||
function scaleAndClamp(x) {
|
||
return Math.max(0, Math.min(255, 255 * x));
|
||
}
|
||
class ColorConverters {
|
||
static CMYK_G([c, y, m, k]) {
|
||
return ["G", 1 - Math.min(1, 0.3 * c + 0.59 * m + 0.11 * y + k)];
|
||
}
|
||
static G_CMYK([g]) {
|
||
return ["CMYK", 0, 0, 0, 1 - g];
|
||
}
|
||
static G_RGB([g]) {
|
||
return ["RGB", g, g, g];
|
||
}
|
||
static G_rgb([g]) {
|
||
g = scaleAndClamp(g);
|
||
return [g, g, g];
|
||
}
|
||
static G_HTML([g]) {
|
||
const G = makeColorComp(g);
|
||
return `#${G}${G}${G}`;
|
||
}
|
||
static RGB_G([r, g, b]) {
|
||
return ["G", 0.3 * r + 0.59 * g + 0.11 * b];
|
||
}
|
||
static RGB_rgb(color) {
|
||
return color.map(scaleAndClamp);
|
||
}
|
||
static RGB_HTML(color) {
|
||
return `#${color.map(makeColorComp).join("")}`;
|
||
}
|
||
static T_HTML() {
|
||
return "#00000000";
|
||
}
|
||
static T_rgb() {
|
||
return [null];
|
||
}
|
||
static CMYK_RGB([c, y, m, k]) {
|
||
return ["RGB", 1 - Math.min(1, c + k), 1 - Math.min(1, m + k), 1 - Math.min(1, y + k)];
|
||
}
|
||
static CMYK_rgb([c, y, m, k]) {
|
||
return [scaleAndClamp(1 - Math.min(1, c + k)), scaleAndClamp(1 - Math.min(1, m + k)), scaleAndClamp(1 - Math.min(1, y + k))];
|
||
}
|
||
static CMYK_HTML(components) {
|
||
const rgb = this.CMYK_RGB(components).slice(1);
|
||
return this.RGB_HTML(rgb);
|
||
}
|
||
static RGB_CMYK([r, g, b]) {
|
||
const c = 1 - r;
|
||
const m = 1 - g;
|
||
const y = 1 - b;
|
||
const k = Math.min(c, m, y);
|
||
return ["CMYK", c, m, y, k];
|
||
}
|
||
}
|
||
|
||
;// ./src/display/svg_factory.js
|
||
|
||
|
||
class BaseSVGFactory {
|
||
create(width, height, skipDimensions = false) {
|
||
if (width <= 0 || height <= 0) {
|
||
throw new Error("Invalid SVG dimensions");
|
||
}
|
||
const svg = this._createSVG("svg:svg");
|
||
svg.setAttribute("version", "1.1");
|
||
if (!skipDimensions) {
|
||
svg.setAttribute("width", `${width}px`);
|
||
svg.setAttribute("height", `${height}px`);
|
||
}
|
||
svg.setAttribute("preserveAspectRatio", "none");
|
||
svg.setAttribute("viewBox", `0 0 ${width} ${height}`);
|
||
return svg;
|
||
}
|
||
createElement(type) {
|
||
if (typeof type !== "string") {
|
||
throw new Error("Invalid SVG element type");
|
||
}
|
||
return this._createSVG(type);
|
||
}
|
||
_createSVG(type) {
|
||
unreachable("Abstract method `_createSVG` called.");
|
||
}
|
||
}
|
||
class DOMSVGFactory extends BaseSVGFactory {
|
||
_createSVG(type) {
|
||
return document.createElementNS(SVG_NS, type);
|
||
}
|
||
}
|
||
|
||
;// ./src/display/xfa_layer.js
|
||
|
||
class XfaLayer {
|
||
static setupStorage(html, id, element, storage, intent) {
|
||
const storedData = storage.getValue(id, {
|
||
value: null
|
||
});
|
||
switch (element.name) {
|
||
case "textarea":
|
||
if (storedData.value !== null) {
|
||
html.textContent = storedData.value;
|
||
}
|
||
if (intent === "print") {
|
||
break;
|
||
}
|
||
html.addEventListener("input", event => {
|
||
storage.setValue(id, {
|
||
value: event.target.value
|
||
});
|
||
});
|
||
break;
|
||
case "input":
|
||
if (element.attributes.type === "radio" || element.attributes.type === "checkbox") {
|
||
if (storedData.value === element.attributes.xfaOn) {
|
||
html.setAttribute("checked", true);
|
||
} else if (storedData.value === element.attributes.xfaOff) {
|
||
html.removeAttribute("checked");
|
||
}
|
||
if (intent === "print") {
|
||
break;
|
||
}
|
||
html.addEventListener("change", event => {
|
||
storage.setValue(id, {
|
||
value: event.target.checked ? event.target.getAttribute("xfaOn") : event.target.getAttribute("xfaOff")
|
||
});
|
||
});
|
||
} else {
|
||
if (storedData.value !== null) {
|
||
html.setAttribute("value", storedData.value);
|
||
}
|
||
if (intent === "print") {
|
||
break;
|
||
}
|
||
html.addEventListener("input", event => {
|
||
storage.setValue(id, {
|
||
value: event.target.value
|
||
});
|
||
});
|
||
}
|
||
break;
|
||
case "select":
|
||
if (storedData.value !== null) {
|
||
html.setAttribute("value", storedData.value);
|
||
for (const option of element.children) {
|
||
if (option.attributes.value === storedData.value) {
|
||
option.attributes.selected = true;
|
||
} else if (option.attributes.hasOwnProperty("selected")) {
|
||
delete option.attributes.selected;
|
||
}
|
||
}
|
||
}
|
||
html.addEventListener("input", event => {
|
||
const options = event.target.options;
|
||
const value = options.selectedIndex === -1 ? "" : options[options.selectedIndex].value;
|
||
storage.setValue(id, {
|
||
value
|
||
});
|
||
});
|
||
break;
|
||
}
|
||
}
|
||
static setAttributes({
|
||
html,
|
||
element,
|
||
storage = null,
|
||
intent,
|
||
linkService
|
||
}) {
|
||
const {
|
||
attributes
|
||
} = element;
|
||
const isHTMLAnchorElement = html instanceof HTMLAnchorElement;
|
||
if (attributes.type === "radio") {
|
||
attributes.name = `${attributes.name}-${intent}`;
|
||
}
|
||
for (const [key, value] of Object.entries(attributes)) {
|
||
if (value === null || value === undefined) {
|
||
continue;
|
||
}
|
||
switch (key) {
|
||
case "class":
|
||
if (value.length) {
|
||
html.setAttribute(key, value.join(" "));
|
||
}
|
||
break;
|
||
case "dataId":
|
||
break;
|
||
case "id":
|
||
html.setAttribute("data-element-id", value);
|
||
break;
|
||
case "style":
|
||
Object.assign(html.style, value);
|
||
break;
|
||
case "textContent":
|
||
html.textContent = value;
|
||
break;
|
||
default:
|
||
if (!isHTMLAnchorElement || key !== "href" && key !== "newWindow") {
|
||
html.setAttribute(key, value);
|
||
}
|
||
}
|
||
}
|
||
if (isHTMLAnchorElement) {
|
||
linkService.addLinkAttributes(html, attributes.href, attributes.newWindow);
|
||
}
|
||
if (storage && attributes.dataId) {
|
||
this.setupStorage(html, attributes.dataId, element, storage);
|
||
}
|
||
}
|
||
static render(parameters) {
|
||
const storage = parameters.annotationStorage;
|
||
const linkService = parameters.linkService;
|
||
const root = parameters.xfaHtml;
|
||
const intent = parameters.intent || "display";
|
||
const rootHtml = document.createElement(root.name);
|
||
if (root.attributes) {
|
||
this.setAttributes({
|
||
html: rootHtml,
|
||
element: root,
|
||
intent,
|
||
linkService
|
||
});
|
||
}
|
||
const isNotForRichText = intent !== "richText";
|
||
const rootDiv = parameters.div;
|
||
rootDiv.append(rootHtml);
|
||
if (parameters.viewport) {
|
||
const transform = `matrix(${parameters.viewport.transform.join(",")})`;
|
||
rootDiv.style.transform = transform;
|
||
}
|
||
if (isNotForRichText) {
|
||
rootDiv.setAttribute("class", "xfaLayer xfaFont");
|
||
}
|
||
const textDivs = [];
|
||
if (root.children.length === 0) {
|
||
if (root.value) {
|
||
const node = document.createTextNode(root.value);
|
||
rootHtml.append(node);
|
||
if (isNotForRichText && XfaText.shouldBuildText(root.name)) {
|
||
textDivs.push(node);
|
||
}
|
||
}
|
||
return {
|
||
textDivs
|
||
};
|
||
}
|
||
const stack = [[root, -1, rootHtml]];
|
||
while (stack.length > 0) {
|
||
const [parent, i, html] = stack.at(-1);
|
||
if (i + 1 === parent.children.length) {
|
||
stack.pop();
|
||
continue;
|
||
}
|
||
const child = parent.children[++stack.at(-1)[1]];
|
||
if (child === null) {
|
||
continue;
|
||
}
|
||
const {
|
||
name
|
||
} = child;
|
||
if (name === "#text") {
|
||
const node = document.createTextNode(child.value);
|
||
textDivs.push(node);
|
||
html.append(node);
|
||
continue;
|
||
}
|
||
const childHtml = child?.attributes?.xmlns ? document.createElementNS(child.attributes.xmlns, name) : document.createElement(name);
|
||
html.append(childHtml);
|
||
if (child.attributes) {
|
||
this.setAttributes({
|
||
html: childHtml,
|
||
element: child,
|
||
storage,
|
||
intent,
|
||
linkService
|
||
});
|
||
}
|
||
if (child.children?.length > 0) {
|
||
stack.push([child, -1, childHtml]);
|
||
} else if (child.value) {
|
||
const node = document.createTextNode(child.value);
|
||
if (isNotForRichText && XfaText.shouldBuildText(name)) {
|
||
textDivs.push(node);
|
||
}
|
||
childHtml.append(node);
|
||
}
|
||
}
|
||
for (const el of rootDiv.querySelectorAll(".xfaNonInteractive input, .xfaNonInteractive textarea")) {
|
||
el.setAttribute("readOnly", true);
|
||
}
|
||
return {
|
||
textDivs
|
||
};
|
||
}
|
||
static update(parameters) {
|
||
const transform = `matrix(${parameters.viewport.transform.join(",")})`;
|
||
parameters.div.style.transform = transform;
|
||
parameters.div.hidden = false;
|
||
}
|
||
}
|
||
|
||
;// ./src/display/annotation_layer.js
|
||
|
||
|
||
|
||
|
||
|
||
|
||
const DEFAULT_TAB_INDEX = 1000;
|
||
const annotation_layer_DEFAULT_FONT_SIZE = 9;
|
||
const GetElementsByNameSet = new WeakSet();
|
||
function getRectDims(rect) {
|
||
return {
|
||
width: rect[2] - rect[0],
|
||
height: rect[3] - rect[1]
|
||
};
|
||
}
|
||
class AnnotationElementFactory {
|
||
static create(parameters) {
|
||
const subtype = parameters.data.annotationType;
|
||
switch (subtype) {
|
||
case AnnotationType.LINK:
|
||
return new LinkAnnotationElement(parameters);
|
||
case AnnotationType.TEXT:
|
||
return new TextAnnotationElement(parameters);
|
||
case AnnotationType.WIDGET:
|
||
const fieldType = parameters.data.fieldType;
|
||
switch (fieldType) {
|
||
case "Tx":
|
||
return new TextWidgetAnnotationElement(parameters);
|
||
case "Btn":
|
||
if (parameters.data.radioButton) {
|
||
return new RadioButtonWidgetAnnotationElement(parameters);
|
||
} else if (parameters.data.checkBox) {
|
||
return new CheckboxWidgetAnnotationElement(parameters);
|
||
}
|
||
return new PushButtonWidgetAnnotationElement(parameters);
|
||
case "Ch":
|
||
return new ChoiceWidgetAnnotationElement(parameters);
|
||
case "Sig":
|
||
return new SignatureWidgetAnnotationElement(parameters);
|
||
}
|
||
return new WidgetAnnotationElement(parameters);
|
||
case AnnotationType.POPUP:
|
||
return new PopupAnnotationElement(parameters);
|
||
case AnnotationType.FREETEXT:
|
||
return new FreeTextAnnotationElement(parameters);
|
||
case AnnotationType.LINE:
|
||
return new LineAnnotationElement(parameters);
|
||
case AnnotationType.SQUARE:
|
||
return new SquareAnnotationElement(parameters);
|
||
case AnnotationType.CIRCLE:
|
||
return new CircleAnnotationElement(parameters);
|
||
case AnnotationType.POLYLINE:
|
||
return new PolylineAnnotationElement(parameters);
|
||
case AnnotationType.CARET:
|
||
return new CaretAnnotationElement(parameters);
|
||
case AnnotationType.INK:
|
||
return new InkAnnotationElement(parameters);
|
||
case AnnotationType.POLYGON:
|
||
return new PolygonAnnotationElement(parameters);
|
||
case AnnotationType.HIGHLIGHT:
|
||
return new HighlightAnnotationElement(parameters);
|
||
case AnnotationType.UNDERLINE:
|
||
return new UnderlineAnnotationElement(parameters);
|
||
case AnnotationType.SQUIGGLY:
|
||
return new SquigglyAnnotationElement(parameters);
|
||
case AnnotationType.STRIKEOUT:
|
||
return new StrikeOutAnnotationElement(parameters);
|
||
case AnnotationType.STAMP:
|
||
return new StampAnnotationElement(parameters);
|
||
case AnnotationType.FILEATTACHMENT:
|
||
return new FileAttachmentAnnotationElement(parameters);
|
||
default:
|
||
return new AnnotationElement(parameters);
|
||
}
|
||
}
|
||
}
|
||
class AnnotationElement {
|
||
#updates = null;
|
||
#hasBorder = false;
|
||
#popupElement = null;
|
||
constructor(parameters, {
|
||
isRenderable = false,
|
||
ignoreBorder = false,
|
||
createQuadrilaterals = false
|
||
} = {}) {
|
||
this.isRenderable = isRenderable;
|
||
this.data = parameters.data;
|
||
this.layer = parameters.layer;
|
||
this.linkService = parameters.linkService;
|
||
this.downloadManager = parameters.downloadManager;
|
||
this.imageResourcesPath = parameters.imageResourcesPath;
|
||
this.renderForms = parameters.renderForms;
|
||
this.svgFactory = parameters.svgFactory;
|
||
this.annotationStorage = parameters.annotationStorage;
|
||
this.enableScripting = parameters.enableScripting;
|
||
this.hasJSActions = parameters.hasJSActions;
|
||
this._fieldObjects = parameters.fieldObjects;
|
||
this.parent = parameters.parent;
|
||
if (isRenderable) {
|
||
this.container = this._createContainer(ignoreBorder);
|
||
}
|
||
if (createQuadrilaterals) {
|
||
this._createQuadrilaterals();
|
||
}
|
||
}
|
||
static _hasPopupData({
|
||
titleObj,
|
||
contentsObj,
|
||
richText
|
||
}) {
|
||
return !!(titleObj?.str || contentsObj?.str || richText?.str);
|
||
}
|
||
get _isEditable() {
|
||
return this.data.isEditable;
|
||
}
|
||
get hasPopupData() {
|
||
return AnnotationElement._hasPopupData(this.data);
|
||
}
|
||
updateEdited(params) {
|
||
if (!this.container) {
|
||
return;
|
||
}
|
||
this.#updates ||= {
|
||
rect: this.data.rect.slice(0)
|
||
};
|
||
const {
|
||
rect
|
||
} = params;
|
||
if (rect) {
|
||
this.#setRectEdited(rect);
|
||
}
|
||
this.#popupElement?.popup.updateEdited(params);
|
||
}
|
||
resetEdited() {
|
||
if (!this.#updates) {
|
||
return;
|
||
}
|
||
this.#setRectEdited(this.#updates.rect);
|
||
this.#popupElement?.popup.resetEdited();
|
||
this.#updates = null;
|
||
}
|
||
#setRectEdited(rect) {
|
||
const {
|
||
container: {
|
||
style
|
||
},
|
||
data: {
|
||
rect: currentRect,
|
||
rotation
|
||
},
|
||
parent: {
|
||
viewport: {
|
||
rawDims: {
|
||
pageWidth,
|
||
pageHeight,
|
||
pageX,
|
||
pageY
|
||
}
|
||
}
|
||
}
|
||
} = this;
|
||
currentRect?.splice(0, 4, ...rect);
|
||
const {
|
||
width,
|
||
height
|
||
} = getRectDims(rect);
|
||
style.left = `${100 * (rect[0] - pageX) / pageWidth}%`;
|
||
style.top = `${100 * (pageHeight - rect[3] + pageY) / pageHeight}%`;
|
||
if (rotation === 0) {
|
||
style.width = `${100 * width / pageWidth}%`;
|
||
style.height = `${100 * height / pageHeight}%`;
|
||
} else {
|
||
this.setRotation(rotation);
|
||
}
|
||
}
|
||
_createContainer(ignoreBorder) {
|
||
const {
|
||
data,
|
||
parent: {
|
||
page,
|
||
viewport
|
||
}
|
||
} = this;
|
||
const container = document.createElement("section");
|
||
container.setAttribute("data-annotation-id", data.id);
|
||
if (!(this instanceof WidgetAnnotationElement)) {
|
||
container.tabIndex = DEFAULT_TAB_INDEX;
|
||
}
|
||
const {
|
||
style
|
||
} = container;
|
||
style.zIndex = this.parent.zIndex++;
|
||
if (data.alternativeText) {
|
||
container.title = data.alternativeText;
|
||
}
|
||
if (data.noRotate) {
|
||
container.classList.add("norotate");
|
||
}
|
||
if (!data.rect || this instanceof PopupAnnotationElement) {
|
||
const {
|
||
rotation
|
||
} = data;
|
||
if (!data.hasOwnCanvas && rotation !== 0) {
|
||
this.setRotation(rotation, container);
|
||
}
|
||
return container;
|
||
}
|
||
const {
|
||
width,
|
||
height
|
||
} = getRectDims(data.rect);
|
||
if (!ignoreBorder && data.borderStyle.width > 0) {
|
||
style.borderWidth = `${data.borderStyle.width}px`;
|
||
const horizontalRadius = data.borderStyle.horizontalCornerRadius;
|
||
const verticalRadius = data.borderStyle.verticalCornerRadius;
|
||
if (horizontalRadius > 0 || verticalRadius > 0) {
|
||
const radius = `calc(${horizontalRadius}px * var(--scale-factor)) / calc(${verticalRadius}px * var(--scale-factor))`;
|
||
style.borderRadius = radius;
|
||
} else if (this instanceof RadioButtonWidgetAnnotationElement) {
|
||
const radius = `calc(${width}px * var(--scale-factor)) / calc(${height}px * var(--scale-factor))`;
|
||
style.borderRadius = radius;
|
||
}
|
||
switch (data.borderStyle.style) {
|
||
case AnnotationBorderStyleType.SOLID:
|
||
style.borderStyle = "solid";
|
||
break;
|
||
case AnnotationBorderStyleType.DASHED:
|
||
style.borderStyle = "dashed";
|
||
break;
|
||
case AnnotationBorderStyleType.BEVELED:
|
||
warn("Unimplemented border style: beveled");
|
||
break;
|
||
case AnnotationBorderStyleType.INSET:
|
||
warn("Unimplemented border style: inset");
|
||
break;
|
||
case AnnotationBorderStyleType.UNDERLINE:
|
||
style.borderBottomStyle = "solid";
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
const borderColor = data.borderColor || null;
|
||
if (borderColor) {
|
||
this.#hasBorder = true;
|
||
style.borderColor = Util.makeHexColor(borderColor[0] | 0, borderColor[1] | 0, borderColor[2] | 0);
|
||
} else {
|
||
style.borderWidth = 0;
|
||
}
|
||
}
|
||
const rect = Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
|
||
const {
|
||
pageWidth,
|
||
pageHeight,
|
||
pageX,
|
||
pageY
|
||
} = viewport.rawDims;
|
||
style.left = `${100 * (rect[0] - pageX) / pageWidth}%`;
|
||
style.top = `${100 * (rect[1] - pageY) / pageHeight}%`;
|
||
const {
|
||
rotation
|
||
} = data;
|
||
if (data.hasOwnCanvas || rotation === 0) {
|
||
style.width = `${100 * width / pageWidth}%`;
|
||
style.height = `${100 * height / pageHeight}%`;
|
||
} else {
|
||
this.setRotation(rotation, container);
|
||
}
|
||
return container;
|
||
}
|
||
setRotation(angle, container = this.container) {
|
||
if (!this.data.rect) {
|
||
return;
|
||
}
|
||
const {
|
||
pageWidth,
|
||
pageHeight
|
||
} = this.parent.viewport.rawDims;
|
||
const {
|
||
width,
|
||
height
|
||
} = getRectDims(this.data.rect);
|
||
let elementWidth, elementHeight;
|
||
if (angle % 180 === 0) {
|
||
elementWidth = 100 * width / pageWidth;
|
||
elementHeight = 100 * height / pageHeight;
|
||
} else {
|
||
elementWidth = 100 * height / pageWidth;
|
||
elementHeight = 100 * width / pageHeight;
|
||
}
|
||
container.style.width = `${elementWidth}%`;
|
||
container.style.height = `${elementHeight}%`;
|
||
container.setAttribute("data-main-rotation", (360 - angle) % 360);
|
||
}
|
||
get _commonActions() {
|
||
const setColor = (jsName, styleName, event) => {
|
||
const color = event.detail[jsName];
|
||
const colorType = color[0];
|
||
const colorArray = color.slice(1);
|
||
event.target.style[styleName] = ColorConverters[`${colorType}_HTML`](colorArray);
|
||
this.annotationStorage.setValue(this.data.id, {
|
||
[styleName]: ColorConverters[`${colorType}_rgb`](colorArray)
|
||
});
|
||
};
|
||
return shadow(this, "_commonActions", {
|
||
display: event => {
|
||
const {
|
||
display
|
||
} = event.detail;
|
||
const hidden = display % 2 === 1;
|
||
this.container.style.visibility = hidden ? "hidden" : "visible";
|
||
this.annotationStorage.setValue(this.data.id, {
|
||
noView: hidden,
|
||
noPrint: display === 1 || display === 2
|
||
});
|
||
},
|
||
print: event => {
|
||
this.annotationStorage.setValue(this.data.id, {
|
||
noPrint: !event.detail.print
|
||
});
|
||
},
|
||
hidden: event => {
|
||
const {
|
||
hidden
|
||
} = event.detail;
|
||
this.container.style.visibility = hidden ? "hidden" : "visible";
|
||
this.annotationStorage.setValue(this.data.id, {
|
||
noPrint: hidden,
|
||
noView: hidden
|
||
});
|
||
},
|
||
focus: event => {
|
||
setTimeout(() => event.target.focus({
|
||
preventScroll: false
|
||
}), 0);
|
||
},
|
||
userName: event => {
|
||
event.target.title = event.detail.userName;
|
||
},
|
||
readonly: event => {
|
||
event.target.disabled = event.detail.readonly;
|
||
},
|
||
required: event => {
|
||
this._setRequired(event.target, event.detail.required);
|
||
},
|
||
bgColor: event => {
|
||
setColor("bgColor", "backgroundColor", event);
|
||
},
|
||
fillColor: event => {
|
||
setColor("fillColor", "backgroundColor", event);
|
||
},
|
||
fgColor: event => {
|
||
setColor("fgColor", "color", event);
|
||
},
|
||
textColor: event => {
|
||
setColor("textColor", "color", event);
|
||
},
|
||
borderColor: event => {
|
||
setColor("borderColor", "borderColor", event);
|
||
},
|
||
strokeColor: event => {
|
||
setColor("strokeColor", "borderColor", event);
|
||
},
|
||
rotation: event => {
|
||
const angle = event.detail.rotation;
|
||
this.setRotation(angle);
|
||
this.annotationStorage.setValue(this.data.id, {
|
||
rotation: angle
|
||
});
|
||
}
|
||
});
|
||
}
|
||
_dispatchEventFromSandbox(actions, jsEvent) {
|
||
const commonActions = this._commonActions;
|
||
for (const name of Object.keys(jsEvent.detail)) {
|
||
const action = actions[name] || commonActions[name];
|
||
action?.(jsEvent);
|
||
}
|
||
}
|
||
_setDefaultPropertiesFromJS(element) {
|
||
if (!this.enableScripting) {
|
||
return;
|
||
}
|
||
const storedData = this.annotationStorage.getRawValue(this.data.id);
|
||
if (!storedData) {
|
||
return;
|
||
}
|
||
const commonActions = this._commonActions;
|
||
for (const [actionName, detail] of Object.entries(storedData)) {
|
||
const action = commonActions[actionName];
|
||
if (action) {
|
||
const eventProxy = {
|
||
detail: {
|
||
[actionName]: detail
|
||
},
|
||
target: element
|
||
};
|
||
action(eventProxy);
|
||
delete storedData[actionName];
|
||
}
|
||
}
|
||
}
|
||
_createQuadrilaterals() {
|
||
if (!this.container) {
|
||
return;
|
||
}
|
||
const {
|
||
quadPoints
|
||
} = this.data;
|
||
if (!quadPoints) {
|
||
return;
|
||
}
|
||
const [rectBlX, rectBlY, rectTrX, rectTrY] = this.data.rect.map(x => Math.fround(x));
|
||
if (quadPoints.length === 8) {
|
||
const [trX, trY, blX, blY] = quadPoints.subarray(2, 6);
|
||
if (rectTrX === trX && rectTrY === trY && rectBlX === blX && rectBlY === blY) {
|
||
return;
|
||
}
|
||
}
|
||
const {
|
||
style
|
||
} = this.container;
|
||
let svgBuffer;
|
||
if (this.#hasBorder) {
|
||
const {
|
||
borderColor,
|
||
borderWidth
|
||
} = style;
|
||
style.borderWidth = 0;
|
||
svgBuffer = ["url('data:image/svg+xml;utf8,", `<svg xmlns="http://www.w3.org/2000/svg"`, ` preserveAspectRatio="none" viewBox="0 0 1 1">`, `<g fill="transparent" stroke="${borderColor}" stroke-width="${borderWidth}">`];
|
||
this.container.classList.add("hasBorder");
|
||
}
|
||
const width = rectTrX - rectBlX;
|
||
const height = rectTrY - rectBlY;
|
||
const {
|
||
svgFactory
|
||
} = this;
|
||
const svg = svgFactory.createElement("svg");
|
||
svg.classList.add("quadrilateralsContainer");
|
||
svg.setAttribute("width", 0);
|
||
svg.setAttribute("height", 0);
|
||
const defs = svgFactory.createElement("defs");
|
||
svg.append(defs);
|
||
const clipPath = svgFactory.createElement("clipPath");
|
||
const id = `clippath_${this.data.id}`;
|
||
clipPath.setAttribute("id", id);
|
||
clipPath.setAttribute("clipPathUnits", "objectBoundingBox");
|
||
defs.append(clipPath);
|
||
for (let i = 2, ii = quadPoints.length; i < ii; i += 8) {
|
||
const trX = quadPoints[i];
|
||
const trY = quadPoints[i + 1];
|
||
const blX = quadPoints[i + 2];
|
||
const blY = quadPoints[i + 3];
|
||
const rect = svgFactory.createElement("rect");
|
||
const x = (blX - rectBlX) / width;
|
||
const y = (rectTrY - trY) / height;
|
||
const rectWidth = (trX - blX) / width;
|
||
const rectHeight = (trY - blY) / height;
|
||
rect.setAttribute("x", x);
|
||
rect.setAttribute("y", y);
|
||
rect.setAttribute("width", rectWidth);
|
||
rect.setAttribute("height", rectHeight);
|
||
clipPath.append(rect);
|
||
svgBuffer?.push(`<rect vector-effect="non-scaling-stroke" x="${x}" y="${y}" width="${rectWidth}" height="${rectHeight}"/>`);
|
||
}
|
||
if (this.#hasBorder) {
|
||
svgBuffer.push(`</g></svg>')`);
|
||
style.backgroundImage = svgBuffer.join("");
|
||
}
|
||
this.container.append(svg);
|
||
this.container.style.clipPath = `url(#${id})`;
|
||
}
|
||
_createPopup() {
|
||
const {
|
||
data
|
||
} = this;
|
||
const popup = this.#popupElement = new PopupAnnotationElement({
|
||
data: {
|
||
color: data.color,
|
||
titleObj: data.titleObj,
|
||
modificationDate: data.modificationDate,
|
||
contentsObj: data.contentsObj,
|
||
richText: data.richText,
|
||
parentRect: data.rect,
|
||
borderStyle: 0,
|
||
id: `popup_${data.id}`,
|
||
rotation: data.rotation
|
||
},
|
||
parent: this.parent,
|
||
elements: [this]
|
||
});
|
||
this.parent.div.append(popup.render());
|
||
}
|
||
render() {
|
||
unreachable("Abstract method `AnnotationElement.render` called");
|
||
}
|
||
_getElementsByName(name, skipId = null) {
|
||
const fields = [];
|
||
if (this._fieldObjects) {
|
||
const fieldObj = this._fieldObjects[name];
|
||
if (fieldObj) {
|
||
for (const {
|
||
page,
|
||
id,
|
||
exportValues
|
||
} of fieldObj) {
|
||
if (page === -1) {
|
||
continue;
|
||
}
|
||
if (id === skipId) {
|
||
continue;
|
||
}
|
||
const exportValue = typeof exportValues === "string" ? exportValues : null;
|
||
const domElement = document.querySelector(`[data-element-id="${id}"]`);
|
||
if (domElement && !GetElementsByNameSet.has(domElement)) {
|
||
warn(`_getElementsByName - element not allowed: ${id}`);
|
||
continue;
|
||
}
|
||
fields.push({
|
||
id,
|
||
exportValue,
|
||
domElement
|
||
});
|
||
}
|
||
}
|
||
return fields;
|
||
}
|
||
for (const domElement of document.getElementsByName(name)) {
|
||
const {
|
||
exportValue
|
||
} = domElement;
|
||
const id = domElement.getAttribute("data-element-id");
|
||
if (id === skipId) {
|
||
continue;
|
||
}
|
||
if (!GetElementsByNameSet.has(domElement)) {
|
||
continue;
|
||
}
|
||
fields.push({
|
||
id,
|
||
exportValue,
|
||
domElement
|
||
});
|
||
}
|
||
return fields;
|
||
}
|
||
show() {
|
||
if (this.container) {
|
||
this.container.hidden = false;
|
||
}
|
||
this.popup?.maybeShow();
|
||
}
|
||
hide() {
|
||
if (this.container) {
|
||
this.container.hidden = true;
|
||
}
|
||
this.popup?.forceHide();
|
||
}
|
||
getElementsToTriggerPopup() {
|
||
return this.container;
|
||
}
|
||
addHighlightArea() {
|
||
const triggers = this.getElementsToTriggerPopup();
|
||
if (Array.isArray(triggers)) {
|
||
for (const element of triggers) {
|
||
element.classList.add("highlightArea");
|
||
}
|
||
} else {
|
||
triggers.classList.add("highlightArea");
|
||
}
|
||
}
|
||
_editOnDoubleClick() {
|
||
if (!this._isEditable) {
|
||
return;
|
||
}
|
||
const {
|
||
annotationEditorType: mode,
|
||
data: {
|
||
id: editId
|
||
}
|
||
} = this;
|
||
this.container.addEventListener("dblclick", () => {
|
||
this.linkService.eventBus?.dispatch("switchannotationeditormode", {
|
||
source: this,
|
||
mode,
|
||
editId
|
||
});
|
||
});
|
||
}
|
||
}
|
||
class LinkAnnotationElement extends AnnotationElement {
|
||
constructor(parameters, options = null) {
|
||
super(parameters, {
|
||
isRenderable: true,
|
||
ignoreBorder: !!options?.ignoreBorder,
|
||
createQuadrilaterals: true
|
||
});
|
||
this.isTooltipOnly = parameters.data.isTooltipOnly;
|
||
}
|
||
render() {
|
||
const {
|
||
data,
|
||
linkService
|
||
} = this;
|
||
const link = document.createElement("a");
|
||
link.setAttribute("data-element-id", data.id);
|
||
let isBound = false;
|
||
if (data.url) {
|
||
linkService.addLinkAttributes(link, data.url, data.newWindow);
|
||
isBound = true;
|
||
} else if (data.action) {
|
||
this._bindNamedAction(link, data.action);
|
||
isBound = true;
|
||
} else if (data.attachment) {
|
||
this.#bindAttachment(link, data.attachment, data.attachmentDest);
|
||
isBound = true;
|
||
} else if (data.setOCGState) {
|
||
this.#bindSetOCGState(link, data.setOCGState);
|
||
isBound = true;
|
||
} else if (data.dest) {
|
||
this._bindLink(link, data.dest);
|
||
isBound = true;
|
||
} else {
|
||
if (data.actions && (data.actions.Action || data.actions["Mouse Up"] || data.actions["Mouse Down"]) && this.enableScripting && this.hasJSActions) {
|
||
this._bindJSAction(link, data);
|
||
isBound = true;
|
||
}
|
||
if (data.resetForm) {
|
||
this._bindResetFormAction(link, data.resetForm);
|
||
isBound = true;
|
||
} else if (this.isTooltipOnly && !isBound) {
|
||
this._bindLink(link, "");
|
||
isBound = true;
|
||
}
|
||
}
|
||
this.container.classList.add("linkAnnotation");
|
||
if (isBound) {
|
||
this.container.append(link);
|
||
}
|
||
return this.container;
|
||
}
|
||
#setInternalLink() {
|
||
this.container.setAttribute("data-internal-link", "");
|
||
}
|
||
_bindLink(link, destination) {
|
||
link.href = this.linkService.getDestinationHash(destination);
|
||
link.onclick = () => {
|
||
if (destination) {
|
||
this.linkService.goToDestination(destination);
|
||
}
|
||
return false;
|
||
};
|
||
if (destination || destination === "") {
|
||
this.#setInternalLink();
|
||
}
|
||
}
|
||
_bindNamedAction(link, action) {
|
||
link.href = this.linkService.getAnchorUrl("");
|
||
link.onclick = () => {
|
||
this.linkService.executeNamedAction(action);
|
||
return false;
|
||
};
|
||
this.#setInternalLink();
|
||
}
|
||
#bindAttachment(link, attachment, dest = null) {
|
||
link.href = this.linkService.getAnchorUrl("");
|
||
if (attachment.description) {
|
||
link.title = attachment.description;
|
||
}
|
||
link.onclick = () => {
|
||
this.downloadManager?.openOrDownloadData(attachment.content, attachment.filename, dest);
|
||
return false;
|
||
};
|
||
this.#setInternalLink();
|
||
}
|
||
#bindSetOCGState(link, action) {
|
||
link.href = this.linkService.getAnchorUrl("");
|
||
link.onclick = () => {
|
||
this.linkService.executeSetOCGState(action);
|
||
return false;
|
||
};
|
||
this.#setInternalLink();
|
||
}
|
||
_bindJSAction(link, data) {
|
||
link.href = this.linkService.getAnchorUrl("");
|
||
const map = new Map([["Action", "onclick"], ["Mouse Up", "onmouseup"], ["Mouse Down", "onmousedown"]]);
|
||
for (const name of Object.keys(data.actions)) {
|
||
const jsName = map.get(name);
|
||
if (!jsName) {
|
||
continue;
|
||
}
|
||
link[jsName] = () => {
|
||
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
||
source: this,
|
||
detail: {
|
||
id: data.id,
|
||
name
|
||
}
|
||
});
|
||
return false;
|
||
};
|
||
}
|
||
if (!link.onclick) {
|
||
link.onclick = () => false;
|
||
}
|
||
this.#setInternalLink();
|
||
}
|
||
_bindResetFormAction(link, resetForm) {
|
||
const otherClickAction = link.onclick;
|
||
if (!otherClickAction) {
|
||
link.href = this.linkService.getAnchorUrl("");
|
||
}
|
||
this.#setInternalLink();
|
||
if (!this._fieldObjects) {
|
||
warn(`_bindResetFormAction - "resetForm" action not supported, ` + "ensure that the `fieldObjects` parameter is provided.");
|
||
if (!otherClickAction) {
|
||
link.onclick = () => false;
|
||
}
|
||
return;
|
||
}
|
||
link.onclick = () => {
|
||
otherClickAction?.();
|
||
const {
|
||
fields: resetFormFields,
|
||
refs: resetFormRefs,
|
||
include
|
||
} = resetForm;
|
||
const allFields = [];
|
||
if (resetFormFields.length !== 0 || resetFormRefs.length !== 0) {
|
||
const fieldIds = new Set(resetFormRefs);
|
||
for (const fieldName of resetFormFields) {
|
||
const fields = this._fieldObjects[fieldName] || [];
|
||
for (const {
|
||
id
|
||
} of fields) {
|
||
fieldIds.add(id);
|
||
}
|
||
}
|
||
for (const fields of Object.values(this._fieldObjects)) {
|
||
for (const field of fields) {
|
||
if (fieldIds.has(field.id) === include) {
|
||
allFields.push(field);
|
||
}
|
||
}
|
||
}
|
||
} else {
|
||
for (const fields of Object.values(this._fieldObjects)) {
|
||
allFields.push(...fields);
|
||
}
|
||
}
|
||
const storage = this.annotationStorage;
|
||
const allIds = [];
|
||
for (const field of allFields) {
|
||
const {
|
||
id
|
||
} = field;
|
||
allIds.push(id);
|
||
switch (field.type) {
|
||
case "text":
|
||
{
|
||
const value = field.defaultValue || "";
|
||
storage.setValue(id, {
|
||
value
|
||
});
|
||
break;
|
||
}
|
||
case "checkbox":
|
||
case "radiobutton":
|
||
{
|
||
const value = field.defaultValue === field.exportValues;
|
||
storage.setValue(id, {
|
||
value
|
||
});
|
||
break;
|
||
}
|
||
case "combobox":
|
||
case "listbox":
|
||
{
|
||
const value = field.defaultValue || "";
|
||
storage.setValue(id, {
|
||
value
|
||
});
|
||
break;
|
||
}
|
||
default:
|
||
continue;
|
||
}
|
||
const domElement = document.querySelector(`[data-element-id="${id}"]`);
|
||
if (!domElement) {
|
||
continue;
|
||
} else if (!GetElementsByNameSet.has(domElement)) {
|
||
warn(`_bindResetFormAction - element not allowed: ${id}`);
|
||
continue;
|
||
}
|
||
domElement.dispatchEvent(new Event("resetform"));
|
||
}
|
||
if (this.enableScripting) {
|
||
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
||
source: this,
|
||
detail: {
|
||
id: "app",
|
||
ids: allIds,
|
||
name: "ResetForm"
|
||
}
|
||
});
|
||
}
|
||
return false;
|
||
};
|
||
}
|
||
}
|
||
class TextAnnotationElement extends AnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true
|
||
});
|
||
}
|
||
render() {
|
||
this.container.classList.add("textAnnotation");
|
||
const image = document.createElement("img");
|
||
image.src = this.imageResourcesPath + "annotation-" + this.data.name.toLowerCase() + ".svg";
|
||
image.setAttribute("data-l10n-id", "pdfjs-text-annotation-type");
|
||
image.setAttribute("data-l10n-args", JSON.stringify({
|
||
type: this.data.name
|
||
}));
|
||
if (!this.data.popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
}
|
||
this.container.append(image);
|
||
return this.container;
|
||
}
|
||
}
|
||
class WidgetAnnotationElement extends AnnotationElement {
|
||
render() {
|
||
return this.container;
|
||
}
|
||
showElementAndHideCanvas(element) {
|
||
if (this.data.hasOwnCanvas) {
|
||
if (element.previousSibling?.nodeName === "CANVAS") {
|
||
element.previousSibling.hidden = true;
|
||
}
|
||
element.hidden = false;
|
||
}
|
||
}
|
||
_getKeyModifier(event) {
|
||
return util_FeatureTest.platform.isMac ? event.metaKey : event.ctrlKey;
|
||
}
|
||
_setEventListener(element, elementData, baseName, eventName, valueGetter) {
|
||
if (baseName.includes("mouse")) {
|
||
element.addEventListener(baseName, event => {
|
||
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
||
source: this,
|
||
detail: {
|
||
id: this.data.id,
|
||
name: eventName,
|
||
value: valueGetter(event),
|
||
shift: event.shiftKey,
|
||
modifier: this._getKeyModifier(event)
|
||
}
|
||
});
|
||
});
|
||
} else {
|
||
element.addEventListener(baseName, event => {
|
||
if (baseName === "blur") {
|
||
if (!elementData.focused || !event.relatedTarget) {
|
||
return;
|
||
}
|
||
elementData.focused = false;
|
||
} else if (baseName === "focus") {
|
||
if (elementData.focused) {
|
||
return;
|
||
}
|
||
elementData.focused = true;
|
||
}
|
||
if (!valueGetter) {
|
||
return;
|
||
}
|
||
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
||
source: this,
|
||
detail: {
|
||
id: this.data.id,
|
||
name: eventName,
|
||
value: valueGetter(event)
|
||
}
|
||
});
|
||
});
|
||
}
|
||
}
|
||
_setEventListeners(element, elementData, names, getter) {
|
||
for (const [baseName, eventName] of names) {
|
||
if (eventName === "Action" || this.data.actions?.[eventName]) {
|
||
if (eventName === "Focus" || eventName === "Blur") {
|
||
elementData ||= {
|
||
focused: false
|
||
};
|
||
}
|
||
this._setEventListener(element, elementData, baseName, eventName, getter);
|
||
if (eventName === "Focus" && !this.data.actions?.Blur) {
|
||
this._setEventListener(element, elementData, "blur", "Blur", null);
|
||
} else if (eventName === "Blur" && !this.data.actions?.Focus) {
|
||
this._setEventListener(element, elementData, "focus", "Focus", null);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
_setBackgroundColor(element) {
|
||
const color = this.data.backgroundColor || null;
|
||
element.style.backgroundColor = color === null ? "transparent" : Util.makeHexColor(color[0], color[1], color[2]);
|
||
}
|
||
_setTextStyle(element) {
|
||
const TEXT_ALIGNMENT = ["left", "center", "right"];
|
||
const {
|
||
fontColor
|
||
} = this.data.defaultAppearanceData;
|
||
const fontSize = this.data.defaultAppearanceData.fontSize || annotation_layer_DEFAULT_FONT_SIZE;
|
||
const style = element.style;
|
||
let computedFontSize;
|
||
const BORDER_SIZE = 2;
|
||
const roundToOneDecimal = x => Math.round(10 * x) / 10;
|
||
if (this.data.multiLine) {
|
||
const height = Math.abs(this.data.rect[3] - this.data.rect[1] - BORDER_SIZE);
|
||
const numberOfLines = Math.round(height / (LINE_FACTOR * fontSize)) || 1;
|
||
const lineHeight = height / numberOfLines;
|
||
computedFontSize = Math.min(fontSize, roundToOneDecimal(lineHeight / LINE_FACTOR));
|
||
} else {
|
||
const height = Math.abs(this.data.rect[3] - this.data.rect[1] - BORDER_SIZE);
|
||
computedFontSize = Math.min(fontSize, roundToOneDecimal(height / LINE_FACTOR));
|
||
}
|
||
style.fontSize = `calc(${computedFontSize}px * var(--scale-factor))`;
|
||
style.color = Util.makeHexColor(fontColor[0], fontColor[1], fontColor[2]);
|
||
if (this.data.textAlignment !== null) {
|
||
style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
|
||
}
|
||
}
|
||
_setRequired(element, isRequired) {
|
||
if (isRequired) {
|
||
element.setAttribute("required", true);
|
||
} else {
|
||
element.removeAttribute("required");
|
||
}
|
||
element.setAttribute("aria-required", isRequired);
|
||
}
|
||
}
|
||
class TextWidgetAnnotationElement extends WidgetAnnotationElement {
|
||
constructor(parameters) {
|
||
const isRenderable = parameters.renderForms || parameters.data.hasOwnCanvas || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
|
||
super(parameters, {
|
||
isRenderable
|
||
});
|
||
}
|
||
setPropertyOnSiblings(base, key, value, keyInStorage) {
|
||
const storage = this.annotationStorage;
|
||
for (const element of this._getElementsByName(base.name, base.id)) {
|
||
if (element.domElement) {
|
||
element.domElement[key] = value;
|
||
}
|
||
storage.setValue(element.id, {
|
||
[keyInStorage]: value
|
||
});
|
||
}
|
||
}
|
||
render() {
|
||
const storage = this.annotationStorage;
|
||
const id = this.data.id;
|
||
this.container.classList.add("textWidgetAnnotation");
|
||
let element = null;
|
||
if (this.renderForms) {
|
||
const storedData = storage.getValue(id, {
|
||
value: this.data.fieldValue
|
||
});
|
||
let textContent = storedData.value || "";
|
||
const maxLen = storage.getValue(id, {
|
||
charLimit: this.data.maxLen
|
||
}).charLimit;
|
||
if (maxLen && textContent.length > maxLen) {
|
||
textContent = textContent.slice(0, maxLen);
|
||
}
|
||
let fieldFormattedValues = storedData.formattedValue || this.data.textContent?.join("\n") || null;
|
||
if (fieldFormattedValues && this.data.comb) {
|
||
fieldFormattedValues = fieldFormattedValues.replaceAll(/\s+/g, "");
|
||
}
|
||
const elementData = {
|
||
userValue: textContent,
|
||
formattedValue: fieldFormattedValues,
|
||
lastCommittedValue: null,
|
||
commitKey: 1,
|
||
focused: false
|
||
};
|
||
if (this.data.multiLine) {
|
||
element = document.createElement("textarea");
|
||
element.textContent = fieldFormattedValues ?? textContent;
|
||
if (this.data.doNotScroll) {
|
||
element.style.overflowY = "hidden";
|
||
}
|
||
} else {
|
||
element = document.createElement("input");
|
||
element.type = "text";
|
||
element.setAttribute("value", fieldFormattedValues ?? textContent);
|
||
if (this.data.doNotScroll) {
|
||
element.style.overflowX = "hidden";
|
||
}
|
||
}
|
||
if (this.data.hasOwnCanvas) {
|
||
element.hidden = true;
|
||
}
|
||
GetElementsByNameSet.add(element);
|
||
element.setAttribute("data-element-id", id);
|
||
element.disabled = this.data.readOnly;
|
||
element.name = this.data.fieldName;
|
||
element.tabIndex = DEFAULT_TAB_INDEX;
|
||
this._setRequired(element, this.data.required);
|
||
if (maxLen) {
|
||
element.maxLength = maxLen;
|
||
}
|
||
element.addEventListener("input", event => {
|
||
storage.setValue(id, {
|
||
value: event.target.value
|
||
});
|
||
this.setPropertyOnSiblings(element, "value", event.target.value, "value");
|
||
elementData.formattedValue = null;
|
||
});
|
||
element.addEventListener("resetform", event => {
|
||
const defaultValue = this.data.defaultFieldValue ?? "";
|
||
element.value = elementData.userValue = defaultValue;
|
||
elementData.formattedValue = null;
|
||
});
|
||
let blurListener = event => {
|
||
const {
|
||
formattedValue
|
||
} = elementData;
|
||
if (formattedValue !== null && formattedValue !== undefined) {
|
||
event.target.value = formattedValue;
|
||
}
|
||
event.target.scrollLeft = 0;
|
||
};
|
||
if (this.enableScripting && this.hasJSActions) {
|
||
element.addEventListener("focus", event => {
|
||
if (elementData.focused) {
|
||
return;
|
||
}
|
||
const {
|
||
target
|
||
} = event;
|
||
if (elementData.userValue) {
|
||
target.value = elementData.userValue;
|
||
}
|
||
elementData.lastCommittedValue = target.value;
|
||
elementData.commitKey = 1;
|
||
if (!this.data.actions?.Focus) {
|
||
elementData.focused = true;
|
||
}
|
||
});
|
||
element.addEventListener("updatefromsandbox", jsEvent => {
|
||
this.showElementAndHideCanvas(jsEvent.target);
|
||
const actions = {
|
||
value(event) {
|
||
elementData.userValue = event.detail.value ?? "";
|
||
storage.setValue(id, {
|
||
value: elementData.userValue.toString()
|
||
});
|
||
event.target.value = elementData.userValue;
|
||
},
|
||
formattedValue(event) {
|
||
const {
|
||
formattedValue
|
||
} = event.detail;
|
||
elementData.formattedValue = formattedValue;
|
||
if (formattedValue !== null && formattedValue !== undefined && event.target !== document.activeElement) {
|
||
event.target.value = formattedValue;
|
||
}
|
||
storage.setValue(id, {
|
||
formattedValue
|
||
});
|
||
},
|
||
selRange(event) {
|
||
event.target.setSelectionRange(...event.detail.selRange);
|
||
},
|
||
charLimit: event => {
|
||
const {
|
||
charLimit
|
||
} = event.detail;
|
||
const {
|
||
target
|
||
} = event;
|
||
if (charLimit === 0) {
|
||
target.removeAttribute("maxLength");
|
||
return;
|
||
}
|
||
target.setAttribute("maxLength", charLimit);
|
||
let value = elementData.userValue;
|
||
if (!value || value.length <= charLimit) {
|
||
return;
|
||
}
|
||
value = value.slice(0, charLimit);
|
||
target.value = elementData.userValue = value;
|
||
storage.setValue(id, {
|
||
value
|
||
});
|
||
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
||
source: this,
|
||
detail: {
|
||
id,
|
||
name: "Keystroke",
|
||
value,
|
||
willCommit: true,
|
||
commitKey: 1,
|
||
selStart: target.selectionStart,
|
||
selEnd: target.selectionEnd
|
||
}
|
||
});
|
||
}
|
||
};
|
||
this._dispatchEventFromSandbox(actions, jsEvent);
|
||
});
|
||
element.addEventListener("keydown", event => {
|
||
elementData.commitKey = 1;
|
||
let commitKey = -1;
|
||
if (event.key === "Escape") {
|
||
commitKey = 0;
|
||
} else if (event.key === "Enter" && !this.data.multiLine) {
|
||
commitKey = 2;
|
||
} else if (event.key === "Tab") {
|
||
elementData.commitKey = 3;
|
||
}
|
||
if (commitKey === -1) {
|
||
return;
|
||
}
|
||
const {
|
||
value
|
||
} = event.target;
|
||
if (elementData.lastCommittedValue === value) {
|
||
return;
|
||
}
|
||
elementData.lastCommittedValue = value;
|
||
elementData.userValue = value;
|
||
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
||
source: this,
|
||
detail: {
|
||
id,
|
||
name: "Keystroke",
|
||
value,
|
||
willCommit: true,
|
||
commitKey,
|
||
selStart: event.target.selectionStart,
|
||
selEnd: event.target.selectionEnd
|
||
}
|
||
});
|
||
});
|
||
const _blurListener = blurListener;
|
||
blurListener = null;
|
||
element.addEventListener("blur", event => {
|
||
if (!elementData.focused || !event.relatedTarget) {
|
||
return;
|
||
}
|
||
if (!this.data.actions?.Blur) {
|
||
elementData.focused = false;
|
||
}
|
||
const {
|
||
value
|
||
} = event.target;
|
||
elementData.userValue = value;
|
||
if (elementData.lastCommittedValue !== value) {
|
||
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
||
source: this,
|
||
detail: {
|
||
id,
|
||
name: "Keystroke",
|
||
value,
|
||
willCommit: true,
|
||
commitKey: elementData.commitKey,
|
||
selStart: event.target.selectionStart,
|
||
selEnd: event.target.selectionEnd
|
||
}
|
||
});
|
||
}
|
||
_blurListener(event);
|
||
});
|
||
if (this.data.actions?.Keystroke) {
|
||
element.addEventListener("beforeinput", event => {
|
||
elementData.lastCommittedValue = null;
|
||
const {
|
||
data,
|
||
target
|
||
} = event;
|
||
const {
|
||
value,
|
||
selectionStart,
|
||
selectionEnd
|
||
} = target;
|
||
let selStart = selectionStart,
|
||
selEnd = selectionEnd;
|
||
switch (event.inputType) {
|
||
case "deleteWordBackward":
|
||
{
|
||
const match = value.substring(0, selectionStart).match(/\w*[^\w]*$/);
|
||
if (match) {
|
||
selStart -= match[0].length;
|
||
}
|
||
break;
|
||
}
|
||
case "deleteWordForward":
|
||
{
|
||
const match = value.substring(selectionStart).match(/^[^\w]*\w*/);
|
||
if (match) {
|
||
selEnd += match[0].length;
|
||
}
|
||
break;
|
||
}
|
||
case "deleteContentBackward":
|
||
if (selectionStart === selectionEnd) {
|
||
selStart -= 1;
|
||
}
|
||
break;
|
||
case "deleteContentForward":
|
||
if (selectionStart === selectionEnd) {
|
||
selEnd += 1;
|
||
}
|
||
break;
|
||
}
|
||
event.preventDefault();
|
||
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
||
source: this,
|
||
detail: {
|
||
id,
|
||
name: "Keystroke",
|
||
value,
|
||
change: data || "",
|
||
willCommit: false,
|
||
selStart,
|
||
selEnd
|
||
}
|
||
});
|
||
});
|
||
}
|
||
this._setEventListeners(element, elementData, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.value);
|
||
}
|
||
if (blurListener) {
|
||
element.addEventListener("blur", blurListener);
|
||
}
|
||
if (this.data.comb) {
|
||
const fieldWidth = this.data.rect[2] - this.data.rect[0];
|
||
const combWidth = fieldWidth / maxLen;
|
||
element.classList.add("comb");
|
||
element.style.letterSpacing = `calc(${combWidth}px * var(--scale-factor) - 1ch)`;
|
||
}
|
||
} else {
|
||
element = document.createElement("div");
|
||
element.textContent = this.data.fieldValue;
|
||
element.style.verticalAlign = "middle";
|
||
element.style.display = "table-cell";
|
||
if (this.data.hasOwnCanvas) {
|
||
element.hidden = true;
|
||
}
|
||
}
|
||
this._setTextStyle(element);
|
||
this._setBackgroundColor(element);
|
||
this._setDefaultPropertiesFromJS(element);
|
||
this.container.append(element);
|
||
return this.container;
|
||
}
|
||
}
|
||
class SignatureWidgetAnnotationElement extends WidgetAnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: !!parameters.data.hasOwnCanvas
|
||
});
|
||
}
|
||
}
|
||
class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: parameters.renderForms
|
||
});
|
||
}
|
||
render() {
|
||
const storage = this.annotationStorage;
|
||
const data = this.data;
|
||
const id = data.id;
|
||
let value = storage.getValue(id, {
|
||
value: data.exportValue === data.fieldValue
|
||
}).value;
|
||
if (typeof value === "string") {
|
||
value = value !== "Off";
|
||
storage.setValue(id, {
|
||
value
|
||
});
|
||
}
|
||
this.container.classList.add("buttonWidgetAnnotation", "checkBox");
|
||
const element = document.createElement("input");
|
||
GetElementsByNameSet.add(element);
|
||
element.setAttribute("data-element-id", id);
|
||
element.disabled = data.readOnly;
|
||
this._setRequired(element, this.data.required);
|
||
element.type = "checkbox";
|
||
element.name = data.fieldName;
|
||
if (value) {
|
||
element.setAttribute("checked", true);
|
||
}
|
||
element.setAttribute("exportValue", data.exportValue);
|
||
element.tabIndex = DEFAULT_TAB_INDEX;
|
||
element.addEventListener("change", event => {
|
||
const {
|
||
name,
|
||
checked
|
||
} = event.target;
|
||
for (const checkbox of this._getElementsByName(name, id)) {
|
||
const curChecked = checked && checkbox.exportValue === data.exportValue;
|
||
if (checkbox.domElement) {
|
||
checkbox.domElement.checked = curChecked;
|
||
}
|
||
storage.setValue(checkbox.id, {
|
||
value: curChecked
|
||
});
|
||
}
|
||
storage.setValue(id, {
|
||
value: checked
|
||
});
|
||
});
|
||
element.addEventListener("resetform", event => {
|
||
const defaultValue = data.defaultFieldValue || "Off";
|
||
event.target.checked = defaultValue === data.exportValue;
|
||
});
|
||
if (this.enableScripting && this.hasJSActions) {
|
||
element.addEventListener("updatefromsandbox", jsEvent => {
|
||
const actions = {
|
||
value(event) {
|
||
event.target.checked = event.detail.value !== "Off";
|
||
storage.setValue(id, {
|
||
value: event.target.checked
|
||
});
|
||
}
|
||
};
|
||
this._dispatchEventFromSandbox(actions, jsEvent);
|
||
});
|
||
this._setEventListeners(element, null, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked);
|
||
}
|
||
this._setBackgroundColor(element);
|
||
this._setDefaultPropertiesFromJS(element);
|
||
this.container.append(element);
|
||
return this.container;
|
||
}
|
||
}
|
||
class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: parameters.renderForms
|
||
});
|
||
}
|
||
render() {
|
||
this.container.classList.add("buttonWidgetAnnotation", "radioButton");
|
||
const storage = this.annotationStorage;
|
||
const data = this.data;
|
||
const id = data.id;
|
||
let value = storage.getValue(id, {
|
||
value: data.fieldValue === data.buttonValue
|
||
}).value;
|
||
if (typeof value === "string") {
|
||
value = value !== data.buttonValue;
|
||
storage.setValue(id, {
|
||
value
|
||
});
|
||
}
|
||
if (value) {
|
||
for (const radio of this._getElementsByName(data.fieldName, id)) {
|
||
storage.setValue(radio.id, {
|
||
value: false
|
||
});
|
||
}
|
||
}
|
||
const element = document.createElement("input");
|
||
GetElementsByNameSet.add(element);
|
||
element.setAttribute("data-element-id", id);
|
||
element.disabled = data.readOnly;
|
||
this._setRequired(element, this.data.required);
|
||
element.type = "radio";
|
||
element.name = data.fieldName;
|
||
if (value) {
|
||
element.setAttribute("checked", true);
|
||
}
|
||
element.tabIndex = DEFAULT_TAB_INDEX;
|
||
element.addEventListener("change", event => {
|
||
const {
|
||
name,
|
||
checked
|
||
} = event.target;
|
||
for (const radio of this._getElementsByName(name, id)) {
|
||
storage.setValue(radio.id, {
|
||
value: false
|
||
});
|
||
}
|
||
storage.setValue(id, {
|
||
value: checked
|
||
});
|
||
});
|
||
element.addEventListener("resetform", event => {
|
||
const defaultValue = data.defaultFieldValue;
|
||
event.target.checked = defaultValue !== null && defaultValue !== undefined && defaultValue === data.buttonValue;
|
||
});
|
||
if (this.enableScripting && this.hasJSActions) {
|
||
const pdfButtonValue = data.buttonValue;
|
||
element.addEventListener("updatefromsandbox", jsEvent => {
|
||
const actions = {
|
||
value: event => {
|
||
const checked = pdfButtonValue === event.detail.value;
|
||
for (const radio of this._getElementsByName(event.target.name)) {
|
||
const curChecked = checked && radio.id === id;
|
||
if (radio.domElement) {
|
||
radio.domElement.checked = curChecked;
|
||
}
|
||
storage.setValue(radio.id, {
|
||
value: curChecked
|
||
});
|
||
}
|
||
}
|
||
};
|
||
this._dispatchEventFromSandbox(actions, jsEvent);
|
||
});
|
||
this._setEventListeners(element, null, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked);
|
||
}
|
||
this._setBackgroundColor(element);
|
||
this._setDefaultPropertiesFromJS(element);
|
||
this.container.append(element);
|
||
return this.container;
|
||
}
|
||
}
|
||
class PushButtonWidgetAnnotationElement extends LinkAnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
ignoreBorder: parameters.data.hasAppearance
|
||
});
|
||
}
|
||
render() {
|
||
const container = super.render();
|
||
container.classList.add("buttonWidgetAnnotation", "pushButton");
|
||
const linkElement = container.lastChild;
|
||
if (this.enableScripting && this.hasJSActions && linkElement) {
|
||
this._setDefaultPropertiesFromJS(linkElement);
|
||
linkElement.addEventListener("updatefromsandbox", jsEvent => {
|
||
this._dispatchEventFromSandbox({}, jsEvent);
|
||
});
|
||
}
|
||
return container;
|
||
}
|
||
}
|
||
class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: parameters.renderForms
|
||
});
|
||
}
|
||
render() {
|
||
this.container.classList.add("choiceWidgetAnnotation");
|
||
const storage = this.annotationStorage;
|
||
const id = this.data.id;
|
||
const storedData = storage.getValue(id, {
|
||
value: this.data.fieldValue
|
||
});
|
||
const selectElement = document.createElement("select");
|
||
GetElementsByNameSet.add(selectElement);
|
||
selectElement.setAttribute("data-element-id", id);
|
||
selectElement.disabled = this.data.readOnly;
|
||
this._setRequired(selectElement, this.data.required);
|
||
selectElement.name = this.data.fieldName;
|
||
selectElement.tabIndex = DEFAULT_TAB_INDEX;
|
||
let addAnEmptyEntry = this.data.combo && this.data.options.length > 0;
|
||
if (!this.data.combo) {
|
||
selectElement.size = this.data.options.length;
|
||
if (this.data.multiSelect) {
|
||
selectElement.multiple = true;
|
||
}
|
||
}
|
||
selectElement.addEventListener("resetform", event => {
|
||
const defaultValue = this.data.defaultFieldValue;
|
||
for (const option of selectElement.options) {
|
||
option.selected = option.value === defaultValue;
|
||
}
|
||
});
|
||
for (const option of this.data.options) {
|
||
const optionElement = document.createElement("option");
|
||
optionElement.textContent = option.displayValue;
|
||
optionElement.value = option.exportValue;
|
||
if (storedData.value.includes(option.exportValue)) {
|
||
optionElement.setAttribute("selected", true);
|
||
addAnEmptyEntry = false;
|
||
}
|
||
selectElement.append(optionElement);
|
||
}
|
||
let removeEmptyEntry = null;
|
||
if (addAnEmptyEntry) {
|
||
const noneOptionElement = document.createElement("option");
|
||
noneOptionElement.value = " ";
|
||
noneOptionElement.setAttribute("hidden", true);
|
||
noneOptionElement.setAttribute("selected", true);
|
||
selectElement.prepend(noneOptionElement);
|
||
removeEmptyEntry = () => {
|
||
noneOptionElement.remove();
|
||
selectElement.removeEventListener("input", removeEmptyEntry);
|
||
removeEmptyEntry = null;
|
||
};
|
||
selectElement.addEventListener("input", removeEmptyEntry);
|
||
}
|
||
const getValue = isExport => {
|
||
const name = isExport ? "value" : "textContent";
|
||
const {
|
||
options,
|
||
multiple
|
||
} = selectElement;
|
||
if (!multiple) {
|
||
return options.selectedIndex === -1 ? null : options[options.selectedIndex][name];
|
||
}
|
||
return Array.prototype.filter.call(options, option => option.selected).map(option => option[name]);
|
||
};
|
||
let selectedValues = getValue(false);
|
||
const getItems = event => {
|
||
const options = event.target.options;
|
||
return Array.prototype.map.call(options, option => ({
|
||
displayValue: option.textContent,
|
||
exportValue: option.value
|
||
}));
|
||
};
|
||
if (this.enableScripting && this.hasJSActions) {
|
||
selectElement.addEventListener("updatefromsandbox", jsEvent => {
|
||
const actions = {
|
||
value(event) {
|
||
removeEmptyEntry?.();
|
||
const value = event.detail.value;
|
||
const values = new Set(Array.isArray(value) ? value : [value]);
|
||
for (const option of selectElement.options) {
|
||
option.selected = values.has(option.value);
|
||
}
|
||
storage.setValue(id, {
|
||
value: getValue(true)
|
||
});
|
||
selectedValues = getValue(false);
|
||
},
|
||
multipleSelection(event) {
|
||
selectElement.multiple = true;
|
||
},
|
||
remove(event) {
|
||
const options = selectElement.options;
|
||
const index = event.detail.remove;
|
||
options[index].selected = false;
|
||
selectElement.remove(index);
|
||
if (options.length > 0) {
|
||
const i = Array.prototype.findIndex.call(options, option => option.selected);
|
||
if (i === -1) {
|
||
options[0].selected = true;
|
||
}
|
||
}
|
||
storage.setValue(id, {
|
||
value: getValue(true),
|
||
items: getItems(event)
|
||
});
|
||
selectedValues = getValue(false);
|
||
},
|
||
clear(event) {
|
||
while (selectElement.length !== 0) {
|
||
selectElement.remove(0);
|
||
}
|
||
storage.setValue(id, {
|
||
value: null,
|
||
items: []
|
||
});
|
||
selectedValues = getValue(false);
|
||
},
|
||
insert(event) {
|
||
const {
|
||
index,
|
||
displayValue,
|
||
exportValue
|
||
} = event.detail.insert;
|
||
const selectChild = selectElement.children[index];
|
||
const optionElement = document.createElement("option");
|
||
optionElement.textContent = displayValue;
|
||
optionElement.value = exportValue;
|
||
if (selectChild) {
|
||
selectChild.before(optionElement);
|
||
} else {
|
||
selectElement.append(optionElement);
|
||
}
|
||
storage.setValue(id, {
|
||
value: getValue(true),
|
||
items: getItems(event)
|
||
});
|
||
selectedValues = getValue(false);
|
||
},
|
||
items(event) {
|
||
const {
|
||
items
|
||
} = event.detail;
|
||
while (selectElement.length !== 0) {
|
||
selectElement.remove(0);
|
||
}
|
||
for (const item of items) {
|
||
const {
|
||
displayValue,
|
||
exportValue
|
||
} = item;
|
||
const optionElement = document.createElement("option");
|
||
optionElement.textContent = displayValue;
|
||
optionElement.value = exportValue;
|
||
selectElement.append(optionElement);
|
||
}
|
||
if (selectElement.options.length > 0) {
|
||
selectElement.options[0].selected = true;
|
||
}
|
||
storage.setValue(id, {
|
||
value: getValue(true),
|
||
items: getItems(event)
|
||
});
|
||
selectedValues = getValue(false);
|
||
},
|
||
indices(event) {
|
||
const indices = new Set(event.detail.indices);
|
||
for (const option of event.target.options) {
|
||
option.selected = indices.has(option.index);
|
||
}
|
||
storage.setValue(id, {
|
||
value: getValue(true)
|
||
});
|
||
selectedValues = getValue(false);
|
||
},
|
||
editable(event) {
|
||
event.target.disabled = !event.detail.editable;
|
||
}
|
||
};
|
||
this._dispatchEventFromSandbox(actions, jsEvent);
|
||
});
|
||
selectElement.addEventListener("input", event => {
|
||
const exportValue = getValue(true);
|
||
const change = getValue(false);
|
||
storage.setValue(id, {
|
||
value: exportValue
|
||
});
|
||
event.preventDefault();
|
||
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
||
source: this,
|
||
detail: {
|
||
id,
|
||
name: "Keystroke",
|
||
value: selectedValues,
|
||
change,
|
||
changeEx: exportValue,
|
||
willCommit: false,
|
||
commitKey: 1,
|
||
keyDown: false
|
||
}
|
||
});
|
||
});
|
||
this._setEventListeners(selectElement, null, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"], ["input", "Action"], ["input", "Validate"]], event => event.target.value);
|
||
} else {
|
||
selectElement.addEventListener("input", function (event) {
|
||
storage.setValue(id, {
|
||
value: getValue(true)
|
||
});
|
||
});
|
||
}
|
||
if (this.data.combo) {
|
||
this._setTextStyle(selectElement);
|
||
} else {}
|
||
this._setBackgroundColor(selectElement);
|
||
this._setDefaultPropertiesFromJS(selectElement);
|
||
this.container.append(selectElement);
|
||
return this.container;
|
||
}
|
||
}
|
||
class PopupAnnotationElement extends AnnotationElement {
|
||
constructor(parameters) {
|
||
const {
|
||
data,
|
||
elements
|
||
} = parameters;
|
||
super(parameters, {
|
||
isRenderable: AnnotationElement._hasPopupData(data)
|
||
});
|
||
this.elements = elements;
|
||
this.popup = null;
|
||
}
|
||
render() {
|
||
this.container.classList.add("popupAnnotation");
|
||
const popup = this.popup = new PopupElement({
|
||
container: this.container,
|
||
color: this.data.color,
|
||
titleObj: this.data.titleObj,
|
||
modificationDate: this.data.modificationDate,
|
||
contentsObj: this.data.contentsObj,
|
||
richText: this.data.richText,
|
||
rect: this.data.rect,
|
||
parentRect: this.data.parentRect || null,
|
||
parent: this.parent,
|
||
elements: this.elements,
|
||
open: this.data.open
|
||
});
|
||
const elementIds = [];
|
||
for (const element of this.elements) {
|
||
element.popup = popup;
|
||
element.container.ariaHasPopup = "dialog";
|
||
elementIds.push(element.data.id);
|
||
element.addHighlightArea();
|
||
}
|
||
this.container.setAttribute("aria-controls", elementIds.map(id => `${AnnotationPrefix}${id}`).join(","));
|
||
return this.container;
|
||
}
|
||
}
|
||
class PopupElement {
|
||
#boundKeyDown = this.#keyDown.bind(this);
|
||
#boundHide = this.#hide.bind(this);
|
||
#boundShow = this.#show.bind(this);
|
||
#boundToggle = this.#toggle.bind(this);
|
||
#color = null;
|
||
#container = null;
|
||
#contentsObj = null;
|
||
#dateObj = null;
|
||
#elements = null;
|
||
#parent = null;
|
||
#parentRect = null;
|
||
#pinned = false;
|
||
#popup = null;
|
||
#position = null;
|
||
#rect = null;
|
||
#richText = null;
|
||
#titleObj = null;
|
||
#updates = null;
|
||
#wasVisible = false;
|
||
constructor({
|
||
container,
|
||
color,
|
||
elements,
|
||
titleObj,
|
||
modificationDate,
|
||
contentsObj,
|
||
richText,
|
||
parent,
|
||
rect,
|
||
parentRect,
|
||
open
|
||
}) {
|
||
this.#container = container;
|
||
this.#titleObj = titleObj;
|
||
this.#contentsObj = contentsObj;
|
||
this.#richText = richText;
|
||
this.#parent = parent;
|
||
this.#color = color;
|
||
this.#rect = rect;
|
||
this.#parentRect = parentRect;
|
||
this.#elements = elements;
|
||
this.#dateObj = PDFDateString.toDateObject(modificationDate);
|
||
this.trigger = elements.flatMap(e => e.getElementsToTriggerPopup());
|
||
for (const element of this.trigger) {
|
||
element.addEventListener("click", this.#boundToggle);
|
||
element.addEventListener("mouseenter", this.#boundShow);
|
||
element.addEventListener("mouseleave", this.#boundHide);
|
||
element.classList.add("popupTriggerArea");
|
||
}
|
||
for (const element of elements) {
|
||
element.container?.addEventListener("keydown", this.#boundKeyDown);
|
||
}
|
||
this.#container.hidden = true;
|
||
if (open) {
|
||
this.#toggle();
|
||
}
|
||
}
|
||
render() {
|
||
if (this.#popup) {
|
||
return;
|
||
}
|
||
const popup = this.#popup = document.createElement("div");
|
||
popup.className = "popup";
|
||
if (this.#color) {
|
||
const baseColor = popup.style.outlineColor = Util.makeHexColor(...this.#color);
|
||
if (CSS.supports("background-color", "color-mix(in srgb, red 30%, white)")) {
|
||
popup.style.backgroundColor = `color-mix(in srgb, ${baseColor} 30%, white)`;
|
||
} else {
|
||
const BACKGROUND_ENLIGHT = 0.7;
|
||
popup.style.backgroundColor = Util.makeHexColor(...this.#color.map(c => Math.floor(BACKGROUND_ENLIGHT * (255 - c) + c)));
|
||
}
|
||
}
|
||
const header = document.createElement("span");
|
||
header.className = "header";
|
||
const title = document.createElement("h1");
|
||
header.append(title);
|
||
({
|
||
dir: title.dir,
|
||
str: title.textContent
|
||
} = this.#titleObj);
|
||
popup.append(header);
|
||
if (this.#dateObj) {
|
||
const modificationDate = document.createElement("span");
|
||
modificationDate.classList.add("popupDate");
|
||
modificationDate.setAttribute("data-l10n-id", "pdfjs-annotation-date-time-string");
|
||
modificationDate.setAttribute("data-l10n-args", JSON.stringify({
|
||
dateObj: this.#dateObj.valueOf()
|
||
}));
|
||
header.append(modificationDate);
|
||
}
|
||
const html = this.#html;
|
||
if (html) {
|
||
XfaLayer.render({
|
||
xfaHtml: html,
|
||
intent: "richText",
|
||
div: popup
|
||
});
|
||
popup.lastChild.classList.add("richText", "popupContent");
|
||
} else {
|
||
const contents = this._formatContents(this.#contentsObj);
|
||
popup.append(contents);
|
||
}
|
||
this.#container.append(popup);
|
||
}
|
||
get #html() {
|
||
const richText = this.#richText;
|
||
const contentsObj = this.#contentsObj;
|
||
if (richText?.str && (!contentsObj?.str || contentsObj.str === richText.str)) {
|
||
return this.#richText.html || null;
|
||
}
|
||
return null;
|
||
}
|
||
get #fontSize() {
|
||
return this.#html?.attributes?.style?.fontSize || 0;
|
||
}
|
||
get #fontColor() {
|
||
return this.#html?.attributes?.style?.color || null;
|
||
}
|
||
#makePopupContent(text) {
|
||
const popupLines = [];
|
||
const popupContent = {
|
||
str: text,
|
||
html: {
|
||
name: "div",
|
||
attributes: {
|
||
dir: "auto"
|
||
},
|
||
children: [{
|
||
name: "p",
|
||
children: popupLines
|
||
}]
|
||
}
|
||
};
|
||
const lineAttributes = {
|
||
style: {
|
||
color: this.#fontColor,
|
||
fontSize: this.#fontSize ? `calc(${this.#fontSize}px * var(--scale-factor))` : ""
|
||
}
|
||
};
|
||
for (const line of text.split("\n")) {
|
||
popupLines.push({
|
||
name: "span",
|
||
value: line,
|
||
attributes: lineAttributes
|
||
});
|
||
}
|
||
return popupContent;
|
||
}
|
||
_formatContents({
|
||
str,
|
||
dir
|
||
}) {
|
||
const p = document.createElement("p");
|
||
p.classList.add("popupContent");
|
||
p.dir = dir;
|
||
const lines = str.split(/(?:\r\n?|\n)/);
|
||
for (let i = 0, ii = lines.length; i < ii; ++i) {
|
||
const line = lines[i];
|
||
p.append(document.createTextNode(line));
|
||
if (i < ii - 1) {
|
||
p.append(document.createElement("br"));
|
||
}
|
||
}
|
||
return p;
|
||
}
|
||
#keyDown(event) {
|
||
if (event.altKey || event.shiftKey || event.ctrlKey || event.metaKey) {
|
||
return;
|
||
}
|
||
if (event.key === "Enter" || event.key === "Escape" && this.#pinned) {
|
||
this.#toggle();
|
||
}
|
||
}
|
||
updateEdited({
|
||
rect,
|
||
popupContent
|
||
}) {
|
||
this.#updates ||= {
|
||
contentsObj: this.#contentsObj,
|
||
richText: this.#richText
|
||
};
|
||
if (rect) {
|
||
this.#position = null;
|
||
}
|
||
if (popupContent) {
|
||
this.#richText = this.#makePopupContent(popupContent);
|
||
this.#contentsObj = null;
|
||
}
|
||
this.#popup?.remove();
|
||
this.#popup = null;
|
||
}
|
||
resetEdited() {
|
||
if (!this.#updates) {
|
||
return;
|
||
}
|
||
({
|
||
contentsObj: this.#contentsObj,
|
||
richText: this.#richText
|
||
} = this.#updates);
|
||
this.#updates = null;
|
||
this.#popup?.remove();
|
||
this.#popup = null;
|
||
this.#position = null;
|
||
}
|
||
#setPosition() {
|
||
if (this.#position !== null) {
|
||
return;
|
||
}
|
||
const {
|
||
page: {
|
||
view
|
||
},
|
||
viewport: {
|
||
rawDims: {
|
||
pageWidth,
|
||
pageHeight,
|
||
pageX,
|
||
pageY
|
||
}
|
||
}
|
||
} = this.#parent;
|
||
let useParentRect = !!this.#parentRect;
|
||
let rect = useParentRect ? this.#parentRect : this.#rect;
|
||
for (const element of this.#elements) {
|
||
if (!rect || Util.intersect(element.data.rect, rect) !== null) {
|
||
rect = element.data.rect;
|
||
useParentRect = true;
|
||
break;
|
||
}
|
||
}
|
||
const normalizedRect = Util.normalizeRect([rect[0], view[3] - rect[1] + view[1], rect[2], view[3] - rect[3] + view[1]]);
|
||
const HORIZONTAL_SPACE_AFTER_ANNOTATION = 5;
|
||
const parentWidth = useParentRect ? rect[2] - rect[0] + HORIZONTAL_SPACE_AFTER_ANNOTATION : 0;
|
||
const popupLeft = normalizedRect[0] + parentWidth;
|
||
const popupTop = normalizedRect[1];
|
||
this.#position = [100 * (popupLeft - pageX) / pageWidth, 100 * (popupTop - pageY) / pageHeight];
|
||
const {
|
||
style
|
||
} = this.#container;
|
||
style.left = `${this.#position[0]}%`;
|
||
style.top = `${this.#position[1]}%`;
|
||
}
|
||
#toggle() {
|
||
this.#pinned = !this.#pinned;
|
||
if (this.#pinned) {
|
||
this.#show();
|
||
this.#container.addEventListener("click", this.#boundToggle);
|
||
this.#container.addEventListener("keydown", this.#boundKeyDown);
|
||
} else {
|
||
this.#hide();
|
||
this.#container.removeEventListener("click", this.#boundToggle);
|
||
this.#container.removeEventListener("keydown", this.#boundKeyDown);
|
||
}
|
||
}
|
||
#show() {
|
||
if (!this.#popup) {
|
||
this.render();
|
||
}
|
||
if (!this.isVisible) {
|
||
this.#setPosition();
|
||
this.#container.hidden = false;
|
||
this.#container.style.zIndex = parseInt(this.#container.style.zIndex) + 1000;
|
||
} else if (this.#pinned) {
|
||
this.#container.classList.add("focused");
|
||
}
|
||
}
|
||
#hide() {
|
||
this.#container.classList.remove("focused");
|
||
if (this.#pinned || !this.isVisible) {
|
||
return;
|
||
}
|
||
this.#container.hidden = true;
|
||
this.#container.style.zIndex = parseInt(this.#container.style.zIndex) - 1000;
|
||
}
|
||
forceHide() {
|
||
this.#wasVisible = this.isVisible;
|
||
if (!this.#wasVisible) {
|
||
return;
|
||
}
|
||
this.#container.hidden = true;
|
||
}
|
||
maybeShow() {
|
||
if (!this.#wasVisible) {
|
||
return;
|
||
}
|
||
if (!this.#popup) {
|
||
this.#show();
|
||
}
|
||
this.#wasVisible = false;
|
||
this.#container.hidden = false;
|
||
}
|
||
get isVisible() {
|
||
return this.#container.hidden === false;
|
||
}
|
||
}
|
||
class FreeTextAnnotationElement extends AnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true,
|
||
ignoreBorder: true
|
||
});
|
||
this.textContent = parameters.data.textContent;
|
||
this.textPosition = parameters.data.textPosition;
|
||
this.annotationEditorType = AnnotationEditorType.FREETEXT;
|
||
}
|
||
render() {
|
||
this.container.classList.add("freeTextAnnotation");
|
||
if (this.textContent) {
|
||
const content = document.createElement("div");
|
||
content.classList.add("annotationTextContent");
|
||
content.setAttribute("role", "comment");
|
||
for (const line of this.textContent) {
|
||
const lineSpan = document.createElement("span");
|
||
lineSpan.textContent = line;
|
||
content.append(lineSpan);
|
||
}
|
||
this.container.append(content);
|
||
}
|
||
if (!this.data.popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
}
|
||
this._editOnDoubleClick();
|
||
return this.container;
|
||
}
|
||
}
|
||
class LineAnnotationElement extends AnnotationElement {
|
||
#line = null;
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true,
|
||
ignoreBorder: true
|
||
});
|
||
}
|
||
render() {
|
||
this.container.classList.add("lineAnnotation");
|
||
const data = this.data;
|
||
const {
|
||
width,
|
||
height
|
||
} = getRectDims(data.rect);
|
||
const svg = this.svgFactory.create(width, height, true);
|
||
const line = this.#line = this.svgFactory.createElement("svg:line");
|
||
line.setAttribute("x1", data.rect[2] - data.lineCoordinates[0]);
|
||
line.setAttribute("y1", data.rect[3] - data.lineCoordinates[1]);
|
||
line.setAttribute("x2", data.rect[2] - data.lineCoordinates[2]);
|
||
line.setAttribute("y2", data.rect[3] - data.lineCoordinates[3]);
|
||
line.setAttribute("stroke-width", data.borderStyle.width || 1);
|
||
line.setAttribute("stroke", "transparent");
|
||
line.setAttribute("fill", "transparent");
|
||
svg.append(line);
|
||
this.container.append(svg);
|
||
if (!data.popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
}
|
||
return this.container;
|
||
}
|
||
getElementsToTriggerPopup() {
|
||
return this.#line;
|
||
}
|
||
addHighlightArea() {
|
||
this.container.classList.add("highlightArea");
|
||
}
|
||
}
|
||
class SquareAnnotationElement extends AnnotationElement {
|
||
#square = null;
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true,
|
||
ignoreBorder: true
|
||
});
|
||
}
|
||
render() {
|
||
this.container.classList.add("squareAnnotation");
|
||
const data = this.data;
|
||
const {
|
||
width,
|
||
height
|
||
} = getRectDims(data.rect);
|
||
const svg = this.svgFactory.create(width, height, true);
|
||
const borderWidth = data.borderStyle.width;
|
||
const square = this.#square = this.svgFactory.createElement("svg:rect");
|
||
square.setAttribute("x", borderWidth / 2);
|
||
square.setAttribute("y", borderWidth / 2);
|
||
square.setAttribute("width", width - borderWidth);
|
||
square.setAttribute("height", height - borderWidth);
|
||
square.setAttribute("stroke-width", borderWidth || 1);
|
||
square.setAttribute("stroke", "transparent");
|
||
square.setAttribute("fill", "transparent");
|
||
svg.append(square);
|
||
this.container.append(svg);
|
||
if (!data.popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
}
|
||
return this.container;
|
||
}
|
||
getElementsToTriggerPopup() {
|
||
return this.#square;
|
||
}
|
||
addHighlightArea() {
|
||
this.container.classList.add("highlightArea");
|
||
}
|
||
}
|
||
class CircleAnnotationElement extends AnnotationElement {
|
||
#circle = null;
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true,
|
||
ignoreBorder: true
|
||
});
|
||
}
|
||
render() {
|
||
this.container.classList.add("circleAnnotation");
|
||
const data = this.data;
|
||
const {
|
||
width,
|
||
height
|
||
} = getRectDims(data.rect);
|
||
const svg = this.svgFactory.create(width, height, true);
|
||
const borderWidth = data.borderStyle.width;
|
||
const circle = this.#circle = this.svgFactory.createElement("svg:ellipse");
|
||
circle.setAttribute("cx", width / 2);
|
||
circle.setAttribute("cy", height / 2);
|
||
circle.setAttribute("rx", width / 2 - borderWidth / 2);
|
||
circle.setAttribute("ry", height / 2 - borderWidth / 2);
|
||
circle.setAttribute("stroke-width", borderWidth || 1);
|
||
circle.setAttribute("stroke", "transparent");
|
||
circle.setAttribute("fill", "transparent");
|
||
svg.append(circle);
|
||
this.container.append(svg);
|
||
if (!data.popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
}
|
||
return this.container;
|
||
}
|
||
getElementsToTriggerPopup() {
|
||
return this.#circle;
|
||
}
|
||
addHighlightArea() {
|
||
this.container.classList.add("highlightArea");
|
||
}
|
||
}
|
||
class PolylineAnnotationElement extends AnnotationElement {
|
||
#polyline = null;
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true,
|
||
ignoreBorder: true
|
||
});
|
||
this.containerClassName = "polylineAnnotation";
|
||
this.svgElementName = "svg:polyline";
|
||
}
|
||
render() {
|
||
this.container.classList.add(this.containerClassName);
|
||
const {
|
||
data: {
|
||
rect,
|
||
vertices,
|
||
borderStyle,
|
||
popupRef
|
||
}
|
||
} = this;
|
||
if (!vertices) {
|
||
return this.container;
|
||
}
|
||
const {
|
||
width,
|
||
height
|
||
} = getRectDims(rect);
|
||
const svg = this.svgFactory.create(width, height, true);
|
||
let points = [];
|
||
for (let i = 0, ii = vertices.length; i < ii; i += 2) {
|
||
const x = vertices[i] - rect[0];
|
||
const y = rect[3] - vertices[i + 1];
|
||
points.push(`${x},${y}`);
|
||
}
|
||
points = points.join(" ");
|
||
const polyline = this.#polyline = this.svgFactory.createElement(this.svgElementName);
|
||
polyline.setAttribute("points", points);
|
||
polyline.setAttribute("stroke-width", borderStyle.width || 1);
|
||
polyline.setAttribute("stroke", "transparent");
|
||
polyline.setAttribute("fill", "transparent");
|
||
svg.append(polyline);
|
||
this.container.append(svg);
|
||
if (!popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
}
|
||
return this.container;
|
||
}
|
||
getElementsToTriggerPopup() {
|
||
return this.#polyline;
|
||
}
|
||
addHighlightArea() {
|
||
this.container.classList.add("highlightArea");
|
||
}
|
||
}
|
||
class PolygonAnnotationElement extends PolylineAnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters);
|
||
this.containerClassName = "polygonAnnotation";
|
||
this.svgElementName = "svg:polygon";
|
||
}
|
||
}
|
||
class CaretAnnotationElement extends AnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true,
|
||
ignoreBorder: true
|
||
});
|
||
}
|
||
render() {
|
||
this.container.classList.add("caretAnnotation");
|
||
if (!this.data.popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
}
|
||
return this.container;
|
||
}
|
||
}
|
||
class InkAnnotationElement extends AnnotationElement {
|
||
#polylinesGroupElement = null;
|
||
#polylines = [];
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true,
|
||
ignoreBorder: true
|
||
});
|
||
this.containerClassName = "inkAnnotation";
|
||
this.svgElementName = "svg:polyline";
|
||
this.annotationEditorType = this.data.it === "InkHighlight" ? AnnotationEditorType.HIGHLIGHT : AnnotationEditorType.INK;
|
||
}
|
||
#getTransform(rotation, rect) {
|
||
switch (rotation) {
|
||
case 90:
|
||
return {
|
||
transform: `rotate(90) translate(${-rect[0]},${rect[1]}) scale(1,-1)`,
|
||
width: rect[3] - rect[1],
|
||
height: rect[2] - rect[0]
|
||
};
|
||
case 180:
|
||
return {
|
||
transform: `rotate(180) translate(${-rect[2]},${rect[1]}) scale(1,-1)`,
|
||
width: rect[2] - rect[0],
|
||
height: rect[3] - rect[1]
|
||
};
|
||
case 270:
|
||
return {
|
||
transform: `rotate(270) translate(${-rect[2]},${rect[3]}) scale(1,-1)`,
|
||
width: rect[3] - rect[1],
|
||
height: rect[2] - rect[0]
|
||
};
|
||
default:
|
||
return {
|
||
transform: `translate(${-rect[0]},${rect[3]}) scale(1,-1)`,
|
||
width: rect[2] - rect[0],
|
||
height: rect[3] - rect[1]
|
||
};
|
||
}
|
||
}
|
||
render() {
|
||
this.container.classList.add(this.containerClassName);
|
||
const {
|
||
data: {
|
||
rect,
|
||
rotation,
|
||
inkLists,
|
||
borderStyle,
|
||
popupRef
|
||
}
|
||
} = this;
|
||
const {
|
||
transform,
|
||
width,
|
||
height
|
||
} = this.#getTransform(rotation, rect);
|
||
const svg = this.svgFactory.create(width, height, true);
|
||
const g = this.#polylinesGroupElement = this.svgFactory.createElement("svg:g");
|
||
svg.append(g);
|
||
g.setAttribute("stroke-width", borderStyle.width || 1);
|
||
g.setAttribute("stroke-linecap", "round");
|
||
g.setAttribute("stroke-linejoin", "round");
|
||
g.setAttribute("stroke-miterlimit", 10);
|
||
g.setAttribute("stroke", "transparent");
|
||
g.setAttribute("fill", "transparent");
|
||
g.setAttribute("transform", transform);
|
||
for (let i = 0, ii = inkLists.length; i < ii; i++) {
|
||
const polyline = this.svgFactory.createElement(this.svgElementName);
|
||
this.#polylines.push(polyline);
|
||
polyline.setAttribute("points", inkLists[i].join(","));
|
||
g.append(polyline);
|
||
}
|
||
if (!popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
}
|
||
this.container.append(svg);
|
||
this._editOnDoubleClick();
|
||
return this.container;
|
||
}
|
||
updateEdited(params) {
|
||
super.updateEdited(params);
|
||
const {
|
||
thickness,
|
||
points,
|
||
rect
|
||
} = params;
|
||
const g = this.#polylinesGroupElement;
|
||
if (thickness >= 0) {
|
||
g.setAttribute("stroke-width", thickness || 1);
|
||
}
|
||
if (points) {
|
||
for (let i = 0, ii = this.#polylines.length; i < ii; i++) {
|
||
this.#polylines[i].setAttribute("points", points[i].join(","));
|
||
}
|
||
}
|
||
if (rect) {
|
||
const {
|
||
transform,
|
||
width,
|
||
height
|
||
} = this.#getTransform(this.data.rotation, rect);
|
||
const root = g.parentElement;
|
||
root.setAttribute("viewBox", `0 0 ${width} ${height}`);
|
||
g.setAttribute("transform", transform);
|
||
}
|
||
}
|
||
getElementsToTriggerPopup() {
|
||
return this.#polylines;
|
||
}
|
||
addHighlightArea() {
|
||
this.container.classList.add("highlightArea");
|
||
}
|
||
}
|
||
class HighlightAnnotationElement extends AnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true,
|
||
ignoreBorder: true,
|
||
createQuadrilaterals: true
|
||
});
|
||
this.annotationEditorType = AnnotationEditorType.HIGHLIGHT;
|
||
}
|
||
render() {
|
||
if (!this.data.popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
}
|
||
this.container.classList.add("highlightAnnotation");
|
||
this._editOnDoubleClick();
|
||
return this.container;
|
||
}
|
||
}
|
||
class UnderlineAnnotationElement extends AnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true,
|
||
ignoreBorder: true,
|
||
createQuadrilaterals: true
|
||
});
|
||
}
|
||
render() {
|
||
if (!this.data.popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
}
|
||
this.container.classList.add("underlineAnnotation");
|
||
return this.container;
|
||
}
|
||
}
|
||
class SquigglyAnnotationElement extends AnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true,
|
||
ignoreBorder: true,
|
||
createQuadrilaterals: true
|
||
});
|
||
}
|
||
render() {
|
||
if (!this.data.popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
}
|
||
this.container.classList.add("squigglyAnnotation");
|
||
return this.container;
|
||
}
|
||
}
|
||
class StrikeOutAnnotationElement extends AnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true,
|
||
ignoreBorder: true,
|
||
createQuadrilaterals: true
|
||
});
|
||
}
|
||
render() {
|
||
if (!this.data.popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
}
|
||
this.container.classList.add("strikeoutAnnotation");
|
||
return this.container;
|
||
}
|
||
}
|
||
class StampAnnotationElement extends AnnotationElement {
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true,
|
||
ignoreBorder: true
|
||
});
|
||
this.annotationEditorType = AnnotationEditorType.STAMP;
|
||
}
|
||
render() {
|
||
this.container.classList.add("stampAnnotation");
|
||
this.container.setAttribute("role", "img");
|
||
if (!this.data.popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
}
|
||
this._editOnDoubleClick();
|
||
return this.container;
|
||
}
|
||
}
|
||
class FileAttachmentAnnotationElement extends AnnotationElement {
|
||
#trigger = null;
|
||
constructor(parameters) {
|
||
super(parameters, {
|
||
isRenderable: true
|
||
});
|
||
const {
|
||
file
|
||
} = this.data;
|
||
this.filename = file.filename;
|
||
this.content = file.content;
|
||
this.linkService.eventBus?.dispatch("fileattachmentannotation", {
|
||
source: this,
|
||
...file
|
||
});
|
||
}
|
||
render() {
|
||
this.container.classList.add("fileAttachmentAnnotation");
|
||
const {
|
||
container,
|
||
data
|
||
} = this;
|
||
let trigger;
|
||
if (data.hasAppearance || data.fillAlpha === 0) {
|
||
trigger = document.createElement("div");
|
||
} else {
|
||
trigger = document.createElement("img");
|
||
trigger.src = `${this.imageResourcesPath}annotation-${/paperclip/i.test(data.name) ? "paperclip" : "pushpin"}.svg`;
|
||
if (data.fillAlpha && data.fillAlpha < 1) {
|
||
trigger.style = `filter: opacity(${Math.round(data.fillAlpha * 100)}%);`;
|
||
}
|
||
}
|
||
trigger.addEventListener("dblclick", this.#download.bind(this));
|
||
this.#trigger = trigger;
|
||
const {
|
||
isMac
|
||
} = util_FeatureTest.platform;
|
||
container.addEventListener("keydown", evt => {
|
||
if (evt.key === "Enter" && (isMac ? evt.metaKey : evt.ctrlKey)) {
|
||
this.#download();
|
||
}
|
||
});
|
||
if (!data.popupRef && this.hasPopupData) {
|
||
this._createPopup();
|
||
} else {
|
||
trigger.classList.add("popupTriggerArea");
|
||
}
|
||
container.append(trigger);
|
||
return container;
|
||
}
|
||
getElementsToTriggerPopup() {
|
||
return this.#trigger;
|
||
}
|
||
addHighlightArea() {
|
||
this.container.classList.add("highlightArea");
|
||
}
|
||
#download() {
|
||
this.downloadManager?.openOrDownloadData(this.content, this.filename);
|
||
}
|
||
}
|
||
class AnnotationLayer {
|
||
#accessibilityManager = null;
|
||
#annotationCanvasMap = null;
|
||
#editableAnnotations = new Map();
|
||
#structTreeLayer = null;
|
||
constructor({
|
||
div,
|
||
accessibilityManager,
|
||
annotationCanvasMap,
|
||
annotationEditorUIManager,
|
||
page,
|
||
viewport,
|
||
structTreeLayer
|
||
}) {
|
||
this.div = div;
|
||
this.#accessibilityManager = accessibilityManager;
|
||
this.#annotationCanvasMap = annotationCanvasMap;
|
||
this.#structTreeLayer = structTreeLayer || null;
|
||
this.page = page;
|
||
this.viewport = viewport;
|
||
this.zIndex = 0;
|
||
this._annotationEditorUIManager = annotationEditorUIManager;
|
||
}
|
||
hasEditableAnnotations() {
|
||
return this.#editableAnnotations.size > 0;
|
||
}
|
||
async #appendElement(element, id) {
|
||
const contentElement = element.firstChild || element;
|
||
const annotationId = contentElement.id = `${AnnotationPrefix}${id}`;
|
||
const ariaAttributes = await this.#structTreeLayer?.getAriaAttributes(annotationId);
|
||
if (ariaAttributes) {
|
||
for (const [key, value] of ariaAttributes) {
|
||
contentElement.setAttribute(key, value);
|
||
}
|
||
}
|
||
this.div.append(element);
|
||
this.#accessibilityManager?.moveElementInDOM(this.div, element, contentElement, false);
|
||
}
|
||
async render(params) {
|
||
const {
|
||
annotations
|
||
} = params;
|
||
const layer = this.div;
|
||
setLayerDimensions(layer, this.viewport);
|
||
const popupToElements = new Map();
|
||
const elementParams = {
|
||
data: null,
|
||
layer,
|
||
linkService: params.linkService,
|
||
downloadManager: params.downloadManager,
|
||
imageResourcesPath: params.imageResourcesPath || "",
|
||
renderForms: params.renderForms !== false,
|
||
svgFactory: new DOMSVGFactory(),
|
||
annotationStorage: params.annotationStorage || new AnnotationStorage(),
|
||
enableScripting: params.enableScripting === true,
|
||
hasJSActions: params.hasJSActions,
|
||
fieldObjects: params.fieldObjects,
|
||
parent: this,
|
||
elements: null
|
||
};
|
||
for (const data of annotations) {
|
||
if (data.noHTML) {
|
||
continue;
|
||
}
|
||
const isPopupAnnotation = data.annotationType === AnnotationType.POPUP;
|
||
if (!isPopupAnnotation) {
|
||
const {
|
||
width,
|
||
height
|
||
} = getRectDims(data.rect);
|
||
if (width <= 0 || height <= 0) {
|
||
continue;
|
||
}
|
||
} else {
|
||
const elements = popupToElements.get(data.id);
|
||
if (!elements) {
|
||
continue;
|
||
}
|
||
elementParams.elements = elements;
|
||
}
|
||
elementParams.data = data;
|
||
const element = AnnotationElementFactory.create(elementParams);
|
||
if (!element.isRenderable) {
|
||
continue;
|
||
}
|
||
if (!isPopupAnnotation && data.popupRef) {
|
||
const elements = popupToElements.get(data.popupRef);
|
||
if (!elements) {
|
||
popupToElements.set(data.popupRef, [element]);
|
||
} else {
|
||
elements.push(element);
|
||
}
|
||
}
|
||
const rendered = element.render();
|
||
if (data.hidden) {
|
||
rendered.style.visibility = "hidden";
|
||
}
|
||
await this.#appendElement(rendered, data.id);
|
||
if (element._isEditable) {
|
||
this.#editableAnnotations.set(element.data.id, element);
|
||
this._annotationEditorUIManager?.renderAnnotationElement(element);
|
||
}
|
||
}
|
||
this.#setAnnotationCanvasMap();
|
||
}
|
||
update({
|
||
viewport
|
||
}) {
|
||
const layer = this.div;
|
||
this.viewport = viewport;
|
||
setLayerDimensions(layer, {
|
||
rotation: viewport.rotation
|
||
});
|
||
this.#setAnnotationCanvasMap();
|
||
layer.hidden = false;
|
||
}
|
||
#setAnnotationCanvasMap() {
|
||
if (!this.#annotationCanvasMap) {
|
||
return;
|
||
}
|
||
const layer = this.div;
|
||
for (const [id, canvas] of this.#annotationCanvasMap) {
|
||
const element = layer.querySelector(`[data-annotation-id="${id}"]`);
|
||
if (!element) {
|
||
continue;
|
||
}
|
||
canvas.className = "annotationContent";
|
||
const {
|
||
firstChild
|
||
} = element;
|
||
if (!firstChild) {
|
||
element.append(canvas);
|
||
} else if (firstChild.nodeName === "CANVAS") {
|
||
firstChild.replaceWith(canvas);
|
||
} else if (!firstChild.classList.contains("annotationContent")) {
|
||
firstChild.before(canvas);
|
||
} else {
|
||
firstChild.after(canvas);
|
||
}
|
||
}
|
||
this.#annotationCanvasMap.clear();
|
||
}
|
||
getEditableAnnotations() {
|
||
return Array.from(this.#editableAnnotations.values());
|
||
}
|
||
getEditableAnnotation(id) {
|
||
return this.#editableAnnotations.get(id);
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/freetext.js
|
||
|
||
|
||
|
||
|
||
const EOL_PATTERN = /\r\n?|\n/g;
|
||
class FreeTextEditor extends AnnotationEditor {
|
||
#color;
|
||
#content = "";
|
||
#editorDivId = `${this.id}-editor`;
|
||
#editModeAC = null;
|
||
#fontSize;
|
||
static _freeTextDefaultContent = "";
|
||
static _internalPadding = 0;
|
||
static _defaultColor = null;
|
||
static _defaultFontSize = 10;
|
||
static get _keyboardManager() {
|
||
const proto = FreeTextEditor.prototype;
|
||
const arrowChecker = self => self.isEmpty();
|
||
const small = AnnotationEditorUIManager.TRANSLATE_SMALL;
|
||
const big = AnnotationEditorUIManager.TRANSLATE_BIG;
|
||
return shadow(this, "_keyboardManager", new KeyboardManager([[["ctrl+s", "mac+meta+s", "ctrl+p", "mac+meta+p"], proto.commitOrRemove, {
|
||
bubbles: true
|
||
}], [["ctrl+Enter", "mac+meta+Enter", "Escape", "mac+Escape"], proto.commitOrRemove], [["ArrowLeft", "mac+ArrowLeft"], proto._translateEmpty, {
|
||
args: [-small, 0],
|
||
checker: arrowChecker
|
||
}], [["ctrl+ArrowLeft", "mac+shift+ArrowLeft"], proto._translateEmpty, {
|
||
args: [-big, 0],
|
||
checker: arrowChecker
|
||
}], [["ArrowRight", "mac+ArrowRight"], proto._translateEmpty, {
|
||
args: [small, 0],
|
||
checker: arrowChecker
|
||
}], [["ctrl+ArrowRight", "mac+shift+ArrowRight"], proto._translateEmpty, {
|
||
args: [big, 0],
|
||
checker: arrowChecker
|
||
}], [["ArrowUp", "mac+ArrowUp"], proto._translateEmpty, {
|
||
args: [0, -small],
|
||
checker: arrowChecker
|
||
}], [["ctrl+ArrowUp", "mac+shift+ArrowUp"], proto._translateEmpty, {
|
||
args: [0, -big],
|
||
checker: arrowChecker
|
||
}], [["ArrowDown", "mac+ArrowDown"], proto._translateEmpty, {
|
||
args: [0, small],
|
||
checker: arrowChecker
|
||
}], [["ctrl+ArrowDown", "mac+shift+ArrowDown"], proto._translateEmpty, {
|
||
args: [0, big],
|
||
checker: arrowChecker
|
||
}]]));
|
||
}
|
||
static _type = "freetext";
|
||
static _editorType = AnnotationEditorType.FREETEXT;
|
||
constructor(params) {
|
||
super({
|
||
...params,
|
||
name: "freeTextEditor"
|
||
});
|
||
this.#color = params.color || FreeTextEditor._defaultColor || AnnotationEditor._defaultLineColor;
|
||
this.#fontSize = params.fontSize || FreeTextEditor._defaultFontSize;
|
||
}
|
||
static initialize(l10n, uiManager) {
|
||
AnnotationEditor.initialize(l10n, uiManager);
|
||
const style = getComputedStyle(document.documentElement);
|
||
this._internalPadding = parseFloat(style.getPropertyValue("--freetext-padding"));
|
||
}
|
||
static updateDefaultParams(type, value) {
|
||
switch (type) {
|
||
case AnnotationEditorParamsType.FREETEXT_SIZE:
|
||
FreeTextEditor._defaultFontSize = value;
|
||
break;
|
||
case AnnotationEditorParamsType.FREETEXT_COLOR:
|
||
FreeTextEditor._defaultColor = value;
|
||
break;
|
||
}
|
||
}
|
||
updateParams(type, value) {
|
||
switch (type) {
|
||
case AnnotationEditorParamsType.FREETEXT_SIZE:
|
||
this.#updateFontSize(value);
|
||
break;
|
||
case AnnotationEditorParamsType.FREETEXT_COLOR:
|
||
this.#updateColor(value);
|
||
break;
|
||
}
|
||
}
|
||
static get defaultPropertiesToUpdate() {
|
||
return [[AnnotationEditorParamsType.FREETEXT_SIZE, FreeTextEditor._defaultFontSize], [AnnotationEditorParamsType.FREETEXT_COLOR, FreeTextEditor._defaultColor || AnnotationEditor._defaultLineColor]];
|
||
}
|
||
get propertiesToUpdate() {
|
||
return [[AnnotationEditorParamsType.FREETEXT_SIZE, this.#fontSize], [AnnotationEditorParamsType.FREETEXT_COLOR, this.#color]];
|
||
}
|
||
#updateFontSize(fontSize) {
|
||
const setFontsize = size => {
|
||
this.editorDiv.style.fontSize = `calc(${size}px * var(--scale-factor))`;
|
||
this.translate(0, -(size - this.#fontSize) * this.parentScale);
|
||
this.#fontSize = size;
|
||
this.#setEditorDimensions();
|
||
};
|
||
const savedFontsize = this.#fontSize;
|
||
this.addCommands({
|
||
cmd: setFontsize.bind(this, fontSize),
|
||
undo: setFontsize.bind(this, savedFontsize),
|
||
post: this._uiManager.updateUI.bind(this._uiManager, this),
|
||
mustExec: true,
|
||
type: AnnotationEditorParamsType.FREETEXT_SIZE,
|
||
overwriteIfSameType: true,
|
||
keepUndo: true
|
||
});
|
||
}
|
||
#updateColor(color) {
|
||
const setColor = col => {
|
||
this.#color = this.editorDiv.style.color = col;
|
||
};
|
||
const savedColor = this.#color;
|
||
this.addCommands({
|
||
cmd: setColor.bind(this, color),
|
||
undo: setColor.bind(this, savedColor),
|
||
post: this._uiManager.updateUI.bind(this._uiManager, this),
|
||
mustExec: true,
|
||
type: AnnotationEditorParamsType.FREETEXT_COLOR,
|
||
overwriteIfSameType: true,
|
||
keepUndo: true
|
||
});
|
||
}
|
||
_translateEmpty(x, y) {
|
||
this._uiManager.translateSelectedEditors(x, y, true);
|
||
}
|
||
getInitialTranslation() {
|
||
const scale = this.parentScale;
|
||
return [-FreeTextEditor._internalPadding * scale, -(FreeTextEditor._internalPadding + this.#fontSize) * scale];
|
||
}
|
||
rebuild() {
|
||
if (!this.parent) {
|
||
return;
|
||
}
|
||
super.rebuild();
|
||
if (this.div === null) {
|
||
return;
|
||
}
|
||
if (!this.isAttachedToDOM) {
|
||
this.parent.add(this);
|
||
}
|
||
}
|
||
enableEditMode() {
|
||
if (this.isInEditMode()) {
|
||
return;
|
||
}
|
||
this.parent.setEditingState(false);
|
||
this.parent.updateToolbar(AnnotationEditorType.FREETEXT);
|
||
super.enableEditMode();
|
||
this.overlayDiv.classList.remove("enabled");
|
||
this.editorDiv.contentEditable = true;
|
||
this._isDraggable = false;
|
||
this.div.removeAttribute("aria-activedescendant");
|
||
this.#editModeAC = new AbortController();
|
||
const signal = this._uiManager.combinedSignal(this.#editModeAC);
|
||
this.editorDiv.addEventListener("keydown", this.editorDivKeydown.bind(this), {
|
||
signal
|
||
});
|
||
this.editorDiv.addEventListener("focus", this.editorDivFocus.bind(this), {
|
||
signal
|
||
});
|
||
this.editorDiv.addEventListener("blur", this.editorDivBlur.bind(this), {
|
||
signal
|
||
});
|
||
this.editorDiv.addEventListener("input", this.editorDivInput.bind(this), {
|
||
signal
|
||
});
|
||
this.editorDiv.addEventListener("paste", this.editorDivPaste.bind(this), {
|
||
signal
|
||
});
|
||
}
|
||
disableEditMode() {
|
||
if (!this.isInEditMode()) {
|
||
return;
|
||
}
|
||
this.parent.setEditingState(true);
|
||
super.disableEditMode();
|
||
this.overlayDiv.classList.add("enabled");
|
||
this.editorDiv.contentEditable = false;
|
||
this.div.setAttribute("aria-activedescendant", this.#editorDivId);
|
||
this._isDraggable = true;
|
||
this.#editModeAC?.abort();
|
||
this.#editModeAC = null;
|
||
this.div.focus({
|
||
preventScroll: true
|
||
});
|
||
this.isEditing = false;
|
||
this.parent.div.classList.add("freetextEditing");
|
||
}
|
||
focusin(event) {
|
||
if (!this._focusEventsAllowed) {
|
||
return;
|
||
}
|
||
super.focusin(event);
|
||
if (event.target !== this.editorDiv) {
|
||
this.editorDiv.focus();
|
||
}
|
||
}
|
||
onceAdded(focus) {
|
||
if (this.width) {
|
||
return;
|
||
}
|
||
this.enableEditMode();
|
||
if (focus) {
|
||
this.editorDiv.focus();
|
||
}
|
||
if (this._initialOptions?.isCentered) {
|
||
this.center();
|
||
}
|
||
this._initialOptions = null;
|
||
}
|
||
isEmpty() {
|
||
return !this.editorDiv || this.editorDiv.innerText.trim() === "";
|
||
}
|
||
remove() {
|
||
this.isEditing = false;
|
||
if (this.parent) {
|
||
this.parent.setEditingState(true);
|
||
this.parent.div.classList.add("freetextEditing");
|
||
}
|
||
super.remove();
|
||
}
|
||
#extractText() {
|
||
const buffer = [];
|
||
this.editorDiv.normalize();
|
||
let prevChild = null;
|
||
for (const child of this.editorDiv.childNodes) {
|
||
if (prevChild?.nodeType === Node.TEXT_NODE && child.nodeName === "BR") {
|
||
continue;
|
||
}
|
||
buffer.push(FreeTextEditor.#getNodeContent(child));
|
||
prevChild = child;
|
||
}
|
||
return buffer.join("\n");
|
||
}
|
||
#setEditorDimensions() {
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
let rect;
|
||
if (this.isAttachedToDOM) {
|
||
rect = this.div.getBoundingClientRect();
|
||
} else {
|
||
const {
|
||
currentLayer,
|
||
div
|
||
} = this;
|
||
const savedDisplay = div.style.display;
|
||
const savedVisibility = div.classList.contains("hidden");
|
||
div.classList.remove("hidden");
|
||
div.style.display = "hidden";
|
||
currentLayer.div.append(this.div);
|
||
rect = div.getBoundingClientRect();
|
||
div.remove();
|
||
div.style.display = savedDisplay;
|
||
div.classList.toggle("hidden", savedVisibility);
|
||
}
|
||
if (this.rotation % 180 === this.parentRotation % 180) {
|
||
this.width = rect.width / parentWidth;
|
||
this.height = rect.height / parentHeight;
|
||
} else {
|
||
this.width = rect.height / parentWidth;
|
||
this.height = rect.width / parentHeight;
|
||
}
|
||
this.fixAndSetPosition();
|
||
}
|
||
commit() {
|
||
if (!this.isInEditMode()) {
|
||
return;
|
||
}
|
||
super.commit();
|
||
this.disableEditMode();
|
||
const savedText = this.#content;
|
||
const newText = this.#content = this.#extractText().trimEnd();
|
||
if (savedText === newText) {
|
||
return;
|
||
}
|
||
const setText = text => {
|
||
this.#content = text;
|
||
if (!text) {
|
||
this.remove();
|
||
return;
|
||
}
|
||
this.#setContent();
|
||
this._uiManager.rebuild(this);
|
||
this.#setEditorDimensions();
|
||
};
|
||
this.addCommands({
|
||
cmd: () => {
|
||
setText(newText);
|
||
},
|
||
undo: () => {
|
||
setText(savedText);
|
||
},
|
||
mustExec: false
|
||
});
|
||
this.#setEditorDimensions();
|
||
}
|
||
shouldGetKeyboardEvents() {
|
||
return this.isInEditMode();
|
||
}
|
||
enterInEditMode() {
|
||
this.enableEditMode();
|
||
this.editorDiv.focus();
|
||
}
|
||
dblclick(event) {
|
||
this.enterInEditMode();
|
||
}
|
||
keydown(event) {
|
||
if (event.target === this.div && event.key === "Enter") {
|
||
this.enterInEditMode();
|
||
event.preventDefault();
|
||
}
|
||
}
|
||
editorDivKeydown(event) {
|
||
FreeTextEditor._keyboardManager.exec(this, event);
|
||
}
|
||
editorDivFocus(event) {
|
||
this.isEditing = true;
|
||
}
|
||
editorDivBlur(event) {
|
||
this.isEditing = false;
|
||
}
|
||
editorDivInput(event) {
|
||
this.parent.div.classList.toggle("freetextEditing", this.isEmpty());
|
||
}
|
||
disableEditing() {
|
||
this.editorDiv.setAttribute("role", "comment");
|
||
this.editorDiv.removeAttribute("aria-multiline");
|
||
}
|
||
enableEditing() {
|
||
this.editorDiv.setAttribute("role", "textbox");
|
||
this.editorDiv.setAttribute("aria-multiline", true);
|
||
}
|
||
render() {
|
||
if (this.div) {
|
||
return this.div;
|
||
}
|
||
let baseX, baseY;
|
||
if (this.width) {
|
||
baseX = this.x;
|
||
baseY = this.y;
|
||
}
|
||
super.render();
|
||
this.editorDiv = document.createElement("div");
|
||
this.editorDiv.className = "internal";
|
||
this.editorDiv.setAttribute("id", this.#editorDivId);
|
||
this.editorDiv.setAttribute("data-l10n-id", "pdfjs-free-text2");
|
||
this.editorDiv.setAttribute("data-l10n-attrs", "default-content");
|
||
this.enableEditing();
|
||
this.editorDiv.contentEditable = true;
|
||
const {
|
||
style
|
||
} = this.editorDiv;
|
||
style.fontSize = `calc(${this.#fontSize}px * var(--scale-factor))`;
|
||
style.color = this.#color;
|
||
this.div.append(this.editorDiv);
|
||
this.overlayDiv = document.createElement("div");
|
||
this.overlayDiv.classList.add("overlay", "enabled");
|
||
this.div.append(this.overlayDiv);
|
||
bindEvents(this, this.div, ["dblclick", "keydown"]);
|
||
if (this.width) {
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
if (this.annotationElementId) {
|
||
const {
|
||
position
|
||
} = this._initialData;
|
||
let [tx, ty] = this.getInitialTranslation();
|
||
[tx, ty] = this.pageTranslationToScreen(tx, ty);
|
||
const [pageWidth, pageHeight] = this.pageDimensions;
|
||
const [pageX, pageY] = this.pageTranslation;
|
||
let posX, posY;
|
||
switch (this.rotation) {
|
||
case 0:
|
||
posX = baseX + (position[0] - pageX) / pageWidth;
|
||
posY = baseY + this.height - (position[1] - pageY) / pageHeight;
|
||
break;
|
||
case 90:
|
||
posX = baseX + (position[0] - pageX) / pageWidth;
|
||
posY = baseY - (position[1] - pageY) / pageHeight;
|
||
[tx, ty] = [ty, -tx];
|
||
break;
|
||
case 180:
|
||
posX = baseX - this.width + (position[0] - pageX) / pageWidth;
|
||
posY = baseY - (position[1] - pageY) / pageHeight;
|
||
[tx, ty] = [-tx, -ty];
|
||
break;
|
||
case 270:
|
||
posX = baseX + (position[0] - pageX - this.height * pageHeight) / pageWidth;
|
||
posY = baseY + (position[1] - pageY - this.width * pageWidth) / pageHeight;
|
||
[tx, ty] = [-ty, tx];
|
||
break;
|
||
}
|
||
this.setAt(posX * parentWidth, posY * parentHeight, tx, ty);
|
||
} else {
|
||
this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight);
|
||
}
|
||
this.#setContent();
|
||
this._isDraggable = true;
|
||
this.editorDiv.contentEditable = false;
|
||
} else {
|
||
this._isDraggable = false;
|
||
this.editorDiv.contentEditable = true;
|
||
}
|
||
return this.div;
|
||
}
|
||
static #getNodeContent(node) {
|
||
return (node.nodeType === Node.TEXT_NODE ? node.nodeValue : node.innerText).replaceAll(EOL_PATTERN, "");
|
||
}
|
||
editorDivPaste(event) {
|
||
const clipboardData = event.clipboardData || window.clipboardData;
|
||
const {
|
||
types
|
||
} = clipboardData;
|
||
if (types.length === 1 && types[0] === "text/plain") {
|
||
return;
|
||
}
|
||
event.preventDefault();
|
||
const paste = FreeTextEditor.#deserializeContent(clipboardData.getData("text") || "").replaceAll(EOL_PATTERN, "\n");
|
||
if (!paste) {
|
||
return;
|
||
}
|
||
const selection = window.getSelection();
|
||
if (!selection.rangeCount) {
|
||
return;
|
||
}
|
||
this.editorDiv.normalize();
|
||
selection.deleteFromDocument();
|
||
const range = selection.getRangeAt(0);
|
||
if (!paste.includes("\n")) {
|
||
range.insertNode(document.createTextNode(paste));
|
||
this.editorDiv.normalize();
|
||
selection.collapseToStart();
|
||
return;
|
||
}
|
||
const {
|
||
startContainer,
|
||
startOffset
|
||
} = range;
|
||
const bufferBefore = [];
|
||
const bufferAfter = [];
|
||
if (startContainer.nodeType === Node.TEXT_NODE) {
|
||
const parent = startContainer.parentElement;
|
||
bufferAfter.push(startContainer.nodeValue.slice(startOffset).replaceAll(EOL_PATTERN, ""));
|
||
if (parent !== this.editorDiv) {
|
||
let buffer = bufferBefore;
|
||
for (const child of this.editorDiv.childNodes) {
|
||
if (child === parent) {
|
||
buffer = bufferAfter;
|
||
continue;
|
||
}
|
||
buffer.push(FreeTextEditor.#getNodeContent(child));
|
||
}
|
||
}
|
||
bufferBefore.push(startContainer.nodeValue.slice(0, startOffset).replaceAll(EOL_PATTERN, ""));
|
||
} else if (startContainer === this.editorDiv) {
|
||
let buffer = bufferBefore;
|
||
let i = 0;
|
||
for (const child of this.editorDiv.childNodes) {
|
||
if (i++ === startOffset) {
|
||
buffer = bufferAfter;
|
||
}
|
||
buffer.push(FreeTextEditor.#getNodeContent(child));
|
||
}
|
||
}
|
||
this.#content = `${bufferBefore.join("\n")}${paste}${bufferAfter.join("\n")}`;
|
||
this.#setContent();
|
||
const newRange = new Range();
|
||
let beforeLength = bufferBefore.reduce((acc, line) => acc + line.length, 0);
|
||
for (const {
|
||
firstChild
|
||
} of this.editorDiv.childNodes) {
|
||
if (firstChild.nodeType === Node.TEXT_NODE) {
|
||
const length = firstChild.nodeValue.length;
|
||
if (beforeLength <= length) {
|
||
newRange.setStart(firstChild, beforeLength);
|
||
newRange.setEnd(firstChild, beforeLength);
|
||
break;
|
||
}
|
||
beforeLength -= length;
|
||
}
|
||
}
|
||
selection.removeAllRanges();
|
||
selection.addRange(newRange);
|
||
}
|
||
#setContent() {
|
||
this.editorDiv.replaceChildren();
|
||
if (!this.#content) {
|
||
return;
|
||
}
|
||
for (const line of this.#content.split("\n")) {
|
||
const div = document.createElement("div");
|
||
div.append(line ? document.createTextNode(line) : document.createElement("br"));
|
||
this.editorDiv.append(div);
|
||
}
|
||
}
|
||
#serializeContent() {
|
||
return this.#content.replaceAll("\xa0", " ");
|
||
}
|
||
static #deserializeContent(content) {
|
||
return content.replaceAll(" ", "\xa0");
|
||
}
|
||
get contentDiv() {
|
||
return this.editorDiv;
|
||
}
|
||
static async deserialize(data, parent, uiManager) {
|
||
let initialData = null;
|
||
if (data instanceof FreeTextAnnotationElement) {
|
||
const {
|
||
data: {
|
||
defaultAppearanceData: {
|
||
fontSize,
|
||
fontColor
|
||
},
|
||
rect,
|
||
rotation,
|
||
id,
|
||
popupRef
|
||
},
|
||
textContent,
|
||
textPosition,
|
||
parent: {
|
||
page: {
|
||
pageNumber
|
||
}
|
||
}
|
||
} = data;
|
||
if (!textContent || textContent.length === 0) {
|
||
return null;
|
||
}
|
||
initialData = data = {
|
||
annotationType: AnnotationEditorType.FREETEXT,
|
||
color: Array.from(fontColor),
|
||
fontSize,
|
||
value: textContent.join("\n"),
|
||
position: textPosition,
|
||
pageIndex: pageNumber - 1,
|
||
rect: rect.slice(0),
|
||
rotation,
|
||
id,
|
||
deleted: false,
|
||
popupRef
|
||
};
|
||
}
|
||
const editor = await super.deserialize(data, parent, uiManager);
|
||
editor.#fontSize = data.fontSize;
|
||
editor.#color = Util.makeHexColor(...data.color);
|
||
editor.#content = FreeTextEditor.#deserializeContent(data.value);
|
||
editor.annotationElementId = data.id || null;
|
||
editor._initialData = initialData;
|
||
return editor;
|
||
}
|
||
serialize(isForCopying = false) {
|
||
if (this.isEmpty()) {
|
||
return null;
|
||
}
|
||
if (this.deleted) {
|
||
return this.serializeDeleted();
|
||
}
|
||
const padding = FreeTextEditor._internalPadding * this.parentScale;
|
||
const rect = this.getRect(padding, padding);
|
||
const color = AnnotationEditor._colorManager.convert(this.isAttachedToDOM ? getComputedStyle(this.editorDiv).color : this.#color);
|
||
const serialized = {
|
||
annotationType: AnnotationEditorType.FREETEXT,
|
||
color,
|
||
fontSize: this.#fontSize,
|
||
value: this.#serializeContent(),
|
||
pageIndex: this.pageIndex,
|
||
rect,
|
||
rotation: this.rotation,
|
||
structTreeParentId: this._structTreeParentId
|
||
};
|
||
if (isForCopying) {
|
||
return serialized;
|
||
}
|
||
if (this.annotationElementId && !this.#hasElementChanged(serialized)) {
|
||
return null;
|
||
}
|
||
serialized.id = this.annotationElementId;
|
||
return serialized;
|
||
}
|
||
#hasElementChanged(serialized) {
|
||
const {
|
||
value,
|
||
fontSize,
|
||
color,
|
||
pageIndex
|
||
} = this._initialData;
|
||
return this._hasBeenMoved || serialized.value !== value || serialized.fontSize !== fontSize || serialized.color.some((c, i) => c !== color[i]) || serialized.pageIndex !== pageIndex;
|
||
}
|
||
renderAnnotationElement(annotation) {
|
||
const content = super.renderAnnotationElement(annotation);
|
||
if (this.deleted) {
|
||
return content;
|
||
}
|
||
const {
|
||
style
|
||
} = content;
|
||
style.fontSize = `calc(${this.#fontSize}px * var(--scale-factor))`;
|
||
style.color = this.#color;
|
||
content.replaceChildren();
|
||
for (const line of this.#content.split("\n")) {
|
||
const div = document.createElement("div");
|
||
div.append(line ? document.createTextNode(line) : document.createElement("br"));
|
||
content.append(div);
|
||
}
|
||
const padding = FreeTextEditor._internalPadding * this.parentScale;
|
||
annotation.updateEdited({
|
||
rect: this.getRect(padding, padding),
|
||
popupContent: this.#content
|
||
});
|
||
return content;
|
||
}
|
||
resetAnnotationElement(annotation) {
|
||
super.resetAnnotationElement(annotation);
|
||
annotation.resetEdited();
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/drawers/outline.js
|
||
|
||
class Outline {
|
||
static PRECISION = 1e-4;
|
||
toSVGPath() {
|
||
unreachable("Abstract method `toSVGPath` must be implemented.");
|
||
}
|
||
get box() {
|
||
unreachable("Abstract getter `box` must be implemented.");
|
||
}
|
||
serialize(_bbox, _rotation) {
|
||
unreachable("Abstract method `serialize` must be implemented.");
|
||
}
|
||
static _rescale(src, tx, ty, sx, sy, dest) {
|
||
dest ||= new Float32Array(src.length);
|
||
for (let i = 0, ii = src.length; i < ii; i += 2) {
|
||
dest[i] = tx + src[i] * sx;
|
||
dest[i + 1] = ty + src[i + 1] * sy;
|
||
}
|
||
return dest;
|
||
}
|
||
static _rescaleAndSwap(src, tx, ty, sx, sy, dest) {
|
||
dest ||= new Float32Array(src.length);
|
||
for (let i = 0, ii = src.length; i < ii; i += 2) {
|
||
dest[i] = tx + src[i + 1] * sx;
|
||
dest[i + 1] = ty + src[i] * sy;
|
||
}
|
||
return dest;
|
||
}
|
||
static _translate(src, tx, ty, dest) {
|
||
dest ||= new Float32Array(src.length);
|
||
for (let i = 0, ii = src.length; i < ii; i += 2) {
|
||
dest[i] = tx + src[i];
|
||
dest[i + 1] = ty + src[i + 1];
|
||
}
|
||
return dest;
|
||
}
|
||
static svgRound(x) {
|
||
return Math.round(x * 10000);
|
||
}
|
||
static _normalizePoint(x, y, parentWidth, parentHeight, rotation) {
|
||
switch (rotation) {
|
||
case 90:
|
||
return [1 - y / parentWidth, x / parentHeight];
|
||
case 180:
|
||
return [1 - x / parentWidth, 1 - y / parentHeight];
|
||
case 270:
|
||
return [y / parentWidth, 1 - x / parentHeight];
|
||
default:
|
||
return [x / parentWidth, y / parentHeight];
|
||
}
|
||
}
|
||
static _normalizePagePoint(x, y, rotation) {
|
||
switch (rotation) {
|
||
case 90:
|
||
return [1 - y, x];
|
||
case 180:
|
||
return [1 - x, 1 - y];
|
||
case 270:
|
||
return [y, 1 - x];
|
||
default:
|
||
return [x, y];
|
||
}
|
||
}
|
||
static createBezierPoints(x1, y1, x2, y2, x3, y3) {
|
||
return [(x1 + 5 * x2) / 6, (y1 + 5 * y2) / 6, (5 * x2 + x3) / 6, (5 * y2 + y3) / 6, (x2 + x3) / 2, (y2 + y3) / 2];
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/drawers/freedraw.js
|
||
|
||
|
||
class FreeDrawOutliner {
|
||
#box;
|
||
#bottom = [];
|
||
#innerMargin;
|
||
#isLTR;
|
||
#top = [];
|
||
#last = new Float32Array(18);
|
||
#lastX;
|
||
#lastY;
|
||
#min;
|
||
#min_dist;
|
||
#scaleFactor;
|
||
#thickness;
|
||
#points = [];
|
||
static #MIN_DIST = 8;
|
||
static #MIN_DIFF = 2;
|
||
static #MIN = FreeDrawOutliner.#MIN_DIST + FreeDrawOutliner.#MIN_DIFF;
|
||
constructor({
|
||
x,
|
||
y
|
||
}, box, scaleFactor, thickness, isLTR, innerMargin = 0) {
|
||
this.#box = box;
|
||
this.#thickness = thickness * scaleFactor;
|
||
this.#isLTR = isLTR;
|
||
this.#last.set([NaN, NaN, NaN, NaN, x, y], 6);
|
||
this.#innerMargin = innerMargin;
|
||
this.#min_dist = FreeDrawOutliner.#MIN_DIST * scaleFactor;
|
||
this.#min = FreeDrawOutliner.#MIN * scaleFactor;
|
||
this.#scaleFactor = scaleFactor;
|
||
this.#points.push(x, y);
|
||
}
|
||
isEmpty() {
|
||
return isNaN(this.#last[8]);
|
||
}
|
||
#getLastCoords() {
|
||
const lastTop = this.#last.subarray(4, 6);
|
||
const lastBottom = this.#last.subarray(16, 18);
|
||
const [x, y, width, height] = this.#box;
|
||
return [(this.#lastX + (lastTop[0] - lastBottom[0]) / 2 - x) / width, (this.#lastY + (lastTop[1] - lastBottom[1]) / 2 - y) / height, (this.#lastX + (lastBottom[0] - lastTop[0]) / 2 - x) / width, (this.#lastY + (lastBottom[1] - lastTop[1]) / 2 - y) / height];
|
||
}
|
||
add({
|
||
x,
|
||
y
|
||
}) {
|
||
this.#lastX = x;
|
||
this.#lastY = y;
|
||
const [layerX, layerY, layerWidth, layerHeight] = this.#box;
|
||
let [x1, y1, x2, y2] = this.#last.subarray(8, 12);
|
||
const diffX = x - x2;
|
||
const diffY = y - y2;
|
||
const d = Math.hypot(diffX, diffY);
|
||
if (d < this.#min) {
|
||
return false;
|
||
}
|
||
const diffD = d - this.#min_dist;
|
||
const K = diffD / d;
|
||
const shiftX = K * diffX;
|
||
const shiftY = K * diffY;
|
||
let x0 = x1;
|
||
let y0 = y1;
|
||
x1 = x2;
|
||
y1 = y2;
|
||
x2 += shiftX;
|
||
y2 += shiftY;
|
||
this.#points?.push(x, y);
|
||
const nX = -shiftY / diffD;
|
||
const nY = shiftX / diffD;
|
||
const thX = nX * this.#thickness;
|
||
const thY = nY * this.#thickness;
|
||
this.#last.set(this.#last.subarray(2, 8), 0);
|
||
this.#last.set([x2 + thX, y2 + thY], 4);
|
||
this.#last.set(this.#last.subarray(14, 18), 12);
|
||
this.#last.set([x2 - thX, y2 - thY], 16);
|
||
if (isNaN(this.#last[6])) {
|
||
if (this.#top.length === 0) {
|
||
this.#last.set([x1 + thX, y1 + thY], 2);
|
||
this.#top.push(NaN, NaN, NaN, NaN, (x1 + thX - layerX) / layerWidth, (y1 + thY - layerY) / layerHeight);
|
||
this.#last.set([x1 - thX, y1 - thY], 14);
|
||
this.#bottom.push(NaN, NaN, NaN, NaN, (x1 - thX - layerX) / layerWidth, (y1 - thY - layerY) / layerHeight);
|
||
}
|
||
this.#last.set([x0, y0, x1, y1, x2, y2], 6);
|
||
return !this.isEmpty();
|
||
}
|
||
this.#last.set([x0, y0, x1, y1, x2, y2], 6);
|
||
const angle = Math.abs(Math.atan2(y0 - y1, x0 - x1) - Math.atan2(shiftY, shiftX));
|
||
if (angle < Math.PI / 2) {
|
||
[x1, y1, x2, y2] = this.#last.subarray(2, 6);
|
||
this.#top.push(NaN, NaN, NaN, NaN, ((x1 + x2) / 2 - layerX) / layerWidth, ((y1 + y2) / 2 - layerY) / layerHeight);
|
||
[x1, y1, x0, y0] = this.#last.subarray(14, 18);
|
||
this.#bottom.push(NaN, NaN, NaN, NaN, ((x0 + x1) / 2 - layerX) / layerWidth, ((y0 + y1) / 2 - layerY) / layerHeight);
|
||
return true;
|
||
}
|
||
[x0, y0, x1, y1, x2, y2] = this.#last.subarray(0, 6);
|
||
this.#top.push(((x0 + 5 * x1) / 6 - layerX) / layerWidth, ((y0 + 5 * y1) / 6 - layerY) / layerHeight, ((5 * x1 + x2) / 6 - layerX) / layerWidth, ((5 * y1 + y2) / 6 - layerY) / layerHeight, ((x1 + x2) / 2 - layerX) / layerWidth, ((y1 + y2) / 2 - layerY) / layerHeight);
|
||
[x2, y2, x1, y1, x0, y0] = this.#last.subarray(12, 18);
|
||
this.#bottom.push(((x0 + 5 * x1) / 6 - layerX) / layerWidth, ((y0 + 5 * y1) / 6 - layerY) / layerHeight, ((5 * x1 + x2) / 6 - layerX) / layerWidth, ((5 * y1 + y2) / 6 - layerY) / layerHeight, ((x1 + x2) / 2 - layerX) / layerWidth, ((y1 + y2) / 2 - layerY) / layerHeight);
|
||
return true;
|
||
}
|
||
toSVGPath() {
|
||
if (this.isEmpty()) {
|
||
return "";
|
||
}
|
||
const top = this.#top;
|
||
const bottom = this.#bottom;
|
||
if (isNaN(this.#last[6]) && !this.isEmpty()) {
|
||
return this.#toSVGPathTwoPoints();
|
||
}
|
||
const buffer = [];
|
||
buffer.push(`M${top[4]} ${top[5]}`);
|
||
for (let i = 6; i < top.length; i += 6) {
|
||
if (isNaN(top[i])) {
|
||
buffer.push(`L${top[i + 4]} ${top[i + 5]}`);
|
||
} else {
|
||
buffer.push(`C${top[i]} ${top[i + 1]} ${top[i + 2]} ${top[i + 3]} ${top[i + 4]} ${top[i + 5]}`);
|
||
}
|
||
}
|
||
this.#toSVGPathEnd(buffer);
|
||
for (let i = bottom.length - 6; i >= 6; i -= 6) {
|
||
if (isNaN(bottom[i])) {
|
||
buffer.push(`L${bottom[i + 4]} ${bottom[i + 5]}`);
|
||
} else {
|
||
buffer.push(`C${bottom[i]} ${bottom[i + 1]} ${bottom[i + 2]} ${bottom[i + 3]} ${bottom[i + 4]} ${bottom[i + 5]}`);
|
||
}
|
||
}
|
||
this.#toSVGPathStart(buffer);
|
||
return buffer.join(" ");
|
||
}
|
||
#toSVGPathTwoPoints() {
|
||
const [x, y, width, height] = this.#box;
|
||
const [lastTopX, lastTopY, lastBottomX, lastBottomY] = this.#getLastCoords();
|
||
return `M${(this.#last[2] - x) / width} ${(this.#last[3] - y) / height} L${(this.#last[4] - x) / width} ${(this.#last[5] - y) / height} L${lastTopX} ${lastTopY} L${lastBottomX} ${lastBottomY} L${(this.#last[16] - x) / width} ${(this.#last[17] - y) / height} L${(this.#last[14] - x) / width} ${(this.#last[15] - y) / height} Z`;
|
||
}
|
||
#toSVGPathStart(buffer) {
|
||
const bottom = this.#bottom;
|
||
buffer.push(`L${bottom[4]} ${bottom[5]} Z`);
|
||
}
|
||
#toSVGPathEnd(buffer) {
|
||
const [x, y, width, height] = this.#box;
|
||
const lastTop = this.#last.subarray(4, 6);
|
||
const lastBottom = this.#last.subarray(16, 18);
|
||
const [lastTopX, lastTopY, lastBottomX, lastBottomY] = this.#getLastCoords();
|
||
buffer.push(`L${(lastTop[0] - x) / width} ${(lastTop[1] - y) / height} L${lastTopX} ${lastTopY} L${lastBottomX} ${lastBottomY} L${(lastBottom[0] - x) / width} ${(lastBottom[1] - y) / height}`);
|
||
}
|
||
newFreeDrawOutline(outline, points, box, scaleFactor, innerMargin, isLTR) {
|
||
return new FreeDrawOutline(outline, points, box, scaleFactor, innerMargin, isLTR);
|
||
}
|
||
getOutlines() {
|
||
const top = this.#top;
|
||
const bottom = this.#bottom;
|
||
const last = this.#last;
|
||
const [layerX, layerY, layerWidth, layerHeight] = this.#box;
|
||
const points = new Float32Array((this.#points?.length ?? 0) + 2);
|
||
for (let i = 0, ii = points.length - 2; i < ii; i += 2) {
|
||
points[i] = (this.#points[i] - layerX) / layerWidth;
|
||
points[i + 1] = (this.#points[i + 1] - layerY) / layerHeight;
|
||
}
|
||
points[points.length - 2] = (this.#lastX - layerX) / layerWidth;
|
||
points[points.length - 1] = (this.#lastY - layerY) / layerHeight;
|
||
if (isNaN(last[6]) && !this.isEmpty()) {
|
||
return this.#getOutlineTwoPoints(points);
|
||
}
|
||
const outline = new Float32Array(this.#top.length + 24 + this.#bottom.length);
|
||
let N = top.length;
|
||
for (let i = 0; i < N; i += 2) {
|
||
if (isNaN(top[i])) {
|
||
outline[i] = outline[i + 1] = NaN;
|
||
continue;
|
||
}
|
||
outline[i] = top[i];
|
||
outline[i + 1] = top[i + 1];
|
||
}
|
||
N = this.#getOutlineEnd(outline, N);
|
||
for (let i = bottom.length - 6; i >= 6; i -= 6) {
|
||
for (let j = 0; j < 6; j += 2) {
|
||
if (isNaN(bottom[i + j])) {
|
||
outline[N] = outline[N + 1] = NaN;
|
||
N += 2;
|
||
continue;
|
||
}
|
||
outline[N] = bottom[i + j];
|
||
outline[N + 1] = bottom[i + j + 1];
|
||
N += 2;
|
||
}
|
||
}
|
||
this.#getOutlineStart(outline, N);
|
||
return this.newFreeDrawOutline(outline, points, this.#box, this.#scaleFactor, this.#innerMargin, this.#isLTR);
|
||
}
|
||
#getOutlineTwoPoints(points) {
|
||
const last = this.#last;
|
||
const [layerX, layerY, layerWidth, layerHeight] = this.#box;
|
||
const [lastTopX, lastTopY, lastBottomX, lastBottomY] = this.#getLastCoords();
|
||
const outline = new Float32Array(36);
|
||
outline.set([NaN, NaN, NaN, NaN, (last[2] - layerX) / layerWidth, (last[3] - layerY) / layerHeight, NaN, NaN, NaN, NaN, (last[4] - layerX) / layerWidth, (last[5] - layerY) / layerHeight, NaN, NaN, NaN, NaN, lastTopX, lastTopY, NaN, NaN, NaN, NaN, lastBottomX, lastBottomY, NaN, NaN, NaN, NaN, (last[16] - layerX) / layerWidth, (last[17] - layerY) / layerHeight, NaN, NaN, NaN, NaN, (last[14] - layerX) / layerWidth, (last[15] - layerY) / layerHeight], 0);
|
||
return this.newFreeDrawOutline(outline, points, this.#box, this.#scaleFactor, this.#innerMargin, this.#isLTR);
|
||
}
|
||
#getOutlineStart(outline, pos) {
|
||
const bottom = this.#bottom;
|
||
outline.set([NaN, NaN, NaN, NaN, bottom[4], bottom[5]], pos);
|
||
return pos += 6;
|
||
}
|
||
#getOutlineEnd(outline, pos) {
|
||
const lastTop = this.#last.subarray(4, 6);
|
||
const lastBottom = this.#last.subarray(16, 18);
|
||
const [layerX, layerY, layerWidth, layerHeight] = this.#box;
|
||
const [lastTopX, lastTopY, lastBottomX, lastBottomY] = this.#getLastCoords();
|
||
outline.set([NaN, NaN, NaN, NaN, (lastTop[0] - layerX) / layerWidth, (lastTop[1] - layerY) / layerHeight, NaN, NaN, NaN, NaN, lastTopX, lastTopY, NaN, NaN, NaN, NaN, lastBottomX, lastBottomY, NaN, NaN, NaN, NaN, (lastBottom[0] - layerX) / layerWidth, (lastBottom[1] - layerY) / layerHeight], pos);
|
||
return pos += 24;
|
||
}
|
||
}
|
||
class FreeDrawOutline extends Outline {
|
||
#box;
|
||
#bbox = new Float32Array(4);
|
||
#innerMargin;
|
||
#isLTR;
|
||
#points;
|
||
#scaleFactor;
|
||
#outline;
|
||
constructor(outline, points, box, scaleFactor, innerMargin, isLTR) {
|
||
super();
|
||
this.#outline = outline;
|
||
this.#points = points;
|
||
this.#box = box;
|
||
this.#scaleFactor = scaleFactor;
|
||
this.#innerMargin = innerMargin;
|
||
this.#isLTR = isLTR;
|
||
this.lastPoint = [NaN, NaN];
|
||
this.#computeMinMax(isLTR);
|
||
const [x, y, width, height] = this.#bbox;
|
||
for (let i = 0, ii = outline.length; i < ii; i += 2) {
|
||
outline[i] = (outline[i] - x) / width;
|
||
outline[i + 1] = (outline[i + 1] - y) / height;
|
||
}
|
||
for (let i = 0, ii = points.length; i < ii; i += 2) {
|
||
points[i] = (points[i] - x) / width;
|
||
points[i + 1] = (points[i + 1] - y) / height;
|
||
}
|
||
}
|
||
toSVGPath() {
|
||
const buffer = [`M${this.#outline[4]} ${this.#outline[5]}`];
|
||
for (let i = 6, ii = this.#outline.length; i < ii; i += 6) {
|
||
if (isNaN(this.#outline[i])) {
|
||
buffer.push(`L${this.#outline[i + 4]} ${this.#outline[i + 5]}`);
|
||
continue;
|
||
}
|
||
buffer.push(`C${this.#outline[i]} ${this.#outline[i + 1]} ${this.#outline[i + 2]} ${this.#outline[i + 3]} ${this.#outline[i + 4]} ${this.#outline[i + 5]}`);
|
||
}
|
||
buffer.push("Z");
|
||
return buffer.join(" ");
|
||
}
|
||
serialize([blX, blY, trX, trY], rotation) {
|
||
const width = trX - blX;
|
||
const height = trY - blY;
|
||
let outline;
|
||
let points;
|
||
switch (rotation) {
|
||
case 0:
|
||
outline = Outline._rescale(this.#outline, blX, trY, width, -height);
|
||
points = Outline._rescale(this.#points, blX, trY, width, -height);
|
||
break;
|
||
case 90:
|
||
outline = Outline._rescaleAndSwap(this.#outline, blX, blY, width, height);
|
||
points = Outline._rescaleAndSwap(this.#points, blX, blY, width, height);
|
||
break;
|
||
case 180:
|
||
outline = Outline._rescale(this.#outline, trX, blY, -width, height);
|
||
points = Outline._rescale(this.#points, trX, blY, -width, height);
|
||
break;
|
||
case 270:
|
||
outline = Outline._rescaleAndSwap(this.#outline, trX, trY, -width, -height);
|
||
points = Outline._rescaleAndSwap(this.#points, trX, trY, -width, -height);
|
||
break;
|
||
}
|
||
return {
|
||
outline: Array.from(outline),
|
||
points: [Array.from(points)]
|
||
};
|
||
}
|
||
#computeMinMax(isLTR) {
|
||
const outline = this.#outline;
|
||
let lastX = outline[4];
|
||
let lastY = outline[5];
|
||
let minX = lastX;
|
||
let minY = lastY;
|
||
let maxX = lastX;
|
||
let maxY = lastY;
|
||
let lastPointX = lastX;
|
||
let lastPointY = lastY;
|
||
const ltrCallback = isLTR ? Math.max : Math.min;
|
||
for (let i = 6, ii = outline.length; i < ii; i += 6) {
|
||
if (isNaN(outline[i])) {
|
||
minX = Math.min(minX, outline[i + 4]);
|
||
minY = Math.min(minY, outline[i + 5]);
|
||
maxX = Math.max(maxX, outline[i + 4]);
|
||
maxY = Math.max(maxY, outline[i + 5]);
|
||
if (lastPointY < outline[i + 5]) {
|
||
lastPointX = outline[i + 4];
|
||
lastPointY = outline[i + 5];
|
||
} else if (lastPointY === outline[i + 5]) {
|
||
lastPointX = ltrCallback(lastPointX, outline[i + 4]);
|
||
}
|
||
} else {
|
||
const bbox = Util.bezierBoundingBox(lastX, lastY, ...outline.slice(i, i + 6));
|
||
minX = Math.min(minX, bbox[0]);
|
||
minY = Math.min(minY, bbox[1]);
|
||
maxX = Math.max(maxX, bbox[2]);
|
||
maxY = Math.max(maxY, bbox[3]);
|
||
if (lastPointY < bbox[3]) {
|
||
lastPointX = bbox[2];
|
||
lastPointY = bbox[3];
|
||
} else if (lastPointY === bbox[3]) {
|
||
lastPointX = ltrCallback(lastPointX, bbox[2]);
|
||
}
|
||
}
|
||
lastX = outline[i + 4];
|
||
lastY = outline[i + 5];
|
||
}
|
||
const bbox = this.#bbox;
|
||
bbox[0] = minX - this.#innerMargin;
|
||
bbox[1] = minY - this.#innerMargin;
|
||
bbox[2] = maxX - minX + 2 * this.#innerMargin;
|
||
bbox[3] = maxY - minY + 2 * this.#innerMargin;
|
||
this.lastPoint = [lastPointX, lastPointY];
|
||
}
|
||
get box() {
|
||
return this.#bbox;
|
||
}
|
||
newOutliner(point, box, scaleFactor, thickness, isLTR, innerMargin = 0) {
|
||
return new FreeDrawOutliner(point, box, scaleFactor, thickness, isLTR, innerMargin);
|
||
}
|
||
getNewOutline(thickness, innerMargin) {
|
||
const [x, y, width, height] = this.#bbox;
|
||
const [layerX, layerY, layerWidth, layerHeight] = this.#box;
|
||
const sx = width * layerWidth;
|
||
const sy = height * layerHeight;
|
||
const tx = x * layerWidth + layerX;
|
||
const ty = y * layerHeight + layerY;
|
||
const outliner = this.newOutliner({
|
||
x: this.#points[0] * sx + tx,
|
||
y: this.#points[1] * sy + ty
|
||
}, this.#box, this.#scaleFactor, thickness, this.#isLTR, innerMargin ?? this.#innerMargin);
|
||
for (let i = 2; i < this.#points.length; i += 2) {
|
||
outliner.add({
|
||
x: this.#points[i] * sx + tx,
|
||
y: this.#points[i + 1] * sy + ty
|
||
});
|
||
}
|
||
return outliner.getOutlines();
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/drawers/highlight.js
|
||
|
||
|
||
class HighlightOutliner {
|
||
#box;
|
||
#lastPoint;
|
||
#verticalEdges = [];
|
||
#intervals = [];
|
||
constructor(boxes, borderWidth = 0, innerMargin = 0, isLTR = true) {
|
||
let minX = Infinity;
|
||
let maxX = -Infinity;
|
||
let minY = Infinity;
|
||
let maxY = -Infinity;
|
||
const NUMBER_OF_DIGITS = 4;
|
||
const EPSILON = 10 ** -NUMBER_OF_DIGITS;
|
||
for (const {
|
||
x,
|
||
y,
|
||
width,
|
||
height
|
||
} of boxes) {
|
||
const x1 = Math.floor((x - borderWidth) / EPSILON) * EPSILON;
|
||
const x2 = Math.ceil((x + width + borderWidth) / EPSILON) * EPSILON;
|
||
const y1 = Math.floor((y - borderWidth) / EPSILON) * EPSILON;
|
||
const y2 = Math.ceil((y + height + borderWidth) / EPSILON) * EPSILON;
|
||
const left = [x1, y1, y2, true];
|
||
const right = [x2, y1, y2, false];
|
||
this.#verticalEdges.push(left, right);
|
||
minX = Math.min(minX, x1);
|
||
maxX = Math.max(maxX, x2);
|
||
minY = Math.min(minY, y1);
|
||
maxY = Math.max(maxY, y2);
|
||
}
|
||
const bboxWidth = maxX - minX + 2 * innerMargin;
|
||
const bboxHeight = maxY - minY + 2 * innerMargin;
|
||
const shiftedMinX = minX - innerMargin;
|
||
const shiftedMinY = minY - innerMargin;
|
||
const lastEdge = this.#verticalEdges.at(isLTR ? -1 : -2);
|
||
const lastPoint = [lastEdge[0], lastEdge[2]];
|
||
for (const edge of this.#verticalEdges) {
|
||
const [x, y1, y2] = edge;
|
||
edge[0] = (x - shiftedMinX) / bboxWidth;
|
||
edge[1] = (y1 - shiftedMinY) / bboxHeight;
|
||
edge[2] = (y2 - shiftedMinY) / bboxHeight;
|
||
}
|
||
this.#box = new Float32Array([shiftedMinX, shiftedMinY, bboxWidth, bboxHeight]);
|
||
this.#lastPoint = lastPoint;
|
||
}
|
||
getOutlines() {
|
||
this.#verticalEdges.sort((a, b) => a[0] - b[0] || a[1] - b[1] || a[2] - b[2]);
|
||
const outlineVerticalEdges = [];
|
||
for (const edge of this.#verticalEdges) {
|
||
if (edge[3]) {
|
||
outlineVerticalEdges.push(...this.#breakEdge(edge));
|
||
this.#insert(edge);
|
||
} else {
|
||
this.#remove(edge);
|
||
outlineVerticalEdges.push(...this.#breakEdge(edge));
|
||
}
|
||
}
|
||
return this.#getOutlines(outlineVerticalEdges);
|
||
}
|
||
#getOutlines(outlineVerticalEdges) {
|
||
const edges = [];
|
||
const allEdges = new Set();
|
||
for (const edge of outlineVerticalEdges) {
|
||
const [x, y1, y2] = edge;
|
||
edges.push([x, y1, edge], [x, y2, edge]);
|
||
}
|
||
edges.sort((a, b) => a[1] - b[1] || a[0] - b[0]);
|
||
for (let i = 0, ii = edges.length; i < ii; i += 2) {
|
||
const edge1 = edges[i][2];
|
||
const edge2 = edges[i + 1][2];
|
||
edge1.push(edge2);
|
||
edge2.push(edge1);
|
||
allEdges.add(edge1);
|
||
allEdges.add(edge2);
|
||
}
|
||
const outlines = [];
|
||
let outline;
|
||
while (allEdges.size > 0) {
|
||
const edge = allEdges.values().next().value;
|
||
let [x, y1, y2, edge1, edge2] = edge;
|
||
allEdges.delete(edge);
|
||
let lastPointX = x;
|
||
let lastPointY = y1;
|
||
outline = [x, y2];
|
||
outlines.push(outline);
|
||
while (true) {
|
||
let e;
|
||
if (allEdges.has(edge1)) {
|
||
e = edge1;
|
||
} else if (allEdges.has(edge2)) {
|
||
e = edge2;
|
||
} else {
|
||
break;
|
||
}
|
||
allEdges.delete(e);
|
||
[x, y1, y2, edge1, edge2] = e;
|
||
if (lastPointX !== x) {
|
||
outline.push(lastPointX, lastPointY, x, lastPointY === y1 ? y1 : y2);
|
||
lastPointX = x;
|
||
}
|
||
lastPointY = lastPointY === y1 ? y2 : y1;
|
||
}
|
||
outline.push(lastPointX, lastPointY);
|
||
}
|
||
return new HighlightOutline(outlines, this.#box, this.#lastPoint);
|
||
}
|
||
#binarySearch(y) {
|
||
const array = this.#intervals;
|
||
let start = 0;
|
||
let end = array.length - 1;
|
||
while (start <= end) {
|
||
const middle = start + end >> 1;
|
||
const y1 = array[middle][0];
|
||
if (y1 === y) {
|
||
return middle;
|
||
}
|
||
if (y1 < y) {
|
||
start = middle + 1;
|
||
} else {
|
||
end = middle - 1;
|
||
}
|
||
}
|
||
return end + 1;
|
||
}
|
||
#insert([, y1, y2]) {
|
||
const index = this.#binarySearch(y1);
|
||
this.#intervals.splice(index, 0, [y1, y2]);
|
||
}
|
||
#remove([, y1, y2]) {
|
||
const index = this.#binarySearch(y1);
|
||
for (let i = index; i < this.#intervals.length; i++) {
|
||
const [start, end] = this.#intervals[i];
|
||
if (start !== y1) {
|
||
break;
|
||
}
|
||
if (start === y1 && end === y2) {
|
||
this.#intervals.splice(i, 1);
|
||
return;
|
||
}
|
||
}
|
||
for (let i = index - 1; i >= 0; i--) {
|
||
const [start, end] = this.#intervals[i];
|
||
if (start !== y1) {
|
||
break;
|
||
}
|
||
if (start === y1 && end === y2) {
|
||
this.#intervals.splice(i, 1);
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
#breakEdge(edge) {
|
||
const [x, y1, y2] = edge;
|
||
const results = [[x, y1, y2]];
|
||
const index = this.#binarySearch(y2);
|
||
for (let i = 0; i < index; i++) {
|
||
const [start, end] = this.#intervals[i];
|
||
for (let j = 0, jj = results.length; j < jj; j++) {
|
||
const [, y3, y4] = results[j];
|
||
if (end <= y3 || y4 <= start) {
|
||
continue;
|
||
}
|
||
if (y3 >= start) {
|
||
if (y4 > end) {
|
||
results[j][1] = end;
|
||
} else {
|
||
if (jj === 1) {
|
||
return [];
|
||
}
|
||
results.splice(j, 1);
|
||
j--;
|
||
jj--;
|
||
}
|
||
continue;
|
||
}
|
||
results[j][2] = start;
|
||
if (y4 > end) {
|
||
results.push([x, end, y4]);
|
||
}
|
||
}
|
||
}
|
||
return results;
|
||
}
|
||
}
|
||
class HighlightOutline extends Outline {
|
||
#box;
|
||
#outlines;
|
||
constructor(outlines, box, lastPoint) {
|
||
super();
|
||
this.#outlines = outlines;
|
||
this.#box = box;
|
||
this.lastPoint = lastPoint;
|
||
}
|
||
toSVGPath() {
|
||
const buffer = [];
|
||
for (const polygon of this.#outlines) {
|
||
let [prevX, prevY] = polygon;
|
||
buffer.push(`M${prevX} ${prevY}`);
|
||
for (let i = 2; i < polygon.length; i += 2) {
|
||
const x = polygon[i];
|
||
const y = polygon[i + 1];
|
||
if (x === prevX) {
|
||
buffer.push(`V${y}`);
|
||
prevY = y;
|
||
} else if (y === prevY) {
|
||
buffer.push(`H${x}`);
|
||
prevX = x;
|
||
}
|
||
}
|
||
buffer.push("Z");
|
||
}
|
||
return buffer.join(" ");
|
||
}
|
||
serialize([blX, blY, trX, trY], _rotation) {
|
||
const outlines = [];
|
||
const width = trX - blX;
|
||
const height = trY - blY;
|
||
for (const outline of this.#outlines) {
|
||
const points = new Array(outline.length);
|
||
for (let i = 0; i < outline.length; i += 2) {
|
||
points[i] = blX + outline[i] * width;
|
||
points[i + 1] = trY - outline[i + 1] * height;
|
||
}
|
||
outlines.push(points);
|
||
}
|
||
return outlines;
|
||
}
|
||
get box() {
|
||
return this.#box;
|
||
}
|
||
get classNamesForOutlining() {
|
||
return ["highlightOutline"];
|
||
}
|
||
}
|
||
class FreeHighlightOutliner extends FreeDrawOutliner {
|
||
newFreeDrawOutline(outline, points, box, scaleFactor, innerMargin, isLTR) {
|
||
return new FreeHighlightOutline(outline, points, box, scaleFactor, innerMargin, isLTR);
|
||
}
|
||
}
|
||
class FreeHighlightOutline extends FreeDrawOutline {
|
||
newOutliner(point, box, scaleFactor, thickness, isLTR, innerMargin = 0) {
|
||
return new FreeHighlightOutliner(point, box, scaleFactor, thickness, isLTR, innerMargin);
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/color_picker.js
|
||
|
||
|
||
|
||
class ColorPicker {
|
||
#button = null;
|
||
#buttonSwatch = null;
|
||
#defaultColor;
|
||
#dropdown = null;
|
||
#dropdownWasFromKeyboard = false;
|
||
#isMainColorPicker = false;
|
||
#editor = null;
|
||
#eventBus;
|
||
#openDropdownAC = null;
|
||
#uiManager = null;
|
||
#type;
|
||
static #l10nColor = null;
|
||
static get _keyboardManager() {
|
||
return shadow(this, "_keyboardManager", new KeyboardManager([[["Escape", "mac+Escape"], ColorPicker.prototype._hideDropdownFromKeyboard], [[" ", "mac+ "], ColorPicker.prototype._colorSelectFromKeyboard], [["ArrowDown", "ArrowRight", "mac+ArrowDown", "mac+ArrowRight"], ColorPicker.prototype._moveToNext], [["ArrowUp", "ArrowLeft", "mac+ArrowUp", "mac+ArrowLeft"], ColorPicker.prototype._moveToPrevious], [["Home", "mac+Home"], ColorPicker.prototype._moveToBeginning], [["End", "mac+End"], ColorPicker.prototype._moveToEnd]]));
|
||
}
|
||
constructor({
|
||
editor = null,
|
||
uiManager = null
|
||
}) {
|
||
if (editor) {
|
||
this.#isMainColorPicker = false;
|
||
this.#type = AnnotationEditorParamsType.HIGHLIGHT_COLOR;
|
||
this.#editor = editor;
|
||
} else {
|
||
this.#isMainColorPicker = true;
|
||
this.#type = AnnotationEditorParamsType.HIGHLIGHT_DEFAULT_COLOR;
|
||
}
|
||
this.#uiManager = editor?._uiManager || uiManager;
|
||
this.#eventBus = this.#uiManager._eventBus;
|
||
this.#defaultColor = editor?.color || this.#uiManager?.highlightColors.values().next().value || "#FFFF98";
|
||
ColorPicker.#l10nColor ||= Object.freeze({
|
||
blue: "pdfjs-editor-colorpicker-blue",
|
||
green: "pdfjs-editor-colorpicker-green",
|
||
pink: "pdfjs-editor-colorpicker-pink",
|
||
red: "pdfjs-editor-colorpicker-red",
|
||
yellow: "pdfjs-editor-colorpicker-yellow"
|
||
});
|
||
}
|
||
renderButton() {
|
||
const button = this.#button = document.createElement("button");
|
||
button.className = "colorPicker";
|
||
button.tabIndex = "0";
|
||
button.setAttribute("data-l10n-id", "pdfjs-editor-colorpicker-button");
|
||
button.setAttribute("aria-haspopup", true);
|
||
const signal = this.#uiManager._signal;
|
||
button.addEventListener("click", this.#openDropdown.bind(this), {
|
||
signal
|
||
});
|
||
button.addEventListener("keydown", this.#keyDown.bind(this), {
|
||
signal
|
||
});
|
||
const swatch = this.#buttonSwatch = document.createElement("span");
|
||
swatch.className = "swatch";
|
||
swatch.setAttribute("aria-hidden", true);
|
||
swatch.style.backgroundColor = this.#defaultColor;
|
||
button.append(swatch);
|
||
return button;
|
||
}
|
||
renderMainDropdown() {
|
||
const dropdown = this.#dropdown = this.#getDropdownRoot();
|
||
dropdown.setAttribute("aria-orientation", "horizontal");
|
||
dropdown.setAttribute("aria-labelledby", "highlightColorPickerLabel");
|
||
return dropdown;
|
||
}
|
||
#getDropdownRoot() {
|
||
const div = document.createElement("div");
|
||
const signal = this.#uiManager._signal;
|
||
div.addEventListener("contextmenu", noContextMenu, {
|
||
signal
|
||
});
|
||
div.className = "dropdown";
|
||
div.role = "listbox";
|
||
div.setAttribute("aria-multiselectable", false);
|
||
div.setAttribute("aria-orientation", "vertical");
|
||
div.setAttribute("data-l10n-id", "pdfjs-editor-colorpicker-dropdown");
|
||
for (const [name, color] of this.#uiManager.highlightColors) {
|
||
const button = document.createElement("button");
|
||
button.tabIndex = "0";
|
||
button.role = "option";
|
||
button.setAttribute("data-color", color);
|
||
button.title = name;
|
||
button.setAttribute("data-l10n-id", ColorPicker.#l10nColor[name]);
|
||
const swatch = document.createElement("span");
|
||
button.append(swatch);
|
||
swatch.className = "swatch";
|
||
swatch.style.backgroundColor = color;
|
||
button.setAttribute("aria-selected", color === this.#defaultColor);
|
||
button.addEventListener("click", this.#colorSelect.bind(this, color), {
|
||
signal
|
||
});
|
||
div.append(button);
|
||
}
|
||
div.addEventListener("keydown", this.#keyDown.bind(this), {
|
||
signal
|
||
});
|
||
return div;
|
||
}
|
||
#colorSelect(color, event) {
|
||
event.stopPropagation();
|
||
this.#eventBus.dispatch("switchannotationeditorparams", {
|
||
source: this,
|
||
type: this.#type,
|
||
value: color
|
||
});
|
||
}
|
||
_colorSelectFromKeyboard(event) {
|
||
if (event.target === this.#button) {
|
||
this.#openDropdown(event);
|
||
return;
|
||
}
|
||
const color = event.target.getAttribute("data-color");
|
||
if (!color) {
|
||
return;
|
||
}
|
||
this.#colorSelect(color, event);
|
||
}
|
||
_moveToNext(event) {
|
||
if (!this.#isDropdownVisible) {
|
||
this.#openDropdown(event);
|
||
return;
|
||
}
|
||
if (event.target === this.#button) {
|
||
this.#dropdown.firstChild?.focus();
|
||
return;
|
||
}
|
||
event.target.nextSibling?.focus();
|
||
}
|
||
_moveToPrevious(event) {
|
||
if (event.target === this.#dropdown?.firstChild || event.target === this.#button) {
|
||
if (this.#isDropdownVisible) {
|
||
this._hideDropdownFromKeyboard();
|
||
}
|
||
return;
|
||
}
|
||
if (!this.#isDropdownVisible) {
|
||
this.#openDropdown(event);
|
||
}
|
||
event.target.previousSibling?.focus();
|
||
}
|
||
_moveToBeginning(event) {
|
||
if (!this.#isDropdownVisible) {
|
||
this.#openDropdown(event);
|
||
return;
|
||
}
|
||
this.#dropdown.firstChild?.focus();
|
||
}
|
||
_moveToEnd(event) {
|
||
if (!this.#isDropdownVisible) {
|
||
this.#openDropdown(event);
|
||
return;
|
||
}
|
||
this.#dropdown.lastChild?.focus();
|
||
}
|
||
#keyDown(event) {
|
||
ColorPicker._keyboardManager.exec(this, event);
|
||
}
|
||
#openDropdown(event) {
|
||
if (this.#isDropdownVisible) {
|
||
this.hideDropdown();
|
||
return;
|
||
}
|
||
this.#dropdownWasFromKeyboard = event.detail === 0;
|
||
if (!this.#openDropdownAC) {
|
||
this.#openDropdownAC = new AbortController();
|
||
window.addEventListener("pointerdown", this.#pointerDown.bind(this), {
|
||
signal: this.#uiManager.combinedSignal(this.#openDropdownAC)
|
||
});
|
||
}
|
||
if (this.#dropdown) {
|
||
this.#dropdown.classList.remove("hidden");
|
||
return;
|
||
}
|
||
const root = this.#dropdown = this.#getDropdownRoot();
|
||
this.#button.append(root);
|
||
}
|
||
#pointerDown(event) {
|
||
if (this.#dropdown?.contains(event.target)) {
|
||
return;
|
||
}
|
||
this.hideDropdown();
|
||
}
|
||
hideDropdown() {
|
||
this.#dropdown?.classList.add("hidden");
|
||
this.#openDropdownAC?.abort();
|
||
this.#openDropdownAC = null;
|
||
}
|
||
get #isDropdownVisible() {
|
||
return this.#dropdown && !this.#dropdown.classList.contains("hidden");
|
||
}
|
||
_hideDropdownFromKeyboard() {
|
||
if (this.#isMainColorPicker) {
|
||
return;
|
||
}
|
||
if (!this.#isDropdownVisible) {
|
||
this.#editor?.unselect();
|
||
return;
|
||
}
|
||
this.hideDropdown();
|
||
this.#button.focus({
|
||
preventScroll: true,
|
||
focusVisible: this.#dropdownWasFromKeyboard
|
||
});
|
||
}
|
||
updateColor(color) {
|
||
if (this.#buttonSwatch) {
|
||
this.#buttonSwatch.style.backgroundColor = color;
|
||
}
|
||
if (!this.#dropdown) {
|
||
return;
|
||
}
|
||
const i = this.#uiManager.highlightColors.values();
|
||
for (const child of this.#dropdown.children) {
|
||
child.setAttribute("aria-selected", i.next().value === color);
|
||
}
|
||
}
|
||
destroy() {
|
||
this.#button?.remove();
|
||
this.#button = null;
|
||
this.#buttonSwatch = null;
|
||
this.#dropdown?.remove();
|
||
this.#dropdown = null;
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/highlight.js
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
class HighlightEditor extends AnnotationEditor {
|
||
#anchorNode = null;
|
||
#anchorOffset = 0;
|
||
#boxes;
|
||
#clipPathId = null;
|
||
#colorPicker = null;
|
||
#focusOutlines = null;
|
||
#focusNode = null;
|
||
#focusOffset = 0;
|
||
#highlightDiv = null;
|
||
#highlightOutlines = null;
|
||
#id = null;
|
||
#isFreeHighlight = false;
|
||
#lastPoint = null;
|
||
#opacity;
|
||
#outlineId = null;
|
||
#text = "";
|
||
#thickness;
|
||
#methodOfCreation = "";
|
||
static _defaultColor = null;
|
||
static _defaultOpacity = 1;
|
||
static _defaultThickness = 12;
|
||
static _type = "highlight";
|
||
static _editorType = AnnotationEditorType.HIGHLIGHT;
|
||
static _freeHighlightId = -1;
|
||
static _freeHighlight = null;
|
||
static _freeHighlightClipId = "";
|
||
static get _keyboardManager() {
|
||
const proto = HighlightEditor.prototype;
|
||
return shadow(this, "_keyboardManager", new KeyboardManager([[["ArrowLeft", "mac+ArrowLeft"], proto._moveCaret, {
|
||
args: [0]
|
||
}], [["ArrowRight", "mac+ArrowRight"], proto._moveCaret, {
|
||
args: [1]
|
||
}], [["ArrowUp", "mac+ArrowUp"], proto._moveCaret, {
|
||
args: [2]
|
||
}], [["ArrowDown", "mac+ArrowDown"], proto._moveCaret, {
|
||
args: [3]
|
||
}]]));
|
||
}
|
||
constructor(params) {
|
||
super({
|
||
...params,
|
||
name: "highlightEditor"
|
||
});
|
||
this.color = params.color || HighlightEditor._defaultColor;
|
||
this.#thickness = params.thickness || HighlightEditor._defaultThickness;
|
||
this.#opacity = params.opacity || HighlightEditor._defaultOpacity;
|
||
this.#boxes = params.boxes || null;
|
||
this.#methodOfCreation = params.methodOfCreation || "";
|
||
this.#text = params.text || "";
|
||
this._isDraggable = false;
|
||
if (params.highlightId > -1) {
|
||
this.#isFreeHighlight = true;
|
||
this.#createFreeOutlines(params);
|
||
this.#addToDrawLayer();
|
||
} else if (this.#boxes) {
|
||
this.#anchorNode = params.anchorNode;
|
||
this.#anchorOffset = params.anchorOffset;
|
||
this.#focusNode = params.focusNode;
|
||
this.#focusOffset = params.focusOffset;
|
||
this.#createOutlines();
|
||
this.#addToDrawLayer();
|
||
this.rotate(this.rotation);
|
||
}
|
||
}
|
||
get telemetryInitialData() {
|
||
return {
|
||
action: "added",
|
||
type: this.#isFreeHighlight ? "free_highlight" : "highlight",
|
||
color: this._uiManager.highlightColorNames.get(this.color),
|
||
thickness: this.#thickness,
|
||
methodOfCreation: this.#methodOfCreation
|
||
};
|
||
}
|
||
get telemetryFinalData() {
|
||
return {
|
||
type: "highlight",
|
||
color: this._uiManager.highlightColorNames.get(this.color)
|
||
};
|
||
}
|
||
static computeTelemetryFinalData(data) {
|
||
return {
|
||
numberOfColors: data.get("color").size
|
||
};
|
||
}
|
||
#createOutlines() {
|
||
const outliner = new HighlightOutliner(this.#boxes, 0.001);
|
||
this.#highlightOutlines = outliner.getOutlines();
|
||
[this.x, this.y, this.width, this.height] = this.#highlightOutlines.box;
|
||
const outlinerForOutline = new HighlightOutliner(this.#boxes, 0.0025, 0.001, this._uiManager.direction === "ltr");
|
||
this.#focusOutlines = outlinerForOutline.getOutlines();
|
||
const {
|
||
lastPoint
|
||
} = this.#focusOutlines;
|
||
this.#lastPoint = [(lastPoint[0] - this.x) / this.width, (lastPoint[1] - this.y) / this.height];
|
||
}
|
||
#createFreeOutlines({
|
||
highlightOutlines,
|
||
highlightId,
|
||
clipPathId
|
||
}) {
|
||
this.#highlightOutlines = highlightOutlines;
|
||
const extraThickness = 1.5;
|
||
this.#focusOutlines = highlightOutlines.getNewOutline(this.#thickness / 2 + extraThickness, 0.0025);
|
||
if (highlightId >= 0) {
|
||
this.#id = highlightId;
|
||
this.#clipPathId = clipPathId;
|
||
this.parent.drawLayer.finalizeDraw(highlightId, {
|
||
bbox: highlightOutlines.box,
|
||
path: {
|
||
d: highlightOutlines.toSVGPath()
|
||
}
|
||
});
|
||
this.#outlineId = this.parent.drawLayer.drawOutline({
|
||
rootClass: {
|
||
highlightOutline: true,
|
||
free: true
|
||
},
|
||
bbox: this.#focusOutlines.box,
|
||
path: {
|
||
d: this.#focusOutlines.toSVGPath()
|
||
}
|
||
}, true);
|
||
} else if (this.parent) {
|
||
const angle = this.parent.viewport.rotation;
|
||
this.parent.drawLayer.updateProperties(this.#id, {
|
||
bbox: HighlightEditor.#rotateBbox(this.#highlightOutlines.box, (angle - this.rotation + 360) % 360),
|
||
path: {
|
||
d: highlightOutlines.toSVGPath()
|
||
}
|
||
});
|
||
this.parent.drawLayer.updateProperties(this.#outlineId, {
|
||
bbox: HighlightEditor.#rotateBbox(this.#focusOutlines.box, angle),
|
||
path: {
|
||
d: this.#focusOutlines.toSVGPath()
|
||
}
|
||
});
|
||
}
|
||
const [x, y, width, height] = highlightOutlines.box;
|
||
switch (this.rotation) {
|
||
case 0:
|
||
this.x = x;
|
||
this.y = y;
|
||
this.width = width;
|
||
this.height = height;
|
||
break;
|
||
case 90:
|
||
{
|
||
const [pageWidth, pageHeight] = this.parentDimensions;
|
||
this.x = y;
|
||
this.y = 1 - x;
|
||
this.width = width * pageHeight / pageWidth;
|
||
this.height = height * pageWidth / pageHeight;
|
||
break;
|
||
}
|
||
case 180:
|
||
this.x = 1 - x;
|
||
this.y = 1 - y;
|
||
this.width = width;
|
||
this.height = height;
|
||
break;
|
||
case 270:
|
||
{
|
||
const [pageWidth, pageHeight] = this.parentDimensions;
|
||
this.x = 1 - y;
|
||
this.y = x;
|
||
this.width = width * pageHeight / pageWidth;
|
||
this.height = height * pageWidth / pageHeight;
|
||
break;
|
||
}
|
||
}
|
||
const {
|
||
lastPoint
|
||
} = this.#focusOutlines;
|
||
this.#lastPoint = [(lastPoint[0] - x) / width, (lastPoint[1] - y) / height];
|
||
}
|
||
static initialize(l10n, uiManager) {
|
||
AnnotationEditor.initialize(l10n, uiManager);
|
||
HighlightEditor._defaultColor ||= uiManager.highlightColors?.values().next().value || "#fff066";
|
||
}
|
||
static updateDefaultParams(type, value) {
|
||
switch (type) {
|
||
case AnnotationEditorParamsType.HIGHLIGHT_DEFAULT_COLOR:
|
||
HighlightEditor._defaultColor = value;
|
||
break;
|
||
case AnnotationEditorParamsType.HIGHLIGHT_THICKNESS:
|
||
HighlightEditor._defaultThickness = value;
|
||
break;
|
||
}
|
||
}
|
||
translateInPage(x, y) {}
|
||
get toolbarPosition() {
|
||
return this.#lastPoint;
|
||
}
|
||
updateParams(type, value) {
|
||
switch (type) {
|
||
case AnnotationEditorParamsType.HIGHLIGHT_COLOR:
|
||
this.#updateColor(value);
|
||
break;
|
||
case AnnotationEditorParamsType.HIGHLIGHT_THICKNESS:
|
||
this.#updateThickness(value);
|
||
break;
|
||
}
|
||
}
|
||
static get defaultPropertiesToUpdate() {
|
||
return [[AnnotationEditorParamsType.HIGHLIGHT_DEFAULT_COLOR, HighlightEditor._defaultColor], [AnnotationEditorParamsType.HIGHLIGHT_THICKNESS, HighlightEditor._defaultThickness]];
|
||
}
|
||
get propertiesToUpdate() {
|
||
return [[AnnotationEditorParamsType.HIGHLIGHT_COLOR, this.color || HighlightEditor._defaultColor], [AnnotationEditorParamsType.HIGHLIGHT_THICKNESS, this.#thickness || HighlightEditor._defaultThickness], [AnnotationEditorParamsType.HIGHLIGHT_FREE, this.#isFreeHighlight]];
|
||
}
|
||
#updateColor(color) {
|
||
const setColorAndOpacity = (col, opa) => {
|
||
this.color = col;
|
||
this.#opacity = opa;
|
||
this.parent?.drawLayer.updateProperties(this.#id, {
|
||
root: {
|
||
fill: col,
|
||
"fill-opacity": opa
|
||
}
|
||
});
|
||
this.#colorPicker?.updateColor(col);
|
||
};
|
||
const savedColor = this.color;
|
||
const savedOpacity = this.#opacity;
|
||
this.addCommands({
|
||
cmd: setColorAndOpacity.bind(this, color, HighlightEditor._defaultOpacity),
|
||
undo: setColorAndOpacity.bind(this, savedColor, savedOpacity),
|
||
post: this._uiManager.updateUI.bind(this._uiManager, this),
|
||
mustExec: true,
|
||
type: AnnotationEditorParamsType.HIGHLIGHT_COLOR,
|
||
overwriteIfSameType: true,
|
||
keepUndo: true
|
||
});
|
||
this._reportTelemetry({
|
||
action: "color_changed",
|
||
color: this._uiManager.highlightColorNames.get(color)
|
||
}, true);
|
||
}
|
||
#updateThickness(thickness) {
|
||
const savedThickness = this.#thickness;
|
||
const setThickness = th => {
|
||
this.#thickness = th;
|
||
this.#changeThickness(th);
|
||
};
|
||
this.addCommands({
|
||
cmd: setThickness.bind(this, thickness),
|
||
undo: setThickness.bind(this, savedThickness),
|
||
post: this._uiManager.updateUI.bind(this._uiManager, this),
|
||
mustExec: true,
|
||
type: AnnotationEditorParamsType.INK_THICKNESS,
|
||
overwriteIfSameType: true,
|
||
keepUndo: true
|
||
});
|
||
this._reportTelemetry({
|
||
action: "thickness_changed",
|
||
thickness
|
||
}, true);
|
||
}
|
||
async addEditToolbar() {
|
||
const toolbar = await super.addEditToolbar();
|
||
if (!toolbar) {
|
||
return null;
|
||
}
|
||
if (this._uiManager.highlightColors) {
|
||
this.#colorPicker = new ColorPicker({
|
||
editor: this
|
||
});
|
||
toolbar.addColorPicker(this.#colorPicker);
|
||
}
|
||
return toolbar;
|
||
}
|
||
disableEditing() {
|
||
super.disableEditing();
|
||
this.div.classList.toggle("disabled", true);
|
||
}
|
||
enableEditing() {
|
||
super.enableEditing();
|
||
this.div.classList.toggle("disabled", false);
|
||
}
|
||
fixAndSetPosition() {
|
||
return super.fixAndSetPosition(this.#getRotation());
|
||
}
|
||
getBaseTranslation() {
|
||
return [0, 0];
|
||
}
|
||
getRect(tx, ty) {
|
||
return super.getRect(tx, ty, this.#getRotation());
|
||
}
|
||
onceAdded(focus) {
|
||
if (!this.annotationElementId) {
|
||
this.parent.addUndoableEditor(this);
|
||
}
|
||
if (focus) {
|
||
this.div.focus();
|
||
}
|
||
}
|
||
remove() {
|
||
this.#cleanDrawLayer();
|
||
this._reportTelemetry({
|
||
action: "deleted"
|
||
});
|
||
super.remove();
|
||
}
|
||
rebuild() {
|
||
if (!this.parent) {
|
||
return;
|
||
}
|
||
super.rebuild();
|
||
if (this.div === null) {
|
||
return;
|
||
}
|
||
this.#addToDrawLayer();
|
||
if (!this.isAttachedToDOM) {
|
||
this.parent.add(this);
|
||
}
|
||
}
|
||
setParent(parent) {
|
||
let mustBeSelected = false;
|
||
if (this.parent && !parent) {
|
||
this.#cleanDrawLayer();
|
||
} else if (parent) {
|
||
this.#addToDrawLayer(parent);
|
||
mustBeSelected = !this.parent && this.div?.classList.contains("selectedEditor");
|
||
}
|
||
super.setParent(parent);
|
||
this.show(this._isVisible);
|
||
if (mustBeSelected) {
|
||
this.select();
|
||
}
|
||
}
|
||
#changeThickness(thickness) {
|
||
if (!this.#isFreeHighlight) {
|
||
return;
|
||
}
|
||
this.#createFreeOutlines({
|
||
highlightOutlines: this.#highlightOutlines.getNewOutline(thickness / 2)
|
||
});
|
||
this.fixAndSetPosition();
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
this.setDims(this.width * parentWidth, this.height * parentHeight);
|
||
}
|
||
#cleanDrawLayer() {
|
||
if (this.#id === null || !this.parent) {
|
||
return;
|
||
}
|
||
this.parent.drawLayer.remove(this.#id);
|
||
this.#id = null;
|
||
this.parent.drawLayer.remove(this.#outlineId);
|
||
this.#outlineId = null;
|
||
}
|
||
#addToDrawLayer(parent = this.parent) {
|
||
if (this.#id !== null) {
|
||
return;
|
||
}
|
||
({
|
||
id: this.#id,
|
||
clipPathId: this.#clipPathId
|
||
} = parent.drawLayer.draw({
|
||
bbox: this.#highlightOutlines.box,
|
||
root: {
|
||
viewBox: "0 0 1 1",
|
||
fill: this.color,
|
||
"fill-opacity": this.#opacity
|
||
},
|
||
rootClass: {
|
||
highlight: true,
|
||
free: this.#isFreeHighlight
|
||
},
|
||
path: {
|
||
d: this.#highlightOutlines.toSVGPath()
|
||
}
|
||
}, false, true));
|
||
this.#outlineId = parent.drawLayer.drawOutline({
|
||
rootClass: {
|
||
highlightOutline: true,
|
||
free: this.#isFreeHighlight
|
||
},
|
||
bbox: this.#focusOutlines.box,
|
||
path: {
|
||
d: this.#focusOutlines.toSVGPath()
|
||
}
|
||
}, this.#isFreeHighlight);
|
||
if (this.#highlightDiv) {
|
||
this.#highlightDiv.style.clipPath = this.#clipPathId;
|
||
}
|
||
}
|
||
static #rotateBbox([x, y, width, height], angle) {
|
||
switch (angle) {
|
||
case 90:
|
||
return [1 - y - height, x, height, width];
|
||
case 180:
|
||
return [1 - x - width, 1 - y - height, width, height];
|
||
case 270:
|
||
return [y, 1 - x - width, height, width];
|
||
}
|
||
return [x, y, width, height];
|
||
}
|
||
rotate(angle) {
|
||
const {
|
||
drawLayer
|
||
} = this.parent;
|
||
let box;
|
||
if (this.#isFreeHighlight) {
|
||
angle = (angle - this.rotation + 360) % 360;
|
||
box = HighlightEditor.#rotateBbox(this.#highlightOutlines.box, angle);
|
||
} else {
|
||
box = HighlightEditor.#rotateBbox([this.x, this.y, this.width, this.height], angle);
|
||
}
|
||
drawLayer.updateProperties(this.#id, {
|
||
bbox: box,
|
||
root: {
|
||
"data-main-rotation": angle
|
||
}
|
||
});
|
||
drawLayer.updateProperties(this.#outlineId, {
|
||
bbox: HighlightEditor.#rotateBbox(this.#focusOutlines.box, angle),
|
||
root: {
|
||
"data-main-rotation": angle
|
||
}
|
||
});
|
||
}
|
||
render() {
|
||
if (this.div) {
|
||
return this.div;
|
||
}
|
||
const div = super.render();
|
||
if (this.#text) {
|
||
div.setAttribute("aria-label", this.#text);
|
||
div.setAttribute("role", "mark");
|
||
}
|
||
if (this.#isFreeHighlight) {
|
||
div.classList.add("free");
|
||
} else {
|
||
this.div.addEventListener("keydown", this.#keydown.bind(this), {
|
||
signal: this._uiManager._signal
|
||
});
|
||
}
|
||
const highlightDiv = this.#highlightDiv = document.createElement("div");
|
||
div.append(highlightDiv);
|
||
highlightDiv.setAttribute("aria-hidden", "true");
|
||
highlightDiv.className = "internal";
|
||
highlightDiv.style.clipPath = this.#clipPathId;
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
this.setDims(this.width * parentWidth, this.height * parentHeight);
|
||
bindEvents(this, this.#highlightDiv, ["pointerover", "pointerleave"]);
|
||
this.enableEditing();
|
||
return div;
|
||
}
|
||
pointerover() {
|
||
if (!this.isSelected) {
|
||
this.parent?.drawLayer.updateProperties(this.#outlineId, {
|
||
rootClass: {
|
||
hovered: true
|
||
}
|
||
});
|
||
}
|
||
}
|
||
pointerleave() {
|
||
if (!this.isSelected) {
|
||
this.parent?.drawLayer.updateProperties(this.#outlineId, {
|
||
rootClass: {
|
||
hovered: false
|
||
}
|
||
});
|
||
}
|
||
}
|
||
#keydown(event) {
|
||
HighlightEditor._keyboardManager.exec(this, event);
|
||
}
|
||
_moveCaret(direction) {
|
||
this.parent.unselect(this);
|
||
switch (direction) {
|
||
case 0:
|
||
case 2:
|
||
this.#setCaret(true);
|
||
break;
|
||
case 1:
|
||
case 3:
|
||
this.#setCaret(false);
|
||
break;
|
||
}
|
||
}
|
||
#setCaret(start) {
|
||
if (!this.#anchorNode) {
|
||
return;
|
||
}
|
||
const selection = window.getSelection();
|
||
if (start) {
|
||
selection.setPosition(this.#anchorNode, this.#anchorOffset);
|
||
} else {
|
||
selection.setPosition(this.#focusNode, this.#focusOffset);
|
||
}
|
||
}
|
||
select() {
|
||
super.select();
|
||
if (!this.#outlineId) {
|
||
return;
|
||
}
|
||
this.parent?.drawLayer.updateProperties(this.#outlineId, {
|
||
rootClass: {
|
||
hovered: false,
|
||
selected: true
|
||
}
|
||
});
|
||
}
|
||
unselect() {
|
||
super.unselect();
|
||
if (!this.#outlineId) {
|
||
return;
|
||
}
|
||
this.parent?.drawLayer.updateProperties(this.#outlineId, {
|
||
rootClass: {
|
||
selected: false
|
||
}
|
||
});
|
||
if (!this.#isFreeHighlight) {
|
||
this.#setCaret(false);
|
||
}
|
||
}
|
||
get _mustFixPosition() {
|
||
return !this.#isFreeHighlight;
|
||
}
|
||
show(visible = this._isVisible) {
|
||
super.show(visible);
|
||
if (this.parent) {
|
||
this.parent.drawLayer.updateProperties(this.#id, {
|
||
rootClass: {
|
||
hidden: !visible
|
||
}
|
||
});
|
||
this.parent.drawLayer.updateProperties(this.#outlineId, {
|
||
rootClass: {
|
||
hidden: !visible
|
||
}
|
||
});
|
||
}
|
||
}
|
||
#getRotation() {
|
||
return this.#isFreeHighlight ? this.rotation : 0;
|
||
}
|
||
#serializeBoxes() {
|
||
if (this.#isFreeHighlight) {
|
||
return null;
|
||
}
|
||
const [pageWidth, pageHeight] = this.pageDimensions;
|
||
const [pageX, pageY] = this.pageTranslation;
|
||
const boxes = this.#boxes;
|
||
const quadPoints = new Float32Array(boxes.length * 8);
|
||
let i = 0;
|
||
for (const {
|
||
x,
|
||
y,
|
||
width,
|
||
height
|
||
} of boxes) {
|
||
const sx = x * pageWidth + pageX;
|
||
const sy = (1 - y) * pageHeight + pageY;
|
||
quadPoints[i] = quadPoints[i + 4] = sx;
|
||
quadPoints[i + 1] = quadPoints[i + 3] = sy;
|
||
quadPoints[i + 2] = quadPoints[i + 6] = sx + width * pageWidth;
|
||
quadPoints[i + 5] = quadPoints[i + 7] = sy - height * pageHeight;
|
||
i += 8;
|
||
}
|
||
return quadPoints;
|
||
}
|
||
#serializeOutlines(rect) {
|
||
return this.#highlightOutlines.serialize(rect, this.#getRotation());
|
||
}
|
||
static startHighlighting(parent, isLTR, {
|
||
target: textLayer,
|
||
x,
|
||
y
|
||
}) {
|
||
const {
|
||
x: layerX,
|
||
y: layerY,
|
||
width: parentWidth,
|
||
height: parentHeight
|
||
} = textLayer.getBoundingClientRect();
|
||
const ac = new AbortController();
|
||
const signal = parent.combinedSignal(ac);
|
||
const pointerUpCallback = e => {
|
||
ac.abort();
|
||
this.#endHighlight(parent, e);
|
||
};
|
||
window.addEventListener("blur", pointerUpCallback, {
|
||
signal
|
||
});
|
||
window.addEventListener("pointerup", pointerUpCallback, {
|
||
signal
|
||
});
|
||
window.addEventListener("pointerdown", stopEvent, {
|
||
capture: true,
|
||
passive: false,
|
||
signal
|
||
});
|
||
window.addEventListener("contextmenu", noContextMenu, {
|
||
signal
|
||
});
|
||
textLayer.addEventListener("pointermove", this.#highlightMove.bind(this, parent), {
|
||
signal
|
||
});
|
||
this._freeHighlight = new FreeHighlightOutliner({
|
||
x,
|
||
y
|
||
}, [layerX, layerY, parentWidth, parentHeight], parent.scale, this._defaultThickness / 2, isLTR, 0.001);
|
||
({
|
||
id: this._freeHighlightId,
|
||
clipPathId: this._freeHighlightClipId
|
||
} = parent.drawLayer.draw({
|
||
bbox: [0, 0, 1, 1],
|
||
root: {
|
||
viewBox: "0 0 1 1",
|
||
fill: this._defaultColor,
|
||
"fill-opacity": this._defaultOpacity
|
||
},
|
||
rootClass: {
|
||
highlight: true,
|
||
free: true
|
||
},
|
||
path: {
|
||
d: this._freeHighlight.toSVGPath()
|
||
}
|
||
}, true, true));
|
||
}
|
||
static #highlightMove(parent, event) {
|
||
if (this._freeHighlight.add(event)) {
|
||
parent.drawLayer.updateProperties(this._freeHighlightId, {
|
||
path: {
|
||
d: this._freeHighlight.toSVGPath()
|
||
}
|
||
});
|
||
}
|
||
}
|
||
static #endHighlight(parent, event) {
|
||
if (!this._freeHighlight.isEmpty()) {
|
||
parent.createAndAddNewEditor(event, false, {
|
||
highlightId: this._freeHighlightId,
|
||
highlightOutlines: this._freeHighlight.getOutlines(),
|
||
clipPathId: this._freeHighlightClipId,
|
||
methodOfCreation: "main_toolbar"
|
||
});
|
||
} else {
|
||
parent.drawLayer.remove(this._freeHighlightId);
|
||
}
|
||
this._freeHighlightId = -1;
|
||
this._freeHighlight = null;
|
||
this._freeHighlightClipId = "";
|
||
}
|
||
static async deserialize(data, parent, uiManager) {
|
||
let initialData = null;
|
||
if (data instanceof HighlightAnnotationElement) {
|
||
const {
|
||
data: {
|
||
quadPoints,
|
||
rect,
|
||
rotation,
|
||
id,
|
||
color,
|
||
opacity,
|
||
popupRef
|
||
},
|
||
parent: {
|
||
page: {
|
||
pageNumber
|
||
}
|
||
}
|
||
} = data;
|
||
initialData = data = {
|
||
annotationType: AnnotationEditorType.HIGHLIGHT,
|
||
color: Array.from(color),
|
||
opacity,
|
||
quadPoints,
|
||
boxes: null,
|
||
pageIndex: pageNumber - 1,
|
||
rect: rect.slice(0),
|
||
rotation,
|
||
id,
|
||
deleted: false,
|
||
popupRef
|
||
};
|
||
} else if (data instanceof InkAnnotationElement) {
|
||
const {
|
||
data: {
|
||
inkLists,
|
||
rect,
|
||
rotation,
|
||
id,
|
||
color,
|
||
borderStyle: {
|
||
rawWidth: thickness
|
||
},
|
||
popupRef
|
||
},
|
||
parent: {
|
||
page: {
|
||
pageNumber
|
||
}
|
||
}
|
||
} = data;
|
||
initialData = data = {
|
||
annotationType: AnnotationEditorType.HIGHLIGHT,
|
||
color: Array.from(color),
|
||
thickness,
|
||
inkLists,
|
||
boxes: null,
|
||
pageIndex: pageNumber - 1,
|
||
rect: rect.slice(0),
|
||
rotation,
|
||
id,
|
||
deleted: false,
|
||
popupRef
|
||
};
|
||
}
|
||
const {
|
||
color,
|
||
quadPoints,
|
||
inkLists,
|
||
opacity
|
||
} = data;
|
||
const editor = await super.deserialize(data, parent, uiManager);
|
||
editor.color = Util.makeHexColor(...color);
|
||
editor.#opacity = opacity || 1;
|
||
if (inkLists) {
|
||
editor.#thickness = data.thickness;
|
||
}
|
||
editor.annotationElementId = data.id || null;
|
||
editor._initialData = initialData;
|
||
const [pageWidth, pageHeight] = editor.pageDimensions;
|
||
const [pageX, pageY] = editor.pageTranslation;
|
||
if (quadPoints) {
|
||
const boxes = editor.#boxes = [];
|
||
for (let i = 0; i < quadPoints.length; i += 8) {
|
||
boxes.push({
|
||
x: (quadPoints[i] - pageX) / pageWidth,
|
||
y: 1 - (quadPoints[i + 1] - pageY) / pageHeight,
|
||
width: (quadPoints[i + 2] - quadPoints[i]) / pageWidth,
|
||
height: (quadPoints[i + 1] - quadPoints[i + 5]) / pageHeight
|
||
});
|
||
}
|
||
editor.#createOutlines();
|
||
editor.#addToDrawLayer();
|
||
editor.rotate(editor.rotation);
|
||
} else if (inkLists) {
|
||
editor.#isFreeHighlight = true;
|
||
const points = inkLists[0];
|
||
const point = {
|
||
x: points[0] - pageX,
|
||
y: pageHeight - (points[1] - pageY)
|
||
};
|
||
const outliner = new FreeHighlightOutliner(point, [0, 0, pageWidth, pageHeight], 1, editor.#thickness / 2, true, 0.001);
|
||
for (let i = 0, ii = points.length; i < ii; i += 2) {
|
||
point.x = points[i] - pageX;
|
||
point.y = pageHeight - (points[i + 1] - pageY);
|
||
outliner.add(point);
|
||
}
|
||
const {
|
||
id,
|
||
clipPathId
|
||
} = parent.drawLayer.draw({
|
||
bbox: [0, 0, 1, 1],
|
||
root: {
|
||
viewBox: "0 0 1 1",
|
||
fill: editor.color,
|
||
"fill-opacity": editor._defaultOpacity
|
||
},
|
||
rootClass: {
|
||
highlight: true,
|
||
free: true
|
||
},
|
||
path: {
|
||
d: outliner.toSVGPath()
|
||
}
|
||
}, true, true);
|
||
editor.#createFreeOutlines({
|
||
highlightOutlines: outliner.getOutlines(),
|
||
highlightId: id,
|
||
clipPathId
|
||
});
|
||
editor.#addToDrawLayer();
|
||
}
|
||
return editor;
|
||
}
|
||
serialize(isForCopying = false) {
|
||
if (this.isEmpty() || isForCopying) {
|
||
return null;
|
||
}
|
||
if (this.deleted) {
|
||
return this.serializeDeleted();
|
||
}
|
||
const rect = this.getRect(0, 0);
|
||
const color = AnnotationEditor._colorManager.convert(this.color);
|
||
const serialized = {
|
||
annotationType: AnnotationEditorType.HIGHLIGHT,
|
||
color,
|
||
opacity: this.#opacity,
|
||
thickness: this.#thickness,
|
||
quadPoints: this.#serializeBoxes(),
|
||
outlines: this.#serializeOutlines(rect),
|
||
pageIndex: this.pageIndex,
|
||
rect,
|
||
rotation: this.#getRotation(),
|
||
structTreeParentId: this._structTreeParentId
|
||
};
|
||
if (this.annotationElementId && !this.#hasElementChanged(serialized)) {
|
||
return null;
|
||
}
|
||
serialized.id = this.annotationElementId;
|
||
return serialized;
|
||
}
|
||
#hasElementChanged(serialized) {
|
||
const {
|
||
color
|
||
} = this._initialData;
|
||
return serialized.color.some((c, i) => c !== color[i]);
|
||
}
|
||
renderAnnotationElement(annotation) {
|
||
annotation.updateEdited({
|
||
rect: this.getRect(0, 0)
|
||
});
|
||
return null;
|
||
}
|
||
static canCreateNewEmptyEditor() {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/draw.js
|
||
|
||
|
||
|
||
class DrawingOptions {
|
||
#svgProperties = Object.create(null);
|
||
updateProperty(name, value) {
|
||
this[name] = value;
|
||
this.updateSVGProperty(name, value);
|
||
}
|
||
updateProperties(properties) {
|
||
if (!properties) {
|
||
return;
|
||
}
|
||
for (const [name, value] of Object.entries(properties)) {
|
||
this.updateProperty(name, value);
|
||
}
|
||
}
|
||
updateSVGProperty(name, value) {
|
||
this.#svgProperties[name] = value;
|
||
}
|
||
toSVGProperties() {
|
||
const root = this.#svgProperties;
|
||
this.#svgProperties = Object.create(null);
|
||
return {
|
||
root
|
||
};
|
||
}
|
||
reset() {
|
||
this.#svgProperties = Object.create(null);
|
||
}
|
||
updateAll(options = this) {
|
||
this.updateProperties(options);
|
||
}
|
||
clone() {
|
||
unreachable("Not implemented");
|
||
}
|
||
}
|
||
class DrawingEditor extends AnnotationEditor {
|
||
#drawOutlines = null;
|
||
#mustBeCommitted;
|
||
_drawId = null;
|
||
static _currentDrawId = -1;
|
||
static _currentParent = null;
|
||
static #currentDraw = null;
|
||
static #currentDrawingAC = null;
|
||
static #currentDrawingOptions = null;
|
||
static #currentPointerId = NaN;
|
||
static #currentPointerType = null;
|
||
static #currentPointerIds = null;
|
||
static #currentMoveTimestamp = NaN;
|
||
static _INNER_MARGIN = 3;
|
||
constructor(params) {
|
||
super(params);
|
||
this.#mustBeCommitted = params.mustBeCommitted || false;
|
||
if (params.drawOutlines) {
|
||
this.#createDrawOutlines(params);
|
||
this.#addToDrawLayer();
|
||
}
|
||
}
|
||
#createDrawOutlines({
|
||
drawOutlines,
|
||
drawId,
|
||
drawingOptions
|
||
}) {
|
||
this.#drawOutlines = drawOutlines;
|
||
this._drawingOptions ||= drawingOptions;
|
||
if (drawId >= 0) {
|
||
this._drawId = drawId;
|
||
this.parent.drawLayer.finalizeDraw(drawId, drawOutlines.defaultProperties);
|
||
} else {
|
||
this._drawId = this.#createDrawing(drawOutlines, this.parent);
|
||
}
|
||
this.#updateBbox(drawOutlines.box);
|
||
}
|
||
#createDrawing(drawOutlines, parent) {
|
||
const {
|
||
id
|
||
} = parent.drawLayer.draw(DrawingEditor._mergeSVGProperties(this._drawingOptions.toSVGProperties(), drawOutlines.defaultSVGProperties), false, false);
|
||
return id;
|
||
}
|
||
static _mergeSVGProperties(p1, p2) {
|
||
const p1Keys = new Set(Object.keys(p1));
|
||
for (const [key, value] of Object.entries(p2)) {
|
||
if (p1Keys.has(key)) {
|
||
Object.assign(p1[key], value);
|
||
} else {
|
||
p1[key] = value;
|
||
}
|
||
}
|
||
return p1;
|
||
}
|
||
static getDefaultDrawingOptions(_options) {
|
||
unreachable("Not implemented");
|
||
}
|
||
static get typesMap() {
|
||
unreachable("Not implemented");
|
||
}
|
||
static get isDrawer() {
|
||
return true;
|
||
}
|
||
static get supportMultipleDrawings() {
|
||
return false;
|
||
}
|
||
static updateDefaultParams(type, value) {
|
||
const propertyName = this.typesMap.get(type);
|
||
if (propertyName) {
|
||
this._defaultDrawingOptions.updateProperty(propertyName, value);
|
||
}
|
||
if (this._currentParent) {
|
||
DrawingEditor.#currentDraw.updateProperty(propertyName, value);
|
||
this._currentParent.drawLayer.updateProperties(this._currentDrawId, this._defaultDrawingOptions.toSVGProperties());
|
||
}
|
||
}
|
||
updateParams(type, value) {
|
||
const propertyName = this.constructor.typesMap.get(type);
|
||
if (propertyName) {
|
||
this._updateProperty(type, propertyName, value);
|
||
}
|
||
}
|
||
static get defaultPropertiesToUpdate() {
|
||
const properties = [];
|
||
const options = this._defaultDrawingOptions;
|
||
for (const [type, name] of this.typesMap) {
|
||
properties.push([type, options[name]]);
|
||
}
|
||
return properties;
|
||
}
|
||
get propertiesToUpdate() {
|
||
const properties = [];
|
||
const {
|
||
_drawingOptions
|
||
} = this;
|
||
for (const [type, name] of this.constructor.typesMap) {
|
||
properties.push([type, _drawingOptions[name]]);
|
||
}
|
||
return properties;
|
||
}
|
||
_updateProperty(type, name, value) {
|
||
const options = this._drawingOptions;
|
||
const savedValue = options[name];
|
||
const setter = val => {
|
||
options.updateProperty(name, val);
|
||
const bbox = this.#drawOutlines.updateProperty(name, val);
|
||
if (bbox) {
|
||
this.#updateBbox(bbox);
|
||
}
|
||
this.parent?.drawLayer.updateProperties(this._drawId, options.toSVGProperties());
|
||
};
|
||
this.addCommands({
|
||
cmd: setter.bind(this, value),
|
||
undo: setter.bind(this, savedValue),
|
||
post: this._uiManager.updateUI.bind(this._uiManager, this),
|
||
mustExec: true,
|
||
type,
|
||
overwriteIfSameType: true,
|
||
keepUndo: true
|
||
});
|
||
}
|
||
_onResizing() {
|
||
this.parent?.drawLayer.updateProperties(this._drawId, DrawingEditor._mergeSVGProperties(this.#drawOutlines.getPathResizingSVGProperties(this.#convertToDrawSpace()), {
|
||
bbox: this.#rotateBox()
|
||
}));
|
||
}
|
||
_onResized() {
|
||
this.parent?.drawLayer.updateProperties(this._drawId, DrawingEditor._mergeSVGProperties(this.#drawOutlines.getPathResizedSVGProperties(this.#convertToDrawSpace()), {
|
||
bbox: this.#rotateBox()
|
||
}));
|
||
}
|
||
_onTranslating(x, y) {
|
||
this.parent?.drawLayer.updateProperties(this._drawId, {
|
||
bbox: this.#rotateBox(x, y)
|
||
});
|
||
}
|
||
_onTranslated() {
|
||
this.parent?.drawLayer.updateProperties(this._drawId, DrawingEditor._mergeSVGProperties(this.#drawOutlines.getPathTranslatedSVGProperties(this.#convertToDrawSpace(), this.parentDimensions), {
|
||
bbox: this.#rotateBox()
|
||
}));
|
||
}
|
||
_onStartDragging() {
|
||
this.parent?.drawLayer.updateProperties(this._drawId, {
|
||
rootClass: {
|
||
moving: true
|
||
}
|
||
});
|
||
}
|
||
_onStopDragging() {
|
||
this.parent?.drawLayer.updateProperties(this._drawId, {
|
||
rootClass: {
|
||
moving: false
|
||
}
|
||
});
|
||
}
|
||
commit() {
|
||
super.commit();
|
||
this.disableEditMode();
|
||
this.disableEditing();
|
||
}
|
||
disableEditing() {
|
||
super.disableEditing();
|
||
this.div.classList.toggle("disabled", true);
|
||
}
|
||
enableEditing() {
|
||
super.enableEditing();
|
||
this.div.classList.toggle("disabled", false);
|
||
}
|
||
getBaseTranslation() {
|
||
return [0, 0];
|
||
}
|
||
get isResizable() {
|
||
return true;
|
||
}
|
||
onceAdded(focus) {
|
||
if (!this.annotationElementId) {
|
||
this.parent.addUndoableEditor(this);
|
||
}
|
||
this._isDraggable = true;
|
||
if (this.#mustBeCommitted) {
|
||
this.#mustBeCommitted = false;
|
||
this.commit();
|
||
this.parent.setSelected(this);
|
||
if (focus && this.isOnScreen) {
|
||
this.div.focus();
|
||
}
|
||
}
|
||
}
|
||
remove() {
|
||
this.#cleanDrawLayer();
|
||
super.remove();
|
||
}
|
||
rebuild() {
|
||
if (!this.parent) {
|
||
return;
|
||
}
|
||
super.rebuild();
|
||
if (this.div === null) {
|
||
return;
|
||
}
|
||
this.#addToDrawLayer();
|
||
this.#updateBbox(this.#drawOutlines.box);
|
||
if (!this.isAttachedToDOM) {
|
||
this.parent.add(this);
|
||
}
|
||
}
|
||
setParent(parent) {
|
||
let mustBeSelected = false;
|
||
if (this.parent && !parent) {
|
||
this._uiManager.removeShouldRescale(this);
|
||
this.#cleanDrawLayer();
|
||
} else if (parent) {
|
||
this._uiManager.addShouldRescale(this);
|
||
this.#addToDrawLayer(parent);
|
||
mustBeSelected = !this.parent && this.div?.classList.contains("selectedEditor");
|
||
}
|
||
super.setParent(parent);
|
||
if (mustBeSelected) {
|
||
this.select();
|
||
}
|
||
}
|
||
#cleanDrawLayer() {
|
||
if (this._drawId === null || !this.parent) {
|
||
return;
|
||
}
|
||
this.parent.drawLayer.remove(this._drawId);
|
||
this._drawId = null;
|
||
this._drawingOptions.reset();
|
||
}
|
||
#addToDrawLayer(parent = this.parent) {
|
||
if (this._drawId !== null && this.parent === parent) {
|
||
return;
|
||
}
|
||
if (this._drawId !== null) {
|
||
this.parent.drawLayer.updateParent(this._drawId, parent.drawLayer);
|
||
return;
|
||
}
|
||
this._drawingOptions.updateAll();
|
||
this._drawId = this.#createDrawing(this.#drawOutlines, parent);
|
||
}
|
||
#convertToParentSpace([x, y, width, height]) {
|
||
const {
|
||
parentDimensions: [pW, pH],
|
||
rotation
|
||
} = this;
|
||
switch (rotation) {
|
||
case 90:
|
||
return [y, 1 - x, width * (pH / pW), height * (pW / pH)];
|
||
case 180:
|
||
return [1 - x, 1 - y, width, height];
|
||
case 270:
|
||
return [1 - y, x, width * (pH / pW), height * (pW / pH)];
|
||
default:
|
||
return [x, y, width, height];
|
||
}
|
||
}
|
||
#convertToDrawSpace() {
|
||
const {
|
||
x,
|
||
y,
|
||
width,
|
||
height,
|
||
parentDimensions: [pW, pH],
|
||
rotation
|
||
} = this;
|
||
switch (rotation) {
|
||
case 90:
|
||
return [1 - y, x, width * (pW / pH), height * (pH / pW)];
|
||
case 180:
|
||
return [1 - x, 1 - y, width, height];
|
||
case 270:
|
||
return [y, 1 - x, width * (pW / pH), height * (pH / pW)];
|
||
default:
|
||
return [x, y, width, height];
|
||
}
|
||
}
|
||
#updateBbox(bbox) {
|
||
[this.x, this.y, this.width, this.height] = this.#convertToParentSpace(bbox);
|
||
if (this.div) {
|
||
this.fixAndSetPosition();
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
this.setDims(this.width * parentWidth, this.height * parentHeight);
|
||
}
|
||
this._onResized();
|
||
}
|
||
#rotateBox() {
|
||
const {
|
||
x,
|
||
y,
|
||
width,
|
||
height,
|
||
rotation,
|
||
parentRotation,
|
||
parentDimensions: [pW, pH]
|
||
} = this;
|
||
switch ((rotation * 4 + parentRotation) / 90) {
|
||
case 1:
|
||
return [1 - y - height, x, height, width];
|
||
case 2:
|
||
return [1 - x - width, 1 - y - height, width, height];
|
||
case 3:
|
||
return [y, 1 - x - width, height, width];
|
||
case 4:
|
||
return [x, y - width * (pW / pH), height * (pH / pW), width * (pW / pH)];
|
||
case 5:
|
||
return [1 - y, x, width * (pW / pH), height * (pH / pW)];
|
||
case 6:
|
||
return [1 - x - height * (pH / pW), 1 - y, height * (pH / pW), width * (pW / pH)];
|
||
case 7:
|
||
return [y - width * (pW / pH), 1 - x - height * (pH / pW), width * (pW / pH), height * (pH / pW)];
|
||
case 8:
|
||
return [x - width, y - height, width, height];
|
||
case 9:
|
||
return [1 - y, x - width, height, width];
|
||
case 10:
|
||
return [1 - x, 1 - y, width, height];
|
||
case 11:
|
||
return [y - height, 1 - x, height, width];
|
||
case 12:
|
||
return [x - height * (pH / pW), y, height * (pH / pW), width * (pW / pH)];
|
||
case 13:
|
||
return [1 - y - width * (pW / pH), x - height * (pH / pW), width * (pW / pH), height * (pH / pW)];
|
||
case 14:
|
||
return [1 - x, 1 - y - width * (pW / pH), height * (pH / pW), width * (pW / pH)];
|
||
case 15:
|
||
return [y, 1 - x, width * (pW / pH), height * (pH / pW)];
|
||
default:
|
||
return [x, y, width, height];
|
||
}
|
||
}
|
||
rotate() {
|
||
if (!this.parent) {
|
||
return;
|
||
}
|
||
this.parent.drawLayer.updateProperties(this._drawId, DrawingEditor._mergeSVGProperties({
|
||
bbox: this.#rotateBox()
|
||
}, this.#drawOutlines.updateRotation((this.parentRotation - this.rotation + 360) % 360)));
|
||
}
|
||
onScaleChanging() {
|
||
if (!this.parent) {
|
||
return;
|
||
}
|
||
this.#updateBbox(this.#drawOutlines.updateParentDimensions(this.parentDimensions, this.parent.scale));
|
||
}
|
||
static onScaleChangingWhenDrawing() {}
|
||
render() {
|
||
if (this.div) {
|
||
return this.div;
|
||
}
|
||
const div = super.render();
|
||
div.classList.add("draw");
|
||
const drawDiv = document.createElement("div");
|
||
div.append(drawDiv);
|
||
drawDiv.setAttribute("aria-hidden", "true");
|
||
drawDiv.className = "internal";
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
this.setDims(this.width * parentWidth, this.height * parentHeight);
|
||
this._uiManager.addShouldRescale(this);
|
||
this.disableEditing();
|
||
return div;
|
||
}
|
||
static createDrawerInstance(_x, _y, _parentWidth, _parentHeight, _rotation) {
|
||
unreachable("Not implemented");
|
||
}
|
||
static startDrawing(parent, uiManager, _isLTR, event) {
|
||
const {
|
||
target,
|
||
offsetX: x,
|
||
offsetY: y,
|
||
pointerId,
|
||
pointerType
|
||
} = event;
|
||
if (DrawingEditor.#currentPointerType && DrawingEditor.#currentPointerType !== pointerType) {
|
||
return;
|
||
}
|
||
const {
|
||
viewport: {
|
||
rotation
|
||
}
|
||
} = parent;
|
||
const {
|
||
width: parentWidth,
|
||
height: parentHeight
|
||
} = target.getBoundingClientRect();
|
||
const ac = DrawingEditor.#currentDrawingAC = new AbortController();
|
||
const signal = parent.combinedSignal(ac);
|
||
DrawingEditor.#currentPointerId ||= pointerId;
|
||
DrawingEditor.#currentPointerType ??= pointerType;
|
||
window.addEventListener("pointerup", e => {
|
||
if (DrawingEditor.#currentPointerId === e.pointerId) {
|
||
this._endDraw(e);
|
||
} else {
|
||
DrawingEditor.#currentPointerIds?.delete(e.pointerId);
|
||
}
|
||
}, {
|
||
signal
|
||
});
|
||
window.addEventListener("pointercancel", e => {
|
||
if (DrawingEditor.#currentPointerId === e.pointerId) {
|
||
this._currentParent.endDrawingSession();
|
||
} else {
|
||
DrawingEditor.#currentPointerIds?.delete(e.pointerId);
|
||
}
|
||
}, {
|
||
signal
|
||
});
|
||
window.addEventListener("pointerdown", e => {
|
||
if (DrawingEditor.#currentPointerType !== e.pointerType) {
|
||
return;
|
||
}
|
||
(DrawingEditor.#currentPointerIds ||= new Set()).add(e.pointerId);
|
||
if (DrawingEditor.#currentDraw.isCancellable()) {
|
||
DrawingEditor.#currentDraw.removeLastElement();
|
||
if (DrawingEditor.#currentDraw.isEmpty()) {
|
||
this._currentParent.endDrawingSession(true);
|
||
} else {
|
||
this._endDraw(null);
|
||
}
|
||
}
|
||
}, {
|
||
capture: true,
|
||
passive: false,
|
||
signal
|
||
});
|
||
window.addEventListener("contextmenu", noContextMenu, {
|
||
signal
|
||
});
|
||
target.addEventListener("pointermove", this._drawMove.bind(this), {
|
||
signal
|
||
});
|
||
target.addEventListener("touchmove", e => {
|
||
if (e.timeStamp === DrawingEditor.#currentMoveTimestamp) {
|
||
stopEvent(e);
|
||
}
|
||
}, {
|
||
signal
|
||
});
|
||
parent.toggleDrawing();
|
||
uiManager._editorUndoBar?.hide();
|
||
if (DrawingEditor.#currentDraw) {
|
||
parent.drawLayer.updateProperties(this._currentDrawId, DrawingEditor.#currentDraw.startNew(x, y, parentWidth, parentHeight, rotation));
|
||
return;
|
||
}
|
||
uiManager.updateUIForDefaultProperties(this);
|
||
DrawingEditor.#currentDraw = this.createDrawerInstance(x, y, parentWidth, parentHeight, rotation);
|
||
DrawingEditor.#currentDrawingOptions = this.getDefaultDrawingOptions();
|
||
this._currentParent = parent;
|
||
({
|
||
id: this._currentDrawId
|
||
} = parent.drawLayer.draw(this._mergeSVGProperties(DrawingEditor.#currentDrawingOptions.toSVGProperties(), DrawingEditor.#currentDraw.defaultSVGProperties), true, false));
|
||
}
|
||
static _drawMove(event) {
|
||
DrawingEditor.#currentMoveTimestamp = -1;
|
||
if (!DrawingEditor.#currentDraw) {
|
||
return;
|
||
}
|
||
const {
|
||
offsetX,
|
||
offsetY,
|
||
pointerId
|
||
} = event;
|
||
if (DrawingEditor.#currentPointerId !== pointerId) {
|
||
return;
|
||
}
|
||
if (DrawingEditor.#currentPointerIds?.size >= 1) {
|
||
this._endDraw(event);
|
||
return;
|
||
}
|
||
this._currentParent.drawLayer.updateProperties(this._currentDrawId, DrawingEditor.#currentDraw.add(offsetX, offsetY));
|
||
DrawingEditor.#currentMoveTimestamp = event.timeStamp;
|
||
stopEvent(event);
|
||
}
|
||
static _cleanup(all) {
|
||
if (all) {
|
||
this._currentDrawId = -1;
|
||
this._currentParent = null;
|
||
DrawingEditor.#currentDraw = null;
|
||
DrawingEditor.#currentDrawingOptions = null;
|
||
DrawingEditor.#currentPointerType = null;
|
||
DrawingEditor.#currentMoveTimestamp = NaN;
|
||
}
|
||
if (DrawingEditor.#currentDrawingAC) {
|
||
DrawingEditor.#currentDrawingAC.abort();
|
||
DrawingEditor.#currentDrawingAC = null;
|
||
DrawingEditor.#currentPointerId = NaN;
|
||
DrawingEditor.#currentPointerIds = null;
|
||
}
|
||
}
|
||
static _endDraw(event) {
|
||
const parent = this._currentParent;
|
||
if (!parent) {
|
||
return;
|
||
}
|
||
parent.toggleDrawing(true);
|
||
this._cleanup(false);
|
||
if (event) {
|
||
parent.drawLayer.updateProperties(this._currentDrawId, DrawingEditor.#currentDraw.end(event.offsetX, event.offsetY));
|
||
}
|
||
if (this.supportMultipleDrawings) {
|
||
const draw = DrawingEditor.#currentDraw;
|
||
const drawId = this._currentDrawId;
|
||
const lastElement = draw.getLastElement();
|
||
parent.addCommands({
|
||
cmd: () => {
|
||
parent.drawLayer.updateProperties(drawId, draw.setLastElement(lastElement));
|
||
},
|
||
undo: () => {
|
||
parent.drawLayer.updateProperties(drawId, draw.removeLastElement());
|
||
},
|
||
mustExec: false,
|
||
type: AnnotationEditorParamsType.DRAW_STEP
|
||
});
|
||
return;
|
||
}
|
||
this.endDrawing(false);
|
||
}
|
||
static endDrawing(isAborted) {
|
||
const parent = this._currentParent;
|
||
if (!parent) {
|
||
return null;
|
||
}
|
||
parent.toggleDrawing(true);
|
||
parent.cleanUndoStack(AnnotationEditorParamsType.DRAW_STEP);
|
||
if (!DrawingEditor.#currentDraw.isEmpty()) {
|
||
const {
|
||
pageDimensions: [pageWidth, pageHeight],
|
||
scale
|
||
} = parent;
|
||
const editor = parent.createAndAddNewEditor({
|
||
offsetX: 0,
|
||
offsetY: 0
|
||
}, false, {
|
||
drawId: this._currentDrawId,
|
||
drawOutlines: DrawingEditor.#currentDraw.getOutlines(pageWidth * scale, pageHeight * scale, scale, this._INNER_MARGIN),
|
||
drawingOptions: DrawingEditor.#currentDrawingOptions,
|
||
mustBeCommitted: !isAborted
|
||
});
|
||
this._cleanup(true);
|
||
return editor;
|
||
}
|
||
parent.drawLayer.remove(this._currentDrawId);
|
||
this._cleanup(true);
|
||
return null;
|
||
}
|
||
createDrawingOptions(_data) {}
|
||
static deserializeDraw(_pageX, _pageY, _pageWidth, _pageHeight, _innerWidth, _data) {
|
||
unreachable("Not implemented");
|
||
}
|
||
static async deserialize(data, parent, uiManager) {
|
||
const {
|
||
rawDims: {
|
||
pageWidth,
|
||
pageHeight,
|
||
pageX,
|
||
pageY
|
||
}
|
||
} = parent.viewport;
|
||
const drawOutlines = this.deserializeDraw(pageX, pageY, pageWidth, pageHeight, this._INNER_MARGIN, data);
|
||
const editor = await super.deserialize(data, parent, uiManager);
|
||
editor.createDrawingOptions(data);
|
||
editor.#createDrawOutlines({
|
||
drawOutlines
|
||
});
|
||
editor.#addToDrawLayer();
|
||
editor.onScaleChanging();
|
||
editor.rotate();
|
||
return editor;
|
||
}
|
||
serializeDraw(isForCopying) {
|
||
const [pageX, pageY] = this.pageTranslation;
|
||
const [pageWidth, pageHeight] = this.pageDimensions;
|
||
return this.#drawOutlines.serialize([pageX, pageY, pageWidth, pageHeight], isForCopying);
|
||
}
|
||
renderAnnotationElement(annotation) {
|
||
annotation.updateEdited({
|
||
rect: this.getRect(0, 0)
|
||
});
|
||
return null;
|
||
}
|
||
static canCreateNewEmptyEditor() {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/drawers/inkdraw.js
|
||
|
||
|
||
class InkDrawOutliner {
|
||
#last = new Float64Array(6);
|
||
#line;
|
||
#lines;
|
||
#rotation;
|
||
#thickness;
|
||
#points;
|
||
#lastSVGPath = "";
|
||
#lastIndex = 0;
|
||
#outlines = new InkDrawOutline();
|
||
#parentWidth;
|
||
#parentHeight;
|
||
constructor(x, y, parentWidth, parentHeight, rotation, thickness) {
|
||
this.#parentWidth = parentWidth;
|
||
this.#parentHeight = parentHeight;
|
||
this.#rotation = rotation;
|
||
this.#thickness = thickness;
|
||
[x, y] = this.#normalizePoint(x, y);
|
||
const line = this.#line = [NaN, NaN, NaN, NaN, x, y];
|
||
this.#points = [x, y];
|
||
this.#lines = [{
|
||
line,
|
||
points: this.#points
|
||
}];
|
||
this.#last.set(line, 0);
|
||
}
|
||
updateProperty(name, value) {
|
||
if (name === "stroke-width") {
|
||
this.#thickness = value;
|
||
}
|
||
}
|
||
#normalizePoint(x, y) {
|
||
return Outline._normalizePoint(x, y, this.#parentWidth, this.#parentHeight, this.#rotation);
|
||
}
|
||
isEmpty() {
|
||
return !this.#lines || this.#lines.length === 0;
|
||
}
|
||
isCancellable() {
|
||
return this.#points.length <= 10;
|
||
}
|
||
add(x, y) {
|
||
[x, y] = this.#normalizePoint(x, y);
|
||
const [x1, y1, x2, y2] = this.#last.subarray(2, 6);
|
||
const diffX = x - x2;
|
||
const diffY = y - y2;
|
||
const d = Math.hypot(this.#parentWidth * diffX, this.#parentHeight * diffY);
|
||
if (d <= 2) {
|
||
return null;
|
||
}
|
||
this.#points.push(x, y);
|
||
if (isNaN(x1)) {
|
||
this.#last.set([x2, y2, x, y], 2);
|
||
this.#line.push(NaN, NaN, NaN, NaN, x, y);
|
||
return {
|
||
path: {
|
||
d: this.toSVGPath()
|
||
}
|
||
};
|
||
}
|
||
if (isNaN(this.#last[0])) {
|
||
this.#line.splice(6, 6);
|
||
}
|
||
this.#last.set([x1, y1, x2, y2, x, y], 0);
|
||
this.#line.push(...Outline.createBezierPoints(x1, y1, x2, y2, x, y));
|
||
return {
|
||
path: {
|
||
d: this.toSVGPath()
|
||
}
|
||
};
|
||
}
|
||
end(x, y) {
|
||
const change = this.add(x, y);
|
||
if (change) {
|
||
return change;
|
||
}
|
||
if (this.#points.length === 2) {
|
||
return {
|
||
path: {
|
||
d: this.toSVGPath()
|
||
}
|
||
};
|
||
}
|
||
return null;
|
||
}
|
||
startNew(x, y, parentWidth, parentHeight, rotation) {
|
||
this.#parentWidth = parentWidth;
|
||
this.#parentHeight = parentHeight;
|
||
this.#rotation = rotation;
|
||
[x, y] = this.#normalizePoint(x, y);
|
||
const line = this.#line = [NaN, NaN, NaN, NaN, x, y];
|
||
this.#points = [x, y];
|
||
const last = this.#lines.at(-1);
|
||
if (last) {
|
||
last.line = new Float32Array(last.line);
|
||
last.points = new Float32Array(last.points);
|
||
}
|
||
this.#lines.push({
|
||
line,
|
||
points: this.#points
|
||
});
|
||
this.#last.set(line, 0);
|
||
this.#lastIndex = 0;
|
||
this.toSVGPath();
|
||
return null;
|
||
}
|
||
getLastElement() {
|
||
return this.#lines.at(-1);
|
||
}
|
||
setLastElement(element) {
|
||
if (!this.#lines) {
|
||
return this.#outlines.setLastElement(element);
|
||
}
|
||
this.#lines.push(element);
|
||
this.#line = element.line;
|
||
this.#points = element.points;
|
||
this.#lastIndex = 0;
|
||
return {
|
||
path: {
|
||
d: this.toSVGPath()
|
||
}
|
||
};
|
||
}
|
||
removeLastElement() {
|
||
if (!this.#lines) {
|
||
return this.#outlines.removeLastElement();
|
||
}
|
||
this.#lines.pop();
|
||
this.#lastSVGPath = "";
|
||
for (let i = 0, ii = this.#lines.length; i < ii; i++) {
|
||
const {
|
||
line,
|
||
points
|
||
} = this.#lines[i];
|
||
this.#line = line;
|
||
this.#points = points;
|
||
this.#lastIndex = 0;
|
||
this.toSVGPath();
|
||
}
|
||
return {
|
||
path: {
|
||
d: this.#lastSVGPath
|
||
}
|
||
};
|
||
}
|
||
toSVGPath() {
|
||
const firstX = Outline.svgRound(this.#line[4]);
|
||
const firstY = Outline.svgRound(this.#line[5]);
|
||
if (this.#points.length === 2) {
|
||
this.#lastSVGPath = `${this.#lastSVGPath} M ${firstX} ${firstY} Z`;
|
||
return this.#lastSVGPath;
|
||
}
|
||
if (this.#points.length <= 6) {
|
||
const i = this.#lastSVGPath.lastIndexOf("M");
|
||
this.#lastSVGPath = `${this.#lastSVGPath.slice(0, i)} M ${firstX} ${firstY}`;
|
||
this.#lastIndex = 6;
|
||
}
|
||
if (this.#points.length === 4) {
|
||
const secondX = Outline.svgRound(this.#line[10]);
|
||
const secondY = Outline.svgRound(this.#line[11]);
|
||
this.#lastSVGPath = `${this.#lastSVGPath} L ${secondX} ${secondY}`;
|
||
this.#lastIndex = 12;
|
||
return this.#lastSVGPath;
|
||
}
|
||
const buffer = [];
|
||
if (this.#lastIndex === 0) {
|
||
buffer.push(`M ${firstX} ${firstY}`);
|
||
this.#lastIndex = 6;
|
||
}
|
||
for (let i = this.#lastIndex, ii = this.#line.length; i < ii; i += 6) {
|
||
const [c1x, c1y, c2x, c2y, x, y] = this.#line.slice(i, i + 6).map(Outline.svgRound);
|
||
buffer.push(`C${c1x} ${c1y} ${c2x} ${c2y} ${x} ${y}`);
|
||
}
|
||
this.#lastSVGPath += buffer.join(" ");
|
||
this.#lastIndex = this.#line.length;
|
||
return this.#lastSVGPath;
|
||
}
|
||
getOutlines(parentWidth, parentHeight, scale, innerMargin) {
|
||
const last = this.#lines.at(-1);
|
||
last.line = new Float32Array(last.line);
|
||
last.points = new Float32Array(last.points);
|
||
this.#outlines.build(this.#lines, parentWidth, parentHeight, scale, this.#rotation, this.#thickness, innerMargin);
|
||
this.#last = null;
|
||
this.#line = null;
|
||
this.#lines = null;
|
||
this.#lastSVGPath = null;
|
||
return this.#outlines;
|
||
}
|
||
get defaultSVGProperties() {
|
||
return {
|
||
root: {
|
||
viewBox: "0 0 10000 10000"
|
||
},
|
||
rootClass: {
|
||
draw: true
|
||
},
|
||
bbox: [0, 0, 1, 1]
|
||
};
|
||
}
|
||
}
|
||
class InkDrawOutline extends Outline {
|
||
#bbox;
|
||
#currentRotation = 0;
|
||
#innerMargin;
|
||
#lines;
|
||
#parentWidth;
|
||
#parentHeight;
|
||
#parentScale;
|
||
#rotation;
|
||
#thickness;
|
||
build(lines, parentWidth, parentHeight, parentScale, rotation, thickness, innerMargin) {
|
||
this.#parentWidth = parentWidth;
|
||
this.#parentHeight = parentHeight;
|
||
this.#parentScale = parentScale;
|
||
this.#rotation = rotation;
|
||
this.#thickness = thickness;
|
||
this.#innerMargin = innerMargin ?? 0;
|
||
this.#lines = lines;
|
||
this.#computeBbox();
|
||
}
|
||
setLastElement(element) {
|
||
this.#lines.push(element);
|
||
return {
|
||
path: {
|
||
d: this.toSVGPath()
|
||
}
|
||
};
|
||
}
|
||
removeLastElement() {
|
||
this.#lines.pop();
|
||
return {
|
||
path: {
|
||
d: this.toSVGPath()
|
||
}
|
||
};
|
||
}
|
||
toSVGPath() {
|
||
const buffer = [];
|
||
for (const {
|
||
line
|
||
} of this.#lines) {
|
||
buffer.push(`M${Outline.svgRound(line[4])} ${Outline.svgRound(line[5])}`);
|
||
if (line.length === 6) {
|
||
buffer.push("Z");
|
||
continue;
|
||
}
|
||
if (line.length === 12) {
|
||
buffer.push(`L${Outline.svgRound(line[10])} ${Outline.svgRound(line[11])}`);
|
||
continue;
|
||
}
|
||
for (let i = 6, ii = line.length; i < ii; i += 6) {
|
||
const [c1x, c1y, c2x, c2y, x, y] = line.subarray(i, i + 6).map(Outline.svgRound);
|
||
buffer.push(`C${c1x} ${c1y} ${c2x} ${c2y} ${x} ${y}`);
|
||
}
|
||
}
|
||
return buffer.join("");
|
||
}
|
||
serialize([pageX, pageY, pageWidth, pageHeight], isForCopying) {
|
||
const serializedLines = [];
|
||
const serializedPoints = [];
|
||
const [x, y, width, height] = this.#getBBoxWithNoMargin();
|
||
let tx, ty, sx, sy, x1, y1, x2, y2, rescaleFn;
|
||
switch (this.#rotation) {
|
||
case 0:
|
||
rescaleFn = Outline._rescale;
|
||
tx = pageX;
|
||
ty = pageY + pageHeight;
|
||
sx = pageWidth;
|
||
sy = -pageHeight;
|
||
x1 = pageX + x * pageWidth;
|
||
y1 = pageY + (1 - y - height) * pageHeight;
|
||
x2 = pageX + (x + width) * pageWidth;
|
||
y2 = pageY + (1 - y) * pageHeight;
|
||
break;
|
||
case 90:
|
||
rescaleFn = Outline._rescaleAndSwap;
|
||
tx = pageX;
|
||
ty = pageY;
|
||
sx = pageWidth;
|
||
sy = pageHeight;
|
||
x1 = pageX + y * pageWidth;
|
||
y1 = pageY + x * pageHeight;
|
||
x2 = pageX + (y + height) * pageWidth;
|
||
y2 = pageY + (x + width) * pageHeight;
|
||
break;
|
||
case 180:
|
||
rescaleFn = Outline._rescale;
|
||
tx = pageX + pageWidth;
|
||
ty = pageY;
|
||
sx = -pageWidth;
|
||
sy = pageHeight;
|
||
x1 = pageX + (1 - x - width) * pageWidth;
|
||
y1 = pageY + y * pageHeight;
|
||
x2 = pageX + (1 - x) * pageWidth;
|
||
y2 = pageY + (y + height) * pageHeight;
|
||
break;
|
||
case 270:
|
||
rescaleFn = Outline._rescaleAndSwap;
|
||
tx = pageX + pageWidth;
|
||
ty = pageY + pageHeight;
|
||
sx = -pageWidth;
|
||
sy = -pageHeight;
|
||
x1 = pageX + (1 - y - height) * pageWidth;
|
||
y1 = pageY + (1 - x - width) * pageHeight;
|
||
x2 = pageX + (1 - y) * pageWidth;
|
||
y2 = pageY + (1 - x) * pageHeight;
|
||
break;
|
||
}
|
||
for (const {
|
||
line,
|
||
points
|
||
} of this.#lines) {
|
||
serializedLines.push(rescaleFn(line, tx, ty, sx, sy, isForCopying ? new Array(line.length) : null));
|
||
serializedPoints.push(rescaleFn(points, tx, ty, sx, sy, isForCopying ? new Array(points.length) : null));
|
||
}
|
||
return {
|
||
lines: serializedLines,
|
||
points: serializedPoints,
|
||
rect: [x1, y1, x2, y2]
|
||
};
|
||
}
|
||
static deserialize(pageX, pageY, pageWidth, pageHeight, innerMargin, {
|
||
paths: {
|
||
lines,
|
||
points
|
||
},
|
||
rotation,
|
||
thickness
|
||
}) {
|
||
const newLines = [];
|
||
let tx, ty, sx, sy, rescaleFn;
|
||
switch (rotation) {
|
||
case 0:
|
||
rescaleFn = Outline._rescale;
|
||
tx = -pageX / pageWidth;
|
||
ty = pageY / pageHeight + 1;
|
||
sx = 1 / pageWidth;
|
||
sy = -1 / pageHeight;
|
||
break;
|
||
case 90:
|
||
rescaleFn = Outline._rescaleAndSwap;
|
||
tx = -pageY / pageHeight;
|
||
ty = -pageX / pageWidth;
|
||
sx = 1 / pageHeight;
|
||
sy = 1 / pageWidth;
|
||
break;
|
||
case 180:
|
||
rescaleFn = Outline._rescale;
|
||
tx = pageX / pageWidth + 1;
|
||
ty = -pageY / pageHeight;
|
||
sx = -1 / pageWidth;
|
||
sy = 1 / pageHeight;
|
||
break;
|
||
case 270:
|
||
rescaleFn = Outline._rescaleAndSwap;
|
||
tx = pageY / pageHeight + 1;
|
||
ty = pageX / pageWidth + 1;
|
||
sx = -1 / pageHeight;
|
||
sy = -1 / pageWidth;
|
||
break;
|
||
}
|
||
if (!lines) {
|
||
lines = [];
|
||
for (const point of points) {
|
||
const len = point.length;
|
||
if (len === 2) {
|
||
lines.push(new Float32Array([NaN, NaN, NaN, NaN, point[0], point[1]]));
|
||
continue;
|
||
}
|
||
if (len === 4) {
|
||
lines.push(new Float32Array([NaN, NaN, NaN, NaN, point[0], point[1], NaN, NaN, NaN, NaN, point[2], point[3]]));
|
||
continue;
|
||
}
|
||
const line = new Float32Array(3 * (len - 2));
|
||
lines.push(line);
|
||
let [x1, y1, x2, y2] = point.subarray(0, 4);
|
||
line.set([NaN, NaN, NaN, NaN, x1, y1], 0);
|
||
for (let i = 4; i < len; i += 2) {
|
||
const x = point[i];
|
||
const y = point[i + 1];
|
||
line.set(Outline.createBezierPoints(x1, y1, x2, y2, x, y), (i - 2) * 3);
|
||
[x1, y1, x2, y2] = [x2, y2, x, y];
|
||
}
|
||
}
|
||
}
|
||
for (let i = 0, ii = lines.length; i < ii; i++) {
|
||
newLines.push({
|
||
line: rescaleFn(lines[i].map(x => x ?? NaN), tx, ty, sx, sy),
|
||
points: rescaleFn(points[i].map(x => x ?? NaN), tx, ty, sx, sy)
|
||
});
|
||
}
|
||
const outlines = new InkDrawOutline();
|
||
outlines.build(newLines, pageWidth, pageHeight, 1, rotation, thickness, innerMargin);
|
||
return outlines;
|
||
}
|
||
#getMarginComponents(thickness = this.#thickness) {
|
||
const margin = this.#innerMargin + thickness / 2 * this.#parentScale;
|
||
return this.#rotation % 180 === 0 ? [margin / this.#parentWidth, margin / this.#parentHeight] : [margin / this.#parentHeight, margin / this.#parentWidth];
|
||
}
|
||
#getBBoxWithNoMargin() {
|
||
const [x, y, width, height] = this.#bbox;
|
||
const [marginX, marginY] = this.#getMarginComponents(0);
|
||
return [x + marginX, y + marginY, width - 2 * marginX, height - 2 * marginY];
|
||
}
|
||
#computeBbox() {
|
||
const bbox = this.#bbox = new Float32Array([Infinity, Infinity, -Infinity, -Infinity]);
|
||
for (const {
|
||
line
|
||
} of this.#lines) {
|
||
if (line.length <= 12) {
|
||
for (let i = 4, ii = line.length; i < ii; i += 6) {
|
||
const [x, y] = line.subarray(i, i + 2);
|
||
bbox[0] = Math.min(bbox[0], x);
|
||
bbox[1] = Math.min(bbox[1], y);
|
||
bbox[2] = Math.max(bbox[2], x);
|
||
bbox[3] = Math.max(bbox[3], y);
|
||
}
|
||
continue;
|
||
}
|
||
let lastX = line[4],
|
||
lastY = line[5];
|
||
for (let i = 6, ii = line.length; i < ii; i += 6) {
|
||
const [c1x, c1y, c2x, c2y, x, y] = line.subarray(i, i + 6);
|
||
Util.bezierBoundingBox(lastX, lastY, c1x, c1y, c2x, c2y, x, y, bbox);
|
||
lastX = x;
|
||
lastY = y;
|
||
}
|
||
}
|
||
const [marginX, marginY] = this.#getMarginComponents();
|
||
bbox[0] = Math.min(1, Math.max(0, bbox[0] - marginX));
|
||
bbox[1] = Math.min(1, Math.max(0, bbox[1] - marginY));
|
||
bbox[2] = Math.min(1, Math.max(0, bbox[2] + marginX));
|
||
bbox[3] = Math.min(1, Math.max(0, bbox[3] + marginY));
|
||
bbox[2] -= bbox[0];
|
||
bbox[3] -= bbox[1];
|
||
}
|
||
get box() {
|
||
return this.#bbox;
|
||
}
|
||
updateProperty(name, value) {
|
||
if (name === "stroke-width") {
|
||
return this.#updateThickness(value);
|
||
}
|
||
return null;
|
||
}
|
||
#updateThickness(thickness) {
|
||
const [oldMarginX, oldMarginY] = this.#getMarginComponents();
|
||
this.#thickness = thickness;
|
||
const [newMarginX, newMarginY] = this.#getMarginComponents();
|
||
const [diffMarginX, diffMarginY] = [newMarginX - oldMarginX, newMarginY - oldMarginY];
|
||
const bbox = this.#bbox;
|
||
bbox[0] -= diffMarginX;
|
||
bbox[1] -= diffMarginY;
|
||
bbox[2] += 2 * diffMarginX;
|
||
bbox[3] += 2 * diffMarginY;
|
||
return bbox;
|
||
}
|
||
updateParentDimensions([width, height], scale) {
|
||
const [oldMarginX, oldMarginY] = this.#getMarginComponents();
|
||
this.#parentWidth = width;
|
||
this.#parentHeight = height;
|
||
this.#parentScale = scale;
|
||
const [newMarginX, newMarginY] = this.#getMarginComponents();
|
||
const diffMarginX = newMarginX - oldMarginX;
|
||
const diffMarginY = newMarginY - oldMarginY;
|
||
const bbox = this.#bbox;
|
||
bbox[0] -= diffMarginX;
|
||
bbox[1] -= diffMarginY;
|
||
bbox[2] += 2 * diffMarginX;
|
||
bbox[3] += 2 * diffMarginY;
|
||
return bbox;
|
||
}
|
||
updateRotation(rotation) {
|
||
this.#currentRotation = rotation;
|
||
return {
|
||
path: {
|
||
transform: this.rotationTransform
|
||
}
|
||
};
|
||
}
|
||
get viewBox() {
|
||
return this.#bbox.map(Outline.svgRound).join(" ");
|
||
}
|
||
get defaultProperties() {
|
||
const [x, y] = this.#bbox;
|
||
return {
|
||
root: {
|
||
viewBox: this.viewBox
|
||
},
|
||
path: {
|
||
"transform-origin": `${Outline.svgRound(x)} ${Outline.svgRound(y)}`
|
||
}
|
||
};
|
||
}
|
||
get rotationTransform() {
|
||
const [,, width, height] = this.#bbox;
|
||
let a = 0,
|
||
b = 0,
|
||
c = 0,
|
||
d = 0,
|
||
e = 0,
|
||
f = 0;
|
||
switch (this.#currentRotation) {
|
||
case 90:
|
||
b = height / width;
|
||
c = -width / height;
|
||
e = width;
|
||
break;
|
||
case 180:
|
||
a = -1;
|
||
d = -1;
|
||
e = width;
|
||
f = height;
|
||
break;
|
||
case 270:
|
||
b = -height / width;
|
||
c = width / height;
|
||
f = height;
|
||
break;
|
||
default:
|
||
return "";
|
||
}
|
||
return `matrix(${a} ${b} ${c} ${d} ${Outline.svgRound(e)} ${Outline.svgRound(f)})`;
|
||
}
|
||
getPathResizingSVGProperties([newX, newY, newWidth, newHeight]) {
|
||
const [marginX, marginY] = this.#getMarginComponents();
|
||
const [x, y, width, height] = this.#bbox;
|
||
if (Math.abs(width - marginX) <= Outline.PRECISION || Math.abs(height - marginY) <= Outline.PRECISION) {
|
||
const tx = newX + newWidth / 2 - (x + width / 2);
|
||
const ty = newY + newHeight / 2 - (y + height / 2);
|
||
return {
|
||
path: {
|
||
"transform-origin": `${Outline.svgRound(newX)} ${Outline.svgRound(newY)}`,
|
||
transform: `${this.rotationTransform} translate(${tx} ${ty})`
|
||
}
|
||
};
|
||
}
|
||
const s1x = (newWidth - 2 * marginX) / (width - 2 * marginX);
|
||
const s1y = (newHeight - 2 * marginY) / (height - 2 * marginY);
|
||
const s2x = width / newWidth;
|
||
const s2y = height / newHeight;
|
||
return {
|
||
path: {
|
||
"transform-origin": `${Outline.svgRound(x)} ${Outline.svgRound(y)}`,
|
||
transform: `${this.rotationTransform} scale(${s2x} ${s2y}) ` + `translate(${Outline.svgRound(marginX)} ${Outline.svgRound(marginY)}) scale(${s1x} ${s1y}) ` + `translate(${Outline.svgRound(-marginX)} ${Outline.svgRound(-marginY)})`
|
||
}
|
||
};
|
||
}
|
||
getPathResizedSVGProperties([newX, newY, newWidth, newHeight]) {
|
||
const [marginX, marginY] = this.#getMarginComponents();
|
||
const bbox = this.#bbox;
|
||
const [x, y, width, height] = bbox;
|
||
bbox[0] = newX;
|
||
bbox[1] = newY;
|
||
bbox[2] = newWidth;
|
||
bbox[3] = newHeight;
|
||
if (Math.abs(width - marginX) <= Outline.PRECISION || Math.abs(height - marginY) <= Outline.PRECISION) {
|
||
const tx = newX + newWidth / 2 - (x + width / 2);
|
||
const ty = newY + newHeight / 2 - (y + height / 2);
|
||
for (const {
|
||
line,
|
||
points
|
||
} of this.#lines) {
|
||
Outline._translate(line, tx, ty, line);
|
||
Outline._translate(points, tx, ty, points);
|
||
}
|
||
return {
|
||
root: {
|
||
viewBox: this.viewBox
|
||
},
|
||
path: {
|
||
"transform-origin": `${Outline.svgRound(newX)} ${Outline.svgRound(newY)}`,
|
||
transform: this.rotationTransform || null,
|
||
d: this.toSVGPath()
|
||
}
|
||
};
|
||
}
|
||
const s1x = (newWidth - 2 * marginX) / (width - 2 * marginX);
|
||
const s1y = (newHeight - 2 * marginY) / (height - 2 * marginY);
|
||
const tx = -s1x * (x + marginX) + newX + marginX;
|
||
const ty = -s1y * (y + marginY) + newY + marginY;
|
||
if (s1x !== 1 || s1y !== 1 || tx !== 0 || ty !== 0) {
|
||
for (const {
|
||
line,
|
||
points
|
||
} of this.#lines) {
|
||
Outline._rescale(line, tx, ty, s1x, s1y, line);
|
||
Outline._rescale(points, tx, ty, s1x, s1y, points);
|
||
}
|
||
}
|
||
return {
|
||
root: {
|
||
viewBox: this.viewBox
|
||
},
|
||
path: {
|
||
"transform-origin": `${Outline.svgRound(newX)} ${Outline.svgRound(newY)}`,
|
||
transform: this.rotationTransform || null,
|
||
d: this.toSVGPath()
|
||
}
|
||
};
|
||
}
|
||
getPathTranslatedSVGProperties([newX, newY], parentDimensions) {
|
||
const [newParentWidth, newParentHeight] = parentDimensions;
|
||
const bbox = this.#bbox;
|
||
const tx = newX - bbox[0];
|
||
const ty = newY - bbox[1];
|
||
if (this.#parentWidth === newParentWidth && this.#parentHeight === newParentHeight) {
|
||
for (const {
|
||
line,
|
||
points
|
||
} of this.#lines) {
|
||
Outline._translate(line, tx, ty, line);
|
||
Outline._translate(points, tx, ty, points);
|
||
}
|
||
} else {
|
||
const sx = this.#parentWidth / newParentWidth;
|
||
const sy = this.#parentHeight / newParentHeight;
|
||
this.#parentWidth = newParentWidth;
|
||
this.#parentHeight = newParentHeight;
|
||
for (const {
|
||
line,
|
||
points
|
||
} of this.#lines) {
|
||
Outline._rescale(line, tx, ty, sx, sy, line);
|
||
Outline._rescale(points, tx, ty, sx, sy, points);
|
||
}
|
||
bbox[2] *= sx;
|
||
bbox[3] *= sy;
|
||
}
|
||
bbox[0] = newX;
|
||
bbox[1] = newY;
|
||
return {
|
||
root: {
|
||
viewBox: this.viewBox
|
||
},
|
||
path: {
|
||
d: this.toSVGPath(),
|
||
"transform-origin": `${Outline.svgRound(newX)} ${Outline.svgRound(newY)}`
|
||
}
|
||
};
|
||
}
|
||
get defaultSVGProperties() {
|
||
const bbox = this.#bbox;
|
||
return {
|
||
root: {
|
||
viewBox: this.viewBox
|
||
},
|
||
rootClass: {
|
||
draw: true
|
||
},
|
||
path: {
|
||
d: this.toSVGPath(),
|
||
"transform-origin": `${Outline.svgRound(bbox[0])} ${Outline.svgRound(bbox[1])}`,
|
||
transform: this.rotationTransform || null
|
||
},
|
||
bbox
|
||
};
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/ink.js
|
||
|
||
|
||
|
||
|
||
|
||
class InkDrawingOptions extends DrawingOptions {
|
||
#viewParameters;
|
||
constructor(viewerParameters) {
|
||
super();
|
||
this.#viewParameters = viewerParameters;
|
||
super.updateProperties({
|
||
fill: "none",
|
||
stroke: AnnotationEditor._defaultLineColor,
|
||
"stroke-opacity": 1,
|
||
"stroke-width": 1,
|
||
"stroke-linecap": "round",
|
||
"stroke-linejoin": "round",
|
||
"stroke-miterlimit": 10
|
||
});
|
||
}
|
||
updateSVGProperty(name, value) {
|
||
if (name === "stroke-width") {
|
||
value ??= this["stroke-width"];
|
||
value *= this.#viewParameters.realScale;
|
||
}
|
||
super.updateSVGProperty(name, value);
|
||
}
|
||
clone() {
|
||
const clone = new InkDrawingOptions(this.#viewParameters);
|
||
clone.updateAll(this);
|
||
return clone;
|
||
}
|
||
}
|
||
class InkEditor extends DrawingEditor {
|
||
static _type = "ink";
|
||
static _editorType = AnnotationEditorType.INK;
|
||
static _defaultDrawingOptions = null;
|
||
constructor(params) {
|
||
super({
|
||
...params,
|
||
name: "inkEditor"
|
||
});
|
||
this._willKeepAspectRatio = true;
|
||
}
|
||
static initialize(l10n, uiManager) {
|
||
AnnotationEditor.initialize(l10n, uiManager);
|
||
this._defaultDrawingOptions = new InkDrawingOptions(uiManager.viewParameters);
|
||
}
|
||
static getDefaultDrawingOptions(options) {
|
||
const clone = this._defaultDrawingOptions.clone();
|
||
clone.updateProperties(options);
|
||
return clone;
|
||
}
|
||
static get supportMultipleDrawings() {
|
||
return true;
|
||
}
|
||
static get typesMap() {
|
||
return shadow(this, "typesMap", new Map([[AnnotationEditorParamsType.INK_THICKNESS, "stroke-width"], [AnnotationEditorParamsType.INK_COLOR, "stroke"], [AnnotationEditorParamsType.INK_OPACITY, "stroke-opacity"]]));
|
||
}
|
||
static createDrawerInstance(x, y, parentWidth, parentHeight, rotation) {
|
||
return new InkDrawOutliner(x, y, parentWidth, parentHeight, rotation, this._defaultDrawingOptions["stroke-width"]);
|
||
}
|
||
static deserializeDraw(pageX, pageY, pageWidth, pageHeight, innerMargin, data) {
|
||
return InkDrawOutline.deserialize(pageX, pageY, pageWidth, pageHeight, innerMargin, data);
|
||
}
|
||
static async deserialize(data, parent, uiManager) {
|
||
let initialData = null;
|
||
if (data instanceof InkAnnotationElement) {
|
||
const {
|
||
data: {
|
||
inkLists,
|
||
rect,
|
||
rotation,
|
||
id,
|
||
color,
|
||
opacity,
|
||
borderStyle: {
|
||
rawWidth: thickness
|
||
},
|
||
popupRef
|
||
},
|
||
parent: {
|
||
page: {
|
||
pageNumber
|
||
}
|
||
}
|
||
} = data;
|
||
initialData = data = {
|
||
annotationType: AnnotationEditorType.INK,
|
||
color: Array.from(color),
|
||
thickness,
|
||
opacity,
|
||
paths: {
|
||
points: inkLists
|
||
},
|
||
boxes: null,
|
||
pageIndex: pageNumber - 1,
|
||
rect: rect.slice(0),
|
||
rotation,
|
||
id,
|
||
deleted: false,
|
||
popupRef
|
||
};
|
||
}
|
||
const editor = await super.deserialize(data, parent, uiManager);
|
||
editor.annotationElementId = data.id || null;
|
||
editor._initialData = initialData;
|
||
return editor;
|
||
}
|
||
onScaleChanging() {
|
||
if (!this.parent) {
|
||
return;
|
||
}
|
||
super.onScaleChanging();
|
||
const {
|
||
_drawId,
|
||
_drawingOptions,
|
||
parent
|
||
} = this;
|
||
_drawingOptions.updateSVGProperty("stroke-width");
|
||
parent.drawLayer.updateProperties(_drawId, _drawingOptions.toSVGProperties());
|
||
}
|
||
static onScaleChangingWhenDrawing() {
|
||
const parent = this._currentParent;
|
||
if (!parent) {
|
||
return;
|
||
}
|
||
super.onScaleChangingWhenDrawing();
|
||
this._defaultDrawingOptions.updateSVGProperty("stroke-width");
|
||
parent.drawLayer.updateProperties(this._currentDrawId, this._defaultDrawingOptions.toSVGProperties());
|
||
}
|
||
createDrawingOptions({
|
||
color,
|
||
thickness,
|
||
opacity
|
||
}) {
|
||
this._drawingOptions = InkEditor.getDefaultDrawingOptions({
|
||
stroke: Util.makeHexColor(...color),
|
||
"stroke-width": thickness,
|
||
"stroke-opacity": opacity
|
||
});
|
||
}
|
||
serialize(isForCopying = false) {
|
||
if (this.isEmpty()) {
|
||
return null;
|
||
}
|
||
if (this.deleted) {
|
||
return this.serializeDeleted();
|
||
}
|
||
const {
|
||
lines,
|
||
points,
|
||
rect
|
||
} = this.serializeDraw(isForCopying);
|
||
const {
|
||
_drawingOptions: {
|
||
stroke,
|
||
"stroke-opacity": opacity,
|
||
"stroke-width": thickness
|
||
}
|
||
} = this;
|
||
const serialized = {
|
||
annotationType: AnnotationEditorType.INK,
|
||
color: AnnotationEditor._colorManager.convert(stroke),
|
||
opacity,
|
||
thickness,
|
||
paths: {
|
||
lines,
|
||
points
|
||
},
|
||
pageIndex: this.pageIndex,
|
||
rect,
|
||
rotation: this.rotation,
|
||
structTreeParentId: this._structTreeParentId
|
||
};
|
||
if (isForCopying) {
|
||
return serialized;
|
||
}
|
||
if (this.annotationElementId && !this.#hasElementChanged(serialized)) {
|
||
return null;
|
||
}
|
||
serialized.id = this.annotationElementId;
|
||
return serialized;
|
||
}
|
||
#hasElementChanged(serialized) {
|
||
const {
|
||
color,
|
||
thickness,
|
||
opacity,
|
||
pageIndex
|
||
} = this._initialData;
|
||
return this._hasBeenMoved || this._hasBeenResized || serialized.color.some((c, i) => c !== color[i]) || serialized.thickness !== thickness || serialized.opacity !== opacity || serialized.pageIndex !== pageIndex;
|
||
}
|
||
renderAnnotationElement(annotation) {
|
||
const {
|
||
points,
|
||
rect
|
||
} = this.serializeDraw(false);
|
||
annotation.updateEdited({
|
||
rect,
|
||
thickness: this._drawingOptions["stroke-width"],
|
||
points
|
||
});
|
||
return null;
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/stamp.js
|
||
|
||
|
||
|
||
|
||
class StampEditor extends AnnotationEditor {
|
||
#bitmap = null;
|
||
#bitmapId = null;
|
||
#bitmapPromise = null;
|
||
#bitmapUrl = null;
|
||
#bitmapFile = null;
|
||
#bitmapFileName = "";
|
||
#canvas = null;
|
||
#resizeTimeoutId = null;
|
||
#isSvg = false;
|
||
#hasBeenAddedInUndoStack = false;
|
||
static _type = "stamp";
|
||
static _editorType = AnnotationEditorType.STAMP;
|
||
constructor(params) {
|
||
super({
|
||
...params,
|
||
name: "stampEditor"
|
||
});
|
||
this.#bitmapUrl = params.bitmapUrl;
|
||
this.#bitmapFile = params.bitmapFile;
|
||
}
|
||
static initialize(l10n, uiManager) {
|
||
AnnotationEditor.initialize(l10n, uiManager);
|
||
}
|
||
static get supportedTypes() {
|
||
const types = ["apng", "avif", "bmp", "gif", "jpeg", "png", "svg+xml", "webp", "x-icon"];
|
||
return shadow(this, "supportedTypes", types.map(type => `image/${type}`));
|
||
}
|
||
static get supportedTypesStr() {
|
||
return shadow(this, "supportedTypesStr", this.supportedTypes.join(","));
|
||
}
|
||
static isHandlingMimeForPasting(mime) {
|
||
return this.supportedTypes.includes(mime);
|
||
}
|
||
static paste(item, parent) {
|
||
parent.pasteEditor(AnnotationEditorType.STAMP, {
|
||
bitmapFile: item.getAsFile()
|
||
});
|
||
}
|
||
altTextFinish() {
|
||
if (this._uiManager.useNewAltTextFlow) {
|
||
this.div.hidden = false;
|
||
}
|
||
super.altTextFinish();
|
||
}
|
||
get telemetryFinalData() {
|
||
return {
|
||
type: "stamp",
|
||
hasAltText: !!this.altTextData?.altText
|
||
};
|
||
}
|
||
static computeTelemetryFinalData(data) {
|
||
const hasAltTextStats = data.get("hasAltText");
|
||
return {
|
||
hasAltText: hasAltTextStats.get(true) ?? 0,
|
||
hasNoAltText: hasAltTextStats.get(false) ?? 0
|
||
};
|
||
}
|
||
#getBitmapFetched(data, fromId = false) {
|
||
if (!data) {
|
||
this.remove();
|
||
return;
|
||
}
|
||
this.#bitmap = data.bitmap;
|
||
if (!fromId) {
|
||
this.#bitmapId = data.id;
|
||
this.#isSvg = data.isSvg;
|
||
}
|
||
if (data.file) {
|
||
this.#bitmapFileName = data.file.name;
|
||
}
|
||
this.#createCanvas();
|
||
}
|
||
#getBitmapDone() {
|
||
this.#bitmapPromise = null;
|
||
this._uiManager.enableWaiting(false);
|
||
if (!this.#canvas) {
|
||
return;
|
||
}
|
||
if (this._uiManager.useNewAltTextWhenAddingImage && this._uiManager.useNewAltTextFlow && this.#bitmap) {
|
||
this._editToolbar.hide();
|
||
this._uiManager.editAltText(this, true);
|
||
return;
|
||
}
|
||
if (!this._uiManager.useNewAltTextWhenAddingImage && this._uiManager.useNewAltTextFlow && this.#bitmap) {
|
||
this._reportTelemetry({
|
||
action: "pdfjs.image.image_added",
|
||
data: {
|
||
alt_text_modal: false,
|
||
alt_text_type: "empty"
|
||
}
|
||
});
|
||
try {
|
||
this.mlGuessAltText();
|
||
} catch {}
|
||
}
|
||
this.div.focus();
|
||
}
|
||
async mlGuessAltText(imageData = null, updateAltTextData = true) {
|
||
if (this.hasAltTextData()) {
|
||
return null;
|
||
}
|
||
const {
|
||
mlManager
|
||
} = this._uiManager;
|
||
if (!mlManager) {
|
||
throw new Error("No ML.");
|
||
}
|
||
if (!(await mlManager.isEnabledFor("altText"))) {
|
||
throw new Error("ML isn't enabled for alt text.");
|
||
}
|
||
const {
|
||
data,
|
||
width,
|
||
height
|
||
} = imageData || this.copyCanvas(null, null, true).imageData;
|
||
const response = await mlManager.guess({
|
||
name: "altText",
|
||
request: {
|
||
data,
|
||
width,
|
||
height,
|
||
channels: data.length / (width * height)
|
||
}
|
||
});
|
||
if (!response) {
|
||
throw new Error("No response from the AI service.");
|
||
}
|
||
if (response.error) {
|
||
throw new Error("Error from the AI service.");
|
||
}
|
||
if (response.cancel) {
|
||
return null;
|
||
}
|
||
if (!response.output) {
|
||
throw new Error("No valid response from the AI service.");
|
||
}
|
||
const altText = response.output;
|
||
await this.setGuessedAltText(altText);
|
||
if (updateAltTextData && !this.hasAltTextData()) {
|
||
this.altTextData = {
|
||
alt: altText,
|
||
decorative: false
|
||
};
|
||
}
|
||
return altText;
|
||
}
|
||
#getBitmap() {
|
||
if (this.#bitmapId) {
|
||
this._uiManager.enableWaiting(true);
|
||
this._uiManager.imageManager.getFromId(this.#bitmapId).then(data => this.#getBitmapFetched(data, true)).finally(() => this.#getBitmapDone());
|
||
return;
|
||
}
|
||
if (this.#bitmapUrl) {
|
||
const url = this.#bitmapUrl;
|
||
this.#bitmapUrl = null;
|
||
this._uiManager.enableWaiting(true);
|
||
this.#bitmapPromise = this._uiManager.imageManager.getFromUrl(url).then(data => this.#getBitmapFetched(data)).finally(() => this.#getBitmapDone());
|
||
return;
|
||
}
|
||
if (this.#bitmapFile) {
|
||
const file = this.#bitmapFile;
|
||
this.#bitmapFile = null;
|
||
this._uiManager.enableWaiting(true);
|
||
this.#bitmapPromise = this._uiManager.imageManager.getFromFile(file).then(data => this.#getBitmapFetched(data)).finally(() => this.#getBitmapDone());
|
||
return;
|
||
}
|
||
const input = document.createElement("input");
|
||
input.type = "file";
|
||
input.accept = StampEditor.supportedTypesStr;
|
||
const signal = this._uiManager._signal;
|
||
this.#bitmapPromise = new Promise(resolve => {
|
||
input.addEventListener("change", async () => {
|
||
if (!input.files || input.files.length === 0) {
|
||
this.remove();
|
||
} else {
|
||
this._uiManager.enableWaiting(true);
|
||
const data = await this._uiManager.imageManager.getFromFile(input.files[0]);
|
||
this._reportTelemetry({
|
||
action: "pdfjs.image.image_selected",
|
||
data: {
|
||
alt_text_modal: this._uiManager.useNewAltTextFlow
|
||
}
|
||
});
|
||
this.#getBitmapFetched(data);
|
||
}
|
||
resolve();
|
||
}, {
|
||
signal
|
||
});
|
||
input.addEventListener("cancel", () => {
|
||
this.remove();
|
||
resolve();
|
||
}, {
|
||
signal
|
||
});
|
||
}).finally(() => this.#getBitmapDone());
|
||
input.click();
|
||
}
|
||
remove() {
|
||
if (this.#bitmapId) {
|
||
this.#bitmap = null;
|
||
this._uiManager.imageManager.deleteId(this.#bitmapId);
|
||
this.#canvas?.remove();
|
||
this.#canvas = null;
|
||
if (this.#resizeTimeoutId) {
|
||
clearTimeout(this.#resizeTimeoutId);
|
||
this.#resizeTimeoutId = null;
|
||
}
|
||
}
|
||
super.remove();
|
||
}
|
||
rebuild() {
|
||
if (!this.parent) {
|
||
if (this.#bitmapId) {
|
||
this.#getBitmap();
|
||
}
|
||
return;
|
||
}
|
||
super.rebuild();
|
||
if (this.div === null) {
|
||
return;
|
||
}
|
||
if (this.#bitmapId && this.#canvas === null) {
|
||
this.#getBitmap();
|
||
}
|
||
if (!this.isAttachedToDOM) {
|
||
this.parent.add(this);
|
||
}
|
||
}
|
||
onceAdded(focus) {
|
||
this._isDraggable = true;
|
||
if (focus) {
|
||
this.div.focus();
|
||
}
|
||
}
|
||
isEmpty() {
|
||
return !(this.#bitmapPromise || this.#bitmap || this.#bitmapUrl || this.#bitmapFile || this.#bitmapId);
|
||
}
|
||
get isResizable() {
|
||
return true;
|
||
}
|
||
render() {
|
||
if (this.div) {
|
||
return this.div;
|
||
}
|
||
let baseX, baseY;
|
||
if (this.width) {
|
||
baseX = this.x;
|
||
baseY = this.y;
|
||
}
|
||
super.render();
|
||
this.div.hidden = true;
|
||
this.div.setAttribute("role", "figure");
|
||
this.addAltTextButton();
|
||
if (this.#bitmap) {
|
||
this.#createCanvas();
|
||
} else {
|
||
this.#getBitmap();
|
||
}
|
||
if (this.width && !this.annotationElementId) {
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight);
|
||
}
|
||
this._uiManager.addShouldRescale(this);
|
||
return this.div;
|
||
}
|
||
_onResized() {
|
||
this.onScaleChanging();
|
||
}
|
||
onScaleChanging() {
|
||
if (!this.parent) {
|
||
return;
|
||
}
|
||
if (this.#resizeTimeoutId !== null) {
|
||
clearTimeout(this.#resizeTimeoutId);
|
||
}
|
||
const TIME_TO_WAIT = 200;
|
||
this.#resizeTimeoutId = setTimeout(() => {
|
||
this.#resizeTimeoutId = null;
|
||
this.#drawBitmap();
|
||
}, TIME_TO_WAIT);
|
||
}
|
||
#createCanvas() {
|
||
const {
|
||
div
|
||
} = this;
|
||
let {
|
||
width,
|
||
height
|
||
} = this.#bitmap;
|
||
const [pageWidth, pageHeight] = this.pageDimensions;
|
||
const MAX_RATIO = 0.75;
|
||
if (this.width) {
|
||
width = this.width * pageWidth;
|
||
height = this.height * pageHeight;
|
||
} else if (width > MAX_RATIO * pageWidth || height > MAX_RATIO * pageHeight) {
|
||
const factor = Math.min(MAX_RATIO * pageWidth / width, MAX_RATIO * pageHeight / height);
|
||
width *= factor;
|
||
height *= factor;
|
||
}
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
this.setDims(width * parentWidth / pageWidth, height * parentHeight / pageHeight);
|
||
this._uiManager.enableWaiting(false);
|
||
const canvas = this.#canvas = document.createElement("canvas");
|
||
canvas.setAttribute("role", "img");
|
||
this.addContainer(canvas);
|
||
this.width = width / pageWidth;
|
||
this.height = height / pageHeight;
|
||
if (this._initialOptions?.isCentered) {
|
||
this.center();
|
||
} else {
|
||
this.fixAndSetPosition();
|
||
}
|
||
this._initialOptions = null;
|
||
if (!this._uiManager.useNewAltTextWhenAddingImage || !this._uiManager.useNewAltTextFlow || this.annotationElementId) {
|
||
div.hidden = false;
|
||
}
|
||
this.#drawBitmap();
|
||
if (!this.#hasBeenAddedInUndoStack) {
|
||
this.parent.addUndoableEditor(this);
|
||
this.#hasBeenAddedInUndoStack = true;
|
||
}
|
||
this._reportTelemetry({
|
||
action: "inserted_image"
|
||
});
|
||
if (this.#bitmapFileName) {
|
||
canvas.setAttribute("aria-label", this.#bitmapFileName);
|
||
}
|
||
}
|
||
copyCanvas(maxDataDimension, maxPreviewDimension, createImageData = false) {
|
||
if (!maxDataDimension) {
|
||
maxDataDimension = 224;
|
||
}
|
||
const {
|
||
width: bitmapWidth,
|
||
height: bitmapHeight
|
||
} = this.#bitmap;
|
||
const outputScale = new OutputScale();
|
||
let bitmap = this.#bitmap;
|
||
let width = bitmapWidth,
|
||
height = bitmapHeight;
|
||
let canvas = null;
|
||
if (maxPreviewDimension) {
|
||
if (bitmapWidth > maxPreviewDimension || bitmapHeight > maxPreviewDimension) {
|
||
const ratio = Math.min(maxPreviewDimension / bitmapWidth, maxPreviewDimension / bitmapHeight);
|
||
width = Math.floor(bitmapWidth * ratio);
|
||
height = Math.floor(bitmapHeight * ratio);
|
||
}
|
||
canvas = document.createElement("canvas");
|
||
const scaledWidth = canvas.width = Math.ceil(width * outputScale.sx);
|
||
const scaledHeight = canvas.height = Math.ceil(height * outputScale.sy);
|
||
if (!this.#isSvg) {
|
||
bitmap = this.#scaleBitmap(scaledWidth, scaledHeight);
|
||
}
|
||
const ctx = canvas.getContext("2d");
|
||
ctx.filter = this._uiManager.hcmFilter;
|
||
let white = "white",
|
||
black = "#cfcfd8";
|
||
if (this._uiManager.hcmFilter !== "none") {
|
||
black = "black";
|
||
} else if (window.matchMedia?.("(prefers-color-scheme: dark)").matches) {
|
||
white = "#8f8f9d";
|
||
black = "#42414d";
|
||
}
|
||
const boxDim = 15;
|
||
const boxDimWidth = boxDim * outputScale.sx;
|
||
const boxDimHeight = boxDim * outputScale.sy;
|
||
const pattern = new OffscreenCanvas(boxDimWidth * 2, boxDimHeight * 2);
|
||
const patternCtx = pattern.getContext("2d");
|
||
patternCtx.fillStyle = white;
|
||
patternCtx.fillRect(0, 0, boxDimWidth * 2, boxDimHeight * 2);
|
||
patternCtx.fillStyle = black;
|
||
patternCtx.fillRect(0, 0, boxDimWidth, boxDimHeight);
|
||
patternCtx.fillRect(boxDimWidth, boxDimHeight, boxDimWidth, boxDimHeight);
|
||
ctx.fillStyle = ctx.createPattern(pattern, "repeat");
|
||
ctx.fillRect(0, 0, scaledWidth, scaledHeight);
|
||
ctx.drawImage(bitmap, 0, 0, bitmap.width, bitmap.height, 0, 0, scaledWidth, scaledHeight);
|
||
}
|
||
let imageData = null;
|
||
if (createImageData) {
|
||
let dataWidth, dataHeight;
|
||
if (outputScale.symmetric && bitmap.width < maxDataDimension && bitmap.height < maxDataDimension) {
|
||
dataWidth = bitmap.width;
|
||
dataHeight = bitmap.height;
|
||
} else {
|
||
bitmap = this.#bitmap;
|
||
if (bitmapWidth > maxDataDimension || bitmapHeight > maxDataDimension) {
|
||
const ratio = Math.min(maxDataDimension / bitmapWidth, maxDataDimension / bitmapHeight);
|
||
dataWidth = Math.floor(bitmapWidth * ratio);
|
||
dataHeight = Math.floor(bitmapHeight * ratio);
|
||
if (!this.#isSvg) {
|
||
bitmap = this.#scaleBitmap(dataWidth, dataHeight);
|
||
}
|
||
}
|
||
}
|
||
const offscreen = new OffscreenCanvas(dataWidth, dataHeight);
|
||
const offscreenCtx = offscreen.getContext("2d", {
|
||
willReadFrequently: true
|
||
});
|
||
offscreenCtx.drawImage(bitmap, 0, 0, bitmap.width, bitmap.height, 0, 0, dataWidth, dataHeight);
|
||
imageData = {
|
||
width: dataWidth,
|
||
height: dataHeight,
|
||
data: offscreenCtx.getImageData(0, 0, dataWidth, dataHeight).data
|
||
};
|
||
}
|
||
return {
|
||
canvas,
|
||
width,
|
||
height,
|
||
imageData
|
||
};
|
||
}
|
||
#scaleBitmap(width, height) {
|
||
const {
|
||
width: bitmapWidth,
|
||
height: bitmapHeight
|
||
} = this.#bitmap;
|
||
let newWidth = bitmapWidth;
|
||
let newHeight = bitmapHeight;
|
||
let bitmap = this.#bitmap;
|
||
while (newWidth > 2 * width || newHeight > 2 * height) {
|
||
const prevWidth = newWidth;
|
||
const prevHeight = newHeight;
|
||
if (newWidth > 2 * width) {
|
||
newWidth = newWidth >= 16384 ? Math.floor(newWidth / 2) - 1 : Math.ceil(newWidth / 2);
|
||
}
|
||
if (newHeight > 2 * height) {
|
||
newHeight = newHeight >= 16384 ? Math.floor(newHeight / 2) - 1 : Math.ceil(newHeight / 2);
|
||
}
|
||
const offscreen = new OffscreenCanvas(newWidth, newHeight);
|
||
const ctx = offscreen.getContext("2d");
|
||
ctx.drawImage(bitmap, 0, 0, prevWidth, prevHeight, 0, 0, newWidth, newHeight);
|
||
bitmap = offscreen.transferToImageBitmap();
|
||
}
|
||
return bitmap;
|
||
}
|
||
#drawBitmap() {
|
||
const [parentWidth, parentHeight] = this.parentDimensions;
|
||
const {
|
||
width,
|
||
height
|
||
} = this;
|
||
const outputScale = new OutputScale();
|
||
const scaledWidth = Math.ceil(width * parentWidth * outputScale.sx);
|
||
const scaledHeight = Math.ceil(height * parentHeight * outputScale.sy);
|
||
const canvas = this.#canvas;
|
||
if (!canvas || canvas.width === scaledWidth && canvas.height === scaledHeight) {
|
||
return;
|
||
}
|
||
canvas.width = scaledWidth;
|
||
canvas.height = scaledHeight;
|
||
const bitmap = this.#isSvg ? this.#bitmap : this.#scaleBitmap(scaledWidth, scaledHeight);
|
||
const ctx = canvas.getContext("2d");
|
||
ctx.filter = this._uiManager.hcmFilter;
|
||
ctx.drawImage(bitmap, 0, 0, bitmap.width, bitmap.height, 0, 0, scaledWidth, scaledHeight);
|
||
}
|
||
getImageForAltText() {
|
||
return this.#canvas;
|
||
}
|
||
#serializeBitmap(toUrl) {
|
||
if (toUrl) {
|
||
if (this.#isSvg) {
|
||
const url = this._uiManager.imageManager.getSvgUrl(this.#bitmapId);
|
||
if (url) {
|
||
return url;
|
||
}
|
||
}
|
||
const canvas = document.createElement("canvas");
|
||
({
|
||
width: canvas.width,
|
||
height: canvas.height
|
||
} = this.#bitmap);
|
||
const ctx = canvas.getContext("2d");
|
||
ctx.drawImage(this.#bitmap, 0, 0);
|
||
return canvas.toDataURL();
|
||
}
|
||
if (this.#isSvg) {
|
||
const [pageWidth, pageHeight] = this.pageDimensions;
|
||
const width = Math.round(this.width * pageWidth * PixelsPerInch.PDF_TO_CSS_UNITS);
|
||
const height = Math.round(this.height * pageHeight * PixelsPerInch.PDF_TO_CSS_UNITS);
|
||
const offscreen = new OffscreenCanvas(width, height);
|
||
const ctx = offscreen.getContext("2d");
|
||
ctx.drawImage(this.#bitmap, 0, 0, this.#bitmap.width, this.#bitmap.height, 0, 0, width, height);
|
||
return offscreen.transferToImageBitmap();
|
||
}
|
||
return structuredClone(this.#bitmap);
|
||
}
|
||
static async deserialize(data, parent, uiManager) {
|
||
let initialData = null;
|
||
if (data instanceof StampAnnotationElement) {
|
||
const {
|
||
data: {
|
||
rect,
|
||
rotation,
|
||
id,
|
||
structParent,
|
||
popupRef
|
||
},
|
||
container,
|
||
parent: {
|
||
page: {
|
||
pageNumber
|
||
}
|
||
}
|
||
} = data;
|
||
const canvas = container.querySelector("canvas");
|
||
const imageData = uiManager.imageManager.getFromCanvas(container.id, canvas);
|
||
canvas.remove();
|
||
const altText = (await parent._structTree.getAriaAttributes(`${AnnotationPrefix}${id}`))?.get("aria-label") || "";
|
||
initialData = data = {
|
||
annotationType: AnnotationEditorType.STAMP,
|
||
bitmapId: imageData.id,
|
||
bitmap: imageData.bitmap,
|
||
pageIndex: pageNumber - 1,
|
||
rect: rect.slice(0),
|
||
rotation,
|
||
id,
|
||
deleted: false,
|
||
accessibilityData: {
|
||
decorative: false,
|
||
altText
|
||
},
|
||
isSvg: false,
|
||
structParent,
|
||
popupRef
|
||
};
|
||
}
|
||
const editor = await super.deserialize(data, parent, uiManager);
|
||
const {
|
||
rect,
|
||
bitmap,
|
||
bitmapUrl,
|
||
bitmapId,
|
||
isSvg,
|
||
accessibilityData
|
||
} = data;
|
||
if (bitmapId && uiManager.imageManager.isValidId(bitmapId)) {
|
||
editor.#bitmapId = bitmapId;
|
||
if (bitmap) {
|
||
editor.#bitmap = bitmap;
|
||
}
|
||
} else {
|
||
editor.#bitmapUrl = bitmapUrl;
|
||
}
|
||
editor.#isSvg = isSvg;
|
||
const [parentWidth, parentHeight] = editor.pageDimensions;
|
||
editor.width = (rect[2] - rect[0]) / parentWidth;
|
||
editor.height = (rect[3] - rect[1]) / parentHeight;
|
||
editor.annotationElementId = data.id || null;
|
||
if (accessibilityData) {
|
||
editor.altTextData = accessibilityData;
|
||
}
|
||
editor._initialData = initialData;
|
||
editor.#hasBeenAddedInUndoStack = !!initialData;
|
||
return editor;
|
||
}
|
||
serialize(isForCopying = false, context = null) {
|
||
if (this.isEmpty()) {
|
||
return null;
|
||
}
|
||
if (this.deleted) {
|
||
return this.serializeDeleted();
|
||
}
|
||
const serialized = {
|
||
annotationType: AnnotationEditorType.STAMP,
|
||
bitmapId: this.#bitmapId,
|
||
pageIndex: this.pageIndex,
|
||
rect: this.getRect(0, 0),
|
||
rotation: this.rotation,
|
||
isSvg: this.#isSvg,
|
||
structTreeParentId: this._structTreeParentId
|
||
};
|
||
if (isForCopying) {
|
||
serialized.bitmapUrl = this.#serializeBitmap(true);
|
||
serialized.accessibilityData = this.serializeAltText(true);
|
||
return serialized;
|
||
}
|
||
const {
|
||
decorative,
|
||
altText
|
||
} = this.serializeAltText(false);
|
||
if (!decorative && altText) {
|
||
serialized.accessibilityData = {
|
||
type: "Figure",
|
||
alt: altText
|
||
};
|
||
}
|
||
if (this.annotationElementId) {
|
||
const changes = this.#hasElementChanged(serialized);
|
||
if (changes.isSame) {
|
||
return null;
|
||
}
|
||
if (changes.isSameAltText) {
|
||
delete serialized.accessibilityData;
|
||
} else {
|
||
serialized.accessibilityData.structParent = this._initialData.structParent ?? -1;
|
||
}
|
||
}
|
||
serialized.id = this.annotationElementId;
|
||
if (context === null) {
|
||
return serialized;
|
||
}
|
||
context.stamps ||= new Map();
|
||
const area = this.#isSvg ? (serialized.rect[2] - serialized.rect[0]) * (serialized.rect[3] - serialized.rect[1]) : null;
|
||
if (!context.stamps.has(this.#bitmapId)) {
|
||
context.stamps.set(this.#bitmapId, {
|
||
area,
|
||
serialized
|
||
});
|
||
serialized.bitmap = this.#serializeBitmap(false);
|
||
} else if (this.#isSvg) {
|
||
const prevData = context.stamps.get(this.#bitmapId);
|
||
if (area > prevData.area) {
|
||
prevData.area = area;
|
||
prevData.serialized.bitmap.close();
|
||
prevData.serialized.bitmap = this.#serializeBitmap(false);
|
||
}
|
||
}
|
||
return serialized;
|
||
}
|
||
#hasElementChanged(serialized) {
|
||
const {
|
||
pageIndex,
|
||
accessibilityData: {
|
||
altText
|
||
}
|
||
} = this._initialData;
|
||
const isSamePageIndex = serialized.pageIndex === pageIndex;
|
||
const isSameAltText = (serialized.accessibilityData?.alt || "") === altText;
|
||
return {
|
||
isSame: !this._hasBeenMoved && !this._hasBeenResized && isSamePageIndex && isSameAltText,
|
||
isSameAltText
|
||
};
|
||
}
|
||
renderAnnotationElement(annotation) {
|
||
annotation.updateEdited({
|
||
rect: this.getRect(0, 0)
|
||
});
|
||
return null;
|
||
}
|
||
}
|
||
|
||
;// ./src/display/editor/annotation_editor_layer.js
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
class AnnotationEditorLayer {
|
||
#accessibilityManager;
|
||
#allowClick = false;
|
||
#annotationLayer = null;
|
||
#clickAC = null;
|
||
#editorFocusTimeoutId = null;
|
||
#editors = new Map();
|
||
#hadPointerDown = false;
|
||
#isDisabling = false;
|
||
#isEnabling = false;
|
||
#drawingAC = null;
|
||
#focusedElement = null;
|
||
#textLayer = null;
|
||
#textSelectionAC = null;
|
||
#uiManager;
|
||
static _initialized = false;
|
||
static #editorTypes = new Map([FreeTextEditor, InkEditor, StampEditor, HighlightEditor].map(type => [type._editorType, type]));
|
||
constructor({
|
||
uiManager,
|
||
pageIndex,
|
||
div,
|
||
structTreeLayer,
|
||
accessibilityManager,
|
||
annotationLayer,
|
||
drawLayer,
|
||
textLayer,
|
||
viewport,
|
||
l10n
|
||
}) {
|
||
const editorTypes = [...AnnotationEditorLayer.#editorTypes.values()];
|
||
if (!AnnotationEditorLayer._initialized) {
|
||
AnnotationEditorLayer._initialized = true;
|
||
for (const editorType of editorTypes) {
|
||
editorType.initialize(l10n, uiManager);
|
||
}
|
||
}
|
||
uiManager.registerEditorTypes(editorTypes);
|
||
this.#uiManager = uiManager;
|
||
this.pageIndex = pageIndex;
|
||
this.div = div;
|
||
this.#accessibilityManager = accessibilityManager;
|
||
this.#annotationLayer = annotationLayer;
|
||
this.viewport = viewport;
|
||
this.#textLayer = textLayer;
|
||
this.drawLayer = drawLayer;
|
||
this._structTree = structTreeLayer;
|
||
this.#uiManager.addLayer(this);
|
||
}
|
||
get isEmpty() {
|
||
return this.#editors.size === 0;
|
||
}
|
||
get isInvisible() {
|
||
return this.isEmpty && this.#uiManager.getMode() === AnnotationEditorType.NONE;
|
||
}
|
||
updateToolbar(mode) {
|
||
this.#uiManager.updateToolbar(mode);
|
||
}
|
||
updateMode(mode = this.#uiManager.getMode()) {
|
||
this.#cleanup();
|
||
switch (mode) {
|
||
case AnnotationEditorType.NONE:
|
||
this.disableTextSelection();
|
||
this.togglePointerEvents(false);
|
||
this.toggleAnnotationLayerPointerEvents(true);
|
||
this.disableClick();
|
||
return;
|
||
case AnnotationEditorType.INK:
|
||
this.disableTextSelection();
|
||
this.togglePointerEvents(true);
|
||
this.enableClick();
|
||
break;
|
||
case AnnotationEditorType.HIGHLIGHT:
|
||
this.enableTextSelection();
|
||
this.togglePointerEvents(false);
|
||
this.disableClick();
|
||
break;
|
||
default:
|
||
this.disableTextSelection();
|
||
this.togglePointerEvents(true);
|
||
this.enableClick();
|
||
}
|
||
this.toggleAnnotationLayerPointerEvents(false);
|
||
const {
|
||
classList
|
||
} = this.div;
|
||
for (const editorType of AnnotationEditorLayer.#editorTypes.values()) {
|
||
classList.toggle(`${editorType._type}Editing`, mode === editorType._editorType);
|
||
}
|
||
this.div.hidden = false;
|
||
}
|
||
hasTextLayer(textLayer) {
|
||
return textLayer === this.#textLayer?.div;
|
||
}
|
||
setEditingState(isEditing) {
|
||
this.#uiManager.setEditingState(isEditing);
|
||
}
|
||
addCommands(params) {
|
||
this.#uiManager.addCommands(params);
|
||
}
|
||
cleanUndoStack(type) {
|
||
this.#uiManager.cleanUndoStack(type);
|
||
}
|
||
toggleDrawing(enabled = false) {
|
||
this.div.classList.toggle("drawing", !enabled);
|
||
}
|
||
togglePointerEvents(enabled = false) {
|
||
this.div.classList.toggle("disabled", !enabled);
|
||
}
|
||
toggleAnnotationLayerPointerEvents(enabled = false) {
|
||
this.#annotationLayer?.div.classList.toggle("disabled", !enabled);
|
||
}
|
||
async enable() {
|
||
this.#isEnabling = true;
|
||
this.div.tabIndex = 0;
|
||
this.togglePointerEvents(true);
|
||
const annotationElementIds = new Set();
|
||
for (const editor of this.#editors.values()) {
|
||
editor.enableEditing();
|
||
editor.show(true);
|
||
if (editor.annotationElementId) {
|
||
this.#uiManager.removeChangedExistingAnnotation(editor);
|
||
annotationElementIds.add(editor.annotationElementId);
|
||
}
|
||
}
|
||
if (!this.#annotationLayer) {
|
||
this.#isEnabling = false;
|
||
return;
|
||
}
|
||
const editables = this.#annotationLayer.getEditableAnnotations();
|
||
for (const editable of editables) {
|
||
editable.hide();
|
||
if (this.#uiManager.isDeletedAnnotationElement(editable.data.id)) {
|
||
continue;
|
||
}
|
||
if (annotationElementIds.has(editable.data.id)) {
|
||
continue;
|
||
}
|
||
const editor = await this.deserialize(editable);
|
||
if (!editor) {
|
||
continue;
|
||
}
|
||
this.addOrRebuild(editor);
|
||
editor.enableEditing();
|
||
}
|
||
this.#isEnabling = false;
|
||
}
|
||
disable() {
|
||
this.#isDisabling = true;
|
||
this.div.tabIndex = -1;
|
||
this.togglePointerEvents(false);
|
||
const changedAnnotations = new Map();
|
||
const resetAnnotations = new Map();
|
||
for (const editor of this.#editors.values()) {
|
||
editor.disableEditing();
|
||
if (!editor.annotationElementId) {
|
||
continue;
|
||
}
|
||
if (editor.serialize() !== null) {
|
||
changedAnnotations.set(editor.annotationElementId, editor);
|
||
continue;
|
||
} else {
|
||
resetAnnotations.set(editor.annotationElementId, editor);
|
||
}
|
||
this.getEditableAnnotation(editor.annotationElementId)?.show();
|
||
editor.remove();
|
||
}
|
||
if (this.#annotationLayer) {
|
||
const editables = this.#annotationLayer.getEditableAnnotations();
|
||
for (const editable of editables) {
|
||
const {
|
||
id
|
||
} = editable.data;
|
||
if (this.#uiManager.isDeletedAnnotationElement(id)) {
|
||
continue;
|
||
}
|
||
let editor = resetAnnotations.get(id);
|
||
if (editor) {
|
||
editor.resetAnnotationElement(editable);
|
||
editor.show(false);
|
||
editable.show();
|
||
continue;
|
||
}
|
||
editor = changedAnnotations.get(id);
|
||
if (editor) {
|
||
this.#uiManager.addChangedExistingAnnotation(editor);
|
||
if (editor.renderAnnotationElement(editable)) {
|
||
editor.show(false);
|
||
}
|
||
}
|
||
editable.show();
|
||
}
|
||
}
|
||
this.#cleanup();
|
||
if (this.isEmpty) {
|
||
this.div.hidden = true;
|
||
}
|
||
const {
|
||
classList
|
||
} = this.div;
|
||
for (const editorType of AnnotationEditorLayer.#editorTypes.values()) {
|
||
classList.remove(`${editorType._type}Editing`);
|
||
}
|
||
this.disableTextSelection();
|
||
this.toggleAnnotationLayerPointerEvents(true);
|
||
this.#isDisabling = false;
|
||
}
|
||
getEditableAnnotation(id) {
|
||
return this.#annotationLayer?.getEditableAnnotation(id) || null;
|
||
}
|
||
setActiveEditor(editor) {
|
||
const currentActive = this.#uiManager.getActive();
|
||
if (currentActive === editor) {
|
||
return;
|
||
}
|
||
this.#uiManager.setActiveEditor(editor);
|
||
}
|
||
enableTextSelection() {
|
||
this.div.tabIndex = -1;
|
||
if (this.#textLayer?.div && !this.#textSelectionAC) {
|
||
this.#textSelectionAC = new AbortController();
|
||
const signal = this.#uiManager.combinedSignal(this.#textSelectionAC);
|
||
this.#textLayer.div.addEventListener("pointerdown", this.#textLayerPointerDown.bind(this), {
|
||
signal
|
||
});
|
||
this.#textLayer.div.classList.add("highlighting");
|
||
}
|
||
}
|
||
disableTextSelection() {
|
||
this.div.tabIndex = 0;
|
||
if (this.#textLayer?.div && this.#textSelectionAC) {
|
||
this.#textSelectionAC.abort();
|
||
this.#textSelectionAC = null;
|
||
this.#textLayer.div.classList.remove("highlighting");
|
||
}
|
||
}
|
||
#textLayerPointerDown(event) {
|
||
this.#uiManager.unselectAll();
|
||
const {
|
||
target
|
||
} = event;
|
||
if (target === this.#textLayer.div || (target.getAttribute("role") === "img" || target.classList.contains("endOfContent")) && this.#textLayer.div.contains(target)) {
|
||
const {
|
||
isMac
|
||
} = util_FeatureTest.platform;
|
||
if (event.button !== 0 || event.ctrlKey && isMac) {
|
||
return;
|
||
}
|
||
this.#uiManager.showAllEditors("highlight", true, true);
|
||
this.#textLayer.div.classList.add("free");
|
||
this.toggleDrawing();
|
||
HighlightEditor.startHighlighting(this, this.#uiManager.direction === "ltr", {
|
||
target: this.#textLayer.div,
|
||
x: event.x,
|
||
y: event.y
|
||
});
|
||
this.#textLayer.div.addEventListener("pointerup", () => {
|
||
this.#textLayer.div.classList.remove("free");
|
||
this.toggleDrawing(true);
|
||
}, {
|
||
once: true,
|
||
signal: this.#uiManager._signal
|
||
});
|
||
event.preventDefault();
|
||
}
|
||
}
|
||
enableClick() {
|
||
if (this.#clickAC) {
|
||
return;
|
||
}
|
||
this.#clickAC = new AbortController();
|
||
const signal = this.#uiManager.combinedSignal(this.#clickAC);
|
||
this.div.addEventListener("pointerdown", this.pointerdown.bind(this), {
|
||
signal
|
||
});
|
||
const pointerup = this.pointerup.bind(this);
|
||
this.div.addEventListener("pointerup", pointerup, {
|
||
signal
|
||
});
|
||
this.div.addEventListener("pointercancel", pointerup, {
|
||
signal
|
||
});
|
||
}
|
||
disableClick() {
|
||
this.#clickAC?.abort();
|
||
this.#clickAC = null;
|
||
}
|
||
attach(editor) {
|
||
this.#editors.set(editor.id, editor);
|
||
const {
|
||
annotationElementId
|
||
} = editor;
|
||
if (annotationElementId && this.#uiManager.isDeletedAnnotationElement(annotationElementId)) {
|
||
this.#uiManager.removeDeletedAnnotationElement(editor);
|
||
}
|
||
}
|
||
detach(editor) {
|
||
this.#editors.delete(editor.id);
|
||
this.#accessibilityManager?.removePointerInTextLayer(editor.contentDiv);
|
||
if (!this.#isDisabling && editor.annotationElementId) {
|
||
this.#uiManager.addDeletedAnnotationElement(editor);
|
||
}
|
||
}
|
||
remove(editor) {
|
||
this.detach(editor);
|
||
this.#uiManager.removeEditor(editor);
|
||
editor.div.remove();
|
||
editor.isAttachedToDOM = false;
|
||
}
|
||
changeParent(editor) {
|
||
if (editor.parent === this) {
|
||
return;
|
||
}
|
||
if (editor.parent && editor.annotationElementId) {
|
||
this.#uiManager.addDeletedAnnotationElement(editor.annotationElementId);
|
||
AnnotationEditor.deleteAnnotationElement(editor);
|
||
editor.annotationElementId = null;
|
||
}
|
||
this.attach(editor);
|
||
editor.parent?.detach(editor);
|
||
editor.setParent(this);
|
||
if (editor.div && editor.isAttachedToDOM) {
|
||
editor.div.remove();
|
||
this.div.append(editor.div);
|
||
}
|
||
}
|
||
add(editor) {
|
||
if (editor.parent === this && editor.isAttachedToDOM) {
|
||
return;
|
||
}
|
||
this.changeParent(editor);
|
||
this.#uiManager.addEditor(editor);
|
||
this.attach(editor);
|
||
if (!editor.isAttachedToDOM) {
|
||
const div = editor.render();
|
||
this.div.append(div);
|
||
editor.isAttachedToDOM = true;
|
||
}
|
||
editor.fixAndSetPosition();
|
||
editor.onceAdded(!this.#isEnabling);
|
||
this.#uiManager.addToAnnotationStorage(editor);
|
||
editor._reportTelemetry(editor.telemetryInitialData);
|
||
}
|
||
moveEditorInDOM(editor) {
|
||
if (!editor.isAttachedToDOM) {
|
||
return;
|
||
}
|
||
const {
|
||
activeElement
|
||
} = document;
|
||
if (editor.div.contains(activeElement) && !this.#editorFocusTimeoutId) {
|
||
editor._focusEventsAllowed = false;
|
||
this.#editorFocusTimeoutId = setTimeout(() => {
|
||
this.#editorFocusTimeoutId = null;
|
||
if (!editor.div.contains(document.activeElement)) {
|
||
editor.div.addEventListener("focusin", () => {
|
||
editor._focusEventsAllowed = true;
|
||
}, {
|
||
once: true,
|
||
signal: this.#uiManager._signal
|
||
});
|
||
activeElement.focus();
|
||
} else {
|
||
editor._focusEventsAllowed = true;
|
||
}
|
||
}, 0);
|
||
}
|
||
editor._structTreeParentId = this.#accessibilityManager?.moveElementInDOM(this.div, editor.div, editor.contentDiv, true);
|
||
}
|
||
addOrRebuild(editor) {
|
||
if (editor.needsToBeRebuilt()) {
|
||
editor.parent ||= this;
|
||
editor.rebuild();
|
||
editor.show();
|
||
} else {
|
||
this.add(editor);
|
||
}
|
||
}
|
||
addUndoableEditor(editor) {
|
||
const cmd = () => editor._uiManager.rebuild(editor);
|
||
const undo = () => {
|
||
editor.remove();
|
||
};
|
||
this.addCommands({
|
||
cmd,
|
||
undo,
|
||
mustExec: false
|
||
});
|
||
}
|
||
getNextId() {
|
||
return this.#uiManager.getId();
|
||
}
|
||
get #currentEditorType() {
|
||
return AnnotationEditorLayer.#editorTypes.get(this.#uiManager.getMode());
|
||
}
|
||
combinedSignal(ac) {
|
||
return this.#uiManager.combinedSignal(ac);
|
||
}
|
||
#createNewEditor(params) {
|
||
const editorType = this.#currentEditorType;
|
||
return editorType ? new editorType.prototype.constructor(params) : null;
|
||
}
|
||
canCreateNewEmptyEditor() {
|
||
return this.#currentEditorType?.canCreateNewEmptyEditor();
|
||
}
|
||
pasteEditor(mode, params) {
|
||
this.#uiManager.updateToolbar(mode);
|
||
this.#uiManager.updateMode(mode);
|
||
const {
|
||
offsetX,
|
||
offsetY
|
||
} = this.#getCenterPoint();
|
||
const id = this.getNextId();
|
||
const editor = this.#createNewEditor({
|
||
parent: this,
|
||
id,
|
||
x: offsetX,
|
||
y: offsetY,
|
||
uiManager: this.#uiManager,
|
||
isCentered: true,
|
||
...params
|
||
});
|
||
if (editor) {
|
||
this.add(editor);
|
||
}
|
||
}
|
||
async deserialize(data) {
|
||
return (await AnnotationEditorLayer.#editorTypes.get(data.annotationType ?? data.annotationEditorType)?.deserialize(data, this, this.#uiManager)) || null;
|
||
}
|
||
createAndAddNewEditor(event, isCentered, data = {}) {
|
||
const id = this.getNextId();
|
||
const editor = this.#createNewEditor({
|
||
parent: this,
|
||
id,
|
||
x: event.offsetX,
|
||
y: event.offsetY,
|
||
uiManager: this.#uiManager,
|
||
isCentered,
|
||
...data
|
||
});
|
||
if (editor) {
|
||
this.add(editor);
|
||
}
|
||
return editor;
|
||
}
|
||
#getCenterPoint() {
|
||
const {
|
||
x,
|
||
y,
|
||
width,
|
||
height
|
||
} = this.div.getBoundingClientRect();
|
||
const tlX = Math.max(0, x);
|
||
const tlY = Math.max(0, y);
|
||
const brX = Math.min(window.innerWidth, x + width);
|
||
const brY = Math.min(window.innerHeight, y + height);
|
||
const centerX = (tlX + brX) / 2 - x;
|
||
const centerY = (tlY + brY) / 2 - y;
|
||
const [offsetX, offsetY] = this.viewport.rotation % 180 === 0 ? [centerX, centerY] : [centerY, centerX];
|
||
return {
|
||
offsetX,
|
||
offsetY
|
||
};
|
||
}
|
||
addNewEditor() {
|
||
this.createAndAddNewEditor(this.#getCenterPoint(), true);
|
||
}
|
||
setSelected(editor) {
|
||
this.#uiManager.setSelected(editor);
|
||
}
|
||
toggleSelected(editor) {
|
||
this.#uiManager.toggleSelected(editor);
|
||
}
|
||
unselect(editor) {
|
||
this.#uiManager.unselect(editor);
|
||
}
|
||
pointerup(event) {
|
||
const {
|
||
isMac
|
||
} = util_FeatureTest.platform;
|
||
if (event.button !== 0 || event.ctrlKey && isMac) {
|
||
return;
|
||
}
|
||
if (event.target !== this.div) {
|
||
return;
|
||
}
|
||
if (!this.#hadPointerDown) {
|
||
return;
|
||
}
|
||
this.#hadPointerDown = false;
|
||
if (this.#currentEditorType?.isDrawer && this.#currentEditorType.supportMultipleDrawings) {
|
||
return;
|
||
}
|
||
if (!this.#allowClick) {
|
||
this.#allowClick = true;
|
||
return;
|
||
}
|
||
if (this.#uiManager.getMode() === AnnotationEditorType.STAMP) {
|
||
this.#uiManager.unselectAll();
|
||
return;
|
||
}
|
||
this.createAndAddNewEditor(event, false);
|
||
}
|
||
pointerdown(event) {
|
||
if (this.#uiManager.getMode() === AnnotationEditorType.HIGHLIGHT) {
|
||
this.enableTextSelection();
|
||
}
|
||
if (this.#hadPointerDown) {
|
||
this.#hadPointerDown = false;
|
||
return;
|
||
}
|
||
const {
|
||
isMac
|
||
} = util_FeatureTest.platform;
|
||
if (event.button !== 0 || event.ctrlKey && isMac) {
|
||
return;
|
||
}
|
||
if (event.target !== this.div) {
|
||
return;
|
||
}
|
||
this.#hadPointerDown = true;
|
||
if (this.#currentEditorType?.isDrawer) {
|
||
this.startDrawingSession(event);
|
||
return;
|
||
}
|
||
const editor = this.#uiManager.getActive();
|
||
this.#allowClick = !editor || editor.isEmpty();
|
||
}
|
||
startDrawingSession(event) {
|
||
this.div.focus();
|
||
if (this.#drawingAC) {
|
||
this.#currentEditorType.startDrawing(this, this.#uiManager, false, event);
|
||
return;
|
||
}
|
||
this.#uiManager.setCurrentDrawingSession(this);
|
||
this.#drawingAC = new AbortController();
|
||
const signal = this.#uiManager.combinedSignal(this.#drawingAC);
|
||
this.div.addEventListener("blur", ({
|
||
relatedTarget
|
||
}) => {
|
||
if (relatedTarget && !this.div.contains(relatedTarget)) {
|
||
this.#focusedElement = null;
|
||
this.commitOrRemove();
|
||
}
|
||
}, {
|
||
signal
|
||
});
|
||
this.#currentEditorType.startDrawing(this, this.#uiManager, false, event);
|
||
}
|
||
pause(on) {
|
||
if (on) {
|
||
const {
|
||
activeElement
|
||
} = document;
|
||
if (this.div.contains(activeElement)) {
|
||
this.#focusedElement = activeElement;
|
||
}
|
||
return;
|
||
}
|
||
if (this.#focusedElement) {
|
||
setTimeout(() => {
|
||
this.#focusedElement?.focus();
|
||
this.#focusedElement = null;
|
||
}, 0);
|
||
}
|
||
}
|
||
endDrawingSession(isAborted = false) {
|
||
if (!this.#drawingAC) {
|
||
return null;
|
||
}
|
||
this.#uiManager.setCurrentDrawingSession(null);
|
||
this.#drawingAC.abort();
|
||
this.#drawingAC = null;
|
||
this.#focusedElement = null;
|
||
return this.#currentEditorType.endDrawing(isAborted);
|
||
}
|
||
findNewParent(editor, x, y) {
|
||
const layer = this.#uiManager.findParent(x, y);
|
||
if (layer === null || layer === this) {
|
||
return false;
|
||
}
|
||
layer.changeParent(editor);
|
||
return true;
|
||
}
|
||
commitOrRemove() {
|
||
if (this.#drawingAC) {
|
||
this.endDrawingSession();
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
onScaleChanging() {
|
||
if (!this.#drawingAC) {
|
||
return;
|
||
}
|
||
this.#currentEditorType.onScaleChangingWhenDrawing(this);
|
||
}
|
||
destroy() {
|
||
this.commitOrRemove();
|
||
if (this.#uiManager.getActive()?.parent === this) {
|
||
this.#uiManager.commitOrRemove();
|
||
this.#uiManager.setActiveEditor(null);
|
||
}
|
||
if (this.#editorFocusTimeoutId) {
|
||
clearTimeout(this.#editorFocusTimeoutId);
|
||
this.#editorFocusTimeoutId = null;
|
||
}
|
||
for (const editor of this.#editors.values()) {
|
||
this.#accessibilityManager?.removePointerInTextLayer(editor.contentDiv);
|
||
editor.setParent(null);
|
||
editor.isAttachedToDOM = false;
|
||
editor.div.remove();
|
||
}
|
||
this.div = null;
|
||
this.#editors.clear();
|
||
this.#uiManager.removeLayer(this);
|
||
}
|
||
#cleanup() {
|
||
for (const editor of this.#editors.values()) {
|
||
if (editor.isEmpty()) {
|
||
editor.remove();
|
||
}
|
||
}
|
||
}
|
||
render({
|
||
viewport
|
||
}) {
|
||
this.viewport = viewport;
|
||
setLayerDimensions(this.div, viewport);
|
||
for (const editor of this.#uiManager.getEditors(this.pageIndex)) {
|
||
this.add(editor);
|
||
editor.rebuild();
|
||
}
|
||
this.updateMode();
|
||
}
|
||
update({
|
||
viewport
|
||
}) {
|
||
this.#uiManager.commitOrRemove();
|
||
this.#cleanup();
|
||
const oldRotation = this.viewport.rotation;
|
||
const rotation = viewport.rotation;
|
||
this.viewport = viewport;
|
||
setLayerDimensions(this.div, {
|
||
rotation
|
||
});
|
||
if (oldRotation !== rotation) {
|
||
for (const editor of this.#editors.values()) {
|
||
editor.rotate(rotation);
|
||
}
|
||
}
|
||
}
|
||
get pageDimensions() {
|
||
const {
|
||
pageWidth,
|
||
pageHeight
|
||
} = this.viewport.rawDims;
|
||
return [pageWidth, pageHeight];
|
||
}
|
||
get scale() {
|
||
return this.#uiManager.viewParameters.realScale;
|
||
}
|
||
}
|
||
|
||
;// ./src/display/draw_layer.js
|
||
|
||
|
||
class DrawLayer {
|
||
#parent = null;
|
||
#id = 0;
|
||
#mapping = new Map();
|
||
#toUpdate = new Map();
|
||
constructor({
|
||
pageIndex
|
||
}) {
|
||
this.pageIndex = pageIndex;
|
||
}
|
||
setParent(parent) {
|
||
if (!this.#parent) {
|
||
this.#parent = parent;
|
||
return;
|
||
}
|
||
if (this.#parent !== parent) {
|
||
if (this.#mapping.size > 0) {
|
||
for (const root of this.#mapping.values()) {
|
||
root.remove();
|
||
parent.append(root);
|
||
}
|
||
}
|
||
this.#parent = parent;
|
||
}
|
||
}
|
||
static get _svgFactory() {
|
||
return shadow(this, "_svgFactory", new DOMSVGFactory());
|
||
}
|
||
static #setBox(element, [x, y, width, height]) {
|
||
const {
|
||
style
|
||
} = element;
|
||
style.top = `${100 * y}%`;
|
||
style.left = `${100 * x}%`;
|
||
style.width = `${100 * width}%`;
|
||
style.height = `${100 * height}%`;
|
||
}
|
||
#createSVG() {
|
||
const svg = DrawLayer._svgFactory.create(1, 1, true);
|
||
this.#parent.append(svg);
|
||
svg.setAttribute("aria-hidden", true);
|
||
return svg;
|
||
}
|
||
#createClipPath(defs, pathId) {
|
||
const clipPath = DrawLayer._svgFactory.createElement("clipPath");
|
||
defs.append(clipPath);
|
||
const clipPathId = `clip_${pathId}`;
|
||
clipPath.setAttribute("id", clipPathId);
|
||
clipPath.setAttribute("clipPathUnits", "objectBoundingBox");
|
||
const clipPathUse = DrawLayer._svgFactory.createElement("use");
|
||
clipPath.append(clipPathUse);
|
||
clipPathUse.setAttribute("href", `#${pathId}`);
|
||
clipPathUse.classList.add("clip");
|
||
return clipPathId;
|
||
}
|
||
#updateProperties(element, properties) {
|
||
for (const [key, value] of Object.entries(properties)) {
|
||
if (value === null) {
|
||
element.removeAttribute(key);
|
||
} else {
|
||
element.setAttribute(key, value);
|
||
}
|
||
}
|
||
}
|
||
draw(properties, isPathUpdatable = false, hasClip = false) {
|
||
const id = this.#id++;
|
||
const root = this.#createSVG();
|
||
const defs = DrawLayer._svgFactory.createElement("defs");
|
||
root.append(defs);
|
||
const path = DrawLayer._svgFactory.createElement("path");
|
||
defs.append(path);
|
||
const pathId = `path_p${this.pageIndex}_${id}`;
|
||
path.setAttribute("id", pathId);
|
||
path.setAttribute("vector-effect", "non-scaling-stroke");
|
||
if (isPathUpdatable) {
|
||
this.#toUpdate.set(id, path);
|
||
}
|
||
const clipPathId = hasClip ? this.#createClipPath(defs, pathId) : null;
|
||
const use = DrawLayer._svgFactory.createElement("use");
|
||
root.append(use);
|
||
use.setAttribute("href", `#${pathId}`);
|
||
this.updateProperties(root, properties);
|
||
this.#mapping.set(id, root);
|
||
return {
|
||
id,
|
||
clipPathId: `url(#${clipPathId})`
|
||
};
|
||
}
|
||
drawOutline(properties, mustRemoveSelfIntersections) {
|
||
const id = this.#id++;
|
||
const root = this.#createSVG();
|
||
const defs = DrawLayer._svgFactory.createElement("defs");
|
||
root.append(defs);
|
||
const path = DrawLayer._svgFactory.createElement("path");
|
||
defs.append(path);
|
||
const pathId = `path_p${this.pageIndex}_${id}`;
|
||
path.setAttribute("id", pathId);
|
||
path.setAttribute("vector-effect", "non-scaling-stroke");
|
||
let maskId;
|
||
if (mustRemoveSelfIntersections) {
|
||
const mask = DrawLayer._svgFactory.createElement("mask");
|
||
defs.append(mask);
|
||
maskId = `mask_p${this.pageIndex}_${id}`;
|
||
mask.setAttribute("id", maskId);
|
||
mask.setAttribute("maskUnits", "objectBoundingBox");
|
||
const rect = DrawLayer._svgFactory.createElement("rect");
|
||
mask.append(rect);
|
||
rect.setAttribute("width", "1");
|
||
rect.setAttribute("height", "1");
|
||
rect.setAttribute("fill", "white");
|
||
const use = DrawLayer._svgFactory.createElement("use");
|
||
mask.append(use);
|
||
use.setAttribute("href", `#${pathId}`);
|
||
use.setAttribute("stroke", "none");
|
||
use.setAttribute("fill", "black");
|
||
use.setAttribute("fill-rule", "nonzero");
|
||
use.classList.add("mask");
|
||
}
|
||
const use1 = DrawLayer._svgFactory.createElement("use");
|
||
root.append(use1);
|
||
use1.setAttribute("href", `#${pathId}`);
|
||
if (maskId) {
|
||
use1.setAttribute("mask", `url(#${maskId})`);
|
||
}
|
||
const use2 = use1.cloneNode();
|
||
root.append(use2);
|
||
use1.classList.add("mainOutline");
|
||
use2.classList.add("secondaryOutline");
|
||
this.updateProperties(root, properties);
|
||
this.#mapping.set(id, root);
|
||
return id;
|
||
}
|
||
finalizeDraw(id, properties) {
|
||
this.#toUpdate.delete(id);
|
||
this.updateProperties(id, properties);
|
||
}
|
||
updateProperties(elementOrId, properties) {
|
||
if (!properties) {
|
||
return;
|
||
}
|
||
const {
|
||
root,
|
||
bbox,
|
||
rootClass,
|
||
path
|
||
} = properties;
|
||
const element = typeof elementOrId === "number" ? this.#mapping.get(elementOrId) : elementOrId;
|
||
if (!element) {
|
||
return;
|
||
}
|
||
if (root) {
|
||
this.#updateProperties(element, root);
|
||
}
|
||
if (bbox) {
|
||
DrawLayer.#setBox(element, bbox);
|
||
}
|
||
if (rootClass) {
|
||
const {
|
||
classList
|
||
} = element;
|
||
for (const [className, value] of Object.entries(rootClass)) {
|
||
classList.toggle(className, value);
|
||
}
|
||
}
|
||
if (path) {
|
||
const defs = element.firstChild;
|
||
const pathElement = defs.firstChild;
|
||
this.#updateProperties(pathElement, path);
|
||
}
|
||
}
|
||
updateParent(id, layer) {
|
||
if (layer === this) {
|
||
return;
|
||
}
|
||
const root = this.#mapping.get(id);
|
||
if (!root) {
|
||
return;
|
||
}
|
||
layer.#parent.append(root);
|
||
this.#mapping.delete(id);
|
||
layer.#mapping.set(id, root);
|
||
}
|
||
remove(id) {
|
||
this.#toUpdate.delete(id);
|
||
if (this.#parent === null) {
|
||
return;
|
||
}
|
||
this.#mapping.get(id).remove();
|
||
this.#mapping.delete(id);
|
||
}
|
||
destroy() {
|
||
this.#parent = null;
|
||
for (const root of this.#mapping.values()) {
|
||
root.remove();
|
||
}
|
||
this.#mapping.clear();
|
||
this.#toUpdate.clear();
|
||
}
|
||
}
|
||
|
||
;// ./src/pdf.js
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
const pdfjsVersion = "4.10.38";
|
||
const pdfjsBuild = "f9bea397f";
|
||
{
|
||
globalThis.pdfjsTestingUtils = {
|
||
HighlightOutliner: HighlightOutliner
|
||
};
|
||
}
|
||
|
||
var __webpack_exports__AbortException = __webpack_exports__.AbortException;
|
||
var __webpack_exports__AnnotationEditorLayer = __webpack_exports__.AnnotationEditorLayer;
|
||
var __webpack_exports__AnnotationEditorParamsType = __webpack_exports__.AnnotationEditorParamsType;
|
||
var __webpack_exports__AnnotationEditorType = __webpack_exports__.AnnotationEditorType;
|
||
var __webpack_exports__AnnotationEditorUIManager = __webpack_exports__.AnnotationEditorUIManager;
|
||
var __webpack_exports__AnnotationLayer = __webpack_exports__.AnnotationLayer;
|
||
var __webpack_exports__AnnotationMode = __webpack_exports__.AnnotationMode;
|
||
var __webpack_exports__ColorPicker = __webpack_exports__.ColorPicker;
|
||
var __webpack_exports__DOMSVGFactory = __webpack_exports__.DOMSVGFactory;
|
||
var __webpack_exports__DrawLayer = __webpack_exports__.DrawLayer;
|
||
var __webpack_exports__FeatureTest = __webpack_exports__.FeatureTest;
|
||
var __webpack_exports__GlobalWorkerOptions = __webpack_exports__.GlobalWorkerOptions;
|
||
var __webpack_exports__ImageKind = __webpack_exports__.ImageKind;
|
||
var __webpack_exports__InvalidPDFException = __webpack_exports__.InvalidPDFException;
|
||
var __webpack_exports__MissingPDFException = __webpack_exports__.MissingPDFException;
|
||
var __webpack_exports__OPS = __webpack_exports__.OPS;
|
||
var __webpack_exports__OutputScale = __webpack_exports__.OutputScale;
|
||
var __webpack_exports__PDFDataRangeTransport = __webpack_exports__.PDFDataRangeTransport;
|
||
var __webpack_exports__PDFDateString = __webpack_exports__.PDFDateString;
|
||
var __webpack_exports__PDFWorker = __webpack_exports__.PDFWorker;
|
||
var __webpack_exports__PasswordResponses = __webpack_exports__.PasswordResponses;
|
||
var __webpack_exports__PermissionFlag = __webpack_exports__.PermissionFlag;
|
||
var __webpack_exports__PixelsPerInch = __webpack_exports__.PixelsPerInch;
|
||
var __webpack_exports__RenderingCancelledException = __webpack_exports__.RenderingCancelledException;
|
||
var __webpack_exports__TextLayer = __webpack_exports__.TextLayer;
|
||
var __webpack_exports__TouchManager = __webpack_exports__.TouchManager;
|
||
var __webpack_exports__UnexpectedResponseException = __webpack_exports__.UnexpectedResponseException;
|
||
var __webpack_exports__Util = __webpack_exports__.Util;
|
||
var __webpack_exports__VerbosityLevel = __webpack_exports__.VerbosityLevel;
|
||
var __webpack_exports__XfaLayer = __webpack_exports__.XfaLayer;
|
||
var __webpack_exports__build = __webpack_exports__.build;
|
||
var __webpack_exports__createValidAbsoluteUrl = __webpack_exports__.createValidAbsoluteUrl;
|
||
var __webpack_exports__fetchData = __webpack_exports__.fetchData;
|
||
var __webpack_exports__getDocument = __webpack_exports__.getDocument;
|
||
var __webpack_exports__getFilenameFromUrl = __webpack_exports__.getFilenameFromUrl;
|
||
var __webpack_exports__getPdfFilenameFromUrl = __webpack_exports__.getPdfFilenameFromUrl;
|
||
var __webpack_exports__getXfaPageViewport = __webpack_exports__.getXfaPageViewport;
|
||
var __webpack_exports__isDataScheme = __webpack_exports__.isDataScheme;
|
||
var __webpack_exports__isPdfFile = __webpack_exports__.isPdfFile;
|
||
var __webpack_exports__noContextMenu = __webpack_exports__.noContextMenu;
|
||
var __webpack_exports__normalizeUnicode = __webpack_exports__.normalizeUnicode;
|
||
var __webpack_exports__setLayerDimensions = __webpack_exports__.setLayerDimensions;
|
||
var __webpack_exports__shadow = __webpack_exports__.shadow;
|
||
var __webpack_exports__stopEvent = __webpack_exports__.stopEvent;
|
||
var __webpack_exports__version = __webpack_exports__.version;
|
||
export { __webpack_exports__AbortException as AbortException, __webpack_exports__AnnotationEditorLayer as AnnotationEditorLayer, __webpack_exports__AnnotationEditorParamsType as AnnotationEditorParamsType, __webpack_exports__AnnotationEditorType as AnnotationEditorType, __webpack_exports__AnnotationEditorUIManager as AnnotationEditorUIManager, __webpack_exports__AnnotationLayer as AnnotationLayer, __webpack_exports__AnnotationMode as AnnotationMode, __webpack_exports__ColorPicker as ColorPicker, __webpack_exports__DOMSVGFactory as DOMSVGFactory, __webpack_exports__DrawLayer as DrawLayer, __webpack_exports__FeatureTest as FeatureTest, __webpack_exports__GlobalWorkerOptions as GlobalWorkerOptions, __webpack_exports__ImageKind as ImageKind, __webpack_exports__InvalidPDFException as InvalidPDFException, __webpack_exports__MissingPDFException as MissingPDFException, __webpack_exports__OPS as OPS, __webpack_exports__OutputScale as OutputScale, __webpack_exports__PDFDataRangeTransport as PDFDataRangeTransport, __webpack_exports__PDFDateString as PDFDateString, __webpack_exports__PDFWorker as PDFWorker, __webpack_exports__PasswordResponses as PasswordResponses, __webpack_exports__PermissionFlag as PermissionFlag, __webpack_exports__PixelsPerInch as PixelsPerInch, __webpack_exports__RenderingCancelledException as RenderingCancelledException, __webpack_exports__TextLayer as TextLayer, __webpack_exports__TouchManager as TouchManager, __webpack_exports__UnexpectedResponseException as UnexpectedResponseException, __webpack_exports__Util as Util, __webpack_exports__VerbosityLevel as VerbosityLevel, __webpack_exports__XfaLayer as XfaLayer, __webpack_exports__build as build, __webpack_exports__createValidAbsoluteUrl as createValidAbsoluteUrl, __webpack_exports__fetchData as fetchData, __webpack_exports__getDocument as getDocument, __webpack_exports__getFilenameFromUrl as getFilenameFromUrl, __webpack_exports__getPdfFilenameFromUrl as getPdfFilenameFromUrl, __webpack_exports__getXfaPageViewport as getXfaPageViewport, __webpack_exports__isDataScheme as isDataScheme, __webpack_exports__isPdfFile as isPdfFile, __webpack_exports__noContextMenu as noContextMenu, __webpack_exports__normalizeUnicode as normalizeUnicode, __webpack_exports__setLayerDimensions as setLayerDimensions, __webpack_exports__shadow as shadow, __webpack_exports__stopEvent as stopEvent, __webpack_exports__version as version };
|
||
|
||
//# sourceMappingURL=pdf.mjs.map
|