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-rw-r--r--toolkit/components/pdfjs/content/build/pdf.js11686
1 files changed, 11686 insertions, 0 deletions
diff --git a/toolkit/components/pdfjs/content/build/pdf.js b/toolkit/components/pdfjs/content/build/pdf.js
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+++ b/toolkit/components/pdfjs/content/build/pdf.js
@@ -0,0 +1,11686 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+
+(function webpackUniversalModuleDefinition(root, factory) {
+ if(typeof exports === 'object' && typeof module === 'object')
+ module.exports = factory();
+ else if(typeof define === 'function' && define.amd)
+ define("pdfjs-dist/build/pdf", [], factory);
+ else if(typeof exports === 'object')
+ exports["pdfjs-dist/build/pdf"] = factory();
+ else
+ root["pdfjs-dist/build/pdf"] = root.pdfjsLib = factory();
+})(this, function() {
+return /******/ (() => { // webpackBootstrap
+/******/ "use strict";
+/******/ var __webpack_modules__ = ([
+/* 0 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+Object.defineProperty(exports, "addLinkAttributes", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.addLinkAttributes;
+ }
+}));
+Object.defineProperty(exports, "getFilenameFromUrl", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.getFilenameFromUrl;
+ }
+}));
+Object.defineProperty(exports, "LinkTarget", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.LinkTarget;
+ }
+}));
+Object.defineProperty(exports, "loadScript", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.loadScript;
+ }
+}));
+Object.defineProperty(exports, "PDFDateString", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.PDFDateString;
+ }
+}));
+Object.defineProperty(exports, "RenderingCancelledException", ({
+ enumerable: true,
+ get: function () {
+ return _display_utils.RenderingCancelledException;
+ }
+}));
+Object.defineProperty(exports, "build", ({
+ enumerable: true,
+ get: function () {
+ return _api.build;
+ }
+}));
+Object.defineProperty(exports, "getDocument", ({
+ enumerable: true,
+ get: function () {
+ return _api.getDocument;
+ }
+}));
+Object.defineProperty(exports, "LoopbackPort", ({
+ enumerable: true,
+ get: function () {
+ return _api.LoopbackPort;
+ }
+}));
+Object.defineProperty(exports, "PDFDataRangeTransport", ({
+ enumerable: true,
+ get: function () {
+ return _api.PDFDataRangeTransport;
+ }
+}));
+Object.defineProperty(exports, "PDFWorker", ({
+ enumerable: true,
+ get: function () {
+ return _api.PDFWorker;
+ }
+}));
+Object.defineProperty(exports, "version", ({
+ enumerable: true,
+ get: function () {
+ return _api.version;
+ }
+}));
+Object.defineProperty(exports, "CMapCompressionType", ({
+ enumerable: true,
+ get: function () {
+ return _util.CMapCompressionType;
+ }
+}));
+Object.defineProperty(exports, "createObjectURL", ({
+ enumerable: true,
+ get: function () {
+ return _util.createObjectURL;
+ }
+}));
+Object.defineProperty(exports, "createPromiseCapability", ({
+ enumerable: true,
+ get: function () {
+ return _util.createPromiseCapability;
+ }
+}));
+Object.defineProperty(exports, "createValidAbsoluteUrl", ({
+ enumerable: true,
+ get: function () {
+ return _util.createValidAbsoluteUrl;
+ }
+}));
+Object.defineProperty(exports, "InvalidPDFException", ({
+ enumerable: true,
+ get: function () {
+ return _util.InvalidPDFException;
+ }
+}));
+Object.defineProperty(exports, "MissingPDFException", ({
+ enumerable: true,
+ get: function () {
+ return _util.MissingPDFException;
+ }
+}));
+Object.defineProperty(exports, "OPS", ({
+ enumerable: true,
+ get: function () {
+ return _util.OPS;
+ }
+}));
+Object.defineProperty(exports, "PasswordResponses", ({
+ enumerable: true,
+ get: function () {
+ return _util.PasswordResponses;
+ }
+}));
+Object.defineProperty(exports, "PermissionFlag", ({
+ enumerable: true,
+ get: function () {
+ return _util.PermissionFlag;
+ }
+}));
+Object.defineProperty(exports, "removeNullCharacters", ({
+ enumerable: true,
+ get: function () {
+ return _util.removeNullCharacters;
+ }
+}));
+Object.defineProperty(exports, "shadow", ({
+ enumerable: true,
+ get: function () {
+ return _util.shadow;
+ }
+}));
+Object.defineProperty(exports, "UnexpectedResponseException", ({
+ enumerable: true,
+ get: function () {
+ return _util.UnexpectedResponseException;
+ }
+}));
+Object.defineProperty(exports, "UNSUPPORTED_FEATURES", ({
+ enumerable: true,
+ get: function () {
+ return _util.UNSUPPORTED_FEATURES;
+ }
+}));
+Object.defineProperty(exports, "Util", ({
+ enumerable: true,
+ get: function () {
+ return _util.Util;
+ }
+}));
+Object.defineProperty(exports, "VerbosityLevel", ({
+ enumerable: true,
+ get: function () {
+ return _util.VerbosityLevel;
+ }
+}));
+Object.defineProperty(exports, "AnnotationLayer", ({
+ enumerable: true,
+ get: function () {
+ return _annotation_layer.AnnotationLayer;
+ }
+}));
+Object.defineProperty(exports, "apiCompatibilityParams", ({
+ enumerable: true,
+ get: function () {
+ return _api_compatibility.apiCompatibilityParams;
+ }
+}));
+Object.defineProperty(exports, "GlobalWorkerOptions", ({
+ enumerable: true,
+ get: function () {
+ return _worker_options.GlobalWorkerOptions;
+ }
+}));
+Object.defineProperty(exports, "renderTextLayer", ({
+ enumerable: true,
+ get: function () {
+ return _text_layer.renderTextLayer;
+ }
+}));
+Object.defineProperty(exports, "SVGGraphics", ({
+ enumerable: true,
+ get: function () {
+ return _svg.SVGGraphics;
+ }
+}));
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _api = __w_pdfjs_require__(5);
+
+var _util = __w_pdfjs_require__(2);
+
+var _annotation_layer = __w_pdfjs_require__(19);
+
+var _api_compatibility = __w_pdfjs_require__(9);
+
+var _worker_options = __w_pdfjs_require__(12);
+
+var _text_layer = __w_pdfjs_require__(21);
+
+var _svg = __w_pdfjs_require__(22);
+
+const pdfjsVersion = '2.7.510';
+const pdfjsBuild = '631bada0d';
+;
+
+/***/ }),
+/* 1 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.addLinkAttributes = addLinkAttributes;
+exports.deprecated = deprecated;
+exports.getFilenameFromUrl = getFilenameFromUrl;
+exports.isFetchSupported = isFetchSupported;
+exports.isValidFetchUrl = isValidFetchUrl;
+exports.loadScript = loadScript;
+exports.StatTimer = exports.RenderingCancelledException = exports.PDFDateString = exports.PageViewport = exports.LinkTarget = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.DOMCanvasFactory = exports.DEFAULT_LINK_REL = exports.BaseCMapReaderFactory = exports.BaseCanvasFactory = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
+exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
+const SVG_NS = "http://www.w3.org/2000/svg";
+
+class BaseCanvasFactory {
+ constructor() {
+ if (this.constructor === BaseCanvasFactory) {
+ (0, _util.unreachable)("Cannot initialize BaseCanvasFactory.");
+ }
+ }
+
+ create(width, height) {
+ (0, _util.unreachable)("Abstract method `create` called.");
+ }
+
+ 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;
+ }
+
+}
+
+exports.BaseCanvasFactory = BaseCanvasFactory;
+
+class DOMCanvasFactory extends BaseCanvasFactory {
+ constructor({
+ ownerDocument = globalThis.document
+ } = {}) {
+ super();
+ this._document = ownerDocument;
+ }
+
+ create(width, height) {
+ if (width <= 0 || height <= 0) {
+ throw new Error("Invalid canvas size");
+ }
+
+ const canvas = this._document.createElement("canvas");
+
+ const context = canvas.getContext("2d");
+ canvas.width = width;
+ canvas.height = height;
+ return {
+ canvas,
+ context
+ };
+ }
+
+}
+
+exports.DOMCanvasFactory = DOMCanvasFactory;
+
+class BaseCMapReaderFactory {
+ constructor({
+ baseUrl = null,
+ isCompressed = false
+ }) {
+ if (this.constructor === BaseCMapReaderFactory) {
+ (0, _util.unreachable)("Cannot initialize BaseCMapReaderFactory.");
+ }
+
+ this.baseUrl = baseUrl;
+ this.isCompressed = isCompressed;
+ }
+
+ async fetch({
+ name
+ }) {
+ if (!this.baseUrl) {
+ throw new Error('The CMap "baseUrl" parameter must be specified, 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" : "");
+ const compressionType = this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE;
+ return this._fetchData(url, compressionType).catch(reason => {
+ throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}CMap at: ${url}`);
+ });
+ }
+
+ _fetchData(url, compressionType) {
+ (0, _util.unreachable)("Abstract method `_fetchData` called.");
+ }
+
+}
+
+exports.BaseCMapReaderFactory = BaseCMapReaderFactory;
+
+class DOMCMapReaderFactory extends BaseCMapReaderFactory {
+ _fetchData(url, compressionType) {
+ return fetch(url).then(async response => {
+ if (!response.ok) {
+ throw new Error(response.statusText);
+ }
+
+ let cMapData;
+
+ if (this.isCompressed) {
+ cMapData = new Uint8Array(await response.arrayBuffer());
+ } else {
+ cMapData = (0, _util.stringToBytes)(await response.text());
+ }
+
+ return {
+ cMapData,
+ compressionType
+ };
+ });
+ }
+
+}
+
+exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
+
+class DOMSVGFactory {
+ create(width, height) {
+ (0, _util.assert)(width > 0 && height > 0, "Invalid SVG dimensions");
+ const svg = document.createElementNS(SVG_NS, "svg:svg");
+ svg.setAttribute("version", "1.1");
+ 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) {
+ (0, _util.assert)(typeof type === "string", "Invalid SVG element type");
+ return document.createElementNS(SVG_NS, type);
+ }
+
+}
+
+exports.DOMSVGFactory = DOMSVGFactory;
+
+class PageViewport {
+ constructor({
+ viewBox,
+ scale,
+ rotation,
+ offsetX = 0,
+ offsetY = 0,
+ dontFlip = false
+ }) {
+ this.viewBox = viewBox;
+ this.scale = scale;
+ this.rotation = rotation;
+ this.offsetX = offsetX;
+ this.offsetY = offsetY;
+ const centerX = (viewBox[2] + viewBox[0]) / 2;
+ const centerY = (viewBox[3] + viewBox[1]) / 2;
+ let rotateA, rotateB, rotateC, rotateD;
+ rotation = rotation % 360;
+ rotation = rotation < 0 ? rotation + 360 : rotation;
+
+ 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 = Math.abs(viewBox[3] - viewBox[1]) * scale;
+ height = Math.abs(viewBox[2] - viewBox[0]) * scale;
+ } else {
+ offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
+ offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
+ width = Math.abs(viewBox[2] - viewBox[0]) * scale;
+ height = Math.abs(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;
+ }
+
+ clone({
+ scale = this.scale,
+ rotation = this.rotation,
+ offsetX = this.offsetX,
+ offsetY = this.offsetY,
+ dontFlip = false
+ } = {}) {
+ return new PageViewport({
+ viewBox: this.viewBox.slice(),
+ scale,
+ rotation,
+ offsetX,
+ offsetY,
+ dontFlip
+ });
+ }
+
+ convertToViewportPoint(x, y) {
+ return _util.Util.applyTransform([x, y], this.transform);
+ }
+
+ convertToViewportRectangle(rect) {
+ const topLeft = _util.Util.applyTransform([rect[0], rect[1]], this.transform);
+
+ const bottomRight = _util.Util.applyTransform([rect[2], rect[3]], this.transform);
+
+ return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
+ }
+
+ convertToPdfPoint(x, y) {
+ return _util.Util.applyInverseTransform([x, y], this.transform);
+ }
+
+}
+
+exports.PageViewport = PageViewport;
+
+class RenderingCancelledException extends _util.BaseException {
+ constructor(msg, type) {
+ super(msg);
+ this.type = type;
+ }
+
+}
+
+exports.RenderingCancelledException = RenderingCancelledException;
+const LinkTarget = {
+ NONE: 0,
+ SELF: 1,
+ BLANK: 2,
+ PARENT: 3,
+ TOP: 4
+};
+exports.LinkTarget = LinkTarget;
+
+function addLinkAttributes(link, {
+ url,
+ target,
+ rel,
+ enabled = true
+} = {}) {
+ (0, _util.assert)(url && typeof url === "string", 'addLinkAttributes: A valid "url" parameter must provided.');
+ const urlNullRemoved = (0, _util.removeNullCharacters)(url);
+
+ if (enabled) {
+ link.href = link.title = urlNullRemoved;
+ } else {
+ link.href = "";
+ link.title = `Disabled: ${urlNullRemoved}`;
+
+ link.onclick = () => {
+ return false;
+ };
+ }
+
+ let targetStr = "";
+
+ switch (target) {
+ case LinkTarget.NONE:
+ break;
+
+ case LinkTarget.SELF:
+ targetStr = "_self";
+ break;
+
+ case LinkTarget.BLANK:
+ targetStr = "_blank";
+ break;
+
+ case LinkTarget.PARENT:
+ targetStr = "_parent";
+ break;
+
+ case LinkTarget.TOP:
+ targetStr = "_top";
+ break;
+ }
+
+ link.target = targetStr;
+ link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
+}
+
+function getFilenameFromUrl(url) {
+ const anchor = url.indexOf("#");
+ const query = url.indexOf("?");
+ const end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
+ return url.substring(url.lastIndexOf("/", end) + 1, end);
+}
+
+class StatTimer {
+ constructor() {
+ this.started = Object.create(null);
+ this.times = [];
+ }
+
+ time(name) {
+ if (name in this.started) {
+ (0, _util.warn)(`Timer is already running for ${name}`);
+ }
+
+ this.started[name] = Date.now();
+ }
+
+ timeEnd(name) {
+ if (!(name in this.started)) {
+ (0, _util.warn)(`Timer has not been started for ${name}`);
+ }
+
+ this.times.push({
+ name,
+ start: this.started[name],
+ end: Date.now()
+ });
+ delete this.started[name];
+ }
+
+ toString() {
+ const outBuf = [];
+ let longest = 0;
+
+ for (const time of this.times) {
+ const name = time.name;
+
+ if (name.length > longest) {
+ longest = name.length;
+ }
+ }
+
+ for (const time of this.times) {
+ const duration = time.end - time.start;
+ outBuf.push(`${time.name.padEnd(longest)} ${duration}ms\n`);
+ }
+
+ return outBuf.join("");
+ }
+
+}
+
+exports.StatTimer = StatTimer;
+
+function isFetchSupported() {
+ return typeof fetch !== "undefined" && typeof Response !== "undefined" && "body" in Response.prototype && typeof ReadableStream !== "undefined";
+}
+
+function isValidFetchUrl(url, baseUrl) {
+ try {
+ const {
+ protocol
+ } = baseUrl ? new URL(url, baseUrl) : new URL(url);
+ return protocol === "http:" || protocol === "https:";
+ } catch (ex) {
+ return false;
+ }
+}
+
+function loadScript(src, removeScriptElement = false) {
+ return new Promise((resolve, reject) => {
+ const script = document.createElement("script");
+ script.src = src;
+
+ script.onload = function (evt) {
+ if (removeScriptElement) {
+ script.remove();
+ }
+
+ resolve(evt);
+ };
+
+ script.onerror = function () {
+ reject(new Error(`Cannot load script at: ${script.src}`));
+ };
+
+ (document.head || document.documentElement).appendChild(script);
+ });
+}
+
+function deprecated(details) {
+ console.log("Deprecated API usage: " + details);
+}
+
+let pdfDateStringRegex;
+
+class PDFDateString {
+ static toDateObject(input) {
+ if (!input || !(0, _util.isString)(input)) {
+ return null;
+ }
+
+ if (!pdfDateStringRegex) {
+ pdfDateStringRegex = new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?");
+ }
+
+ const matches = pdfDateStringRegex.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));
+ }
+
+}
+
+exports.PDFDateString = PDFDateString;
+
+/***/ }),
+/* 2 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.arrayByteLength = arrayByteLength;
+exports.arraysToBytes = arraysToBytes;
+exports.assert = assert;
+exports.bytesToString = bytesToString;
+exports.createPromiseCapability = createPromiseCapability;
+exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
+exports.encodeToXmlString = encodeToXmlString;
+exports.escapeString = escapeString;
+exports.getModificationDate = getModificationDate;
+exports.getVerbosityLevel = getVerbosityLevel;
+exports.info = info;
+exports.isArrayBuffer = isArrayBuffer;
+exports.isArrayEqual = isArrayEqual;
+exports.isAscii = isAscii;
+exports.isBool = isBool;
+exports.isNum = isNum;
+exports.isSameOrigin = isSameOrigin;
+exports.isString = isString;
+exports.objectFromEntries = objectFromEntries;
+exports.objectSize = objectSize;
+exports.removeNullCharacters = removeNullCharacters;
+exports.setVerbosityLevel = setVerbosityLevel;
+exports.shadow = shadow;
+exports.string32 = string32;
+exports.stringToBytes = stringToBytes;
+exports.stringToPDFString = stringToPDFString;
+exports.stringToUTF16BEString = stringToUTF16BEString;
+exports.stringToUTF8String = stringToUTF8String;
+exports.unreachable = unreachable;
+exports.utf8StringToString = utf8StringToString;
+exports.warn = warn;
+exports.VerbosityLevel = exports.Util = exports.UNSUPPORTED_FEATURES = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.PageActionEventType = exports.OPS = exports.MissingPDFException = exports.IsLittleEndianCached = exports.IsEvalSupportedCached = exports.InvalidPDFException = exports.ImageKind = exports.IDENTITY_MATRIX = exports.FormatError = exports.FontType = exports.FONT_IDENTITY_MATRIX = exports.DocumentActionEventType = exports.createObjectURL = exports.CMapCompressionType = exports.BaseException = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.AnnotationActionEventType = exports.AbortException = void 0;
+
+__w_pdfjs_require__(3);
+
+const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
+exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
+const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
+exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
+const PermissionFlag = {
+ PRINT: 0x04,
+ MODIFY_CONTENTS: 0x08,
+ COPY: 0x10,
+ MODIFY_ANNOTATIONS: 0x20,
+ FILL_INTERACTIVE_FORMS: 0x100,
+ COPY_FOR_ACCESSIBILITY: 0x200,
+ ASSEMBLE: 0x400,
+ PRINT_HIGH_QUALITY: 0x800
+};
+exports.PermissionFlag = PermissionFlag;
+const TextRenderingMode = {
+ FILL: 0,
+ STROKE: 1,
+ FILL_STROKE: 2,
+ INVISIBLE: 3,
+ FILL_ADD_TO_PATH: 4,
+ STROKE_ADD_TO_PATH: 5,
+ FILL_STROKE_ADD_TO_PATH: 6,
+ ADD_TO_PATH: 7,
+ FILL_STROKE_MASK: 3,
+ ADD_TO_PATH_FLAG: 4
+};
+exports.TextRenderingMode = TextRenderingMode;
+const ImageKind = {
+ GRAYSCALE_1BPP: 1,
+ RGB_24BPP: 2,
+ RGBA_32BPP: 3
+};
+exports.ImageKind = ImageKind;
+const AnnotationType = {
+ TEXT: 1,
+ LINK: 2,
+ FREETEXT: 3,
+ LINE: 4,
+ SQUARE: 5,
+ CIRCLE: 6,
+ POLYGON: 7,
+ POLYLINE: 8,
+ HIGHLIGHT: 9,
+ UNDERLINE: 10,
+ SQUIGGLY: 11,
+ STRIKEOUT: 12,
+ STAMP: 13,
+ CARET: 14,
+ INK: 15,
+ POPUP: 16,
+ FILEATTACHMENT: 17,
+ SOUND: 18,
+ MOVIE: 19,
+ WIDGET: 20,
+ SCREEN: 21,
+ PRINTERMARK: 22,
+ TRAPNET: 23,
+ WATERMARK: 24,
+ THREED: 25,
+ REDACT: 26
+};
+exports.AnnotationType = AnnotationType;
+const AnnotationStateModelType = {
+ MARKED: "Marked",
+ REVIEW: "Review"
+};
+exports.AnnotationStateModelType = AnnotationStateModelType;
+const AnnotationMarkedState = {
+ MARKED: "Marked",
+ UNMARKED: "Unmarked"
+};
+exports.AnnotationMarkedState = AnnotationMarkedState;
+const AnnotationReviewState = {
+ ACCEPTED: "Accepted",
+ REJECTED: "Rejected",
+ CANCELLED: "Cancelled",
+ COMPLETED: "Completed",
+ NONE: "None"
+};
+exports.AnnotationReviewState = AnnotationReviewState;
+const AnnotationReplyType = {
+ GROUP: "Group",
+ REPLY: "R"
+};
+exports.AnnotationReplyType = AnnotationReplyType;
+const AnnotationFlag = {
+ INVISIBLE: 0x01,
+ HIDDEN: 0x02,
+ PRINT: 0x04,
+ NOZOOM: 0x08,
+ NOROTATE: 0x10,
+ NOVIEW: 0x20,
+ READONLY: 0x40,
+ LOCKED: 0x80,
+ TOGGLENOVIEW: 0x100,
+ LOCKEDCONTENTS: 0x200
+};
+exports.AnnotationFlag = AnnotationFlag;
+const AnnotationFieldFlag = {
+ READONLY: 0x0000001,
+ REQUIRED: 0x0000002,
+ NOEXPORT: 0x0000004,
+ MULTILINE: 0x0001000,
+ PASSWORD: 0x0002000,
+ NOTOGGLETOOFF: 0x0004000,
+ RADIO: 0x0008000,
+ PUSHBUTTON: 0x0010000,
+ COMBO: 0x0020000,
+ EDIT: 0x0040000,
+ SORT: 0x0080000,
+ FILESELECT: 0x0100000,
+ MULTISELECT: 0x0200000,
+ DONOTSPELLCHECK: 0x0400000,
+ DONOTSCROLL: 0x0800000,
+ COMB: 0x1000000,
+ RICHTEXT: 0x2000000,
+ RADIOSINUNISON: 0x2000000,
+ COMMITONSELCHANGE: 0x4000000
+};
+exports.AnnotationFieldFlag = AnnotationFieldFlag;
+const AnnotationBorderStyleType = {
+ SOLID: 1,
+ DASHED: 2,
+ BEVELED: 3,
+ INSET: 4,
+ UNDERLINE: 5
+};
+exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
+const AnnotationActionEventType = {
+ E: "MouseEnter",
+ X: "MouseExit",
+ D: "MouseDown",
+ U: "MouseUp",
+ Fo: "Focus",
+ Bl: "Blur",
+ PO: "PageOpen",
+ PC: "PageClose",
+ PV: "PageVisible",
+ PI: "PageInvisible",
+ K: "Keystroke",
+ F: "Format",
+ V: "Validate",
+ C: "Calculate"
+};
+exports.AnnotationActionEventType = AnnotationActionEventType;
+const DocumentActionEventType = {
+ WC: "WillClose",
+ WS: "WillSave",
+ DS: "DidSave",
+ WP: "WillPrint",
+ DP: "DidPrint"
+};
+exports.DocumentActionEventType = DocumentActionEventType;
+const PageActionEventType = {
+ O: "PageOpen",
+ C: "PageClose"
+};
+exports.PageActionEventType = PageActionEventType;
+const StreamType = {
+ UNKNOWN: "UNKNOWN",
+ FLATE: "FLATE",
+ LZW: "LZW",
+ DCT: "DCT",
+ JPX: "JPX",
+ JBIG: "JBIG",
+ A85: "A85",
+ AHX: "AHX",
+ CCF: "CCF",
+ RLX: "RLX"
+};
+exports.StreamType = StreamType;
+const FontType = {
+ UNKNOWN: "UNKNOWN",
+ TYPE1: "TYPE1",
+ TYPE1C: "TYPE1C",
+ CIDFONTTYPE0: "CIDFONTTYPE0",
+ CIDFONTTYPE0C: "CIDFONTTYPE0C",
+ TRUETYPE: "TRUETYPE",
+ CIDFONTTYPE2: "CIDFONTTYPE2",
+ TYPE3: "TYPE3",
+ OPENTYPE: "OPENTYPE",
+ TYPE0: "TYPE0",
+ MMTYPE1: "MMTYPE1"
+};
+exports.FontType = FontType;
+const VerbosityLevel = {
+ ERRORS: 0,
+ WARNINGS: 1,
+ INFOS: 5
+};
+exports.VerbosityLevel = VerbosityLevel;
+const CMapCompressionType = {
+ NONE: 0,
+ BINARY: 1,
+ STREAM: 2
+};
+exports.CMapCompressionType = CMapCompressionType;
+const OPS = {
+ dependency: 1,
+ setLineWidth: 2,
+ setLineCap: 3,
+ setLineJoin: 4,
+ setMiterLimit: 5,
+ setDash: 6,
+ setRenderingIntent: 7,
+ setFlatness: 8,
+ setGState: 9,
+ save: 10,
+ restore: 11,
+ transform: 12,
+ moveTo: 13,
+ lineTo: 14,
+ curveTo: 15,
+ curveTo2: 16,
+ curveTo3: 17,
+ closePath: 18,
+ rectangle: 19,
+ stroke: 20,
+ closeStroke: 21,
+ fill: 22,
+ eoFill: 23,
+ fillStroke: 24,
+ eoFillStroke: 25,
+ closeFillStroke: 26,
+ closeEOFillStroke: 27,
+ endPath: 28,
+ clip: 29,
+ eoClip: 30,
+ beginText: 31,
+ endText: 32,
+ setCharSpacing: 33,
+ setWordSpacing: 34,
+ setHScale: 35,
+ setLeading: 36,
+ setFont: 37,
+ setTextRenderingMode: 38,
+ setTextRise: 39,
+ moveText: 40,
+ setLeadingMoveText: 41,
+ setTextMatrix: 42,
+ nextLine: 43,
+ showText: 44,
+ showSpacedText: 45,
+ nextLineShowText: 46,
+ nextLineSetSpacingShowText: 47,
+ setCharWidth: 48,
+ setCharWidthAndBounds: 49,
+ setStrokeColorSpace: 50,
+ setFillColorSpace: 51,
+ setStrokeColor: 52,
+ setStrokeColorN: 53,
+ setFillColor: 54,
+ setFillColorN: 55,
+ setStrokeGray: 56,
+ setFillGray: 57,
+ setStrokeRGBColor: 58,
+ setFillRGBColor: 59,
+ setStrokeCMYKColor: 60,
+ setFillCMYKColor: 61,
+ shadingFill: 62,
+ beginInlineImage: 63,
+ beginImageData: 64,
+ endInlineImage: 65,
+ paintXObject: 66,
+ markPoint: 67,
+ markPointProps: 68,
+ beginMarkedContent: 69,
+ beginMarkedContentProps: 70,
+ endMarkedContent: 71,
+ beginCompat: 72,
+ endCompat: 73,
+ paintFormXObjectBegin: 74,
+ paintFormXObjectEnd: 75,
+ beginGroup: 76,
+ endGroup: 77,
+ beginAnnotations: 78,
+ endAnnotations: 79,
+ beginAnnotation: 80,
+ endAnnotation: 81,
+ paintJpegXObject: 82,
+ paintImageMaskXObject: 83,
+ paintImageMaskXObjectGroup: 84,
+ paintImageXObject: 85,
+ paintInlineImageXObject: 86,
+ paintInlineImageXObjectGroup: 87,
+ paintImageXObjectRepeat: 88,
+ paintImageMaskXObjectRepeat: 89,
+ paintSolidColorImageMask: 90,
+ constructPath: 91
+};
+exports.OPS = OPS;
+const UNSUPPORTED_FEATURES = {
+ unknown: "unknown",
+ forms: "forms",
+ javaScript: "javaScript",
+ smask: "smask",
+ shadingPattern: "shadingPattern",
+ font: "font",
+ errorTilingPattern: "errorTilingPattern",
+ errorExtGState: "errorExtGState",
+ errorXObject: "errorXObject",
+ errorFontLoadType3: "errorFontLoadType3",
+ errorFontState: "errorFontState",
+ errorFontMissing: "errorFontMissing",
+ errorFontTranslate: "errorFontTranslate",
+ errorColorSpace: "errorColorSpace",
+ errorOperatorList: "errorOperatorList",
+ errorFontToUnicode: "errorFontToUnicode",
+ errorFontLoadNative: "errorFontLoadNative",
+ errorFontGetPath: "errorFontGetPath",
+ errorMarkedContent: "errorMarkedContent"
+};
+exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
+const PasswordResponses = {
+ NEED_PASSWORD: 1,
+ INCORRECT_PASSWORD: 2
+};
+exports.PasswordResponses = PasswordResponses;
+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 isSameOrigin(baseUrl, otherUrl) {
+ let base;
+
+ try {
+ base = new URL(baseUrl);
+
+ if (!base.origin || base.origin === "null") {
+ return false;
+ }
+ } catch (e) {
+ return false;
+ }
+
+ const other = new URL(otherUrl, base);
+ return base.origin === other.origin;
+}
+
+function _isValidProtocol(url) {
+ if (!url) {
+ return false;
+ }
+
+ switch (url.protocol) {
+ case "http:":
+ case "https:":
+ case "ftp:":
+ case "mailto:":
+ case "tel:":
+ return true;
+
+ default:
+ return false;
+ }
+}
+
+function createValidAbsoluteUrl(url, baseUrl) {
+ if (!url) {
+ return null;
+ }
+
+ try {
+ const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
+
+ if (_isValidProtocol(absoluteUrl)) {
+ return absoluteUrl;
+ }
+ } catch (ex) {}
+
+ return null;
+}
+
+function shadow(obj, prop, value) {
+ Object.defineProperty(obj, prop, {
+ value,
+ enumerable: true,
+ configurable: true,
+ writable: false
+ });
+ return value;
+}
+
+const BaseException = function BaseExceptionClosure() {
+ function BaseException(message) {
+ if (this.constructor === BaseException) {
+ unreachable("Cannot initialize BaseException.");
+ }
+
+ this.message = message;
+ this.name = this.constructor.name;
+ }
+
+ BaseException.prototype = new Error();
+ BaseException.constructor = BaseException;
+ return BaseException;
+}();
+
+exports.BaseException = BaseException;
+
+class PasswordException extends BaseException {
+ constructor(msg, code) {
+ super(msg);
+ this.code = code;
+ }
+
+}
+
+exports.PasswordException = PasswordException;
+
+class UnknownErrorException extends BaseException {
+ constructor(msg, details) {
+ super(msg);
+ this.details = details;
+ }
+
+}
+
+exports.UnknownErrorException = UnknownErrorException;
+
+class InvalidPDFException extends BaseException {}
+
+exports.InvalidPDFException = InvalidPDFException;
+
+class MissingPDFException extends BaseException {}
+
+exports.MissingPDFException = MissingPDFException;
+
+class UnexpectedResponseException extends BaseException {
+ constructor(msg, status) {
+ super(msg);
+ this.status = status;
+ }
+
+}
+
+exports.UnexpectedResponseException = UnexpectedResponseException;
+
+class FormatError extends BaseException {}
+
+exports.FormatError = FormatError;
+
+class AbortException extends BaseException {}
+
+exports.AbortException = AbortException;
+const NullCharactersRegExp = /\x00/g;
+
+function removeNullCharacters(str) {
+ if (typeof str !== "string") {
+ warn("The argument for removeNullCharacters must be a string.");
+ return str;
+ }
+
+ return str.replace(NullCharactersRegExp, "");
+}
+
+function bytesToString(bytes) {
+ assert(bytes !== null && typeof bytes === "object" && bytes.length !== undefined, "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) {
+ assert(typeof str === "string", "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 arrayByteLength(arr) {
+ if (arr.length !== undefined) {
+ return arr.length;
+ }
+
+ assert(arr.byteLength !== undefined, "arrayByteLength - invalid argument.");
+ return arr.byteLength;
+}
+
+function arraysToBytes(arr) {
+ const length = arr.length;
+
+ if (length === 1 && arr[0] instanceof Uint8Array) {
+ return arr[0];
+ }
+
+ let resultLength = 0;
+
+ for (let i = 0; i < length; i++) {
+ resultLength += arrayByteLength(arr[i]);
+ }
+
+ let pos = 0;
+ const data = new Uint8Array(resultLength);
+
+ for (let i = 0; i < length; i++) {
+ let item = arr[i];
+
+ if (!(item instanceof Uint8Array)) {
+ if (typeof item === "string") {
+ item = stringToBytes(item);
+ } else {
+ item = new Uint8Array(item);
+ }
+ }
+
+ const itemLength = item.byteLength;
+ data.set(item, pos);
+ pos += itemLength;
+ }
+
+ return data;
+}
+
+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 objectFromEntries(iterable) {
+ return Object.assign(Object.create(null), Object.fromEntries(iterable));
+}
+
+function isLittleEndian() {
+ const buffer8 = new Uint8Array(4);
+ buffer8[0] = 1;
+ const view32 = new Uint32Array(buffer8.buffer, 0, 1);
+ return view32[0] === 1;
+}
+
+const IsLittleEndianCached = {
+ get value() {
+ return shadow(this, "value", isLittleEndian());
+ }
+
+};
+exports.IsLittleEndianCached = IsLittleEndianCached;
+
+function isEvalSupported() {
+ try {
+ new Function("");
+ return true;
+ } catch (e) {
+ return false;
+ }
+}
+
+const IsEvalSupportedCached = {
+ get value() {
+ return shadow(this, "value", isEvalSupported());
+ }
+
+};
+exports.IsEvalSupportedCached = IsEvalSupportedCached;
+const hexNumbers = [...Array(256).keys()].map(n => n.toString(16).padStart(2, "0"));
+
+class Util {
+ static makeHexColor(r, g, b) {
+ return `#${hexNumbers[r]}${hexNumbers[g]}${hexNumbers[b]}`;
+ }
+
+ 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 = Util.applyTransform(r, m);
+ const p2 = Util.applyTransform(r.slice(2, 4), m);
+ const p3 = Util.applyTransform([r[0], r[3]], m);
+ const p4 = Util.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 apply3dTransform(m, v) {
+ return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
+ }
+
+ 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) * (a + d) - 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) {
+ function compare(a, b) {
+ return a - b;
+ }
+
+ const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
+ const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
+ const result = [];
+ rect1 = Util.normalizeRect(rect1);
+ rect2 = Util.normalizeRect(rect2);
+
+ if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
+ result[0] = orderedX[1];
+ result[2] = orderedX[2];
+ } else {
+ return null;
+ }
+
+ if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
+ result[1] = orderedY[1];
+ result[3] = orderedY[2];
+ } else {
+ return null;
+ }
+
+ return result;
+ }
+
+}
+
+exports.Util = Util;
+const PDFStringTranslateTable = [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) {
+ const length = str.length,
+ strBuf = [];
+
+ if (str[0] === "\xFE" && str[1] === "\xFF") {
+ for (let i = 2; i < length; i += 2) {
+ strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
+ }
+ } else if (str[0] === "\xFF" && str[1] === "\xFE") {
+ for (let i = 2; i < length; i += 2) {
+ strBuf.push(String.fromCharCode(str.charCodeAt(i + 1) << 8 | str.charCodeAt(i)));
+ }
+ } else {
+ for (let i = 0; i < length; ++i) {
+ const code = PDFStringTranslateTable[str.charCodeAt(i)];
+ strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
+ }
+ }
+
+ return strBuf.join("");
+}
+
+function escapeString(str) {
+ return str.replace(/([()\\\n\r])/g, match => {
+ if (match === "\n") {
+ return "\\n";
+ } else if (match === "\r") {
+ return "\\r";
+ }
+
+ return `\\${match}`;
+ });
+}
+
+function isAscii(str) {
+ return /^[\x00-\x7F]*$/.test(str);
+}
+
+function stringToUTF16BEString(str) {
+ const buf = ["\xFE\xFF"];
+
+ for (let i = 0, ii = str.length; i < ii; i++) {
+ const char = str.charCodeAt(i);
+ buf.push(String.fromCharCode(char >> 8 & 0xff));
+ buf.push(String.fromCharCode(char & 0xff));
+ }
+
+ return buf.join("");
+}
+
+function stringToUTF8String(str) {
+ return decodeURIComponent(escape(str));
+}
+
+function utf8StringToString(str) {
+ return unescape(encodeURIComponent(str));
+}
+
+function isBool(v) {
+ return typeof v === "boolean";
+}
+
+function isNum(v) {
+ return typeof v === "number";
+}
+
+function isString(v) {
+ return typeof v === "string";
+}
+
+function isArrayBuffer(v) {
+ return typeof v === "object" && v !== null && v.byteLength !== undefined;
+}
+
+function isArrayEqual(arr1, arr2) {
+ if (arr1.length !== arr2.length) {
+ return false;
+ }
+
+ return arr1.every(function (element, index) {
+ return element === arr2[index];
+ });
+}
+
+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("");
+}
+
+function createPromiseCapability() {
+ const capability = Object.create(null);
+ let isSettled = false;
+ Object.defineProperty(capability, "settled", {
+ get() {
+ return isSettled;
+ }
+
+ });
+ capability.promise = new Promise(function (resolve, reject) {
+ capability.resolve = function (data) {
+ isSettled = true;
+ resolve(data);
+ };
+
+ capability.reject = function (reason) {
+ isSettled = true;
+ reject(reason);
+ };
+ });
+ return capability;
+}
+
+const createObjectURL = function createObjectURLClosure() {
+ const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+ return function createObjectURL(data, contentType, forceDataSchema = false) {
+ if (!forceDataSchema && URL.createObjectURL) {
+ const blob = new Blob([data], {
+ type: contentType
+ });
+ return URL.createObjectURL(blob);
+ }
+
+ let buffer = `data:${contentType};base64,`;
+
+ for (let i = 0, ii = data.length; i < ii; i += 3) {
+ const b1 = data[i] & 0xff;
+ const b2 = data[i + 1] & 0xff;
+ const b3 = data[i + 2] & 0xff;
+ const d1 = b1 >> 2,
+ d2 = (b1 & 3) << 4 | b2 >> 4;
+ const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
+ const d4 = i + 2 < ii ? b3 & 0x3f : 64;
+ buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
+ }
+
+ return buffer;
+ };
+}();
+
+exports.createObjectURL = createObjectURL;
+const XMLEntities = {
+ 0x3c: "&lt;",
+ 0x3e: "&gt;",
+ 0x26: "&amp;",
+ 0x22: "&quot;",
+ 0x27: "&apos;"
+};
+
+function encodeToXmlString(str) {
+ const buffer = [];
+ let start = 0;
+
+ for (let i = 0, ii = str.length; i < ii; i++) {
+ const char = str.codePointAt(i);
+
+ if (0x20 <= char && char <= 0x7e) {
+ const entity = XMLEntities[char];
+
+ if (entity) {
+ if (start < i) {
+ buffer.push(str.substring(start, i));
+ }
+
+ buffer.push(entity);
+ start = i + 1;
+ }
+ } else {
+ if (start < i) {
+ buffer.push(str.substring(start, i));
+ }
+
+ buffer.push(`&#x${char.toString(16).toUpperCase()};`);
+
+ if (char > 0xd7ff && (char < 0xe000 || char > 0xfffd)) {
+ i++;
+ }
+
+ start = i + 1;
+ }
+ }
+
+ if (buffer.length === 0) {
+ return str;
+ }
+
+ if (start < str.length) {
+ buffer.push(str.substring(start, str.length));
+ }
+
+ return buffer.join("");
+}
+
+/***/ }),
+/* 3 */
+/***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {
+
+
+
+var _is_node = __w_pdfjs_require__(4);
+
+;
+
+/***/ }),
+/* 4 */
+/***/ ((__unused_webpack_module, exports) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.isNodeJS = void 0;
+const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
+exports.isNodeJS = isNodeJS;
+
+/***/ }),
+/* 5 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.getDocument = getDocument;
+exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
+exports.version = exports.PDFWorker = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFDataRangeTransport = exports.LoopbackPort = exports.DefaultCMapReaderFactory = exports.DefaultCanvasFactory = exports.build = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _font_loader = __w_pdfjs_require__(6);
+
+var _node_utils = __w_pdfjs_require__(7);
+
+var _annotation_storage = __w_pdfjs_require__(8);
+
+var _api_compatibility = __w_pdfjs_require__(9);
+
+var _canvas = __w_pdfjs_require__(10);
+
+var _worker_options = __w_pdfjs_require__(12);
+
+var _is_node = __w_pdfjs_require__(4);
+
+var _message_handler = __w_pdfjs_require__(13);
+
+var _metadata = __w_pdfjs_require__(14);
+
+var _optional_content_config = __w_pdfjs_require__(16);
+
+var _transport_stream = __w_pdfjs_require__(17);
+
+var _webgl = __w_pdfjs_require__(18);
+
+const DEFAULT_RANGE_CHUNK_SIZE = 65536;
+const RENDERING_CANCELLED_TIMEOUT = 100;
+const DefaultCanvasFactory = _display_utils.DOMCanvasFactory;
+exports.DefaultCanvasFactory = DefaultCanvasFactory;
+const DefaultCMapReaderFactory = _display_utils.DOMCMapReaderFactory;
+exports.DefaultCMapReaderFactory = DefaultCMapReaderFactory;
+let createPDFNetworkStream;
+
+function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
+ createPDFNetworkStream = pdfNetworkStreamFactory;
+}
+
+function getDocument(src) {
+ const task = new PDFDocumentLoadingTask();
+ let source;
+
+ if (typeof src === "string") {
+ source = {
+ url: src
+ };
+ } else if ((0, _util.isArrayBuffer)(src)) {
+ source = {
+ data: src
+ };
+ } else if (src instanceof PDFDataRangeTransport) {
+ source = {
+ range: src
+ };
+ } else {
+ if (typeof src !== "object") {
+ throw new Error("Invalid parameter in getDocument, " + "need either Uint8Array, string or a parameter object");
+ }
+
+ if (!src.url && !src.data && !src.range) {
+ throw new Error("Invalid parameter object: need either .data, .range or .url");
+ }
+
+ source = src;
+ }
+
+ const params = Object.create(null);
+ let rangeTransport = null,
+ worker = null;
+
+ for (const key in source) {
+ if (key === "url" && typeof window !== "undefined") {
+ params[key] = new URL(source[key], window.location).href;
+ continue;
+ } else if (key === "range") {
+ rangeTransport = source[key];
+ continue;
+ } else if (key === "worker") {
+ worker = source[key];
+ continue;
+ } else if (key === "data" && !(source[key] instanceof Uint8Array)) {
+ const pdfBytes = source[key];
+
+ if (typeof pdfBytes === "string") {
+ params[key] = (0, _util.stringToBytes)(pdfBytes);
+ } else if (typeof pdfBytes === "object" && pdfBytes !== null && !isNaN(pdfBytes.length)) {
+ params[key] = new Uint8Array(pdfBytes);
+ } else if ((0, _util.isArrayBuffer)(pdfBytes)) {
+ params[key] = new Uint8Array(pdfBytes);
+ } else {
+ throw new Error("Invalid PDF binary data: either typed array, " + "string or array-like object is expected in the " + "data property.");
+ }
+
+ continue;
+ }
+
+ params[key] = source[key];
+ }
+
+ params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
+ params.CMapReaderFactory = params.CMapReaderFactory || DefaultCMapReaderFactory;
+ params.ignoreErrors = params.stopAtErrors !== true;
+ params.fontExtraProperties = params.fontExtraProperties === true;
+ params.pdfBug = params.pdfBug === true;
+
+ if (!Number.isInteger(params.maxImageSize)) {
+ params.maxImageSize = -1;
+ }
+
+ if (typeof params.isEvalSupported !== "boolean") {
+ params.isEvalSupported = true;
+ }
+
+ if (typeof params.disableFontFace !== "boolean") {
+ params.disableFontFace = _api_compatibility.apiCompatibilityParams.disableFontFace || false;
+ }
+
+ if (typeof params.ownerDocument === "undefined") {
+ params.ownerDocument = globalThis.document;
+ }
+
+ if (typeof params.disableRange !== "boolean") {
+ params.disableRange = false;
+ }
+
+ if (typeof params.disableStream !== "boolean") {
+ params.disableStream = false;
+ }
+
+ if (typeof params.disableAutoFetch !== "boolean") {
+ params.disableAutoFetch = false;
+ }
+
+ (0, _util.setVerbosityLevel)(params.verbosity);
+
+ if (!worker) {
+ const workerParams = {
+ verbosity: params.verbosity,
+ port: _worker_options.GlobalWorkerOptions.workerPort
+ };
+ worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
+ task._worker = worker;
+ }
+
+ const docId = task.docId;
+ worker.promise.then(function () {
+ if (task.destroyed) {
+ throw new Error("Loading aborted");
+ }
+
+ const workerIdPromise = _fetchDocument(worker, params, rangeTransport, docId);
+
+ const networkStreamPromise = new Promise(function (resolve) {
+ let networkStream;
+
+ if (rangeTransport) {
+ networkStream = new _transport_stream.PDFDataTransportStream({
+ length: params.length,
+ initialData: params.initialData,
+ progressiveDone: params.progressiveDone,
+ disableRange: params.disableRange,
+ disableStream: params.disableStream
+ }, rangeTransport);
+ } else if (!params.data) {
+ networkStream = createPDFNetworkStream({
+ url: params.url,
+ length: params.length,
+ httpHeaders: params.httpHeaders,
+ withCredentials: params.withCredentials,
+ rangeChunkSize: params.rangeChunkSize,
+ disableRange: params.disableRange,
+ disableStream: params.disableStream
+ });
+ }
+
+ resolve(networkStream);
+ });
+ return Promise.all([workerIdPromise, networkStreamPromise]).then(function ([workerId, networkStream]) {
+ if (task.destroyed) {
+ throw new Error("Loading aborted");
+ }
+
+ const messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
+ messageHandler.postMessageTransfers = worker.postMessageTransfers;
+ const transport = new WorkerTransport(messageHandler, task, networkStream, params);
+ task._transport = transport;
+ messageHandler.send("Ready", null);
+ });
+ }).catch(task._capability.reject);
+ return task;
+}
+
+function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
+ if (worker.destroyed) {
+ return Promise.reject(new Error("Worker was destroyed"));
+ }
+
+ if (pdfDataRangeTransport) {
+ source.length = pdfDataRangeTransport.length;
+ source.initialData = pdfDataRangeTransport.initialData;
+ source.progressiveDone = pdfDataRangeTransport.progressiveDone;
+ }
+
+ return worker.messageHandler.sendWithPromise("GetDocRequest", {
+ docId,
+ apiVersion: '2.7.510',
+ source: {
+ data: source.data,
+ url: source.url,
+ password: source.password,
+ disableAutoFetch: source.disableAutoFetch,
+ rangeChunkSize: source.rangeChunkSize,
+ length: source.length
+ },
+ maxImageSize: source.maxImageSize,
+ disableFontFace: source.disableFontFace,
+ postMessageTransfers: worker.postMessageTransfers,
+ docBaseUrl: source.docBaseUrl,
+ ignoreErrors: source.ignoreErrors,
+ isEvalSupported: source.isEvalSupported,
+ fontExtraProperties: source.fontExtraProperties
+ }).then(function (workerId) {
+ if (worker.destroyed) {
+ throw new Error("Worker was destroyed");
+ }
+
+ return workerId;
+ });
+}
+
+const PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
+ let nextDocumentId = 0;
+
+ class PDFDocumentLoadingTask {
+ constructor() {
+ this._capability = (0, _util.createPromiseCapability)();
+ this._transport = null;
+ this._worker = null;
+ this.docId = "d" + nextDocumentId++;
+ this.destroyed = false;
+ this.onPassword = null;
+ this.onProgress = null;
+ this.onUnsupportedFeature = null;
+ }
+
+ get promise() {
+ return this._capability.promise;
+ }
+
+ destroy() {
+ this.destroyed = true;
+ const transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
+ return transportDestroyed.then(() => {
+ this._transport = null;
+
+ if (this._worker) {
+ this._worker.destroy();
+
+ this._worker = null;
+ }
+ });
+ }
+
+ }
+
+ return PDFDocumentLoadingTask;
+}();
+
+class PDFDataRangeTransport {
+ constructor(length, initialData, progressiveDone = false) {
+ this.length = length;
+ this.initialData = initialData;
+ this.progressiveDone = progressiveDone;
+ this._rangeListeners = [];
+ this._progressListeners = [];
+ this._progressiveReadListeners = [];
+ this._progressiveDoneListeners = [];
+ this._readyCapability = (0, _util.createPromiseCapability)();
+ }
+
+ 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) {
+ (0, _util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange");
+ }
+
+ abort() {}
+
+}
+
+exports.PDFDataRangeTransport = PDFDataRangeTransport;
+
+class PDFDocumentProxy {
+ constructor(pdfInfo, transport) {
+ this._pdfInfo = pdfInfo;
+ this._transport = transport;
+ }
+
+ get annotationStorage() {
+ return (0, _util.shadow)(this, "annotationStorage", new _annotation_storage.AnnotationStorage());
+ }
+
+ get numPages() {
+ return this._pdfInfo.numPages;
+ }
+
+ get fingerprint() {
+ return this._pdfInfo.fingerprint;
+ }
+
+ 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();
+ }
+
+ getJavaScript() {
+ return this._transport.getJavaScript();
+ }
+
+ getJSActions() {
+ return this._transport.getDocJSActions();
+ }
+
+ getOutline() {
+ return this._transport.getOutline();
+ }
+
+ getOptionalContentConfig() {
+ return this._transport.getOptionalContentConfig();
+ }
+
+ getPermissions() {
+ return this._transport.getPermissions();
+ }
+
+ getMetadata() {
+ return this._transport.getMetadata();
+ }
+
+ getMarkInfo() {
+ return this._transport.getMarkInfo();
+ }
+
+ getData() {
+ return this._transport.getData();
+ }
+
+ getDownloadInfo() {
+ return this._transport.downloadInfoCapability.promise;
+ }
+
+ getStats() {
+ return this._transport.getStats();
+ }
+
+ cleanup() {
+ return this._transport.startCleanup();
+ }
+
+ destroy() {
+ return this.loadingTask.destroy();
+ }
+
+ get loadingParams() {
+ return this._transport.loadingParams;
+ }
+
+ get loadingTask() {
+ return this._transport.loadingTask;
+ }
+
+ saveDocument(annotationStorage) {
+ return this._transport.saveDocument(annotationStorage);
+ }
+
+ getFieldObjects() {
+ return this._transport.getFieldObjects();
+ }
+
+ hasJSActions() {
+ return this._transport.hasJSActions();
+ }
+
+ getCalculationOrderIds() {
+ return this._transport.getCalculationOrderIds();
+ }
+
+}
+
+exports.PDFDocumentProxy = PDFDocumentProxy;
+
+class PDFPageProxy {
+ constructor(pageIndex, pageInfo, transport, ownerDocument, pdfBug = false) {
+ this._pageIndex = pageIndex;
+ this._pageInfo = pageInfo;
+ this._ownerDocument = ownerDocument;
+ this._transport = transport;
+ this._stats = pdfBug ? new _display_utils.StatTimer() : null;
+ this._pdfBug = pdfBug;
+ this.commonObjs = transport.commonObjs;
+ this.objs = new PDFObjects();
+ this.cleanupAfterRender = false;
+ this.pendingCleanup = 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 _display_utils.PageViewport({
+ viewBox: this.view,
+ scale,
+ rotation,
+ offsetX,
+ offsetY,
+ dontFlip
+ });
+ }
+
+ getAnnotations({
+ intent = null
+ } = {}) {
+ if (!this.annotationsPromise || this.annotationsIntent !== intent) {
+ this.annotationsPromise = this._transport.getAnnotations(this._pageIndex, intent);
+ this.annotationsIntent = intent;
+ }
+
+ return this.annotationsPromise;
+ }
+
+ getJSActions() {
+ if (!this._jsActionsPromise) {
+ this._jsActionsPromise = this._transport.getPageJSActions(this._pageIndex);
+ }
+
+ return this._jsActionsPromise;
+ }
+
+ render({
+ canvasContext,
+ viewport,
+ intent = "display",
+ enableWebGL = false,
+ renderInteractiveForms = false,
+ transform = null,
+ imageLayer = null,
+ canvasFactory = null,
+ background = null,
+ annotationStorage = null,
+ optionalContentConfigPromise = null
+ }) {
+ if (this._stats) {
+ this._stats.time("Overall");
+ }
+
+ const renderingIntent = intent === "print" ? "print" : "display";
+ this.pendingCleanup = false;
+
+ if (!optionalContentConfigPromise) {
+ optionalContentConfigPromise = this._transport.getOptionalContentConfig();
+ }
+
+ let intentState = this._intentStates.get(renderingIntent);
+
+ if (!intentState) {
+ intentState = Object.create(null);
+
+ this._intentStates.set(renderingIntent, intentState);
+ }
+
+ if (intentState.streamReaderCancelTimeout) {
+ clearTimeout(intentState.streamReaderCancelTimeout);
+ intentState.streamReaderCancelTimeout = null;
+ }
+
+ const canvasFactoryInstance = canvasFactory || new DefaultCanvasFactory({
+ ownerDocument: this._ownerDocument
+ });
+ const webGLContext = new _webgl.WebGLContext({
+ enable: enableWebGL
+ });
+
+ if (!intentState.displayReadyCapability) {
+ intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
+ intentState.operatorList = {
+ fnArray: [],
+ argsArray: [],
+ lastChunk: false
+ };
+
+ if (this._stats) {
+ this._stats.time("Page Request");
+ }
+
+ this._pumpOperatorList({
+ pageIndex: this._pageIndex,
+ intent: renderingIntent,
+ renderInteractiveForms: renderInteractiveForms === true,
+ annotationStorage: annotationStorage?.getAll() || null
+ });
+ }
+
+ const complete = error => {
+ const i = intentState.renderTasks.indexOf(internalRenderTask);
+
+ if (i >= 0) {
+ intentState.renderTasks.splice(i, 1);
+ }
+
+ if (this.cleanupAfterRender || renderingIntent === "print") {
+ this.pendingCleanup = true;
+ }
+
+ this._tryCleanup();
+
+ if (error) {
+ internalRenderTask.capability.reject(error);
+
+ this._abortOperatorList({
+ intentState,
+ reason: error
+ });
+ } else {
+ internalRenderTask.capability.resolve();
+ }
+
+ if (this._stats) {
+ this._stats.timeEnd("Rendering");
+
+ this._stats.timeEnd("Overall");
+ }
+ };
+
+ const internalRenderTask = new InternalRenderTask({
+ callback: complete,
+ params: {
+ canvasContext,
+ viewport,
+ transform,
+ imageLayer,
+ background
+ },
+ objs: this.objs,
+ commonObjs: this.commonObjs,
+ operatorList: intentState.operatorList,
+ pageIndex: this._pageIndex,
+ canvasFactory: canvasFactoryInstance,
+ webGLContext,
+ useRequestAnimationFrame: renderingIntent !== "print",
+ pdfBug: this._pdfBug
+ });
+
+ if (!intentState.renderTasks) {
+ intentState.renderTasks = [];
+ }
+
+ intentState.renderTasks.push(internalRenderTask);
+ const renderTask = internalRenderTask.task;
+ Promise.all([intentState.displayReadyCapability.promise, optionalContentConfigPromise]).then(([transparency, optionalContentConfig]) => {
+ if (this.pendingCleanup) {
+ complete();
+ return;
+ }
+
+ if (this._stats) {
+ this._stats.time("Rendering");
+ }
+
+ internalRenderTask.initializeGraphics({
+ transparency,
+ optionalContentConfig
+ });
+ internalRenderTask.operatorListChanged();
+ }).catch(complete);
+ return renderTask;
+ }
+
+ getOperatorList() {
+ function operatorListChanged() {
+ if (intentState.operatorList.lastChunk) {
+ intentState.opListReadCapability.resolve(intentState.operatorList);
+ const i = intentState.renderTasks.indexOf(opListTask);
+
+ if (i >= 0) {
+ intentState.renderTasks.splice(i, 1);
+ }
+ }
+ }
+
+ const renderingIntent = "oplist";
+
+ let intentState = this._intentStates.get(renderingIntent);
+
+ if (!intentState) {
+ intentState = Object.create(null);
+
+ this._intentStates.set(renderingIntent, intentState);
+ }
+
+ let opListTask;
+
+ if (!intentState.opListReadCapability) {
+ opListTask = Object.create(null);
+ opListTask.operatorListChanged = operatorListChanged;
+ intentState.opListReadCapability = (0, _util.createPromiseCapability)();
+ intentState.renderTasks = [];
+ intentState.renderTasks.push(opListTask);
+ intentState.operatorList = {
+ fnArray: [],
+ argsArray: [],
+ lastChunk: false
+ };
+
+ if (this._stats) {
+ this._stats.time("Page Request");
+ }
+
+ this._pumpOperatorList({
+ pageIndex: this._pageIndex,
+ intent: renderingIntent
+ });
+ }
+
+ return intentState.opListReadCapability.promise;
+ }
+
+ streamTextContent({
+ normalizeWhitespace = false,
+ disableCombineTextItems = false
+ } = {}) {
+ const TEXT_CONTENT_CHUNK_SIZE = 100;
+ return this._transport.messageHandler.sendWithStream("GetTextContent", {
+ pageIndex: this._pageIndex,
+ normalizeWhitespace: normalizeWhitespace === true,
+ combineTextItems: disableCombineTextItems !== true
+ }, {
+ highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
+
+ size(textContent) {
+ return textContent.items.length;
+ }
+
+ });
+ }
+
+ getTextContent(params = {}) {
+ const readableStream = this.streamTextContent(params);
+ return new Promise(function (resolve, reject) {
+ function pump() {
+ reader.read().then(function ({
+ value,
+ done
+ }) {
+ if (done) {
+ resolve(textContent);
+ return;
+ }
+
+ Object.assign(textContent.styles, value.styles);
+ textContent.items.push(...value.items);
+ pump();
+ }, reject);
+ }
+
+ const reader = readableStream.getReader();
+ const textContent = {
+ items: [],
+ styles: Object.create(null)
+ };
+ pump();
+ });
+ }
+
+ _destroy() {
+ this.destroyed = true;
+ this._transport.pageCache[this._pageIndex] = null;
+ const waitOn = [];
+
+ for (const [intent, intentState] of this._intentStates) {
+ this._abortOperatorList({
+ intentState,
+ reason: new Error("Page was destroyed."),
+ force: true
+ });
+
+ if (intent === "oplist") {
+ continue;
+ }
+
+ for (const internalRenderTask of intentState.renderTasks) {
+ waitOn.push(internalRenderTask.completed);
+ internalRenderTask.cancel();
+ }
+ }
+
+ this.objs.clear();
+ this.annotationsPromise = null;
+ this._jsActionsPromise = null;
+ this.pendingCleanup = false;
+ return Promise.all(waitOn);
+ }
+
+ cleanup(resetStats = false) {
+ this.pendingCleanup = true;
+ return this._tryCleanup(resetStats);
+ }
+
+ _tryCleanup(resetStats = false) {
+ if (!this.pendingCleanup) {
+ return false;
+ }
+
+ for (const {
+ renderTasks,
+ operatorList
+ } of this._intentStates.values()) {
+ if (renderTasks.length !== 0 || !operatorList.lastChunk) {
+ return false;
+ }
+ }
+
+ this._intentStates.clear();
+
+ this.objs.clear();
+ this.annotationsPromise = null;
+ this._jsActionsPromise = null;
+
+ if (resetStats && this._stats) {
+ this._stats = new _display_utils.StatTimer();
+ }
+
+ this.pendingCleanup = false;
+ return true;
+ }
+
+ _startRenderPage(transparency, intent) {
+ const intentState = this._intentStates.get(intent);
+
+ if (!intentState) {
+ return;
+ }
+
+ if (this._stats) {
+ this._stats.timeEnd("Page Request");
+ }
+
+ if (intentState.displayReadyCapability) {
+ 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;
+
+ for (let i = 0; i < intentState.renderTasks.length; i++) {
+ intentState.renderTasks[i].operatorListChanged();
+ }
+
+ if (operatorListChunk.lastChunk) {
+ this._tryCleanup();
+ }
+ }
+
+ _pumpOperatorList(args) {
+ (0, _util.assert)(args.intent, 'PDFPageProxy._pumpOperatorList: Expected "intent" argument.');
+
+ const readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", args);
+
+ const reader = readableStream.getReader();
+
+ const intentState = this._intentStates.get(args.intent);
+
+ 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 (let i = 0; i < intentState.renderTasks.length; i++) {
+ intentState.renderTasks[i].operatorListChanged();
+ }
+
+ this._tryCleanup();
+ }
+
+ if (intentState.displayReadyCapability) {
+ intentState.displayReadyCapability.reject(reason);
+ } else if (intentState.opListReadCapability) {
+ intentState.opListReadCapability.reject(reason);
+ } else {
+ throw reason;
+ }
+ });
+ };
+
+ pump();
+ }
+
+ _abortOperatorList({
+ intentState,
+ reason,
+ force = false
+ }) {
+ (0, _util.assert)(reason instanceof Error || typeof reason === "object" && reason !== null, 'PDFPageProxy._abortOperatorList: Expected "reason" argument.');
+
+ if (!intentState.streamReader) {
+ return;
+ }
+
+ if (!force) {
+ if (intentState.renderTasks.length !== 0) {
+ return;
+ }
+
+ if (reason instanceof _display_utils.RenderingCancelledException) {
+ intentState.streamReaderCancelTimeout = setTimeout(() => {
+ this._abortOperatorList({
+ intentState,
+ reason,
+ force: true
+ });
+
+ intentState.streamReaderCancelTimeout = null;
+ }, RENDERING_CANCELLED_TIMEOUT);
+ return;
+ }
+ }
+
+ intentState.streamReader.cancel(new _util.AbortException(reason?.message));
+ intentState.streamReader = null;
+
+ if (this._transport.destroyed) {
+ return;
+ }
+
+ for (const [intent, curIntentState] of this._intentStates) {
+ if (curIntentState === intentState) {
+ this._intentStates.delete(intent);
+
+ break;
+ }
+ }
+
+ this.cleanup();
+ }
+
+ get stats() {
+ return this._stats;
+ }
+
+}
+
+exports.PDFPageProxy = PDFPageProxy;
+
+class LoopbackPort {
+ constructor(defer = true) {
+ this._listeners = [];
+ this._defer = defer;
+ this._deferred = Promise.resolve(undefined);
+ }
+
+ postMessage(obj, transfers) {
+ function cloneValue(value) {
+ if (typeof value !== "object" || value === null) {
+ return value;
+ }
+
+ if (cloned.has(value)) {
+ return cloned.get(value);
+ }
+
+ let buffer, result;
+
+ if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) {
+ if (transfers?.includes(buffer)) {
+ result = new value.constructor(buffer, value.byteOffset, value.byteLength);
+ } else {
+ result = new value.constructor(value);
+ }
+
+ cloned.set(value, result);
+ return result;
+ }
+
+ result = Array.isArray(value) ? [] : {};
+ cloned.set(value, result);
+
+ for (const i in value) {
+ let desc,
+ p = value;
+
+ while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
+ p = Object.getPrototypeOf(p);
+ }
+
+ if (typeof desc.value === "undefined") {
+ continue;
+ }
+
+ if (typeof desc.value === "function") {
+ if (value.hasOwnProperty && value.hasOwnProperty(i)) {
+ throw new Error(`LoopbackPort.postMessage - cannot clone: ${value[i]}`);
+ }
+
+ continue;
+ }
+
+ result[i] = cloneValue(desc.value);
+ }
+
+ return result;
+ }
+
+ if (!this._defer) {
+ this._listeners.forEach(listener => {
+ listener.call(this, {
+ data: obj
+ });
+ });
+
+ return;
+ }
+
+ const cloned = new WeakMap();
+ const e = {
+ data: cloneValue(obj)
+ };
+
+ this._deferred.then(() => {
+ this._listeners.forEach(listener => {
+ listener.call(this, e);
+ });
+ });
+ }
+
+ addEventListener(name, listener) {
+ this._listeners.push(listener);
+ }
+
+ removeEventListener(name, listener) {
+ const i = this._listeners.indexOf(listener);
+
+ this._listeners.splice(i, 1);
+ }
+
+ terminate() {
+ this._listeners.length = 0;
+ }
+
+}
+
+exports.LoopbackPort = LoopbackPort;
+
+const PDFWorker = function PDFWorkerClosure() {
+ const pdfWorkerPorts = new WeakMap();
+ let isWorkerDisabled = false;
+ let fallbackWorkerSrc;
+ let nextFakeWorkerId = 0;
+ let fakeWorkerCapability;
+
+ function getWorkerSrc() {
+ if (_worker_options.GlobalWorkerOptions.workerSrc) {
+ return _worker_options.GlobalWorkerOptions.workerSrc;
+ }
+
+ if (typeof fallbackWorkerSrc !== "undefined") {
+ if (!_is_node.isNodeJS) {
+ (0, _display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.');
+ }
+
+ return fallbackWorkerSrc;
+ }
+
+ throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
+ }
+
+ function getMainThreadWorkerMessageHandler() {
+ let mainWorkerMessageHandler;
+
+ try {
+ mainWorkerMessageHandler = globalThis.pdfjsWorker?.WorkerMessageHandler;
+ } catch (ex) {}
+
+ return mainWorkerMessageHandler || null;
+ }
+
+ function setupFakeWorkerGlobal() {
+ if (fakeWorkerCapability) {
+ return fakeWorkerCapability.promise;
+ }
+
+ fakeWorkerCapability = (0, _util.createPromiseCapability)();
+
+ const loader = async function () {
+ const mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();
+
+ if (mainWorkerMessageHandler) {
+ return mainWorkerMessageHandler;
+ }
+
+ await (0, _display_utils.loadScript)(getWorkerSrc());
+ return window.pdfjsWorker.WorkerMessageHandler;
+ };
+
+ loader().then(fakeWorkerCapability.resolve, fakeWorkerCapability.reject);
+ return fakeWorkerCapability.promise;
+ }
+
+ function createCDNWrapper(url) {
+ const wrapper = "importScripts('" + url + "');";
+ return URL.createObjectURL(new Blob([wrapper]));
+ }
+
+ class PDFWorker {
+ constructor({
+ name = null,
+ port = null,
+ verbosity = (0, _util.getVerbosityLevel)()
+ } = {}) {
+ if (port && pdfWorkerPorts.has(port)) {
+ throw new Error("Cannot use more than one PDFWorker per port");
+ }
+
+ this.name = name;
+ this.destroyed = false;
+ this.postMessageTransfers = true;
+ this.verbosity = verbosity;
+ this._readyCapability = (0, _util.createPromiseCapability)();
+ this._port = null;
+ this._webWorker = null;
+ this._messageHandler = null;
+
+ if (port) {
+ pdfWorkerPorts.set(port, this);
+
+ this._initializeFromPort(port);
+
+ return;
+ }
+
+ this._initialize();
+ }
+
+ get promise() {
+ return this._readyCapability.promise;
+ }
+
+ get port() {
+ return this._port;
+ }
+
+ get messageHandler() {
+ return this._messageHandler;
+ }
+
+ _initializeFromPort(port) {
+ this._port = port;
+ this._messageHandler = new _message_handler.MessageHandler("main", "worker", port);
+
+ this._messageHandler.on("ready", function () {});
+
+ this._readyCapability.resolve();
+ }
+
+ _initialize() {
+ if (typeof Worker !== "undefined" && !isWorkerDisabled && !getMainThreadWorkerMessageHandler()) {
+ let workerSrc = getWorkerSrc();
+
+ try {
+ const worker = new Worker(workerSrc);
+ const messageHandler = new _message_handler.MessageHandler("main", "worker", worker);
+
+ const terminateEarly = () => {
+ worker.removeEventListener("error", onWorkerError);
+ messageHandler.destroy();
+ worker.terminate();
+
+ if (this.destroyed) {
+ this._readyCapability.reject(new Error("Worker was destroyed"));
+ } else {
+ this._setupFakeWorker();
+ }
+ };
+
+ const onWorkerError = () => {
+ if (!this._webWorker) {
+ terminateEarly();
+ }
+ };
+
+ worker.addEventListener("error", onWorkerError);
+ messageHandler.on("test", data => {
+ worker.removeEventListener("error", onWorkerError);
+
+ if (this.destroyed) {
+ terminateEarly();
+ return;
+ }
+
+ if (data) {
+ this._messageHandler = messageHandler;
+ this._port = worker;
+ this._webWorker = worker;
+
+ if (!data.supportTransfers) {
+ this.postMessageTransfers = false;
+ }
+
+ this._readyCapability.resolve();
+
+ messageHandler.send("configure", {
+ verbosity: this.verbosity
+ });
+ } else {
+ this._setupFakeWorker();
+
+ messageHandler.destroy();
+ worker.terminate();
+ }
+ });
+ messageHandler.on("ready", data => {
+ worker.removeEventListener("error", onWorkerError);
+
+ if (this.destroyed) {
+ terminateEarly();
+ return;
+ }
+
+ try {
+ sendTest();
+ } catch (e) {
+ this._setupFakeWorker();
+ }
+ });
+
+ const sendTest = () => {
+ const testObj = new Uint8Array([this.postMessageTransfers ? 255 : 0]);
+
+ try {
+ messageHandler.send("test", testObj, [testObj.buffer]);
+ } catch (ex) {
+ (0, _util.warn)("Cannot use postMessage transfers.");
+ testObj[0] = 0;
+ messageHandler.send("test", testObj);
+ }
+ };
+
+ sendTest();
+ return;
+ } catch (e) {
+ (0, _util.info)("The worker has been disabled.");
+ }
+ }
+
+ this._setupFakeWorker();
+ }
+
+ _setupFakeWorker() {
+ if (!isWorkerDisabled) {
+ (0, _util.warn)("Setting up fake worker.");
+ isWorkerDisabled = true;
+ }
+
+ 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" + nextFakeWorkerId++;
+ const workerHandler = new _message_handler.MessageHandler(id + "_worker", id, port);
+ WorkerMessageHandler.setup(workerHandler, port);
+ const messageHandler = new _message_handler.MessageHandler(id, id + "_worker", port);
+ this._messageHandler = messageHandler;
+
+ this._readyCapability.resolve();
+
+ messageHandler.send("configure", {
+ verbosity: this.verbosity
+ });
+ }).catch(reason => {
+ this._readyCapability.reject(new Error(`Setting up fake worker failed: "${reason.message}".`));
+ });
+ }
+
+ destroy() {
+ this.destroyed = true;
+
+ if (this._webWorker) {
+ this._webWorker.terminate();
+
+ this._webWorker = null;
+ }
+
+ pdfWorkerPorts.delete(this._port);
+ this._port = null;
+
+ if (this._messageHandler) {
+ this._messageHandler.destroy();
+
+ this._messageHandler = null;
+ }
+ }
+
+ static fromPort(params) {
+ if (!params || !params.port) {
+ throw new Error("PDFWorker.fromPort - invalid method signature.");
+ }
+
+ if (pdfWorkerPorts.has(params.port)) {
+ return pdfWorkerPorts.get(params.port);
+ }
+
+ return new PDFWorker(params);
+ }
+
+ static getWorkerSrc() {
+ return getWorkerSrc();
+ }
+
+ }
+
+ return PDFWorker;
+}();
+
+exports.PDFWorker = PDFWorker;
+
+class WorkerTransport {
+ constructor(messageHandler, loadingTask, networkStream, params) {
+ this.messageHandler = messageHandler;
+ this.loadingTask = loadingTask;
+ this.commonObjs = new PDFObjects();
+ this.fontLoader = new _font_loader.FontLoader({
+ docId: loadingTask.docId,
+ onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
+ ownerDocument: params.ownerDocument
+ });
+ this._params = params;
+ this.CMapReaderFactory = new params.CMapReaderFactory({
+ baseUrl: params.cMapUrl,
+ isCompressed: params.cMapPacked
+ });
+ this.destroyed = false;
+ this.destroyCapability = null;
+ this._passwordCapability = null;
+ this._networkStream = networkStream;
+ this._fullReader = null;
+ this._lastProgress = null;
+ this.pageCache = [];
+ this.pagePromises = [];
+ this.downloadInfoCapability = (0, _util.createPromiseCapability)();
+ this.setupMessageHandler();
+ }
+
+ get loadingTaskSettled() {
+ return this.loadingTask._capability.settled;
+ }
+
+ destroy() {
+ if (this.destroyCapability) {
+ return this.destroyCapability.promise;
+ }
+
+ this.destroyed = true;
+ this.destroyCapability = (0, _util.createPromiseCapability)();
+
+ if (this._passwordCapability) {
+ this._passwordCapability.reject(new Error("Worker was destroyed during onPassword callback"));
+ }
+
+ const waitOn = [];
+ this.pageCache.forEach(function (page) {
+ if (page) {
+ waitOn.push(page._destroy());
+ }
+ });
+ this.pageCache.length = 0;
+ this.pagePromises.length = 0;
+ const terminated = this.messageHandler.sendWithPromise("Terminate", null);
+ waitOn.push(terminated);
+
+ if (this.loadingTaskSettled) {
+ const annotationStorageResetModified = this.loadingTask.promise.then(pdfDocument => {
+ if (pdfDocument.hasOwnProperty("annotationStorage")) {
+ pdfDocument.annotationStorage.resetModified();
+ }
+ }).catch(() => {});
+ waitOn.push(annotationStorageResetModified);
+ }
+
+ Promise.all(waitOn).then(() => {
+ this.commonObjs.clear();
+ this.fontLoader.clear();
+ this._hasJSActionsPromise = null;
+
+ if (this._networkStream) {
+ this._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated."));
+ }
+
+ if (this.messageHandler) {
+ 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) => {
+ (0, _util.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;
+ }
+
+ (0, _util.assert)((0, _util.isArrayBuffer)(value), "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", data => {
+ const headersCapability = (0, _util.createPromiseCapability)();
+ const fullReader = this._fullReader;
+ fullReader.headersReady.then(() => {
+ if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
+ if (this._lastProgress && loadingTask.onProgress) {
+ loadingTask.onProgress(this._lastProgress);
+ }
+
+ fullReader.onProgress = evt => {
+ if (loadingTask.onProgress) {
+ loadingTask.onProgress({
+ loaded: evt.loaded,
+ total: evt.total
+ });
+ }
+ };
+ }
+
+ headersCapability.resolve({
+ isStreamingSupported: fullReader.isStreamingSupported,
+ isRangeSupported: fullReader.isRangeSupported,
+ contentLength: fullReader.contentLength
+ });
+ }, headersCapability.reject);
+ return headersCapability.promise;
+ });
+ messageHandler.on("GetRangeReader", (data, sink) => {
+ (0, _util.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;
+ }
+
+ (0, _util.assert)((0, _util.isArrayBuffer)(value), "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;
+
+ loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));
+ });
+ messageHandler.on("DocException", function (ex) {
+ let reason;
+
+ switch (ex.name) {
+ case "PasswordException":
+ reason = new _util.PasswordException(ex.message, ex.code);
+ break;
+
+ case "InvalidPDFException":
+ reason = new _util.InvalidPDFException(ex.message);
+ break;
+
+ case "MissingPDFException":
+ reason = new _util.MissingPDFException(ex.message);
+ break;
+
+ case "UnexpectedResponseException":
+ reason = new _util.UnexpectedResponseException(ex.message, ex.status);
+ break;
+
+ case "UnknownErrorException":
+ reason = new _util.UnknownErrorException(ex.message, ex.details);
+ break;
+ }
+
+ if (!(reason instanceof Error)) {
+ const msg = "DocException - expected a valid Error.";
+ (0, _util.warn)(msg);
+ }
+
+ loadingTask._capability.reject(reason);
+ });
+ messageHandler.on("PasswordRequest", exception => {
+ this._passwordCapability = (0, _util.createPromiseCapability)();
+
+ if (loadingTask.onPassword) {
+ const updatePassword = password => {
+ this._passwordCapability.resolve({
+ password
+ });
+ };
+
+ try {
+ loadingTask.onPassword(updatePassword, exception.code);
+ } catch (ex) {
+ this._passwordCapability.reject(ex);
+ }
+ } else {
+ this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code));
+ }
+
+ return this._passwordCapability.promise;
+ });
+ messageHandler.on("DataLoaded", data => {
+ if (loadingTask.onProgress) {
+ loadingTask.onProgress({
+ loaded: data.length,
+ total: data.length
+ });
+ }
+
+ this.downloadInfoCapability.resolve(data);
+ });
+ messageHandler.on("StartRenderPage", data => {
+ if (this.destroyed) {
+ return;
+ }
+
+ const page = this.pageCache[data.pageIndex];
+
+ page._startRenderPage(data.transparency, data.intent);
+ });
+ messageHandler.on("commonobj", data => {
+ if (this.destroyed) {
+ return;
+ }
+
+ const [id, type, exportedData] = data;
+
+ if (this.commonObjs.has(id)) {
+ return;
+ }
+
+ switch (type) {
+ case "Font":
+ const params = this._params;
+
+ if ("error" in exportedData) {
+ const exportedError = exportedData.error;
+ (0, _util.warn)(`Error during font loading: ${exportedError}`);
+ this.commonObjs.resolve(id, exportedError);
+ break;
+ }
+
+ let fontRegistry = null;
+
+ if (params.pdfBug && globalThis.FontInspector?.enabled) {
+ fontRegistry = {
+ registerFont(font, url) {
+ globalThis.FontInspector.fontAdded(font, url);
+ }
+
+ };
+ }
+
+ const font = new _font_loader.FontFaceObject(exportedData, {
+ isEvalSupported: params.isEvalSupported,
+ disableFontFace: params.disableFontFace,
+ ignoreErrors: params.ignoreErrors,
+ onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
+ fontRegistry
+ });
+ this.fontLoader.bind(font).catch(reason => {
+ return messageHandler.sendWithPromise("FontFallback", {
+ id
+ });
+ }).finally(() => {
+ if (!params.fontExtraProperties && font.data) {
+ font.data = null;
+ }
+
+ this.commonObjs.resolve(id, font);
+ });
+ break;
+
+ case "FontPath":
+ case "Image":
+ this.commonObjs.resolve(id, exportedData);
+ break;
+
+ default:
+ throw new Error(`Got unknown common object type ${type}`);
+ }
+ });
+ messageHandler.on("obj", data => {
+ if (this.destroyed) {
+ return undefined;
+ }
+
+ const [id, pageIndex, type, imageData] = data;
+ const pageProxy = this.pageCache[pageIndex];
+
+ if (pageProxy.objs.has(id)) {
+ return undefined;
+ }
+
+ switch (type) {
+ case "Image":
+ pageProxy.objs.resolve(id, imageData);
+ const MAX_IMAGE_SIZE_TO_STORE = 8000000;
+
+ if (imageData?.data?.length > MAX_IMAGE_SIZE_TO_STORE) {
+ pageProxy.cleanupAfterRender = true;
+ }
+
+ break;
+
+ default:
+ throw new Error(`Got unknown object type ${type}`);
+ }
+
+ return undefined;
+ });
+ messageHandler.on("DocProgress", data => {
+ if (this.destroyed) {
+ return;
+ }
+
+ if (loadingTask.onProgress) {
+ loadingTask.onProgress({
+ loaded: data.loaded,
+ total: data.total
+ });
+ }
+ });
+ messageHandler.on("UnsupportedFeature", this._onUnsupportedFeature.bind(this));
+ messageHandler.on("FetchBuiltInCMap", (data, sink) => {
+ if (this.destroyed) {
+ sink.error(new Error("Worker was destroyed"));
+ return;
+ }
+
+ let fetched = false;
+
+ sink.onPull = () => {
+ if (fetched) {
+ sink.close();
+ return;
+ }
+
+ fetched = true;
+ this.CMapReaderFactory.fetch(data).then(function (builtInCMap) {
+ sink.enqueue(builtInCMap, 1, [builtInCMap.cMapData.buffer]);
+ }).catch(function (reason) {
+ sink.error(reason);
+ });
+ };
+ });
+ }
+
+ _onUnsupportedFeature({
+ featureId
+ }) {
+ if (this.destroyed) {
+ return;
+ }
+
+ if (this.loadingTask.onUnsupportedFeature) {
+ this.loadingTask.onUnsupportedFeature(featureId);
+ }
+ }
+
+ getData() {
+ return this.messageHandler.sendWithPromise("GetData", null);
+ }
+
+ getPage(pageNumber) {
+ if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
+ return Promise.reject(new Error("Invalid page request"));
+ }
+
+ const pageIndex = pageNumber - 1;
+
+ if (pageIndex in this.pagePromises) {
+ return this.pagePromises[pageIndex];
+ }
+
+ const promise = this.messageHandler.sendWithPromise("GetPage", {
+ pageIndex
+ }).then(pageInfo => {
+ if (this.destroyed) {
+ throw new Error("Transport destroyed");
+ }
+
+ const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.ownerDocument, this._params.pdfBug);
+ this.pageCache[pageIndex] = page;
+ return page;
+ });
+ this.pagePromises[pageIndex] = promise;
+ return promise;
+ }
+
+ getPageIndex(ref) {
+ return this.messageHandler.sendWithPromise("GetPageIndex", {
+ ref
+ }).catch(function (reason) {
+ return Promise.reject(new Error(reason));
+ });
+ }
+
+ getAnnotations(pageIndex, intent) {
+ return this.messageHandler.sendWithPromise("GetAnnotations", {
+ pageIndex,
+ intent
+ });
+ }
+
+ saveDocument(annotationStorage) {
+ return this.messageHandler.sendWithPromise("SaveDocument", {
+ numPages: this._numPages,
+ annotationStorage: annotationStorage?.getAll() || null,
+ filename: this._fullReader ? this._fullReader.filename : null
+ }).finally(() => {
+ if (annotationStorage) {
+ annotationStorage.resetModified();
+ }
+ });
+ }
+
+ getFieldObjects() {
+ return this.messageHandler.sendWithPromise("GetFieldObjects", null);
+ }
+
+ hasJSActions() {
+ return this._hasJSActionsPromise || (this._hasJSActionsPromise = this.messageHandler.sendWithPromise("HasJSActions", null));
+ }
+
+ 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);
+ }
+
+ getJavaScript() {
+ return this.messageHandler.sendWithPromise("GetJavaScript", null);
+ }
+
+ getDocJSActions() {
+ return this.messageHandler.sendWithPromise("GetDocJSActions", null);
+ }
+
+ getPageJSActions(pageIndex) {
+ return this.messageHandler.sendWithPromise("GetPageJSActions", {
+ pageIndex
+ });
+ }
+
+ getOutline() {
+ return this.messageHandler.sendWithPromise("GetOutline", null);
+ }
+
+ getOptionalContentConfig() {
+ return this.messageHandler.sendWithPromise("GetOptionalContentConfig", null).then(results => {
+ return new _optional_content_config.OptionalContentConfig(results);
+ });
+ }
+
+ getPermissions() {
+ return this.messageHandler.sendWithPromise("GetPermissions", null);
+ }
+
+ getMetadata() {
+ return this.messageHandler.sendWithPromise("GetMetadata", null).then(results => {
+ return {
+ info: results[0],
+ metadata: results[1] ? new _metadata.Metadata(results[1]) : null,
+ contentDispositionFilename: this._fullReader?.filename ?? null,
+ contentLength: this._fullReader?.contentLength ?? null
+ };
+ });
+ }
+
+ getMarkInfo() {
+ return this.messageHandler.sendWithPromise("GetMarkInfo", null);
+ }
+
+ getStats() {
+ return this.messageHandler.sendWithPromise("GetStats", null);
+ }
+
+ startCleanup() {
+ return this.messageHandler.sendWithPromise("Cleanup", null).then(() => {
+ for (let i = 0, ii = this.pageCache.length; i < ii; i++) {
+ const page = this.pageCache[i];
+
+ if (page) {
+ const cleanupSuccessful = page.cleanup();
+
+ if (!cleanupSuccessful) {
+ throw new Error(`startCleanup: Page ${i + 1} is currently rendering.`);
+ }
+ }
+ }
+
+ this.commonObjs.clear();
+ this.fontLoader.clear();
+ this._hasJSActionsPromise = null;
+ });
+ }
+
+ get loadingParams() {
+ const params = this._params;
+ return (0, _util.shadow)(this, "loadingParams", {
+ disableAutoFetch: params.disableAutoFetch,
+ disableFontFace: params.disableFontFace
+ });
+ }
+
+}
+
+class PDFObjects {
+ constructor() {
+ this._objs = Object.create(null);
+ }
+
+ _ensureObj(objId) {
+ if (this._objs[objId]) {
+ return this._objs[objId];
+ }
+
+ return this._objs[objId] = {
+ capability: (0, _util.createPromiseCapability)(),
+ data: null,
+ resolved: false
+ };
+ }
+
+ get(objId, callback = null) {
+ if (callback) {
+ this._ensureObj(objId).capability.promise.then(callback);
+
+ return null;
+ }
+
+ const obj = this._objs[objId];
+
+ if (!obj || !obj.resolved) {
+ throw new Error(`Requesting object that isn't resolved yet ${objId}.`);
+ }
+
+ return obj.data;
+ }
+
+ has(objId) {
+ const obj = this._objs[objId];
+ return obj ? obj.resolved : false;
+ }
+
+ resolve(objId, data) {
+ const obj = this._ensureObj(objId);
+
+ obj.resolved = true;
+ obj.data = data;
+ obj.capability.resolve(data);
+ }
+
+ clear() {
+ this._objs = Object.create(null);
+ }
+
+}
+
+class RenderTask {
+ constructor(internalRenderTask) {
+ this._internalRenderTask = internalRenderTask;
+ this.onContinue = null;
+ }
+
+ get promise() {
+ return this._internalRenderTask.capability.promise;
+ }
+
+ cancel() {
+ this._internalRenderTask.cancel();
+ }
+
+}
+
+const InternalRenderTask = function InternalRenderTaskClosure() {
+ const canvasInRendering = new WeakSet();
+
+ class InternalRenderTask {
+ constructor({
+ callback,
+ params,
+ objs,
+ commonObjs,
+ operatorList,
+ pageIndex,
+ canvasFactory,
+ webGLContext,
+ useRequestAnimationFrame = false,
+ pdfBug = false
+ }) {
+ this.callback = callback;
+ this.params = params;
+ this.objs = objs;
+ this.commonObjs = commonObjs;
+ this.operatorListIdx = null;
+ this.operatorList = operatorList;
+ this._pageIndex = pageIndex;
+ this.canvasFactory = canvasFactory;
+ this.webGLContext = webGLContext;
+ this._pdfBug = pdfBug;
+ this.running = false;
+ this.graphicsReadyCallback = null;
+ this.graphicsReady = false;
+ this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined";
+ this.cancelled = false;
+ this.capability = (0, _util.createPromiseCapability)();
+ this.task = new RenderTask(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 (canvasInRendering.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.");
+ }
+
+ canvasInRendering.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,
+ imageLayer,
+ background
+ } = this.params;
+ this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext, imageLayer, optionalContentConfig);
+ this.gfx.beginDrawing({
+ transform,
+ viewport,
+ transparency,
+ background
+ });
+ this.operatorListIdx = 0;
+ this.graphicsReady = true;
+
+ if (this.graphicsReadyCallback) {
+ this.graphicsReadyCallback();
+ }
+ }
+
+ cancel(error = null) {
+ this.running = false;
+ this.cancelled = true;
+
+ if (this.gfx) {
+ this.gfx.endDrawing();
+ }
+
+ if (this._canvas) {
+ canvasInRendering.delete(this._canvas);
+ }
+
+ this.callback(error || new _display_utils.RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, "canvas"));
+ }
+
+ operatorListChanged() {
+ if (!this.graphicsReady) {
+ if (!this.graphicsReadyCallback) {
+ this.graphicsReadyCallback = this._continueBound;
+ }
+
+ return;
+ }
+
+ if (this.stepper) {
+ 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) {
+ window.requestAnimationFrame(() => {
+ this._nextBound().catch(this.cancel.bind(this));
+ });
+ } else {
+ Promise.resolve().then(this._nextBound).catch(this.cancel.bind(this));
+ }
+ }
+
+ 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();
+
+ if (this._canvas) {
+ canvasInRendering.delete(this._canvas);
+ }
+
+ this.callback();
+ }
+ }
+ }
+
+ }
+
+ return InternalRenderTask;
+}();
+
+const version = '2.7.510';
+exports.version = version;
+const build = '631bada0d';
+exports.build = build;
+
+/***/ }),
+/* 6 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.FontLoader = exports.FontFaceObject = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+class BaseFontLoader {
+ constructor({
+ docId,
+ onUnsupportedFeature,
+ ownerDocument = globalThis.document
+ }) {
+ if (this.constructor === BaseFontLoader) {
+ (0, _util.unreachable)("Cannot initialize BaseFontLoader.");
+ }
+
+ this.docId = docId;
+ this._onUnsupportedFeature = onUnsupportedFeature;
+ this._document = ownerDocument;
+ this.nativeFontFaces = [];
+ this.styleElement = null;
+ }
+
+ addNativeFontFace(nativeFontFace) {
+ this.nativeFontFaces.push(nativeFontFace);
+
+ this._document.fonts.add(nativeFontFace);
+ }
+
+ insertRule(rule) {
+ let styleElement = this.styleElement;
+
+ if (!styleElement) {
+ styleElement = this.styleElement = this._document.createElement("style");
+ styleElement.id = `PDFJS_FONT_STYLE_TAG_${this.docId}`;
+
+ this._document.documentElement.getElementsByTagName("head")[0].appendChild(styleElement);
+ }
+
+ const styleSheet = styleElement.sheet;
+ styleSheet.insertRule(rule, styleSheet.cssRules.length);
+ }
+
+ clear() {
+ this.nativeFontFaces.forEach(nativeFontFace => {
+ this._document.fonts.delete(nativeFontFace);
+ });
+ this.nativeFontFaces.length = 0;
+
+ if (this.styleElement) {
+ this.styleElement.remove();
+ this.styleElement = null;
+ }
+ }
+
+ async bind(font) {
+ if (font.attached || font.missingFile) {
+ return;
+ }
+
+ font.attached = true;
+
+ if (this.isFontLoadingAPISupported) {
+ const nativeFontFace = font.createNativeFontFace();
+
+ if (nativeFontFace) {
+ this.addNativeFontFace(nativeFontFace);
+
+ try {
+ await nativeFontFace.loaded;
+ } catch (ex) {
+ this._onUnsupportedFeature({
+ featureId: _util.UNSUPPORTED_FEATURES.errorFontLoadNative
+ });
+
+ (0, _util.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([rule], [font], request);
+ });
+ }
+ }
+
+ _queueLoadingCallback(callback) {
+ (0, _util.unreachable)("Abstract method `_queueLoadingCallback`.");
+ }
+
+ get isFontLoadingAPISupported() {
+ return (0, _util.shadow)(this, "isFontLoadingAPISupported", !!this._document?.fonts);
+ }
+
+ get isSyncFontLoadingSupported() {
+ (0, _util.unreachable)("Abstract method `isSyncFontLoadingSupported`.");
+ }
+
+ get _loadTestFont() {
+ (0, _util.unreachable)("Abstract method `_loadTestFont`.");
+ }
+
+ _prepareFontLoadEvent(rules, fontsToLoad, request) {
+ (0, _util.unreachable)("Abstract method `_prepareFontLoadEvent`.");
+ }
+
+}
+
+let FontLoader;
+exports.FontLoader = FontLoader;
+{
+ exports.FontLoader = FontLoader = class MozcentralFontLoader extends BaseFontLoader {
+ get isSyncFontLoadingSupported() {
+ return (0, _util.shadow)(this, "isSyncFontLoadingSupported", true);
+ }
+
+ };
+}
+
+class FontFaceObject {
+ constructor(translatedData, {
+ isEvalSupported = true,
+ disableFontFace = false,
+ ignoreErrors = false,
+ onUnsupportedFeature = null,
+ fontRegistry = null
+ }) {
+ this.compiledGlyphs = Object.create(null);
+
+ for (const i in translatedData) {
+ this[i] = translatedData[i];
+ }
+
+ this.isEvalSupported = isEvalSupported !== false;
+ this.disableFontFace = disableFontFace === true;
+ this.ignoreErrors = ignoreErrors === true;
+ this._onUnsupportedFeature = onUnsupportedFeature;
+ this.fontRegistry = fontRegistry;
+ }
+
+ createNativeFontFace() {
+ if (!this.data || this.disableFontFace) {
+ return null;
+ }
+
+ const nativeFontFace = new FontFace(this.loadedName, this.data, {});
+
+ if (this.fontRegistry) {
+ this.fontRegistry.registerFont(this);
+ }
+
+ return nativeFontFace;
+ }
+
+ createFontFaceRule() {
+ if (!this.data || this.disableFontFace) {
+ return null;
+ }
+
+ const data = (0, _util.bytesToString)(new Uint8Array(this.data));
+ const url = `url(data:${this.mimetype};base64,${btoa(data)});`;
+ const rule = `@font-face {font-family:"${this.loadedName}";src:${url}}`;
+
+ if (this.fontRegistry) {
+ this.fontRegistry.registerFont(this, url);
+ }
+
+ return rule;
+ }
+
+ getPathGenerator(objs, character) {
+ if (this.compiledGlyphs[character] !== undefined) {
+ return this.compiledGlyphs[character];
+ }
+
+ let cmds, current;
+
+ try {
+ cmds = objs.get(this.loadedName + "_path_" + character);
+ } catch (ex) {
+ if (!this.ignoreErrors) {
+ throw ex;
+ }
+
+ if (this._onUnsupportedFeature) {
+ this._onUnsupportedFeature({
+ featureId: _util.UNSUPPORTED_FEATURES.errorFontGetPath
+ });
+ }
+
+ (0, _util.warn)(`getPathGenerator - ignoring character: "${ex}".`);
+ return this.compiledGlyphs[character] = function (c, size) {};
+ }
+
+ if (this.isEvalSupported && _util.IsEvalSupportedCached.value) {
+ let args,
+ js = "";
+
+ for (let i = 0, ii = cmds.length; i < ii; i++) {
+ current = cmds[i];
+
+ if (current.args !== undefined) {
+ args = current.args.join(",");
+ } else {
+ args = "";
+ }
+
+ js += "c." + current.cmd + "(" + args + ");\n";
+ }
+
+ return this.compiledGlyphs[character] = new Function("c", "size", js);
+ }
+
+ return this.compiledGlyphs[character] = function (c, size) {
+ for (let i = 0, ii = cmds.length; i < ii; i++) {
+ current = cmds[i];
+
+ if (current.cmd === "scale") {
+ current.args = [size, -size];
+ }
+
+ c[current.cmd].apply(c, current.args);
+ }
+ };
+ }
+
+}
+
+exports.FontFaceObject = FontFaceObject;
+
+/***/ }),
+/* 7 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.NodeCMapReaderFactory = exports.NodeCanvasFactory = void 0;
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _is_node = __w_pdfjs_require__(4);
+
+var _util = __w_pdfjs_require__(2);
+
+let NodeCanvasFactory = class {
+ constructor() {
+ (0, _util.unreachable)("Not implemented: NodeCanvasFactory");
+ }
+
+};
+exports.NodeCanvasFactory = NodeCanvasFactory;
+let NodeCMapReaderFactory = class {
+ constructor() {
+ (0, _util.unreachable)("Not implemented: NodeCMapReaderFactory");
+ }
+
+};
+exports.NodeCMapReaderFactory = NodeCMapReaderFactory;
+;
+
+/***/ }),
+/* 8 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.AnnotationStorage = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+class AnnotationStorage {
+ constructor() {
+ this._storage = new Map();
+ this._modified = false;
+ this.onSetModified = null;
+ this.onResetModified = null;
+ }
+
+ getOrCreateValue(key, defaultValue) {
+ if (this._storage.has(key)) {
+ return this._storage.get(key);
+ }
+
+ this._storage.set(key, defaultValue);
+
+ return defaultValue;
+ }
+
+ 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 {
+ this._storage.set(key, value);
+
+ modified = true;
+ }
+
+ if (modified) {
+ this._setModified();
+ }
+ }
+
+ getAll() {
+ if (this._storage.size === 0) {
+ return null;
+ }
+
+ return (0, _util.objectFromEntries)(this._storage);
+ }
+
+ 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();
+ }
+ }
+ }
+
+}
+
+exports.AnnotationStorage = AnnotationStorage;
+
+/***/ }),
+/* 9 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.apiCompatibilityParams = void 0;
+
+var _is_node = __w_pdfjs_require__(4);
+
+const compatibilityParams = Object.create(null);
+;
+const apiCompatibilityParams = Object.freeze(compatibilityParams);
+exports.apiCompatibilityParams = apiCompatibilityParams;
+
+/***/ }),
+/* 10 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.CanvasGraphics = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _pattern_helper = __w_pdfjs_require__(11);
+
+const MIN_FONT_SIZE = 16;
+const MAX_FONT_SIZE = 100;
+const MAX_GROUP_SIZE = 4096;
+const MIN_WIDTH_FACTOR = 0.65;
+const COMPILE_TYPE3_GLYPHS = true;
+const MAX_SIZE_TO_COMPILE = 1000;
+const FULL_CHUNK_HEIGHT = 16;
+
+function addContextCurrentTransform(ctx) {
+ if (!ctx.mozCurrentTransform) {
+ 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._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];
+ ctx._transformStack = [];
+ Object.defineProperty(ctx, "mozCurrentTransform", {
+ get: function getCurrentTransform() {
+ return this._transformMatrix;
+ }
+ });
+ Object.defineProperty(ctx, "mozCurrentTransformInverse", {
+ get: function getCurrentTransformInverse() {
+ const m = this._transformMatrix;
+ const a = m[0],
+ b = m[1],
+ c = m[2],
+ d = m[3],
+ e = m[4],
+ f = m[5];
+ const ad_bc = a * d - b * c;
+ const bc_ad = b * c - a * d;
+ return [d / ad_bc, b / bc_ad, c / bc_ad, a / ad_bc, (d * e - c * f) / bc_ad, (b * e - a * f) / ad_bc];
+ }
+ });
+
+ ctx.save = function ctxSave() {
+ const old = this._transformMatrix;
+
+ this._transformStack.push(old);
+
+ this._transformMatrix = old.slice(0, 6);
+
+ this._originalSave();
+ };
+
+ ctx.restore = function ctxRestore() {
+ const prev = this._transformStack.pop();
+
+ if (prev) {
+ this._transformMatrix = prev;
+
+ this._originalRestore();
+ }
+ };
+
+ ctx.translate = function ctxTranslate(x, y) {
+ const m = this._transformMatrix;
+ m[4] = m[0] * x + m[2] * y + m[4];
+ m[5] = m[1] * x + m[3] * y + m[5];
+
+ this._originalTranslate(x, y);
+ };
+
+ ctx.scale = function ctxScale(x, y) {
+ const m = this._transformMatrix;
+ m[0] = m[0] * x;
+ m[1] = m[1] * x;
+ m[2] = m[2] * y;
+ m[3] = m[3] * y;
+
+ this._originalScale(x, y);
+ };
+
+ ctx.transform = function ctxTransform(a, b, c, d, e, f) {
+ const m = this._transformMatrix;
+ this._transformMatrix = [m[0] * a + m[2] * b, m[1] * a + m[3] * b, m[0] * c + m[2] * d, m[1] * c + m[3] * d, m[0] * e + m[2] * f + m[4], m[1] * e + m[3] * f + m[5]];
+
+ ctx._originalTransform(a, b, c, d, e, f);
+ };
+
+ ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
+ this._transformMatrix = [a, b, c, d, e, f];
+
+ ctx._originalSetTransform(a, b, c, d, e, f);
+ };
+
+ ctx.rotate = function ctxRotate(angle) {
+ const cosValue = Math.cos(angle);
+ const sinValue = Math.sin(angle);
+ const m = this._transformMatrix;
+ this._transformMatrix = [m[0] * cosValue + m[2] * sinValue, m[1] * cosValue + m[3] * sinValue, m[0] * -sinValue + m[2] * cosValue, m[1] * -sinValue + m[3] * cosValue, m[4], m[5]];
+
+ this._originalRotate(angle);
+ };
+ }
+}
+
+const CachedCanvases = function CachedCanvasesClosure() {
+ function CachedCanvases(canvasFactory) {
+ this.canvasFactory = canvasFactory;
+ this.cache = Object.create(null);
+ }
+
+ CachedCanvases.prototype = {
+ getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) {
+ let canvasEntry;
+
+ if (this.cache[id] !== undefined) {
+ canvasEntry = this.cache[id];
+ this.canvasFactory.reset(canvasEntry, width, height);
+ canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
+ } else {
+ canvasEntry = this.canvasFactory.create(width, height);
+ this.cache[id] = canvasEntry;
+ }
+
+ if (trackTransform) {
+ addContextCurrentTransform(canvasEntry.context);
+ }
+
+ return canvasEntry;
+ },
+
+ clear() {
+ for (const id in this.cache) {
+ const canvasEntry = this.cache[id];
+ this.canvasFactory.destroy(canvasEntry);
+ delete this.cache[id];
+ }
+ }
+
+ };
+ return CachedCanvases;
+}();
+
+function compileType3Glyph(imgData) {
+ const POINT_TO_PROCESS_LIMIT = 1000;
+ const width = imgData.width,
+ height = imgData.height,
+ width1 = width + 1;
+ let i, ii, j, j0;
+ const points = new Uint8Array(width1 * (height + 1));
+ const POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
+ const lineSize = width + 7 & ~7,
+ data0 = imgData.data;
+ const data = new Uint8Array(lineSize * height);
+ let pos = 0;
+
+ for (i = 0, ii = data0.length; i < ii; i++) {
+ const elem = data0[i];
+ 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 outlines = [];
+
+ 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;
+ }
+
+ const coords = [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;
+ }
+
+ coords.push(p % width1);
+ coords.push(p / width1 | 0);
+
+ if (!points[p]) {
+ --count;
+ }
+ } while (p0 !== p);
+
+ outlines.push(coords);
+ --i;
+ }
+
+ const drawOutline = function (c) {
+ c.save();
+ c.scale(1 / width, -1 / height);
+ c.translate(0, -height);
+ c.beginPath();
+
+ for (let k = 0, kk = outlines.length; k < kk; k++) {
+ const o = outlines[k];
+ c.moveTo(o[0], o[1]);
+
+ for (let l = 2, ll = o.length; l < ll; l += 2) {
+ c.lineTo(o[l], o[l + 1]);
+ }
+ }
+
+ c.fill();
+ c.beginPath();
+ c.restore();
+ };
+
+ return drawOutline;
+}
+
+const CanvasExtraState = function CanvasExtraStateClosure() {
+ function CanvasExtraState() {
+ this.alphaIsShape = false;
+ this.fontSize = 0;
+ this.fontSizeScale = 1;
+ this.textMatrix = _util.IDENTITY_MATRIX;
+ this.textMatrixScale = 1;
+ this.fontMatrix = _util.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 = _util.TextRenderingMode.FILL;
+ this.textRise = 0;
+ this.fillColor = "#000000";
+ this.strokeColor = "#000000";
+ this.patternFill = false;
+ this.fillAlpha = 1;
+ this.strokeAlpha = 1;
+ this.lineWidth = 1;
+ this.activeSMask = null;
+ this.resumeSMaskCtx = null;
+ this.transferMaps = null;
+ }
+
+ CanvasExtraState.prototype = {
+ clone: function CanvasExtraState_clone() {
+ return Object.create(this);
+ },
+ setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
+ this.x = x;
+ this.y = y;
+ }
+ };
+ return CanvasExtraState;
+}();
+
+const CanvasGraphics = function CanvasGraphicsClosure() {
+ const EXECUTION_TIME = 15;
+ const EXECUTION_STEPS = 10;
+
+ function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, webGLContext, imageLayer, optionalContentConfig) {
+ this.ctx = canvasCtx;
+ this.current = new CanvasExtraState();
+ this.stateStack = [];
+ this.pendingClip = null;
+ this.pendingEOFill = false;
+ this.res = null;
+ this.xobjs = null;
+ this.commonObjs = commonObjs;
+ this.objs = objs;
+ this.canvasFactory = canvasFactory;
+ this.webGLContext = webGLContext;
+ this.imageLayer = imageLayer;
+ this.groupStack = [];
+ this.processingType3 = null;
+ this.baseTransform = null;
+ this.baseTransformStack = [];
+ this.groupLevel = 0;
+ this.smaskStack = [];
+ this.smaskCounter = 0;
+ this.tempSMask = null;
+ this.contentVisible = true;
+ this.markedContentStack = [];
+ this.optionalContentConfig = optionalContentConfig;
+ this.cachedCanvases = new CachedCanvases(this.canvasFactory);
+
+ if (canvasCtx) {
+ addContextCurrentTransform(canvasCtx);
+ }
+
+ this._cachedGetSinglePixelWidth = null;
+ }
+
+ function putBinaryImageData(ctx, imgData, transferMaps = null) {
+ if (typeof ImageData !== "undefined" && 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;
+ let transferMapRed, transferMapGreen, transferMapBlue, transferMapGray;
+
+ if (transferMaps) {
+ switch (transferMaps.length) {
+ case 1:
+ transferMapRed = transferMaps[0];
+ transferMapGreen = transferMaps[0];
+ transferMapBlue = transferMaps[0];
+ transferMapGray = transferMaps[0];
+ break;
+
+ case 4:
+ transferMapRed = transferMaps[0];
+ transferMapGreen = transferMaps[1];
+ transferMapBlue = transferMaps[2];
+ transferMapGray = transferMaps[3];
+ break;
+ }
+ }
+
+ 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;
+ let white = 0xffffffff;
+ let black = _util.IsLittleEndianCached.value ? 0xff000000 : 0x000000ff;
+
+ if (transferMapGray) {
+ if (transferMapGray[0] === 0xff && transferMapGray[0xff] === 0) {
+ [white, black] = [black, white];
+ }
+ }
+
+ 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) {
+ const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
+ j = 0;
+ elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
+
+ for (i = 0; i < fullChunks; i++) {
+ dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+ srcPos += elemsInThisChunk;
+
+ if (hasTransferMaps) {
+ for (let k = 0; k < elemsInThisChunk; k += 4) {
+ if (transferMapRed) {
+ dest[k + 0] = transferMapRed[dest[k + 0]];
+ }
+
+ if (transferMapGreen) {
+ dest[k + 1] = transferMapGreen[dest[k + 1]];
+ }
+
+ if (transferMapBlue) {
+ dest[k + 2] = transferMapBlue[dest[k + 2]];
+ }
+ }
+ }
+
+ ctx.putImageData(chunkImgData, 0, j);
+ j += FULL_CHUNK_HEIGHT;
+ }
+
+ if (i < totalChunks) {
+ elemsInThisChunk = width * partialChunkHeight * 4;
+ dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+
+ if (hasTransferMaps) {
+ for (let k = 0; k < elemsInThisChunk; k += 4) {
+ if (transferMapRed) {
+ dest[k + 0] = transferMapRed[dest[k + 0]];
+ }
+
+ if (transferMapGreen) {
+ dest[k + 1] = transferMapGreen[dest[k + 1]];
+ }
+
+ if (transferMapBlue) {
+ dest[k + 2] = transferMapBlue[dest[k + 2]];
+ }
+ }
+ }
+
+ ctx.putImageData(chunkImgData, 0, j);
+ }
+ } else if (imgData.kind === _util.ImageKind.RGB_24BPP) {
+ const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
+ 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;
+ }
+
+ if (hasTransferMaps) {
+ for (let k = 0; k < destPos; k += 4) {
+ if (transferMapRed) {
+ dest[k + 0] = transferMapRed[dest[k + 0]];
+ }
+
+ if (transferMapGreen) {
+ dest[k + 1] = transferMapGreen[dest[k + 1]];
+ }
+
+ if (transferMapBlue) {
+ dest[k + 2] = transferMapBlue[dest[k + 2]];
+ }
+ }
+ }
+
+ ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+ }
+ } else {
+ throw new Error(`bad image kind: ${imgData.kind}`);
+ }
+ }
+
+ function putBinaryImageMask(ctx, imgData) {
+ 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;
+ let destPos = 3;
+
+ for (let j = 0; j < thisChunkHeight; j++) {
+ let elem,
+ mask = 0;
+
+ for (let k = 0; k < width; k++) {
+ if (!mask) {
+ elem = src[srcPos++];
+ mask = 128;
+ }
+
+ dest[destPos] = elem & mask ? 0 : 255;
+ destPos += 4;
+ mask >>= 1;
+ }
+ }
+
+ ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+ }
+ }
+
+ function copyCtxState(sourceCtx, destCtx) {
+ const properties = ["strokeStyle", "fillStyle", "fillRule", "globalAlpha", "lineWidth", "lineCap", "lineJoin", "miterLimit", "globalCompositeOperation", "font"];
+
+ for (let i = 0, ii = properties.length; i < ii; i++) {
+ const property = properties[i];
+
+ 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 = "#000000";
+ 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;
+ }
+ }
+
+ function composeSMaskBackdrop(bytes, r0, g0, b0) {
+ const length = bytes.length;
+
+ for (let i = 3; i < length; i += 4) {
+ const alpha = bytes[i];
+
+ if (alpha === 0) {
+ bytes[i - 3] = r0;
+ bytes[i - 2] = g0;
+ bytes[i - 1] = b0;
+ } else if (alpha < 255) {
+ const alpha_ = 255 - alpha;
+ bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
+ bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
+ bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
+ }
+ }
+ }
+
+ function composeSMaskAlpha(maskData, layerData, transferMap) {
+ const length = maskData.length;
+ const scale = 1 / 255;
+
+ for (let i = 3; i < length; i += 4) {
+ const alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
+ layerData[i] = layerData[i] * alpha * scale | 0;
+ }
+ }
+
+ function composeSMaskLuminosity(maskData, layerData, transferMap) {
+ const length = maskData.length;
+
+ for (let i = 3; i < length; i += 4) {
+ const y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
+ layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
+ }
+ }
+
+ function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) {
+ const hasBackdrop = !!backdrop;
+ const r0 = hasBackdrop ? backdrop[0] : 0;
+ const g0 = hasBackdrop ? backdrop[1] : 0;
+ const b0 = hasBackdrop ? backdrop[2] : 0;
+ let composeFn;
+
+ if (subtype === "Luminosity") {
+ composeFn = composeSMaskLuminosity;
+ } else {
+ composeFn = composeSMaskAlpha;
+ }
+
+ const PIXELS_TO_PROCESS = 1048576;
+ const chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
+
+ for (let row = 0; row < height; row += chunkSize) {
+ const chunkHeight = Math.min(chunkSize, height - row);
+ const maskData = maskCtx.getImageData(0, row, width, chunkHeight);
+ const layerData = layerCtx.getImageData(0, row, width, chunkHeight);
+
+ if (hasBackdrop) {
+ composeSMaskBackdrop(maskData.data, r0, g0, b0);
+ }
+
+ composeFn(maskData.data, layerData.data, transferMap);
+ maskCtx.putImageData(layerData, 0, row);
+ }
+ }
+
+ function composeSMask(ctx, smask, layerCtx, webGLContext) {
+ const mask = smask.canvas;
+ const maskCtx = smask.context;
+ ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY);
+ const backdrop = smask.backdrop || null;
+
+ if (!smask.transferMap && webGLContext.isEnabled) {
+ const composed = webGLContext.composeSMask({
+ layer: layerCtx.canvas,
+ mask,
+ properties: {
+ subtype: smask.subtype,
+ backdrop
+ }
+ });
+ ctx.setTransform(1, 0, 0, 1, 0, 0);
+ ctx.drawImage(composed, smask.offsetX, smask.offsetY);
+ return;
+ }
+
+ genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap);
+ ctx.drawImage(mask, 0, 0);
+ }
+
+ const LINE_CAP_STYLES = ["butt", "round", "square"];
+ const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
+ const NORMAL_CLIP = {};
+ const EO_CLIP = {};
+ CanvasGraphics.prototype = {
+ beginDrawing({
+ transform,
+ viewport,
+ transparency = false,
+ background = null
+ }) {
+ const width = this.ctx.canvas.width;
+ const height = this.ctx.canvas.height;
+ this.ctx.save();
+ this.ctx.fillStyle = background || "rgb(255, 255, 255)";
+ this.ctx.fillRect(0, 0, width, height);
+ this.ctx.restore();
+
+ if (transparency) {
+ const transparentCanvas = this.cachedCanvases.getCanvas("transparent", width, height, true);
+ this.compositeCtx = this.ctx;
+ this.transparentCanvas = transparentCanvas.canvas;
+ this.ctx = transparentCanvas.context;
+ this.ctx.save();
+ this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform);
+ }
+
+ this.ctx.save();
+ resetCtxToDefault(this.ctx);
+
+ if (transform) {
+ this.ctx.transform.apply(this.ctx, transform);
+ }
+
+ this.ctx.transform.apply(this.ctx, viewport.transform);
+ this.baseTransform = this.ctx.mozCurrentTransform.slice();
+
+ if (this.imageLayer) {
+ this.imageLayer.beginLayout();
+ }
+ },
+
+ executeOperatorList: function CanvasGraphics_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 !== _util.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;
+ }
+ }
+ },
+ endDrawing: function CanvasGraphics_endDrawing() {
+ while (this.stateStack.length || this.current.activeSMask !== null) {
+ this.restore();
+ }
+
+ 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;
+ }
+
+ this.cachedCanvases.clear();
+ this.webGLContext.clear();
+
+ if (this.imageLayer) {
+ this.imageLayer.endLayout();
+ }
+ },
+ setLineWidth: function CanvasGraphics_setLineWidth(width) {
+ this.current.lineWidth = width;
+ this.ctx.lineWidth = width;
+ },
+ setLineCap: function CanvasGraphics_setLineCap(style) {
+ this.ctx.lineCap = LINE_CAP_STYLES[style];
+ },
+ setLineJoin: function CanvasGraphics_setLineJoin(style) {
+ this.ctx.lineJoin = LINE_JOIN_STYLES[style];
+ },
+ setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
+ this.ctx.miterLimit = limit;
+ },
+ setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
+ const ctx = this.ctx;
+
+ if (ctx.setLineDash !== undefined) {
+ ctx.setLineDash(dashArray);
+ ctx.lineDashOffset = dashPhase;
+ }
+ },
+
+ setRenderingIntent(intent) {},
+
+ setFlatness(flatness) {},
+
+ setGState: function CanvasGraphics_setGState(states) {
+ for (let i = 0, ii = states.length; i < ii; i++) {
+ const state = states[i];
+ const key = state[0];
+ const value = state[1];
+
+ 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 = state[1];
+ break;
+
+ case "ca":
+ this.current.fillAlpha = state[1];
+ this.ctx.globalAlpha = state[1];
+ break;
+
+ case "BM":
+ this.ctx.globalCompositeOperation = value;
+ break;
+
+ case "SMask":
+ if (this.current.activeSMask) {
+ if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) {
+ this.suspendSMaskGroup();
+ } else {
+ this.endSMaskGroup();
+ }
+ }
+
+ this.current.activeSMask = value ? this.tempSMask : null;
+
+ if (this.current.activeSMask) {
+ this.beginSMaskGroup();
+ }
+
+ this.tempSMask = null;
+ break;
+
+ case "TR":
+ this.current.transferMaps = value;
+ }
+ }
+ },
+ beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
+ const activeSMask = this.current.activeSMask;
+ const drawnWidth = activeSMask.canvas.width;
+ const drawnHeight = activeSMask.canvas.height;
+ const cacheId = "smaskGroupAt" + this.groupLevel;
+ const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
+ const currentCtx = this.ctx;
+ const currentTransform = currentCtx.mozCurrentTransform;
+ this.ctx.save();
+ const groupCtx = scratchCanvas.context;
+ groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);
+ groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);
+ groupCtx.transform.apply(groupCtx, currentTransform);
+ activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;
+ copyCtxState(currentCtx, groupCtx);
+ this.ctx = groupCtx;
+ this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
+ this.groupStack.push(currentCtx);
+ this.groupLevel++;
+ },
+ suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+ const groupCtx = this.ctx;
+ this.groupLevel--;
+ this.ctx = this.groupStack.pop();
+ composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext);
+ this.ctx.restore();
+ this.ctx.save();
+ copyCtxState(groupCtx, this.ctx);
+ this.current.resumeSMaskCtx = groupCtx;
+
+ const deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
+
+ this.ctx.transform.apply(this.ctx, deltaTransform);
+ groupCtx.save();
+ groupCtx.setTransform(1, 0, 0, 1, 0, 0);
+ groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
+ groupCtx.restore();
+ },
+ resumeSMaskGroup: function CanvasGraphics_resumeSMaskGroup() {
+ const groupCtx = this.current.resumeSMaskCtx;
+ const currentCtx = this.ctx;
+ this.ctx = groupCtx;
+ this.groupStack.push(currentCtx);
+ this.groupLevel++;
+ },
+ endSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+ const groupCtx = this.ctx;
+ this.groupLevel--;
+ this.ctx = this.groupStack.pop();
+ composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext);
+ this.ctx.restore();
+ copyCtxState(groupCtx, this.ctx);
+
+ const deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
+
+ this.ctx.transform.apply(this.ctx, deltaTransform);
+ },
+ save: function CanvasGraphics_save() {
+ this.ctx.save();
+ const old = this.current;
+ this.stateStack.push(old);
+ this.current = old.clone();
+ this.current.resumeSMaskCtx = null;
+ },
+ restore: function CanvasGraphics_restore() {
+ if (this.current.resumeSMaskCtx) {
+ this.resumeSMaskGroup();
+ }
+
+ if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) {
+ this.endSMaskGroup();
+ }
+
+ if (this.stateStack.length !== 0) {
+ this.current = this.stateStack.pop();
+ this.ctx.restore();
+ this.pendingClip = null;
+ this._cachedGetSinglePixelWidth = null;
+ } else {
+ this.current.activeSMask = null;
+ }
+ },
+ transform: function CanvasGraphics_transform(a, b, c, d, e, f) {
+ this.ctx.transform(a, b, c, d, e, f);
+ this._cachedGetSinglePixelWidth = null;
+ },
+ constructPath: function CanvasGraphics_constructPath(ops, args) {
+ const ctx = this.ctx;
+ const current = this.current;
+ let x = current.x,
+ y = current.y;
+
+ for (let i = 0, j = 0, ii = ops.length; i < ii; i++) {
+ switch (ops[i] | 0) {
+ case _util.OPS.rectangle:
+ x = args[j++];
+ y = args[j++];
+ let width = args[j++];
+ let height = args[j++];
+
+ if (width === 0 && ctx.lineWidth < this.getSinglePixelWidth()) {
+ width = this.getSinglePixelWidth();
+ }
+
+ if (height === 0 && ctx.lineWidth < this.getSinglePixelWidth()) {
+ height = this.getSinglePixelWidth();
+ }
+
+ const xw = x + width;
+ const yh = y + height;
+ ctx.moveTo(x, y);
+ ctx.lineTo(xw, y);
+ ctx.lineTo(xw, yh);
+ ctx.lineTo(x, yh);
+ ctx.lineTo(x, y);
+ ctx.closePath();
+ break;
+
+ case _util.OPS.moveTo:
+ x = args[j++];
+ y = args[j++];
+ ctx.moveTo(x, y);
+ break;
+
+ case _util.OPS.lineTo:
+ x = args[j++];
+ y = args[j++];
+ ctx.lineTo(x, y);
+ break;
+
+ case _util.OPS.curveTo:
+ x = args[j + 4];
+ y = args[j + 5];
+ ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
+ j += 6;
+ break;
+
+ case _util.OPS.curveTo2:
+ ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
+ x = args[j + 2];
+ y = args[j + 3];
+ j += 4;
+ break;
+
+ case _util.OPS.curveTo3:
+ x = args[j + 2];
+ y = args[j + 3];
+ ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
+ j += 4;
+ break;
+
+ case _util.OPS.closePath:
+ ctx.closePath();
+ break;
+ }
+ }
+
+ current.setCurrentPoint(x, y);
+ },
+ closePath: function CanvasGraphics_closePath() {
+ this.ctx.closePath();
+ },
+ stroke: function CanvasGraphics_stroke(consumePath) {
+ consumePath = typeof consumePath !== "undefined" ? 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();
+ const transform = ctx.mozCurrentTransform;
+
+ const scale = _util.Util.singularValueDecompose2dScale(transform)[0];
+
+ ctx.strokeStyle = strokeColor.getPattern(ctx, this);
+ ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth * scale);
+ ctx.stroke();
+ ctx.restore();
+ } else {
+ ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
+ ctx.stroke();
+ }
+ }
+
+ if (consumePath) {
+ this.consumePath();
+ }
+
+ ctx.globalAlpha = this.current.fillAlpha;
+ },
+ closeStroke: function CanvasGraphics_closeStroke() {
+ this.closePath();
+ this.stroke();
+ },
+ fill: function CanvasGraphics_fill(consumePath) {
+ consumePath = typeof consumePath !== "undefined" ? consumePath : true;
+ const ctx = this.ctx;
+ const fillColor = this.current.fillColor;
+ const isPatternFill = this.current.patternFill;
+ let needRestore = false;
+
+ if (isPatternFill) {
+ ctx.save();
+
+ if (this.baseTransform) {
+ ctx.setTransform.apply(ctx, this.baseTransform);
+ }
+
+ ctx.fillStyle = fillColor.getPattern(ctx, this);
+ needRestore = true;
+ }
+
+ if (this.contentVisible) {
+ if (this.pendingEOFill) {
+ ctx.fill("evenodd");
+ this.pendingEOFill = false;
+ } else {
+ ctx.fill();
+ }
+ }
+
+ if (needRestore) {
+ ctx.restore();
+ }
+
+ if (consumePath) {
+ this.consumePath();
+ }
+ },
+ eoFill: function CanvasGraphics_eoFill() {
+ this.pendingEOFill = true;
+ this.fill();
+ },
+ fillStroke: function CanvasGraphics_fillStroke() {
+ this.fill(false);
+ this.stroke(false);
+ this.consumePath();
+ },
+ eoFillStroke: function CanvasGraphics_eoFillStroke() {
+ this.pendingEOFill = true;
+ this.fillStroke();
+ },
+ closeFillStroke: function CanvasGraphics_closeFillStroke() {
+ this.closePath();
+ this.fillStroke();
+ },
+ closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
+ this.pendingEOFill = true;
+ this.closePath();
+ this.fillStroke();
+ },
+ endPath: function CanvasGraphics_endPath() {
+ this.consumePath();
+ },
+ clip: function CanvasGraphics_clip() {
+ this.pendingClip = NORMAL_CLIP;
+ },
+ eoClip: function CanvasGraphics_eoClip() {
+ this.pendingClip = EO_CLIP;
+ },
+ beginText: function CanvasGraphics_beginText() {
+ this.current.textMatrix = _util.IDENTITY_MATRIX;
+ this.current.textMatrixScale = 1;
+ this.current.x = this.current.lineX = 0;
+ this.current.y = this.current.lineY = 0;
+ },
+ endText: function CanvasGraphics_endText() {
+ const paths = this.pendingTextPaths;
+ const ctx = this.ctx;
+
+ if (paths === undefined) {
+ ctx.beginPath();
+ return;
+ }
+
+ ctx.save();
+ ctx.beginPath();
+
+ for (let i = 0; i < paths.length; i++) {
+ const path = paths[i];
+ ctx.setTransform.apply(ctx, path.transform);
+ ctx.translate(path.x, path.y);
+ path.addToPath(ctx, path.fontSize);
+ }
+
+ ctx.restore();
+ ctx.clip();
+ ctx.beginPath();
+ delete this.pendingTextPaths;
+ },
+ setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {
+ this.current.charSpacing = spacing;
+ },
+ setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {
+ this.current.wordSpacing = spacing;
+ },
+ setHScale: function CanvasGraphics_setHScale(scale) {
+ this.current.textHScale = scale / 100;
+ },
+ setLeading: function CanvasGraphics_setLeading(leading) {
+ this.current.leading = -leading;
+ },
+ setFont: function CanvasGraphics_setFont(fontRefName, size) {
+ const fontObj = this.commonObjs.get(fontRefName);
+ const current = this.current;
+
+ if (!fontObj) {
+ throw new Error(`Can't find font for ${fontRefName}`);
+ }
+
+ current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
+
+ if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
+ (0, _util.warn)("Invalid font matrix for font " + fontRefName);
+ }
+
+ if (size < 0) {
+ size = -size;
+ current.fontDirection = -1;
+ } else {
+ current.fontDirection = 1;
+ }
+
+ this.current.font = fontObj;
+ this.current.fontSize = size;
+
+ if (fontObj.isType3Font) {
+ return;
+ }
+
+ const name = fontObj.loadedName || "sans-serif";
+ let bold = "normal";
+
+ if (fontObj.black) {
+ bold = "900";
+ } else if (fontObj.bold) {
+ bold = "bold";
+ }
+
+ const italic = fontObj.italic ? "italic" : "normal";
+ const typeface = `"${name}", ${fontObj.fallbackName}`;
+ let browserFontSize = size;
+
+ if (size < MIN_FONT_SIZE) {
+ browserFontSize = MIN_FONT_SIZE;
+ } else if (size > MAX_FONT_SIZE) {
+ browserFontSize = MAX_FONT_SIZE;
+ }
+
+ this.current.fontSizeScale = size / browserFontSize;
+ this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;
+ },
+ setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
+ this.current.textRenderingMode = mode;
+ },
+ setTextRise: function CanvasGraphics_setTextRise(rise) {
+ this.current.textRise = rise;
+ },
+ moveText: function CanvasGraphics_moveText(x, y) {
+ this.current.x = this.current.lineX += x;
+ this.current.y = this.current.lineY += y;
+ },
+ setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
+ this.setLeading(-y);
+ this.moveText(x, y);
+ },
+ setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
+ this.current.textMatrix = [a, b, c, d, e, f];
+ this.current.textMatrixScale = Math.sqrt(a * a + b * b);
+ this.current.x = this.current.lineX = 0;
+ this.current.y = this.current.lineY = 0;
+ },
+ nextLine: function CanvasGraphics_nextLine() {
+ this.moveText(0, this.current.leading);
+ },
+
+ paintChar(character, x, y, patternTransform) {
+ 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 & _util.TextRenderingMode.FILL_STROKE_MASK;
+ const isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
+ const patternFill = current.patternFill && !font.missingFile;
+ let addToPath;
+
+ if (font.disableFontFace || isAddToPathSet || patternFill) {
+ addToPath = font.getPathGenerator(this.commonObjs, character);
+ }
+
+ if (font.disableFontFace || patternFill) {
+ ctx.save();
+ ctx.translate(x, y);
+ ctx.beginPath();
+ addToPath(ctx, fontSize);
+
+ if (patternTransform) {
+ ctx.setTransform.apply(ctx, patternTransform);
+ }
+
+ if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+ ctx.fill();
+ }
+
+ if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+ ctx.stroke();
+ }
+
+ ctx.restore();
+ } else {
+ if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+ ctx.fillText(character, x, y);
+ }
+
+ if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+ ctx.strokeText(character, x, y);
+ }
+ }
+
+ if (isAddToPathSet) {
+ const paths = this.pendingTextPaths || (this.pendingTextPaths = []);
+ paths.push({
+ transform: ctx.mozCurrentTransform,
+ x,
+ y,
+ fontSize,
+ addToPath
+ });
+ }
+ },
+
+ 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 (0, _util.shadow)(this, "isFontSubpixelAAEnabled", enabled);
+ },
+
+ showText: function CanvasGraphics_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 === _util.TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill;
+ ctx.save();
+ let patternTransform;
+
+ if (current.patternFill) {
+ ctx.save();
+ const pattern = current.fillColor.getPattern(ctx, this);
+ patternTransform = ctx.mozCurrentTransform;
+ ctx.restore();
+ ctx.fillStyle = pattern;
+ }
+
+ ctx.transform.apply(ctx, current.textMatrix);
+ ctx.translate(current.x, current.y + current.textRise);
+
+ if (fontDirection > 0) {
+ ctx.scale(textHScale, -1);
+ } else {
+ ctx.scale(textHScale, 1);
+ }
+
+ let lineWidth = current.lineWidth;
+ const scale = current.textMatrixScale;
+
+ if (scale === 0 || lineWidth === 0) {
+ const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+
+ if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+ this._cachedGetSinglePixelWidth = null;
+ lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;
+ }
+ } else {
+ lineWidth /= scale;
+ }
+
+ if (fontSizeScale !== 1.0) {
+ ctx.scale(fontSizeScale, fontSizeScale);
+ lineWidth /= fontSizeScale;
+ }
+
+ ctx.lineWidth = lineWidth;
+ let x = 0,
+ i;
+
+ for (i = 0; i < glyphsLength; ++i) {
+ const glyph = glyphs[i];
+
+ if ((0, _util.isNum)(glyph)) {
+ 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, patternTransform);
+
+ if (accent) {
+ const scaledAccentX = scaledX + fontSize * accent.offset.x / fontSizeScale;
+ const scaledAccentY = scaledY - fontSize * accent.offset.y / fontSizeScale;
+ this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform);
+ }
+ }
+ }
+
+ let charWidth;
+
+ if (vertical) {
+ charWidth = width * widthAdvanceScale - spacing * fontDirection;
+ } else {
+ charWidth = width * widthAdvanceScale + spacing * fontDirection;
+ }
+
+ x += charWidth;
+
+ if (restoreNeeded) {
+ ctx.restore();
+ }
+ }
+
+ if (vertical) {
+ current.y -= x;
+ } else {
+ current.x += x * textHScale;
+ }
+
+ ctx.restore();
+ },
+ showType3Text: function CanvasGraphics_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 || _util.FONT_IDENTITY_MATRIX;
+ const glyphsLength = glyphs.length;
+ const isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE;
+ let i, glyph, width, spacingLength;
+
+ if (isTextInvisible || fontSize === 0) {
+ return;
+ }
+
+ this._cachedGetSinglePixelWidth = null;
+ ctx.save();
+ ctx.transform.apply(ctx, current.textMatrix);
+ ctx.translate(current.x, current.y);
+ ctx.scale(textHScale, fontDirection);
+
+ for (i = 0; i < glyphsLength; ++i) {
+ glyph = glyphs[i];
+
+ if ((0, _util.isNum)(glyph)) {
+ 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) {
+ (0, _util.warn)(`Type3 character "${glyph.operatorListId}" is not available.`);
+ continue;
+ }
+
+ if (this.contentVisible) {
+ this.processingType3 = glyph;
+ this.save();
+ ctx.scale(fontSize, fontSize);
+ ctx.transform.apply(ctx, fontMatrix);
+ this.executeOperatorList(operatorList);
+ this.restore();
+ }
+
+ const transformed = _util.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: function CanvasGraphics_setCharWidth(xWidth, yWidth) {},
+ setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
+ this.ctx.rect(llx, lly, urx - llx, ury - lly);
+ this.clip();
+ this.endPath();
+ },
+ getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {
+ let pattern;
+
+ if (IR[0] === "TilingPattern") {
+ const color = IR[1];
+ const baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
+ const canvasGraphicsFactory = {
+ createCanvasGraphics: ctx => {
+ return new CanvasGraphics(ctx, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext);
+ }
+ };
+ pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
+ } else {
+ pattern = (0, _pattern_helper.getShadingPatternFromIR)(IR);
+ }
+
+ return pattern;
+ },
+ setStrokeColorN: function CanvasGraphics_setStrokeColorN() {
+ this.current.strokeColor = this.getColorN_Pattern(arguments);
+ },
+ setFillColorN: function CanvasGraphics_setFillColorN() {
+ this.current.fillColor = this.getColorN_Pattern(arguments);
+ this.current.patternFill = true;
+ },
+ setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {
+ const color = _util.Util.makeHexColor(r, g, b);
+
+ this.ctx.strokeStyle = color;
+ this.current.strokeColor = color;
+ },
+ setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
+ const color = _util.Util.makeHexColor(r, g, b);
+
+ this.ctx.fillStyle = color;
+ this.current.fillColor = color;
+ this.current.patternFill = false;
+ },
+ shadingFill: function CanvasGraphics_shadingFill(patternIR) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const ctx = this.ctx;
+ this.save();
+ const pattern = (0, _pattern_helper.getShadingPatternFromIR)(patternIR);
+ ctx.fillStyle = pattern.getPattern(ctx, this, true);
+ const inv = ctx.mozCurrentTransformInverse;
+
+ if (inv) {
+ const canvas = ctx.canvas;
+ const width = canvas.width;
+ const height = canvas.height;
+
+ const bl = _util.Util.applyTransform([0, 0], inv);
+
+ const br = _util.Util.applyTransform([0, height], inv);
+
+ const ul = _util.Util.applyTransform([width, 0], inv);
+
+ const ur = _util.Util.applyTransform([width, height], inv);
+
+ const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
+ const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
+ const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
+ const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+ this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
+ } else {
+ this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
+ }
+
+ this.restore();
+ },
+ beginInlineImage: function CanvasGraphics_beginInlineImage() {
+ (0, _util.unreachable)("Should not call beginInlineImage");
+ },
+ beginImageData: function CanvasGraphics_beginImageData() {
+ (0, _util.unreachable)("Should not call beginImageData");
+ },
+ paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ this.save();
+ this.baseTransformStack.push(this.baseTransform);
+
+ if (Array.isArray(matrix) && matrix.length === 6) {
+ this.transform.apply(this, matrix);
+ }
+
+ this.baseTransform = this.ctx.mozCurrentTransform;
+
+ if (bbox) {
+ const width = bbox[2] - bbox[0];
+ const height = bbox[3] - bbox[1];
+ this.ctx.rect(bbox[0], bbox[1], width, height);
+ this.clip();
+ this.endPath();
+ }
+ },
+ paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ this.restore();
+ this.baseTransform = this.baseTransformStack.pop();
+ },
+ beginGroup: function CanvasGraphics_beginGroup(group) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ this.save();
+ const currentCtx = this.ctx;
+
+ if (!group.isolated) {
+ (0, _util.info)("TODO: Support non-isolated groups.");
+ }
+
+ if (group.knockout) {
+ (0, _util.warn)("Knockout groups not supported.");
+ }
+
+ const currentTransform = currentCtx.mozCurrentTransform;
+
+ if (group.matrix) {
+ currentCtx.transform.apply(currentCtx, group.matrix);
+ }
+
+ if (!group.bbox) {
+ throw new Error("Bounding box is required.");
+ }
+
+ let bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
+
+ const canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
+ bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
+ const offsetX = Math.floor(bounds[0]);
+ const offsetY = Math.floor(bounds[1]);
+ let drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
+ let drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
+ let scaleX = 1,
+ scaleY = 1;
+
+ if (drawnWidth > MAX_GROUP_SIZE) {
+ scaleX = drawnWidth / MAX_GROUP_SIZE;
+ drawnWidth = MAX_GROUP_SIZE;
+ }
+
+ if (drawnHeight > MAX_GROUP_SIZE) {
+ scaleY = drawnHeight / MAX_GROUP_SIZE;
+ drawnHeight = MAX_GROUP_SIZE;
+ }
+
+ let cacheId = "groupAt" + this.groupLevel;
+
+ if (group.smask) {
+ cacheId += "_smask_" + this.smaskCounter++ % 2;
+ }
+
+ const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
+ const groupCtx = scratchCanvas.context;
+ groupCtx.scale(1 / scaleX, 1 / scaleY);
+ groupCtx.translate(-offsetX, -offsetY);
+ groupCtx.transform.apply(groupCtx, currentTransform);
+
+ if (group.smask) {
+ this.smaskStack.push({
+ canvas: scratchCanvas.canvas,
+ context: groupCtx,
+ offsetX,
+ offsetY,
+ scaleX,
+ scaleY,
+ 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.scale(scaleX, scaleY);
+ }
+
+ copyCtxState(currentCtx, groupCtx);
+ this.ctx = groupCtx;
+ this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
+ this.groupStack.push(currentCtx);
+ this.groupLevel++;
+ this.current.activeSMask = null;
+ },
+ endGroup: function CanvasGraphics_endGroup(group) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ this.groupLevel--;
+ const groupCtx = this.ctx;
+ this.ctx = this.groupStack.pop();
+
+ if (this.ctx.imageSmoothingEnabled !== undefined) {
+ this.ctx.imageSmoothingEnabled = false;
+ } else {
+ this.ctx.mozImageSmoothingEnabled = false;
+ }
+
+ if (group.smask) {
+ this.tempSMask = this.smaskStack.pop();
+ } else {
+ this.ctx.drawImage(groupCtx.canvas, 0, 0);
+ }
+
+ this.restore();
+ },
+ beginAnnotations: function CanvasGraphics_beginAnnotations() {
+ this.save();
+
+ if (this.baseTransform) {
+ this.ctx.setTransform.apply(this.ctx, this.baseTransform);
+ }
+ },
+ endAnnotations: function CanvasGraphics_endAnnotations() {
+ this.restore();
+ },
+ beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) {
+ this.save();
+ resetCtxToDefault(this.ctx);
+ this.current = new CanvasExtraState();
+
+ if (Array.isArray(rect) && rect.length === 4) {
+ const width = rect[2] - rect[0];
+ const height = rect[3] - rect[1];
+ this.ctx.rect(rect[0], rect[1], width, height);
+ this.clip();
+ this.endPath();
+ }
+
+ this.transform.apply(this, transform);
+ this.transform.apply(this, matrix);
+ },
+ endAnnotation: function CanvasGraphics_endAnnotation() {
+ this.restore();
+ },
+ paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const ctx = this.ctx;
+ const width = img.width,
+ height = img.height;
+ const fillColor = this.current.fillColor;
+ const isPatternFill = this.current.patternFill;
+ const glyph = this.processingType3;
+
+ if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
+ if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
+ glyph.compiled = compileType3Glyph({
+ data: img.data,
+ width,
+ height
+ });
+ } else {
+ glyph.compiled = null;
+ }
+ }
+
+ if (glyph?.compiled) {
+ glyph.compiled(ctx);
+ return;
+ }
+
+ const maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+ const maskCtx = maskCanvas.context;
+ maskCtx.save();
+ putBinaryImageMask(maskCtx, img);
+ maskCtx.globalCompositeOperation = "source-in";
+ maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+ maskCtx.fillRect(0, 0, width, height);
+ maskCtx.restore();
+ this.paintInlineImageXObject(maskCanvas.canvas);
+ },
+
+ paintImageMaskXObjectRepeat(imgData, scaleX, skewX = 0, skewY = 0, scaleY, positions) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const width = imgData.width;
+ const height = imgData.height;
+ const fillColor = this.current.fillColor;
+ const isPatternFill = this.current.patternFill;
+ const maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+ const maskCtx = maskCanvas.context;
+ maskCtx.save();
+ putBinaryImageMask(maskCtx, imgData);
+ maskCtx.globalCompositeOperation = "source-in";
+ maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+ maskCtx.fillRect(0, 0, width, height);
+ maskCtx.restore();
+ const ctx = this.ctx;
+
+ for (let i = 0, ii = positions.length; i < ii; i += 2) {
+ ctx.save();
+ ctx.transform(scaleX, skewX, skewY, scaleY, positions[i], positions[i + 1]);
+ ctx.scale(1, -1);
+ ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
+ ctx.restore();
+ }
+ },
+
+ paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const ctx = this.ctx;
+ const fillColor = this.current.fillColor;
+ const isPatternFill = this.current.patternFill;
+
+ for (let i = 0, ii = images.length; i < ii; i++) {
+ const image = images[i];
+ const width = image.width,
+ height = image.height;
+ const maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
+ const maskCtx = maskCanvas.context;
+ maskCtx.save();
+ putBinaryImageMask(maskCtx, image);
+ maskCtx.globalCompositeOperation = "source-in";
+ maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+ maskCtx.fillRect(0, 0, width, height);
+ maskCtx.restore();
+ ctx.save();
+ ctx.transform.apply(ctx, image.transform);
+ ctx.scale(1, -1);
+ ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
+ ctx.restore();
+ }
+ },
+ paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+ if (!imgData) {
+ (0, _util.warn)("Dependent image isn't ready yet");
+ return;
+ }
+
+ this.paintInlineImageXObject(imgData);
+ },
+ paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+ if (!imgData) {
+ (0, _util.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);
+ },
+ paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const width = imgData.width;
+ const height = imgData.height;
+ const ctx = this.ctx;
+ this.save();
+ ctx.scale(1 / width, -1 / height);
+ const currentTransform = ctx.mozCurrentTransformInverse;
+ const a = currentTransform[0],
+ b = currentTransform[1];
+ let widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
+ const c = currentTransform[2],
+ d = currentTransform[3];
+ let heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
+ let imgToPaint, tmpCanvas, tmpCtx;
+
+ if (typeof HTMLElement === "function" && imgData instanceof HTMLElement || !imgData.data) {
+ imgToPaint = imgData;
+ } else {
+ tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height);
+ tmpCtx = tmpCanvas.context;
+ putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
+ imgToPaint = tmpCanvas.canvas;
+ }
+
+ let paintWidth = width,
+ paintHeight = height;
+ let tmpCanvasId = "prescale1";
+
+ while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
+ let newWidth = paintWidth,
+ newHeight = paintHeight;
+
+ if (widthScale > 2 && paintWidth > 1) {
+ newWidth = Math.ceil(paintWidth / 2);
+ widthScale /= paintWidth / newWidth;
+ }
+
+ if (heightScale > 2 && paintHeight > 1) {
+ newHeight = 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(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
+ imgToPaint = tmpCanvas.canvas;
+ paintWidth = newWidth;
+ paintHeight = newHeight;
+ tmpCanvasId = tmpCanvasId === "prescale1" ? "prescale2" : "prescale1";
+ }
+
+ ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height);
+
+ if (this.imageLayer) {
+ const position = this.getCanvasPosition(0, -height);
+ this.imageLayer.appendImage({
+ imgData,
+ left: position[0],
+ top: position[1],
+ width: width / currentTransform[0],
+ height: height / currentTransform[3]
+ });
+ }
+
+ this.restore();
+ },
+ paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ const ctx = this.ctx;
+ const w = imgData.width;
+ const h = imgData.height;
+ const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", w, h);
+ const tmpCtx = tmpCanvas.context;
+ putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
+
+ for (let i = 0, ii = map.length; i < ii; i++) {
+ const entry = map[i];
+ ctx.save();
+ ctx.transform.apply(ctx, entry.transform);
+ ctx.scale(1, -1);
+ ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
+
+ if (this.imageLayer) {
+ const position = this.getCanvasPosition(entry.x, entry.y);
+ this.imageLayer.appendImage({
+ imgData,
+ left: position[0],
+ top: position[1],
+ width: w,
+ height: h
+ });
+ }
+
+ ctx.restore();
+ }
+ },
+ paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
+ if (!this.contentVisible) {
+ return;
+ }
+
+ this.ctx.fillRect(0, 0, 1, 1);
+ },
+ markPoint: function CanvasGraphics_markPoint(tag) {},
+ markPointProps: function CanvasGraphics_markPointProps(tag, properties) {},
+ beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {
+ this.markedContentStack.push({
+ visible: true
+ });
+ },
+ beginMarkedContentProps: function CanvasGraphics_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: function CanvasGraphics_endMarkedContent() {
+ this.markedContentStack.pop();
+ this.contentVisible = this.isContentVisible();
+ },
+ beginCompat: function CanvasGraphics_beginCompat() {},
+ endCompat: function CanvasGraphics_endCompat() {},
+ consumePath: function CanvasGraphics_consumePath() {
+ const ctx = this.ctx;
+
+ if (this.pendingClip) {
+ if (this.pendingClip === EO_CLIP) {
+ ctx.clip("evenodd");
+ } else {
+ ctx.clip();
+ }
+
+ this.pendingClip = null;
+ }
+
+ ctx.beginPath();
+ },
+
+ getSinglePixelWidth(scale) {
+ if (this._cachedGetSinglePixelWidth === null) {
+ const inverse = this.ctx.mozCurrentTransformInverse;
+ this._cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3]));
+ }
+
+ return this._cachedGetSinglePixelWidth;
+ },
+
+ getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
+ const transform = this.ctx.mozCurrentTransform;
+ return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]];
+ },
+ isContentVisible: function CanvasGraphics_isContentVisible() {
+ for (let i = this.markedContentStack.length - 1; i >= 0; i--) {
+ if (!this.markedContentStack[i].visible) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+ };
+
+ for (const op in _util.OPS) {
+ CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op];
+ }
+
+ return CanvasGraphics;
+}();
+
+exports.CanvasGraphics = CanvasGraphics;
+
+/***/ }),
+/* 11 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.getShadingPatternFromIR = getShadingPatternFromIR;
+exports.TilingPattern = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+const ShadingIRs = {};
+
+function applyBoundingBox(ctx, bbox) {
+ if (!bbox || typeof Path2D === "undefined") {
+ 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);
+}
+
+ShadingIRs.RadialAxial = {
+ fromIR: function RadialAxial_fromIR(raw) {
+ const type = raw[1];
+ const bbox = raw[2];
+ const colorStops = raw[3];
+ const p0 = raw[4];
+ const p1 = raw[5];
+ const r0 = raw[6];
+ const r1 = raw[7];
+ return {
+ getPattern: function RadialAxial_getPattern(ctx) {
+ applyBoundingBox(ctx, bbox);
+ let grad;
+
+ if (type === "axial") {
+ grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
+ } else if (type === "radial") {
+ grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
+ }
+
+ for (let i = 0, ii = colorStops.length; i < ii; ++i) {
+ const c = colorStops[i];
+ grad.addColorStop(c[0], c[1]);
+ }
+
+ return grad;
+ }
+ };
+ }
+};
+
+const createMeshCanvas = function createMeshCanvasClosure() {
+ 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) {
+ let k;
+
+ if (y < y1) {
+ k = 0;
+ } else if (y1 === y2) {
+ k = 1;
+ } else {
+ k = (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");
+ }
+ }
+
+ function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases, webGLContext) {
+ const EXPECTED_SCALE = 1.1;
+ const MAX_PATTERN_SIZE = 3000;
+ const BORDER_SIZE = 2;
+ const offsetX = Math.floor(bounds[0]);
+ const offsetY = Math.floor(bounds[1]);
+ const boundsWidth = Math.ceil(bounds[2]) - offsetX;
+ const boundsHeight = Math.ceil(bounds[3]) - offsetY;
+ const width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+ const height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+ const scaleX = boundsWidth / width;
+ const scaleY = boundsHeight / height;
+ const context = {
+ coords,
+ colors,
+ offsetX: -offsetX,
+ offsetY: -offsetY,
+ scaleX: 1 / scaleX,
+ scaleY: 1 / scaleY
+ };
+ const paddedWidth = width + BORDER_SIZE * 2;
+ const paddedHeight = height + BORDER_SIZE * 2;
+ let canvas, tmpCanvas, i, ii;
+
+ if (webGLContext.isEnabled) {
+ canvas = webGLContext.drawFigures({
+ width,
+ height,
+ backgroundColor,
+ figures,
+ context
+ });
+ tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false);
+ tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);
+ canvas = tmpCanvas.canvas;
+ } else {
+ tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false);
+ const tmpCtx = tmpCanvas.context;
+ const data = tmpCtx.createImageData(width, height);
+
+ if (backgroundColor) {
+ const bytes = data.data;
+
+ for (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 (i = 0; i < figures.length; i++) {
+ drawFigure(data, figures[i], context);
+ }
+
+ tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
+ canvas = tmpCanvas.canvas;
+ }
+
+ return {
+ canvas,
+ offsetX: offsetX - BORDER_SIZE * scaleX,
+ offsetY: offsetY - BORDER_SIZE * scaleY,
+ scaleX,
+ scaleY
+ };
+ }
+
+ return createMeshCanvas;
+}();
+
+ShadingIRs.Mesh = {
+ fromIR: function Mesh_fromIR(raw) {
+ const coords = raw[2];
+ const colors = raw[3];
+ const figures = raw[4];
+ const bounds = raw[5];
+ const matrix = raw[6];
+ const bbox = raw[7];
+ const background = raw[8];
+ return {
+ getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
+ applyBoundingBox(ctx, bbox);
+ let scale;
+
+ if (shadingFill) {
+ scale = _util.Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
+ } else {
+ scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform);
+
+ if (matrix) {
+ const matrixScale = _util.Util.singularValueDecompose2dScale(matrix);
+
+ scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
+ }
+ }
+
+ const temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases, owner.webGLContext);
+
+ if (!shadingFill) {
+ ctx.setTransform.apply(ctx, owner.baseTransform);
+
+ if (matrix) {
+ ctx.transform.apply(ctx, matrix);
+ }
+ }
+
+ ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
+ ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
+ return ctx.createPattern(temporaryPatternCanvas.canvas, "no-repeat");
+ }
+ };
+ }
+};
+ShadingIRs.Dummy = {
+ fromIR: function Dummy_fromIR() {
+ return {
+ getPattern: function Dummy_fromIR_getPattern() {
+ return "hotpink";
+ }
+ };
+ }
+};
+
+function getShadingPatternFromIR(raw) {
+ const shadingIR = ShadingIRs[raw[0]];
+
+ if (!shadingIR) {
+ throw new Error(`Unknown IR type: ${raw[0]}`);
+ }
+
+ return shadingIR.fromIR(raw);
+}
+
+const TilingPattern = function TilingPatternClosure() {
+ const PaintType = {
+ COLORED: 1,
+ UNCOLORED: 2
+ };
+ const MAX_PATTERN_SIZE = 3000;
+
+ function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
+ this.operatorList = IR[2];
+ this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];
+ this.bbox = IR[4];
+ this.xstep = IR[5];
+ this.ystep = IR[6];
+ this.paintType = IR[7];
+ this.tilingType = IR[8];
+ this.color = color;
+ this.canvasGraphicsFactory = canvasGraphicsFactory;
+ this.baseTransform = baseTransform;
+ this.ctx = ctx;
+ }
+
+ TilingPattern.prototype = {
+ createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
+ const operatorList = this.operatorList;
+ const bbox = this.bbox;
+ const xstep = this.xstep;
+ const ystep = this.ystep;
+ const paintType = this.paintType;
+ const tilingType = this.tilingType;
+ const color = this.color;
+ const canvasGraphicsFactory = this.canvasGraphicsFactory;
+ (0, _util.info)("TilingType: " + tilingType);
+ const x0 = bbox[0],
+ y0 = bbox[1],
+ x1 = bbox[2],
+ y1 = bbox[3];
+
+ const matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
+
+ const curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
+
+ const combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
+ const dimx = this.getSizeAndScale(xstep, this.ctx.canvas.width, combinedScale[0]);
+ const dimy = this.getSizeAndScale(ystep, this.ctx.canvas.height, combinedScale[1]);
+ const tmpCanvas = owner.cachedCanvases.getCanvas("pattern", dimx.size, dimy.size, true);
+ const tmpCtx = tmpCanvas.context;
+ const graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
+ graphics.groupLevel = owner.groupLevel;
+ this.setFillAndStrokeStyleToContext(graphics, paintType, color);
+ graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);
+ graphics.transform(1, 0, 0, 1, -x0, -y0);
+ this.clipBbox(graphics, bbox, x0, y0, x1, y1);
+ graphics.executeOperatorList(operatorList);
+ this.ctx.transform(1, 0, 0, 1, x0, y0);
+ this.ctx.scale(1 / dimx.scale, 1 / dimy.scale);
+ return tmpCanvas.canvas;
+ },
+ getSizeAndScale: function TilingPattern_getSizeAndScale(step, realOutputSize, scale) {
+ step = Math.abs(step);
+ const maxSize = Math.max(MAX_PATTERN_SIZE, realOutputSize);
+ let size = Math.ceil(step * scale);
+
+ if (size >= maxSize) {
+ size = maxSize;
+ } else {
+ scale = size / step;
+ }
+
+ return {
+ scale,
+ size
+ };
+ },
+ clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
+ if (Array.isArray(bbox) && bbox.length === 4) {
+ const bboxWidth = x1 - x0;
+ const bboxHeight = y1 - y0;
+ graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
+ graphics.clip();
+ graphics.endPath();
+ }
+ },
+ setFillAndStrokeStyleToContext: function 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.Util.makeHexColor(color[0], color[1], color[2]);
+
+ context.fillStyle = cssColor;
+ context.strokeStyle = cssColor;
+ current.fillColor = cssColor;
+ current.strokeColor = cssColor;
+ break;
+
+ default:
+ throw new _util.FormatError(`Unsupported paint type: ${paintType}`);
+ }
+ },
+ getPattern: function TilingPattern_getPattern(ctx, owner) {
+ ctx = this.ctx;
+ ctx.setTransform.apply(ctx, this.baseTransform);
+ ctx.transform.apply(ctx, this.matrix);
+ const temporaryPatternCanvas = this.createPatternCanvas(owner);
+ return ctx.createPattern(temporaryPatternCanvas, "repeat");
+ }
+ };
+ return TilingPattern;
+}();
+
+exports.TilingPattern = TilingPattern;
+
+/***/ }),
+/* 12 */
+/***/ ((__unused_webpack_module, exports) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.GlobalWorkerOptions = void 0;
+const GlobalWorkerOptions = Object.create(null);
+exports.GlobalWorkerOptions = GlobalWorkerOptions;
+GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort;
+GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? "" : GlobalWorkerOptions.workerSrc;
+
+/***/ }),
+/* 13 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.MessageHandler = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+const CallbackKind = {
+ UNKNOWN: 0,
+ DATA: 1,
+ ERROR: 2
+};
+const StreamKind = {
+ UNKNOWN: 0,
+ CANCEL: 1,
+ CANCEL_COMPLETE: 2,
+ CLOSE: 3,
+ ENQUEUE: 4,
+ ERROR: 5,
+ PULL: 6,
+ PULL_COMPLETE: 7,
+ START_COMPLETE: 8
+};
+
+function wrapReason(reason) {
+ if (typeof reason !== "object" || reason === null) {
+ return reason;
+ }
+
+ switch (reason.name) {
+ case "AbortException":
+ return new _util.AbortException(reason.message);
+
+ case "MissingPDFException":
+ return new _util.MissingPDFException(reason.message);
+
+ case "UnexpectedResponseException":
+ return new _util.UnexpectedResponseException(reason.message, reason.status);
+
+ case "UnknownErrorException":
+ return new _util.UnknownErrorException(reason.message, reason.details);
+
+ default:
+ return new _util.UnknownErrorException(reason.message, reason.toString());
+ }
+}
+
+class MessageHandler {
+ constructor(sourceName, targetName, comObj) {
+ this.sourceName = sourceName;
+ this.targetName = targetName;
+ this.comObj = comObj;
+ this.callbackId = 1;
+ this.streamId = 1;
+ this.postMessageTransfers = true;
+ this.streamSinks = Object.create(null);
+ this.streamControllers = Object.create(null);
+ this.callbackCapabilities = Object.create(null);
+ this.actionHandler = Object.create(null);
+
+ this._onComObjOnMessage = event => {
+ const data = event.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: ${data.action}`);
+ }
+
+ if (data.callbackId) {
+ const cbSourceName = this.sourceName;
+ const cbTargetName = data.sourceName;
+ new Promise(function (resolve) {
+ resolve(action(data.data));
+ }).then(function (result) {
+ comObj.postMessage({
+ sourceName: cbSourceName,
+ targetName: cbTargetName,
+ callback: CallbackKind.DATA,
+ callbackId: data.callbackId,
+ data: result
+ });
+ }, function (reason) {
+ comObj.postMessage({
+ sourceName: cbSourceName,
+ targetName: cbTargetName,
+ callback: CallbackKind.ERROR,
+ callbackId: data.callbackId,
+ reason: wrapReason(reason)
+ });
+ });
+ return;
+ }
+
+ if (data.streamId) {
+ this._createStreamSink(data);
+
+ return;
+ }
+
+ action(data.data);
+ };
+
+ comObj.addEventListener("message", this._onComObjOnMessage);
+ }
+
+ on(actionName, handler) {
+ const ah = this.actionHandler;
+
+ if (ah[actionName]) {
+ throw new Error(`There is already an actionName called "${actionName}"`);
+ }
+
+ ah[actionName] = handler;
+ }
+
+ send(actionName, data, transfers) {
+ this._postMessage({
+ sourceName: this.sourceName,
+ targetName: this.targetName,
+ action: actionName,
+ data
+ }, transfers);
+ }
+
+ sendWithPromise(actionName, data, transfers) {
+ const callbackId = this.callbackId++;
+ const capability = (0, _util.createPromiseCapability)();
+ this.callbackCapabilities[callbackId] = capability;
+
+ try {
+ this._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++;
+ const sourceName = this.sourceName;
+ const targetName = this.targetName;
+ const comObj = this.comObj;
+ return new ReadableStream({
+ start: controller => {
+ const startCapability = (0, _util.createPromiseCapability)();
+ this.streamControllers[streamId] = {
+ controller,
+ startCall: startCapability,
+ pullCall: null,
+ cancelCall: null,
+ isClosed: false
+ };
+
+ this._postMessage({
+ sourceName,
+ targetName,
+ action: actionName,
+ streamId,
+ data,
+ desiredSize: controller.desiredSize
+ }, transfers);
+
+ return startCapability.promise;
+ },
+ pull: controller => {
+ const pullCapability = (0, _util.createPromiseCapability)();
+ this.streamControllers[streamId].pullCall = pullCapability;
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.PULL,
+ streamId,
+ desiredSize: controller.desiredSize
+ });
+ return pullCapability.promise;
+ },
+ cancel: reason => {
+ (0, _util.assert)(reason instanceof Error, "cancel must have a valid reason");
+ const cancelCapability = (0, _util.createPromiseCapability)();
+ 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 self = this;
+ const action = this.actionHandler[data.action];
+ const streamId = data.streamId;
+ const sourceName = this.sourceName;
+ const targetName = data.sourceName;
+ const comObj = this.comObj;
+ 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 = (0, _util.createPromiseCapability)();
+ this.ready = this.sinkCapability.promise;
+ }
+
+ self._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) {
+ (0, _util.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: (0, _util.createPromiseCapability)(),
+ onPull: null,
+ onCancel: null,
+ isCancelled: false,
+ desiredSize: data.desiredSize,
+ ready: null
+ };
+ streamSink.sinkCapability.resolve();
+ streamSink.ready = streamSink.sinkCapability.promise;
+ this.streamSinks[streamId] = streamSink;
+ new Promise(function (resolve) {
+ resolve(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;
+ const sourceName = this.sourceName;
+ const targetName = data.sourceName;
+ const comObj = this.comObj;
+
+ switch (data.stream) {
+ case StreamKind.START_COMPLETE:
+ if (data.success) {
+ this.streamControllers[streamId].startCall.resolve();
+ } else {
+ this.streamControllers[streamId].startCall.reject(wrapReason(data.reason));
+ }
+
+ break;
+
+ case StreamKind.PULL_COMPLETE:
+ if (data.success) {
+ this.streamControllers[streamId].pullCall.resolve();
+ } else {
+ this.streamControllers[streamId].pullCall.reject(wrapReason(data.reason));
+ }
+
+ break;
+
+ case StreamKind.PULL:
+ if (!this.streamSinks[streamId]) {
+ comObj.postMessage({
+ sourceName,
+ targetName,
+ stream: StreamKind.PULL_COMPLETE,
+ streamId,
+ success: true
+ });
+ break;
+ }
+
+ if (this.streamSinks[streamId].desiredSize <= 0 && data.desiredSize > 0) {
+ this.streamSinks[streamId].sinkCapability.resolve();
+ }
+
+ this.streamSinks[streamId].desiredSize = data.desiredSize;
+ const {
+ onPull
+ } = this.streamSinks[data.streamId];
+ new Promise(function (resolve) {
+ resolve(onPull && onPull());
+ }).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:
+ (0, _util.assert)(this.streamControllers[streamId], "enqueue should have stream controller");
+
+ if (this.streamControllers[streamId].isClosed) {
+ break;
+ }
+
+ this.streamControllers[streamId].controller.enqueue(data.chunk);
+ break;
+
+ case StreamKind.CLOSE:
+ (0, _util.assert)(this.streamControllers[streamId], "close should have stream controller");
+
+ if (this.streamControllers[streamId].isClosed) {
+ break;
+ }
+
+ this.streamControllers[streamId].isClosed = true;
+ this.streamControllers[streamId].controller.close();
+
+ this._deleteStreamController(streamId);
+
+ break;
+
+ case StreamKind.ERROR:
+ (0, _util.assert)(this.streamControllers[streamId], "error should have stream controller");
+ this.streamControllers[streamId].controller.error(wrapReason(data.reason));
+
+ this._deleteStreamController(streamId);
+
+ break;
+
+ case StreamKind.CANCEL_COMPLETE:
+ if (data.success) {
+ this.streamControllers[streamId].cancelCall.resolve();
+ } else {
+ this.streamControllers[streamId].cancelCall.reject(wrapReason(data.reason));
+ }
+
+ this._deleteStreamController(streamId);
+
+ break;
+
+ case StreamKind.CANCEL:
+ if (!this.streamSinks[streamId]) {
+ break;
+ }
+
+ const {
+ onCancel
+ } = this.streamSinks[data.streamId];
+ new Promise(function (resolve) {
+ resolve(onCancel && onCancel(wrapReason(data.reason)));
+ }).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)
+ });
+ });
+ this.streamSinks[streamId].sinkCapability.reject(wrapReason(data.reason));
+ this.streamSinks[streamId].isCancelled = true;
+ delete this.streamSinks[streamId];
+ break;
+
+ default:
+ throw new Error("Unexpected stream case");
+ }
+ }
+
+ async _deleteStreamController(streamId) {
+ await Promise.allSettled([this.streamControllers[streamId].startCall, this.streamControllers[streamId].pullCall, this.streamControllers[streamId].cancelCall].map(function (capability) {
+ return capability && capability.promise;
+ }));
+ delete this.streamControllers[streamId];
+ }
+
+ _postMessage(message, transfers) {
+ if (transfers && this.postMessageTransfers) {
+ this.comObj.postMessage(message, transfers);
+ } else {
+ this.comObj.postMessage(message);
+ }
+ }
+
+ destroy() {
+ this.comObj.removeEventListener("message", this._onComObjOnMessage);
+ }
+
+}
+
+exports.MessageHandler = MessageHandler;
+
+/***/ }),
+/* 14 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.Metadata = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _xml_parser = __w_pdfjs_require__(15);
+
+class Metadata {
+ constructor(data) {
+ (0, _util.assert)(typeof data === "string", "Metadata: input is not a string");
+ data = this._repair(data);
+ const parser = new _xml_parser.SimpleXMLParser();
+ const xmlDocument = parser.parseFromString(data);
+ this._metadataMap = new Map();
+
+ if (xmlDocument) {
+ this._parse(xmlDocument);
+ }
+ }
+
+ _repair(data) {
+ return data.replace(/^[^<]+/, "").replace(/>\\376\\377([^<]+)/g, function (all, codes) {
+ const bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
+ return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
+ }).replace(/&(amp|apos|gt|lt|quot);/g, function (str, name) {
+ switch (name) {
+ case "amp":
+ return "&";
+
+ case "apos":
+ return "'";
+
+ case "gt":
+ return ">";
+
+ case "lt":
+ return "<";
+
+ case "quot":
+ return '"';
+ }
+
+ throw new Error(`_repair: ${name} isn't defined.`);
+ });
+ let chars = "";
+
+ for (let i = 0, ii = bytes.length; i < ii; i += 2) {
+ const code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
+
+ if (code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38) {
+ chars += String.fromCharCode(code);
+ } else {
+ chars += "&#x" + (0x10000 + code).toString(16).substring(1) + ";";
+ }
+ }
+
+ return ">" + chars;
+ });
+ }
+
+ _parse(xmlDocument) {
+ let rdf = xmlDocument.documentElement;
+
+ if (rdf.nodeName.toLowerCase() !== "rdf:rdf") {
+ rdf = rdf.firstChild;
+
+ while (rdf && rdf.nodeName.toLowerCase() !== "rdf:rdf") {
+ rdf = rdf.nextSibling;
+ }
+ }
+
+ const nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
+
+ if (!rdf || nodeName !== "rdf:rdf" || !rdf.hasChildNodes()) {
+ return;
+ }
+
+ const children = rdf.childNodes;
+
+ for (let i = 0, ii = children.length; i < ii; i++) {
+ const desc = children[i];
+
+ if (desc.nodeName.toLowerCase() !== "rdf:description") {
+ continue;
+ }
+
+ for (let j = 0, jj = desc.childNodes.length; j < jj; j++) {
+ if (desc.childNodes[j].nodeName.toLowerCase() !== "#text") {
+ const entry = desc.childNodes[j];
+ const name = entry.nodeName.toLowerCase();
+
+ this._metadataMap.set(name, entry.textContent.trim());
+ }
+ }
+ }
+ }
+
+ get(name) {
+ return this._metadataMap.has(name) ? this._metadataMap.get(name) : null;
+ }
+
+ getAll() {
+ return (0, _util.objectFromEntries)(this._metadataMap);
+ }
+
+ has(name) {
+ return this._metadataMap.has(name);
+ }
+
+}
+
+exports.Metadata = Metadata;
+
+/***/ }),
+/* 15 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.SimpleXMLParser = exports.SimpleDOMNode = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+const XMLParserErrorCode = {
+ NoError: 0,
+ EndOfDocument: -1,
+ UnterminatedCdat: -2,
+ UnterminatedXmlDeclaration: -3,
+ UnterminatedDoctypeDeclaration: -4,
+ UnterminatedComment: -5,
+ MalformedElement: -6,
+ OutOfMemory: -7,
+ UnterminatedAttributeValue: -8,
+ UnterminatedElement: -9,
+ ElementNeverBegun: -10
+};
+
+function isWhitespace(s, index) {
+ const ch = s[index];
+ return ch === " " || ch === "\n" || ch === "\r" || ch === "\t";
+}
+
+function isWhitespaceString(s) {
+ for (let i = 0, ii = s.length; i < ii; i++) {
+ if (!isWhitespace(s, i)) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+class XMLParserBase {
+ _resolveEntities(s) {
+ return s.replace(/&([^;]+);/g, (all, entity) => {
+ if (entity.substring(0, 2) === "#x") {
+ return String.fromCodePoint(parseInt(entity.substring(2), 16));
+ } else if (entity.substring(0, 1) === "#") {
+ return String.fromCodePoint(parseInt(entity.substring(1), 10));
+ }
+
+ switch (entity) {
+ case "lt":
+ return "<";
+
+ case "gt":
+ return ">";
+
+ case "amp":
+ return "&";
+
+ case "quot":
+ return '"';
+ }
+
+ return this.onResolveEntity(entity);
+ });
+ }
+
+ _parseContent(s, start) {
+ const attributes = [];
+ let pos = start;
+
+ function skipWs() {
+ while (pos < s.length && isWhitespace(s, pos)) {
+ ++pos;
+ }
+ }
+
+ while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") {
+ ++pos;
+ }
+
+ const name = s.substring(start, pos);
+ skipWs();
+
+ while (pos < s.length && s[pos] !== ">" && s[pos] !== "/" && s[pos] !== "?") {
+ skipWs();
+ let attrName = "",
+ attrValue = "";
+
+ while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== "=") {
+ attrName += s[pos];
+ ++pos;
+ }
+
+ skipWs();
+
+ if (s[pos] !== "=") {
+ return null;
+ }
+
+ ++pos;
+ skipWs();
+ const attrEndChar = s[pos];
+
+ if (attrEndChar !== '"' && attrEndChar !== "'") {
+ return null;
+ }
+
+ const attrEndIndex = s.indexOf(attrEndChar, ++pos);
+
+ if (attrEndIndex < 0) {
+ return null;
+ }
+
+ attrValue = s.substring(pos, attrEndIndex);
+ attributes.push({
+ name: attrName,
+ value: this._resolveEntities(attrValue)
+ });
+ pos = attrEndIndex + 1;
+ skipWs();
+ }
+
+ return {
+ name,
+ attributes,
+ parsed: pos - start
+ };
+ }
+
+ _parseProcessingInstruction(s, start) {
+ let pos = start;
+
+ function skipWs() {
+ while (pos < s.length && isWhitespace(s, pos)) {
+ ++pos;
+ }
+ }
+
+ while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") {
+ ++pos;
+ }
+
+ const name = s.substring(start, pos);
+ skipWs();
+ const attrStart = pos;
+
+ while (pos < s.length && (s[pos] !== "?" || s[pos + 1] !== ">")) {
+ ++pos;
+ }
+
+ const value = s.substring(attrStart, pos);
+ return {
+ name,
+ value,
+ parsed: pos - start
+ };
+ }
+
+ parseXml(s) {
+ let i = 0;
+
+ while (i < s.length) {
+ const ch = s[i];
+ let j = i;
+
+ if (ch === "<") {
+ ++j;
+ const ch2 = s[j];
+ let q;
+
+ switch (ch2) {
+ case "/":
+ ++j;
+ q = s.indexOf(">", j);
+
+ if (q < 0) {
+ this.onError(XMLParserErrorCode.UnterminatedElement);
+ return;
+ }
+
+ this.onEndElement(s.substring(j, q));
+ j = q + 1;
+ break;
+
+ case "?":
+ ++j;
+
+ const pi = this._parseProcessingInstruction(s, j);
+
+ if (s.substring(j + pi.parsed, j + pi.parsed + 2) !== "?>") {
+ this.onError(XMLParserErrorCode.UnterminatedXmlDeclaration);
+ return;
+ }
+
+ this.onPi(pi.name, pi.value);
+ j += pi.parsed + 2;
+ break;
+
+ case "!":
+ if (s.substring(j + 1, j + 3) === "--") {
+ q = s.indexOf("-->", j + 3);
+
+ if (q < 0) {
+ this.onError(XMLParserErrorCode.UnterminatedComment);
+ return;
+ }
+
+ this.onComment(s.substring(j + 3, q));
+ j = q + 3;
+ } else if (s.substring(j + 1, j + 8) === "[CDATA[") {
+ q = s.indexOf("]]>", j + 8);
+
+ if (q < 0) {
+ this.onError(XMLParserErrorCode.UnterminatedCdat);
+ return;
+ }
+
+ this.onCdata(s.substring(j + 8, q));
+ j = q + 3;
+ } else if (s.substring(j + 1, j + 8) === "DOCTYPE") {
+ const q2 = s.indexOf("[", j + 8);
+ let complexDoctype = false;
+ q = s.indexOf(">", j + 8);
+
+ if (q < 0) {
+ this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
+ return;
+ }
+
+ if (q2 > 0 && q > q2) {
+ q = s.indexOf("]>", j + 8);
+
+ if (q < 0) {
+ this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
+ return;
+ }
+
+ complexDoctype = true;
+ }
+
+ const doctypeContent = s.substring(j + 8, q + (complexDoctype ? 1 : 0));
+ this.onDoctype(doctypeContent);
+ j = q + (complexDoctype ? 2 : 1);
+ } else {
+ this.onError(XMLParserErrorCode.MalformedElement);
+ return;
+ }
+
+ break;
+
+ default:
+ const content = this._parseContent(s, j);
+
+ if (content === null) {
+ this.onError(XMLParserErrorCode.MalformedElement);
+ return;
+ }
+
+ let isClosed = false;
+
+ if (s.substring(j + content.parsed, j + content.parsed + 2) === "/>") {
+ isClosed = true;
+ } else if (s.substring(j + content.parsed, j + content.parsed + 1) !== ">") {
+ this.onError(XMLParserErrorCode.UnterminatedElement);
+ return;
+ }
+
+ this.onBeginElement(content.name, content.attributes, isClosed);
+ j += content.parsed + (isClosed ? 2 : 1);
+ break;
+ }
+ } else {
+ while (j < s.length && s[j] !== "<") {
+ j++;
+ }
+
+ const text = s.substring(i, j);
+ this.onText(this._resolveEntities(text));
+ }
+
+ i = j;
+ }
+ }
+
+ onResolveEntity(name) {
+ return `&${name};`;
+ }
+
+ onPi(name, value) {}
+
+ onComment(text) {}
+
+ onCdata(text) {}
+
+ onDoctype(doctypeContent) {}
+
+ onText(text) {}
+
+ onBeginElement(name, attributes, isEmpty) {}
+
+ onEndElement(name) {}
+
+ onError(code) {}
+
+}
+
+class SimpleDOMNode {
+ constructor(nodeName, nodeValue) {
+ this.nodeName = nodeName;
+ this.nodeValue = nodeValue;
+ Object.defineProperty(this, "parentNode", {
+ value: null,
+ writable: true
+ });
+ }
+
+ get firstChild() {
+ return this.childNodes && this.childNodes[0];
+ }
+
+ get nextSibling() {
+ const childNodes = this.parentNode.childNodes;
+
+ if (!childNodes) {
+ return undefined;
+ }
+
+ const index = childNodes.indexOf(this);
+
+ if (index === -1) {
+ return undefined;
+ }
+
+ return childNodes[index + 1];
+ }
+
+ get textContent() {
+ if (!this.childNodes) {
+ return this.nodeValue || "";
+ }
+
+ return this.childNodes.map(function (child) {
+ return child.textContent;
+ }).join("");
+ }
+
+ hasChildNodes() {
+ return this.childNodes && this.childNodes.length > 0;
+ }
+
+ searchNode(paths, pos) {
+ if (pos >= paths.length) {
+ return this;
+ }
+
+ const component = paths[pos];
+ const stack = [];
+ let node = this;
+
+ while (true) {
+ if (component.name === node.nodeName) {
+ if (component.pos === 0) {
+ const res = node.searchNode(paths, pos + 1);
+
+ if (res !== null) {
+ return res;
+ }
+ } else if (stack.length === 0) {
+ return null;
+ } else {
+ const [parent] = stack.pop();
+ let siblingPos = 0;
+
+ for (const child of parent.childNodes) {
+ if (component.name === child.nodeName) {
+ if (siblingPos === component.pos) {
+ return child.searchNode(paths, pos + 1);
+ }
+
+ siblingPos++;
+ }
+ }
+
+ return node.searchNode(paths, pos + 1);
+ }
+ }
+
+ if (node.childNodes && node.childNodes.length !== 0) {
+ stack.push([node, 0]);
+ node = node.childNodes[0];
+ } else if (stack.length === 0) {
+ return null;
+ } else {
+ while (stack.length !== 0) {
+ const [parent, currentPos] = stack.pop();
+ const newPos = currentPos + 1;
+
+ if (newPos < parent.childNodes.length) {
+ stack.push([parent, newPos]);
+ node = parent.childNodes[newPos];
+ break;
+ }
+ }
+
+ if (stack.length === 0) {
+ return null;
+ }
+ }
+ }
+ }
+
+ dump(buffer) {
+ if (this.nodeName === "#text") {
+ buffer.push((0, _util.encodeToXmlString)(this.nodeValue));
+ return;
+ }
+
+ buffer.push(`<${this.nodeName}`);
+
+ if (this.attributes) {
+ for (const attribute of this.attributes) {
+ buffer.push(` ${attribute.name}="${(0, _util.encodeToXmlString)(attribute.value)}"`);
+ }
+ }
+
+ if (this.hasChildNodes()) {
+ buffer.push(">");
+
+ for (const child of this.childNodes) {
+ child.dump(buffer);
+ }
+
+ buffer.push(`</${this.nodeName}>`);
+ } else if (this.nodeValue) {
+ buffer.push(`>${(0, _util.encodeToXmlString)(this.nodeValue)}</${this.nodeName}>`);
+ } else {
+ buffer.push("/>");
+ }
+ }
+
+}
+
+exports.SimpleDOMNode = SimpleDOMNode;
+
+class SimpleXMLParser extends XMLParserBase {
+ constructor(hasAttributes = false) {
+ super();
+ this._currentFragment = null;
+ this._stack = null;
+ this._errorCode = XMLParserErrorCode.NoError;
+ this._hasAttributes = hasAttributes;
+ }
+
+ parseFromString(data) {
+ this._currentFragment = [];
+ this._stack = [];
+ this._errorCode = XMLParserErrorCode.NoError;
+ this.parseXml(data);
+
+ if (this._errorCode !== XMLParserErrorCode.NoError) {
+ return undefined;
+ }
+
+ const [documentElement] = this._currentFragment;
+
+ if (!documentElement) {
+ return undefined;
+ }
+
+ return {
+ documentElement
+ };
+ }
+
+ onResolveEntity(name) {
+ switch (name) {
+ case "apos":
+ return "'";
+ }
+
+ return super.onResolveEntity(name);
+ }
+
+ onText(text) {
+ if (isWhitespaceString(text)) {
+ return;
+ }
+
+ const node = new SimpleDOMNode("#text", text);
+
+ this._currentFragment.push(node);
+ }
+
+ onCdata(text) {
+ const node = new SimpleDOMNode("#text", text);
+
+ this._currentFragment.push(node);
+ }
+
+ onBeginElement(name, attributes, isEmpty) {
+ const node = new SimpleDOMNode(name);
+ node.childNodes = [];
+
+ if (this._hasAttributes) {
+ node.attributes = attributes;
+ }
+
+ this._currentFragment.push(node);
+
+ if (isEmpty) {
+ return;
+ }
+
+ this._stack.push(this._currentFragment);
+
+ this._currentFragment = node.childNodes;
+ }
+
+ onEndElement(name) {
+ this._currentFragment = this._stack.pop() || [];
+ const lastElement = this._currentFragment[this._currentFragment.length - 1];
+
+ if (!lastElement) {
+ return;
+ }
+
+ for (let i = 0, ii = lastElement.childNodes.length; i < ii; i++) {
+ lastElement.childNodes[i].parentNode = lastElement;
+ }
+ }
+
+ onError(code) {
+ this._errorCode = code;
+ }
+
+}
+
+exports.SimpleXMLParser = SimpleXMLParser;
+
+/***/ }),
+/* 16 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.OptionalContentConfig = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+class OptionalContentGroup {
+ constructor(name, intent) {
+ this.visible = true;
+ this.name = name;
+ this.intent = intent;
+ }
+
+}
+
+class OptionalContentConfig {
+ constructor(data) {
+ this.name = null;
+ this.creator = null;
+ this._order = null;
+ this._groups = new Map();
+
+ 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(group.name, group.intent));
+ }
+
+ if (data.baseState === "OFF") {
+ for (const group of this._groups) {
+ group.visible = false;
+ }
+ }
+
+ for (const on of data.on) {
+ this._groups.get(on).visible = true;
+ }
+
+ for (const off of data.off) {
+ this._groups.get(off).visible = false;
+ }
+ }
+
+ isVisible(group) {
+ if (group.type === "OCG") {
+ if (!this._groups.has(group.id)) {
+ (0, _util.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) {
+ (0, _util.warn)("Visibility expression not supported yet.");
+ }
+
+ if (!group.policy || group.policy === "AnyOn") {
+ for (const id of group.ids) {
+ if (!this._groups.has(id)) {
+ (0, _util.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)) {
+ (0, _util.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)) {
+ (0, _util.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)) {
+ (0, _util.warn)(`Optional content group not found: ${id}`);
+ return true;
+ }
+
+ if (this._groups.get(id).visible) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ (0, _util.warn)(`Unknown optional content policy ${group.policy}.`);
+ return true;
+ }
+
+ (0, _util.warn)(`Unknown group type ${group.type}.`);
+ return true;
+ }
+
+ setVisibility(id, visible = true) {
+ if (!this._groups.has(id)) {
+ (0, _util.warn)(`Optional content group not found: ${id}`);
+ return;
+ }
+
+ this._groups.get(id).visible = !!visible;
+ }
+
+ getOrder() {
+ if (!this._groups.size) {
+ return null;
+ }
+
+ if (this._order) {
+ return this._order.slice();
+ }
+
+ return Array.from(this._groups.keys());
+ }
+
+ getGroups() {
+ if (!this._groups.size) {
+ return null;
+ }
+
+ return (0, _util.objectFromEntries)(this._groups);
+ }
+
+ getGroup(id) {
+ return this._groups.get(id) || null;
+ }
+
+}
+
+exports.OptionalContentConfig = OptionalContentConfig;
+
+/***/ }),
+/* 17 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.PDFDataTransportStream = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+class PDFDataTransportStream {
+ constructor(params, pdfDataRangeTransport) {
+ (0, _util.assert)(pdfDataRangeTransport, 'PDFDataTransportStream - missing required "pdfDataRangeTransport" argument.');
+ this._queuedChunks = [];
+ this._progressiveDone = params.progressiveDone || false;
+ const initialData = params.initialData;
+
+ if (initialData?.length > 0) {
+ const buffer = new Uint8Array(initialData).buffer;
+
+ this._queuedChunks.push(buffer);
+ }
+
+ this._pdfDataRangeTransport = pdfDataRangeTransport;
+ this._isStreamingSupported = !params.disableStream;
+ this._isRangeSupported = !params.disableRange;
+ this._contentLength = params.length;
+ this._fullRequestReader = null;
+ this._rangeReaders = [];
+
+ this._pdfDataRangeTransport.addRangeListener((begin, chunk) => {
+ this._onReceiveData({
+ begin,
+ chunk
+ });
+ });
+
+ this._pdfDataRangeTransport.addProgressListener((loaded, total) => {
+ this._onProgress({
+ loaded,
+ total
+ });
+ });
+
+ this._pdfDataRangeTransport.addProgressiveReadListener(chunk => {
+ this._onReceiveData({
+ chunk
+ });
+ });
+
+ this._pdfDataRangeTransport.addProgressiveDoneListener(() => {
+ this._onProgressiveDone();
+ });
+
+ this._pdfDataRangeTransport.transportReady();
+ }
+
+ _onReceiveData(args) {
+ const buffer = new Uint8Array(args.chunk).buffer;
+
+ if (args.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 !== args.begin) {
+ return false;
+ }
+
+ rangeReader._enqueue(buffer);
+
+ return true;
+ });
+
+ (0, _util.assert)(found, "_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.");
+ }
+ }
+
+ get _progressiveDataLength() {
+ return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
+ }
+
+ _onProgress(evt) {
+ if (evt.total === undefined) {
+ const firstReader = this._rangeReaders[0];
+
+ if (firstReader?.onProgress) {
+ firstReader.onProgress({
+ loaded: evt.loaded
+ });
+ }
+ } else {
+ const fullReader = this._fullRequestReader;
+
+ if (fullReader?.onProgress) {
+ fullReader.onProgress({
+ loaded: evt.loaded,
+ total: evt.total
+ });
+ }
+ }
+ }
+
+ _onProgressiveDone() {
+ if (this._fullRequestReader) {
+ this._fullRequestReader.progressiveDone();
+ }
+
+ this._progressiveDone = true;
+ }
+
+ _removeRangeReader(reader) {
+ const i = this._rangeReaders.indexOf(reader);
+
+ if (i >= 0) {
+ this._rangeReaders.splice(i, 1);
+ }
+ }
+
+ getFullReader() {
+ (0, _util.assert)(!this._fullRequestReader, "PDFDataTransportStream.getFullReader can only be called once.");
+ const queuedChunks = this._queuedChunks;
+ this._queuedChunks = null;
+ return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone);
+ }
+
+ 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) {
+ if (this._fullRequestReader) {
+ this._fullRequestReader.cancel(reason);
+ }
+
+ const readers = this._rangeReaders.slice(0);
+
+ readers.forEach(function (rangeReader) {
+ rangeReader.cancel(reason);
+ });
+
+ this._pdfDataRangeTransport.abort();
+ }
+
+}
+
+exports.PDFDataTransportStream = PDFDataTransportStream;
+
+class PDFDataTransportStreamReader {
+ constructor(stream, queuedChunks, progressiveDone = false) {
+ this._stream = stream;
+ this._done = progressiveDone || false;
+ this._filename = 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 = (0, _util.createPromiseCapability)();
+
+ this._requests.push(requestCapability);
+
+ return requestCapability.promise;
+ }
+
+ cancel(reason) {
+ this._done = true;
+
+ this._requests.forEach(function (requestCapability) {
+ requestCapability.resolve({
+ value: undefined,
+ done: true
+ });
+ });
+
+ this._requests = [];
+ }
+
+ 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
+ });
+
+ this._requests.forEach(function (requestCapability) {
+ requestCapability.resolve({
+ value: undefined,
+ done: true
+ });
+ });
+
+ this._requests = [];
+ }
+
+ 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 = (0, _util.createPromiseCapability)();
+
+ this._requests.push(requestCapability);
+
+ return requestCapability.promise;
+ }
+
+ cancel(reason) {
+ this._done = true;
+
+ this._requests.forEach(function (requestCapability) {
+ requestCapability.resolve({
+ value: undefined,
+ done: true
+ });
+ });
+
+ this._requests = [];
+
+ this._stream._removeRangeReader(this);
+ }
+
+}
+
+/***/ }),
+/* 18 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.WebGLContext = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+class WebGLContext {
+ constructor({
+ enable = false
+ }) {
+ this._enabled = enable === true;
+ }
+
+ get isEnabled() {
+ let enabled = this._enabled;
+
+ if (enabled) {
+ enabled = WebGLUtils.tryInitGL();
+ }
+
+ return (0, _util.shadow)(this, "isEnabled", enabled);
+ }
+
+ composeSMask({
+ layer,
+ mask,
+ properties
+ }) {
+ return WebGLUtils.composeSMask(layer, mask, properties);
+ }
+
+ drawFigures({
+ width,
+ height,
+ backgroundColor,
+ figures,
+ context
+ }) {
+ return WebGLUtils.drawFigures(width, height, backgroundColor, figures, context);
+ }
+
+ clear() {
+ WebGLUtils.cleanup();
+ }
+
+}
+
+exports.WebGLContext = WebGLContext;
+
+const WebGLUtils = function WebGLUtilsClosure() {
+ function loadShader(gl, code, shaderType) {
+ const shader = gl.createShader(shaderType);
+ gl.shaderSource(shader, code);
+ gl.compileShader(shader);
+ const compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
+
+ if (!compiled) {
+ const errorMsg = gl.getShaderInfoLog(shader);
+ throw new Error("Error during shader compilation: " + errorMsg);
+ }
+
+ return shader;
+ }
+
+ function createVertexShader(gl, code) {
+ return loadShader(gl, code, gl.VERTEX_SHADER);
+ }
+
+ function createFragmentShader(gl, code) {
+ return loadShader(gl, code, gl.FRAGMENT_SHADER);
+ }
+
+ function createProgram(gl, shaders) {
+ const program = gl.createProgram();
+
+ for (let i = 0, ii = shaders.length; i < ii; ++i) {
+ gl.attachShader(program, shaders[i]);
+ }
+
+ gl.linkProgram(program);
+ const linked = gl.getProgramParameter(program, gl.LINK_STATUS);
+
+ if (!linked) {
+ const errorMsg = gl.getProgramInfoLog(program);
+ throw new Error("Error during program linking: " + errorMsg);
+ }
+
+ return program;
+ }
+
+ function createTexture(gl, image, textureId) {
+ gl.activeTexture(textureId);
+ const texture = gl.createTexture();
+ gl.bindTexture(gl.TEXTURE_2D, texture);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+ gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
+ return texture;
+ }
+
+ let currentGL, currentCanvas;
+
+ function generateGL() {
+ if (currentGL) {
+ return;
+ }
+
+ currentCanvas = document.createElement("canvas");
+ currentGL = currentCanvas.getContext("webgl", {
+ premultipliedalpha: false
+ });
+ }
+
+ const smaskVertexShaderCode = "\
+ attribute vec2 a_position; \
+ attribute vec2 a_texCoord; \
+ \
+ uniform vec2 u_resolution; \
+ \
+ varying vec2 v_texCoord; \
+ \
+ void main() { \
+ vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \
+ gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
+ \
+ v_texCoord = a_texCoord; \
+ } ";
+ const smaskFragmentShaderCode = "\
+ precision mediump float; \
+ \
+ uniform vec4 u_backdrop; \
+ uniform int u_subtype; \
+ uniform sampler2D u_image; \
+ uniform sampler2D u_mask; \
+ \
+ varying vec2 v_texCoord; \
+ \
+ void main() { \
+ vec4 imageColor = texture2D(u_image, v_texCoord); \
+ vec4 maskColor = texture2D(u_mask, v_texCoord); \
+ if (u_backdrop.a > 0.0) { \
+ maskColor.rgb = maskColor.rgb * maskColor.a + \
+ u_backdrop.rgb * (1.0 - maskColor.a); \
+ } \
+ float lum; \
+ if (u_subtype == 0) { \
+ lum = maskColor.a; \
+ } else { \
+ lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \
+ maskColor.b * 0.11; \
+ } \
+ imageColor.a *= lum; \
+ imageColor.rgb *= imageColor.a; \
+ gl_FragColor = imageColor; \
+ } ";
+ let smaskCache = null;
+
+ function initSmaskGL() {
+ generateGL();
+ const canvas = currentCanvas;
+ currentCanvas = null;
+ const gl = currentGL;
+ currentGL = null;
+ const vertexShader = createVertexShader(gl, smaskVertexShaderCode);
+ const fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);
+ const program = createProgram(gl, [vertexShader, fragmentShader]);
+ gl.useProgram(program);
+ const cache = {};
+ cache.gl = gl;
+ cache.canvas = canvas;
+ cache.resolutionLocation = gl.getUniformLocation(program, "u_resolution");
+ cache.positionLocation = gl.getAttribLocation(program, "a_position");
+ cache.backdropLocation = gl.getUniformLocation(program, "u_backdrop");
+ cache.subtypeLocation = gl.getUniformLocation(program, "u_subtype");
+ const texCoordLocation = gl.getAttribLocation(program, "a_texCoord");
+ const texLayerLocation = gl.getUniformLocation(program, "u_image");
+ const texMaskLocation = gl.getUniformLocation(program, "u_mask");
+ const texCoordBuffer = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
+ gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0]), gl.STATIC_DRAW);
+ gl.enableVertexAttribArray(texCoordLocation);
+ gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);
+ gl.uniform1i(texLayerLocation, 0);
+ gl.uniform1i(texMaskLocation, 1);
+ smaskCache = cache;
+ }
+
+ function composeSMask(layer, mask, properties) {
+ const width = layer.width,
+ height = layer.height;
+
+ if (!smaskCache) {
+ initSmaskGL();
+ }
+
+ const cache = smaskCache,
+ canvas = cache.canvas,
+ gl = cache.gl;
+ canvas.width = width;
+ canvas.height = height;
+ gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+ gl.uniform2f(cache.resolutionLocation, width, height);
+
+ if (properties.backdrop) {
+ gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1);
+ } else {
+ gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);
+ }
+
+ gl.uniform1i(cache.subtypeLocation, properties.subtype === "Luminosity" ? 1 : 0);
+ const texture = createTexture(gl, layer, gl.TEXTURE0);
+ const maskTexture = createTexture(gl, mask, gl.TEXTURE1);
+ const buffer = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
+ gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0, 0, width, 0, 0, height, 0, height, width, 0, width, height]), gl.STATIC_DRAW);
+ gl.enableVertexAttribArray(cache.positionLocation);
+ gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
+ gl.clearColor(0, 0, 0, 0);
+ gl.enable(gl.BLEND);
+ gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
+ gl.clear(gl.COLOR_BUFFER_BIT);
+ gl.drawArrays(gl.TRIANGLES, 0, 6);
+ gl.flush();
+ gl.deleteTexture(texture);
+ gl.deleteTexture(maskTexture);
+ gl.deleteBuffer(buffer);
+ return canvas;
+ }
+
+ const figuresVertexShaderCode = "\
+ attribute vec2 a_position; \
+ attribute vec3 a_color; \
+ \
+ uniform vec2 u_resolution; \
+ uniform vec2 u_scale; \
+ uniform vec2 u_offset; \
+ \
+ varying vec4 v_color; \
+ \
+ void main() { \
+ vec2 position = (a_position + u_offset) * u_scale; \
+ vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \
+ gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
+ \
+ v_color = vec4(a_color / 255.0, 1.0); \
+ } ";
+ const figuresFragmentShaderCode = "\
+ precision mediump float; \
+ \
+ varying vec4 v_color; \
+ \
+ void main() { \
+ gl_FragColor = v_color; \
+ } ";
+ let figuresCache = null;
+
+ function initFiguresGL() {
+ generateGL();
+ const canvas = currentCanvas;
+ currentCanvas = null;
+ const gl = currentGL;
+ currentGL = null;
+ const vertexShader = createVertexShader(gl, figuresVertexShaderCode);
+ const fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);
+ const program = createProgram(gl, [vertexShader, fragmentShader]);
+ gl.useProgram(program);
+ const cache = {};
+ cache.gl = gl;
+ cache.canvas = canvas;
+ cache.resolutionLocation = gl.getUniformLocation(program, "u_resolution");
+ cache.scaleLocation = gl.getUniformLocation(program, "u_scale");
+ cache.offsetLocation = gl.getUniformLocation(program, "u_offset");
+ cache.positionLocation = gl.getAttribLocation(program, "a_position");
+ cache.colorLocation = gl.getAttribLocation(program, "a_color");
+ figuresCache = cache;
+ }
+
+ function drawFigures(width, height, backgroundColor, figures, context) {
+ if (!figuresCache) {
+ initFiguresGL();
+ }
+
+ const cache = figuresCache,
+ canvas = cache.canvas,
+ gl = cache.gl;
+ canvas.width = width;
+ canvas.height = height;
+ gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+ gl.uniform2f(cache.resolutionLocation, width, height);
+ let count = 0;
+
+ for (let i = 0, ii = figures.length; i < ii; i++) {
+ switch (figures[i].type) {
+ case "lattice":
+ const rows = figures[i].coords.length / figures[i].verticesPerRow | 0;
+ count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;
+ break;
+
+ case "triangles":
+ count += figures[i].coords.length;
+ break;
+ }
+ }
+
+ const coords = new Float32Array(count * 2);
+ const colors = new Uint8Array(count * 3);
+ const coordsMap = context.coords,
+ colorsMap = context.colors;
+ let pIndex = 0,
+ cIndex = 0;
+
+ for (let i = 0, ii = figures.length; i < ii; i++) {
+ const figure = figures[i],
+ ps = figure.coords,
+ cs = figure.colors;
+
+ switch (figure.type) {
+ case "lattice":
+ const cols = figure.verticesPerRow;
+ const rows = ps.length / cols | 0;
+
+ for (let row = 1; row < rows; row++) {
+ let offset = row * cols + 1;
+
+ for (let col = 1; col < cols; col++, offset++) {
+ coords[pIndex] = coordsMap[ps[offset - cols - 1]];
+ coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];
+ coords[pIndex + 2] = coordsMap[ps[offset - cols]];
+ coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];
+ coords[pIndex + 4] = coordsMap[ps[offset - 1]];
+ coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];
+ colors[cIndex] = colorsMap[cs[offset - cols - 1]];
+ colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];
+ colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];
+ colors[cIndex + 3] = colorsMap[cs[offset - cols]];
+ colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];
+ colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];
+ colors[cIndex + 6] = colorsMap[cs[offset - 1]];
+ colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];
+ colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];
+ coords[pIndex + 6] = coords[pIndex + 2];
+ coords[pIndex + 7] = coords[pIndex + 3];
+ coords[pIndex + 8] = coords[pIndex + 4];
+ coords[pIndex + 9] = coords[pIndex + 5];
+ coords[pIndex + 10] = coordsMap[ps[offset]];
+ coords[pIndex + 11] = coordsMap[ps[offset] + 1];
+ colors[cIndex + 9] = colors[cIndex + 3];
+ colors[cIndex + 10] = colors[cIndex + 4];
+ colors[cIndex + 11] = colors[cIndex + 5];
+ colors[cIndex + 12] = colors[cIndex + 6];
+ colors[cIndex + 13] = colors[cIndex + 7];
+ colors[cIndex + 14] = colors[cIndex + 8];
+ colors[cIndex + 15] = colorsMap[cs[offset]];
+ colors[cIndex + 16] = colorsMap[cs[offset] + 1];
+ colors[cIndex + 17] = colorsMap[cs[offset] + 2];
+ pIndex += 12;
+ cIndex += 18;
+ }
+ }
+
+ break;
+
+ case "triangles":
+ for (let j = 0, jj = ps.length; j < jj; j++) {
+ coords[pIndex] = coordsMap[ps[j]];
+ coords[pIndex + 1] = coordsMap[ps[j] + 1];
+ colors[cIndex] = colorsMap[cs[j]];
+ colors[cIndex + 1] = colorsMap[cs[j] + 1];
+ colors[cIndex + 2] = colorsMap[cs[j] + 2];
+ pIndex += 2;
+ cIndex += 3;
+ }
+
+ break;
+ }
+ }
+
+ if (backgroundColor) {
+ gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0);
+ } else {
+ gl.clearColor(0, 0, 0, 0);
+ }
+
+ gl.clear(gl.COLOR_BUFFER_BIT);
+ const coordsBuffer = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);
+ gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);
+ gl.enableVertexAttribArray(cache.positionLocation);
+ gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
+ const colorsBuffer = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);
+ gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);
+ gl.enableVertexAttribArray(cache.colorLocation);
+ gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0);
+ gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);
+ gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);
+ gl.drawArrays(gl.TRIANGLES, 0, count);
+ gl.flush();
+ gl.deleteBuffer(coordsBuffer);
+ gl.deleteBuffer(colorsBuffer);
+ return canvas;
+ }
+
+ return {
+ tryInitGL() {
+ try {
+ generateGL();
+ return !!currentGL;
+ } catch (ex) {}
+
+ return false;
+ },
+
+ composeSMask,
+ drawFigures,
+
+ cleanup() {
+ if (smaskCache?.canvas) {
+ smaskCache.canvas.width = 0;
+ smaskCache.canvas.height = 0;
+ }
+
+ if (figuresCache?.canvas) {
+ figuresCache.canvas.width = 0;
+ figuresCache.canvas.height = 0;
+ }
+
+ smaskCache = null;
+ figuresCache = null;
+ }
+
+ };
+}();
+
+/***/ }),
+/* 19 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.AnnotationLayer = void 0;
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _util = __w_pdfjs_require__(2);
+
+var _annotation_storage = __w_pdfjs_require__(8);
+
+var _scripting_utils = __w_pdfjs_require__(20);
+
+class AnnotationElementFactory {
+ static create(parameters) {
+ const subtype = parameters.data.annotationType;
+
+ switch (subtype) {
+ case _util.AnnotationType.LINK:
+ return new LinkAnnotationElement(parameters);
+
+ case _util.AnnotationType.TEXT:
+ return new TextAnnotationElement(parameters);
+
+ case _util.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);
+ }
+
+ return new WidgetAnnotationElement(parameters);
+
+ case _util.AnnotationType.POPUP:
+ return new PopupAnnotationElement(parameters);
+
+ case _util.AnnotationType.FREETEXT:
+ return new FreeTextAnnotationElement(parameters);
+
+ case _util.AnnotationType.LINE:
+ return new LineAnnotationElement(parameters);
+
+ case _util.AnnotationType.SQUARE:
+ return new SquareAnnotationElement(parameters);
+
+ case _util.AnnotationType.CIRCLE:
+ return new CircleAnnotationElement(parameters);
+
+ case _util.AnnotationType.POLYLINE:
+ return new PolylineAnnotationElement(parameters);
+
+ case _util.AnnotationType.CARET:
+ return new CaretAnnotationElement(parameters);
+
+ case _util.AnnotationType.INK:
+ return new InkAnnotationElement(parameters);
+
+ case _util.AnnotationType.POLYGON:
+ return new PolygonAnnotationElement(parameters);
+
+ case _util.AnnotationType.HIGHLIGHT:
+ return new HighlightAnnotationElement(parameters);
+
+ case _util.AnnotationType.UNDERLINE:
+ return new UnderlineAnnotationElement(parameters);
+
+ case _util.AnnotationType.SQUIGGLY:
+ return new SquigglyAnnotationElement(parameters);
+
+ case _util.AnnotationType.STRIKEOUT:
+ return new StrikeOutAnnotationElement(parameters);
+
+ case _util.AnnotationType.STAMP:
+ return new StampAnnotationElement(parameters);
+
+ case _util.AnnotationType.FILEATTACHMENT:
+ return new FileAttachmentAnnotationElement(parameters);
+
+ default:
+ return new AnnotationElement(parameters);
+ }
+ }
+
+}
+
+class AnnotationElement {
+ constructor(parameters, {
+ isRenderable = false,
+ ignoreBorder = false,
+ createQuadrilaterals = false
+ } = {}) {
+ this.isRenderable = isRenderable;
+ this.data = parameters.data;
+ this.layer = parameters.layer;
+ this.page = parameters.page;
+ this.viewport = parameters.viewport;
+ this.linkService = parameters.linkService;
+ this.downloadManager = parameters.downloadManager;
+ this.imageResourcesPath = parameters.imageResourcesPath;
+ this.renderInteractiveForms = parameters.renderInteractiveForms;
+ this.svgFactory = parameters.svgFactory;
+ this.annotationStorage = parameters.annotationStorage;
+ this.enableScripting = parameters.enableScripting;
+ this.hasJSActions = parameters.hasJSActions;
+ this._mouseState = parameters.mouseState;
+
+ if (isRenderable) {
+ this.container = this._createContainer(ignoreBorder);
+ }
+
+ if (createQuadrilaterals) {
+ this.quadrilaterals = this._createQuadrilaterals(ignoreBorder);
+ }
+ }
+
+ _createContainer(ignoreBorder = false) {
+ const data = this.data,
+ page = this.page,
+ viewport = this.viewport;
+ const container = document.createElement("section");
+ let width = data.rect[2] - data.rect[0];
+ let height = data.rect[3] - data.rect[1];
+ container.setAttribute("data-annotation-id", data.id);
+
+ const rect = _util.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]]);
+
+ container.style.transform = `matrix(${viewport.transform.join(",")})`;
+ container.style.transformOrigin = `${-rect[0]}px ${-rect[1]}px`;
+
+ if (!ignoreBorder && data.borderStyle.width > 0) {
+ container.style.borderWidth = `${data.borderStyle.width}px`;
+
+ if (data.borderStyle.style !== _util.AnnotationBorderStyleType.UNDERLINE) {
+ width = width - 2 * data.borderStyle.width;
+ height = height - 2 * data.borderStyle.width;
+ }
+
+ const horizontalRadius = data.borderStyle.horizontalCornerRadius;
+ const verticalRadius = data.borderStyle.verticalCornerRadius;
+
+ if (horizontalRadius > 0 || verticalRadius > 0) {
+ const radius = `${horizontalRadius}px / ${verticalRadius}px`;
+ container.style.borderRadius = radius;
+ }
+
+ switch (data.borderStyle.style) {
+ case _util.AnnotationBorderStyleType.SOLID:
+ container.style.borderStyle = "solid";
+ break;
+
+ case _util.AnnotationBorderStyleType.DASHED:
+ container.style.borderStyle = "dashed";
+ break;
+
+ case _util.AnnotationBorderStyleType.BEVELED:
+ (0, _util.warn)("Unimplemented border style: beveled");
+ break;
+
+ case _util.AnnotationBorderStyleType.INSET:
+ (0, _util.warn)("Unimplemented border style: inset");
+ break;
+
+ case _util.AnnotationBorderStyleType.UNDERLINE:
+ container.style.borderBottomStyle = "solid";
+ break;
+
+ default:
+ break;
+ }
+
+ if (data.color) {
+ container.style.borderColor = _util.Util.makeHexColor(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0);
+ } else {
+ container.style.borderWidth = 0;
+ }
+ }
+
+ container.style.left = `${rect[0]}px`;
+ container.style.top = `${rect[1]}px`;
+ container.style.width = `${width}px`;
+ container.style.height = `${height}px`;
+ return container;
+ }
+
+ _createQuadrilaterals(ignoreBorder = false) {
+ if (!this.data.quadPoints) {
+ return null;
+ }
+
+ const quadrilaterals = [];
+ const savedRect = this.data.rect;
+
+ for (const quadPoint of this.data.quadPoints) {
+ this.data.rect = [quadPoint[2].x, quadPoint[2].y, quadPoint[1].x, quadPoint[1].y];
+ quadrilaterals.push(this._createContainer(ignoreBorder));
+ }
+
+ this.data.rect = savedRect;
+ return quadrilaterals;
+ }
+
+ _createPopup(trigger, data) {
+ let container = this.container;
+
+ if (this.quadrilaterals) {
+ trigger = trigger || this.quadrilaterals;
+ container = this.quadrilaterals[0];
+ }
+
+ if (!trigger) {
+ trigger = document.createElement("div");
+ trigger.style.height = container.style.height;
+ trigger.style.width = container.style.width;
+ container.appendChild(trigger);
+ }
+
+ const popupElement = new PopupElement({
+ container,
+ trigger,
+ color: data.color,
+ title: data.title,
+ modificationDate: data.modificationDate,
+ contents: data.contents,
+ hideWrapper: true
+ });
+ const popup = popupElement.render();
+ popup.style.left = container.style.width;
+ container.appendChild(popup);
+ }
+
+ _renderQuadrilaterals(className) {
+ this.quadrilaterals.forEach(quadrilateral => {
+ quadrilateral.className = className;
+ });
+ return this.quadrilaterals;
+ }
+
+ render() {
+ (0, _util.unreachable)("Abstract method `AnnotationElement.render` called");
+ }
+
+}
+
+class LinkAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.url || parameters.data.dest || parameters.data.action || parameters.data.isTooltipOnly || parameters.data.actions && (parameters.data.actions.Action || parameters.data.actions.MouseUp || parameters.data.actions.MouseDown));
+ super(parameters, {
+ isRenderable,
+ createQuadrilaterals: true
+ });
+ }
+
+ render() {
+ const {
+ data,
+ linkService
+ } = this;
+ const link = document.createElement("a");
+
+ if (data.url) {
+ (0, _display_utils.addLinkAttributes)(link, {
+ url: data.url,
+ target: data.newWindow ? _display_utils.LinkTarget.BLANK : linkService.externalLinkTarget,
+ rel: linkService.externalLinkRel,
+ enabled: linkService.externalLinkEnabled
+ });
+ } else if (data.action) {
+ this._bindNamedAction(link, data.action);
+ } else if (data.dest) {
+ this._bindLink(link, data.dest);
+ } else if (data.actions && (data.actions.Action || data.actions.MouseUp || data.actions.MouseDown) && this.enableScripting && this.hasJSActions) {
+ this._bindJSAction(link, data);
+ } else {
+ this._bindLink(link, "");
+ }
+
+ if (this.quadrilaterals) {
+ return this._renderQuadrilaterals("linkAnnotation").map((quadrilateral, index) => {
+ const linkElement = index === 0 ? link : link.cloneNode();
+ quadrilateral.appendChild(linkElement);
+ return quadrilateral;
+ });
+ }
+
+ this.container.className = "linkAnnotation";
+ this.container.appendChild(link);
+ return this.container;
+ }
+
+ _bindLink(link, destination) {
+ link.href = this.linkService.getDestinationHash(destination);
+
+ link.onclick = () => {
+ if (destination) {
+ this.linkService.goToDestination(destination);
+ }
+
+ return false;
+ };
+
+ if (destination || destination === "") {
+ link.className = "internalLink";
+ }
+ }
+
+ _bindNamedAction(link, action) {
+ link.href = this.linkService.getAnchorUrl("");
+
+ link.onclick = () => {
+ this.linkService.executeNamedAction(action);
+ return false;
+ };
+
+ link.className = "internalLink";
+ }
+
+ _bindJSAction(link, data) {
+ link.href = this.linkService.getAnchorUrl("");
+ const map = new Map([["Action", "onclick"], ["MouseUp", "onmouseup"], ["MouseDown", "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;
+ };
+ }
+
+ link.className = "internalLink";
+ }
+
+}
+
+class TextAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable
+ });
+ }
+
+ render() {
+ this.container.className = "textAnnotation";
+ const image = document.createElement("img");
+ image.style.height = this.container.style.height;
+ image.style.width = this.container.style.width;
+ image.src = this.imageResourcesPath + "annotation-" + this.data.name.toLowerCase() + ".svg";
+ image.alt = "[{{type}} Annotation]";
+ image.dataset.l10nId = "text_annotation_type";
+ image.dataset.l10nArgs = JSON.stringify({
+ type: this.data.name
+ });
+
+ if (!this.data.hasPopup) {
+ this._createPopup(image, this.data);
+ }
+
+ this.container.appendChild(image);
+ return this.container;
+ }
+
+}
+
+class WidgetAnnotationElement extends AnnotationElement {
+ render() {
+ if (this.data.alternativeText) {
+ this.container.title = this.data.alternativeText;
+ }
+
+ return this.container;
+ }
+
+ _getKeyModifier(event) {
+ return navigator.platform.includes("Win") && event.ctrlKey || navigator.platform.includes("Mac") && event.metaKey;
+ }
+
+ _setEventListener(element, baseName, eventName, valueGetter) {
+ if (this.data.actions[eventName.replace(" ", "")] === undefined) {
+ return;
+ }
+
+ 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 => {
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id: this.data.id,
+ name: eventName,
+ value: event.target.checked
+ }
+ });
+ });
+ }
+ }
+
+ _setEventListeners(element, names, getter) {
+ if (!this.data.actions) {
+ return;
+ }
+
+ for (const [baseName, eventName] of names) {
+ this._setEventListener(element, baseName, eventName, getter);
+ }
+ }
+
+}
+
+class TextWidgetAnnotationElement extends WidgetAnnotationElement {
+ constructor(parameters) {
+ const isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
+ super(parameters, {
+ isRenderable
+ });
+ }
+
+ render() {
+ const TEXT_ALIGNMENT = ["left", "center", "right"];
+ const storage = this.annotationStorage;
+ const id = this.data.id;
+ this.container.className = "textWidgetAnnotation";
+ let element = null;
+
+ if (this.renderInteractiveForms) {
+ const textContent = storage.getOrCreateValue(id, {
+ value: this.data.fieldValue
+ }).value;
+ const elementData = {
+ userValue: null,
+ formattedValue: null,
+ beforeInputSelectionRange: null,
+ beforeInputValue: null
+ };
+
+ if (this.data.multiLine) {
+ element = document.createElement("textarea");
+ element.textContent = textContent;
+ } else {
+ element = document.createElement("input");
+ element.type = "text";
+ element.setAttribute("value", textContent);
+ }
+
+ elementData.userValue = textContent;
+ element.setAttribute("id", id);
+ element.addEventListener("input", function (event) {
+ storage.setValue(id, {
+ value: event.target.value
+ });
+ });
+
+ let blurListener = event => {
+ if (elementData.formattedValue) {
+ event.target.value = elementData.formattedValue;
+ }
+
+ event.target.setSelectionRange(0, 0);
+ elementData.beforeInputSelectionRange = null;
+ };
+
+ if (this.enableScripting && this.hasJSActions) {
+ element.addEventListener("focus", event => {
+ if (elementData.userValue) {
+ event.target.value = elementData.userValue;
+ }
+ });
+ element.addEventListener("updatefromsandbox", function (event) {
+ const {
+ detail
+ } = event;
+ const actions = {
+ value() {
+ elementData.userValue = detail.value || "";
+ storage.setValue(id, {
+ value: elementData.userValue.toString()
+ });
+
+ if (!elementData.formattedValue) {
+ event.target.value = elementData.userValue;
+ }
+ },
+
+ valueAsString() {
+ elementData.formattedValue = detail.valueAsString || "";
+
+ if (event.target !== document.activeElement) {
+ event.target.value = elementData.formattedValue;
+ }
+
+ storage.setValue(id, {
+ formattedValue: elementData.formattedValue
+ });
+ },
+
+ focus() {
+ setTimeout(() => event.target.focus({
+ preventScroll: false
+ }), 0);
+ },
+
+ userName() {
+ event.target.title = detail.userName;
+ },
+
+ hidden() {
+ event.target.style.visibility = detail.hidden ? "hidden" : "visible";
+ storage.setValue(id, {
+ hidden: detail.hidden
+ });
+ },
+
+ editable() {
+ event.target.disabled = !detail.editable;
+ },
+
+ selRange() {
+ const [selStart, selEnd] = detail.selRange;
+
+ if (selStart >= 0 && selEnd < event.target.value.length) {
+ event.target.setSelectionRange(selStart, selEnd);
+ }
+ },
+
+ strokeColor() {
+ const color = detail.strokeColor;
+ event.target.style.color = _scripting_utils.ColorConverters[`${color[0]}_HTML`](color.slice(1));
+ }
+
+ };
+ Object.keys(detail).filter(name => name in actions).forEach(name => actions[name]());
+ });
+
+ if (this.data.actions) {
+ element.addEventListener("keydown", event => {
+ elementData.beforeInputValue = event.target.value;
+ let commitKey = -1;
+
+ if (event.key === "Escape") {
+ commitKey = 0;
+ } else if (event.key === "Enter") {
+ commitKey = 2;
+ } else if (event.key === "Tab") {
+ commitKey = 3;
+ }
+
+ if (commitKey === -1) {
+ return;
+ }
+
+ elementData.userValue = event.target.value;
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id,
+ name: "Keystroke",
+ value: event.target.value,
+ willCommit: true,
+ commitKey,
+ selStart: event.target.selectionStart,
+ selEnd: event.target.selectionEnd
+ }
+ });
+ });
+ const _blurListener = blurListener;
+ blurListener = null;
+ element.addEventListener("blur", event => {
+ if (this._mouseState.isDown) {
+ elementData.userValue = event.target.value;
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id,
+ name: "Keystroke",
+ value: event.target.value,
+ willCommit: true,
+ commitKey: 1,
+ selStart: event.target.selectionStart,
+ selEnd: event.target.selectionEnd
+ }
+ });
+ }
+
+ _blurListener(event);
+ });
+ element.addEventListener("mousedown", event => {
+ elementData.beforeInputValue = event.target.value;
+ elementData.beforeInputSelectionRange = null;
+ });
+ element.addEventListener("keyup", event => {
+ if (event.target.selectionStart === event.target.selectionEnd) {
+ elementData.beforeInputSelectionRange = null;
+ }
+ });
+ element.addEventListener("select", event => {
+ elementData.beforeInputSelectionRange = [event.target.selectionStart, event.target.selectionEnd];
+ });
+
+ if ("Keystroke" in this.data.actions) {
+ element.addEventListener("input", event => {
+ let selStart = -1;
+ let selEnd = -1;
+
+ if (elementData.beforeInputSelectionRange) {
+ [selStart, selEnd] = elementData.beforeInputSelectionRange;
+ }
+
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id,
+ name: "Keystroke",
+ value: elementData.beforeInputValue,
+ change: event.data,
+ willCommit: false,
+ selStart,
+ selEnd
+ }
+ });
+ });
+ }
+
+ this._setEventListeners(element, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "MouseUp"]], event => event.target.value);
+ }
+ }
+
+ if (blurListener) {
+ element.addEventListener("blur", blurListener);
+ }
+
+ element.disabled = this.data.readOnly;
+ element.name = this.data.fieldName;
+
+ if (this.data.maxLen !== null) {
+ element.maxLength = this.data.maxLen;
+ }
+
+ if (this.data.comb) {
+ const fieldWidth = this.data.rect[2] - this.data.rect[0];
+ const combWidth = fieldWidth / this.data.maxLen;
+ element.classList.add("comb");
+ element.style.letterSpacing = `calc(${combWidth}px - 1ch)`;
+ }
+ } else {
+ element = document.createElement("div");
+ element.textContent = this.data.fieldValue;
+ element.style.verticalAlign = "middle";
+ element.style.display = "table-cell";
+ let font = null;
+
+ if (this.data.fontRefName && this.page.commonObjs.has(this.data.fontRefName)) {
+ font = this.page.commonObjs.get(this.data.fontRefName);
+ }
+
+ this._setTextStyle(element, font);
+ }
+
+ if (this.data.textAlignment !== null) {
+ element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
+ }
+
+ this.container.appendChild(element);
+ return this.container;
+ }
+
+ _setTextStyle(element, font) {
+ const style = element.style;
+ style.fontSize = `${this.data.fontSize}px`;
+ style.direction = this.data.fontDirection < 0 ? "rtl" : "ltr";
+
+ if (!font) {
+ return;
+ }
+
+ let bold = "normal";
+
+ if (font.black) {
+ bold = "900";
+ } else if (font.bold) {
+ bold = "bold";
+ }
+
+ style.fontWeight = bold;
+ style.fontStyle = font.italic ? "italic" : "normal";
+ const fontFamily = font.loadedName ? `"${font.loadedName}", ` : "";
+ const fallbackName = font.fallbackName || "Helvetica, sans-serif";
+ style.fontFamily = fontFamily + fallbackName;
+ }
+
+}
+
+class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {
+ constructor(parameters) {
+ super(parameters, {
+ isRenderable: parameters.renderInteractiveForms
+ });
+ }
+
+ render() {
+ const storage = this.annotationStorage;
+ const data = this.data;
+ const id = data.id;
+ const value = storage.getOrCreateValue(id, {
+ value: data.fieldValue && data.fieldValue !== "Off"
+ }).value;
+ this.container.className = "buttonWidgetAnnotation checkBox";
+ const element = document.createElement("input");
+ element.disabled = data.readOnly;
+ element.type = "checkbox";
+ element.name = this.data.fieldName;
+
+ if (value) {
+ element.setAttribute("checked", true);
+ }
+
+ element.setAttribute("id", id);
+ element.addEventListener("change", function (event) {
+ const name = event.target.name;
+
+ for (const checkbox of document.getElementsByName(name)) {
+ if (checkbox !== event.target) {
+ checkbox.checked = false;
+ storage.setValue(checkbox.parentNode.getAttribute("data-annotation-id"), {
+ value: false
+ });
+ }
+ }
+
+ storage.setValue(id, {
+ value: event.target.checked
+ });
+ });
+
+ if (this.enableScripting && this.hasJSActions) {
+ element.addEventListener("updatefromsandbox", event => {
+ const {
+ detail
+ } = event;
+ const actions = {
+ value() {
+ event.target.checked = detail.value !== "Off";
+ storage.setValue(id, {
+ value: event.target.checked
+ });
+ },
+
+ focus() {
+ setTimeout(() => event.target.focus({
+ preventScroll: false
+ }), 0);
+ },
+
+ hidden() {
+ event.target.style.visibility = detail.hidden ? "hidden" : "visible";
+ storage.setValue(id, {
+ hidden: detail.hidden
+ });
+ },
+
+ editable() {
+ event.target.disabled = !detail.editable;
+ }
+
+ };
+ Object.keys(detail).filter(name => name in actions).forEach(name => actions[name]());
+ });
+
+ this._setEventListeners(element, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "MouseUp"]], event => event.target.checked);
+ }
+
+ this.container.appendChild(element);
+ return this.container;
+ }
+
+}
+
+class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {
+ constructor(parameters) {
+ super(parameters, {
+ isRenderable: parameters.renderInteractiveForms
+ });
+ }
+
+ render() {
+ this.container.className = "buttonWidgetAnnotation radioButton";
+ const storage = this.annotationStorage;
+ const data = this.data;
+ const id = data.id;
+ const value = storage.getOrCreateValue(id, {
+ value: data.fieldValue === data.buttonValue
+ }).value;
+ const element = document.createElement("input");
+ element.disabled = data.readOnly;
+ element.type = "radio";
+ element.name = data.fieldName;
+
+ if (value) {
+ element.setAttribute("checked", true);
+ }
+
+ element.setAttribute("pdfButtonValue", data.buttonValue);
+ element.setAttribute("id", id);
+ element.addEventListener("change", function (event) {
+ const {
+ target
+ } = event;
+
+ for (const radio of document.getElementsByName(target.name)) {
+ if (radio !== target) {
+ storage.setValue(radio.getAttribute("id"), {
+ value: false
+ });
+ }
+ }
+
+ storage.setValue(id, {
+ value: target.checked
+ });
+ });
+
+ if (this.enableScripting && this.hasJSActions) {
+ element.addEventListener("updatefromsandbox", event => {
+ const {
+ detail
+ } = event;
+ const actions = {
+ value() {
+ const fieldValue = detail.value;
+
+ for (const radio of document.getElementsByName(event.target.name)) {
+ const radioId = radio.getAttribute("id");
+
+ if (fieldValue === radio.getAttribute("pdfButtonValue")) {
+ radio.setAttribute("checked", true);
+ storage.setValue(radioId, {
+ value: true
+ });
+ } else {
+ storage.setValue(radioId, {
+ value: false
+ });
+ }
+ }
+ },
+
+ focus() {
+ setTimeout(() => event.target.focus({
+ preventScroll: false
+ }), 0);
+ },
+
+ hidden() {
+ event.target.style.visibility = detail.hidden ? "hidden" : "visible";
+ storage.setValue(id, {
+ hidden: detail.hidden
+ });
+ },
+
+ editable() {
+ event.target.disabled = !detail.editable;
+ }
+
+ };
+ Object.keys(detail).filter(name => name in actions).forEach(name => actions[name]());
+ });
+
+ this._setEventListeners(element, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "MouseUp"]], event => event.target.checked);
+ }
+
+ this.container.appendChild(element);
+ return this.container;
+ }
+
+}
+
+class PushButtonWidgetAnnotationElement extends LinkAnnotationElement {
+ render() {
+ const container = super.render();
+ container.className = "buttonWidgetAnnotation pushButton";
+
+ if (this.data.alternativeText) {
+ container.title = this.data.alternativeText;
+ }
+
+ return container;
+ }
+
+}
+
+class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {
+ constructor(parameters) {
+ super(parameters, {
+ isRenderable: parameters.renderInteractiveForms
+ });
+ }
+
+ render() {
+ this.container.className = "choiceWidgetAnnotation";
+ const storage = this.annotationStorage;
+ const id = this.data.id;
+ storage.getOrCreateValue(id, {
+ value: this.data.fieldValue.length > 0 ? this.data.fieldValue[0] : undefined
+ });
+ const selectElement = document.createElement("select");
+ selectElement.disabled = this.data.readOnly;
+ selectElement.name = this.data.fieldName;
+ selectElement.setAttribute("id", id);
+
+ if (!this.data.combo) {
+ selectElement.size = this.data.options.length;
+
+ if (this.data.multiSelect) {
+ selectElement.multiple = true;
+ }
+ }
+
+ for (const option of this.data.options) {
+ const optionElement = document.createElement("option");
+ optionElement.textContent = option.displayValue;
+ optionElement.value = option.exportValue;
+
+ if (this.data.fieldValue.includes(option.exportValue)) {
+ optionElement.setAttribute("selected", true);
+ }
+
+ selectElement.appendChild(optionElement);
+ }
+
+ function getValue(event) {
+ const options = event.target.options;
+ return options[options.selectedIndex].value;
+ }
+
+ if (this.enableScripting && this.hasJSActions) {
+ selectElement.addEventListener("updatefromsandbox", event => {
+ const {
+ detail
+ } = event;
+ const actions = {
+ value() {
+ const options = event.target.options;
+ const value = detail.value;
+ const i = options.indexOf(value);
+
+ if (i !== -1) {
+ options.selectedIndex = i;
+ storage.setValue(id, {
+ value
+ });
+ }
+ },
+
+ focus() {
+ setTimeout(() => event.target.focus({
+ preventScroll: false
+ }), 0);
+ },
+
+ hidden() {
+ event.target.style.visibility = detail.hidden ? "hidden" : "visible";
+ storage.setValue(id, {
+ hidden: detail.hidden
+ });
+ },
+
+ editable() {
+ event.target.disabled = !detail.editable;
+ }
+
+ };
+ Object.keys(detail).filter(name => name in actions).forEach(name => actions[name]());
+ });
+ selectElement.addEventListener("input", event => {
+ const value = getValue(event);
+ storage.setValue(id, {
+ value
+ });
+ this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
+ source: this,
+ detail: {
+ id,
+ name: "Keystroke",
+ changeEx: value,
+ willCommit: true,
+ commitKey: 1,
+ keyDown: false
+ }
+ });
+ });
+
+ this._setEventListeners(selectElement, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "MouseUp"]], event => event.target.checked);
+ } else {
+ selectElement.addEventListener("input", function (event) {
+ storage.setValue(id, {
+ value: getValue(event)
+ });
+ });
+ }
+
+ this.container.appendChild(selectElement);
+ return this.container;
+ }
+
+}
+
+class PopupAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable
+ });
+ }
+
+ render() {
+ const IGNORE_TYPES = ["Line", "Square", "Circle", "PolyLine", "Polygon", "Ink"];
+ this.container.className = "popupAnnotation";
+
+ if (IGNORE_TYPES.includes(this.data.parentType)) {
+ return this.container;
+ }
+
+ const selector = `[data-annotation-id="${this.data.parentId}"]`;
+ const parentElements = this.layer.querySelectorAll(selector);
+
+ if (parentElements.length === 0) {
+ return this.container;
+ }
+
+ const popup = new PopupElement({
+ container: this.container,
+ trigger: Array.from(parentElements),
+ color: this.data.color,
+ title: this.data.title,
+ modificationDate: this.data.modificationDate,
+ contents: this.data.contents
+ });
+ const page = this.page;
+
+ const rect = _util.Util.normalizeRect([this.data.parentRect[0], page.view[3] - this.data.parentRect[1] + page.view[1], this.data.parentRect[2], page.view[3] - this.data.parentRect[3] + page.view[1]]);
+
+ const popupLeft = rect[0] + this.data.parentRect[2] - this.data.parentRect[0];
+ const popupTop = rect[1];
+ this.container.style.transformOrigin = `${-popupLeft}px ${-popupTop}px`;
+ this.container.style.left = `${popupLeft}px`;
+ this.container.style.top = `${popupTop}px`;
+ this.container.appendChild(popup.render());
+ return this.container;
+ }
+
+}
+
+class PopupElement {
+ constructor(parameters) {
+ this.container = parameters.container;
+ this.trigger = parameters.trigger;
+ this.color = parameters.color;
+ this.title = parameters.title;
+ this.modificationDate = parameters.modificationDate;
+ this.contents = parameters.contents;
+ this.hideWrapper = parameters.hideWrapper || false;
+ this.pinned = false;
+ }
+
+ render() {
+ const BACKGROUND_ENLIGHT = 0.7;
+ const wrapper = document.createElement("div");
+ wrapper.className = "popupWrapper";
+ this.hideElement = this.hideWrapper ? wrapper : this.container;
+ this.hideElement.setAttribute("hidden", true);
+ const popup = document.createElement("div");
+ popup.className = "popup";
+ const color = this.color;
+
+ if (color) {
+ const r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
+ const g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
+ const b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
+ popup.style.backgroundColor = _util.Util.makeHexColor(r | 0, g | 0, b | 0);
+ }
+
+ const title = document.createElement("h1");
+ title.textContent = this.title;
+ popup.appendChild(title);
+
+ const dateObject = _display_utils.PDFDateString.toDateObject(this.modificationDate);
+
+ if (dateObject) {
+ const modificationDate = document.createElement("span");
+ modificationDate.textContent = "{{date}}, {{time}}";
+ modificationDate.dataset.l10nId = "annotation_date_string";
+ modificationDate.dataset.l10nArgs = JSON.stringify({
+ date: dateObject.toLocaleDateString(),
+ time: dateObject.toLocaleTimeString()
+ });
+ popup.appendChild(modificationDate);
+ }
+
+ const contents = this._formatContents(this.contents);
+
+ popup.appendChild(contents);
+
+ if (!Array.isArray(this.trigger)) {
+ this.trigger = [this.trigger];
+ }
+
+ this.trigger.forEach(element => {
+ element.addEventListener("click", this._toggle.bind(this));
+ element.addEventListener("mouseover", this._show.bind(this, false));
+ element.addEventListener("mouseout", this._hide.bind(this, false));
+ });
+ popup.addEventListener("click", this._hide.bind(this, true));
+ wrapper.appendChild(popup);
+ return wrapper;
+ }
+
+ _formatContents(contents) {
+ const p = document.createElement("p");
+ const lines = contents.split(/(?:\r\n?|\n)/);
+
+ for (let i = 0, ii = lines.length; i < ii; ++i) {
+ const line = lines[i];
+ p.appendChild(document.createTextNode(line));
+
+ if (i < ii - 1) {
+ p.appendChild(document.createElement("br"));
+ }
+ }
+
+ return p;
+ }
+
+ _toggle() {
+ if (this.pinned) {
+ this._hide(true);
+ } else {
+ this._show(true);
+ }
+ }
+
+ _show(pin = false) {
+ if (pin) {
+ this.pinned = true;
+ }
+
+ if (this.hideElement.hasAttribute("hidden")) {
+ this.hideElement.removeAttribute("hidden");
+ this.container.style.zIndex += 1;
+ }
+ }
+
+ _hide(unpin = true) {
+ if (unpin) {
+ this.pinned = false;
+ }
+
+ if (!this.hideElement.hasAttribute("hidden") && !this.pinned) {
+ this.hideElement.setAttribute("hidden", true);
+ this.container.style.zIndex -= 1;
+ }
+ }
+
+}
+
+class FreeTextAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ }
+
+ render() {
+ this.container.className = "freeTextAnnotation";
+
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ return this.container;
+ }
+
+}
+
+class LineAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ }
+
+ render() {
+ this.container.className = "lineAnnotation";
+ const data = this.data;
+ const width = data.rect[2] - data.rect[0];
+ const height = data.rect[3] - data.rect[1];
+ const svg = this.svgFactory.create(width, height);
+ const 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");
+ svg.appendChild(line);
+ this.container.append(svg);
+
+ this._createPopup(line, data);
+
+ return this.container;
+ }
+
+}
+
+class SquareAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ }
+
+ render() {
+ this.container.className = "squareAnnotation";
+ const data = this.data;
+ const width = data.rect[2] - data.rect[0];
+ const height = data.rect[3] - data.rect[1];
+ const svg = this.svgFactory.create(width, height);
+ const borderWidth = data.borderStyle.width;
+ const 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", "none");
+ svg.appendChild(square);
+ this.container.append(svg);
+
+ this._createPopup(square, data);
+
+ return this.container;
+ }
+
+}
+
+class CircleAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ }
+
+ render() {
+ this.container.className = "circleAnnotation";
+ const data = this.data;
+ const width = data.rect[2] - data.rect[0];
+ const height = data.rect[3] - data.rect[1];
+ const svg = this.svgFactory.create(width, height);
+ const borderWidth = data.borderStyle.width;
+ const 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", "none");
+ svg.appendChild(circle);
+ this.container.append(svg);
+
+ this._createPopup(circle, data);
+
+ return this.container;
+ }
+
+}
+
+class PolylineAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ this.containerClassName = "polylineAnnotation";
+ this.svgElementName = "svg:polyline";
+ }
+
+ render() {
+ this.container.className = this.containerClassName;
+ const data = this.data;
+ const width = data.rect[2] - data.rect[0];
+ const height = data.rect[3] - data.rect[1];
+ const svg = this.svgFactory.create(width, height);
+ let points = [];
+
+ for (const coordinate of data.vertices) {
+ const x = coordinate.x - data.rect[0];
+ const y = data.rect[3] - coordinate.y;
+ points.push(x + "," + y);
+ }
+
+ points = points.join(" ");
+ const polyline = this.svgFactory.createElement(this.svgElementName);
+ polyline.setAttribute("points", points);
+ polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
+ polyline.setAttribute("stroke", "transparent");
+ polyline.setAttribute("fill", "none");
+ svg.appendChild(polyline);
+ this.container.append(svg);
+
+ this._createPopup(polyline, data);
+
+ return this.container;
+ }
+
+}
+
+class PolygonAnnotationElement extends PolylineAnnotationElement {
+ constructor(parameters) {
+ super(parameters);
+ this.containerClassName = "polygonAnnotation";
+ this.svgElementName = "svg:polygon";
+ }
+
+}
+
+class CaretAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ }
+
+ render() {
+ this.container.className = "caretAnnotation";
+
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ return this.container;
+ }
+
+}
+
+class InkAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ this.containerClassName = "inkAnnotation";
+ this.svgElementName = "svg:polyline";
+ }
+
+ render() {
+ this.container.className = this.containerClassName;
+ const data = this.data;
+ const width = data.rect[2] - data.rect[0];
+ const height = data.rect[3] - data.rect[1];
+ const svg = this.svgFactory.create(width, height);
+
+ for (const inkList of data.inkLists) {
+ let points = [];
+
+ for (const coordinate of inkList) {
+ const x = coordinate.x - data.rect[0];
+ const y = data.rect[3] - coordinate.y;
+ points.push(`${x},${y}`);
+ }
+
+ points = points.join(" ");
+ const polyline = this.svgFactory.createElement(this.svgElementName);
+ polyline.setAttribute("points", points);
+ polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
+ polyline.setAttribute("stroke", "transparent");
+ polyline.setAttribute("fill", "none");
+
+ this._createPopup(polyline, data);
+
+ svg.appendChild(polyline);
+ }
+
+ this.container.append(svg);
+ return this.container;
+ }
+
+}
+
+class HighlightAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true,
+ createQuadrilaterals: true
+ });
+ }
+
+ render() {
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ if (this.quadrilaterals) {
+ return this._renderQuadrilaterals("highlightAnnotation");
+ }
+
+ this.container.className = "highlightAnnotation";
+ return this.container;
+ }
+
+}
+
+class UnderlineAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true,
+ createQuadrilaterals: true
+ });
+ }
+
+ render() {
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ if (this.quadrilaterals) {
+ return this._renderQuadrilaterals("underlineAnnotation");
+ }
+
+ this.container.className = "underlineAnnotation";
+ return this.container;
+ }
+
+}
+
+class SquigglyAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true,
+ createQuadrilaterals: true
+ });
+ }
+
+ render() {
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ if (this.quadrilaterals) {
+ return this._renderQuadrilaterals("squigglyAnnotation");
+ }
+
+ this.container.className = "squigglyAnnotation";
+ return this.container;
+ }
+
+}
+
+class StrikeOutAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true,
+ createQuadrilaterals: true
+ });
+ }
+
+ render() {
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ if (this.quadrilaterals) {
+ return this._renderQuadrilaterals("strikeoutAnnotation");
+ }
+
+ this.container.className = "strikeoutAnnotation";
+ return this.container;
+ }
+
+}
+
+class StampAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+ super(parameters, {
+ isRenderable,
+ ignoreBorder: true
+ });
+ }
+
+ render() {
+ this.container.className = "stampAnnotation";
+
+ if (!this.data.hasPopup) {
+ this._createPopup(null, this.data);
+ }
+
+ return this.container;
+ }
+
+}
+
+class FileAttachmentAnnotationElement extends AnnotationElement {
+ constructor(parameters) {
+ super(parameters, {
+ isRenderable: true
+ });
+ const {
+ filename,
+ content
+ } = this.data.file;
+ this.filename = (0, _display_utils.getFilenameFromUrl)(filename);
+ this.content = content;
+ this.linkService.eventBus?.dispatch("fileattachmentannotation", {
+ source: this,
+ id: (0, _util.stringToPDFString)(filename),
+ filename,
+ content
+ });
+ }
+
+ render() {
+ this.container.className = "fileAttachmentAnnotation";
+ const trigger = document.createElement("div");
+ trigger.style.height = this.container.style.height;
+ trigger.style.width = this.container.style.width;
+ trigger.addEventListener("dblclick", this._download.bind(this));
+
+ if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
+ this._createPopup(trigger, this.data);
+ }
+
+ this.container.appendChild(trigger);
+ return this.container;
+ }
+
+ _download() {
+ if (!this.downloadManager) {
+ (0, _util.warn)("Download cannot be started due to unavailable download manager");
+ return;
+ }
+
+ this.downloadManager.downloadData(this.content, this.filename, "");
+ }
+
+}
+
+class AnnotationLayer {
+ static render(parameters) {
+ const sortedAnnotations = [],
+ popupAnnotations = [];
+
+ for (const data of parameters.annotations) {
+ if (!data) {
+ continue;
+ }
+
+ if (data.annotationType === _util.AnnotationType.POPUP) {
+ popupAnnotations.push(data);
+ continue;
+ }
+
+ sortedAnnotations.push(data);
+ }
+
+ if (popupAnnotations.length) {
+ sortedAnnotations.push(...popupAnnotations);
+ }
+
+ for (const data of sortedAnnotations) {
+ const element = AnnotationElementFactory.create({
+ data,
+ layer: parameters.div,
+ page: parameters.page,
+ viewport: parameters.viewport,
+ linkService: parameters.linkService,
+ downloadManager: parameters.downloadManager,
+ imageResourcesPath: parameters.imageResourcesPath || "",
+ renderInteractiveForms: typeof parameters.renderInteractiveForms === "boolean" ? parameters.renderInteractiveForms : true,
+ svgFactory: new _display_utils.DOMSVGFactory(),
+ annotationStorage: parameters.annotationStorage || new _annotation_storage.AnnotationStorage(),
+ enableScripting: parameters.enableScripting,
+ hasJSActions: parameters.hasJSActions,
+ mouseState: parameters.mouseState || {
+ isDown: false
+ }
+ });
+
+ if (element.isRenderable) {
+ const rendered = element.render();
+
+ if (data.hidden) {
+ rendered.style.visibility = "hidden";
+ }
+
+ if (Array.isArray(rendered)) {
+ for (const renderedElement of rendered) {
+ parameters.div.appendChild(renderedElement);
+ }
+ } else {
+ if (element instanceof PopupAnnotationElement) {
+ parameters.div.prepend(rendered);
+ } else {
+ parameters.div.appendChild(rendered);
+ }
+ }
+ }
+ }
+ }
+
+ static update(parameters) {
+ const transform = `matrix(${parameters.viewport.transform.join(",")})`;
+
+ for (const data of parameters.annotations) {
+ const elements = parameters.div.querySelectorAll(`[data-annotation-id="${data.id}"]`);
+
+ if (elements) {
+ elements.forEach(element => {
+ element.style.transform = transform;
+ });
+ }
+ }
+
+ parameters.div.removeAttribute("hidden");
+ }
+
+}
+
+exports.AnnotationLayer = AnnotationLayer;
+
+/***/ }),
+/* 20 */
+/***/ ((__unused_webpack_module, exports) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.ColorConverters = void 0;
+
+function makeColorComp(n) {
+ return Math.floor(Math.max(0, Math.min(1, n)) * 255).toString(16).padStart(2, "0");
+}
+
+class ColorConverters {
+ static CMYK_G([c, y, m, k]) {
+ return ["G", 1 - Math.min(1, 0.3 * c + 0.59 * m + 0.11 * y + k)];
+ }
+
+ static G_CMYK([g]) {
+ return ["CMYK", 0, 0, 0, 1 - g];
+ }
+
+ static G_RGB([g]) {
+ return ["RGB", g, g, g];
+ }
+
+ static G_HTML([g]) {
+ const G = makeColorComp(g);
+ return `#${G}${G}${G}`;
+ }
+
+ static RGB_G([r, g, b]) {
+ return ["G", 0.3 * r + 0.59 * g + 0.11 * b];
+ }
+
+ static RGB_HTML([r, g, b]) {
+ const R = makeColorComp(r);
+ const G = makeColorComp(g);
+ const B = makeColorComp(b);
+ return `#${R}${G}${B}`;
+ }
+
+ static T_HTML() {
+ return "#00000000";
+ }
+
+ 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_HTML(components) {
+ return this.RGB_HTML(this.CMYK_RGB(components));
+ }
+
+ 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];
+ }
+
+}
+
+exports.ColorConverters = ColorConverters;
+
+/***/ }),
+/* 21 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.renderTextLayer = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+const renderTextLayer = function renderTextLayerClosure() {
+ const MAX_TEXT_DIVS_TO_RENDER = 100000;
+ const NonWhitespaceRegexp = /\S/;
+
+ function isAllWhitespace(str) {
+ return !NonWhitespaceRegexp.test(str);
+ }
+
+ function appendText(task, geom, styles) {
+ const textDiv = document.createElement("span");
+ const textDivProperties = {
+ angle: 0,
+ canvasWidth: 0,
+ isWhitespace: false,
+ originalTransform: null,
+ paddingBottom: 0,
+ paddingLeft: 0,
+ paddingRight: 0,
+ paddingTop: 0,
+ scale: 1
+ };
+
+ task._textDivs.push(textDiv);
+
+ if (isAllWhitespace(geom.str)) {
+ textDivProperties.isWhitespace = true;
+
+ task._textDivProperties.set(textDiv, textDivProperties);
+
+ return;
+ }
+
+ const tx = _util.Util.transform(task._viewport.transform, geom.transform);
+
+ let angle = Math.atan2(tx[1], tx[0]);
+ const style = styles[geom.fontName];
+
+ if (style.vertical) {
+ angle += Math.PI / 2;
+ }
+
+ const fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
+ let fontAscent = fontHeight;
+
+ if (style.ascent) {
+ fontAscent = style.ascent * fontAscent;
+ } else if (style.descent) {
+ fontAscent = (1 + style.descent) * fontAscent;
+ }
+
+ 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);
+ }
+
+ textDiv.style.left = `${left}px`;
+ textDiv.style.top = `${top}px`;
+ textDiv.style.fontSize = `${fontHeight}px`;
+ textDiv.style.fontFamily = style.fontFamily;
+ textDiv.textContent = geom.str;
+
+ if (task._fontInspectorEnabled) {
+ textDiv.dataset.fontName = geom.fontName;
+ }
+
+ if (angle !== 0) {
+ textDivProperties.angle = angle * (180 / Math.PI);
+ }
+
+ let shouldScaleText = false;
+
+ if (geom.str.length > 1) {
+ shouldScaleText = true;
+ } else if (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) {
+ if (style.vertical) {
+ textDivProperties.canvasWidth = geom.height * task._viewport.scale;
+ } else {
+ textDivProperties.canvasWidth = geom.width * task._viewport.scale;
+ }
+ }
+
+ task._textDivProperties.set(textDiv, textDivProperties);
+
+ if (task._textContentStream) {
+ task._layoutText(textDiv);
+ }
+
+ if (task._enhanceTextSelection) {
+ let angleCos = 1,
+ angleSin = 0;
+
+ if (angle !== 0) {
+ angleCos = Math.cos(angle);
+ angleSin = Math.sin(angle);
+ }
+
+ const divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
+ const divHeight = fontHeight;
+ let m, b;
+
+ if (angle !== 0) {
+ m = [angleCos, angleSin, -angleSin, angleCos, left, top];
+ b = _util.Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);
+ } else {
+ b = [left, top, left + divWidth, top + divHeight];
+ }
+
+ task._bounds.push({
+ left: b[0],
+ top: b[1],
+ right: b[2],
+ bottom: b[3],
+ div: textDiv,
+ size: [divWidth, divHeight],
+ m
+ });
+ }
+ }
+
+ function render(task) {
+ if (task._canceled) {
+ return;
+ }
+
+ const textDivs = task._textDivs;
+ const capability = task._capability;
+ const textDivsLength = textDivs.length;
+
+ if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
+ task._renderingDone = true;
+ capability.resolve();
+ return;
+ }
+
+ if (!task._textContentStream) {
+ for (let i = 0; i < textDivsLength; i++) {
+ task._layoutText(textDivs[i]);
+ }
+ }
+
+ task._renderingDone = true;
+ capability.resolve();
+ }
+
+ function findPositiveMin(ts, offset, count) {
+ let result = 0;
+
+ for (let i = 0; i < count; i++) {
+ const t = ts[offset++];
+
+ if (t > 0) {
+ result = result ? Math.min(t, result) : t;
+ }
+ }
+
+ return result;
+ }
+
+ function expand(task) {
+ const bounds = task._bounds;
+ const viewport = task._viewport;
+ const expanded = expandBounds(viewport.width, viewport.height, bounds);
+
+ for (let i = 0; i < expanded.length; i++) {
+ const div = bounds[i].div;
+
+ const divProperties = task._textDivProperties.get(div);
+
+ if (divProperties.angle === 0) {
+ divProperties.paddingLeft = bounds[i].left - expanded[i].left;
+ divProperties.paddingTop = bounds[i].top - expanded[i].top;
+ divProperties.paddingRight = expanded[i].right - bounds[i].right;
+ divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
+
+ task._textDivProperties.set(div, divProperties);
+
+ continue;
+ }
+
+ const e = expanded[i],
+ b = bounds[i];
+ const m = b.m,
+ c = m[0],
+ s = m[1];
+ const points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];
+ const ts = new Float64Array(64);
+ points.forEach(function (p, j) {
+ const t = _util.Util.applyTransform(p, m);
+
+ ts[j + 0] = c && (e.left - t[0]) / c;
+ ts[j + 4] = s && (e.top - t[1]) / s;
+ ts[j + 8] = c && (e.right - t[0]) / c;
+ ts[j + 12] = s && (e.bottom - t[1]) / s;
+ ts[j + 16] = s && (e.left - t[0]) / -s;
+ ts[j + 20] = c && (e.top - t[1]) / c;
+ ts[j + 24] = s && (e.right - t[0]) / -s;
+ ts[j + 28] = c && (e.bottom - t[1]) / c;
+ ts[j + 32] = c && (e.left - t[0]) / -c;
+ ts[j + 36] = s && (e.top - t[1]) / -s;
+ ts[j + 40] = c && (e.right - t[0]) / -c;
+ ts[j + 44] = s && (e.bottom - t[1]) / -s;
+ ts[j + 48] = s && (e.left - t[0]) / s;
+ ts[j + 52] = c && (e.top - t[1]) / -c;
+ ts[j + 56] = s && (e.right - t[0]) / s;
+ ts[j + 60] = c && (e.bottom - t[1]) / -c;
+ });
+ const boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
+ divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
+ divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
+ divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
+ divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
+
+ task._textDivProperties.set(div, divProperties);
+ }
+ }
+
+ function expandBounds(width, height, boxes) {
+ const bounds = boxes.map(function (box, i) {
+ return {
+ x1: box.left,
+ y1: box.top,
+ x2: box.right,
+ y2: box.bottom,
+ index: i,
+ x1New: undefined,
+ x2New: undefined
+ };
+ });
+ expandBoundsLTR(width, bounds);
+ const expanded = new Array(boxes.length);
+ bounds.forEach(function (b) {
+ const i = b.index;
+ expanded[i] = {
+ left: b.x1New,
+ top: 0,
+ right: b.x2New,
+ bottom: 0
+ };
+ });
+ boxes.map(function (box, i) {
+ const e = expanded[i],
+ b = bounds[i];
+ b.x1 = box.top;
+ b.y1 = width - e.right;
+ b.x2 = box.bottom;
+ b.y2 = width - e.left;
+ b.index = i;
+ b.x1New = undefined;
+ b.x2New = undefined;
+ });
+ expandBoundsLTR(height, bounds);
+ bounds.forEach(function (b) {
+ const i = b.index;
+ expanded[i].top = b.x1New;
+ expanded[i].bottom = b.x2New;
+ });
+ return expanded;
+ }
+
+ function expandBoundsLTR(width, bounds) {
+ bounds.sort(function (a, b) {
+ return a.x1 - b.x1 || a.index - b.index;
+ });
+ const fakeBoundary = {
+ x1: -Infinity,
+ y1: -Infinity,
+ x2: 0,
+ y2: Infinity,
+ index: -1,
+ x1New: 0,
+ x2New: 0
+ };
+ const horizon = [{
+ start: -Infinity,
+ end: Infinity,
+ boundary: fakeBoundary
+ }];
+ bounds.forEach(function (boundary) {
+ let i = 0;
+
+ while (i < horizon.length && horizon[i].end <= boundary.y1) {
+ i++;
+ }
+
+ let j = horizon.length - 1;
+
+ while (j >= 0 && horizon[j].start >= boundary.y2) {
+ j--;
+ }
+
+ let horizonPart, affectedBoundary;
+ let q,
+ k,
+ maxXNew = -Infinity;
+
+ for (q = i; q <= j; q++) {
+ horizonPart = horizon[q];
+ affectedBoundary = horizonPart.boundary;
+ let xNew;
+
+ if (affectedBoundary.x2 > boundary.x1) {
+ xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
+ } else if (affectedBoundary.x2New === undefined) {
+ xNew = (affectedBoundary.x2 + boundary.x1) / 2;
+ } else {
+ xNew = affectedBoundary.x2New;
+ }
+
+ if (xNew > maxXNew) {
+ maxXNew = xNew;
+ }
+ }
+
+ boundary.x1New = maxXNew;
+
+ for (q = i; q <= j; q++) {
+ horizonPart = horizon[q];
+ affectedBoundary = horizonPart.boundary;
+
+ if (affectedBoundary.x2New === undefined) {
+ if (affectedBoundary.x2 > boundary.x1) {
+ if (affectedBoundary.index > boundary.index) {
+ affectedBoundary.x2New = affectedBoundary.x2;
+ }
+ } else {
+ affectedBoundary.x2New = maxXNew;
+ }
+ } else if (affectedBoundary.x2New > maxXNew) {
+ affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
+ }
+ }
+
+ const changedHorizon = [];
+ let lastBoundary = null;
+
+ for (q = i; q <= j; q++) {
+ horizonPart = horizon[q];
+ affectedBoundary = horizonPart.boundary;
+ const useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
+
+ if (lastBoundary === useBoundary) {
+ changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
+ } else {
+ changedHorizon.push({
+ start: horizonPart.start,
+ end: horizonPart.end,
+ boundary: useBoundary
+ });
+ lastBoundary = useBoundary;
+ }
+ }
+
+ if (horizon[i].start < boundary.y1) {
+ changedHorizon[0].start = boundary.y1;
+ changedHorizon.unshift({
+ start: horizon[i].start,
+ end: boundary.y1,
+ boundary: horizon[i].boundary
+ });
+ }
+
+ if (boundary.y2 < horizon[j].end) {
+ changedHorizon[changedHorizon.length - 1].end = boundary.y2;
+ changedHorizon.push({
+ start: boundary.y2,
+ end: horizon[j].end,
+ boundary: horizon[j].boundary
+ });
+ }
+
+ for (q = i; q <= j; q++) {
+ horizonPart = horizon[q];
+ affectedBoundary = horizonPart.boundary;
+
+ if (affectedBoundary.x2New !== undefined) {
+ continue;
+ }
+
+ let used = false;
+
+ for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
+ used = horizon[k].boundary === affectedBoundary;
+ }
+
+ for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
+ used = horizon[k].boundary === affectedBoundary;
+ }
+
+ for (k = 0; !used && k < changedHorizon.length; k++) {
+ used = changedHorizon[k].boundary === affectedBoundary;
+ }
+
+ if (!used) {
+ affectedBoundary.x2New = maxXNew;
+ }
+ }
+
+ Array.prototype.splice.apply(horizon, [i, j - i + 1].concat(changedHorizon));
+ });
+ horizon.forEach(function (horizonPart) {
+ const affectedBoundary = horizonPart.boundary;
+
+ if (affectedBoundary.x2New === undefined) {
+ affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
+ }
+ });
+ }
+
+ function TextLayerRenderTask({
+ textContent,
+ textContentStream,
+ container,
+ viewport,
+ textDivs,
+ textContentItemsStr,
+ enhanceTextSelection
+ }) {
+ this._textContent = textContent;
+ this._textContentStream = textContentStream;
+ this._container = container;
+ this._document = container.ownerDocument;
+ this._viewport = viewport;
+ this._textDivs = textDivs || [];
+ this._textContentItemsStr = textContentItemsStr || [];
+ this._enhanceTextSelection = !!enhanceTextSelection;
+ this._fontInspectorEnabled = !!globalThis.FontInspector?.enabled;
+ this._reader = null;
+ this._layoutTextLastFontSize = null;
+ this._layoutTextLastFontFamily = null;
+ this._layoutTextCtx = null;
+ this._textDivProperties = new WeakMap();
+ this._renderingDone = false;
+ this._canceled = false;
+ this._capability = (0, _util.createPromiseCapability)();
+ this._renderTimer = null;
+ this._bounds = [];
+
+ this._capability.promise.finally(() => {
+ if (this._layoutTextCtx) {
+ this._layoutTextCtx.canvas.width = 0;
+ this._layoutTextCtx.canvas.height = 0;
+ this._layoutTextCtx = null;
+ }
+ }).catch(() => {});
+ }
+
+ TextLayerRenderTask.prototype = {
+ get promise() {
+ return this._capability.promise;
+ },
+
+ cancel: function TextLayer_cancel() {
+ this._canceled = true;
+
+ if (this._reader) {
+ this._reader.cancel(new _util.AbortException("TextLayer task cancelled."));
+
+ this._reader = null;
+ }
+
+ if (this._renderTimer !== null) {
+ clearTimeout(this._renderTimer);
+ this._renderTimer = null;
+ }
+
+ this._capability.reject(new Error("TextLayer task cancelled."));
+ },
+
+ _processItems(items, styleCache) {
+ for (let i = 0, len = items.length; i < len; i++) {
+ this._textContentItemsStr.push(items[i].str);
+
+ appendText(this, items[i], styleCache);
+ }
+ },
+
+ _layoutText(textDiv) {
+ const textDivProperties = this._textDivProperties.get(textDiv);
+
+ if (textDivProperties.isWhitespace) {
+ return;
+ }
+
+ let transform = "";
+
+ if (textDivProperties.canvasWidth !== 0) {
+ const {
+ fontSize,
+ fontFamily
+ } = textDiv.style;
+
+ if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) {
+ this._layoutTextCtx.font = `${fontSize} ${fontFamily}`;
+ this._layoutTextLastFontSize = fontSize;
+ this._layoutTextLastFontFamily = fontFamily;
+ }
+
+ const {
+ width
+ } = this._layoutTextCtx.measureText(textDiv.textContent);
+
+ if (width > 0) {
+ textDivProperties.scale = textDivProperties.canvasWidth / width;
+ transform = `scaleX(${textDivProperties.scale})`;
+ }
+ }
+
+ if (textDivProperties.angle !== 0) {
+ transform = `rotate(${textDivProperties.angle}deg) ${transform}`;
+ }
+
+ if (transform.length > 0) {
+ if (this._enhanceTextSelection) {
+ textDivProperties.originalTransform = transform;
+ }
+
+ textDiv.style.transform = transform;
+ }
+
+ this._textDivProperties.set(textDiv, textDivProperties);
+
+ this._container.appendChild(textDiv);
+ },
+
+ _render: function TextLayer_render(timeout) {
+ const capability = (0, _util.createPromiseCapability)();
+ let styleCache = Object.create(null);
+
+ const canvas = this._document.createElement("canvas");
+
+ canvas.mozOpaque = true;
+ this._layoutTextCtx = canvas.getContext("2d", {
+ alpha: false
+ });
+
+ if (this._textContent) {
+ const textItems = this._textContent.items;
+ const textStyles = this._textContent.styles;
+
+ this._processItems(textItems, textStyles);
+
+ capability.resolve();
+ } else if (this._textContentStream) {
+ const pump = () => {
+ this._reader.read().then(({
+ value,
+ done
+ }) => {
+ if (done) {
+ capability.resolve();
+ return;
+ }
+
+ Object.assign(styleCache, value.styles);
+
+ this._processItems(value.items, styleCache);
+
+ pump();
+ }, capability.reject);
+ };
+
+ this._reader = this._textContentStream.getReader();
+ pump();
+ } else {
+ throw new Error('Neither "textContent" nor "textContentStream"' + " parameters specified.");
+ }
+
+ capability.promise.then(() => {
+ styleCache = null;
+
+ if (!timeout) {
+ render(this);
+ } else {
+ this._renderTimer = setTimeout(() => {
+ render(this);
+ this._renderTimer = null;
+ }, timeout);
+ }
+ }, this._capability.reject);
+ },
+ expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
+ if (!this._enhanceTextSelection || !this._renderingDone) {
+ return;
+ }
+
+ if (this._bounds !== null) {
+ expand(this);
+ this._bounds = null;
+ }
+
+ const transformBuf = [],
+ paddingBuf = [];
+
+ for (let i = 0, ii = this._textDivs.length; i < ii; i++) {
+ const div = this._textDivs[i];
+
+ const divProps = this._textDivProperties.get(div);
+
+ if (divProps.isWhitespace) {
+ continue;
+ }
+
+ if (expandDivs) {
+ transformBuf.length = 0;
+ paddingBuf.length = 0;
+
+ if (divProps.originalTransform) {
+ transformBuf.push(divProps.originalTransform);
+ }
+
+ if (divProps.paddingTop > 0) {
+ paddingBuf.push(`${divProps.paddingTop}px`);
+ transformBuf.push(`translateY(${-divProps.paddingTop}px)`);
+ } else {
+ paddingBuf.push(0);
+ }
+
+ if (divProps.paddingRight > 0) {
+ paddingBuf.push(`${divProps.paddingRight / divProps.scale}px`);
+ } else {
+ paddingBuf.push(0);
+ }
+
+ if (divProps.paddingBottom > 0) {
+ paddingBuf.push(`${divProps.paddingBottom}px`);
+ } else {
+ paddingBuf.push(0);
+ }
+
+ if (divProps.paddingLeft > 0) {
+ paddingBuf.push(`${divProps.paddingLeft / divProps.scale}px`);
+ transformBuf.push(`translateX(${-divProps.paddingLeft / divProps.scale}px)`);
+ } else {
+ paddingBuf.push(0);
+ }
+
+ div.style.padding = paddingBuf.join(" ");
+
+ if (transformBuf.length) {
+ div.style.transform = transformBuf.join(" ");
+ }
+ } else {
+ div.style.padding = null;
+ div.style.transform = divProps.originalTransform;
+ }
+ }
+ }
+ };
+
+ function renderTextLayer(renderParameters) {
+ const task = new TextLayerRenderTask({
+ textContent: renderParameters.textContent,
+ textContentStream: renderParameters.textContentStream,
+ container: renderParameters.container,
+ viewport: renderParameters.viewport,
+ textDivs: renderParameters.textDivs,
+ textContentItemsStr: renderParameters.textContentItemsStr,
+ enhanceTextSelection: renderParameters.enhanceTextSelection
+ });
+
+ task._render(renderParameters.timeout);
+
+ return task;
+ }
+
+ return renderTextLayer;
+}();
+
+exports.renderTextLayer = renderTextLayer;
+
+/***/ }),
+/* 22 */
+/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
+
+
+
+Object.defineProperty(exports, "__esModule", ({
+ value: true
+}));
+exports.SVGGraphics = void 0;
+
+var _util = __w_pdfjs_require__(2);
+
+var _display_utils = __w_pdfjs_require__(1);
+
+var _is_node = __w_pdfjs_require__(4);
+
+let SVGGraphics = function () {
+ throw new Error("Not implemented: SVGGraphics");
+};
+
+exports.SVGGraphics = SVGGraphics;
+;
+
+/***/ })
+/******/ ]);
+/************************************************************************/
+/******/ // The module cache
+/******/ var __webpack_module_cache__ = {};
+/******/
+/******/ // The require function
+/******/ function __w_pdfjs_require__(moduleId) {
+/******/ // Check if module is in cache
+/******/ if(__webpack_module_cache__[moduleId]) {
+/******/ return __webpack_module_cache__[moduleId].exports;
+/******/ }
+/******/ // Create a new module (and put it into the cache)
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generated by cgit v1.2.3 (git 2.39.1) at 2025-07-28 19:28:30 +0000