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2477 lines
75 KiB
JavaScript
2477 lines
75 KiB
JavaScript
/**
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* @licstart The following is the entire license notice for the
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* Javascript code in this page
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*
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* Copyright 2019 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @licend The above is the entire license notice for the
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* Javascript code in this page
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*/
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.getDocument = getDocument;
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exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
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exports.build = exports.version = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFWorker = exports.PDFDataRangeTransport = exports.LoopbackPort = void 0;
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var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
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var _util = require("../shared/util");
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var _display_utils = require("./display_utils");
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var _font_loader = require("./font_loader");
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var _api_compatibility = require("./api_compatibility");
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var _canvas = require("./canvas");
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var _global_scope = _interopRequireDefault(require("../shared/global_scope"));
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var _worker_options = require("./worker_options");
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var _message_handler = require("../shared/message_handler");
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var _metadata = require("./metadata");
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var _transport_stream = require("./transport_stream");
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var _webgl = require("./webgl");
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
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function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
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function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
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function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
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function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
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function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
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function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }
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function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }
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function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }
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function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
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function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
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function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
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var DEFAULT_RANGE_CHUNK_SIZE = 65536;
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var isWorkerDisabled = false;
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var fallbackWorkerSrc;
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var fakeWorkerFilesLoader = null;
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{
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var useRequireEnsure = false;
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if (typeof window === 'undefined') {
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isWorkerDisabled = true;
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if (typeof require.ensure === 'undefined') {
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require.ensure = require('node-ensure');
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}
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useRequireEnsure = true;
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} else if (typeof require !== 'undefined' && typeof require.ensure === 'function') {
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useRequireEnsure = true;
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}
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if (typeof requirejs !== 'undefined' && requirejs.toUrl) {
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fallbackWorkerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');
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}
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var dynamicLoaderSupported = typeof requirejs !== 'undefined' && requirejs.load;
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fakeWorkerFilesLoader = useRequireEnsure ? function () {
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return new Promise(function (resolve, reject) {
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require.ensure([], function () {
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try {
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var worker;
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worker = require('../pdf.worker.js');
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resolve(worker.WorkerMessageHandler);
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} catch (ex) {
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reject(ex);
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}
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}, reject, 'pdfjsWorker');
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});
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} : dynamicLoaderSupported ? function () {
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return new Promise(function (resolve, reject) {
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requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) {
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try {
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resolve(worker.WorkerMessageHandler);
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} catch (ex) {
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reject(ex);
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}
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}, reject);
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});
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} : null;
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if (!fallbackWorkerSrc && (typeof document === "undefined" ? "undefined" : _typeof(document)) === 'object' && 'currentScript' in document) {
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var pdfjsFilePath = document.currentScript && document.currentScript.src;
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if (pdfjsFilePath) {
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fallbackWorkerSrc = pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, '.worker$1$2');
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}
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}
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}
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var createPDFNetworkStream;
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function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
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createPDFNetworkStream = pdfNetworkStreamFactory;
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}
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function getDocument(src) {
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var task = new PDFDocumentLoadingTask();
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var source;
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if (typeof src === 'string') {
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source = {
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url: src
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};
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} else if ((0, _util.isArrayBuffer)(src)) {
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source = {
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data: src
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};
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} else if (src instanceof PDFDataRangeTransport) {
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source = {
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range: src
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};
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} else {
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if (_typeof(src) !== 'object') {
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throw new Error('Invalid parameter in getDocument, ' + 'need either Uint8Array, string or a parameter object');
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}
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if (!src.url && !src.data && !src.range) {
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throw new Error('Invalid parameter object: need either .data, .range or .url');
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}
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source = src;
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}
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var params = Object.create(null);
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var rangeTransport = null,
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worker = null;
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for (var key in source) {
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if (key === 'url' && typeof window !== 'undefined') {
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params[key] = new _util.URL(source[key], window.location).href;
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continue;
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} else if (key === 'range') {
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rangeTransport = source[key];
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continue;
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} else if (key === 'worker') {
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worker = source[key];
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continue;
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} else if (key === 'data' && !(source[key] instanceof Uint8Array)) {
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var pdfBytes = source[key];
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if (typeof pdfBytes === 'string') {
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params[key] = (0, _util.stringToBytes)(pdfBytes);
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} else if (_typeof(pdfBytes) === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) {
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params[key] = new Uint8Array(pdfBytes);
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} else if ((0, _util.isArrayBuffer)(pdfBytes)) {
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params[key] = new Uint8Array(pdfBytes);
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} else {
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throw new Error('Invalid PDF binary data: either typed array, ' + 'string or array-like object is expected in the ' + 'data property.');
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}
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continue;
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}
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params[key] = source[key];
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}
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params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
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params.CMapReaderFactory = params.CMapReaderFactory || _display_utils.DOMCMapReaderFactory;
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params.ignoreErrors = params.stopAtErrors !== true;
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params.pdfBug = params.pdfBug === true;
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var NativeImageDecoderValues = Object.values(_util.NativeImageDecoding);
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if (params.nativeImageDecoderSupport === undefined || !NativeImageDecoderValues.includes(params.nativeImageDecoderSupport)) {
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params.nativeImageDecoderSupport = _api_compatibility.apiCompatibilityParams.nativeImageDecoderSupport || _util.NativeImageDecoding.DECODE;
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}
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if (!Number.isInteger(params.maxImageSize)) {
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params.maxImageSize = -1;
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}
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if (typeof params.isEvalSupported !== 'boolean') {
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params.isEvalSupported = true;
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}
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if (typeof params.disableFontFace !== 'boolean') {
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params.disableFontFace = _api_compatibility.apiCompatibilityParams.disableFontFace || false;
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}
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if (typeof params.disableRange !== 'boolean') {
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params.disableRange = false;
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}
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if (typeof params.disableStream !== 'boolean') {
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params.disableStream = false;
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}
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if (typeof params.disableAutoFetch !== 'boolean') {
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params.disableAutoFetch = false;
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}
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if (typeof params.disableCreateObjectURL !== 'boolean') {
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params.disableCreateObjectURL = _api_compatibility.apiCompatibilityParams.disableCreateObjectURL || false;
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}
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(0, _util.setVerbosityLevel)(params.verbosity);
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if (!worker) {
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var workerParams = {
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postMessageTransfers: params.postMessageTransfers,
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verbosity: params.verbosity,
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port: _worker_options.GlobalWorkerOptions.workerPort
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};
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worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
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task._worker = worker;
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}
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var docId = task.docId;
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worker.promise.then(function () {
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if (task.destroyed) {
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throw new Error('Loading aborted');
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}
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return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) {
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if (task.destroyed) {
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throw new Error('Loading aborted');
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}
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var networkStream;
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if (rangeTransport) {
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networkStream = new _transport_stream.PDFDataTransportStream({
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length: params.length,
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initialData: params.initialData,
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progressiveDone: params.progressiveDone,
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disableRange: params.disableRange,
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disableStream: params.disableStream
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}, rangeTransport);
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} else if (!params.data) {
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networkStream = createPDFNetworkStream({
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url: params.url,
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length: params.length,
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httpHeaders: params.httpHeaders,
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withCredentials: params.withCredentials,
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rangeChunkSize: params.rangeChunkSize,
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disableRange: params.disableRange,
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disableStream: params.disableStream
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});
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}
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var messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
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messageHandler.postMessageTransfers = worker.postMessageTransfers;
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var transport = new WorkerTransport(messageHandler, task, networkStream, params);
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task._transport = transport;
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messageHandler.send('Ready', null);
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});
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})["catch"](task._capability.reject);
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return task;
|
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}
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|
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function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
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if (worker.destroyed) {
|
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return Promise.reject(new Error('Worker was destroyed'));
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}
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if (pdfDataRangeTransport) {
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source.length = pdfDataRangeTransport.length;
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source.initialData = pdfDataRangeTransport.initialData;
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source.progressiveDone = pdfDataRangeTransport.progressiveDone;
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}
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return worker.messageHandler.sendWithPromise('GetDocRequest', {
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docId: docId,
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apiVersion: '2.2.228',
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source: {
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data: source.data,
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url: source.url,
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password: source.password,
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disableAutoFetch: source.disableAutoFetch,
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rangeChunkSize: source.rangeChunkSize,
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length: source.length
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},
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maxImageSize: source.maxImageSize,
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disableFontFace: source.disableFontFace,
|
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disableCreateObjectURL: source.disableCreateObjectURL,
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postMessageTransfers: worker.postMessageTransfers,
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docBaseUrl: source.docBaseUrl,
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nativeImageDecoderSupport: source.nativeImageDecoderSupport,
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ignoreErrors: source.ignoreErrors,
|
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isEvalSupported: source.isEvalSupported
|
|
}).then(function (workerId) {
|
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if (worker.destroyed) {
|
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throw new Error('Worker was destroyed');
|
|
}
|
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return workerId;
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});
|
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}
|
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|
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var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
|
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var nextDocumentId = 0;
|
|
|
|
var PDFDocumentLoadingTask =
|
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/*#__PURE__*/
|
|
function () {
|
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function PDFDocumentLoadingTask() {
|
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_classCallCheck(this, PDFDocumentLoadingTask);
|
|
|
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this._capability = (0, _util.createPromiseCapability)();
|
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this._transport = null;
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this._worker = null;
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this.docId = 'd' + nextDocumentId++;
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this.destroyed = false;
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this.onPassword = null;
|
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this.onProgress = null;
|
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this.onUnsupportedFeature = null;
|
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}
|
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|
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_createClass(PDFDocumentLoadingTask, [{
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key: "destroy",
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value: function destroy() {
|
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var _this = this;
|
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|
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this.destroyed = true;
|
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var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
|
|
return transportDestroyed.then(function () {
|
|
_this._transport = null;
|
|
|
|
if (_this._worker) {
|
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_this._worker.destroy();
|
|
|
|
_this._worker = null;
|
|
}
|
|
});
|
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}
|
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}, {
|
|
key: "then",
|
|
value: function then(onFulfilled, onRejected) {
|
|
(0, _display_utils.deprecated)('PDFDocumentLoadingTask.then method, ' + 'use the `promise` getter instead.');
|
|
return this.promise.then.apply(this.promise, arguments);
|
|
}
|
|
}, {
|
|
key: "promise",
|
|
get: function get() {
|
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return this._capability.promise;
|
|
}
|
|
}]);
|
|
|
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return PDFDocumentLoadingTask;
|
|
}();
|
|
|
|
return PDFDocumentLoadingTask;
|
|
}();
|
|
|
|
var PDFDataRangeTransport =
|
|
/*#__PURE__*/
|
|
function () {
|
|
function PDFDataRangeTransport(length, initialData) {
|
|
var progressiveDone = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
|
|
|
|
_classCallCheck(this, PDFDataRangeTransport);
|
|
|
|
this.length = length;
|
|
this.initialData = initialData;
|
|
this.progressiveDone = progressiveDone;
|
|
this._rangeListeners = [];
|
|
this._progressListeners = [];
|
|
this._progressiveReadListeners = [];
|
|
this._progressiveDoneListeners = [];
|
|
this._readyCapability = (0, _util.createPromiseCapability)();
|
|
}
|
|
|
|
_createClass(PDFDataRangeTransport, [{
|
|
key: "addRangeListener",
|
|
value: function addRangeListener(listener) {
|
|
this._rangeListeners.push(listener);
|
|
}
|
|
}, {
|
|
key: "addProgressListener",
|
|
value: function addProgressListener(listener) {
|
|
this._progressListeners.push(listener);
|
|
}
|
|
}, {
|
|
key: "addProgressiveReadListener",
|
|
value: function addProgressiveReadListener(listener) {
|
|
this._progressiveReadListeners.push(listener);
|
|
}
|
|
}, {
|
|
key: "addProgressiveDoneListener",
|
|
value: function addProgressiveDoneListener(listener) {
|
|
this._progressiveDoneListeners.push(listener);
|
|
}
|
|
}, {
|
|
key: "onDataRange",
|
|
value: function onDataRange(begin, chunk) {
|
|
var _iteratorNormalCompletion = true;
|
|
var _didIteratorError = false;
|
|
var _iteratorError = undefined;
|
|
|
|
try {
|
|
for (var _iterator = this._rangeListeners[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
|
|
var listener = _step.value;
|
|
listener(begin, chunk);
|
|
}
|
|
} catch (err) {
|
|
_didIteratorError = true;
|
|
_iteratorError = err;
|
|
} finally {
|
|
try {
|
|
if (!_iteratorNormalCompletion && _iterator["return"] != null) {
|
|
_iterator["return"]();
|
|
}
|
|
} finally {
|
|
if (_didIteratorError) {
|
|
throw _iteratorError;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}, {
|
|
key: "onDataProgress",
|
|
value: function onDataProgress(loaded, total) {
|
|
var _this2 = this;
|
|
|
|
this._readyCapability.promise.then(function () {
|
|
var _iteratorNormalCompletion2 = true;
|
|
var _didIteratorError2 = false;
|
|
var _iteratorError2 = undefined;
|
|
|
|
try {
|
|
for (var _iterator2 = _this2._progressListeners[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
|
|
var listener = _step2.value;
|
|
listener(loaded, total);
|
|
}
|
|
} catch (err) {
|
|
_didIteratorError2 = true;
|
|
_iteratorError2 = err;
|
|
} finally {
|
|
try {
|
|
if (!_iteratorNormalCompletion2 && _iterator2["return"] != null) {
|
|
_iterator2["return"]();
|
|
}
|
|
} finally {
|
|
if (_didIteratorError2) {
|
|
throw _iteratorError2;
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}, {
|
|
key: "onDataProgressiveRead",
|
|
value: function onDataProgressiveRead(chunk) {
|
|
var _this3 = this;
|
|
|
|
this._readyCapability.promise.then(function () {
|
|
var _iteratorNormalCompletion3 = true;
|
|
var _didIteratorError3 = false;
|
|
var _iteratorError3 = undefined;
|
|
|
|
try {
|
|
for (var _iterator3 = _this3._progressiveReadListeners[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
|
|
var listener = _step3.value;
|
|
listener(chunk);
|
|
}
|
|
} catch (err) {
|
|
_didIteratorError3 = true;
|
|
_iteratorError3 = err;
|
|
} finally {
|
|
try {
|
|
if (!_iteratorNormalCompletion3 && _iterator3["return"] != null) {
|
|
_iterator3["return"]();
|
|
}
|
|
} finally {
|
|
if (_didIteratorError3) {
|
|
throw _iteratorError3;
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}, {
|
|
key: "onDataProgressiveDone",
|
|
value: function onDataProgressiveDone() {
|
|
var _this4 = this;
|
|
|
|
this._readyCapability.promise.then(function () {
|
|
var _iteratorNormalCompletion4 = true;
|
|
var _didIteratorError4 = false;
|
|
var _iteratorError4 = undefined;
|
|
|
|
try {
|
|
for (var _iterator4 = _this4._progressiveDoneListeners[Symbol.iterator](), _step4; !(_iteratorNormalCompletion4 = (_step4 = _iterator4.next()).done); _iteratorNormalCompletion4 = true) {
|
|
var listener = _step4.value;
|
|
listener();
|
|
}
|
|
} catch (err) {
|
|
_didIteratorError4 = true;
|
|
_iteratorError4 = err;
|
|
} finally {
|
|
try {
|
|
if (!_iteratorNormalCompletion4 && _iterator4["return"] != null) {
|
|
_iterator4["return"]();
|
|
}
|
|
} finally {
|
|
if (_didIteratorError4) {
|
|
throw _iteratorError4;
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}, {
|
|
key: "transportReady",
|
|
value: function transportReady() {
|
|
this._readyCapability.resolve();
|
|
}
|
|
}, {
|
|
key: "requestDataRange",
|
|
value: function requestDataRange(begin, end) {
|
|
(0, _util.unreachable)('Abstract method PDFDataRangeTransport.requestDataRange');
|
|
}
|
|
}, {
|
|
key: "abort",
|
|
value: function abort() {}
|
|
}]);
|
|
|
|
return PDFDataRangeTransport;
|
|
}();
|
|
|
|
exports.PDFDataRangeTransport = PDFDataRangeTransport;
|
|
|
|
var PDFDocumentProxy =
|
|
/*#__PURE__*/
|
|
function () {
|
|
function PDFDocumentProxy(pdfInfo, transport) {
|
|
_classCallCheck(this, PDFDocumentProxy);
|
|
|
|
this._pdfInfo = pdfInfo;
|
|
this._transport = transport;
|
|
}
|
|
|
|
_createClass(PDFDocumentProxy, [{
|
|
key: "getPage",
|
|
value: function getPage(pageNumber) {
|
|
return this._transport.getPage(pageNumber);
|
|
}
|
|
}, {
|
|
key: "getPageIndex",
|
|
value: function getPageIndex(ref) {
|
|
return this._transport.getPageIndex(ref);
|
|
}
|
|
}, {
|
|
key: "getDestinations",
|
|
value: function getDestinations() {
|
|
return this._transport.getDestinations();
|
|
}
|
|
}, {
|
|
key: "getDestination",
|
|
value: function getDestination(id) {
|
|
return this._transport.getDestination(id);
|
|
}
|
|
}, {
|
|
key: "getPageLabels",
|
|
value: function getPageLabels() {
|
|
return this._transport.getPageLabels();
|
|
}
|
|
}, {
|
|
key: "getPageLayout",
|
|
value: function getPageLayout() {
|
|
return this._transport.getPageLayout();
|
|
}
|
|
}, {
|
|
key: "getPageMode",
|
|
value: function getPageMode() {
|
|
return this._transport.getPageMode();
|
|
}
|
|
}, {
|
|
key: "getViewerPreferences",
|
|
value: function getViewerPreferences() {
|
|
return this._transport.getViewerPreferences();
|
|
}
|
|
}, {
|
|
key: "getOpenActionDestination",
|
|
value: function getOpenActionDestination() {
|
|
return this._transport.getOpenActionDestination();
|
|
}
|
|
}, {
|
|
key: "getAttachments",
|
|
value: function getAttachments() {
|
|
return this._transport.getAttachments();
|
|
}
|
|
}, {
|
|
key: "getJavaScript",
|
|
value: function getJavaScript() {
|
|
return this._transport.getJavaScript();
|
|
}
|
|
}, {
|
|
key: "getOutline",
|
|
value: function getOutline() {
|
|
return this._transport.getOutline();
|
|
}
|
|
}, {
|
|
key: "getPermissions",
|
|
value: function getPermissions() {
|
|
return this._transport.getPermissions();
|
|
}
|
|
}, {
|
|
key: "getMetadata",
|
|
value: function getMetadata() {
|
|
return this._transport.getMetadata();
|
|
}
|
|
}, {
|
|
key: "getData",
|
|
value: function getData() {
|
|
return this._transport.getData();
|
|
}
|
|
}, {
|
|
key: "getDownloadInfo",
|
|
value: function getDownloadInfo() {
|
|
return this._transport.downloadInfoCapability.promise;
|
|
}
|
|
}, {
|
|
key: "getStats",
|
|
value: function getStats() {
|
|
return this._transport.getStats();
|
|
}
|
|
}, {
|
|
key: "cleanup",
|
|
value: function cleanup() {
|
|
this._transport.startCleanup();
|
|
}
|
|
}, {
|
|
key: "destroy",
|
|
value: function destroy() {
|
|
return this.loadingTask.destroy();
|
|
}
|
|
}, {
|
|
key: "numPages",
|
|
get: function get() {
|
|
return this._pdfInfo.numPages;
|
|
}
|
|
}, {
|
|
key: "fingerprint",
|
|
get: function get() {
|
|
return this._pdfInfo.fingerprint;
|
|
}
|
|
}, {
|
|
key: "loadingParams",
|
|
get: function get() {
|
|
return this._transport.loadingParams;
|
|
}
|
|
}, {
|
|
key: "loadingTask",
|
|
get: function get() {
|
|
return this._transport.loadingTask;
|
|
}
|
|
}]);
|
|
|
|
return PDFDocumentProxy;
|
|
}();
|
|
|
|
exports.PDFDocumentProxy = PDFDocumentProxy;
|
|
|
|
var PDFPageProxy =
|
|
/*#__PURE__*/
|
|
function () {
|
|
function PDFPageProxy(pageIndex, pageInfo, transport) {
|
|
var pdfBug = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
|
|
|
|
_classCallCheck(this, PDFPageProxy);
|
|
|
|
this.pageIndex = pageIndex;
|
|
this._pageInfo = pageInfo;
|
|
this._transport = transport;
|
|
this._stats = pdfBug ? new _display_utils.StatTimer() : _display_utils.DummyStatTimer;
|
|
this._pdfBug = pdfBug;
|
|
this.commonObjs = transport.commonObjs;
|
|
this.objs = new PDFObjects();
|
|
this.cleanupAfterRender = false;
|
|
this.pendingCleanup = false;
|
|
this.intentStates = Object.create(null);
|
|
this.destroyed = false;
|
|
}
|
|
|
|
_createClass(PDFPageProxy, [{
|
|
key: "getViewport",
|
|
value: function getViewport() {
|
|
var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
|
|
scale = _ref.scale,
|
|
_ref$rotation = _ref.rotation,
|
|
rotation = _ref$rotation === void 0 ? this.rotate : _ref$rotation,
|
|
_ref$dontFlip = _ref.dontFlip,
|
|
dontFlip = _ref$dontFlip === void 0 ? false : _ref$dontFlip;
|
|
|
|
if (arguments.length > 1 || typeof arguments[0] === 'number') {
|
|
(0, _display_utils.deprecated)('getViewport is called with obsolete arguments.');
|
|
scale = arguments[0];
|
|
rotation = typeof arguments[1] === 'number' ? arguments[1] : this.rotate;
|
|
dontFlip = typeof arguments[2] === 'boolean' ? arguments[2] : false;
|
|
}
|
|
|
|
return new _display_utils.PageViewport({
|
|
viewBox: this.view,
|
|
scale: scale,
|
|
rotation: rotation,
|
|
dontFlip: dontFlip
|
|
});
|
|
}
|
|
}, {
|
|
key: "getAnnotations",
|
|
value: function getAnnotations() {
|
|
var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
|
|
_ref2$intent = _ref2.intent,
|
|
intent = _ref2$intent === void 0 ? null : _ref2$intent;
|
|
|
|
if (!this.annotationsPromise || this.annotationsIntent !== intent) {
|
|
this.annotationsPromise = this._transport.getAnnotations(this.pageIndex, intent);
|
|
this.annotationsIntent = intent;
|
|
}
|
|
|
|
return this.annotationsPromise;
|
|
}
|
|
}, {
|
|
key: "render",
|
|
value: function render(_ref3) {
|
|
var _this5 = this;
|
|
|
|
var canvasContext = _ref3.canvasContext,
|
|
viewport = _ref3.viewport,
|
|
_ref3$intent = _ref3.intent,
|
|
intent = _ref3$intent === void 0 ? 'display' : _ref3$intent,
|
|
_ref3$enableWebGL = _ref3.enableWebGL,
|
|
enableWebGL = _ref3$enableWebGL === void 0 ? false : _ref3$enableWebGL,
|
|
_ref3$renderInteracti = _ref3.renderInteractiveForms,
|
|
renderInteractiveForms = _ref3$renderInteracti === void 0 ? false : _ref3$renderInteracti,
|
|
_ref3$transform = _ref3.transform,
|
|
transform = _ref3$transform === void 0 ? null : _ref3$transform,
|
|
_ref3$imageLayer = _ref3.imageLayer,
|
|
imageLayer = _ref3$imageLayer === void 0 ? null : _ref3$imageLayer,
|
|
_ref3$canvasFactory = _ref3.canvasFactory,
|
|
canvasFactory = _ref3$canvasFactory === void 0 ? null : _ref3$canvasFactory,
|
|
_ref3$background = _ref3.background,
|
|
background = _ref3$background === void 0 ? null : _ref3$background;
|
|
var stats = this._stats;
|
|
stats.time('Overall');
|
|
this.pendingCleanup = false;
|
|
var renderingIntent = intent === 'print' ? 'print' : 'display';
|
|
var canvasFactoryInstance = canvasFactory || new _display_utils.DOMCanvasFactory();
|
|
var webGLContext = new _webgl.WebGLContext({
|
|
enable: enableWebGL
|
|
});
|
|
|
|
if (!this.intentStates[renderingIntent]) {
|
|
this.intentStates[renderingIntent] = Object.create(null);
|
|
}
|
|
|
|
var intentState = this.intentStates[renderingIntent];
|
|
|
|
if (!intentState.displayReadyCapability) {
|
|
intentState.receivingOperatorList = true;
|
|
intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
|
|
intentState.operatorList = {
|
|
fnArray: [],
|
|
argsArray: [],
|
|
lastChunk: false
|
|
};
|
|
stats.time('Page Request');
|
|
|
|
this._transport.messageHandler.send('RenderPageRequest', {
|
|
pageIndex: this.pageNumber - 1,
|
|
intent: renderingIntent,
|
|
renderInteractiveForms: renderInteractiveForms === true
|
|
});
|
|
}
|
|
|
|
var complete = function complete(error) {
|
|
var i = intentState.renderTasks.indexOf(internalRenderTask);
|
|
|
|
if (i >= 0) {
|
|
intentState.renderTasks.splice(i, 1);
|
|
}
|
|
|
|
if (_this5.cleanupAfterRender || renderingIntent === 'print') {
|
|
_this5.pendingCleanup = true;
|
|
}
|
|
|
|
_this5._tryCleanup();
|
|
|
|
if (error) {
|
|
internalRenderTask.capability.reject(error);
|
|
} else {
|
|
internalRenderTask.capability.resolve();
|
|
}
|
|
|
|
stats.timeEnd('Rendering');
|
|
stats.timeEnd('Overall');
|
|
};
|
|
|
|
var internalRenderTask = new InternalRenderTask({
|
|
callback: complete,
|
|
params: {
|
|
canvasContext: canvasContext,
|
|
viewport: viewport,
|
|
transform: transform,
|
|
imageLayer: imageLayer,
|
|
background: background
|
|
},
|
|
objs: this.objs,
|
|
commonObjs: this.commonObjs,
|
|
operatorList: intentState.operatorList,
|
|
pageNumber: this.pageNumber,
|
|
canvasFactory: canvasFactoryInstance,
|
|
webGLContext: webGLContext,
|
|
useRequestAnimationFrame: renderingIntent !== 'print',
|
|
pdfBug: this._pdfBug
|
|
});
|
|
|
|
if (!intentState.renderTasks) {
|
|
intentState.renderTasks = [];
|
|
}
|
|
|
|
intentState.renderTasks.push(internalRenderTask);
|
|
var renderTask = internalRenderTask.task;
|
|
intentState.displayReadyCapability.promise.then(function (transparency) {
|
|
if (_this5.pendingCleanup) {
|
|
complete();
|
|
return;
|
|
}
|
|
|
|
stats.time('Rendering');
|
|
internalRenderTask.initializeGraphics(transparency);
|
|
internalRenderTask.operatorListChanged();
|
|
})["catch"](complete);
|
|
return renderTask;
|
|
}
|
|
}, {
|
|
key: "getOperatorList",
|
|
value: function getOperatorList() {
|
|
function operatorListChanged() {
|
|
if (intentState.operatorList.lastChunk) {
|
|
intentState.opListReadCapability.resolve(intentState.operatorList);
|
|
var i = intentState.renderTasks.indexOf(opListTask);
|
|
|
|
if (i >= 0) {
|
|
intentState.renderTasks.splice(i, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
var renderingIntent = 'oplist';
|
|
|
|
if (!this.intentStates[renderingIntent]) {
|
|
this.intentStates[renderingIntent] = Object.create(null);
|
|
}
|
|
|
|
var intentState = this.intentStates[renderingIntent];
|
|
var opListTask;
|
|
|
|
if (!intentState.opListReadCapability) {
|
|
opListTask = {};
|
|
opListTask.operatorListChanged = operatorListChanged;
|
|
intentState.receivingOperatorList = true;
|
|
intentState.opListReadCapability = (0, _util.createPromiseCapability)();
|
|
intentState.renderTasks = [];
|
|
intentState.renderTasks.push(opListTask);
|
|
intentState.operatorList = {
|
|
fnArray: [],
|
|
argsArray: [],
|
|
lastChunk: false
|
|
};
|
|
|
|
this._stats.time('Page Request');
|
|
|
|
this._transport.messageHandler.send('RenderPageRequest', {
|
|
pageIndex: this.pageIndex,
|
|
intent: renderingIntent
|
|
});
|
|
}
|
|
|
|
return intentState.opListReadCapability.promise;
|
|
}
|
|
}, {
|
|
key: "streamTextContent",
|
|
value: function streamTextContent() {
|
|
var _ref4 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
|
|
_ref4$normalizeWhites = _ref4.normalizeWhitespace,
|
|
normalizeWhitespace = _ref4$normalizeWhites === void 0 ? false : _ref4$normalizeWhites,
|
|
_ref4$disableCombineT = _ref4.disableCombineTextItems,
|
|
disableCombineTextItems = _ref4$disableCombineT === void 0 ? false : _ref4$disableCombineT;
|
|
|
|
var TEXT_CONTENT_CHUNK_SIZE = 100;
|
|
return this._transport.messageHandler.sendWithStream('GetTextContent', {
|
|
pageIndex: this.pageNumber - 1,
|
|
normalizeWhitespace: normalizeWhitespace === true,
|
|
combineTextItems: disableCombineTextItems !== true
|
|
}, {
|
|
highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
|
|
size: function size(textContent) {
|
|
return textContent.items.length;
|
|
}
|
|
});
|
|
}
|
|
}, {
|
|
key: "getTextContent",
|
|
value: function getTextContent() {
|
|
var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
|
|
var readableStream = this.streamTextContent(params);
|
|
return new Promise(function (resolve, reject) {
|
|
function pump() {
|
|
reader.read().then(function (_ref5) {
|
|
var _textContent$items;
|
|
|
|
var value = _ref5.value,
|
|
done = _ref5.done;
|
|
|
|
if (done) {
|
|
resolve(textContent);
|
|
return;
|
|
}
|
|
|
|
Object.assign(textContent.styles, value.styles);
|
|
|
|
(_textContent$items = textContent.items).push.apply(_textContent$items, _toConsumableArray(value.items));
|
|
|
|
pump();
|
|
}, reject);
|
|
}
|
|
|
|
var reader = readableStream.getReader();
|
|
var textContent = {
|
|
items: [],
|
|
styles: Object.create(null)
|
|
};
|
|
pump();
|
|
});
|
|
}
|
|
}, {
|
|
key: "_destroy",
|
|
value: function _destroy() {
|
|
this.destroyed = true;
|
|
this._transport.pageCache[this.pageIndex] = null;
|
|
var waitOn = [];
|
|
Object.keys(this.intentStates).forEach(function (intent) {
|
|
if (intent === 'oplist') {
|
|
return;
|
|
}
|
|
|
|
var intentState = this.intentStates[intent];
|
|
intentState.renderTasks.forEach(function (renderTask) {
|
|
var renderCompleted = renderTask.capability.promise["catch"](function () {});
|
|
waitOn.push(renderCompleted);
|
|
renderTask.cancel();
|
|
});
|
|
}, this);
|
|
this.objs.clear();
|
|
this.annotationsPromise = null;
|
|
this.pendingCleanup = false;
|
|
return Promise.all(waitOn);
|
|
}
|
|
}, {
|
|
key: "cleanup",
|
|
value: function cleanup() {
|
|
var resetStats = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
|
|
this.pendingCleanup = true;
|
|
|
|
this._tryCleanup(resetStats);
|
|
}
|
|
}, {
|
|
key: "_tryCleanup",
|
|
value: function _tryCleanup() {
|
|
var resetStats = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
|
|
|
|
if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) {
|
|
var intentState = this.intentStates[intent];
|
|
return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList;
|
|
}, this)) {
|
|
return;
|
|
}
|
|
|
|
Object.keys(this.intentStates).forEach(function (intent) {
|
|
delete this.intentStates[intent];
|
|
}, this);
|
|
this.objs.clear();
|
|
this.annotationsPromise = null;
|
|
|
|
if (resetStats && this._stats instanceof _display_utils.StatTimer) {
|
|
this._stats = new _display_utils.StatTimer();
|
|
}
|
|
|
|
this.pendingCleanup = false;
|
|
}
|
|
}, {
|
|
key: "_startRenderPage",
|
|
value: function _startRenderPage(transparency, intent) {
|
|
var intentState = this.intentStates[intent];
|
|
|
|
if (intentState.displayReadyCapability) {
|
|
intentState.displayReadyCapability.resolve(transparency);
|
|
}
|
|
}
|
|
}, {
|
|
key: "_renderPageChunk",
|
|
value: function _renderPageChunk(operatorListChunk, intent) {
|
|
var intentState = this.intentStates[intent];
|
|
|
|
for (var 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 (var _i = 0; _i < intentState.renderTasks.length; _i++) {
|
|
intentState.renderTasks[_i].operatorListChanged();
|
|
}
|
|
|
|
if (operatorListChunk.lastChunk) {
|
|
intentState.receivingOperatorList = false;
|
|
|
|
this._tryCleanup();
|
|
}
|
|
}
|
|
}, {
|
|
key: "pageNumber",
|
|
get: function get() {
|
|
return this.pageIndex + 1;
|
|
}
|
|
}, {
|
|
key: "rotate",
|
|
get: function get() {
|
|
return this._pageInfo.rotate;
|
|
}
|
|
}, {
|
|
key: "ref",
|
|
get: function get() {
|
|
return this._pageInfo.ref;
|
|
}
|
|
}, {
|
|
key: "userUnit",
|
|
get: function get() {
|
|
return this._pageInfo.userUnit;
|
|
}
|
|
}, {
|
|
key: "view",
|
|
get: function get() {
|
|
return this._pageInfo.view;
|
|
}
|
|
}, {
|
|
key: "stats",
|
|
get: function get() {
|
|
return this._stats instanceof _display_utils.StatTimer ? this._stats : null;
|
|
}
|
|
}]);
|
|
|
|
return PDFPageProxy;
|
|
}();
|
|
|
|
exports.PDFPageProxy = PDFPageProxy;
|
|
|
|
var LoopbackPort =
|
|
/*#__PURE__*/
|
|
function () {
|
|
function LoopbackPort() {
|
|
var defer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
|
|
|
|
_classCallCheck(this, LoopbackPort);
|
|
|
|
this._listeners = [];
|
|
this._defer = defer;
|
|
this._deferred = Promise.resolve(undefined);
|
|
}
|
|
|
|
_createClass(LoopbackPort, [{
|
|
key: "postMessage",
|
|
value: function postMessage(obj, transfers) {
|
|
var _this6 = this;
|
|
|
|
function cloneValue(value) {
|
|
if (_typeof(value) !== 'object' || value === null) {
|
|
return value;
|
|
}
|
|
|
|
if (cloned.has(value)) {
|
|
return cloned.get(value);
|
|
}
|
|
|
|
var buffer, result;
|
|
|
|
if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) {
|
|
var transferable = transfers && transfers.includes(buffer);
|
|
|
|
if (value === buffer) {
|
|
result = value;
|
|
} else if (transferable) {
|
|
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 (var i in value) {
|
|
var desc = void 0,
|
|
p = value;
|
|
|
|
while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
|
|
p = Object.getPrototypeOf(p);
|
|
}
|
|
|
|
if (typeof desc.value === 'undefined' || typeof desc.value === 'function') {
|
|
continue;
|
|
}
|
|
|
|
result[i] = cloneValue(desc.value);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
if (!this._defer) {
|
|
this._listeners.forEach(function (listener) {
|
|
listener.call(this, {
|
|
data: obj
|
|
});
|
|
}, this);
|
|
|
|
return;
|
|
}
|
|
|
|
var cloned = new WeakMap();
|
|
var e = {
|
|
data: cloneValue(obj)
|
|
};
|
|
|
|
this._deferred.then(function () {
|
|
_this6._listeners.forEach(function (listener) {
|
|
listener.call(this, e);
|
|
}, _this6);
|
|
});
|
|
}
|
|
}, {
|
|
key: "addEventListener",
|
|
value: function addEventListener(name, listener) {
|
|
this._listeners.push(listener);
|
|
}
|
|
}, {
|
|
key: "removeEventListener",
|
|
value: function removeEventListener(name, listener) {
|
|
var i = this._listeners.indexOf(listener);
|
|
|
|
this._listeners.splice(i, 1);
|
|
}
|
|
}, {
|
|
key: "terminate",
|
|
value: function terminate() {
|
|
this._listeners.length = 0;
|
|
}
|
|
}]);
|
|
|
|
return LoopbackPort;
|
|
}();
|
|
|
|
exports.LoopbackPort = LoopbackPort;
|
|
|
|
var PDFWorker = function PDFWorkerClosure() {
|
|
var pdfWorkerPorts = new WeakMap();
|
|
var nextFakeWorkerId = 0;
|
|
var fakeWorkerFilesLoadedCapability;
|
|
|
|
function _getWorkerSrc() {
|
|
if (_worker_options.GlobalWorkerOptions.workerSrc) {
|
|
return _worker_options.GlobalWorkerOptions.workerSrc;
|
|
}
|
|
|
|
if (typeof fallbackWorkerSrc !== 'undefined') {
|
|
return fallbackWorkerSrc;
|
|
}
|
|
|
|
throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
|
|
}
|
|
|
|
function getMainThreadWorkerMessageHandler() {
|
|
try {
|
|
if (typeof window !== 'undefined') {
|
|
return window.pdfjsWorker && window.pdfjsWorker.WorkerMessageHandler;
|
|
}
|
|
} catch (ex) {}
|
|
|
|
return null;
|
|
}
|
|
|
|
function setupFakeWorkerGlobal() {
|
|
if (fakeWorkerFilesLoadedCapability) {
|
|
return fakeWorkerFilesLoadedCapability.promise;
|
|
}
|
|
|
|
fakeWorkerFilesLoadedCapability = (0, _util.createPromiseCapability)();
|
|
var mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();
|
|
|
|
if (mainWorkerMessageHandler) {
|
|
fakeWorkerFilesLoadedCapability.resolve(mainWorkerMessageHandler);
|
|
return fakeWorkerFilesLoadedCapability.promise;
|
|
}
|
|
|
|
var loader = fakeWorkerFilesLoader || function () {
|
|
return (0, _display_utils.loadScript)(_getWorkerSrc()).then(function () {
|
|
return window.pdfjsWorker.WorkerMessageHandler;
|
|
});
|
|
};
|
|
|
|
loader().then(fakeWorkerFilesLoadedCapability.resolve, fakeWorkerFilesLoadedCapability.reject);
|
|
return fakeWorkerFilesLoadedCapability.promise;
|
|
}
|
|
|
|
function createCDNWrapper(url) {
|
|
var wrapper = 'importScripts(\'' + url + '\');';
|
|
return _util.URL.createObjectURL(new Blob([wrapper]));
|
|
}
|
|
|
|
var PDFWorker =
|
|
/*#__PURE__*/
|
|
function () {
|
|
function PDFWorker() {
|
|
var _ref6 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
|
|
_ref6$name = _ref6.name,
|
|
name = _ref6$name === void 0 ? null : _ref6$name,
|
|
_ref6$port = _ref6.port,
|
|
port = _ref6$port === void 0 ? null : _ref6$port,
|
|
_ref6$postMessageTran = _ref6.postMessageTransfers,
|
|
postMessageTransfers = _ref6$postMessageTran === void 0 ? true : _ref6$postMessageTran,
|
|
_ref6$verbosity = _ref6.verbosity,
|
|
verbosity = _ref6$verbosity === void 0 ? (0, _util.getVerbosityLevel)() : _ref6$verbosity;
|
|
|
|
_classCallCheck(this, PDFWorker);
|
|
|
|
if (port && pdfWorkerPorts.has(port)) {
|
|
throw new Error('Cannot use more than one PDFWorker per port');
|
|
}
|
|
|
|
this.name = name;
|
|
this.destroyed = false;
|
|
this.postMessageTransfers = postMessageTransfers !== false;
|
|
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();
|
|
}
|
|
|
|
_createClass(PDFWorker, [{
|
|
key: "_initializeFromPort",
|
|
value: function _initializeFromPort(port) {
|
|
this._port = port;
|
|
this._messageHandler = new _message_handler.MessageHandler('main', 'worker', port);
|
|
|
|
this._messageHandler.on('ready', function () {});
|
|
|
|
this._readyCapability.resolve();
|
|
}
|
|
}, {
|
|
key: "_initialize",
|
|
value: function _initialize() {
|
|
var _this7 = this;
|
|
|
|
if (typeof Worker !== 'undefined' && !isWorkerDisabled && !getMainThreadWorkerMessageHandler()) {
|
|
var workerSrc = _getWorkerSrc();
|
|
|
|
try {
|
|
if (!(0, _util.isSameOrigin)(window.location.href, workerSrc)) {
|
|
workerSrc = createCDNWrapper(new _util.URL(workerSrc, window.location).href);
|
|
}
|
|
|
|
var worker = new Worker(workerSrc);
|
|
var messageHandler = new _message_handler.MessageHandler('main', 'worker', worker);
|
|
|
|
var terminateEarly = function terminateEarly() {
|
|
worker.removeEventListener('error', onWorkerError);
|
|
messageHandler.destroy();
|
|
worker.terminate();
|
|
|
|
if (_this7.destroyed) {
|
|
_this7._readyCapability.reject(new Error('Worker was destroyed'));
|
|
} else {
|
|
_this7._setupFakeWorker();
|
|
}
|
|
};
|
|
|
|
var onWorkerError = function onWorkerError() {
|
|
if (!_this7._webWorker) {
|
|
terminateEarly();
|
|
}
|
|
};
|
|
|
|
worker.addEventListener('error', onWorkerError);
|
|
messageHandler.on('test', function (data) {
|
|
worker.removeEventListener('error', onWorkerError);
|
|
|
|
if (_this7.destroyed) {
|
|
terminateEarly();
|
|
return;
|
|
}
|
|
|
|
if (data && data.supportTypedArray) {
|
|
_this7._messageHandler = messageHandler;
|
|
_this7._port = worker;
|
|
_this7._webWorker = worker;
|
|
|
|
if (!data.supportTransfers) {
|
|
_this7.postMessageTransfers = false;
|
|
}
|
|
|
|
_this7._readyCapability.resolve();
|
|
|
|
messageHandler.send('configure', {
|
|
verbosity: _this7.verbosity
|
|
});
|
|
} else {
|
|
_this7._setupFakeWorker();
|
|
|
|
messageHandler.destroy();
|
|
worker.terminate();
|
|
}
|
|
});
|
|
messageHandler.on('ready', function (data) {
|
|
worker.removeEventListener('error', onWorkerError);
|
|
|
|
if (_this7.destroyed) {
|
|
terminateEarly();
|
|
return;
|
|
}
|
|
|
|
try {
|
|
sendTest();
|
|
} catch (e) {
|
|
_this7._setupFakeWorker();
|
|
}
|
|
});
|
|
|
|
var sendTest = function sendTest() {
|
|
var testObj = new Uint8Array([_this7.postMessageTransfers ? 255 : 0]);
|
|
|
|
try {
|
|
messageHandler.send('test', testObj, [testObj.buffer]);
|
|
} catch (ex) {
|
|
(0, _util.info)('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();
|
|
}
|
|
}, {
|
|
key: "_setupFakeWorker",
|
|
value: function _setupFakeWorker() {
|
|
var _this8 = this;
|
|
|
|
if (!isWorkerDisabled) {
|
|
(0, _util.warn)('Setting up fake worker.');
|
|
isWorkerDisabled = true;
|
|
}
|
|
|
|
setupFakeWorkerGlobal().then(function (WorkerMessageHandler) {
|
|
if (_this8.destroyed) {
|
|
_this8._readyCapability.reject(new Error('Worker was destroyed'));
|
|
|
|
return;
|
|
}
|
|
|
|
var port = new LoopbackPort();
|
|
_this8._port = port;
|
|
var id = 'fake' + nextFakeWorkerId++;
|
|
var workerHandler = new _message_handler.MessageHandler(id + '_worker', id, port);
|
|
WorkerMessageHandler.setup(workerHandler, port);
|
|
var messageHandler = new _message_handler.MessageHandler(id, id + '_worker', port);
|
|
_this8._messageHandler = messageHandler;
|
|
|
|
_this8._readyCapability.resolve();
|
|
})["catch"](function (reason) {
|
|
_this8._readyCapability.reject(new Error("Setting up fake worker failed: \"".concat(reason.message, "\".")));
|
|
});
|
|
}
|
|
}, {
|
|
key: "destroy",
|
|
value: function 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;
|
|
}
|
|
}
|
|
}, {
|
|
key: "promise",
|
|
get: function get() {
|
|
return this._readyCapability.promise;
|
|
}
|
|
}, {
|
|
key: "port",
|
|
get: function get() {
|
|
return this._port;
|
|
}
|
|
}, {
|
|
key: "messageHandler",
|
|
get: function get() {
|
|
return this._messageHandler;
|
|
}
|
|
}], [{
|
|
key: "fromPort",
|
|
value: function 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);
|
|
}
|
|
}, {
|
|
key: "getWorkerSrc",
|
|
value: function getWorkerSrc() {
|
|
return _getWorkerSrc();
|
|
}
|
|
}]);
|
|
|
|
return PDFWorker;
|
|
}();
|
|
|
|
return PDFWorker;
|
|
}();
|
|
|
|
exports.PDFWorker = PDFWorker;
|
|
|
|
var WorkerTransport =
|
|
/*#__PURE__*/
|
|
function () {
|
|
function WorkerTransport(messageHandler, loadingTask, networkStream, params) {
|
|
_classCallCheck(this, WorkerTransport);
|
|
|
|
this.messageHandler = messageHandler;
|
|
this.loadingTask = loadingTask;
|
|
this.commonObjs = new PDFObjects();
|
|
this.fontLoader = new _font_loader.FontLoader({
|
|
docId: loadingTask.docId,
|
|
onUnsupportedFeature: this._onUnsupportedFeature.bind(this)
|
|
});
|
|
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();
|
|
}
|
|
|
|
_createClass(WorkerTransport, [{
|
|
key: "destroy",
|
|
value: function destroy() {
|
|
var _this9 = this;
|
|
|
|
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'));
|
|
}
|
|
|
|
var waitOn = [];
|
|
this.pageCache.forEach(function (page) {
|
|
if (page) {
|
|
waitOn.push(page._destroy());
|
|
}
|
|
});
|
|
this.pageCache.length = 0;
|
|
this.pagePromises.length = 0;
|
|
var terminated = this.messageHandler.sendWithPromise('Terminate', null);
|
|
waitOn.push(terminated);
|
|
Promise.all(waitOn).then(function () {
|
|
_this9.fontLoader.clear();
|
|
|
|
if (_this9._networkStream) {
|
|
_this9._networkStream.cancelAllRequests();
|
|
}
|
|
|
|
if (_this9.messageHandler) {
|
|
_this9.messageHandler.destroy();
|
|
|
|
_this9.messageHandler = null;
|
|
}
|
|
|
|
_this9.destroyCapability.resolve();
|
|
}, this.destroyCapability.reject);
|
|
return this.destroyCapability.promise;
|
|
}
|
|
}, {
|
|
key: "setupMessageHandler",
|
|
value: function setupMessageHandler() {
|
|
var messageHandler = this.messageHandler,
|
|
loadingTask = this.loadingTask;
|
|
messageHandler.on('GetReader', function (data, sink) {
|
|
var _this10 = this;
|
|
|
|
(0, _util.assert)(this._networkStream);
|
|
this._fullReader = this._networkStream.getFullReader();
|
|
|
|
this._fullReader.onProgress = function (evt) {
|
|
_this10._lastProgress = {
|
|
loaded: evt.loaded,
|
|
total: evt.total
|
|
};
|
|
};
|
|
|
|
sink.onPull = function () {
|
|
_this10._fullReader.read().then(function (_ref7) {
|
|
var value = _ref7.value,
|
|
done = _ref7.done;
|
|
|
|
if (done) {
|
|
sink.close();
|
|
return;
|
|
}
|
|
|
|
(0, _util.assert)((0, _util.isArrayBuffer)(value));
|
|
sink.enqueue(new Uint8Array(value), 1, [value]);
|
|
})["catch"](function (reason) {
|
|
sink.error(reason);
|
|
});
|
|
};
|
|
|
|
sink.onCancel = function (reason) {
|
|
_this10._fullReader.cancel(reason);
|
|
};
|
|
}, this);
|
|
messageHandler.on('ReaderHeadersReady', function (data) {
|
|
var _this11 = this;
|
|
|
|
var headersCapability = (0, _util.createPromiseCapability)();
|
|
var fullReader = this._fullReader;
|
|
fullReader.headersReady.then(function () {
|
|
if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
|
|
if (_this11._lastProgress && loadingTask.onProgress) {
|
|
loadingTask.onProgress(_this11._lastProgress);
|
|
}
|
|
|
|
fullReader.onProgress = function (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;
|
|
}, this);
|
|
messageHandler.on('GetRangeReader', function (data, sink) {
|
|
(0, _util.assert)(this._networkStream);
|
|
|
|
var rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
|
|
|
|
if (!rangeReader) {
|
|
sink.close();
|
|
return;
|
|
}
|
|
|
|
sink.onPull = function () {
|
|
rangeReader.read().then(function (_ref8) {
|
|
var value = _ref8.value,
|
|
done = _ref8.done;
|
|
|
|
if (done) {
|
|
sink.close();
|
|
return;
|
|
}
|
|
|
|
(0, _util.assert)((0, _util.isArrayBuffer)(value));
|
|
sink.enqueue(new Uint8Array(value), 1, [value]);
|
|
})["catch"](function (reason) {
|
|
sink.error(reason);
|
|
});
|
|
};
|
|
|
|
sink.onCancel = function (reason) {
|
|
rangeReader.cancel(reason);
|
|
};
|
|
}, this);
|
|
messageHandler.on('GetDoc', function (_ref9) {
|
|
var pdfInfo = _ref9.pdfInfo;
|
|
this._numPages = pdfInfo.numPages;
|
|
|
|
loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));
|
|
}, this);
|
|
messageHandler.on('PasswordRequest', function (exception) {
|
|
var _this12 = this;
|
|
|
|
this._passwordCapability = (0, _util.createPromiseCapability)();
|
|
|
|
if (loadingTask.onPassword) {
|
|
var updatePassword = function updatePassword(password) {
|
|
_this12._passwordCapability.resolve({
|
|
password: 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;
|
|
}, this);
|
|
messageHandler.on('PasswordException', function (exception) {
|
|
loadingTask._capability.reject(new _util.PasswordException(exception.message, exception.code));
|
|
}, this);
|
|
messageHandler.on('InvalidPDF', function (exception) {
|
|
loadingTask._capability.reject(new _util.InvalidPDFException(exception.message));
|
|
}, this);
|
|
messageHandler.on('MissingPDF', function (exception) {
|
|
loadingTask._capability.reject(new _util.MissingPDFException(exception.message));
|
|
}, this);
|
|
messageHandler.on('UnexpectedResponse', function (exception) {
|
|
loadingTask._capability.reject(new _util.UnexpectedResponseException(exception.message, exception.status));
|
|
}, this);
|
|
messageHandler.on('UnknownError', function (exception) {
|
|
loadingTask._capability.reject(new _util.UnknownErrorException(exception.message, exception.details));
|
|
}, this);
|
|
messageHandler.on('DataLoaded', function (data) {
|
|
if (loadingTask.onProgress) {
|
|
loadingTask.onProgress({
|
|
loaded: data.length,
|
|
total: data.length
|
|
});
|
|
}
|
|
|
|
this.downloadInfoCapability.resolve(data);
|
|
}, this);
|
|
messageHandler.on('StartRenderPage', function (data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
var page = this.pageCache[data.pageIndex];
|
|
|
|
page._stats.timeEnd('Page Request');
|
|
|
|
page._startRenderPage(data.transparency, data.intent);
|
|
}, this);
|
|
messageHandler.on('RenderPageChunk', function (data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
var page = this.pageCache[data.pageIndex];
|
|
|
|
page._renderPageChunk(data.operatorList, data.intent);
|
|
}, this);
|
|
messageHandler.on('commonobj', function (data) {
|
|
var _this13 = this;
|
|
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
var _data = _slicedToArray(data, 3),
|
|
id = _data[0],
|
|
type = _data[1],
|
|
exportedData = _data[2];
|
|
|
|
if (this.commonObjs.has(id)) {
|
|
return;
|
|
}
|
|
|
|
switch (type) {
|
|
case 'Font':
|
|
var params = this._params;
|
|
|
|
if ('error' in exportedData) {
|
|
var exportedError = exportedData.error;
|
|
(0, _util.warn)("Error during font loading: ".concat(exportedError));
|
|
this.commonObjs.resolve(id, exportedError);
|
|
break;
|
|
}
|
|
|
|
var fontRegistry = null;
|
|
|
|
if (params.pdfBug && _global_scope["default"].FontInspector && _global_scope["default"].FontInspector.enabled) {
|
|
fontRegistry = {
|
|
registerFont: function registerFont(font, url) {
|
|
_global_scope["default"]['FontInspector'].fontAdded(font, url);
|
|
}
|
|
};
|
|
}
|
|
|
|
var font = new _font_loader.FontFaceObject(exportedData, {
|
|
isEvalSupported: params.isEvalSupported,
|
|
disableFontFace: params.disableFontFace,
|
|
ignoreErrors: params.ignoreErrors,
|
|
onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
|
|
fontRegistry: fontRegistry
|
|
});
|
|
this.fontLoader.bind(font).then(function () {
|
|
_this13.commonObjs.resolve(id, font);
|
|
}, function (reason) {
|
|
messageHandler.sendWithPromise('FontFallback', {
|
|
id: id
|
|
})["finally"](function () {
|
|
_this13.commonObjs.resolve(id, font);
|
|
});
|
|
});
|
|
break;
|
|
|
|
case 'FontPath':
|
|
case 'FontType3Res':
|
|
this.commonObjs.resolve(id, exportedData);
|
|
break;
|
|
|
|
default:
|
|
throw new Error("Got unknown common object type ".concat(type));
|
|
}
|
|
}, this);
|
|
messageHandler.on('obj', function (data) {
|
|
if (this.destroyed) {
|
|
return undefined;
|
|
}
|
|
|
|
var _data2 = _slicedToArray(data, 4),
|
|
id = _data2[0],
|
|
pageIndex = _data2[1],
|
|
type = _data2[2],
|
|
imageData = _data2[3];
|
|
|
|
var pageProxy = this.pageCache[pageIndex];
|
|
|
|
if (pageProxy.objs.has(id)) {
|
|
return undefined;
|
|
}
|
|
|
|
switch (type) {
|
|
case 'JpegStream':
|
|
return new Promise(function (resolve, reject) {
|
|
var img = new Image();
|
|
|
|
img.onload = function () {
|
|
resolve(img);
|
|
};
|
|
|
|
img.onerror = function () {
|
|
reject(new Error('Error during JPEG image loading'));
|
|
(0, _display_utils.releaseImageResources)(img);
|
|
};
|
|
|
|
img.src = imageData;
|
|
}).then(function (img) {
|
|
pageProxy.objs.resolve(id, img);
|
|
});
|
|
|
|
case 'Image':
|
|
pageProxy.objs.resolve(id, imageData);
|
|
var MAX_IMAGE_SIZE_TO_STORE = 8000000;
|
|
|
|
if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
|
|
pageProxy.cleanupAfterRender = true;
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
throw new Error("Got unknown object type ".concat(type));
|
|
}
|
|
|
|
return undefined;
|
|
}, this);
|
|
messageHandler.on('DocProgress', function (data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
if (loadingTask.onProgress) {
|
|
loadingTask.onProgress({
|
|
loaded: data.loaded,
|
|
total: data.total
|
|
});
|
|
}
|
|
}, this);
|
|
messageHandler.on('PageError', function (data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
var page = this.pageCache[data.pageIndex];
|
|
var intentState = page.intentStates[data.intent];
|
|
|
|
if (intentState.displayReadyCapability) {
|
|
intentState.displayReadyCapability.reject(new Error(data.error));
|
|
} else {
|
|
throw new Error(data.error);
|
|
}
|
|
|
|
if (intentState.operatorList) {
|
|
intentState.operatorList.lastChunk = true;
|
|
|
|
for (var i = 0; i < intentState.renderTasks.length; i++) {
|
|
intentState.renderTasks[i].operatorListChanged();
|
|
}
|
|
}
|
|
}, this);
|
|
messageHandler.on('UnsupportedFeature', this._onUnsupportedFeature, this);
|
|
messageHandler.on('JpegDecode', function (data) {
|
|
if (this.destroyed) {
|
|
return Promise.reject(new Error('Worker was destroyed'));
|
|
}
|
|
|
|
if (typeof document === 'undefined') {
|
|
return Promise.reject(new Error('"document" is not defined.'));
|
|
}
|
|
|
|
var _data3 = _slicedToArray(data, 2),
|
|
imageUrl = _data3[0],
|
|
components = _data3[1];
|
|
|
|
if (components !== 3 && components !== 1) {
|
|
return Promise.reject(new Error('Only 3 components or 1 component can be returned'));
|
|
}
|
|
|
|
return new Promise(function (resolve, reject) {
|
|
var img = new Image();
|
|
|
|
img.onload = function () {
|
|
var width = img.width,
|
|
height = img.height;
|
|
var size = width * height;
|
|
var rgbaLength = size * 4;
|
|
var buf = new Uint8ClampedArray(size * components);
|
|
var tmpCanvas = document.createElement('canvas');
|
|
tmpCanvas.width = width;
|
|
tmpCanvas.height = height;
|
|
var tmpCtx = tmpCanvas.getContext('2d');
|
|
tmpCtx.drawImage(img, 0, 0);
|
|
var data = tmpCtx.getImageData(0, 0, width, height).data;
|
|
|
|
if (components === 3) {
|
|
for (var i = 0, j = 0; i < rgbaLength; i += 4, j += 3) {
|
|
buf[j] = data[i];
|
|
buf[j + 1] = data[i + 1];
|
|
buf[j + 2] = data[i + 2];
|
|
}
|
|
} else if (components === 1) {
|
|
for (var _i2 = 0, _j = 0; _i2 < rgbaLength; _i2 += 4, _j++) {
|
|
buf[_j] = data[_i2];
|
|
}
|
|
}
|
|
|
|
resolve({
|
|
data: buf,
|
|
width: width,
|
|
height: height
|
|
});
|
|
(0, _display_utils.releaseImageResources)(img);
|
|
tmpCanvas.width = 0;
|
|
tmpCanvas.height = 0;
|
|
tmpCanvas = null;
|
|
tmpCtx = null;
|
|
};
|
|
|
|
img.onerror = function () {
|
|
reject(new Error('JpegDecode failed to load image'));
|
|
(0, _display_utils.releaseImageResources)(img);
|
|
};
|
|
|
|
img.src = imageUrl;
|
|
});
|
|
}, this);
|
|
messageHandler.on('FetchBuiltInCMap', function (data) {
|
|
if (this.destroyed) {
|
|
return Promise.reject(new Error('Worker was destroyed'));
|
|
}
|
|
|
|
return this.CMapReaderFactory.fetch({
|
|
name: data.name
|
|
});
|
|
}, this);
|
|
}
|
|
}, {
|
|
key: "_onUnsupportedFeature",
|
|
value: function _onUnsupportedFeature(_ref10) {
|
|
var featureId = _ref10.featureId;
|
|
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
if (this.loadingTask.onUnsupportedFeature) {
|
|
this.loadingTask.onUnsupportedFeature(featureId);
|
|
}
|
|
}
|
|
}, {
|
|
key: "getData",
|
|
value: function getData() {
|
|
return this.messageHandler.sendWithPromise('GetData', null);
|
|
}
|
|
}, {
|
|
key: "getPage",
|
|
value: function getPage(pageNumber) {
|
|
var _this14 = this;
|
|
|
|
if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
|
|
return Promise.reject(new Error('Invalid page request'));
|
|
}
|
|
|
|
var pageIndex = pageNumber - 1;
|
|
|
|
if (pageIndex in this.pagePromises) {
|
|
return this.pagePromises[pageIndex];
|
|
}
|
|
|
|
var promise = this.messageHandler.sendWithPromise('GetPage', {
|
|
pageIndex: pageIndex
|
|
}).then(function (pageInfo) {
|
|
if (_this14.destroyed) {
|
|
throw new Error('Transport destroyed');
|
|
}
|
|
|
|
var page = new PDFPageProxy(pageIndex, pageInfo, _this14, _this14._params.pdfBug);
|
|
_this14.pageCache[pageIndex] = page;
|
|
return page;
|
|
});
|
|
this.pagePromises[pageIndex] = promise;
|
|
return promise;
|
|
}
|
|
}, {
|
|
key: "getPageIndex",
|
|
value: function getPageIndex(ref) {
|
|
return this.messageHandler.sendWithPromise('GetPageIndex', {
|
|
ref: ref
|
|
})["catch"](function (reason) {
|
|
return Promise.reject(new Error(reason));
|
|
});
|
|
}
|
|
}, {
|
|
key: "getAnnotations",
|
|
value: function getAnnotations(pageIndex, intent) {
|
|
return this.messageHandler.sendWithPromise('GetAnnotations', {
|
|
pageIndex: pageIndex,
|
|
intent: intent
|
|
});
|
|
}
|
|
}, {
|
|
key: "getDestinations",
|
|
value: function getDestinations() {
|
|
return this.messageHandler.sendWithPromise('GetDestinations', null);
|
|
}
|
|
}, {
|
|
key: "getDestination",
|
|
value: function getDestination(id) {
|
|
if (typeof id !== 'string') {
|
|
return Promise.reject(new Error('Invalid destination request.'));
|
|
}
|
|
|
|
return this.messageHandler.sendWithPromise('GetDestination', {
|
|
id: id
|
|
});
|
|
}
|
|
}, {
|
|
key: "getPageLabels",
|
|
value: function getPageLabels() {
|
|
return this.messageHandler.sendWithPromise('GetPageLabels', null);
|
|
}
|
|
}, {
|
|
key: "getPageLayout",
|
|
value: function getPageLayout() {
|
|
return this.messageHandler.sendWithPromise('GetPageLayout', null);
|
|
}
|
|
}, {
|
|
key: "getPageMode",
|
|
value: function getPageMode() {
|
|
return this.messageHandler.sendWithPromise('GetPageMode', null);
|
|
}
|
|
}, {
|
|
key: "getViewerPreferences",
|
|
value: function getViewerPreferences() {
|
|
return this.messageHandler.sendWithPromise('GetViewerPreferences', null);
|
|
}
|
|
}, {
|
|
key: "getOpenActionDestination",
|
|
value: function getOpenActionDestination() {
|
|
return this.messageHandler.sendWithPromise('GetOpenActionDestination', null);
|
|
}
|
|
}, {
|
|
key: "getAttachments",
|
|
value: function getAttachments() {
|
|
return this.messageHandler.sendWithPromise('GetAttachments', null);
|
|
}
|
|
}, {
|
|
key: "getJavaScript",
|
|
value: function getJavaScript() {
|
|
return this.messageHandler.sendWithPromise('GetJavaScript', null);
|
|
}
|
|
}, {
|
|
key: "getOutline",
|
|
value: function getOutline() {
|
|
return this.messageHandler.sendWithPromise('GetOutline', null);
|
|
}
|
|
}, {
|
|
key: "getPermissions",
|
|
value: function getPermissions() {
|
|
return this.messageHandler.sendWithPromise('GetPermissions', null);
|
|
}
|
|
}, {
|
|
key: "getMetadata",
|
|
value: function getMetadata() {
|
|
var _this15 = this;
|
|
|
|
return this.messageHandler.sendWithPromise('GetMetadata', null).then(function (results) {
|
|
return {
|
|
info: results[0],
|
|
metadata: results[1] ? new _metadata.Metadata(results[1]) : null,
|
|
contentDispositionFilename: _this15._fullReader ? _this15._fullReader.filename : null
|
|
};
|
|
});
|
|
}
|
|
}, {
|
|
key: "getStats",
|
|
value: function getStats() {
|
|
return this.messageHandler.sendWithPromise('GetStats', null);
|
|
}
|
|
}, {
|
|
key: "startCleanup",
|
|
value: function startCleanup() {
|
|
var _this16 = this;
|
|
|
|
this.messageHandler.sendWithPromise('Cleanup', null).then(function () {
|
|
for (var i = 0, ii = _this16.pageCache.length; i < ii; i++) {
|
|
var page = _this16.pageCache[i];
|
|
|
|
if (page) {
|
|
page.cleanup();
|
|
}
|
|
}
|
|
|
|
_this16.commonObjs.clear();
|
|
|
|
_this16.fontLoader.clear();
|
|
});
|
|
}
|
|
}, {
|
|
key: "loadingParams",
|
|
get: function get() {
|
|
var params = this._params;
|
|
return (0, _util.shadow)(this, 'loadingParams', {
|
|
disableAutoFetch: params.disableAutoFetch,
|
|
disableCreateObjectURL: params.disableCreateObjectURL,
|
|
disableFontFace: params.disableFontFace,
|
|
nativeImageDecoderSupport: params.nativeImageDecoderSupport
|
|
});
|
|
}
|
|
}]);
|
|
|
|
return WorkerTransport;
|
|
}();
|
|
|
|
var PDFObjects =
|
|
/*#__PURE__*/
|
|
function () {
|
|
function PDFObjects() {
|
|
_classCallCheck(this, PDFObjects);
|
|
|
|
this._objs = Object.create(null);
|
|
}
|
|
|
|
_createClass(PDFObjects, [{
|
|
key: "_ensureObj",
|
|
value: function _ensureObj(objId) {
|
|
if (this._objs[objId]) {
|
|
return this._objs[objId];
|
|
}
|
|
|
|
return this._objs[objId] = {
|
|
capability: (0, _util.createPromiseCapability)(),
|
|
data: null,
|
|
resolved: false
|
|
};
|
|
}
|
|
}, {
|
|
key: "get",
|
|
value: function get(objId) {
|
|
var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
|
|
|
|
if (callback) {
|
|
this._ensureObj(objId).capability.promise.then(callback);
|
|
|
|
return null;
|
|
}
|
|
|
|
var obj = this._objs[objId];
|
|
|
|
if (!obj || !obj.resolved) {
|
|
throw new Error("Requesting object that isn't resolved yet ".concat(objId, "."));
|
|
}
|
|
|
|
return obj.data;
|
|
}
|
|
}, {
|
|
key: "has",
|
|
value: function has(objId) {
|
|
var obj = this._objs[objId];
|
|
return obj ? obj.resolved : false;
|
|
}
|
|
}, {
|
|
key: "resolve",
|
|
value: function resolve(objId, data) {
|
|
var obj = this._ensureObj(objId);
|
|
|
|
obj.resolved = true;
|
|
obj.data = data;
|
|
obj.capability.resolve(data);
|
|
}
|
|
}, {
|
|
key: "clear",
|
|
value: function clear() {
|
|
for (var objId in this._objs) {
|
|
var data = this._objs[objId].data;
|
|
|
|
if (typeof Image !== 'undefined' && data instanceof Image) {
|
|
(0, _display_utils.releaseImageResources)(data);
|
|
}
|
|
}
|
|
|
|
this._objs = Object.create(null);
|
|
}
|
|
}]);
|
|
|
|
return PDFObjects;
|
|
}();
|
|
|
|
var RenderTask =
|
|
/*#__PURE__*/
|
|
function () {
|
|
function RenderTask(internalRenderTask) {
|
|
_classCallCheck(this, RenderTask);
|
|
|
|
this._internalRenderTask = internalRenderTask;
|
|
this.onContinue = null;
|
|
}
|
|
|
|
_createClass(RenderTask, [{
|
|
key: "cancel",
|
|
value: function cancel() {
|
|
this._internalRenderTask.cancel();
|
|
}
|
|
}, {
|
|
key: "then",
|
|
value: function then(onFulfilled, onRejected) {
|
|
(0, _display_utils.deprecated)('RenderTask.then method, use the `promise` getter instead.');
|
|
return this.promise.then.apply(this.promise, arguments);
|
|
}
|
|
}, {
|
|
key: "promise",
|
|
get: function get() {
|
|
return this._internalRenderTask.capability.promise;
|
|
}
|
|
}]);
|
|
|
|
return RenderTask;
|
|
}();
|
|
|
|
var InternalRenderTask = function InternalRenderTaskClosure() {
|
|
var canvasInRendering = new WeakSet();
|
|
|
|
var InternalRenderTask =
|
|
/*#__PURE__*/
|
|
function () {
|
|
function InternalRenderTask(_ref11) {
|
|
var callback = _ref11.callback,
|
|
params = _ref11.params,
|
|
objs = _ref11.objs,
|
|
commonObjs = _ref11.commonObjs,
|
|
operatorList = _ref11.operatorList,
|
|
pageNumber = _ref11.pageNumber,
|
|
canvasFactory = _ref11.canvasFactory,
|
|
webGLContext = _ref11.webGLContext,
|
|
_ref11$useRequestAnim = _ref11.useRequestAnimationFrame,
|
|
useRequestAnimationFrame = _ref11$useRequestAnim === void 0 ? false : _ref11$useRequestAnim,
|
|
_ref11$pdfBug = _ref11.pdfBug,
|
|
pdfBug = _ref11$pdfBug === void 0 ? false : _ref11$pdfBug;
|
|
|
|
_classCallCheck(this, InternalRenderTask);
|
|
|
|
this.callback = callback;
|
|
this.params = params;
|
|
this.objs = objs;
|
|
this.commonObjs = commonObjs;
|
|
this.operatorListIdx = null;
|
|
this.operatorList = operatorList;
|
|
this.pageNumber = pageNumber;
|
|
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;
|
|
}
|
|
|
|
_createClass(InternalRenderTask, [{
|
|
key: "initializeGraphics",
|
|
value: function initializeGraphics() {
|
|
var transparency = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
|
|
|
|
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 && _global_scope["default"].StepperManager && _global_scope["default"].StepperManager.enabled) {
|
|
this.stepper = _global_scope["default"].StepperManager.create(this.pageNumber - 1);
|
|
this.stepper.init(this.operatorList);
|
|
this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
|
|
}
|
|
|
|
var _this$params = this.params,
|
|
canvasContext = _this$params.canvasContext,
|
|
viewport = _this$params.viewport,
|
|
transform = _this$params.transform,
|
|
imageLayer = _this$params.imageLayer,
|
|
background = _this$params.background;
|
|
this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext, imageLayer);
|
|
this.gfx.beginDrawing({
|
|
transform: transform,
|
|
viewport: viewport,
|
|
transparency: transparency,
|
|
background: background
|
|
});
|
|
this.operatorListIdx = 0;
|
|
this.graphicsReady = true;
|
|
|
|
if (this.graphicsReadyCallback) {
|
|
this.graphicsReadyCallback();
|
|
}
|
|
}
|
|
}, {
|
|
key: "cancel",
|
|
value: function cancel() {
|
|
var error = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 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 ".concat(this.pageNumber), 'canvas'));
|
|
}
|
|
}, {
|
|
key: "operatorListChanged",
|
|
value: function 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();
|
|
}
|
|
}, {
|
|
key: "_continue",
|
|
value: function _continue() {
|
|
this.running = true;
|
|
|
|
if (this.cancelled) {
|
|
return;
|
|
}
|
|
|
|
if (this.task.onContinue) {
|
|
this.task.onContinue(this._scheduleNextBound);
|
|
} else {
|
|
this._scheduleNext();
|
|
}
|
|
}
|
|
}, {
|
|
key: "_scheduleNext",
|
|
value: function _scheduleNext() {
|
|
var _this17 = this;
|
|
|
|
if (this._useRequestAnimationFrame) {
|
|
window.requestAnimationFrame(function () {
|
|
_this17._nextBound()["catch"](_this17.cancel.bind(_this17));
|
|
});
|
|
} else {
|
|
Promise.resolve().then(this._nextBound)["catch"](this.cancel.bind(this));
|
|
}
|
|
}
|
|
}, {
|
|
key: "_next",
|
|
value: function () {
|
|
var _next2 = _asyncToGenerator(
|
|
/*#__PURE__*/
|
|
_regenerator["default"].mark(function _callee() {
|
|
return _regenerator["default"].wrap(function _callee$(_context) {
|
|
while (1) {
|
|
switch (_context.prev = _context.next) {
|
|
case 0:
|
|
if (!this.cancelled) {
|
|
_context.next = 2;
|
|
break;
|
|
}
|
|
|
|
return _context.abrupt("return");
|
|
|
|
case 2:
|
|
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();
|
|
}
|
|
}
|
|
|
|
case 4:
|
|
case "end":
|
|
return _context.stop();
|
|
}
|
|
}
|
|
}, _callee, this);
|
|
}));
|
|
|
|
function _next() {
|
|
return _next2.apply(this, arguments);
|
|
}
|
|
|
|
return _next;
|
|
}()
|
|
}]);
|
|
|
|
return InternalRenderTask;
|
|
}();
|
|
|
|
return InternalRenderTask;
|
|
}();
|
|
|
|
var version = '2.2.228';
|
|
exports.version = version;
|
|
var build = 'd7afb74a';
|
|
exports.build = build; |