forked from mirrors/gecko-dev
10905 lines
No EOL
389 KiB
JavaScript
10905 lines
No EOL
389 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 2017 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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(function webpackUniversalModuleDefinition(root, factory) {
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if(typeof exports === 'object' && typeof module === 'object')
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module.exports = factory();
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else if(typeof define === 'function' && define.amd)
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define("pdfjs-dist/build/pdf", [], factory);
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else if(typeof exports === 'object')
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exports["pdfjs-dist/build/pdf"] = factory();
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else
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root["pdfjs-dist/build/pdf"] = root.pdfjsLib = factory();
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})(this, function() {
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return /******/ (function(modules) { // webpackBootstrap
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/******/ // The module cache
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/******/ var installedModules = {};
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/******/
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/******/ // The require function
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/******/ function __w_pdfjs_require__(moduleId) {
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/******/
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/******/ // Check if module is in cache
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/******/ if(installedModules[moduleId]) {
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/******/ return installedModules[moduleId].exports;
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/******/ }
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/******/ // Create a new module (and put it into the cache)
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/******/ var module = installedModules[moduleId] = {
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/******/ i: moduleId,
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/******/ l: false,
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/******/ exports: {}
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/******/ };
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/******/
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/******/ // Execute the module function
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/******/ modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
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/******/
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/******/ // Flag the module as loaded
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/******/ module.l = true;
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/******/
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/******/ // Return the exports of the module
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/******/ return module.exports;
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/******/ }
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/******/
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/******/
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/******/ // expose the modules object (__webpack_modules__)
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/******/ __w_pdfjs_require__.m = modules;
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/******/
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/******/ // expose the module cache
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/******/ __w_pdfjs_require__.c = installedModules;
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/******/
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/******/ // define getter function for harmony exports
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/******/ __w_pdfjs_require__.d = function(exports, name, getter) {
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/******/ if(!__w_pdfjs_require__.o(exports, name)) {
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/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
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/******/ }
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/******/ };
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/******/
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/******/ // define __esModule on exports
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/******/ __w_pdfjs_require__.r = function(exports) {
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/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
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/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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/******/ }
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/******/ Object.defineProperty(exports, '__esModule', { value: true });
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/******/ };
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/******/
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/******/ // create a fake namespace object
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/******/ // mode & 1: value is a module id, require it
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/******/ // mode & 2: merge all properties of value into the ns
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/******/ // mode & 4: return value when already ns object
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/******/ // mode & 8|1: behave like require
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/******/ __w_pdfjs_require__.t = function(value, mode) {
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/******/ if(mode & 1) value = __w_pdfjs_require__(value);
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/******/ if(mode & 8) return value;
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/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
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/******/ var ns = Object.create(null);
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/******/ __w_pdfjs_require__.r(ns);
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/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
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/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
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/******/ return ns;
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/******/ };
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/******/
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/******/ // getDefaultExport function for compatibility with non-harmony modules
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/******/ __w_pdfjs_require__.n = function(module) {
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/******/ var getter = module && module.__esModule ?
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/******/ function getDefault() { return module['default']; } :
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/******/ function getModuleExports() { return module; };
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/******/ __w_pdfjs_require__.d(getter, 'a', getter);
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/******/ return getter;
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/******/ };
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/******/
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/******/ // Object.prototype.hasOwnProperty.call
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/******/ __w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
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/******/
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/******/ // __webpack_public_path__
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/******/ __w_pdfjs_require__.p = "";
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/******/
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/******/
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/******/ // Load entry module and return exports
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/******/ return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
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/******/ })
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/************************************************************************/
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/******/ ([
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/* 0 */
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/***/ (function(module, exports, __w_pdfjs_require__) {
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"use strict";
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var pdfjsVersion = '2.0.775';
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var pdfjsBuild = '20cd1b35';
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var pdfjsSharedUtil = __w_pdfjs_require__(1);
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var pdfjsDisplayAPI = __w_pdfjs_require__(7);
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var pdfjsDisplayTextLayer = __w_pdfjs_require__(19);
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var pdfjsDisplayAnnotationLayer = __w_pdfjs_require__(20);
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var pdfjsDisplayDOMUtils = __w_pdfjs_require__(8);
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var pdfjsDisplaySVG = __w_pdfjs_require__(21);
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let pdfjsDisplayWorkerOptions = __w_pdfjs_require__(13);
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let pdfjsDisplayAPICompatibility = __w_pdfjs_require__(10);
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;
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exports.build = pdfjsDisplayAPI.build;
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exports.version = pdfjsDisplayAPI.version;
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exports.getDocument = pdfjsDisplayAPI.getDocument;
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exports.LoopbackPort = pdfjsDisplayAPI.LoopbackPort;
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exports.PDFDataRangeTransport = pdfjsDisplayAPI.PDFDataRangeTransport;
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exports.PDFWorker = pdfjsDisplayAPI.PDFWorker;
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exports.renderTextLayer = pdfjsDisplayTextLayer.renderTextLayer;
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exports.AnnotationLayer = pdfjsDisplayAnnotationLayer.AnnotationLayer;
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exports.createPromiseCapability = pdfjsSharedUtil.createPromiseCapability;
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exports.PasswordResponses = pdfjsSharedUtil.PasswordResponses;
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exports.InvalidPDFException = pdfjsSharedUtil.InvalidPDFException;
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exports.MissingPDFException = pdfjsSharedUtil.MissingPDFException;
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exports.SVGGraphics = pdfjsDisplaySVG.SVGGraphics;
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exports.NativeImageDecoding = pdfjsSharedUtil.NativeImageDecoding;
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exports.UnexpectedResponseException = pdfjsSharedUtil.UnexpectedResponseException;
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exports.OPS = pdfjsSharedUtil.OPS;
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exports.VerbosityLevel = pdfjsSharedUtil.VerbosityLevel;
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exports.UNSUPPORTED_FEATURES = pdfjsSharedUtil.UNSUPPORTED_FEATURES;
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exports.createValidAbsoluteUrl = pdfjsSharedUtil.createValidAbsoluteUrl;
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exports.createObjectURL = pdfjsSharedUtil.createObjectURL;
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exports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters;
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exports.shadow = pdfjsSharedUtil.shadow;
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exports.Util = pdfjsSharedUtil.Util;
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exports.ReadableStream = pdfjsSharedUtil.ReadableStream;
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exports.URL = pdfjsSharedUtil.URL;
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exports.RenderingCancelledException = pdfjsDisplayDOMUtils.RenderingCancelledException;
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exports.getFilenameFromUrl = pdfjsDisplayDOMUtils.getFilenameFromUrl;
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exports.LinkTarget = pdfjsDisplayDOMUtils.LinkTarget;
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exports.addLinkAttributes = pdfjsDisplayDOMUtils.addLinkAttributes;
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exports.loadScript = pdfjsDisplayDOMUtils.loadScript;
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exports.GlobalWorkerOptions = pdfjsDisplayWorkerOptions.GlobalWorkerOptions;
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exports.apiCompatibilityParams = pdfjsDisplayAPICompatibility.apiCompatibilityParams;
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/***/ }),
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/* 1 */
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/***/ (function(module, exports, __w_pdfjs_require__) {
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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.unreachable = exports.warn = exports.utf8StringToString = exports.stringToUTF8String = exports.stringToPDFString = exports.stringToBytes = exports.string32 = exports.shadow = exports.setVerbosityLevel = exports.URL = exports.ReadableStream = exports.removeNullCharacters = exports.readUint32 = exports.readUint16 = exports.readInt8 = exports.log2 = exports.isEvalSupported = exports.isLittleEndian = exports.createValidAbsoluteUrl = exports.isSameOrigin = exports.isSpace = exports.isString = exports.isNum = exports.isEmptyObj = exports.isBool = exports.isArrayBuffer = exports.info = exports.getVerbosityLevel = exports.getLookupTableFactory = exports.getInheritableProperty = exports.deprecated = exports.createObjectURL = exports.createPromiseCapability = exports.bytesToString = exports.assert = exports.arraysToBytes = exports.arrayByteLength = exports.FormatError = exports.XRefParseException = exports.toRomanNumerals = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PasswordResponses = exports.PasswordException = exports.NativeImageDecoding = exports.MissingPDFException = exports.MissingDataException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = undefined;
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__w_pdfjs_require__(2);
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var _streams_polyfill = __w_pdfjs_require__(4);
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var _url_polyfill = __w_pdfjs_require__(6);
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var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
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const NativeImageDecoding = {
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NONE: 'none',
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DECODE: 'decode',
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DISPLAY: 'display'
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};
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var TextRenderingMode = {
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FILL: 0,
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STROKE: 1,
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FILL_STROKE: 2,
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INVISIBLE: 3,
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FILL_ADD_TO_PATH: 4,
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STROKE_ADD_TO_PATH: 5,
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FILL_STROKE_ADD_TO_PATH: 6,
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ADD_TO_PATH: 7,
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FILL_STROKE_MASK: 3,
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ADD_TO_PATH_FLAG: 4
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};
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var ImageKind = {
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GRAYSCALE_1BPP: 1,
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RGB_24BPP: 2,
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RGBA_32BPP: 3
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};
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var AnnotationType = {
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TEXT: 1,
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LINK: 2,
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FREETEXT: 3,
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LINE: 4,
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SQUARE: 5,
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CIRCLE: 6,
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POLYGON: 7,
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POLYLINE: 8,
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HIGHLIGHT: 9,
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UNDERLINE: 10,
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SQUIGGLY: 11,
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STRIKEOUT: 12,
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STAMP: 13,
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CARET: 14,
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INK: 15,
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POPUP: 16,
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FILEATTACHMENT: 17,
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SOUND: 18,
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MOVIE: 19,
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WIDGET: 20,
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SCREEN: 21,
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PRINTERMARK: 22,
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TRAPNET: 23,
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WATERMARK: 24,
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THREED: 25,
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REDACT: 26
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};
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var AnnotationFlag = {
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INVISIBLE: 0x01,
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HIDDEN: 0x02,
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PRINT: 0x04,
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NOZOOM: 0x08,
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NOROTATE: 0x10,
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NOVIEW: 0x20,
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READONLY: 0x40,
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LOCKED: 0x80,
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TOGGLENOVIEW: 0x100,
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LOCKEDCONTENTS: 0x200
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};
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var AnnotationFieldFlag = {
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READONLY: 0x0000001,
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REQUIRED: 0x0000002,
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NOEXPORT: 0x0000004,
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MULTILINE: 0x0001000,
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PASSWORD: 0x0002000,
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NOTOGGLETOOFF: 0x0004000,
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RADIO: 0x0008000,
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PUSHBUTTON: 0x0010000,
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COMBO: 0x0020000,
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EDIT: 0x0040000,
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SORT: 0x0080000,
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FILESELECT: 0x0100000,
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MULTISELECT: 0x0200000,
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DONOTSPELLCHECK: 0x0400000,
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DONOTSCROLL: 0x0800000,
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COMB: 0x1000000,
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RICHTEXT: 0x2000000,
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RADIOSINUNISON: 0x2000000,
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COMMITONSELCHANGE: 0x4000000
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};
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var AnnotationBorderStyleType = {
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SOLID: 1,
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DASHED: 2,
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BEVELED: 3,
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INSET: 4,
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UNDERLINE: 5
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};
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var StreamType = {
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UNKNOWN: 0,
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FLATE: 1,
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LZW: 2,
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DCT: 3,
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JPX: 4,
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JBIG: 5,
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A85: 6,
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AHX: 7,
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CCF: 8,
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RL: 9
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};
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var FontType = {
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UNKNOWN: 0,
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TYPE1: 1,
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TYPE1C: 2,
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CIDFONTTYPE0: 3,
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CIDFONTTYPE0C: 4,
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TRUETYPE: 5,
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CIDFONTTYPE2: 6,
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TYPE3: 7,
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OPENTYPE: 8,
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TYPE0: 9,
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MMTYPE1: 10
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};
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const VerbosityLevel = {
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ERRORS: 0,
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WARNINGS: 1,
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INFOS: 5
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};
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var CMapCompressionType = {
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NONE: 0,
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BINARY: 1,
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STREAM: 2
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};
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var OPS = {
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dependency: 1,
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setLineWidth: 2,
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setLineCap: 3,
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setLineJoin: 4,
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setMiterLimit: 5,
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setDash: 6,
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setRenderingIntent: 7,
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setFlatness: 8,
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setGState: 9,
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save: 10,
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restore: 11,
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transform: 12,
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moveTo: 13,
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lineTo: 14,
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curveTo: 15,
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curveTo2: 16,
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curveTo3: 17,
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closePath: 18,
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rectangle: 19,
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stroke: 20,
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closeStroke: 21,
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fill: 22,
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eoFill: 23,
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fillStroke: 24,
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eoFillStroke: 25,
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closeFillStroke: 26,
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closeEOFillStroke: 27,
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endPath: 28,
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clip: 29,
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eoClip: 30,
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beginText: 31,
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endText: 32,
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setCharSpacing: 33,
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setWordSpacing: 34,
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setHScale: 35,
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setLeading: 36,
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setFont: 37,
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setTextRenderingMode: 38,
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setTextRise: 39,
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moveText: 40,
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setLeadingMoveText: 41,
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setTextMatrix: 42,
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nextLine: 43,
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showText: 44,
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showSpacedText: 45,
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nextLineShowText: 46,
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nextLineSetSpacingShowText: 47,
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setCharWidth: 48,
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setCharWidthAndBounds: 49,
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setStrokeColorSpace: 50,
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setFillColorSpace: 51,
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setStrokeColor: 52,
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setStrokeColorN: 53,
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setFillColor: 54,
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setFillColorN: 55,
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setStrokeGray: 56,
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setFillGray: 57,
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setStrokeRGBColor: 58,
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setFillRGBColor: 59,
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setStrokeCMYKColor: 60,
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setFillCMYKColor: 61,
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shadingFill: 62,
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beginInlineImage: 63,
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beginImageData: 64,
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endInlineImage: 65,
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paintXObject: 66,
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markPoint: 67,
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markPointProps: 68,
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|
beginMarkedContent: 69,
|
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beginMarkedContentProps: 70,
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endMarkedContent: 71,
|
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beginCompat: 72,
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endCompat: 73,
|
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paintFormXObjectBegin: 74,
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paintFormXObjectEnd: 75,
|
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beginGroup: 76,
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endGroup: 77,
|
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beginAnnotations: 78,
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endAnnotations: 79,
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beginAnnotation: 80,
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endAnnotation: 81,
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paintJpegXObject: 82,
|
|
paintImageMaskXObject: 83,
|
|
paintImageMaskXObjectGroup: 84,
|
|
paintImageXObject: 85,
|
|
paintInlineImageXObject: 86,
|
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paintInlineImageXObjectGroup: 87,
|
|
paintImageXObjectRepeat: 88,
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paintImageMaskXObjectRepeat: 89,
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paintSolidColorImageMask: 90,
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constructPath: 91
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};
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let verbosity = VerbosityLevel.WARNINGS;
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function setVerbosityLevel(level) {
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if (Number.isInteger(level)) {
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verbosity = level;
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}
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}
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function getVerbosityLevel() {
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return verbosity;
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}
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function info(msg) {
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if (verbosity >= VerbosityLevel.INFOS) {
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console.log('Info: ' + msg);
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}
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}
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function warn(msg) {
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if (verbosity >= VerbosityLevel.WARNINGS) {
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console.log('Warning: ' + msg);
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}
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}
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function deprecated(details) {
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console.log('Deprecated API usage: ' + details);
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}
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function unreachable(msg) {
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throw new Error(msg);
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}
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|
function assert(cond, msg) {
|
|
if (!cond) {
|
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unreachable(msg);
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}
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}
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var UNSUPPORTED_FEATURES = {
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unknown: 'unknown',
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forms: 'forms',
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javaScript: 'javaScript',
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smask: 'smask',
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shadingPattern: 'shadingPattern',
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font: 'font'
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};
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function isSameOrigin(baseUrl, otherUrl) {
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try {
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var base = new _url_polyfill.URL(baseUrl);
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if (!base.origin || base.origin === 'null') {
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return false;
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}
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} catch (e) {
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return false;
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}
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var other = new _url_polyfill.URL(otherUrl, base);
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return base.origin === other.origin;
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}
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function isValidProtocol(url) {
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if (!url) {
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return false;
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}
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switch (url.protocol) {
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case 'http:':
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case 'https:':
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case 'ftp:':
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case 'mailto:':
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case 'tel:':
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return true;
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default:
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return false;
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}
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}
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function createValidAbsoluteUrl(url, baseUrl) {
|
|
if (!url) {
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return null;
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}
|
|
try {
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|
var absoluteUrl = baseUrl ? new _url_polyfill.URL(url, baseUrl) : new _url_polyfill.URL(url);
|
|
if (isValidProtocol(absoluteUrl)) {
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return absoluteUrl;
|
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}
|
|
} catch (ex) {}
|
|
return null;
|
|
}
|
|
function shadow(obj, prop, value) {
|
|
Object.defineProperty(obj, prop, {
|
|
value,
|
|
enumerable: true,
|
|
configurable: true,
|
|
writable: false
|
|
});
|
|
return value;
|
|
}
|
|
function getLookupTableFactory(initializer) {
|
|
var lookup;
|
|
return function () {
|
|
if (initializer) {
|
|
lookup = Object.create(null);
|
|
initializer(lookup);
|
|
initializer = null;
|
|
}
|
|
return lookup;
|
|
};
|
|
}
|
|
var PasswordResponses = {
|
|
NEED_PASSWORD: 1,
|
|
INCORRECT_PASSWORD: 2
|
|
};
|
|
var PasswordException = function PasswordExceptionClosure() {
|
|
function PasswordException(msg, code) {
|
|
this.name = 'PasswordException';
|
|
this.message = msg;
|
|
this.code = code;
|
|
}
|
|
PasswordException.prototype = new Error();
|
|
PasswordException.constructor = PasswordException;
|
|
return PasswordException;
|
|
}();
|
|
var UnknownErrorException = function UnknownErrorExceptionClosure() {
|
|
function UnknownErrorException(msg, details) {
|
|
this.name = 'UnknownErrorException';
|
|
this.message = msg;
|
|
this.details = details;
|
|
}
|
|
UnknownErrorException.prototype = new Error();
|
|
UnknownErrorException.constructor = UnknownErrorException;
|
|
return UnknownErrorException;
|
|
}();
|
|
var InvalidPDFException = function InvalidPDFExceptionClosure() {
|
|
function InvalidPDFException(msg) {
|
|
this.name = 'InvalidPDFException';
|
|
this.message = msg;
|
|
}
|
|
InvalidPDFException.prototype = new Error();
|
|
InvalidPDFException.constructor = InvalidPDFException;
|
|
return InvalidPDFException;
|
|
}();
|
|
var MissingPDFException = function MissingPDFExceptionClosure() {
|
|
function MissingPDFException(msg) {
|
|
this.name = 'MissingPDFException';
|
|
this.message = msg;
|
|
}
|
|
MissingPDFException.prototype = new Error();
|
|
MissingPDFException.constructor = MissingPDFException;
|
|
return MissingPDFException;
|
|
}();
|
|
var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() {
|
|
function UnexpectedResponseException(msg, status) {
|
|
this.name = 'UnexpectedResponseException';
|
|
this.message = msg;
|
|
this.status = status;
|
|
}
|
|
UnexpectedResponseException.prototype = new Error();
|
|
UnexpectedResponseException.constructor = UnexpectedResponseException;
|
|
return UnexpectedResponseException;
|
|
}();
|
|
var MissingDataException = function MissingDataExceptionClosure() {
|
|
function MissingDataException(begin, end) {
|
|
this.begin = begin;
|
|
this.end = end;
|
|
this.message = 'Missing data [' + begin + ', ' + end + ')';
|
|
}
|
|
MissingDataException.prototype = new Error();
|
|
MissingDataException.prototype.name = 'MissingDataException';
|
|
MissingDataException.constructor = MissingDataException;
|
|
return MissingDataException;
|
|
}();
|
|
var XRefParseException = function XRefParseExceptionClosure() {
|
|
function XRefParseException(msg) {
|
|
this.message = msg;
|
|
}
|
|
XRefParseException.prototype = new Error();
|
|
XRefParseException.prototype.name = 'XRefParseException';
|
|
XRefParseException.constructor = XRefParseException;
|
|
return XRefParseException;
|
|
}();
|
|
let FormatError = function FormatErrorClosure() {
|
|
function FormatError(msg) {
|
|
this.message = msg;
|
|
}
|
|
FormatError.prototype = new Error();
|
|
FormatError.prototype.name = 'FormatError';
|
|
FormatError.constructor = FormatError;
|
|
return FormatError;
|
|
}();
|
|
let AbortException = function AbortExceptionClosure() {
|
|
function AbortException(msg) {
|
|
this.name = 'AbortException';
|
|
this.message = msg;
|
|
}
|
|
AbortException.prototype = new Error();
|
|
AbortException.constructor = AbortException;
|
|
return AbortException;
|
|
}();
|
|
var 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');
|
|
var length = bytes.length;
|
|
var MAX_ARGUMENT_COUNT = 8192;
|
|
if (length < MAX_ARGUMENT_COUNT) {
|
|
return String.fromCharCode.apply(null, bytes);
|
|
}
|
|
var strBuf = [];
|
|
for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
|
|
var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
|
|
var 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');
|
|
var length = str.length;
|
|
var bytes = new Uint8Array(length);
|
|
for (var 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);
|
|
return arr.byteLength;
|
|
}
|
|
function arraysToBytes(arr) {
|
|
if (arr.length === 1 && arr[0] instanceof Uint8Array) {
|
|
return arr[0];
|
|
}
|
|
var resultLength = 0;
|
|
var i,
|
|
ii = arr.length;
|
|
var item, itemLength;
|
|
for (i = 0; i < ii; i++) {
|
|
item = arr[i];
|
|
itemLength = arrayByteLength(item);
|
|
resultLength += itemLength;
|
|
}
|
|
var pos = 0;
|
|
var data = new Uint8Array(resultLength);
|
|
for (i = 0; i < ii; i++) {
|
|
item = arr[i];
|
|
if (!(item instanceof Uint8Array)) {
|
|
if (typeof item === 'string') {
|
|
item = stringToBytes(item);
|
|
} else {
|
|
item = new Uint8Array(item);
|
|
}
|
|
}
|
|
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 log2(x) {
|
|
if (x <= 0) {
|
|
return 0;
|
|
}
|
|
return Math.ceil(Math.log2(x));
|
|
}
|
|
function readInt8(data, start) {
|
|
return data[start] << 24 >> 24;
|
|
}
|
|
function readUint16(data, offset) {
|
|
return data[offset] << 8 | data[offset + 1];
|
|
}
|
|
function readUint32(data, offset) {
|
|
return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
|
|
}
|
|
function isLittleEndian() {
|
|
var buffer8 = new Uint8Array(4);
|
|
buffer8[0] = 1;
|
|
var view32 = new Uint32Array(buffer8.buffer, 0, 1);
|
|
return view32[0] === 1;
|
|
}
|
|
function isEvalSupported() {
|
|
try {
|
|
new Function('');
|
|
return true;
|
|
} catch (e) {
|
|
return false;
|
|
}
|
|
}
|
|
function getInheritableProperty({ dict, key, getArray = false, stopWhenFound = true }) {
|
|
const LOOP_LIMIT = 100;
|
|
let loopCount = 0;
|
|
let values;
|
|
while (dict) {
|
|
const value = getArray ? dict.getArray(key) : dict.get(key);
|
|
if (value !== undefined) {
|
|
if (stopWhenFound) {
|
|
return value;
|
|
}
|
|
if (!values) {
|
|
values = [];
|
|
}
|
|
values.push(value);
|
|
}
|
|
if (++loopCount > LOOP_LIMIT) {
|
|
warn(`getInheritableProperty: maximum loop count exceeded for "${key}"`);
|
|
break;
|
|
}
|
|
dict = dict.get('Parent');
|
|
}
|
|
return values;
|
|
}
|
|
var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
|
|
var Util = function UtilClosure() {
|
|
function Util() {}
|
|
var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')'];
|
|
Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {
|
|
rgbBuf[1] = r;
|
|
rgbBuf[3] = g;
|
|
rgbBuf[5] = b;
|
|
return rgbBuf.join('');
|
|
};
|
|
Util.transform = function Util_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]];
|
|
};
|
|
Util.applyTransform = function Util_applyTransform(p, m) {
|
|
var xt = p[0] * m[0] + p[1] * m[2] + m[4];
|
|
var yt = p[0] * m[1] + p[1] * m[3] + m[5];
|
|
return [xt, yt];
|
|
};
|
|
Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {
|
|
var d = m[0] * m[3] - m[1] * m[2];
|
|
var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
|
|
var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
|
|
return [xt, yt];
|
|
};
|
|
Util.getAxialAlignedBoundingBox = function Util_getAxialAlignedBoundingBox(r, m) {
|
|
var p1 = Util.applyTransform(r, m);
|
|
var p2 = Util.applyTransform(r.slice(2, 4), m);
|
|
var p3 = Util.applyTransform([r[0], r[3]], m);
|
|
var 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])];
|
|
};
|
|
Util.inverseTransform = function Util_inverseTransform(m) {
|
|
var 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];
|
|
};
|
|
Util.apply3dTransform = function Util_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]];
|
|
};
|
|
Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) {
|
|
var transpose = [m[0], m[2], m[1], m[3]];
|
|
var a = m[0] * transpose[0] + m[1] * transpose[2];
|
|
var b = m[0] * transpose[1] + m[1] * transpose[3];
|
|
var c = m[2] * transpose[0] + m[3] * transpose[2];
|
|
var d = m[2] * transpose[1] + m[3] * transpose[3];
|
|
var first = (a + d) / 2;
|
|
var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
|
|
var sx = first + second || 1;
|
|
var sy = first - second || 1;
|
|
return [Math.sqrt(sx), Math.sqrt(sy)];
|
|
};
|
|
Util.normalizeRect = function Util_normalizeRect(rect) {
|
|
var 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;
|
|
};
|
|
Util.intersect = function Util_intersect(rect1, rect2) {
|
|
function compare(a, b) {
|
|
return a - b;
|
|
}
|
|
var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare),
|
|
orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare),
|
|
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 false;
|
|
}
|
|
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 false;
|
|
}
|
|
return result;
|
|
};
|
|
return Util;
|
|
}();
|
|
const ROMAN_NUMBER_MAP = ['', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM', '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC', '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX'];
|
|
function toRomanNumerals(number, lowerCase = false) {
|
|
assert(Number.isInteger(number) && number > 0, 'The number should be a positive integer.');
|
|
let pos,
|
|
romanBuf = [];
|
|
while (number >= 1000) {
|
|
number -= 1000;
|
|
romanBuf.push('M');
|
|
}
|
|
pos = number / 100 | 0;
|
|
number %= 100;
|
|
romanBuf.push(ROMAN_NUMBER_MAP[pos]);
|
|
pos = number / 10 | 0;
|
|
number %= 10;
|
|
romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
|
|
romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
|
|
const romanStr = romanBuf.join('');
|
|
return lowerCase ? romanStr.toLowerCase() : romanStr;
|
|
}
|
|
var 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) {
|
|
var i,
|
|
n = str.length,
|
|
strBuf = [];
|
|
if (str[0] === '\xFE' && str[1] === '\xFF') {
|
|
for (i = 2; i < n; i += 2) {
|
|
strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
|
|
}
|
|
} else {
|
|
for (i = 0; i < n; ++i) {
|
|
var code = PDFStringTranslateTable[str.charCodeAt(i)];
|
|
strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
|
|
}
|
|
}
|
|
return strBuf.join('');
|
|
}
|
|
function stringToUTF8String(str) {
|
|
return decodeURIComponent(escape(str));
|
|
}
|
|
function utf8StringToString(str) {
|
|
return unescape(encodeURIComponent(str));
|
|
}
|
|
function isEmptyObj(obj) {
|
|
for (var key in obj) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
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 isSpace(ch) {
|
|
return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A;
|
|
}
|
|
function createPromiseCapability() {
|
|
var capability = {};
|
|
capability.promise = new Promise(function (resolve, reject) {
|
|
capability.resolve = resolve;
|
|
capability.reject = reject;
|
|
});
|
|
return capability;
|
|
}
|
|
var createObjectURL = function createObjectURLClosure() {
|
|
var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
|
|
return function createObjectURL(data, contentType, forceDataSchema = false) {
|
|
if (!forceDataSchema && _url_polyfill.URL.createObjectURL) {
|
|
const blob = new Blob([data], { type: contentType });
|
|
return _url_polyfill.URL.createObjectURL(blob);
|
|
}
|
|
var buffer = 'data:' + contentType + ';base64,';
|
|
for (var i = 0, ii = data.length; i < ii; i += 3) {
|
|
var b1 = data[i] & 0xFF;
|
|
var b2 = data[i + 1] & 0xFF;
|
|
var b3 = data[i + 2] & 0xFF;
|
|
var d1 = b1 >> 2,
|
|
d2 = (b1 & 3) << 4 | b2 >> 4;
|
|
var d3 = i + 1 < ii ? (b2 & 0xF) << 2 | b3 >> 6 : 64;
|
|
var d4 = i + 2 < ii ? b3 & 0x3F : 64;
|
|
buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
|
|
}
|
|
return buffer;
|
|
};
|
|
}();
|
|
exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
|
|
exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
|
|
exports.OPS = OPS;
|
|
exports.VerbosityLevel = VerbosityLevel;
|
|
exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
|
|
exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
|
|
exports.AnnotationFieldFlag = AnnotationFieldFlag;
|
|
exports.AnnotationFlag = AnnotationFlag;
|
|
exports.AnnotationType = AnnotationType;
|
|
exports.FontType = FontType;
|
|
exports.ImageKind = ImageKind;
|
|
exports.CMapCompressionType = CMapCompressionType;
|
|
exports.AbortException = AbortException;
|
|
exports.InvalidPDFException = InvalidPDFException;
|
|
exports.MissingDataException = MissingDataException;
|
|
exports.MissingPDFException = MissingPDFException;
|
|
exports.NativeImageDecoding = NativeImageDecoding;
|
|
exports.PasswordException = PasswordException;
|
|
exports.PasswordResponses = PasswordResponses;
|
|
exports.StreamType = StreamType;
|
|
exports.TextRenderingMode = TextRenderingMode;
|
|
exports.UnexpectedResponseException = UnexpectedResponseException;
|
|
exports.UnknownErrorException = UnknownErrorException;
|
|
exports.Util = Util;
|
|
exports.toRomanNumerals = toRomanNumerals;
|
|
exports.XRefParseException = XRefParseException;
|
|
exports.FormatError = FormatError;
|
|
exports.arrayByteLength = arrayByteLength;
|
|
exports.arraysToBytes = arraysToBytes;
|
|
exports.assert = assert;
|
|
exports.bytesToString = bytesToString;
|
|
exports.createPromiseCapability = createPromiseCapability;
|
|
exports.createObjectURL = createObjectURL;
|
|
exports.deprecated = deprecated;
|
|
exports.getInheritableProperty = getInheritableProperty;
|
|
exports.getLookupTableFactory = getLookupTableFactory;
|
|
exports.getVerbosityLevel = getVerbosityLevel;
|
|
exports.info = info;
|
|
exports.isArrayBuffer = isArrayBuffer;
|
|
exports.isBool = isBool;
|
|
exports.isEmptyObj = isEmptyObj;
|
|
exports.isNum = isNum;
|
|
exports.isString = isString;
|
|
exports.isSpace = isSpace;
|
|
exports.isSameOrigin = isSameOrigin;
|
|
exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
|
|
exports.isLittleEndian = isLittleEndian;
|
|
exports.isEvalSupported = isEvalSupported;
|
|
exports.log2 = log2;
|
|
exports.readInt8 = readInt8;
|
|
exports.readUint16 = readUint16;
|
|
exports.readUint32 = readUint32;
|
|
exports.removeNullCharacters = removeNullCharacters;
|
|
exports.ReadableStream = _streams_polyfill.ReadableStream;
|
|
exports.URL = _url_polyfill.URL;
|
|
exports.setVerbosityLevel = setVerbosityLevel;
|
|
exports.shadow = shadow;
|
|
exports.string32 = string32;
|
|
exports.stringToBytes = stringToBytes;
|
|
exports.stringToPDFString = stringToPDFString;
|
|
exports.stringToUTF8String = stringToUTF8String;
|
|
exports.utf8StringToString = utf8StringToString;
|
|
exports.warn = warn;
|
|
exports.unreachable = unreachable;
|
|
|
|
/***/ }),
|
|
/* 2 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
const globalScope = __w_pdfjs_require__(3);
|
|
;
|
|
|
|
/***/ }),
|
|
/* 3 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
module.exports = typeof window !== 'undefined' && window.Math === Math ? window : typeof global !== 'undefined' && global.Math === Math ? global : typeof self !== 'undefined' && self.Math === Math ? self : {};
|
|
|
|
/***/ }),
|
|
/* 4 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
let isReadableStreamSupported = false;
|
|
if (typeof ReadableStream !== 'undefined') {
|
|
try {
|
|
new ReadableStream({
|
|
start(controller) {
|
|
controller.close();
|
|
}
|
|
});
|
|
isReadableStreamSupported = true;
|
|
} catch (e) {}
|
|
}
|
|
if (isReadableStreamSupported) {
|
|
exports.ReadableStream = ReadableStream;
|
|
} else {
|
|
exports.ReadableStream = __w_pdfjs_require__(5).ReadableStream;
|
|
}
|
|
|
|
/***/ }),
|
|
/* 5 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
(function (e, a) {
|
|
for (var i in a) e[i] = a[i];
|
|
})(exports, function (modules) {
|
|
var installedModules = {};
|
|
function __w_pdfjs_require__(moduleId) {
|
|
if (installedModules[moduleId]) return installedModules[moduleId].exports;
|
|
var module = installedModules[moduleId] = {
|
|
i: moduleId,
|
|
l: false,
|
|
exports: {}
|
|
};
|
|
modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
|
|
module.l = true;
|
|
return module.exports;
|
|
}
|
|
__w_pdfjs_require__.m = modules;
|
|
__w_pdfjs_require__.c = installedModules;
|
|
__w_pdfjs_require__.i = function (value) {
|
|
return value;
|
|
};
|
|
__w_pdfjs_require__.d = function (exports, name, getter) {
|
|
if (!__w_pdfjs_require__.o(exports, name)) {
|
|
Object.defineProperty(exports, name, {
|
|
configurable: false,
|
|
enumerable: true,
|
|
get: getter
|
|
});
|
|
}
|
|
};
|
|
__w_pdfjs_require__.n = function (module) {
|
|
var getter = module && module.__esModule ? function getDefault() {
|
|
return module['default'];
|
|
} : function getModuleExports() {
|
|
return module;
|
|
};
|
|
__w_pdfjs_require__.d(getter, 'a', getter);
|
|
return getter;
|
|
};
|
|
__w_pdfjs_require__.o = function (object, property) {
|
|
return Object.prototype.hasOwnProperty.call(object, property);
|
|
};
|
|
__w_pdfjs_require__.p = "";
|
|
return __w_pdfjs_require__(__w_pdfjs_require__.s = 7);
|
|
}([function (module, exports, __w_pdfjs_require__) {
|
|
"use strict";
|
|
|
|
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
|
|
return typeof obj;
|
|
} : function (obj) {
|
|
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
|
|
};
|
|
var _require = __w_pdfjs_require__(1),
|
|
assert = _require.assert;
|
|
function IsPropertyKey(argument) {
|
|
return typeof argument === 'string' || (typeof argument === 'undefined' ? 'undefined' : _typeof(argument)) === 'symbol';
|
|
}
|
|
exports.typeIsObject = function (x) {
|
|
return (typeof x === 'undefined' ? 'undefined' : _typeof(x)) === 'object' && x !== null || typeof x === 'function';
|
|
};
|
|
exports.createDataProperty = function (o, p, v) {
|
|
assert(exports.typeIsObject(o));
|
|
Object.defineProperty(o, p, {
|
|
value: v,
|
|
writable: true,
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
};
|
|
exports.createArrayFromList = function (elements) {
|
|
return elements.slice();
|
|
};
|
|
exports.ArrayBufferCopy = function (dest, destOffset, src, srcOffset, n) {
|
|
new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset);
|
|
};
|
|
exports.CreateIterResultObject = function (value, done) {
|
|
assert(typeof done === 'boolean');
|
|
var obj = {};
|
|
Object.defineProperty(obj, 'value', {
|
|
value: value,
|
|
enumerable: true,
|
|
writable: true,
|
|
configurable: true
|
|
});
|
|
Object.defineProperty(obj, 'done', {
|
|
value: done,
|
|
enumerable: true,
|
|
writable: true,
|
|
configurable: true
|
|
});
|
|
return obj;
|
|
};
|
|
exports.IsFiniteNonNegativeNumber = function (v) {
|
|
if (Number.isNaN(v)) {
|
|
return false;
|
|
}
|
|
if (v === Infinity) {
|
|
return false;
|
|
}
|
|
if (v < 0) {
|
|
return false;
|
|
}
|
|
return true;
|
|
};
|
|
function Call(F, V, args) {
|
|
if (typeof F !== 'function') {
|
|
throw new TypeError('Argument is not a function');
|
|
}
|
|
return Function.prototype.apply.call(F, V, args);
|
|
}
|
|
exports.InvokeOrNoop = function (O, P, args) {
|
|
assert(O !== undefined);
|
|
assert(IsPropertyKey(P));
|
|
assert(Array.isArray(args));
|
|
var method = O[P];
|
|
if (method === undefined) {
|
|
return undefined;
|
|
}
|
|
return Call(method, O, args);
|
|
};
|
|
exports.PromiseInvokeOrNoop = function (O, P, args) {
|
|
assert(O !== undefined);
|
|
assert(IsPropertyKey(P));
|
|
assert(Array.isArray(args));
|
|
try {
|
|
return Promise.resolve(exports.InvokeOrNoop(O, P, args));
|
|
} catch (returnValueE) {
|
|
return Promise.reject(returnValueE);
|
|
}
|
|
};
|
|
exports.PromiseInvokeOrPerformFallback = function (O, P, args, F, argsF) {
|
|
assert(O !== undefined);
|
|
assert(IsPropertyKey(P));
|
|
assert(Array.isArray(args));
|
|
assert(Array.isArray(argsF));
|
|
var method = void 0;
|
|
try {
|
|
method = O[P];
|
|
} catch (methodE) {
|
|
return Promise.reject(methodE);
|
|
}
|
|
if (method === undefined) {
|
|
return F.apply(null, argsF);
|
|
}
|
|
try {
|
|
return Promise.resolve(Call(method, O, args));
|
|
} catch (e) {
|
|
return Promise.reject(e);
|
|
}
|
|
};
|
|
exports.TransferArrayBuffer = function (O) {
|
|
return O.slice();
|
|
};
|
|
exports.ValidateAndNormalizeHighWaterMark = function (highWaterMark) {
|
|
highWaterMark = Number(highWaterMark);
|
|
if (Number.isNaN(highWaterMark) || highWaterMark < 0) {
|
|
throw new RangeError('highWaterMark property of a queuing strategy must be non-negative and non-NaN');
|
|
}
|
|
return highWaterMark;
|
|
};
|
|
exports.ValidateAndNormalizeQueuingStrategy = function (size, highWaterMark) {
|
|
if (size !== undefined && typeof size !== 'function') {
|
|
throw new TypeError('size property of a queuing strategy must be a function');
|
|
}
|
|
highWaterMark = exports.ValidateAndNormalizeHighWaterMark(highWaterMark);
|
|
return {
|
|
size: size,
|
|
highWaterMark: highWaterMark
|
|
};
|
|
};
|
|
}, function (module, exports, __w_pdfjs_require__) {
|
|
"use strict";
|
|
|
|
function rethrowAssertionErrorRejection(e) {
|
|
if (e && e.constructor === AssertionError) {
|
|
setTimeout(function () {
|
|
throw e;
|
|
}, 0);
|
|
}
|
|
}
|
|
function AssertionError(message) {
|
|
this.name = 'AssertionError';
|
|
this.message = message || '';
|
|
this.stack = new Error().stack;
|
|
}
|
|
AssertionError.prototype = Object.create(Error.prototype);
|
|
AssertionError.prototype.constructor = AssertionError;
|
|
function assert(value, message) {
|
|
if (!value) {
|
|
throw new AssertionError(message);
|
|
}
|
|
}
|
|
module.exports = {
|
|
rethrowAssertionErrorRejection: rethrowAssertionErrorRejection,
|
|
AssertionError: AssertionError,
|
|
assert: assert
|
|
};
|
|
}, function (module, exports, __w_pdfjs_require__) {
|
|
"use strict";
|
|
|
|
var _createClass = function () {
|
|
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);
|
|
}
|
|
}
|
|
return function (Constructor, protoProps, staticProps) {
|
|
if (protoProps) defineProperties(Constructor.prototype, protoProps);
|
|
if (staticProps) defineProperties(Constructor, staticProps);
|
|
return Constructor;
|
|
};
|
|
}();
|
|
function _classCallCheck(instance, Constructor) {
|
|
if (!(instance instanceof Constructor)) {
|
|
throw new TypeError("Cannot call a class as a function");
|
|
}
|
|
}
|
|
var _require = __w_pdfjs_require__(0),
|
|
InvokeOrNoop = _require.InvokeOrNoop,
|
|
PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,
|
|
ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,
|
|
typeIsObject = _require.typeIsObject;
|
|
var _require2 = __w_pdfjs_require__(1),
|
|
assert = _require2.assert,
|
|
rethrowAssertionErrorRejection = _require2.rethrowAssertionErrorRejection;
|
|
var _require3 = __w_pdfjs_require__(3),
|
|
DequeueValue = _require3.DequeueValue,
|
|
EnqueueValueWithSize = _require3.EnqueueValueWithSize,
|
|
PeekQueueValue = _require3.PeekQueueValue,
|
|
ResetQueue = _require3.ResetQueue;
|
|
var WritableStream = function () {
|
|
function WritableStream() {
|
|
var underlyingSink = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
|
|
var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
|
|
size = _ref.size,
|
|
_ref$highWaterMark = _ref.highWaterMark,
|
|
highWaterMark = _ref$highWaterMark === undefined ? 1 : _ref$highWaterMark;
|
|
_classCallCheck(this, WritableStream);
|
|
this._state = 'writable';
|
|
this._storedError = undefined;
|
|
this._writer = undefined;
|
|
this._writableStreamController = undefined;
|
|
this._writeRequests = [];
|
|
this._inFlightWriteRequest = undefined;
|
|
this._closeRequest = undefined;
|
|
this._inFlightCloseRequest = undefined;
|
|
this._pendingAbortRequest = undefined;
|
|
this._backpressure = false;
|
|
var type = underlyingSink.type;
|
|
if (type !== undefined) {
|
|
throw new RangeError('Invalid type is specified');
|
|
}
|
|
this._writableStreamController = new WritableStreamDefaultController(this, underlyingSink, size, highWaterMark);
|
|
this._writableStreamController.__startSteps();
|
|
}
|
|
_createClass(WritableStream, [{
|
|
key: 'abort',
|
|
value: function abort(reason) {
|
|
if (IsWritableStream(this) === false) {
|
|
return Promise.reject(streamBrandCheckException('abort'));
|
|
}
|
|
if (IsWritableStreamLocked(this) === true) {
|
|
return Promise.reject(new TypeError('Cannot abort a stream that already has a writer'));
|
|
}
|
|
return WritableStreamAbort(this, reason);
|
|
}
|
|
}, {
|
|
key: 'getWriter',
|
|
value: function getWriter() {
|
|
if (IsWritableStream(this) === false) {
|
|
throw streamBrandCheckException('getWriter');
|
|
}
|
|
return AcquireWritableStreamDefaultWriter(this);
|
|
}
|
|
}, {
|
|
key: 'locked',
|
|
get: function get() {
|
|
if (IsWritableStream(this) === false) {
|
|
throw streamBrandCheckException('locked');
|
|
}
|
|
return IsWritableStreamLocked(this);
|
|
}
|
|
}]);
|
|
return WritableStream;
|
|
}();
|
|
module.exports = {
|
|
AcquireWritableStreamDefaultWriter: AcquireWritableStreamDefaultWriter,
|
|
IsWritableStream: IsWritableStream,
|
|
IsWritableStreamLocked: IsWritableStreamLocked,
|
|
WritableStream: WritableStream,
|
|
WritableStreamAbort: WritableStreamAbort,
|
|
WritableStreamDefaultControllerError: WritableStreamDefaultControllerError,
|
|
WritableStreamDefaultWriterCloseWithErrorPropagation: WritableStreamDefaultWriterCloseWithErrorPropagation,
|
|
WritableStreamDefaultWriterRelease: WritableStreamDefaultWriterRelease,
|
|
WritableStreamDefaultWriterWrite: WritableStreamDefaultWriterWrite,
|
|
WritableStreamCloseQueuedOrInFlight: WritableStreamCloseQueuedOrInFlight
|
|
};
|
|
function AcquireWritableStreamDefaultWriter(stream) {
|
|
return new WritableStreamDefaultWriter(stream);
|
|
}
|
|
function IsWritableStream(x) {
|
|
if (!typeIsObject(x)) {
|
|
return false;
|
|
}
|
|
if (!Object.prototype.hasOwnProperty.call(x, '_writableStreamController')) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function IsWritableStreamLocked(stream) {
|
|
assert(IsWritableStream(stream) === true, 'IsWritableStreamLocked should only be used on known writable streams');
|
|
if (stream._writer === undefined) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function WritableStreamAbort(stream, reason) {
|
|
var state = stream._state;
|
|
if (state === 'closed') {
|
|
return Promise.resolve(undefined);
|
|
}
|
|
if (state === 'errored') {
|
|
return Promise.reject(stream._storedError);
|
|
}
|
|
var error = new TypeError('Requested to abort');
|
|
if (stream._pendingAbortRequest !== undefined) {
|
|
return Promise.reject(error);
|
|
}
|
|
assert(state === 'writable' || state === 'erroring', 'state must be writable or erroring');
|
|
var wasAlreadyErroring = false;
|
|
if (state === 'erroring') {
|
|
wasAlreadyErroring = true;
|
|
reason = undefined;
|
|
}
|
|
var promise = new Promise(function (resolve, reject) {
|
|
stream._pendingAbortRequest = {
|
|
_resolve: resolve,
|
|
_reject: reject,
|
|
_reason: reason,
|
|
_wasAlreadyErroring: wasAlreadyErroring
|
|
};
|
|
});
|
|
if (wasAlreadyErroring === false) {
|
|
WritableStreamStartErroring(stream, error);
|
|
}
|
|
return promise;
|
|
}
|
|
function WritableStreamAddWriteRequest(stream) {
|
|
assert(IsWritableStreamLocked(stream) === true);
|
|
assert(stream._state === 'writable');
|
|
var promise = new Promise(function (resolve, reject) {
|
|
var writeRequest = {
|
|
_resolve: resolve,
|
|
_reject: reject
|
|
};
|
|
stream._writeRequests.push(writeRequest);
|
|
});
|
|
return promise;
|
|
}
|
|
function WritableStreamDealWithRejection(stream, error) {
|
|
var state = stream._state;
|
|
if (state === 'writable') {
|
|
WritableStreamStartErroring(stream, error);
|
|
return;
|
|
}
|
|
assert(state === 'erroring');
|
|
WritableStreamFinishErroring(stream);
|
|
}
|
|
function WritableStreamStartErroring(stream, reason) {
|
|
assert(stream._storedError === undefined, 'stream._storedError === undefined');
|
|
assert(stream._state === 'writable', 'state must be writable');
|
|
var controller = stream._writableStreamController;
|
|
assert(controller !== undefined, 'controller must not be undefined');
|
|
stream._state = 'erroring';
|
|
stream._storedError = reason;
|
|
var writer = stream._writer;
|
|
if (writer !== undefined) {
|
|
WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason);
|
|
}
|
|
if (WritableStreamHasOperationMarkedInFlight(stream) === false && controller._started === true) {
|
|
WritableStreamFinishErroring(stream);
|
|
}
|
|
}
|
|
function WritableStreamFinishErroring(stream) {
|
|
assert(stream._state === 'erroring', 'stream._state === erroring');
|
|
assert(WritableStreamHasOperationMarkedInFlight(stream) === false, 'WritableStreamHasOperationMarkedInFlight(stream) === false');
|
|
stream._state = 'errored';
|
|
stream._writableStreamController.__errorSteps();
|
|
var storedError = stream._storedError;
|
|
for (var i = 0; i < stream._writeRequests.length; i++) {
|
|
var writeRequest = stream._writeRequests[i];
|
|
writeRequest._reject(storedError);
|
|
}
|
|
stream._writeRequests = [];
|
|
if (stream._pendingAbortRequest === undefined) {
|
|
WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
|
|
return;
|
|
}
|
|
var abortRequest = stream._pendingAbortRequest;
|
|
stream._pendingAbortRequest = undefined;
|
|
if (abortRequest._wasAlreadyErroring === true) {
|
|
abortRequest._reject(storedError);
|
|
WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
|
|
return;
|
|
}
|
|
var promise = stream._writableStreamController.__abortSteps(abortRequest._reason);
|
|
promise.then(function () {
|
|
abortRequest._resolve();
|
|
WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
|
|
}, function (reason) {
|
|
abortRequest._reject(reason);
|
|
WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
|
|
});
|
|
}
|
|
function WritableStreamFinishInFlightWrite(stream) {
|
|
assert(stream._inFlightWriteRequest !== undefined);
|
|
stream._inFlightWriteRequest._resolve(undefined);
|
|
stream._inFlightWriteRequest = undefined;
|
|
}
|
|
function WritableStreamFinishInFlightWriteWithError(stream, error) {
|
|
assert(stream._inFlightWriteRequest !== undefined);
|
|
stream._inFlightWriteRequest._reject(error);
|
|
stream._inFlightWriteRequest = undefined;
|
|
assert(stream._state === 'writable' || stream._state === 'erroring');
|
|
WritableStreamDealWithRejection(stream, error);
|
|
}
|
|
function WritableStreamFinishInFlightClose(stream) {
|
|
assert(stream._inFlightCloseRequest !== undefined);
|
|
stream._inFlightCloseRequest._resolve(undefined);
|
|
stream._inFlightCloseRequest = undefined;
|
|
var state = stream._state;
|
|
assert(state === 'writable' || state === 'erroring');
|
|
if (state === 'erroring') {
|
|
stream._storedError = undefined;
|
|
if (stream._pendingAbortRequest !== undefined) {
|
|
stream._pendingAbortRequest._resolve();
|
|
stream._pendingAbortRequest = undefined;
|
|
}
|
|
}
|
|
stream._state = 'closed';
|
|
var writer = stream._writer;
|
|
if (writer !== undefined) {
|
|
defaultWriterClosedPromiseResolve(writer);
|
|
}
|
|
assert(stream._pendingAbortRequest === undefined, 'stream._pendingAbortRequest === undefined');
|
|
assert(stream._storedError === undefined, 'stream._storedError === undefined');
|
|
}
|
|
function WritableStreamFinishInFlightCloseWithError(stream, error) {
|
|
assert(stream._inFlightCloseRequest !== undefined);
|
|
stream._inFlightCloseRequest._reject(error);
|
|
stream._inFlightCloseRequest = undefined;
|
|
assert(stream._state === 'writable' || stream._state === 'erroring');
|
|
if (stream._pendingAbortRequest !== undefined) {
|
|
stream._pendingAbortRequest._reject(error);
|
|
stream._pendingAbortRequest = undefined;
|
|
}
|
|
WritableStreamDealWithRejection(stream, error);
|
|
}
|
|
function WritableStreamCloseQueuedOrInFlight(stream) {
|
|
if (stream._closeRequest === undefined && stream._inFlightCloseRequest === undefined) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function WritableStreamHasOperationMarkedInFlight(stream) {
|
|
if (stream._inFlightWriteRequest === undefined && stream._inFlightCloseRequest === undefined) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function WritableStreamMarkCloseRequestInFlight(stream) {
|
|
assert(stream._inFlightCloseRequest === undefined);
|
|
assert(stream._closeRequest !== undefined);
|
|
stream._inFlightCloseRequest = stream._closeRequest;
|
|
stream._closeRequest = undefined;
|
|
}
|
|
function WritableStreamMarkFirstWriteRequestInFlight(stream) {
|
|
assert(stream._inFlightWriteRequest === undefined, 'there must be no pending write request');
|
|
assert(stream._writeRequests.length !== 0, 'writeRequests must not be empty');
|
|
stream._inFlightWriteRequest = stream._writeRequests.shift();
|
|
}
|
|
function WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) {
|
|
assert(stream._state === 'errored', '_stream_.[[state]] is `"errored"`');
|
|
if (stream._closeRequest !== undefined) {
|
|
assert(stream._inFlightCloseRequest === undefined);
|
|
stream._closeRequest._reject(stream._storedError);
|
|
stream._closeRequest = undefined;
|
|
}
|
|
var writer = stream._writer;
|
|
if (writer !== undefined) {
|
|
defaultWriterClosedPromiseReject(writer, stream._storedError);
|
|
writer._closedPromise.catch(function () {});
|
|
}
|
|
}
|
|
function WritableStreamUpdateBackpressure(stream, backpressure) {
|
|
assert(stream._state === 'writable');
|
|
assert(WritableStreamCloseQueuedOrInFlight(stream) === false);
|
|
var writer = stream._writer;
|
|
if (writer !== undefined && backpressure !== stream._backpressure) {
|
|
if (backpressure === true) {
|
|
defaultWriterReadyPromiseReset(writer);
|
|
} else {
|
|
assert(backpressure === false);
|
|
defaultWriterReadyPromiseResolve(writer);
|
|
}
|
|
}
|
|
stream._backpressure = backpressure;
|
|
}
|
|
var WritableStreamDefaultWriter = function () {
|
|
function WritableStreamDefaultWriter(stream) {
|
|
_classCallCheck(this, WritableStreamDefaultWriter);
|
|
if (IsWritableStream(stream) === false) {
|
|
throw new TypeError('WritableStreamDefaultWriter can only be constructed with a WritableStream instance');
|
|
}
|
|
if (IsWritableStreamLocked(stream) === true) {
|
|
throw new TypeError('This stream has already been locked for exclusive writing by another writer');
|
|
}
|
|
this._ownerWritableStream = stream;
|
|
stream._writer = this;
|
|
var state = stream._state;
|
|
if (state === 'writable') {
|
|
if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._backpressure === true) {
|
|
defaultWriterReadyPromiseInitialize(this);
|
|
} else {
|
|
defaultWriterReadyPromiseInitializeAsResolved(this);
|
|
}
|
|
defaultWriterClosedPromiseInitialize(this);
|
|
} else if (state === 'erroring') {
|
|
defaultWriterReadyPromiseInitializeAsRejected(this, stream._storedError);
|
|
this._readyPromise.catch(function () {});
|
|
defaultWriterClosedPromiseInitialize(this);
|
|
} else if (state === 'closed') {
|
|
defaultWriterReadyPromiseInitializeAsResolved(this);
|
|
defaultWriterClosedPromiseInitializeAsResolved(this);
|
|
} else {
|
|
assert(state === 'errored', 'state must be errored');
|
|
var storedError = stream._storedError;
|
|
defaultWriterReadyPromiseInitializeAsRejected(this, storedError);
|
|
this._readyPromise.catch(function () {});
|
|
defaultWriterClosedPromiseInitializeAsRejected(this, storedError);
|
|
this._closedPromise.catch(function () {});
|
|
}
|
|
}
|
|
_createClass(WritableStreamDefaultWriter, [{
|
|
key: 'abort',
|
|
value: function abort(reason) {
|
|
if (IsWritableStreamDefaultWriter(this) === false) {
|
|
return Promise.reject(defaultWriterBrandCheckException('abort'));
|
|
}
|
|
if (this._ownerWritableStream === undefined) {
|
|
return Promise.reject(defaultWriterLockException('abort'));
|
|
}
|
|
return WritableStreamDefaultWriterAbort(this, reason);
|
|
}
|
|
}, {
|
|
key: 'close',
|
|
value: function close() {
|
|
if (IsWritableStreamDefaultWriter(this) === false) {
|
|
return Promise.reject(defaultWriterBrandCheckException('close'));
|
|
}
|
|
var stream = this._ownerWritableStream;
|
|
if (stream === undefined) {
|
|
return Promise.reject(defaultWriterLockException('close'));
|
|
}
|
|
if (WritableStreamCloseQueuedOrInFlight(stream) === true) {
|
|
return Promise.reject(new TypeError('cannot close an already-closing stream'));
|
|
}
|
|
return WritableStreamDefaultWriterClose(this);
|
|
}
|
|
}, {
|
|
key: 'releaseLock',
|
|
value: function releaseLock() {
|
|
if (IsWritableStreamDefaultWriter(this) === false) {
|
|
throw defaultWriterBrandCheckException('releaseLock');
|
|
}
|
|
var stream = this._ownerWritableStream;
|
|
if (stream === undefined) {
|
|
return;
|
|
}
|
|
assert(stream._writer !== undefined);
|
|
WritableStreamDefaultWriterRelease(this);
|
|
}
|
|
}, {
|
|
key: 'write',
|
|
value: function write(chunk) {
|
|
if (IsWritableStreamDefaultWriter(this) === false) {
|
|
return Promise.reject(defaultWriterBrandCheckException('write'));
|
|
}
|
|
if (this._ownerWritableStream === undefined) {
|
|
return Promise.reject(defaultWriterLockException('write to'));
|
|
}
|
|
return WritableStreamDefaultWriterWrite(this, chunk);
|
|
}
|
|
}, {
|
|
key: 'closed',
|
|
get: function get() {
|
|
if (IsWritableStreamDefaultWriter(this) === false) {
|
|
return Promise.reject(defaultWriterBrandCheckException('closed'));
|
|
}
|
|
return this._closedPromise;
|
|
}
|
|
}, {
|
|
key: 'desiredSize',
|
|
get: function get() {
|
|
if (IsWritableStreamDefaultWriter(this) === false) {
|
|
throw defaultWriterBrandCheckException('desiredSize');
|
|
}
|
|
if (this._ownerWritableStream === undefined) {
|
|
throw defaultWriterLockException('desiredSize');
|
|
}
|
|
return WritableStreamDefaultWriterGetDesiredSize(this);
|
|
}
|
|
}, {
|
|
key: 'ready',
|
|
get: function get() {
|
|
if (IsWritableStreamDefaultWriter(this) === false) {
|
|
return Promise.reject(defaultWriterBrandCheckException('ready'));
|
|
}
|
|
return this._readyPromise;
|
|
}
|
|
}]);
|
|
return WritableStreamDefaultWriter;
|
|
}();
|
|
function IsWritableStreamDefaultWriter(x) {
|
|
if (!typeIsObject(x)) {
|
|
return false;
|
|
}
|
|
if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function WritableStreamDefaultWriterAbort(writer, reason) {
|
|
var stream = writer._ownerWritableStream;
|
|
assert(stream !== undefined);
|
|
return WritableStreamAbort(stream, reason);
|
|
}
|
|
function WritableStreamDefaultWriterClose(writer) {
|
|
var stream = writer._ownerWritableStream;
|
|
assert(stream !== undefined);
|
|
var state = stream._state;
|
|
if (state === 'closed' || state === 'errored') {
|
|
return Promise.reject(new TypeError('The stream (in ' + state + ' state) is not in the writable state and cannot be closed'));
|
|
}
|
|
assert(state === 'writable' || state === 'erroring');
|
|
assert(WritableStreamCloseQueuedOrInFlight(stream) === false);
|
|
var promise = new Promise(function (resolve, reject) {
|
|
var closeRequest = {
|
|
_resolve: resolve,
|
|
_reject: reject
|
|
};
|
|
stream._closeRequest = closeRequest;
|
|
});
|
|
if (stream._backpressure === true && state === 'writable') {
|
|
defaultWriterReadyPromiseResolve(writer);
|
|
}
|
|
WritableStreamDefaultControllerClose(stream._writableStreamController);
|
|
return promise;
|
|
}
|
|
function WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {
|
|
var stream = writer._ownerWritableStream;
|
|
assert(stream !== undefined);
|
|
var state = stream._state;
|
|
if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {
|
|
return Promise.resolve();
|
|
}
|
|
if (state === 'errored') {
|
|
return Promise.reject(stream._storedError);
|
|
}
|
|
assert(state === 'writable' || state === 'erroring');
|
|
return WritableStreamDefaultWriterClose(writer);
|
|
}
|
|
function WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, error) {
|
|
if (writer._closedPromiseState === 'pending') {
|
|
defaultWriterClosedPromiseReject(writer, error);
|
|
} else {
|
|
defaultWriterClosedPromiseResetToRejected(writer, error);
|
|
}
|
|
writer._closedPromise.catch(function () {});
|
|
}
|
|
function WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, error) {
|
|
if (writer._readyPromiseState === 'pending') {
|
|
defaultWriterReadyPromiseReject(writer, error);
|
|
} else {
|
|
defaultWriterReadyPromiseResetToRejected(writer, error);
|
|
}
|
|
writer._readyPromise.catch(function () {});
|
|
}
|
|
function WritableStreamDefaultWriterGetDesiredSize(writer) {
|
|
var stream = writer._ownerWritableStream;
|
|
var state = stream._state;
|
|
if (state === 'errored' || state === 'erroring') {
|
|
return null;
|
|
}
|
|
if (state === 'closed') {
|
|
return 0;
|
|
}
|
|
return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController);
|
|
}
|
|
function WritableStreamDefaultWriterRelease(writer) {
|
|
var stream = writer._ownerWritableStream;
|
|
assert(stream !== undefined);
|
|
assert(stream._writer === writer);
|
|
var releasedError = new TypeError('Writer was released and can no longer be used to monitor the stream\'s closedness');
|
|
WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, releasedError);
|
|
WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, releasedError);
|
|
stream._writer = undefined;
|
|
writer._ownerWritableStream = undefined;
|
|
}
|
|
function WritableStreamDefaultWriterWrite(writer, chunk) {
|
|
var stream = writer._ownerWritableStream;
|
|
assert(stream !== undefined);
|
|
var controller = stream._writableStreamController;
|
|
var chunkSize = WritableStreamDefaultControllerGetChunkSize(controller, chunk);
|
|
if (stream !== writer._ownerWritableStream) {
|
|
return Promise.reject(defaultWriterLockException('write to'));
|
|
}
|
|
var state = stream._state;
|
|
if (state === 'errored') {
|
|
return Promise.reject(stream._storedError);
|
|
}
|
|
if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {
|
|
return Promise.reject(new TypeError('The stream is closing or closed and cannot be written to'));
|
|
}
|
|
if (state === 'erroring') {
|
|
return Promise.reject(stream._storedError);
|
|
}
|
|
assert(state === 'writable');
|
|
var promise = WritableStreamAddWriteRequest(stream);
|
|
WritableStreamDefaultControllerWrite(controller, chunk, chunkSize);
|
|
return promise;
|
|
}
|
|
var WritableStreamDefaultController = function () {
|
|
function WritableStreamDefaultController(stream, underlyingSink, size, highWaterMark) {
|
|
_classCallCheck(this, WritableStreamDefaultController);
|
|
if (IsWritableStream(stream) === false) {
|
|
throw new TypeError('WritableStreamDefaultController can only be constructed with a WritableStream instance');
|
|
}
|
|
if (stream._writableStreamController !== undefined) {
|
|
throw new TypeError('WritableStreamDefaultController instances can only be created by the WritableStream constructor');
|
|
}
|
|
this._controlledWritableStream = stream;
|
|
this._underlyingSink = underlyingSink;
|
|
this._queue = undefined;
|
|
this._queueTotalSize = undefined;
|
|
ResetQueue(this);
|
|
this._started = false;
|
|
var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);
|
|
this._strategySize = normalizedStrategy.size;
|
|
this._strategyHWM = normalizedStrategy.highWaterMark;
|
|
var backpressure = WritableStreamDefaultControllerGetBackpressure(this);
|
|
WritableStreamUpdateBackpressure(stream, backpressure);
|
|
}
|
|
_createClass(WritableStreamDefaultController, [{
|
|
key: 'error',
|
|
value: function error(e) {
|
|
if (IsWritableStreamDefaultController(this) === false) {
|
|
throw new TypeError('WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController');
|
|
}
|
|
var state = this._controlledWritableStream._state;
|
|
if (state !== 'writable') {
|
|
return;
|
|
}
|
|
WritableStreamDefaultControllerError(this, e);
|
|
}
|
|
}, {
|
|
key: '__abortSteps',
|
|
value: function __abortSteps(reason) {
|
|
return PromiseInvokeOrNoop(this._underlyingSink, 'abort', [reason]);
|
|
}
|
|
}, {
|
|
key: '__errorSteps',
|
|
value: function __errorSteps() {
|
|
ResetQueue(this);
|
|
}
|
|
}, {
|
|
key: '__startSteps',
|
|
value: function __startSteps() {
|
|
var _this = this;
|
|
var startResult = InvokeOrNoop(this._underlyingSink, 'start', [this]);
|
|
var stream = this._controlledWritableStream;
|
|
Promise.resolve(startResult).then(function () {
|
|
assert(stream._state === 'writable' || stream._state === 'erroring');
|
|
_this._started = true;
|
|
WritableStreamDefaultControllerAdvanceQueueIfNeeded(_this);
|
|
}, function (r) {
|
|
assert(stream._state === 'writable' || stream._state === 'erroring');
|
|
_this._started = true;
|
|
WritableStreamDealWithRejection(stream, r);
|
|
}).catch(rethrowAssertionErrorRejection);
|
|
}
|
|
}]);
|
|
return WritableStreamDefaultController;
|
|
}();
|
|
function WritableStreamDefaultControllerClose(controller) {
|
|
EnqueueValueWithSize(controller, 'close', 0);
|
|
WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
|
|
}
|
|
function WritableStreamDefaultControllerGetChunkSize(controller, chunk) {
|
|
var strategySize = controller._strategySize;
|
|
if (strategySize === undefined) {
|
|
return 1;
|
|
}
|
|
try {
|
|
return strategySize(chunk);
|
|
} catch (chunkSizeE) {
|
|
WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);
|
|
return 1;
|
|
}
|
|
}
|
|
function WritableStreamDefaultControllerGetDesiredSize(controller) {
|
|
return controller._strategyHWM - controller._queueTotalSize;
|
|
}
|
|
function WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) {
|
|
var writeRecord = { chunk: chunk };
|
|
try {
|
|
EnqueueValueWithSize(controller, writeRecord, chunkSize);
|
|
} catch (enqueueE) {
|
|
WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);
|
|
return;
|
|
}
|
|
var stream = controller._controlledWritableStream;
|
|
if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._state === 'writable') {
|
|
var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
|
|
WritableStreamUpdateBackpressure(stream, backpressure);
|
|
}
|
|
WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
|
|
}
|
|
function IsWritableStreamDefaultController(x) {
|
|
if (!typeIsObject(x)) {
|
|
return false;
|
|
}
|
|
if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSink')) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) {
|
|
var stream = controller._controlledWritableStream;
|
|
if (controller._started === false) {
|
|
return;
|
|
}
|
|
if (stream._inFlightWriteRequest !== undefined) {
|
|
return;
|
|
}
|
|
var state = stream._state;
|
|
if (state === 'closed' || state === 'errored') {
|
|
return;
|
|
}
|
|
if (state === 'erroring') {
|
|
WritableStreamFinishErroring(stream);
|
|
return;
|
|
}
|
|
if (controller._queue.length === 0) {
|
|
return;
|
|
}
|
|
var writeRecord = PeekQueueValue(controller);
|
|
if (writeRecord === 'close') {
|
|
WritableStreamDefaultControllerProcessClose(controller);
|
|
} else {
|
|
WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk);
|
|
}
|
|
}
|
|
function WritableStreamDefaultControllerErrorIfNeeded(controller, error) {
|
|
if (controller._controlledWritableStream._state === 'writable') {
|
|
WritableStreamDefaultControllerError(controller, error);
|
|
}
|
|
}
|
|
function WritableStreamDefaultControllerProcessClose(controller) {
|
|
var stream = controller._controlledWritableStream;
|
|
WritableStreamMarkCloseRequestInFlight(stream);
|
|
DequeueValue(controller);
|
|
assert(controller._queue.length === 0, 'queue must be empty once the final write record is dequeued');
|
|
var sinkClosePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'close', []);
|
|
sinkClosePromise.then(function () {
|
|
WritableStreamFinishInFlightClose(stream);
|
|
}, function (reason) {
|
|
WritableStreamFinishInFlightCloseWithError(stream, reason);
|
|
}).catch(rethrowAssertionErrorRejection);
|
|
}
|
|
function WritableStreamDefaultControllerProcessWrite(controller, chunk) {
|
|
var stream = controller._controlledWritableStream;
|
|
WritableStreamMarkFirstWriteRequestInFlight(stream);
|
|
var sinkWritePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'write', [chunk, controller]);
|
|
sinkWritePromise.then(function () {
|
|
WritableStreamFinishInFlightWrite(stream);
|
|
var state = stream._state;
|
|
assert(state === 'writable' || state === 'erroring');
|
|
DequeueValue(controller);
|
|
if (WritableStreamCloseQueuedOrInFlight(stream) === false && state === 'writable') {
|
|
var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
|
|
WritableStreamUpdateBackpressure(stream, backpressure);
|
|
}
|
|
WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
|
|
}, function (reason) {
|
|
WritableStreamFinishInFlightWriteWithError(stream, reason);
|
|
}).catch(rethrowAssertionErrorRejection);
|
|
}
|
|
function WritableStreamDefaultControllerGetBackpressure(controller) {
|
|
var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);
|
|
return desiredSize <= 0;
|
|
}
|
|
function WritableStreamDefaultControllerError(controller, error) {
|
|
var stream = controller._controlledWritableStream;
|
|
assert(stream._state === 'writable');
|
|
WritableStreamStartErroring(stream, error);
|
|
}
|
|
function streamBrandCheckException(name) {
|
|
return new TypeError('WritableStream.prototype.' + name + ' can only be used on a WritableStream');
|
|
}
|
|
function defaultWriterBrandCheckException(name) {
|
|
return new TypeError('WritableStreamDefaultWriter.prototype.' + name + ' can only be used on a WritableStreamDefaultWriter');
|
|
}
|
|
function defaultWriterLockException(name) {
|
|
return new TypeError('Cannot ' + name + ' a stream using a released writer');
|
|
}
|
|
function defaultWriterClosedPromiseInitialize(writer) {
|
|
writer._closedPromise = new Promise(function (resolve, reject) {
|
|
writer._closedPromise_resolve = resolve;
|
|
writer._closedPromise_reject = reject;
|
|
writer._closedPromiseState = 'pending';
|
|
});
|
|
}
|
|
function defaultWriterClosedPromiseInitializeAsRejected(writer, reason) {
|
|
writer._closedPromise = Promise.reject(reason);
|
|
writer._closedPromise_resolve = undefined;
|
|
writer._closedPromise_reject = undefined;
|
|
writer._closedPromiseState = 'rejected';
|
|
}
|
|
function defaultWriterClosedPromiseInitializeAsResolved(writer) {
|
|
writer._closedPromise = Promise.resolve(undefined);
|
|
writer._closedPromise_resolve = undefined;
|
|
writer._closedPromise_reject = undefined;
|
|
writer._closedPromiseState = 'resolved';
|
|
}
|
|
function defaultWriterClosedPromiseReject(writer, reason) {
|
|
assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');
|
|
assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');
|
|
assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');
|
|
writer._closedPromise_reject(reason);
|
|
writer._closedPromise_resolve = undefined;
|
|
writer._closedPromise_reject = undefined;
|
|
writer._closedPromiseState = 'rejected';
|
|
}
|
|
function defaultWriterClosedPromiseResetToRejected(writer, reason) {
|
|
assert(writer._closedPromise_resolve === undefined, 'writer._closedPromise_resolve === undefined');
|
|
assert(writer._closedPromise_reject === undefined, 'writer._closedPromise_reject === undefined');
|
|
assert(writer._closedPromiseState !== 'pending', 'writer._closedPromiseState is not pending');
|
|
writer._closedPromise = Promise.reject(reason);
|
|
writer._closedPromiseState = 'rejected';
|
|
}
|
|
function defaultWriterClosedPromiseResolve(writer) {
|
|
assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');
|
|
assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');
|
|
assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');
|
|
writer._closedPromise_resolve(undefined);
|
|
writer._closedPromise_resolve = undefined;
|
|
writer._closedPromise_reject = undefined;
|
|
writer._closedPromiseState = 'resolved';
|
|
}
|
|
function defaultWriterReadyPromiseInitialize(writer) {
|
|
writer._readyPromise = new Promise(function (resolve, reject) {
|
|
writer._readyPromise_resolve = resolve;
|
|
writer._readyPromise_reject = reject;
|
|
});
|
|
writer._readyPromiseState = 'pending';
|
|
}
|
|
function defaultWriterReadyPromiseInitializeAsRejected(writer, reason) {
|
|
writer._readyPromise = Promise.reject(reason);
|
|
writer._readyPromise_resolve = undefined;
|
|
writer._readyPromise_reject = undefined;
|
|
writer._readyPromiseState = 'rejected';
|
|
}
|
|
function defaultWriterReadyPromiseInitializeAsResolved(writer) {
|
|
writer._readyPromise = Promise.resolve(undefined);
|
|
writer._readyPromise_resolve = undefined;
|
|
writer._readyPromise_reject = undefined;
|
|
writer._readyPromiseState = 'fulfilled';
|
|
}
|
|
function defaultWriterReadyPromiseReject(writer, reason) {
|
|
assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');
|
|
assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');
|
|
writer._readyPromise_reject(reason);
|
|
writer._readyPromise_resolve = undefined;
|
|
writer._readyPromise_reject = undefined;
|
|
writer._readyPromiseState = 'rejected';
|
|
}
|
|
function defaultWriterReadyPromiseReset(writer) {
|
|
assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');
|
|
assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');
|
|
writer._readyPromise = new Promise(function (resolve, reject) {
|
|
writer._readyPromise_resolve = resolve;
|
|
writer._readyPromise_reject = reject;
|
|
});
|
|
writer._readyPromiseState = 'pending';
|
|
}
|
|
function defaultWriterReadyPromiseResetToRejected(writer, reason) {
|
|
assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');
|
|
assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');
|
|
writer._readyPromise = Promise.reject(reason);
|
|
writer._readyPromiseState = 'rejected';
|
|
}
|
|
function defaultWriterReadyPromiseResolve(writer) {
|
|
assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');
|
|
assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');
|
|
writer._readyPromise_resolve(undefined);
|
|
writer._readyPromise_resolve = undefined;
|
|
writer._readyPromise_reject = undefined;
|
|
writer._readyPromiseState = 'fulfilled';
|
|
}
|
|
}, function (module, exports, __w_pdfjs_require__) {
|
|
"use strict";
|
|
|
|
var _require = __w_pdfjs_require__(0),
|
|
IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber;
|
|
var _require2 = __w_pdfjs_require__(1),
|
|
assert = _require2.assert;
|
|
exports.DequeueValue = function (container) {
|
|
assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: DequeueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');
|
|
assert(container._queue.length > 0, 'Spec-level failure: should never dequeue from an empty queue.');
|
|
var pair = container._queue.shift();
|
|
container._queueTotalSize -= pair.size;
|
|
if (container._queueTotalSize < 0) {
|
|
container._queueTotalSize = 0;
|
|
}
|
|
return pair.value;
|
|
};
|
|
exports.EnqueueValueWithSize = function (container, value, size) {
|
|
assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: EnqueueValueWithSize should only be used on containers with [[queue]] and ' + '[[queueTotalSize]].');
|
|
size = Number(size);
|
|
if (!IsFiniteNonNegativeNumber(size)) {
|
|
throw new RangeError('Size must be a finite, non-NaN, non-negative number.');
|
|
}
|
|
container._queue.push({
|
|
value: value,
|
|
size: size
|
|
});
|
|
container._queueTotalSize += size;
|
|
};
|
|
exports.PeekQueueValue = function (container) {
|
|
assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: PeekQueueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');
|
|
assert(container._queue.length > 0, 'Spec-level failure: should never peek at an empty queue.');
|
|
var pair = container._queue[0];
|
|
return pair.value;
|
|
};
|
|
exports.ResetQueue = function (container) {
|
|
assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: ResetQueue should only be used on containers with [[queue]] and [[queueTotalSize]].');
|
|
container._queue = [];
|
|
container._queueTotalSize = 0;
|
|
};
|
|
}, function (module, exports, __w_pdfjs_require__) {
|
|
"use strict";
|
|
|
|
var _createClass = function () {
|
|
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);
|
|
}
|
|
}
|
|
return function (Constructor, protoProps, staticProps) {
|
|
if (protoProps) defineProperties(Constructor.prototype, protoProps);
|
|
if (staticProps) defineProperties(Constructor, staticProps);
|
|
return Constructor;
|
|
};
|
|
}();
|
|
function _classCallCheck(instance, Constructor) {
|
|
if (!(instance instanceof Constructor)) {
|
|
throw new TypeError("Cannot call a class as a function");
|
|
}
|
|
}
|
|
var _require = __w_pdfjs_require__(0),
|
|
ArrayBufferCopy = _require.ArrayBufferCopy,
|
|
CreateIterResultObject = _require.CreateIterResultObject,
|
|
IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber,
|
|
InvokeOrNoop = _require.InvokeOrNoop,
|
|
PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,
|
|
TransferArrayBuffer = _require.TransferArrayBuffer,
|
|
ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,
|
|
ValidateAndNormalizeHighWaterMark = _require.ValidateAndNormalizeHighWaterMark;
|
|
var _require2 = __w_pdfjs_require__(0),
|
|
createArrayFromList = _require2.createArrayFromList,
|
|
createDataProperty = _require2.createDataProperty,
|
|
typeIsObject = _require2.typeIsObject;
|
|
var _require3 = __w_pdfjs_require__(1),
|
|
assert = _require3.assert,
|
|
rethrowAssertionErrorRejection = _require3.rethrowAssertionErrorRejection;
|
|
var _require4 = __w_pdfjs_require__(3),
|
|
DequeueValue = _require4.DequeueValue,
|
|
EnqueueValueWithSize = _require4.EnqueueValueWithSize,
|
|
ResetQueue = _require4.ResetQueue;
|
|
var _require5 = __w_pdfjs_require__(2),
|
|
AcquireWritableStreamDefaultWriter = _require5.AcquireWritableStreamDefaultWriter,
|
|
IsWritableStream = _require5.IsWritableStream,
|
|
IsWritableStreamLocked = _require5.IsWritableStreamLocked,
|
|
WritableStreamAbort = _require5.WritableStreamAbort,
|
|
WritableStreamDefaultWriterCloseWithErrorPropagation = _require5.WritableStreamDefaultWriterCloseWithErrorPropagation,
|
|
WritableStreamDefaultWriterRelease = _require5.WritableStreamDefaultWriterRelease,
|
|
WritableStreamDefaultWriterWrite = _require5.WritableStreamDefaultWriterWrite,
|
|
WritableStreamCloseQueuedOrInFlight = _require5.WritableStreamCloseQueuedOrInFlight;
|
|
var ReadableStream = function () {
|
|
function ReadableStream() {
|
|
var underlyingSource = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
|
|
var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
|
|
size = _ref.size,
|
|
highWaterMark = _ref.highWaterMark;
|
|
_classCallCheck(this, ReadableStream);
|
|
this._state = 'readable';
|
|
this._reader = undefined;
|
|
this._storedError = undefined;
|
|
this._disturbed = false;
|
|
this._readableStreamController = undefined;
|
|
var type = underlyingSource.type;
|
|
var typeString = String(type);
|
|
if (typeString === 'bytes') {
|
|
if (highWaterMark === undefined) {
|
|
highWaterMark = 0;
|
|
}
|
|
this._readableStreamController = new ReadableByteStreamController(this, underlyingSource, highWaterMark);
|
|
} else if (type === undefined) {
|
|
if (highWaterMark === undefined) {
|
|
highWaterMark = 1;
|
|
}
|
|
this._readableStreamController = new ReadableStreamDefaultController(this, underlyingSource, size, highWaterMark);
|
|
} else {
|
|
throw new RangeError('Invalid type is specified');
|
|
}
|
|
}
|
|
_createClass(ReadableStream, [{
|
|
key: 'cancel',
|
|
value: function cancel(reason) {
|
|
if (IsReadableStream(this) === false) {
|
|
return Promise.reject(streamBrandCheckException('cancel'));
|
|
}
|
|
if (IsReadableStreamLocked(this) === true) {
|
|
return Promise.reject(new TypeError('Cannot cancel a stream that already has a reader'));
|
|
}
|
|
return ReadableStreamCancel(this, reason);
|
|
}
|
|
}, {
|
|
key: 'getReader',
|
|
value: function getReader() {
|
|
var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
|
|
mode = _ref2.mode;
|
|
if (IsReadableStream(this) === false) {
|
|
throw streamBrandCheckException('getReader');
|
|
}
|
|
if (mode === undefined) {
|
|
return AcquireReadableStreamDefaultReader(this);
|
|
}
|
|
mode = String(mode);
|
|
if (mode === 'byob') {
|
|
return AcquireReadableStreamBYOBReader(this);
|
|
}
|
|
throw new RangeError('Invalid mode is specified');
|
|
}
|
|
}, {
|
|
key: 'pipeThrough',
|
|
value: function pipeThrough(_ref3, options) {
|
|
var writable = _ref3.writable,
|
|
readable = _ref3.readable;
|
|
var promise = this.pipeTo(writable, options);
|
|
ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise);
|
|
return readable;
|
|
}
|
|
}, {
|
|
key: 'pipeTo',
|
|
value: function pipeTo(dest) {
|
|
var _this = this;
|
|
var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
|
|
preventClose = _ref4.preventClose,
|
|
preventAbort = _ref4.preventAbort,
|
|
preventCancel = _ref4.preventCancel;
|
|
if (IsReadableStream(this) === false) {
|
|
return Promise.reject(streamBrandCheckException('pipeTo'));
|
|
}
|
|
if (IsWritableStream(dest) === false) {
|
|
return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo\'s first argument must be a WritableStream'));
|
|
}
|
|
preventClose = Boolean(preventClose);
|
|
preventAbort = Boolean(preventAbort);
|
|
preventCancel = Boolean(preventCancel);
|
|
if (IsReadableStreamLocked(this) === true) {
|
|
return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream'));
|
|
}
|
|
if (IsWritableStreamLocked(dest) === true) {
|
|
return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream'));
|
|
}
|
|
var reader = AcquireReadableStreamDefaultReader(this);
|
|
var writer = AcquireWritableStreamDefaultWriter(dest);
|
|
var shuttingDown = false;
|
|
var currentWrite = Promise.resolve();
|
|
return new Promise(function (resolve, reject) {
|
|
function pipeLoop() {
|
|
currentWrite = Promise.resolve();
|
|
if (shuttingDown === true) {
|
|
return Promise.resolve();
|
|
}
|
|
return writer._readyPromise.then(function () {
|
|
return ReadableStreamDefaultReaderRead(reader).then(function (_ref5) {
|
|
var value = _ref5.value,
|
|
done = _ref5.done;
|
|
if (done === true) {
|
|
return;
|
|
}
|
|
currentWrite = WritableStreamDefaultWriterWrite(writer, value).catch(function () {});
|
|
});
|
|
}).then(pipeLoop);
|
|
}
|
|
isOrBecomesErrored(_this, reader._closedPromise, function (storedError) {
|
|
if (preventAbort === false) {
|
|
shutdownWithAction(function () {
|
|
return WritableStreamAbort(dest, storedError);
|
|
}, true, storedError);
|
|
} else {
|
|
shutdown(true, storedError);
|
|
}
|
|
});
|
|
isOrBecomesErrored(dest, writer._closedPromise, function (storedError) {
|
|
if (preventCancel === false) {
|
|
shutdownWithAction(function () {
|
|
return ReadableStreamCancel(_this, storedError);
|
|
}, true, storedError);
|
|
} else {
|
|
shutdown(true, storedError);
|
|
}
|
|
});
|
|
isOrBecomesClosed(_this, reader._closedPromise, function () {
|
|
if (preventClose === false) {
|
|
shutdownWithAction(function () {
|
|
return WritableStreamDefaultWriterCloseWithErrorPropagation(writer);
|
|
});
|
|
} else {
|
|
shutdown();
|
|
}
|
|
});
|
|
if (WritableStreamCloseQueuedOrInFlight(dest) === true || dest._state === 'closed') {
|
|
var destClosed = new TypeError('the destination writable stream closed before all data could be piped to it');
|
|
if (preventCancel === false) {
|
|
shutdownWithAction(function () {
|
|
return ReadableStreamCancel(_this, destClosed);
|
|
}, true, destClosed);
|
|
} else {
|
|
shutdown(true, destClosed);
|
|
}
|
|
}
|
|
pipeLoop().catch(function (err) {
|
|
currentWrite = Promise.resolve();
|
|
rethrowAssertionErrorRejection(err);
|
|
});
|
|
function waitForWritesToFinish() {
|
|
var oldCurrentWrite = currentWrite;
|
|
return currentWrite.then(function () {
|
|
return oldCurrentWrite !== currentWrite ? waitForWritesToFinish() : undefined;
|
|
});
|
|
}
|
|
function isOrBecomesErrored(stream, promise, action) {
|
|
if (stream._state === 'errored') {
|
|
action(stream._storedError);
|
|
} else {
|
|
promise.catch(action).catch(rethrowAssertionErrorRejection);
|
|
}
|
|
}
|
|
function isOrBecomesClosed(stream, promise, action) {
|
|
if (stream._state === 'closed') {
|
|
action();
|
|
} else {
|
|
promise.then(action).catch(rethrowAssertionErrorRejection);
|
|
}
|
|
}
|
|
function shutdownWithAction(action, originalIsError, originalError) {
|
|
if (shuttingDown === true) {
|
|
return;
|
|
}
|
|
shuttingDown = true;
|
|
if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {
|
|
waitForWritesToFinish().then(doTheRest);
|
|
} else {
|
|
doTheRest();
|
|
}
|
|
function doTheRest() {
|
|
action().then(function () {
|
|
return finalize(originalIsError, originalError);
|
|
}, function (newError) {
|
|
return finalize(true, newError);
|
|
}).catch(rethrowAssertionErrorRejection);
|
|
}
|
|
}
|
|
function shutdown(isError, error) {
|
|
if (shuttingDown === true) {
|
|
return;
|
|
}
|
|
shuttingDown = true;
|
|
if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {
|
|
waitForWritesToFinish().then(function () {
|
|
return finalize(isError, error);
|
|
}).catch(rethrowAssertionErrorRejection);
|
|
} else {
|
|
finalize(isError, error);
|
|
}
|
|
}
|
|
function finalize(isError, error) {
|
|
WritableStreamDefaultWriterRelease(writer);
|
|
ReadableStreamReaderGenericRelease(reader);
|
|
if (isError) {
|
|
reject(error);
|
|
} else {
|
|
resolve(undefined);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}, {
|
|
key: 'tee',
|
|
value: function tee() {
|
|
if (IsReadableStream(this) === false) {
|
|
throw streamBrandCheckException('tee');
|
|
}
|
|
var branches = ReadableStreamTee(this, false);
|
|
return createArrayFromList(branches);
|
|
}
|
|
}, {
|
|
key: 'locked',
|
|
get: function get() {
|
|
if (IsReadableStream(this) === false) {
|
|
throw streamBrandCheckException('locked');
|
|
}
|
|
return IsReadableStreamLocked(this);
|
|
}
|
|
}]);
|
|
return ReadableStream;
|
|
}();
|
|
module.exports = {
|
|
ReadableStream: ReadableStream,
|
|
IsReadableStreamDisturbed: IsReadableStreamDisturbed,
|
|
ReadableStreamDefaultControllerClose: ReadableStreamDefaultControllerClose,
|
|
ReadableStreamDefaultControllerEnqueue: ReadableStreamDefaultControllerEnqueue,
|
|
ReadableStreamDefaultControllerError: ReadableStreamDefaultControllerError,
|
|
ReadableStreamDefaultControllerGetDesiredSize: ReadableStreamDefaultControllerGetDesiredSize
|
|
};
|
|
function AcquireReadableStreamBYOBReader(stream) {
|
|
return new ReadableStreamBYOBReader(stream);
|
|
}
|
|
function AcquireReadableStreamDefaultReader(stream) {
|
|
return new ReadableStreamDefaultReader(stream);
|
|
}
|
|
function IsReadableStream(x) {
|
|
if (!typeIsObject(x)) {
|
|
return false;
|
|
}
|
|
if (!Object.prototype.hasOwnProperty.call(x, '_readableStreamController')) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function IsReadableStreamDisturbed(stream) {
|
|
assert(IsReadableStream(stream) === true, 'IsReadableStreamDisturbed should only be used on known readable streams');
|
|
return stream._disturbed;
|
|
}
|
|
function IsReadableStreamLocked(stream) {
|
|
assert(IsReadableStream(stream) === true, 'IsReadableStreamLocked should only be used on known readable streams');
|
|
if (stream._reader === undefined) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function ReadableStreamTee(stream, cloneForBranch2) {
|
|
assert(IsReadableStream(stream) === true);
|
|
assert(typeof cloneForBranch2 === 'boolean');
|
|
var reader = AcquireReadableStreamDefaultReader(stream);
|
|
var teeState = {
|
|
closedOrErrored: false,
|
|
canceled1: false,
|
|
canceled2: false,
|
|
reason1: undefined,
|
|
reason2: undefined
|
|
};
|
|
teeState.promise = new Promise(function (resolve) {
|
|
teeState._resolve = resolve;
|
|
});
|
|
var pull = create_ReadableStreamTeePullFunction();
|
|
pull._reader = reader;
|
|
pull._teeState = teeState;
|
|
pull._cloneForBranch2 = cloneForBranch2;
|
|
var cancel1 = create_ReadableStreamTeeBranch1CancelFunction();
|
|
cancel1._stream = stream;
|
|
cancel1._teeState = teeState;
|
|
var cancel2 = create_ReadableStreamTeeBranch2CancelFunction();
|
|
cancel2._stream = stream;
|
|
cancel2._teeState = teeState;
|
|
var underlyingSource1 = Object.create(Object.prototype);
|
|
createDataProperty(underlyingSource1, 'pull', pull);
|
|
createDataProperty(underlyingSource1, 'cancel', cancel1);
|
|
var branch1Stream = new ReadableStream(underlyingSource1);
|
|
var underlyingSource2 = Object.create(Object.prototype);
|
|
createDataProperty(underlyingSource2, 'pull', pull);
|
|
createDataProperty(underlyingSource2, 'cancel', cancel2);
|
|
var branch2Stream = new ReadableStream(underlyingSource2);
|
|
pull._branch1 = branch1Stream._readableStreamController;
|
|
pull._branch2 = branch2Stream._readableStreamController;
|
|
reader._closedPromise.catch(function (r) {
|
|
if (teeState.closedOrErrored === true) {
|
|
return;
|
|
}
|
|
ReadableStreamDefaultControllerError(pull._branch1, r);
|
|
ReadableStreamDefaultControllerError(pull._branch2, r);
|
|
teeState.closedOrErrored = true;
|
|
});
|
|
return [branch1Stream, branch2Stream];
|
|
}
|
|
function create_ReadableStreamTeePullFunction() {
|
|
function f() {
|
|
var reader = f._reader,
|
|
branch1 = f._branch1,
|
|
branch2 = f._branch2,
|
|
teeState = f._teeState;
|
|
return ReadableStreamDefaultReaderRead(reader).then(function (result) {
|
|
assert(typeIsObject(result));
|
|
var value = result.value;
|
|
var done = result.done;
|
|
assert(typeof done === 'boolean');
|
|
if (done === true && teeState.closedOrErrored === false) {
|
|
if (teeState.canceled1 === false) {
|
|
ReadableStreamDefaultControllerClose(branch1);
|
|
}
|
|
if (teeState.canceled2 === false) {
|
|
ReadableStreamDefaultControllerClose(branch2);
|
|
}
|
|
teeState.closedOrErrored = true;
|
|
}
|
|
if (teeState.closedOrErrored === true) {
|
|
return;
|
|
}
|
|
var value1 = value;
|
|
var value2 = value;
|
|
if (teeState.canceled1 === false) {
|
|
ReadableStreamDefaultControllerEnqueue(branch1, value1);
|
|
}
|
|
if (teeState.canceled2 === false) {
|
|
ReadableStreamDefaultControllerEnqueue(branch2, value2);
|
|
}
|
|
});
|
|
}
|
|
return f;
|
|
}
|
|
function create_ReadableStreamTeeBranch1CancelFunction() {
|
|
function f(reason) {
|
|
var stream = f._stream,
|
|
teeState = f._teeState;
|
|
teeState.canceled1 = true;
|
|
teeState.reason1 = reason;
|
|
if (teeState.canceled2 === true) {
|
|
var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);
|
|
var cancelResult = ReadableStreamCancel(stream, compositeReason);
|
|
teeState._resolve(cancelResult);
|
|
}
|
|
return teeState.promise;
|
|
}
|
|
return f;
|
|
}
|
|
function create_ReadableStreamTeeBranch2CancelFunction() {
|
|
function f(reason) {
|
|
var stream = f._stream,
|
|
teeState = f._teeState;
|
|
teeState.canceled2 = true;
|
|
teeState.reason2 = reason;
|
|
if (teeState.canceled1 === true) {
|
|
var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);
|
|
var cancelResult = ReadableStreamCancel(stream, compositeReason);
|
|
teeState._resolve(cancelResult);
|
|
}
|
|
return teeState.promise;
|
|
}
|
|
return f;
|
|
}
|
|
function ReadableStreamAddReadIntoRequest(stream) {
|
|
assert(IsReadableStreamBYOBReader(stream._reader) === true);
|
|
assert(stream._state === 'readable' || stream._state === 'closed');
|
|
var promise = new Promise(function (resolve, reject) {
|
|
var readIntoRequest = {
|
|
_resolve: resolve,
|
|
_reject: reject
|
|
};
|
|
stream._reader._readIntoRequests.push(readIntoRequest);
|
|
});
|
|
return promise;
|
|
}
|
|
function ReadableStreamAddReadRequest(stream) {
|
|
assert(IsReadableStreamDefaultReader(stream._reader) === true);
|
|
assert(stream._state === 'readable');
|
|
var promise = new Promise(function (resolve, reject) {
|
|
var readRequest = {
|
|
_resolve: resolve,
|
|
_reject: reject
|
|
};
|
|
stream._reader._readRequests.push(readRequest);
|
|
});
|
|
return promise;
|
|
}
|
|
function ReadableStreamCancel(stream, reason) {
|
|
stream._disturbed = true;
|
|
if (stream._state === 'closed') {
|
|
return Promise.resolve(undefined);
|
|
}
|
|
if (stream._state === 'errored') {
|
|
return Promise.reject(stream._storedError);
|
|
}
|
|
ReadableStreamClose(stream);
|
|
var sourceCancelPromise = stream._readableStreamController.__cancelSteps(reason);
|
|
return sourceCancelPromise.then(function () {
|
|
return undefined;
|
|
});
|
|
}
|
|
function ReadableStreamClose(stream) {
|
|
assert(stream._state === 'readable');
|
|
stream._state = 'closed';
|
|
var reader = stream._reader;
|
|
if (reader === undefined) {
|
|
return undefined;
|
|
}
|
|
if (IsReadableStreamDefaultReader(reader) === true) {
|
|
for (var i = 0; i < reader._readRequests.length; i++) {
|
|
var _resolve = reader._readRequests[i]._resolve;
|
|
_resolve(CreateIterResultObject(undefined, true));
|
|
}
|
|
reader._readRequests = [];
|
|
}
|
|
defaultReaderClosedPromiseResolve(reader);
|
|
return undefined;
|
|
}
|
|
function ReadableStreamError(stream, e) {
|
|
assert(IsReadableStream(stream) === true, 'stream must be ReadableStream');
|
|
assert(stream._state === 'readable', 'state must be readable');
|
|
stream._state = 'errored';
|
|
stream._storedError = e;
|
|
var reader = stream._reader;
|
|
if (reader === undefined) {
|
|
return undefined;
|
|
}
|
|
if (IsReadableStreamDefaultReader(reader) === true) {
|
|
for (var i = 0; i < reader._readRequests.length; i++) {
|
|
var readRequest = reader._readRequests[i];
|
|
readRequest._reject(e);
|
|
}
|
|
reader._readRequests = [];
|
|
} else {
|
|
assert(IsReadableStreamBYOBReader(reader), 'reader must be ReadableStreamBYOBReader');
|
|
for (var _i = 0; _i < reader._readIntoRequests.length; _i++) {
|
|
var readIntoRequest = reader._readIntoRequests[_i];
|
|
readIntoRequest._reject(e);
|
|
}
|
|
reader._readIntoRequests = [];
|
|
}
|
|
defaultReaderClosedPromiseReject(reader, e);
|
|
reader._closedPromise.catch(function () {});
|
|
}
|
|
function ReadableStreamFulfillReadIntoRequest(stream, chunk, done) {
|
|
var reader = stream._reader;
|
|
assert(reader._readIntoRequests.length > 0);
|
|
var readIntoRequest = reader._readIntoRequests.shift();
|
|
readIntoRequest._resolve(CreateIterResultObject(chunk, done));
|
|
}
|
|
function ReadableStreamFulfillReadRequest(stream, chunk, done) {
|
|
var reader = stream._reader;
|
|
assert(reader._readRequests.length > 0);
|
|
var readRequest = reader._readRequests.shift();
|
|
readRequest._resolve(CreateIterResultObject(chunk, done));
|
|
}
|
|
function ReadableStreamGetNumReadIntoRequests(stream) {
|
|
return stream._reader._readIntoRequests.length;
|
|
}
|
|
function ReadableStreamGetNumReadRequests(stream) {
|
|
return stream._reader._readRequests.length;
|
|
}
|
|
function ReadableStreamHasBYOBReader(stream) {
|
|
var reader = stream._reader;
|
|
if (reader === undefined) {
|
|
return false;
|
|
}
|
|
if (IsReadableStreamBYOBReader(reader) === false) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function ReadableStreamHasDefaultReader(stream) {
|
|
var reader = stream._reader;
|
|
if (reader === undefined) {
|
|
return false;
|
|
}
|
|
if (IsReadableStreamDefaultReader(reader) === false) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
var ReadableStreamDefaultReader = function () {
|
|
function ReadableStreamDefaultReader(stream) {
|
|
_classCallCheck(this, ReadableStreamDefaultReader);
|
|
if (IsReadableStream(stream) === false) {
|
|
throw new TypeError('ReadableStreamDefaultReader can only be constructed with a ReadableStream instance');
|
|
}
|
|
if (IsReadableStreamLocked(stream) === true) {
|
|
throw new TypeError('This stream has already been locked for exclusive reading by another reader');
|
|
}
|
|
ReadableStreamReaderGenericInitialize(this, stream);
|
|
this._readRequests = [];
|
|
}
|
|
_createClass(ReadableStreamDefaultReader, [{
|
|
key: 'cancel',
|
|
value: function cancel(reason) {
|
|
if (IsReadableStreamDefaultReader(this) === false) {
|
|
return Promise.reject(defaultReaderBrandCheckException('cancel'));
|
|
}
|
|
if (this._ownerReadableStream === undefined) {
|
|
return Promise.reject(readerLockException('cancel'));
|
|
}
|
|
return ReadableStreamReaderGenericCancel(this, reason);
|
|
}
|
|
}, {
|
|
key: 'read',
|
|
value: function read() {
|
|
if (IsReadableStreamDefaultReader(this) === false) {
|
|
return Promise.reject(defaultReaderBrandCheckException('read'));
|
|
}
|
|
if (this._ownerReadableStream === undefined) {
|
|
return Promise.reject(readerLockException('read from'));
|
|
}
|
|
return ReadableStreamDefaultReaderRead(this);
|
|
}
|
|
}, {
|
|
key: 'releaseLock',
|
|
value: function releaseLock() {
|
|
if (IsReadableStreamDefaultReader(this) === false) {
|
|
throw defaultReaderBrandCheckException('releaseLock');
|
|
}
|
|
if (this._ownerReadableStream === undefined) {
|
|
return;
|
|
}
|
|
if (this._readRequests.length > 0) {
|
|
throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');
|
|
}
|
|
ReadableStreamReaderGenericRelease(this);
|
|
}
|
|
}, {
|
|
key: 'closed',
|
|
get: function get() {
|
|
if (IsReadableStreamDefaultReader(this) === false) {
|
|
return Promise.reject(defaultReaderBrandCheckException('closed'));
|
|
}
|
|
return this._closedPromise;
|
|
}
|
|
}]);
|
|
return ReadableStreamDefaultReader;
|
|
}();
|
|
var ReadableStreamBYOBReader = function () {
|
|
function ReadableStreamBYOBReader(stream) {
|
|
_classCallCheck(this, ReadableStreamBYOBReader);
|
|
if (!IsReadableStream(stream)) {
|
|
throw new TypeError('ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a ' + 'byte source');
|
|
}
|
|
if (IsReadableByteStreamController(stream._readableStreamController) === false) {
|
|
throw new TypeError('Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte ' + 'source');
|
|
}
|
|
if (IsReadableStreamLocked(stream)) {
|
|
throw new TypeError('This stream has already been locked for exclusive reading by another reader');
|
|
}
|
|
ReadableStreamReaderGenericInitialize(this, stream);
|
|
this._readIntoRequests = [];
|
|
}
|
|
_createClass(ReadableStreamBYOBReader, [{
|
|
key: 'cancel',
|
|
value: function cancel(reason) {
|
|
if (!IsReadableStreamBYOBReader(this)) {
|
|
return Promise.reject(byobReaderBrandCheckException('cancel'));
|
|
}
|
|
if (this._ownerReadableStream === undefined) {
|
|
return Promise.reject(readerLockException('cancel'));
|
|
}
|
|
return ReadableStreamReaderGenericCancel(this, reason);
|
|
}
|
|
}, {
|
|
key: 'read',
|
|
value: function read(view) {
|
|
if (!IsReadableStreamBYOBReader(this)) {
|
|
return Promise.reject(byobReaderBrandCheckException('read'));
|
|
}
|
|
if (this._ownerReadableStream === undefined) {
|
|
return Promise.reject(readerLockException('read from'));
|
|
}
|
|
if (!ArrayBuffer.isView(view)) {
|
|
return Promise.reject(new TypeError('view must be an array buffer view'));
|
|
}
|
|
if (view.byteLength === 0) {
|
|
return Promise.reject(new TypeError('view must have non-zero byteLength'));
|
|
}
|
|
return ReadableStreamBYOBReaderRead(this, view);
|
|
}
|
|
}, {
|
|
key: 'releaseLock',
|
|
value: function releaseLock() {
|
|
if (!IsReadableStreamBYOBReader(this)) {
|
|
throw byobReaderBrandCheckException('releaseLock');
|
|
}
|
|
if (this._ownerReadableStream === undefined) {
|
|
return;
|
|
}
|
|
if (this._readIntoRequests.length > 0) {
|
|
throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');
|
|
}
|
|
ReadableStreamReaderGenericRelease(this);
|
|
}
|
|
}, {
|
|
key: 'closed',
|
|
get: function get() {
|
|
if (!IsReadableStreamBYOBReader(this)) {
|
|
return Promise.reject(byobReaderBrandCheckException('closed'));
|
|
}
|
|
return this._closedPromise;
|
|
}
|
|
}]);
|
|
return ReadableStreamBYOBReader;
|
|
}();
|
|
function IsReadableStreamBYOBReader(x) {
|
|
if (!typeIsObject(x)) {
|
|
return false;
|
|
}
|
|
if (!Object.prototype.hasOwnProperty.call(x, '_readIntoRequests')) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function IsReadableStreamDefaultReader(x) {
|
|
if (!typeIsObject(x)) {
|
|
return false;
|
|
}
|
|
if (!Object.prototype.hasOwnProperty.call(x, '_readRequests')) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function ReadableStreamReaderGenericInitialize(reader, stream) {
|
|
reader._ownerReadableStream = stream;
|
|
stream._reader = reader;
|
|
if (stream._state === 'readable') {
|
|
defaultReaderClosedPromiseInitialize(reader);
|
|
} else if (stream._state === 'closed') {
|
|
defaultReaderClosedPromiseInitializeAsResolved(reader);
|
|
} else {
|
|
assert(stream._state === 'errored', 'state must be errored');
|
|
defaultReaderClosedPromiseInitializeAsRejected(reader, stream._storedError);
|
|
reader._closedPromise.catch(function () {});
|
|
}
|
|
}
|
|
function ReadableStreamReaderGenericCancel(reader, reason) {
|
|
var stream = reader._ownerReadableStream;
|
|
assert(stream !== undefined);
|
|
return ReadableStreamCancel(stream, reason);
|
|
}
|
|
function ReadableStreamReaderGenericRelease(reader) {
|
|
assert(reader._ownerReadableStream !== undefined);
|
|
assert(reader._ownerReadableStream._reader === reader);
|
|
if (reader._ownerReadableStream._state === 'readable') {
|
|
defaultReaderClosedPromiseReject(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness'));
|
|
} else {
|
|
defaultReaderClosedPromiseResetToRejected(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness'));
|
|
}
|
|
reader._closedPromise.catch(function () {});
|
|
reader._ownerReadableStream._reader = undefined;
|
|
reader._ownerReadableStream = undefined;
|
|
}
|
|
function ReadableStreamBYOBReaderRead(reader, view) {
|
|
var stream = reader._ownerReadableStream;
|
|
assert(stream !== undefined);
|
|
stream._disturbed = true;
|
|
if (stream._state === 'errored') {
|
|
return Promise.reject(stream._storedError);
|
|
}
|
|
return ReadableByteStreamControllerPullInto(stream._readableStreamController, view);
|
|
}
|
|
function ReadableStreamDefaultReaderRead(reader) {
|
|
var stream = reader._ownerReadableStream;
|
|
assert(stream !== undefined);
|
|
stream._disturbed = true;
|
|
if (stream._state === 'closed') {
|
|
return Promise.resolve(CreateIterResultObject(undefined, true));
|
|
}
|
|
if (stream._state === 'errored') {
|
|
return Promise.reject(stream._storedError);
|
|
}
|
|
assert(stream._state === 'readable');
|
|
return stream._readableStreamController.__pullSteps();
|
|
}
|
|
var ReadableStreamDefaultController = function () {
|
|
function ReadableStreamDefaultController(stream, underlyingSource, size, highWaterMark) {
|
|
_classCallCheck(this, ReadableStreamDefaultController);
|
|
if (IsReadableStream(stream) === false) {
|
|
throw new TypeError('ReadableStreamDefaultController can only be constructed with a ReadableStream instance');
|
|
}
|
|
if (stream._readableStreamController !== undefined) {
|
|
throw new TypeError('ReadableStreamDefaultController instances can only be created by the ReadableStream constructor');
|
|
}
|
|
this._controlledReadableStream = stream;
|
|
this._underlyingSource = underlyingSource;
|
|
this._queue = undefined;
|
|
this._queueTotalSize = undefined;
|
|
ResetQueue(this);
|
|
this._started = false;
|
|
this._closeRequested = false;
|
|
this._pullAgain = false;
|
|
this._pulling = false;
|
|
var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);
|
|
this._strategySize = normalizedStrategy.size;
|
|
this._strategyHWM = normalizedStrategy.highWaterMark;
|
|
var controller = this;
|
|
var startResult = InvokeOrNoop(underlyingSource, 'start', [this]);
|
|
Promise.resolve(startResult).then(function () {
|
|
controller._started = true;
|
|
assert(controller._pulling === false);
|
|
assert(controller._pullAgain === false);
|
|
ReadableStreamDefaultControllerCallPullIfNeeded(controller);
|
|
}, function (r) {
|
|
ReadableStreamDefaultControllerErrorIfNeeded(controller, r);
|
|
}).catch(rethrowAssertionErrorRejection);
|
|
}
|
|
_createClass(ReadableStreamDefaultController, [{
|
|
key: 'close',
|
|
value: function close() {
|
|
if (IsReadableStreamDefaultController(this) === false) {
|
|
throw defaultControllerBrandCheckException('close');
|
|
}
|
|
if (this._closeRequested === true) {
|
|
throw new TypeError('The stream has already been closed; do not close it again!');
|
|
}
|
|
var state = this._controlledReadableStream._state;
|
|
if (state !== 'readable') {
|
|
throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');
|
|
}
|
|
ReadableStreamDefaultControllerClose(this);
|
|
}
|
|
}, {
|
|
key: 'enqueue',
|
|
value: function enqueue(chunk) {
|
|
if (IsReadableStreamDefaultController(this) === false) {
|
|
throw defaultControllerBrandCheckException('enqueue');
|
|
}
|
|
if (this._closeRequested === true) {
|
|
throw new TypeError('stream is closed or draining');
|
|
}
|
|
var state = this._controlledReadableStream._state;
|
|
if (state !== 'readable') {
|
|
throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');
|
|
}
|
|
return ReadableStreamDefaultControllerEnqueue(this, chunk);
|
|
}
|
|
}, {
|
|
key: 'error',
|
|
value: function error(e) {
|
|
if (IsReadableStreamDefaultController(this) === false) {
|
|
throw defaultControllerBrandCheckException('error');
|
|
}
|
|
var stream = this._controlledReadableStream;
|
|
if (stream._state !== 'readable') {
|
|
throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');
|
|
}
|
|
ReadableStreamDefaultControllerError(this, e);
|
|
}
|
|
}, {
|
|
key: '__cancelSteps',
|
|
value: function __cancelSteps(reason) {
|
|
ResetQueue(this);
|
|
return PromiseInvokeOrNoop(this._underlyingSource, 'cancel', [reason]);
|
|
}
|
|
}, {
|
|
key: '__pullSteps',
|
|
value: function __pullSteps() {
|
|
var stream = this._controlledReadableStream;
|
|
if (this._queue.length > 0) {
|
|
var chunk = DequeueValue(this);
|
|
if (this._closeRequested === true && this._queue.length === 0) {
|
|
ReadableStreamClose(stream);
|
|
} else {
|
|
ReadableStreamDefaultControllerCallPullIfNeeded(this);
|
|
}
|
|
return Promise.resolve(CreateIterResultObject(chunk, false));
|
|
}
|
|
var pendingPromise = ReadableStreamAddReadRequest(stream);
|
|
ReadableStreamDefaultControllerCallPullIfNeeded(this);
|
|
return pendingPromise;
|
|
}
|
|
}, {
|
|
key: 'desiredSize',
|
|
get: function get() {
|
|
if (IsReadableStreamDefaultController(this) === false) {
|
|
throw defaultControllerBrandCheckException('desiredSize');
|
|
}
|
|
return ReadableStreamDefaultControllerGetDesiredSize(this);
|
|
}
|
|
}]);
|
|
return ReadableStreamDefaultController;
|
|
}();
|
|
function IsReadableStreamDefaultController(x) {
|
|
if (!typeIsObject(x)) {
|
|
return false;
|
|
}
|
|
if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSource')) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function ReadableStreamDefaultControllerCallPullIfNeeded(controller) {
|
|
var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller);
|
|
if (shouldPull === false) {
|
|
return undefined;
|
|
}
|
|
if (controller._pulling === true) {
|
|
controller._pullAgain = true;
|
|
return undefined;
|
|
}
|
|
assert(controller._pullAgain === false);
|
|
controller._pulling = true;
|
|
var pullPromise = PromiseInvokeOrNoop(controller._underlyingSource, 'pull', [controller]);
|
|
pullPromise.then(function () {
|
|
controller._pulling = false;
|
|
if (controller._pullAgain === true) {
|
|
controller._pullAgain = false;
|
|
return ReadableStreamDefaultControllerCallPullIfNeeded(controller);
|
|
}
|
|
return undefined;
|
|
}, function (e) {
|
|
ReadableStreamDefaultControllerErrorIfNeeded(controller, e);
|
|
}).catch(rethrowAssertionErrorRejection);
|
|
return undefined;
|
|
}
|
|
function ReadableStreamDefaultControllerShouldCallPull(controller) {
|
|
var stream = controller._controlledReadableStream;
|
|
if (stream._state === 'closed' || stream._state === 'errored') {
|
|
return false;
|
|
}
|
|
if (controller._closeRequested === true) {
|
|
return false;
|
|
}
|
|
if (controller._started === false) {
|
|
return false;
|
|
}
|
|
if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
|
|
return true;
|
|
}
|
|
var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);
|
|
if (desiredSize > 0) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
function ReadableStreamDefaultControllerClose(controller) {
|
|
var stream = controller._controlledReadableStream;
|
|
assert(controller._closeRequested === false);
|
|
assert(stream._state === 'readable');
|
|
controller._closeRequested = true;
|
|
if (controller._queue.length === 0) {
|
|
ReadableStreamClose(stream);
|
|
}
|
|
}
|
|
function ReadableStreamDefaultControllerEnqueue(controller, chunk) {
|
|
var stream = controller._controlledReadableStream;
|
|
assert(controller._closeRequested === false);
|
|
assert(stream._state === 'readable');
|
|
if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
|
|
ReadableStreamFulfillReadRequest(stream, chunk, false);
|
|
} else {
|
|
var chunkSize = 1;
|
|
if (controller._strategySize !== undefined) {
|
|
var strategySize = controller._strategySize;
|
|
try {
|
|
chunkSize = strategySize(chunk);
|
|
} catch (chunkSizeE) {
|
|
ReadableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);
|
|
throw chunkSizeE;
|
|
}
|
|
}
|
|
try {
|
|
EnqueueValueWithSize(controller, chunk, chunkSize);
|
|
} catch (enqueueE) {
|
|
ReadableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);
|
|
throw enqueueE;
|
|
}
|
|
}
|
|
ReadableStreamDefaultControllerCallPullIfNeeded(controller);
|
|
return undefined;
|
|
}
|
|
function ReadableStreamDefaultControllerError(controller, e) {
|
|
var stream = controller._controlledReadableStream;
|
|
assert(stream._state === 'readable');
|
|
ResetQueue(controller);
|
|
ReadableStreamError(stream, e);
|
|
}
|
|
function ReadableStreamDefaultControllerErrorIfNeeded(controller, e) {
|
|
if (controller._controlledReadableStream._state === 'readable') {
|
|
ReadableStreamDefaultControllerError(controller, e);
|
|
}
|
|
}
|
|
function ReadableStreamDefaultControllerGetDesiredSize(controller) {
|
|
var stream = controller._controlledReadableStream;
|
|
var state = stream._state;
|
|
if (state === 'errored') {
|
|
return null;
|
|
}
|
|
if (state === 'closed') {
|
|
return 0;
|
|
}
|
|
return controller._strategyHWM - controller._queueTotalSize;
|
|
}
|
|
var ReadableStreamBYOBRequest = function () {
|
|
function ReadableStreamBYOBRequest(controller, view) {
|
|
_classCallCheck(this, ReadableStreamBYOBRequest);
|
|
this._associatedReadableByteStreamController = controller;
|
|
this._view = view;
|
|
}
|
|
_createClass(ReadableStreamBYOBRequest, [{
|
|
key: 'respond',
|
|
value: function respond(bytesWritten) {
|
|
if (IsReadableStreamBYOBRequest(this) === false) {
|
|
throw byobRequestBrandCheckException('respond');
|
|
}
|
|
if (this._associatedReadableByteStreamController === undefined) {
|
|
throw new TypeError('This BYOB request has been invalidated');
|
|
}
|
|
ReadableByteStreamControllerRespond(this._associatedReadableByteStreamController, bytesWritten);
|
|
}
|
|
}, {
|
|
key: 'respondWithNewView',
|
|
value: function respondWithNewView(view) {
|
|
if (IsReadableStreamBYOBRequest(this) === false) {
|
|
throw byobRequestBrandCheckException('respond');
|
|
}
|
|
if (this._associatedReadableByteStreamController === undefined) {
|
|
throw new TypeError('This BYOB request has been invalidated');
|
|
}
|
|
if (!ArrayBuffer.isView(view)) {
|
|
throw new TypeError('You can only respond with array buffer views');
|
|
}
|
|
ReadableByteStreamControllerRespondWithNewView(this._associatedReadableByteStreamController, view);
|
|
}
|
|
}, {
|
|
key: 'view',
|
|
get: function get() {
|
|
return this._view;
|
|
}
|
|
}]);
|
|
return ReadableStreamBYOBRequest;
|
|
}();
|
|
var ReadableByteStreamController = function () {
|
|
function ReadableByteStreamController(stream, underlyingByteSource, highWaterMark) {
|
|
_classCallCheck(this, ReadableByteStreamController);
|
|
if (IsReadableStream(stream) === false) {
|
|
throw new TypeError('ReadableByteStreamController can only be constructed with a ReadableStream instance given ' + 'a byte source');
|
|
}
|
|
if (stream._readableStreamController !== undefined) {
|
|
throw new TypeError('ReadableByteStreamController instances can only be created by the ReadableStream constructor given a byte ' + 'source');
|
|
}
|
|
this._controlledReadableStream = stream;
|
|
this._underlyingByteSource = underlyingByteSource;
|
|
this._pullAgain = false;
|
|
this._pulling = false;
|
|
ReadableByteStreamControllerClearPendingPullIntos(this);
|
|
this._queue = this._queueTotalSize = undefined;
|
|
ResetQueue(this);
|
|
this._closeRequested = false;
|
|
this._started = false;
|
|
this._strategyHWM = ValidateAndNormalizeHighWaterMark(highWaterMark);
|
|
var autoAllocateChunkSize = underlyingByteSource.autoAllocateChunkSize;
|
|
if (autoAllocateChunkSize !== undefined) {
|
|
if (Number.isInteger(autoAllocateChunkSize) === false || autoAllocateChunkSize <= 0) {
|
|
throw new RangeError('autoAllocateChunkSize must be a positive integer');
|
|
}
|
|
}
|
|
this._autoAllocateChunkSize = autoAllocateChunkSize;
|
|
this._pendingPullIntos = [];
|
|
var controller = this;
|
|
var startResult = InvokeOrNoop(underlyingByteSource, 'start', [this]);
|
|
Promise.resolve(startResult).then(function () {
|
|
controller._started = true;
|
|
assert(controller._pulling === false);
|
|
assert(controller._pullAgain === false);
|
|
ReadableByteStreamControllerCallPullIfNeeded(controller);
|
|
}, function (r) {
|
|
if (stream._state === 'readable') {
|
|
ReadableByteStreamControllerError(controller, r);
|
|
}
|
|
}).catch(rethrowAssertionErrorRejection);
|
|
}
|
|
_createClass(ReadableByteStreamController, [{
|
|
key: 'close',
|
|
value: function close() {
|
|
if (IsReadableByteStreamController(this) === false) {
|
|
throw byteStreamControllerBrandCheckException('close');
|
|
}
|
|
if (this._closeRequested === true) {
|
|
throw new TypeError('The stream has already been closed; do not close it again!');
|
|
}
|
|
var state = this._controlledReadableStream._state;
|
|
if (state !== 'readable') {
|
|
throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');
|
|
}
|
|
ReadableByteStreamControllerClose(this);
|
|
}
|
|
}, {
|
|
key: 'enqueue',
|
|
value: function enqueue(chunk) {
|
|
if (IsReadableByteStreamController(this) === false) {
|
|
throw byteStreamControllerBrandCheckException('enqueue');
|
|
}
|
|
if (this._closeRequested === true) {
|
|
throw new TypeError('stream is closed or draining');
|
|
}
|
|
var state = this._controlledReadableStream._state;
|
|
if (state !== 'readable') {
|
|
throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');
|
|
}
|
|
if (!ArrayBuffer.isView(chunk)) {
|
|
throw new TypeError('You can only enqueue array buffer views when using a ReadableByteStreamController');
|
|
}
|
|
ReadableByteStreamControllerEnqueue(this, chunk);
|
|
}
|
|
}, {
|
|
key: 'error',
|
|
value: function error(e) {
|
|
if (IsReadableByteStreamController(this) === false) {
|
|
throw byteStreamControllerBrandCheckException('error');
|
|
}
|
|
var stream = this._controlledReadableStream;
|
|
if (stream._state !== 'readable') {
|
|
throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');
|
|
}
|
|
ReadableByteStreamControllerError(this, e);
|
|
}
|
|
}, {
|
|
key: '__cancelSteps',
|
|
value: function __cancelSteps(reason) {
|
|
if (this._pendingPullIntos.length > 0) {
|
|
var firstDescriptor = this._pendingPullIntos[0];
|
|
firstDescriptor.bytesFilled = 0;
|
|
}
|
|
ResetQueue(this);
|
|
return PromiseInvokeOrNoop(this._underlyingByteSource, 'cancel', [reason]);
|
|
}
|
|
}, {
|
|
key: '__pullSteps',
|
|
value: function __pullSteps() {
|
|
var stream = this._controlledReadableStream;
|
|
assert(ReadableStreamHasDefaultReader(stream) === true);
|
|
if (this._queueTotalSize > 0) {
|
|
assert(ReadableStreamGetNumReadRequests(stream) === 0);
|
|
var entry = this._queue.shift();
|
|
this._queueTotalSize -= entry.byteLength;
|
|
ReadableByteStreamControllerHandleQueueDrain(this);
|
|
var view = void 0;
|
|
try {
|
|
view = new Uint8Array(entry.buffer, entry.byteOffset, entry.byteLength);
|
|
} catch (viewE) {
|
|
return Promise.reject(viewE);
|
|
}
|
|
return Promise.resolve(CreateIterResultObject(view, false));
|
|
}
|
|
var autoAllocateChunkSize = this._autoAllocateChunkSize;
|
|
if (autoAllocateChunkSize !== undefined) {
|
|
var buffer = void 0;
|
|
try {
|
|
buffer = new ArrayBuffer(autoAllocateChunkSize);
|
|
} catch (bufferE) {
|
|
return Promise.reject(bufferE);
|
|
}
|
|
var pullIntoDescriptor = {
|
|
buffer: buffer,
|
|
byteOffset: 0,
|
|
byteLength: autoAllocateChunkSize,
|
|
bytesFilled: 0,
|
|
elementSize: 1,
|
|
ctor: Uint8Array,
|
|
readerType: 'default'
|
|
};
|
|
this._pendingPullIntos.push(pullIntoDescriptor);
|
|
}
|
|
var promise = ReadableStreamAddReadRequest(stream);
|
|
ReadableByteStreamControllerCallPullIfNeeded(this);
|
|
return promise;
|
|
}
|
|
}, {
|
|
key: 'byobRequest',
|
|
get: function get() {
|
|
if (IsReadableByteStreamController(this) === false) {
|
|
throw byteStreamControllerBrandCheckException('byobRequest');
|
|
}
|
|
if (this._byobRequest === undefined && this._pendingPullIntos.length > 0) {
|
|
var firstDescriptor = this._pendingPullIntos[0];
|
|
var view = new Uint8Array(firstDescriptor.buffer, firstDescriptor.byteOffset + firstDescriptor.bytesFilled, firstDescriptor.byteLength - firstDescriptor.bytesFilled);
|
|
this._byobRequest = new ReadableStreamBYOBRequest(this, view);
|
|
}
|
|
return this._byobRequest;
|
|
}
|
|
}, {
|
|
key: 'desiredSize',
|
|
get: function get() {
|
|
if (IsReadableByteStreamController(this) === false) {
|
|
throw byteStreamControllerBrandCheckException('desiredSize');
|
|
}
|
|
return ReadableByteStreamControllerGetDesiredSize(this);
|
|
}
|
|
}]);
|
|
return ReadableByteStreamController;
|
|
}();
|
|
function IsReadableByteStreamController(x) {
|
|
if (!typeIsObject(x)) {
|
|
return false;
|
|
}
|
|
if (!Object.prototype.hasOwnProperty.call(x, '_underlyingByteSource')) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function IsReadableStreamBYOBRequest(x) {
|
|
if (!typeIsObject(x)) {
|
|
return false;
|
|
}
|
|
if (!Object.prototype.hasOwnProperty.call(x, '_associatedReadableByteStreamController')) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function ReadableByteStreamControllerCallPullIfNeeded(controller) {
|
|
var shouldPull = ReadableByteStreamControllerShouldCallPull(controller);
|
|
if (shouldPull === false) {
|
|
return undefined;
|
|
}
|
|
if (controller._pulling === true) {
|
|
controller._pullAgain = true;
|
|
return undefined;
|
|
}
|
|
assert(controller._pullAgain === false);
|
|
controller._pulling = true;
|
|
var pullPromise = PromiseInvokeOrNoop(controller._underlyingByteSource, 'pull', [controller]);
|
|
pullPromise.then(function () {
|
|
controller._pulling = false;
|
|
if (controller._pullAgain === true) {
|
|
controller._pullAgain = false;
|
|
ReadableByteStreamControllerCallPullIfNeeded(controller);
|
|
}
|
|
}, function (e) {
|
|
if (controller._controlledReadableStream._state === 'readable') {
|
|
ReadableByteStreamControllerError(controller, e);
|
|
}
|
|
}).catch(rethrowAssertionErrorRejection);
|
|
return undefined;
|
|
}
|
|
function ReadableByteStreamControllerClearPendingPullIntos(controller) {
|
|
ReadableByteStreamControllerInvalidateBYOBRequest(controller);
|
|
controller._pendingPullIntos = [];
|
|
}
|
|
function ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor) {
|
|
assert(stream._state !== 'errored', 'state must not be errored');
|
|
var done = false;
|
|
if (stream._state === 'closed') {
|
|
assert(pullIntoDescriptor.bytesFilled === 0);
|
|
done = true;
|
|
}
|
|
var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);
|
|
if (pullIntoDescriptor.readerType === 'default') {
|
|
ReadableStreamFulfillReadRequest(stream, filledView, done);
|
|
} else {
|
|
assert(pullIntoDescriptor.readerType === 'byob');
|
|
ReadableStreamFulfillReadIntoRequest(stream, filledView, done);
|
|
}
|
|
}
|
|
function ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor) {
|
|
var bytesFilled = pullIntoDescriptor.bytesFilled;
|
|
var elementSize = pullIntoDescriptor.elementSize;
|
|
assert(bytesFilled <= pullIntoDescriptor.byteLength);
|
|
assert(bytesFilled % elementSize === 0);
|
|
return new pullIntoDescriptor.ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, bytesFilled / elementSize);
|
|
}
|
|
function ReadableByteStreamControllerEnqueueChunkToQueue(controller, buffer, byteOffset, byteLength) {
|
|
controller._queue.push({
|
|
buffer: buffer,
|
|
byteOffset: byteOffset,
|
|
byteLength: byteLength
|
|
});
|
|
controller._queueTotalSize += byteLength;
|
|
}
|
|
function ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) {
|
|
var elementSize = pullIntoDescriptor.elementSize;
|
|
var currentAlignedBytes = pullIntoDescriptor.bytesFilled - pullIntoDescriptor.bytesFilled % elementSize;
|
|
var maxBytesToCopy = Math.min(controller._queueTotalSize, pullIntoDescriptor.byteLength - pullIntoDescriptor.bytesFilled);
|
|
var maxBytesFilled = pullIntoDescriptor.bytesFilled + maxBytesToCopy;
|
|
var maxAlignedBytes = maxBytesFilled - maxBytesFilled % elementSize;
|
|
var totalBytesToCopyRemaining = maxBytesToCopy;
|
|
var ready = false;
|
|
if (maxAlignedBytes > currentAlignedBytes) {
|
|
totalBytesToCopyRemaining = maxAlignedBytes - pullIntoDescriptor.bytesFilled;
|
|
ready = true;
|
|
}
|
|
var queue = controller._queue;
|
|
while (totalBytesToCopyRemaining > 0) {
|
|
var headOfQueue = queue[0];
|
|
var bytesToCopy = Math.min(totalBytesToCopyRemaining, headOfQueue.byteLength);
|
|
var destStart = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;
|
|
ArrayBufferCopy(pullIntoDescriptor.buffer, destStart, headOfQueue.buffer, headOfQueue.byteOffset, bytesToCopy);
|
|
if (headOfQueue.byteLength === bytesToCopy) {
|
|
queue.shift();
|
|
} else {
|
|
headOfQueue.byteOffset += bytesToCopy;
|
|
headOfQueue.byteLength -= bytesToCopy;
|
|
}
|
|
controller._queueTotalSize -= bytesToCopy;
|
|
ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesToCopy, pullIntoDescriptor);
|
|
totalBytesToCopyRemaining -= bytesToCopy;
|
|
}
|
|
if (ready === false) {
|
|
assert(controller._queueTotalSize === 0, 'queue must be empty');
|
|
assert(pullIntoDescriptor.bytesFilled > 0);
|
|
assert(pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize);
|
|
}
|
|
return ready;
|
|
}
|
|
function ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, size, pullIntoDescriptor) {
|
|
assert(controller._pendingPullIntos.length === 0 || controller._pendingPullIntos[0] === pullIntoDescriptor);
|
|
ReadableByteStreamControllerInvalidateBYOBRequest(controller);
|
|
pullIntoDescriptor.bytesFilled += size;
|
|
}
|
|
function ReadableByteStreamControllerHandleQueueDrain(controller) {
|
|
assert(controller._controlledReadableStream._state === 'readable');
|
|
if (controller._queueTotalSize === 0 && controller._closeRequested === true) {
|
|
ReadableStreamClose(controller._controlledReadableStream);
|
|
} else {
|
|
ReadableByteStreamControllerCallPullIfNeeded(controller);
|
|
}
|
|
}
|
|
function ReadableByteStreamControllerInvalidateBYOBRequest(controller) {
|
|
if (controller._byobRequest === undefined) {
|
|
return;
|
|
}
|
|
controller._byobRequest._associatedReadableByteStreamController = undefined;
|
|
controller._byobRequest._view = undefined;
|
|
controller._byobRequest = undefined;
|
|
}
|
|
function ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller) {
|
|
assert(controller._closeRequested === false);
|
|
while (controller._pendingPullIntos.length > 0) {
|
|
if (controller._queueTotalSize === 0) {
|
|
return;
|
|
}
|
|
var pullIntoDescriptor = controller._pendingPullIntos[0];
|
|
if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {
|
|
ReadableByteStreamControllerShiftPendingPullInto(controller);
|
|
ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);
|
|
}
|
|
}
|
|
}
|
|
function ReadableByteStreamControllerPullInto(controller, view) {
|
|
var stream = controller._controlledReadableStream;
|
|
var elementSize = 1;
|
|
if (view.constructor !== DataView) {
|
|
elementSize = view.constructor.BYTES_PER_ELEMENT;
|
|
}
|
|
var ctor = view.constructor;
|
|
var pullIntoDescriptor = {
|
|
buffer: view.buffer,
|
|
byteOffset: view.byteOffset,
|
|
byteLength: view.byteLength,
|
|
bytesFilled: 0,
|
|
elementSize: elementSize,
|
|
ctor: ctor,
|
|
readerType: 'byob'
|
|
};
|
|
if (controller._pendingPullIntos.length > 0) {
|
|
pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
|
|
controller._pendingPullIntos.push(pullIntoDescriptor);
|
|
return ReadableStreamAddReadIntoRequest(stream);
|
|
}
|
|
if (stream._state === 'closed') {
|
|
var emptyView = new view.constructor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, 0);
|
|
return Promise.resolve(CreateIterResultObject(emptyView, true));
|
|
}
|
|
if (controller._queueTotalSize > 0) {
|
|
if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {
|
|
var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);
|
|
ReadableByteStreamControllerHandleQueueDrain(controller);
|
|
return Promise.resolve(CreateIterResultObject(filledView, false));
|
|
}
|
|
if (controller._closeRequested === true) {
|
|
var e = new TypeError('Insufficient bytes to fill elements in the given buffer');
|
|
ReadableByteStreamControllerError(controller, e);
|
|
return Promise.reject(e);
|
|
}
|
|
}
|
|
pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
|
|
controller._pendingPullIntos.push(pullIntoDescriptor);
|
|
var promise = ReadableStreamAddReadIntoRequest(stream);
|
|
ReadableByteStreamControllerCallPullIfNeeded(controller);
|
|
return promise;
|
|
}
|
|
function ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor) {
|
|
firstDescriptor.buffer = TransferArrayBuffer(firstDescriptor.buffer);
|
|
assert(firstDescriptor.bytesFilled === 0, 'bytesFilled must be 0');
|
|
var stream = controller._controlledReadableStream;
|
|
if (ReadableStreamHasBYOBReader(stream) === true) {
|
|
while (ReadableStreamGetNumReadIntoRequests(stream) > 0) {
|
|
var pullIntoDescriptor = ReadableByteStreamControllerShiftPendingPullInto(controller);
|
|
ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor);
|
|
}
|
|
}
|
|
}
|
|
function ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, pullIntoDescriptor) {
|
|
if (pullIntoDescriptor.bytesFilled + bytesWritten > pullIntoDescriptor.byteLength) {
|
|
throw new RangeError('bytesWritten out of range');
|
|
}
|
|
ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesWritten, pullIntoDescriptor);
|
|
if (pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize) {
|
|
return;
|
|
}
|
|
ReadableByteStreamControllerShiftPendingPullInto(controller);
|
|
var remainderSize = pullIntoDescriptor.bytesFilled % pullIntoDescriptor.elementSize;
|
|
if (remainderSize > 0) {
|
|
var end = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;
|
|
var remainder = pullIntoDescriptor.buffer.slice(end - remainderSize, end);
|
|
ReadableByteStreamControllerEnqueueChunkToQueue(controller, remainder, 0, remainder.byteLength);
|
|
}
|
|
pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
|
|
pullIntoDescriptor.bytesFilled -= remainderSize;
|
|
ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);
|
|
ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);
|
|
}
|
|
function ReadableByteStreamControllerRespondInternal(controller, bytesWritten) {
|
|
var firstDescriptor = controller._pendingPullIntos[0];
|
|
var stream = controller._controlledReadableStream;
|
|
if (stream._state === 'closed') {
|
|
if (bytesWritten !== 0) {
|
|
throw new TypeError('bytesWritten must be 0 when calling respond() on a closed stream');
|
|
}
|
|
ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor);
|
|
} else {
|
|
assert(stream._state === 'readable');
|
|
ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, firstDescriptor);
|
|
}
|
|
}
|
|
function ReadableByteStreamControllerShiftPendingPullInto(controller) {
|
|
var descriptor = controller._pendingPullIntos.shift();
|
|
ReadableByteStreamControllerInvalidateBYOBRequest(controller);
|
|
return descriptor;
|
|
}
|
|
function ReadableByteStreamControllerShouldCallPull(controller) {
|
|
var stream = controller._controlledReadableStream;
|
|
if (stream._state !== 'readable') {
|
|
return false;
|
|
}
|
|
if (controller._closeRequested === true) {
|
|
return false;
|
|
}
|
|
if (controller._started === false) {
|
|
return false;
|
|
}
|
|
if (ReadableStreamHasDefaultReader(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
|
|
return true;
|
|
}
|
|
if (ReadableStreamHasBYOBReader(stream) === true && ReadableStreamGetNumReadIntoRequests(stream) > 0) {
|
|
return true;
|
|
}
|
|
if (ReadableByteStreamControllerGetDesiredSize(controller) > 0) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
function ReadableByteStreamControllerClose(controller) {
|
|
var stream = controller._controlledReadableStream;
|
|
assert(controller._closeRequested === false);
|
|
assert(stream._state === 'readable');
|
|
if (controller._queueTotalSize > 0) {
|
|
controller._closeRequested = true;
|
|
return;
|
|
}
|
|
if (controller._pendingPullIntos.length > 0) {
|
|
var firstPendingPullInto = controller._pendingPullIntos[0];
|
|
if (firstPendingPullInto.bytesFilled > 0) {
|
|
var e = new TypeError('Insufficient bytes to fill elements in the given buffer');
|
|
ReadableByteStreamControllerError(controller, e);
|
|
throw e;
|
|
}
|
|
}
|
|
ReadableStreamClose(stream);
|
|
}
|
|
function ReadableByteStreamControllerEnqueue(controller, chunk) {
|
|
var stream = controller._controlledReadableStream;
|
|
assert(controller._closeRequested === false);
|
|
assert(stream._state === 'readable');
|
|
var buffer = chunk.buffer;
|
|
var byteOffset = chunk.byteOffset;
|
|
var byteLength = chunk.byteLength;
|
|
var transferredBuffer = TransferArrayBuffer(buffer);
|
|
if (ReadableStreamHasDefaultReader(stream) === true) {
|
|
if (ReadableStreamGetNumReadRequests(stream) === 0) {
|
|
ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
|
|
} else {
|
|
assert(controller._queue.length === 0);
|
|
var transferredView = new Uint8Array(transferredBuffer, byteOffset, byteLength);
|
|
ReadableStreamFulfillReadRequest(stream, transferredView, false);
|
|
}
|
|
} else if (ReadableStreamHasBYOBReader(stream) === true) {
|
|
ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
|
|
ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);
|
|
} else {
|
|
assert(IsReadableStreamLocked(stream) === false, 'stream must not be locked');
|
|
ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
|
|
}
|
|
}
|
|
function ReadableByteStreamControllerError(controller, e) {
|
|
var stream = controller._controlledReadableStream;
|
|
assert(stream._state === 'readable');
|
|
ReadableByteStreamControllerClearPendingPullIntos(controller);
|
|
ResetQueue(controller);
|
|
ReadableStreamError(stream, e);
|
|
}
|
|
function ReadableByteStreamControllerGetDesiredSize(controller) {
|
|
var stream = controller._controlledReadableStream;
|
|
var state = stream._state;
|
|
if (state === 'errored') {
|
|
return null;
|
|
}
|
|
if (state === 'closed') {
|
|
return 0;
|
|
}
|
|
return controller._strategyHWM - controller._queueTotalSize;
|
|
}
|
|
function ReadableByteStreamControllerRespond(controller, bytesWritten) {
|
|
bytesWritten = Number(bytesWritten);
|
|
if (IsFiniteNonNegativeNumber(bytesWritten) === false) {
|
|
throw new RangeError('bytesWritten must be a finite');
|
|
}
|
|
assert(controller._pendingPullIntos.length > 0);
|
|
ReadableByteStreamControllerRespondInternal(controller, bytesWritten);
|
|
}
|
|
function ReadableByteStreamControllerRespondWithNewView(controller, view) {
|
|
assert(controller._pendingPullIntos.length > 0);
|
|
var firstDescriptor = controller._pendingPullIntos[0];
|
|
if (firstDescriptor.byteOffset + firstDescriptor.bytesFilled !== view.byteOffset) {
|
|
throw new RangeError('The region specified by view does not match byobRequest');
|
|
}
|
|
if (firstDescriptor.byteLength !== view.byteLength) {
|
|
throw new RangeError('The buffer of view has different capacity than byobRequest');
|
|
}
|
|
firstDescriptor.buffer = view.buffer;
|
|
ReadableByteStreamControllerRespondInternal(controller, view.byteLength);
|
|
}
|
|
function streamBrandCheckException(name) {
|
|
return new TypeError('ReadableStream.prototype.' + name + ' can only be used on a ReadableStream');
|
|
}
|
|
function readerLockException(name) {
|
|
return new TypeError('Cannot ' + name + ' a stream using a released reader');
|
|
}
|
|
function defaultReaderBrandCheckException(name) {
|
|
return new TypeError('ReadableStreamDefaultReader.prototype.' + name + ' can only be used on a ReadableStreamDefaultReader');
|
|
}
|
|
function defaultReaderClosedPromiseInitialize(reader) {
|
|
reader._closedPromise = new Promise(function (resolve, reject) {
|
|
reader._closedPromise_resolve = resolve;
|
|
reader._closedPromise_reject = reject;
|
|
});
|
|
}
|
|
function defaultReaderClosedPromiseInitializeAsRejected(reader, reason) {
|
|
reader._closedPromise = Promise.reject(reason);
|
|
reader._closedPromise_resolve = undefined;
|
|
reader._closedPromise_reject = undefined;
|
|
}
|
|
function defaultReaderClosedPromiseInitializeAsResolved(reader) {
|
|
reader._closedPromise = Promise.resolve(undefined);
|
|
reader._closedPromise_resolve = undefined;
|
|
reader._closedPromise_reject = undefined;
|
|
}
|
|
function defaultReaderClosedPromiseReject(reader, reason) {
|
|
assert(reader._closedPromise_resolve !== undefined);
|
|
assert(reader._closedPromise_reject !== undefined);
|
|
reader._closedPromise_reject(reason);
|
|
reader._closedPromise_resolve = undefined;
|
|
reader._closedPromise_reject = undefined;
|
|
}
|
|
function defaultReaderClosedPromiseResetToRejected(reader, reason) {
|
|
assert(reader._closedPromise_resolve === undefined);
|
|
assert(reader._closedPromise_reject === undefined);
|
|
reader._closedPromise = Promise.reject(reason);
|
|
}
|
|
function defaultReaderClosedPromiseResolve(reader) {
|
|
assert(reader._closedPromise_resolve !== undefined);
|
|
assert(reader._closedPromise_reject !== undefined);
|
|
reader._closedPromise_resolve(undefined);
|
|
reader._closedPromise_resolve = undefined;
|
|
reader._closedPromise_reject = undefined;
|
|
}
|
|
function byobReaderBrandCheckException(name) {
|
|
return new TypeError('ReadableStreamBYOBReader.prototype.' + name + ' can only be used on a ReadableStreamBYOBReader');
|
|
}
|
|
function defaultControllerBrandCheckException(name) {
|
|
return new TypeError('ReadableStreamDefaultController.prototype.' + name + ' can only be used on a ReadableStreamDefaultController');
|
|
}
|
|
function byobRequestBrandCheckException(name) {
|
|
return new TypeError('ReadableStreamBYOBRequest.prototype.' + name + ' can only be used on a ReadableStreamBYOBRequest');
|
|
}
|
|
function byteStreamControllerBrandCheckException(name) {
|
|
return new TypeError('ReadableByteStreamController.prototype.' + name + ' can only be used on a ReadableByteStreamController');
|
|
}
|
|
function ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise) {
|
|
try {
|
|
Promise.prototype.then.call(promise, undefined, function () {});
|
|
} catch (e) {}
|
|
}
|
|
}, function (module, exports, __w_pdfjs_require__) {
|
|
"use strict";
|
|
|
|
var transformStream = __w_pdfjs_require__(6);
|
|
var readableStream = __w_pdfjs_require__(4);
|
|
var writableStream = __w_pdfjs_require__(2);
|
|
exports.TransformStream = transformStream.TransformStream;
|
|
exports.ReadableStream = readableStream.ReadableStream;
|
|
exports.IsReadableStreamDisturbed = readableStream.IsReadableStreamDisturbed;
|
|
exports.ReadableStreamDefaultControllerClose = readableStream.ReadableStreamDefaultControllerClose;
|
|
exports.ReadableStreamDefaultControllerEnqueue = readableStream.ReadableStreamDefaultControllerEnqueue;
|
|
exports.ReadableStreamDefaultControllerError = readableStream.ReadableStreamDefaultControllerError;
|
|
exports.ReadableStreamDefaultControllerGetDesiredSize = readableStream.ReadableStreamDefaultControllerGetDesiredSize;
|
|
exports.AcquireWritableStreamDefaultWriter = writableStream.AcquireWritableStreamDefaultWriter;
|
|
exports.IsWritableStream = writableStream.IsWritableStream;
|
|
exports.IsWritableStreamLocked = writableStream.IsWritableStreamLocked;
|
|
exports.WritableStream = writableStream.WritableStream;
|
|
exports.WritableStreamAbort = writableStream.WritableStreamAbort;
|
|
exports.WritableStreamDefaultControllerError = writableStream.WritableStreamDefaultControllerError;
|
|
exports.WritableStreamDefaultWriterCloseWithErrorPropagation = writableStream.WritableStreamDefaultWriterCloseWithErrorPropagation;
|
|
exports.WritableStreamDefaultWriterRelease = writableStream.WritableStreamDefaultWriterRelease;
|
|
exports.WritableStreamDefaultWriterWrite = writableStream.WritableStreamDefaultWriterWrite;
|
|
}, function (module, exports, __w_pdfjs_require__) {
|
|
"use strict";
|
|
|
|
var _createClass = function () {
|
|
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);
|
|
}
|
|
}
|
|
return function (Constructor, protoProps, staticProps) {
|
|
if (protoProps) defineProperties(Constructor.prototype, protoProps);
|
|
if (staticProps) defineProperties(Constructor, staticProps);
|
|
return Constructor;
|
|
};
|
|
}();
|
|
function _classCallCheck(instance, Constructor) {
|
|
if (!(instance instanceof Constructor)) {
|
|
throw new TypeError("Cannot call a class as a function");
|
|
}
|
|
}
|
|
var _require = __w_pdfjs_require__(1),
|
|
assert = _require.assert;
|
|
var _require2 = __w_pdfjs_require__(0),
|
|
InvokeOrNoop = _require2.InvokeOrNoop,
|
|
PromiseInvokeOrPerformFallback = _require2.PromiseInvokeOrPerformFallback,
|
|
PromiseInvokeOrNoop = _require2.PromiseInvokeOrNoop,
|
|
typeIsObject = _require2.typeIsObject;
|
|
var _require3 = __w_pdfjs_require__(4),
|
|
ReadableStream = _require3.ReadableStream,
|
|
ReadableStreamDefaultControllerClose = _require3.ReadableStreamDefaultControllerClose,
|
|
ReadableStreamDefaultControllerEnqueue = _require3.ReadableStreamDefaultControllerEnqueue,
|
|
ReadableStreamDefaultControllerError = _require3.ReadableStreamDefaultControllerError,
|
|
ReadableStreamDefaultControllerGetDesiredSize = _require3.ReadableStreamDefaultControllerGetDesiredSize;
|
|
var _require4 = __w_pdfjs_require__(2),
|
|
WritableStream = _require4.WritableStream,
|
|
WritableStreamDefaultControllerError = _require4.WritableStreamDefaultControllerError;
|
|
function TransformStreamCloseReadable(transformStream) {
|
|
if (transformStream._errored === true) {
|
|
throw new TypeError('TransformStream is already errored');
|
|
}
|
|
if (transformStream._readableClosed === true) {
|
|
throw new TypeError('Readable side is already closed');
|
|
}
|
|
TransformStreamCloseReadableInternal(transformStream);
|
|
}
|
|
function TransformStreamEnqueueToReadable(transformStream, chunk) {
|
|
if (transformStream._errored === true) {
|
|
throw new TypeError('TransformStream is already errored');
|
|
}
|
|
if (transformStream._readableClosed === true) {
|
|
throw new TypeError('Readable side is already closed');
|
|
}
|
|
var controller = transformStream._readableController;
|
|
try {
|
|
ReadableStreamDefaultControllerEnqueue(controller, chunk);
|
|
} catch (e) {
|
|
transformStream._readableClosed = true;
|
|
TransformStreamErrorIfNeeded(transformStream, e);
|
|
throw transformStream._storedError;
|
|
}
|
|
var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);
|
|
var maybeBackpressure = desiredSize <= 0;
|
|
if (maybeBackpressure === true && transformStream._backpressure === false) {
|
|
TransformStreamSetBackpressure(transformStream, true);
|
|
}
|
|
}
|
|
function TransformStreamError(transformStream, e) {
|
|
if (transformStream._errored === true) {
|
|
throw new TypeError('TransformStream is already errored');
|
|
}
|
|
TransformStreamErrorInternal(transformStream, e);
|
|
}
|
|
function TransformStreamCloseReadableInternal(transformStream) {
|
|
assert(transformStream._errored === false);
|
|
assert(transformStream._readableClosed === false);
|
|
try {
|
|
ReadableStreamDefaultControllerClose(transformStream._readableController);
|
|
} catch (e) {
|
|
assert(false);
|
|
}
|
|
transformStream._readableClosed = true;
|
|
}
|
|
function TransformStreamErrorIfNeeded(transformStream, e) {
|
|
if (transformStream._errored === false) {
|
|
TransformStreamErrorInternal(transformStream, e);
|
|
}
|
|
}
|
|
function TransformStreamErrorInternal(transformStream, e) {
|
|
assert(transformStream._errored === false);
|
|
transformStream._errored = true;
|
|
transformStream._storedError = e;
|
|
if (transformStream._writableDone === false) {
|
|
WritableStreamDefaultControllerError(transformStream._writableController, e);
|
|
}
|
|
if (transformStream._readableClosed === false) {
|
|
ReadableStreamDefaultControllerError(transformStream._readableController, e);
|
|
}
|
|
}
|
|
function TransformStreamReadableReadyPromise(transformStream) {
|
|
assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');
|
|
if (transformStream._backpressure === false) {
|
|
return Promise.resolve();
|
|
}
|
|
assert(transformStream._backpressure === true, '_backpressure should have been initialized');
|
|
return transformStream._backpressureChangePromise;
|
|
}
|
|
function TransformStreamSetBackpressure(transformStream, backpressure) {
|
|
assert(transformStream._backpressure !== backpressure, 'TransformStreamSetBackpressure() should be called only when backpressure is changed');
|
|
if (transformStream._backpressureChangePromise !== undefined) {
|
|
transformStream._backpressureChangePromise_resolve(backpressure);
|
|
}
|
|
transformStream._backpressureChangePromise = new Promise(function (resolve) {
|
|
transformStream._backpressureChangePromise_resolve = resolve;
|
|
});
|
|
transformStream._backpressureChangePromise.then(function (resolution) {
|
|
assert(resolution !== backpressure, '_backpressureChangePromise should be fulfilled only when backpressure is changed');
|
|
});
|
|
transformStream._backpressure = backpressure;
|
|
}
|
|
function TransformStreamDefaultTransform(chunk, transformStreamController) {
|
|
var transformStream = transformStreamController._controlledTransformStream;
|
|
TransformStreamEnqueueToReadable(transformStream, chunk);
|
|
return Promise.resolve();
|
|
}
|
|
function TransformStreamTransform(transformStream, chunk) {
|
|
assert(transformStream._errored === false);
|
|
assert(transformStream._transforming === false);
|
|
assert(transformStream._backpressure === false);
|
|
transformStream._transforming = true;
|
|
var transformer = transformStream._transformer;
|
|
var controller = transformStream._transformStreamController;
|
|
var transformPromise = PromiseInvokeOrPerformFallback(transformer, 'transform', [chunk, controller], TransformStreamDefaultTransform, [chunk, controller]);
|
|
return transformPromise.then(function () {
|
|
transformStream._transforming = false;
|
|
return TransformStreamReadableReadyPromise(transformStream);
|
|
}, function (e) {
|
|
TransformStreamErrorIfNeeded(transformStream, e);
|
|
return Promise.reject(e);
|
|
});
|
|
}
|
|
function IsTransformStreamDefaultController(x) {
|
|
if (!typeIsObject(x)) {
|
|
return false;
|
|
}
|
|
if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function IsTransformStream(x) {
|
|
if (!typeIsObject(x)) {
|
|
return false;
|
|
}
|
|
if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
var TransformStreamSink = function () {
|
|
function TransformStreamSink(transformStream, startPromise) {
|
|
_classCallCheck(this, TransformStreamSink);
|
|
this._transformStream = transformStream;
|
|
this._startPromise = startPromise;
|
|
}
|
|
_createClass(TransformStreamSink, [{
|
|
key: 'start',
|
|
value: function start(c) {
|
|
var transformStream = this._transformStream;
|
|
transformStream._writableController = c;
|
|
return this._startPromise.then(function () {
|
|
return TransformStreamReadableReadyPromise(transformStream);
|
|
});
|
|
}
|
|
}, {
|
|
key: 'write',
|
|
value: function write(chunk) {
|
|
var transformStream = this._transformStream;
|
|
return TransformStreamTransform(transformStream, chunk);
|
|
}
|
|
}, {
|
|
key: 'abort',
|
|
value: function abort() {
|
|
var transformStream = this._transformStream;
|
|
transformStream._writableDone = true;
|
|
TransformStreamErrorInternal(transformStream, new TypeError('Writable side aborted'));
|
|
}
|
|
}, {
|
|
key: 'close',
|
|
value: function close() {
|
|
var transformStream = this._transformStream;
|
|
assert(transformStream._transforming === false);
|
|
transformStream._writableDone = true;
|
|
var flushPromise = PromiseInvokeOrNoop(transformStream._transformer, 'flush', [transformStream._transformStreamController]);
|
|
return flushPromise.then(function () {
|
|
if (transformStream._errored === true) {
|
|
return Promise.reject(transformStream._storedError);
|
|
}
|
|
if (transformStream._readableClosed === false) {
|
|
TransformStreamCloseReadableInternal(transformStream);
|
|
}
|
|
return Promise.resolve();
|
|
}).catch(function (r) {
|
|
TransformStreamErrorIfNeeded(transformStream, r);
|
|
return Promise.reject(transformStream._storedError);
|
|
});
|
|
}
|
|
}]);
|
|
return TransformStreamSink;
|
|
}();
|
|
var TransformStreamSource = function () {
|
|
function TransformStreamSource(transformStream, startPromise) {
|
|
_classCallCheck(this, TransformStreamSource);
|
|
this._transformStream = transformStream;
|
|
this._startPromise = startPromise;
|
|
}
|
|
_createClass(TransformStreamSource, [{
|
|
key: 'start',
|
|
value: function start(c) {
|
|
var transformStream = this._transformStream;
|
|
transformStream._readableController = c;
|
|
return this._startPromise.then(function () {
|
|
assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');
|
|
if (transformStream._backpressure === true) {
|
|
return Promise.resolve();
|
|
}
|
|
assert(transformStream._backpressure === false, '_backpressure should have been initialized');
|
|
return transformStream._backpressureChangePromise;
|
|
});
|
|
}
|
|
}, {
|
|
key: 'pull',
|
|
value: function pull() {
|
|
var transformStream = this._transformStream;
|
|
assert(transformStream._backpressure === true, 'pull() should be never called while _backpressure is false');
|
|
assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');
|
|
TransformStreamSetBackpressure(transformStream, false);
|
|
return transformStream._backpressureChangePromise;
|
|
}
|
|
}, {
|
|
key: 'cancel',
|
|
value: function cancel() {
|
|
var transformStream = this._transformStream;
|
|
transformStream._readableClosed = true;
|
|
TransformStreamErrorInternal(transformStream, new TypeError('Readable side canceled'));
|
|
}
|
|
}]);
|
|
return TransformStreamSource;
|
|
}();
|
|
var TransformStreamDefaultController = function () {
|
|
function TransformStreamDefaultController(transformStream) {
|
|
_classCallCheck(this, TransformStreamDefaultController);
|
|
if (IsTransformStream(transformStream) === false) {
|
|
throw new TypeError('TransformStreamDefaultController can only be ' + 'constructed with a TransformStream instance');
|
|
}
|
|
if (transformStream._transformStreamController !== undefined) {
|
|
throw new TypeError('TransformStreamDefaultController instances can ' + 'only be created by the TransformStream constructor');
|
|
}
|
|
this._controlledTransformStream = transformStream;
|
|
}
|
|
_createClass(TransformStreamDefaultController, [{
|
|
key: 'enqueue',
|
|
value: function enqueue(chunk) {
|
|
if (IsTransformStreamDefaultController(this) === false) {
|
|
throw defaultControllerBrandCheckException('enqueue');
|
|
}
|
|
TransformStreamEnqueueToReadable(this._controlledTransformStream, chunk);
|
|
}
|
|
}, {
|
|
key: 'close',
|
|
value: function close() {
|
|
if (IsTransformStreamDefaultController(this) === false) {
|
|
throw defaultControllerBrandCheckException('close');
|
|
}
|
|
TransformStreamCloseReadable(this._controlledTransformStream);
|
|
}
|
|
}, {
|
|
key: 'error',
|
|
value: function error(reason) {
|
|
if (IsTransformStreamDefaultController(this) === false) {
|
|
throw defaultControllerBrandCheckException('error');
|
|
}
|
|
TransformStreamError(this._controlledTransformStream, reason);
|
|
}
|
|
}, {
|
|
key: 'desiredSize',
|
|
get: function get() {
|
|
if (IsTransformStreamDefaultController(this) === false) {
|
|
throw defaultControllerBrandCheckException('desiredSize');
|
|
}
|
|
var transformStream = this._controlledTransformStream;
|
|
var readableController = transformStream._readableController;
|
|
return ReadableStreamDefaultControllerGetDesiredSize(readableController);
|
|
}
|
|
}]);
|
|
return TransformStreamDefaultController;
|
|
}();
|
|
var TransformStream = function () {
|
|
function TransformStream() {
|
|
var transformer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
|
|
_classCallCheck(this, TransformStream);
|
|
this._transformer = transformer;
|
|
var readableStrategy = transformer.readableStrategy,
|
|
writableStrategy = transformer.writableStrategy;
|
|
this._transforming = false;
|
|
this._errored = false;
|
|
this._storedError = undefined;
|
|
this._writableController = undefined;
|
|
this._readableController = undefined;
|
|
this._transformStreamController = undefined;
|
|
this._writableDone = false;
|
|
this._readableClosed = false;
|
|
this._backpressure = undefined;
|
|
this._backpressureChangePromise = undefined;
|
|
this._backpressureChangePromise_resolve = undefined;
|
|
this._transformStreamController = new TransformStreamDefaultController(this);
|
|
var startPromise_resolve = void 0;
|
|
var startPromise = new Promise(function (resolve) {
|
|
startPromise_resolve = resolve;
|
|
});
|
|
var source = new TransformStreamSource(this, startPromise);
|
|
this._readable = new ReadableStream(source, readableStrategy);
|
|
var sink = new TransformStreamSink(this, startPromise);
|
|
this._writable = new WritableStream(sink, writableStrategy);
|
|
assert(this._writableController !== undefined);
|
|
assert(this._readableController !== undefined);
|
|
var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(this._readableController);
|
|
TransformStreamSetBackpressure(this, desiredSize <= 0);
|
|
var transformStream = this;
|
|
var startResult = InvokeOrNoop(transformer, 'start', [transformStream._transformStreamController]);
|
|
startPromise_resolve(startResult);
|
|
startPromise.catch(function (e) {
|
|
if (transformStream._errored === false) {
|
|
transformStream._errored = true;
|
|
transformStream._storedError = e;
|
|
}
|
|
});
|
|
}
|
|
_createClass(TransformStream, [{
|
|
key: 'readable',
|
|
get: function get() {
|
|
if (IsTransformStream(this) === false) {
|
|
throw streamBrandCheckException('readable');
|
|
}
|
|
return this._readable;
|
|
}
|
|
}, {
|
|
key: 'writable',
|
|
get: function get() {
|
|
if (IsTransformStream(this) === false) {
|
|
throw streamBrandCheckException('writable');
|
|
}
|
|
return this._writable;
|
|
}
|
|
}]);
|
|
return TransformStream;
|
|
}();
|
|
module.exports = { TransformStream: TransformStream };
|
|
function defaultControllerBrandCheckException(name) {
|
|
return new TypeError('TransformStreamDefaultController.prototype.' + name + ' can only be used on a TransformStreamDefaultController');
|
|
}
|
|
function streamBrandCheckException(name) {
|
|
return new TypeError('TransformStream.prototype.' + name + ' can only be used on a TransformStream');
|
|
}
|
|
}, function (module, exports, __w_pdfjs_require__) {
|
|
module.exports = __w_pdfjs_require__(5);
|
|
}]));
|
|
|
|
/***/ }),
|
|
/* 6 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
{
|
|
exports.URL = URL;
|
|
}
|
|
|
|
/***/ }),
|
|
/* 7 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.build = exports.version = exports.setPDFNetworkStreamFactory = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFWorker = exports.PDFDataRangeTransport = exports.LoopbackPort = exports.getDocument = undefined;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _dom_utils = __w_pdfjs_require__(8);
|
|
|
|
var _font_loader = __w_pdfjs_require__(9);
|
|
|
|
var _api_compatibility = __w_pdfjs_require__(10);
|
|
|
|
var _canvas = __w_pdfjs_require__(11);
|
|
|
|
var _global_scope = __w_pdfjs_require__(3);
|
|
|
|
var _global_scope2 = _interopRequireDefault(_global_scope);
|
|
|
|
var _worker_options = __w_pdfjs_require__(13);
|
|
|
|
var _message_handler = __w_pdfjs_require__(14);
|
|
|
|
var _metadata = __w_pdfjs_require__(15);
|
|
|
|
var _transport_stream = __w_pdfjs_require__(17);
|
|
|
|
var _webgl = __w_pdfjs_require__(18);
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
|
|
var DEFAULT_RANGE_CHUNK_SIZE = 65536;
|
|
let isWorkerDisabled = false;
|
|
let workerSrc;
|
|
const pdfjsFilePath = null;
|
|
var fakeWorkerFilesLoader = null;
|
|
var useRequireEnsure = false;
|
|
;
|
|
var createPDFNetworkStream;
|
|
function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
|
|
createPDFNetworkStream = pdfNetworkStreamFactory;
|
|
}
|
|
function getDocument(src) {
|
|
var task = new PDFDocumentLoadingTask();
|
|
var 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;
|
|
}
|
|
let params = Object.create(null);
|
|
var rangeTransport = null;
|
|
let worker = null;
|
|
for (var key in source) {
|
|
if (key === 'url' && typeof window !== 'undefined') {
|
|
params[key] = new _util.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)) {
|
|
var 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 || _dom_utils.DOMCMapReaderFactory;
|
|
params.ignoreErrors = params.stopAtErrors !== true;
|
|
params.pdfBug = params.pdfBug === true;
|
|
const NativeImageDecoderValues = Object.values(_util.NativeImageDecoding);
|
|
if (params.nativeImageDecoderSupport === undefined || !NativeImageDecoderValues.includes(params.nativeImageDecoderSupport)) {
|
|
params.nativeImageDecoderSupport = _api_compatibility.apiCompatibilityParams.nativeImageDecoderSupport || _util.NativeImageDecoding.DECODE;
|
|
}
|
|
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.disableRange !== 'boolean') {
|
|
params.disableRange = false;
|
|
}
|
|
if (typeof params.disableStream !== 'boolean') {
|
|
params.disableStream = false;
|
|
}
|
|
if (typeof params.disableAutoFetch !== 'boolean') {
|
|
params.disableAutoFetch = false;
|
|
}
|
|
if (typeof params.disableCreateObjectURL !== 'boolean') {
|
|
params.disableCreateObjectURL = _api_compatibility.apiCompatibilityParams.disableCreateObjectURL || false;
|
|
}
|
|
(0, _util.setVerbosityLevel)(params.verbosity);
|
|
if (!worker) {
|
|
const workerParams = {
|
|
postMessageTransfers: params.postMessageTransfers,
|
|
verbosity: params.verbosity
|
|
};
|
|
let workerPort = _worker_options.GlobalWorkerOptions.workerPort;
|
|
if (workerPort) {
|
|
workerParams.port = workerPort;
|
|
worker = PDFWorker.fromPort(workerParams);
|
|
} else {
|
|
worker = new PDFWorker(workerParams);
|
|
}
|
|
task._worker = worker;
|
|
}
|
|
var docId = task.docId;
|
|
worker.promise.then(function () {
|
|
if (task.destroyed) {
|
|
throw new Error('Loading aborted');
|
|
}
|
|
return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) {
|
|
if (task.destroyed) {
|
|
throw new Error('Loading aborted');
|
|
}
|
|
let networkStream;
|
|
if (rangeTransport) {
|
|
networkStream = new _transport_stream.PDFDataTransportStream({
|
|
length: params.length,
|
|
initialData: params.initialData,
|
|
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
|
|
});
|
|
}
|
|
var messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
|
|
messageHandler.postMessageTransfers = worker.postMessageTransfers;
|
|
var 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;
|
|
}
|
|
return worker.messageHandler.sendWithPromise('GetDocRequest', {
|
|
docId,
|
|
apiVersion: '2.0.775',
|
|
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,
|
|
disableCreateObjectURL: source.disableCreateObjectURL,
|
|
postMessageTransfers: worker.postMessageTransfers,
|
|
docBaseUrl: source.docBaseUrl,
|
|
nativeImageDecoderSupport: source.nativeImageDecoderSupport,
|
|
ignoreErrors: source.ignoreErrors,
|
|
isEvalSupported: source.isEvalSupported
|
|
}).then(function (workerId) {
|
|
if (worker.destroyed) {
|
|
throw new Error('Worker was destroyed');
|
|
}
|
|
return workerId;
|
|
});
|
|
}
|
|
var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
|
|
var nextDocumentId = 0;
|
|
function PDFDocumentLoadingTask() {
|
|
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;
|
|
}
|
|
PDFDocumentLoadingTask.prototype = {
|
|
get promise() {
|
|
return this._capability.promise;
|
|
},
|
|
destroy() {
|
|
this.destroyed = true;
|
|
var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
|
|
return transportDestroyed.then(() => {
|
|
this._transport = null;
|
|
if (this._worker) {
|
|
this._worker.destroy();
|
|
this._worker = null;
|
|
}
|
|
});
|
|
},
|
|
then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {
|
|
return this.promise.then.apply(this.promise, arguments);
|
|
}
|
|
};
|
|
return PDFDocumentLoadingTask;
|
|
}();
|
|
var PDFDataRangeTransport = function pdfDataRangeTransportClosure() {
|
|
function PDFDataRangeTransport(length, initialData) {
|
|
this.length = length;
|
|
this.initialData = initialData;
|
|
this._rangeListeners = [];
|
|
this._progressListeners = [];
|
|
this._progressiveReadListeners = [];
|
|
this._readyCapability = (0, _util.createPromiseCapability)();
|
|
}
|
|
PDFDataRangeTransport.prototype = {
|
|
addRangeListener: function PDFDataRangeTransport_addRangeListener(listener) {
|
|
this._rangeListeners.push(listener);
|
|
},
|
|
addProgressListener: function PDFDataRangeTransport_addProgressListener(listener) {
|
|
this._progressListeners.push(listener);
|
|
},
|
|
addProgressiveReadListener: function PDFDataRangeTransport_addProgressiveReadListener(listener) {
|
|
this._progressiveReadListeners.push(listener);
|
|
},
|
|
onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) {
|
|
var listeners = this._rangeListeners;
|
|
for (var i = 0, n = listeners.length; i < n; ++i) {
|
|
listeners[i](begin, chunk);
|
|
}
|
|
},
|
|
onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) {
|
|
this._readyCapability.promise.then(() => {
|
|
var listeners = this._progressListeners;
|
|
for (var i = 0, n = listeners.length; i < n; ++i) {
|
|
listeners[i](loaded);
|
|
}
|
|
});
|
|
},
|
|
onDataProgressiveRead: function PDFDataRangeTransport_onDataProgress(chunk) {
|
|
this._readyCapability.promise.then(() => {
|
|
var listeners = this._progressiveReadListeners;
|
|
for (var i = 0, n = listeners.length; i < n; ++i) {
|
|
listeners[i](chunk);
|
|
}
|
|
});
|
|
},
|
|
transportReady: function PDFDataRangeTransport_transportReady() {
|
|
this._readyCapability.resolve();
|
|
},
|
|
requestDataRange: function PDFDataRangeTransport_requestDataRange(begin, end) {
|
|
(0, _util.unreachable)('Abstract method PDFDataRangeTransport.requestDataRange');
|
|
},
|
|
abort: function PDFDataRangeTransport_abort() {}
|
|
};
|
|
return PDFDataRangeTransport;
|
|
}();
|
|
var PDFDocumentProxy = function PDFDocumentProxyClosure() {
|
|
function PDFDocumentProxy(pdfInfo, transport, loadingTask) {
|
|
this._pdfInfo = pdfInfo;
|
|
this.transport = transport;
|
|
this.loadingTask = loadingTask;
|
|
}
|
|
PDFDocumentProxy.prototype = {
|
|
get numPages() {
|
|
return this._pdfInfo.numPages;
|
|
},
|
|
get fingerprint() {
|
|
return this._pdfInfo.fingerprint;
|
|
},
|
|
getPage(pageNumber) {
|
|
return this.transport.getPage(pageNumber);
|
|
},
|
|
getPageIndex: function PDFDocumentProxy_getPageIndex(ref) {
|
|
return this.transport.getPageIndex(ref);
|
|
},
|
|
getDestinations: function PDFDocumentProxy_getDestinations() {
|
|
return this.transport.getDestinations();
|
|
},
|
|
getDestination: function PDFDocumentProxy_getDestination(id) {
|
|
return this.transport.getDestination(id);
|
|
},
|
|
getPageLabels: function PDFDocumentProxy_getPageLabels() {
|
|
return this.transport.getPageLabels();
|
|
},
|
|
getPageMode() {
|
|
return this.transport.getPageMode();
|
|
},
|
|
getAttachments: function PDFDocumentProxy_getAttachments() {
|
|
return this.transport.getAttachments();
|
|
},
|
|
getJavaScript() {
|
|
return this.transport.getJavaScript();
|
|
},
|
|
getOutline: function PDFDocumentProxy_getOutline() {
|
|
return this.transport.getOutline();
|
|
},
|
|
getMetadata: function PDFDocumentProxy_getMetadata() {
|
|
return this.transport.getMetadata();
|
|
},
|
|
getData: function PDFDocumentProxy_getData() {
|
|
return this.transport.getData();
|
|
},
|
|
getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() {
|
|
return this.transport.downloadInfoCapability.promise;
|
|
},
|
|
getStats: function PDFDocumentProxy_getStats() {
|
|
return this.transport.getStats();
|
|
},
|
|
cleanup: function PDFDocumentProxy_cleanup() {
|
|
this.transport.startCleanup();
|
|
},
|
|
destroy: function PDFDocumentProxy_destroy() {
|
|
return this.loadingTask.destroy();
|
|
},
|
|
get loadingParams() {
|
|
return this.transport.loadingParams;
|
|
}
|
|
};
|
|
return PDFDocumentProxy;
|
|
}();
|
|
var PDFPageProxy = function PDFPageProxyClosure() {
|
|
function PDFPageProxy(pageIndex, pageInfo, transport, pdfBug = false) {
|
|
this.pageIndex = pageIndex;
|
|
this._pageInfo = pageInfo;
|
|
this.transport = transport;
|
|
this._stats = pdfBug ? new _dom_utils.StatTimer() : _dom_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;
|
|
}
|
|
PDFPageProxy.prototype = {
|
|
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, rotate = this.rotate, dontFlip = false) {
|
|
return new _dom_utils.PageViewport({
|
|
viewBox: this.view,
|
|
scale,
|
|
rotation: rotate,
|
|
dontFlip
|
|
});
|
|
},
|
|
getAnnotations: function PDFPageProxy_getAnnotations(params) {
|
|
var intent = params && params.intent || null;
|
|
if (!this.annotationsPromise || this.annotationsIntent !== intent) {
|
|
this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, intent);
|
|
this.annotationsIntent = intent;
|
|
}
|
|
return this.annotationsPromise;
|
|
},
|
|
render: function PDFPageProxy_render(params) {
|
|
let stats = this._stats;
|
|
stats.time('Overall');
|
|
this.pendingCleanup = false;
|
|
var renderingIntent = params.intent === 'print' ? 'print' : 'display';
|
|
var canvasFactory = params.canvasFactory || new _dom_utils.DOMCanvasFactory();
|
|
let webGLContext = new _webgl.WebGLContext({ enable: params.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: params.renderInteractiveForms === true
|
|
});
|
|
}
|
|
var complete = error => {
|
|
var i = intentState.renderTasks.indexOf(internalRenderTask);
|
|
if (i >= 0) {
|
|
intentState.renderTasks.splice(i, 1);
|
|
}
|
|
if (this.cleanupAfterRender) {
|
|
this.pendingCleanup = true;
|
|
}
|
|
this._tryCleanup();
|
|
if (error) {
|
|
internalRenderTask.capability.reject(error);
|
|
} else {
|
|
internalRenderTask.capability.resolve();
|
|
}
|
|
stats.timeEnd('Rendering');
|
|
stats.timeEnd('Overall');
|
|
};
|
|
var internalRenderTask = new InternalRenderTask(complete, params, this.objs, this.commonObjs, intentState.operatorList, this.pageNumber, canvasFactory, webGLContext, this._pdfBug);
|
|
internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print';
|
|
if (!intentState.renderTasks) {
|
|
intentState.renderTasks = [];
|
|
}
|
|
intentState.renderTasks.push(internalRenderTask);
|
|
var renderTask = internalRenderTask.task;
|
|
intentState.displayReadyCapability.promise.then(transparency => {
|
|
if (this.pendingCleanup) {
|
|
complete();
|
|
return;
|
|
}
|
|
stats.time('Rendering');
|
|
internalRenderTask.initializeGraphics(transparency);
|
|
internalRenderTask.operatorListChanged();
|
|
}).catch(complete);
|
|
return renderTask;
|
|
},
|
|
getOperatorList: function PDFPageProxy_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;
|
|
},
|
|
streamTextContent(params = {}) {
|
|
const TEXT_CONTENT_CHUNK_SIZE = 100;
|
|
return this.transport.messageHandler.sendWithStream('GetTextContent', {
|
|
pageIndex: this.pageNumber - 1,
|
|
normalizeWhitespace: params.normalizeWhitespace === true,
|
|
combineTextItems: params.disableCombineTextItems !== true
|
|
}, {
|
|
highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
|
|
size(textContent) {
|
|
return textContent.items.length;
|
|
}
|
|
});
|
|
},
|
|
getTextContent: function PDFPageProxy_getTextContent(params) {
|
|
params = params || {};
|
|
let 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);
|
|
}
|
|
let reader = readableStream.getReader();
|
|
let textContent = {
|
|
items: [],
|
|
styles: Object.create(null)
|
|
};
|
|
pump();
|
|
});
|
|
},
|
|
_destroy: function PDFPageProxy_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);
|
|
},
|
|
cleanup(resetStats = false) {
|
|
this.pendingCleanup = true;
|
|
this._tryCleanup(resetStats);
|
|
},
|
|
_tryCleanup(resetStats = 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 _dom_utils.StatTimer) {
|
|
this._stats = new _dom_utils.StatTimer();
|
|
}
|
|
this.pendingCleanup = false;
|
|
},
|
|
_startRenderPage: function PDFPageProxy_startRenderPage(transparency, intent) {
|
|
var intentState = this.intentStates[intent];
|
|
if (intentState.displayReadyCapability) {
|
|
intentState.displayReadyCapability.resolve(transparency);
|
|
}
|
|
},
|
|
_renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, intent) {
|
|
var intentState = this.intentStates[intent];
|
|
var i, ii;
|
|
for (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 (i = 0; i < intentState.renderTasks.length; i++) {
|
|
intentState.renderTasks[i].operatorListChanged();
|
|
}
|
|
if (operatorListChunk.lastChunk) {
|
|
intentState.receivingOperatorList = false;
|
|
this._tryCleanup();
|
|
}
|
|
},
|
|
get stats() {
|
|
return this._stats instanceof _dom_utils.StatTimer ? this._stats : null;
|
|
}
|
|
};
|
|
return 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);
|
|
}
|
|
var result;
|
|
var buffer;
|
|
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,
|
|
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(() => {
|
|
this._listeners.forEach(function (listener) {
|
|
listener.call(this, e);
|
|
}, this);
|
|
});
|
|
}
|
|
addEventListener(name, listener) {
|
|
this._listeners.push(listener);
|
|
}
|
|
removeEventListener(name, listener) {
|
|
var i = this._listeners.indexOf(listener);
|
|
this._listeners.splice(i, 1);
|
|
}
|
|
terminate() {
|
|
this._listeners = [];
|
|
}
|
|
}
|
|
var PDFWorker = function PDFWorkerClosure() {
|
|
let nextFakeWorkerId = 0;
|
|
function getWorkerSrc() {
|
|
if (_worker_options.GlobalWorkerOptions.workerSrc) {
|
|
return _worker_options.GlobalWorkerOptions.workerSrc;
|
|
}
|
|
if (typeof workerSrc !== 'undefined') {
|
|
return workerSrc;
|
|
}
|
|
throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
|
|
}
|
|
function getMainThreadWorkerMessageHandler() {
|
|
if (typeof window === 'undefined') {
|
|
return null;
|
|
}
|
|
return window.pdfjsWorker && window.pdfjsWorker.WorkerMessageHandler;
|
|
}
|
|
let fakeWorkerFilesLoadedCapability;
|
|
function setupFakeWorkerGlobal() {
|
|
if (fakeWorkerFilesLoadedCapability) {
|
|
return fakeWorkerFilesLoadedCapability.promise;
|
|
}
|
|
fakeWorkerFilesLoadedCapability = (0, _util.createPromiseCapability)();
|
|
let mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();
|
|
if (mainWorkerMessageHandler) {
|
|
fakeWorkerFilesLoadedCapability.resolve(mainWorkerMessageHandler);
|
|
return fakeWorkerFilesLoadedCapability.promise;
|
|
}
|
|
let loader = fakeWorkerFilesLoader || function (callback) {
|
|
(0, _dom_utils.loadScript)(getWorkerSrc()).then(function () {
|
|
callback(window.pdfjsWorker.WorkerMessageHandler);
|
|
});
|
|
};
|
|
loader(fakeWorkerFilesLoadedCapability.resolve);
|
|
return fakeWorkerFilesLoadedCapability.promise;
|
|
}
|
|
function createCDNWrapper(url) {
|
|
var wrapper = 'importScripts(\'' + url + '\');';
|
|
return _util.URL.createObjectURL(new Blob([wrapper]));
|
|
}
|
|
let pdfWorkerPorts = new WeakMap();
|
|
function PDFWorker({ name = null, port = null, postMessageTransfers = true, 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 = 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();
|
|
}
|
|
PDFWorker.prototype = {
|
|
get promise() {
|
|
return this._readyCapability.promise;
|
|
},
|
|
get port() {
|
|
return this._port;
|
|
},
|
|
get messageHandler() {
|
|
return this._messageHandler;
|
|
},
|
|
_initializeFromPort: function PDFWorker_initializeFromPort(port) {
|
|
this._port = port;
|
|
this._messageHandler = new _message_handler.MessageHandler('main', 'worker', port);
|
|
this._messageHandler.on('ready', function () {});
|
|
this._readyCapability.resolve();
|
|
},
|
|
_initialize: function PDFWorker_initialize() {
|
|
if (typeof Worker !== 'undefined' && !isWorkerDisabled && !getMainThreadWorkerMessageHandler()) {
|
|
var workerSrc = getWorkerSrc();
|
|
try {
|
|
var worker = new Worker(workerSrc);
|
|
var messageHandler = new _message_handler.MessageHandler('main', 'worker', worker);
|
|
var terminateEarly = () => {
|
|
worker.removeEventListener('error', onWorkerError);
|
|
messageHandler.destroy();
|
|
worker.terminate();
|
|
if (this.destroyed) {
|
|
this._readyCapability.reject(new Error('Worker was destroyed'));
|
|
} else {
|
|
this._setupFakeWorker();
|
|
}
|
|
};
|
|
var onWorkerError = () => {
|
|
if (!this._webWorker) {
|
|
terminateEarly();
|
|
}
|
|
};
|
|
worker.addEventListener('error', onWorkerError);
|
|
messageHandler.on('test', data => {
|
|
worker.removeEventListener('error', onWorkerError);
|
|
if (this.destroyed) {
|
|
terminateEarly();
|
|
return;
|
|
}
|
|
if (data && data.supportTypedArray) {
|
|
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 = () => {
|
|
let testObj = new Uint8Array([this.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();
|
|
},
|
|
_setupFakeWorker: function PDFWorker_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;
|
|
}
|
|
let port = new LoopbackPort();
|
|
this._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);
|
|
this._messageHandler = messageHandler;
|
|
this._readyCapability.resolve();
|
|
});
|
|
},
|
|
destroy: function PDFWorker_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;
|
|
}
|
|
}
|
|
};
|
|
PDFWorker.fromPort = function (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);
|
|
};
|
|
PDFWorker.getWorkerSrc = function () {
|
|
return getWorkerSrc();
|
|
};
|
|
return PDFWorker;
|
|
}();
|
|
var WorkerTransport = function WorkerTransportClosure() {
|
|
function WorkerTransport(messageHandler, loadingTask, networkStream, params) {
|
|
this.messageHandler = messageHandler;
|
|
this.loadingTask = loadingTask;
|
|
this.commonObjs = new PDFObjects();
|
|
this.fontLoader = new _font_loader.FontLoader(loadingTask.docId);
|
|
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();
|
|
}
|
|
WorkerTransport.prototype = {
|
|
destroy: function WorkerTransport_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'));
|
|
}
|
|
var waitOn = [];
|
|
this.pageCache.forEach(function (page) {
|
|
if (page) {
|
|
waitOn.push(page._destroy());
|
|
}
|
|
});
|
|
this.pageCache = [];
|
|
this.pagePromises = [];
|
|
var terminated = this.messageHandler.sendWithPromise('Terminate', null);
|
|
waitOn.push(terminated);
|
|
Promise.all(waitOn).then(() => {
|
|
this.fontLoader.clear();
|
|
if (this._networkStream) {
|
|
this._networkStream.cancelAllRequests();
|
|
}
|
|
if (this.messageHandler) {
|
|
this.messageHandler.destroy();
|
|
this.messageHandler = null;
|
|
}
|
|
this.destroyCapability.resolve();
|
|
}, this.destroyCapability.reject);
|
|
return this.destroyCapability.promise;
|
|
},
|
|
setupMessageHandler: function WorkerTransport_setupMessageHandler() {
|
|
var messageHandler = this.messageHandler;
|
|
var loadingTask = this.loadingTask;
|
|
messageHandler.on('GetReader', function (data, sink) {
|
|
(0, _util.assert)(this._networkStream);
|
|
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));
|
|
sink.enqueue(new Uint8Array(value), 1, [value]);
|
|
}).catch(reason => {
|
|
sink.error(reason);
|
|
});
|
|
};
|
|
sink.onCancel = reason => {
|
|
this._fullReader.cancel(reason);
|
|
};
|
|
}, this);
|
|
messageHandler.on('ReaderHeadersReady', function (data) {
|
|
let headersCapability = (0, _util.createPromiseCapability)();
|
|
let fullReader = this._fullReader;
|
|
fullReader.headersReady.then(() => {
|
|
if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
|
|
if (this._lastProgress) {
|
|
let loadingTask = this.loadingTask;
|
|
if (loadingTask.onProgress) {
|
|
loadingTask.onProgress(this._lastProgress);
|
|
}
|
|
}
|
|
fullReader.onProgress = evt => {
|
|
let loadingTask = this.loadingTask;
|
|
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);
|
|
let _rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
|
|
sink.onPull = () => {
|
|
_rangeReader.read().then(function ({ value, done }) {
|
|
if (done) {
|
|
sink.close();
|
|
return;
|
|
}
|
|
(0, _util.assert)((0, _util.isArrayBuffer)(value));
|
|
sink.enqueue(new Uint8Array(value), 1, [value]);
|
|
}).catch(reason => {
|
|
sink.error(reason);
|
|
});
|
|
};
|
|
sink.onCancel = reason => {
|
|
_rangeReader.cancel(reason);
|
|
};
|
|
}, this);
|
|
messageHandler.on('GetDoc', function transportDoc({ pdfInfo }) {
|
|
this.numPages = pdfInfo.numPages;
|
|
var loadingTask = this.loadingTask;
|
|
var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask);
|
|
this.pdfDocument = pdfDocument;
|
|
loadingTask._capability.resolve(pdfDocument);
|
|
}, this);
|
|
messageHandler.on('PasswordRequest', function transportPasswordRequest(exception) {
|
|
this._passwordCapability = (0, _util.createPromiseCapability)();
|
|
if (loadingTask.onPassword) {
|
|
var 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;
|
|
}, this);
|
|
messageHandler.on('PasswordException', function transportPasswordException(exception) {
|
|
loadingTask._capability.reject(new _util.PasswordException(exception.message, exception.code));
|
|
}, this);
|
|
messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) {
|
|
this.loadingTask._capability.reject(new _util.InvalidPDFException(exception.message));
|
|
}, this);
|
|
messageHandler.on('MissingPDF', function transportMissingPDF(exception) {
|
|
this.loadingTask._capability.reject(new _util.MissingPDFException(exception.message));
|
|
}, this);
|
|
messageHandler.on('UnexpectedResponse', function transportUnexpectedResponse(exception) {
|
|
this.loadingTask._capability.reject(new _util.UnexpectedResponseException(exception.message, exception.status));
|
|
}, this);
|
|
messageHandler.on('UnknownError', function transportUnknownError(exception) {
|
|
this.loadingTask._capability.reject(new _util.UnknownErrorException(exception.message, exception.details));
|
|
}, this);
|
|
messageHandler.on('DataLoaded', function transportPage(data) {
|
|
this.downloadInfoCapability.resolve(data);
|
|
}, this);
|
|
messageHandler.on('StartRenderPage', function transportRender(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 transportRender(data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
var page = this.pageCache[data.pageIndex];
|
|
page._renderPageChunk(data.operatorList, data.intent);
|
|
}, this);
|
|
messageHandler.on('commonobj', function transportObj(data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
var id = data[0];
|
|
var type = data[1];
|
|
if (this.commonObjs.hasData(id)) {
|
|
return;
|
|
}
|
|
switch (type) {
|
|
case 'Font':
|
|
var exportedData = data[2];
|
|
let params = this._params;
|
|
if ('error' in exportedData) {
|
|
var exportedError = exportedData.error;
|
|
(0, _util.warn)('Error during font loading: ' + exportedError);
|
|
this.commonObjs.resolve(id, exportedError);
|
|
break;
|
|
}
|
|
var fontRegistry = null;
|
|
if (params.pdfBug && _global_scope2.default.FontInspector && _global_scope2.default.FontInspector.enabled) {
|
|
fontRegistry = {
|
|
registerFont(font, url) {
|
|
_global_scope2.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
|
|
});
|
|
var fontReady = fontObjs => {
|
|
this.commonObjs.resolve(id, font);
|
|
};
|
|
this.fontLoader.bind([font], fontReady);
|
|
break;
|
|
case 'FontPath':
|
|
this.commonObjs.resolve(id, data[2]);
|
|
break;
|
|
default:
|
|
throw new Error(`Got unknown common object type ${type}`);
|
|
}
|
|
}, this);
|
|
messageHandler.on('obj', function transportObj(data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
var id = data[0];
|
|
var pageIndex = data[1];
|
|
var type = data[2];
|
|
var pageProxy = this.pageCache[pageIndex];
|
|
var imageData;
|
|
if (pageProxy.objs.hasData(id)) {
|
|
return;
|
|
}
|
|
switch (type) {
|
|
case 'JpegStream':
|
|
imageData = data[3];
|
|
return new Promise((resolve, reject) => {
|
|
const img = new Image();
|
|
img.onload = function () {
|
|
resolve(img);
|
|
};
|
|
img.onerror = function () {
|
|
reject(new Error('Error during JPEG image loading'));
|
|
};
|
|
img.src = imageData;
|
|
}).then(img => {
|
|
pageProxy.objs.resolve(id, img);
|
|
});
|
|
case 'Image':
|
|
imageData = data[3];
|
|
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 ${type}`);
|
|
}
|
|
}, this);
|
|
messageHandler.on('DocProgress', function transportDocProgress(data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
var loadingTask = this.loadingTask;
|
|
if (loadingTask.onProgress) {
|
|
loadingTask.onProgress({
|
|
loaded: data.loaded,
|
|
total: data.total
|
|
});
|
|
}
|
|
}, this);
|
|
messageHandler.on('PageError', function transportError(data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
var page = this.pageCache[data.pageNum - 1];
|
|
var intentState = page.intentStates[data.intent];
|
|
if (intentState.displayReadyCapability) {
|
|
intentState.displayReadyCapability.reject(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 imageUrl = data[0];
|
|
var components = data[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;
|
|
var 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;
|
|
var i, j;
|
|
if (components === 3) {
|
|
for (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 (i = 0, j = 0; i < rgbaLength; i += 4, j++) {
|
|
buf[j] = data[i];
|
|
}
|
|
}
|
|
resolve({
|
|
data: buf,
|
|
width,
|
|
height
|
|
});
|
|
};
|
|
img.onerror = function () {
|
|
reject(new Error('JpegDecode failed to load image'));
|
|
};
|
|
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);
|
|
},
|
|
_onUnsupportedFeature({ featureId }) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
let loadingTask = this.loadingTask;
|
|
if (loadingTask.onUnsupportedFeature) {
|
|
loadingTask.onUnsupportedFeature(featureId);
|
|
}
|
|
},
|
|
getData: function WorkerTransport_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'));
|
|
}
|
|
var pageIndex = pageNumber - 1;
|
|
if (pageIndex in this.pagePromises) {
|
|
return this.pagePromises[pageIndex];
|
|
}
|
|
var promise = this.messageHandler.sendWithPromise('GetPage', { pageIndex }).then(pageInfo => {
|
|
if (this.destroyed) {
|
|
throw new Error('Transport destroyed');
|
|
}
|
|
let page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.pdfBug);
|
|
this.pageCache[pageIndex] = page;
|
|
return page;
|
|
});
|
|
this.pagePromises[pageIndex] = promise;
|
|
return promise;
|
|
},
|
|
getPageIndex: function WorkerTransport_getPageIndexByRef(ref) {
|
|
return this.messageHandler.sendWithPromise('GetPageIndex', { ref }).catch(function (reason) {
|
|
return Promise.reject(new Error(reason));
|
|
});
|
|
},
|
|
getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) {
|
|
return this.messageHandler.sendWithPromise('GetAnnotations', {
|
|
pageIndex,
|
|
intent
|
|
});
|
|
},
|
|
getDestinations: function WorkerTransport_getDestinations() {
|
|
return this.messageHandler.sendWithPromise('GetDestinations', null);
|
|
},
|
|
getDestination: function WorkerTransport_getDestination(id) {
|
|
if (typeof id !== 'string') {
|
|
return Promise.reject(new Error('Invalid destination request.'));
|
|
}
|
|
return this.messageHandler.sendWithPromise('GetDestination', { id });
|
|
},
|
|
getPageLabels: function WorkerTransport_getPageLabels() {
|
|
return this.messageHandler.sendWithPromise('GetPageLabels', null);
|
|
},
|
|
getPageMode() {
|
|
return this.messageHandler.sendWithPromise('GetPageMode', null);
|
|
},
|
|
getAttachments: function WorkerTransport_getAttachments() {
|
|
return this.messageHandler.sendWithPromise('GetAttachments', null);
|
|
},
|
|
getJavaScript: function WorkerTransport_getJavaScript() {
|
|
return this.messageHandler.sendWithPromise('GetJavaScript', null);
|
|
},
|
|
getOutline: function WorkerTransport_getOutline() {
|
|
return this.messageHandler.sendWithPromise('GetOutline', null);
|
|
},
|
|
getMetadata: function WorkerTransport_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 ? this._fullReader.filename : null
|
|
};
|
|
});
|
|
},
|
|
getStats: function WorkerTransport_getStats() {
|
|
return this.messageHandler.sendWithPromise('GetStats', null);
|
|
},
|
|
startCleanup: function WorkerTransport_startCleanup() {
|
|
this.messageHandler.sendWithPromise('Cleanup', null).then(() => {
|
|
for (var i = 0, ii = this.pageCache.length; i < ii; i++) {
|
|
var page = this.pageCache[i];
|
|
if (page) {
|
|
page.cleanup();
|
|
}
|
|
}
|
|
this.commonObjs.clear();
|
|
this.fontLoader.clear();
|
|
});
|
|
},
|
|
get loadingParams() {
|
|
let 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 = function PDFObjectsClosure() {
|
|
function PDFObjects() {
|
|
this.objs = Object.create(null);
|
|
}
|
|
PDFObjects.prototype = {
|
|
ensureObj: function PDFObjects_ensureObj(objId) {
|
|
if (this.objs[objId]) {
|
|
return this.objs[objId];
|
|
}
|
|
var obj = {
|
|
capability: (0, _util.createPromiseCapability)(),
|
|
data: null,
|
|
resolved: false
|
|
};
|
|
this.objs[objId] = obj;
|
|
return obj;
|
|
},
|
|
get: function PDFObjects_get(objId, callback) {
|
|
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 ${objId}`);
|
|
}
|
|
return obj.data;
|
|
},
|
|
resolve: function PDFObjects_resolve(objId, data) {
|
|
var obj = this.ensureObj(objId);
|
|
obj.resolved = true;
|
|
obj.data = data;
|
|
obj.capability.resolve(data);
|
|
},
|
|
isResolved: function PDFObjects_isResolved(objId) {
|
|
var objs = this.objs;
|
|
if (!objs[objId]) {
|
|
return false;
|
|
}
|
|
return objs[objId].resolved;
|
|
},
|
|
hasData: function PDFObjects_hasData(objId) {
|
|
return this.isResolved(objId);
|
|
},
|
|
getData: function PDFObjects_getData(objId) {
|
|
var objs = this.objs;
|
|
if (!objs[objId] || !objs[objId].resolved) {
|
|
return null;
|
|
}
|
|
return objs[objId].data;
|
|
},
|
|
clear: function PDFObjects_clear() {
|
|
this.objs = Object.create(null);
|
|
}
|
|
};
|
|
return PDFObjects;
|
|
}();
|
|
var RenderTask = function RenderTaskClosure() {
|
|
function RenderTask(internalRenderTask) {
|
|
this._internalRenderTask = internalRenderTask;
|
|
this.onContinue = null;
|
|
}
|
|
RenderTask.prototype = {
|
|
get promise() {
|
|
return this._internalRenderTask.capability.promise;
|
|
},
|
|
cancel: function RenderTask_cancel() {
|
|
this._internalRenderTask.cancel();
|
|
},
|
|
then: function RenderTask_then(onFulfilled, onRejected) {
|
|
return this.promise.then.apply(this.promise, arguments);
|
|
}
|
|
};
|
|
return RenderTask;
|
|
}();
|
|
var InternalRenderTask = function InternalRenderTaskClosure() {
|
|
let canvasInRendering = new WeakMap();
|
|
function InternalRenderTask(callback, params, objs, commonObjs, operatorList, pageNumber, canvasFactory, webGLContext, pdfBug = false) {
|
|
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 = false;
|
|
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;
|
|
}
|
|
InternalRenderTask.prototype = {
|
|
initializeGraphics(transparency) {
|
|
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.set(this._canvas, this);
|
|
}
|
|
if (this._pdfBug && _global_scope2.default.StepperManager && _global_scope2.default.StepperManager.enabled) {
|
|
this.stepper = _global_scope2.default.StepperManager.create(this.pageNumber - 1);
|
|
this.stepper.init(this.operatorList);
|
|
this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
|
|
}
|
|
var params = this.params;
|
|
this.gfx = new _canvas.CanvasGraphics(params.canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext, params.imageLayer);
|
|
this.gfx.beginDrawing({
|
|
transform: params.transform,
|
|
viewport: params.viewport,
|
|
transparency,
|
|
background: params.background
|
|
});
|
|
this.operatorListIdx = 0;
|
|
this.graphicsReady = true;
|
|
if (this.graphicsReadyCallback) {
|
|
this.graphicsReadyCallback();
|
|
}
|
|
},
|
|
cancel: function InternalRenderTask_cancel() {
|
|
this.running = false;
|
|
this.cancelled = true;
|
|
if (this._canvas) {
|
|
canvasInRendering.delete(this._canvas);
|
|
}
|
|
this.callback(new _dom_utils.RenderingCancelledException('Rendering cancelled, page ' + this.pageNumber, 'canvas'));
|
|
},
|
|
operatorListChanged: function InternalRenderTask_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: function InternalRenderTask__continue() {
|
|
this.running = true;
|
|
if (this.cancelled) {
|
|
return;
|
|
}
|
|
if (this.task.onContinue) {
|
|
this.task.onContinue(this._scheduleNextBound);
|
|
} else {
|
|
this._scheduleNext();
|
|
}
|
|
},
|
|
_scheduleNext: function InternalRenderTask__scheduleNext() {
|
|
if (this.useRequestAnimationFrame && typeof window !== 'undefined') {
|
|
window.requestAnimationFrame(() => {
|
|
this._nextBound().catch(this.callback);
|
|
});
|
|
} else {
|
|
Promise.resolve().then(this._nextBound).catch(this.callback);
|
|
}
|
|
},
|
|
_next: function InternalRenderTask__next() {
|
|
return new Promise(() => {
|
|
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;
|
|
}();
|
|
var version, build;
|
|
{
|
|
exports.version = version = '2.0.775';
|
|
exports.build = build = '20cd1b35';
|
|
}
|
|
exports.getDocument = getDocument;
|
|
exports.LoopbackPort = LoopbackPort;
|
|
exports.PDFDataRangeTransport = PDFDataRangeTransport;
|
|
exports.PDFWorker = PDFWorker;
|
|
exports.PDFDocumentProxy = PDFDocumentProxy;
|
|
exports.PDFPageProxy = PDFPageProxy;
|
|
exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
|
|
exports.version = version;
|
|
exports.build = build;
|
|
|
|
/***/ }),
|
|
/* 8 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.loadScript = exports.DummyStatTimer = exports.StatTimer = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.DOMCanvasFactory = exports.DEFAULT_LINK_REL = exports.LinkTarget = exports.getFilenameFromUrl = exports.addLinkAttributes = exports.RenderingCancelledException = exports.PageViewport = undefined;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
const DEFAULT_LINK_REL = 'noopener noreferrer nofollow';
|
|
const SVG_NS = 'http://www.w3.org/2000/svg';
|
|
class DOMCanvasFactory {
|
|
create(width, height) {
|
|
if (width <= 0 || height <= 0) {
|
|
throw new Error('invalid canvas size');
|
|
}
|
|
let canvas = document.createElement('canvas');
|
|
let context = canvas.getContext('2d');
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
return {
|
|
canvas,
|
|
context
|
|
};
|
|
}
|
|
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;
|
|
}
|
|
}
|
|
class DOMCMapReaderFactory {
|
|
constructor({ baseUrl = null, isCompressed = false }) {
|
|
this.baseUrl = baseUrl;
|
|
this.isCompressed = isCompressed;
|
|
}
|
|
fetch({ name }) {
|
|
if (!this.baseUrl) {
|
|
return Promise.reject(new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.'));
|
|
}
|
|
if (!name) {
|
|
return Promise.reject(new Error('CMap name must be specified.'));
|
|
}
|
|
return new Promise((resolve, reject) => {
|
|
let url = this.baseUrl + name + (this.isCompressed ? '.bcmap' : '');
|
|
let request = new XMLHttpRequest();
|
|
request.open('GET', url, true);
|
|
if (this.isCompressed) {
|
|
request.responseType = 'arraybuffer';
|
|
}
|
|
request.onreadystatechange = () => {
|
|
if (request.readyState !== XMLHttpRequest.DONE) {
|
|
return;
|
|
}
|
|
if (request.status === 200 || request.status === 0) {
|
|
let data;
|
|
if (this.isCompressed && request.response) {
|
|
data = new Uint8Array(request.response);
|
|
} else if (!this.isCompressed && request.responseText) {
|
|
data = (0, _util.stringToBytes)(request.responseText);
|
|
}
|
|
if (data) {
|
|
resolve({
|
|
cMapData: data,
|
|
compressionType: this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE
|
|
});
|
|
return;
|
|
}
|
|
}
|
|
reject(new Error('Unable to load ' + (this.isCompressed ? 'binary ' : '') + 'CMap at: ' + url));
|
|
};
|
|
request.send(null);
|
|
});
|
|
}
|
|
}
|
|
class DOMSVGFactory {
|
|
create(width, height) {
|
|
(0, _util.assert)(width > 0 && height > 0, 'Invalid SVG dimensions');
|
|
let 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);
|
|
}
|
|
}
|
|
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;
|
|
let centerX = (viewBox[2] + viewBox[0]) / 2;
|
|
let 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;
|
|
default:
|
|
rotateA = 1;
|
|
rotateB = 0;
|
|
rotateC = 0;
|
|
rotateD = -1;
|
|
break;
|
|
}
|
|
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, dontFlip = false } = {}) {
|
|
return new PageViewport({
|
|
viewBox: this.viewBox.slice(),
|
|
scale,
|
|
rotation,
|
|
offsetX: this.offsetX,
|
|
offsetY: this.offsetY,
|
|
dontFlip
|
|
});
|
|
}
|
|
convertToViewportPoint(x, y) {
|
|
return _util.Util.applyTransform([x, y], this.transform);
|
|
}
|
|
convertToViewportRectangle(rect) {
|
|
let tl = _util.Util.applyTransform([rect[0], rect[1]], this.transform);
|
|
let br = _util.Util.applyTransform([rect[2], rect[3]], this.transform);
|
|
return [tl[0], tl[1], br[0], br[1]];
|
|
}
|
|
convertToPdfPoint(x, y) {
|
|
return _util.Util.applyInverseTransform([x, y], this.transform);
|
|
}
|
|
}
|
|
var RenderingCancelledException = function RenderingCancelledException() {
|
|
function RenderingCancelledException(msg, type) {
|
|
this.message = msg;
|
|
this.type = type;
|
|
}
|
|
RenderingCancelledException.prototype = new Error();
|
|
RenderingCancelledException.prototype.name = 'RenderingCancelledException';
|
|
RenderingCancelledException.constructor = RenderingCancelledException;
|
|
return RenderingCancelledException;
|
|
}();
|
|
const LinkTarget = {
|
|
NONE: 0,
|
|
SELF: 1,
|
|
BLANK: 2,
|
|
PARENT: 3,
|
|
TOP: 4
|
|
};
|
|
const LinkTargetStringMap = ['', '_self', '_blank', '_parent', '_top'];
|
|
function addLinkAttributes(link, { url, target, rel } = {}) {
|
|
link.href = link.title = url ? (0, _util.removeNullCharacters)(url) : '';
|
|
if (url) {
|
|
const LinkTargetValues = Object.values(LinkTarget);
|
|
let targetIndex = LinkTargetValues.includes(target) ? target : LinkTarget.NONE;
|
|
link.target = LinkTargetStringMap[targetIndex];
|
|
link.rel = typeof rel === 'string' ? rel : DEFAULT_LINK_REL;
|
|
}
|
|
}
|
|
function getFilenameFromUrl(url) {
|
|
var anchor = url.indexOf('#');
|
|
var query = url.indexOf('?');
|
|
var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
|
|
return url.substring(url.lastIndexOf('/', end) + 1, end);
|
|
}
|
|
class StatTimer {
|
|
constructor(enable = true) {
|
|
this.enabled = !!enable;
|
|
this.started = Object.create(null);
|
|
this.times = [];
|
|
}
|
|
time(name) {
|
|
if (!this.enabled) {
|
|
return;
|
|
}
|
|
if (name in this.started) {
|
|
(0, _util.warn)('Timer is already running for ' + name);
|
|
}
|
|
this.started[name] = Date.now();
|
|
}
|
|
timeEnd(name) {
|
|
if (!this.enabled) {
|
|
return;
|
|
}
|
|
if (!(name in this.started)) {
|
|
(0, _util.warn)('Timer has not been started for ' + name);
|
|
}
|
|
this.times.push({
|
|
'name': name,
|
|
'start': this.started[name],
|
|
'end': Date.now()
|
|
});
|
|
delete this.started[name];
|
|
}
|
|
toString() {
|
|
let times = this.times;
|
|
let out = '',
|
|
longest = 0;
|
|
for (let i = 0, ii = times.length; i < ii; ++i) {
|
|
let name = times[i]['name'];
|
|
if (name.length > longest) {
|
|
longest = name.length;
|
|
}
|
|
}
|
|
for (let i = 0, ii = times.length; i < ii; ++i) {
|
|
let span = times[i];
|
|
let duration = span.end - span.start;
|
|
out += `${span['name'].padEnd(longest)} ${duration}ms\n`;
|
|
}
|
|
return out;
|
|
}
|
|
}
|
|
class DummyStatTimer {
|
|
constructor() {
|
|
(0, _util.unreachable)('Cannot initialize DummyStatTimer.');
|
|
}
|
|
static time(name) {}
|
|
static timeEnd(name) {}
|
|
static toString() {
|
|
return '';
|
|
}
|
|
}
|
|
function loadScript(src) {
|
|
return new Promise((resolve, reject) => {
|
|
let script = document.createElement('script');
|
|
script.src = src;
|
|
script.onload = resolve;
|
|
script.onerror = function () {
|
|
reject(new Error(`Cannot load script at: ${script.src}`));
|
|
};
|
|
(document.head || document.documentElement).appendChild(script);
|
|
});
|
|
}
|
|
exports.PageViewport = PageViewport;
|
|
exports.RenderingCancelledException = RenderingCancelledException;
|
|
exports.addLinkAttributes = addLinkAttributes;
|
|
exports.getFilenameFromUrl = getFilenameFromUrl;
|
|
exports.LinkTarget = LinkTarget;
|
|
exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
|
|
exports.DOMCanvasFactory = DOMCanvasFactory;
|
|
exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
|
|
exports.DOMSVGFactory = DOMSVGFactory;
|
|
exports.StatTimer = StatTimer;
|
|
exports.DummyStatTimer = DummyStatTimer;
|
|
exports.loadScript = loadScript;
|
|
|
|
/***/ }),
|
|
/* 9 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.FontLoader = exports.FontFaceObject = undefined;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
function FontLoader(docId) {
|
|
this.docId = docId;
|
|
this.styleElement = null;
|
|
}
|
|
FontLoader.prototype = {
|
|
insertRule: function fontLoaderInsertRule(rule) {
|
|
var styleElement = this.styleElement;
|
|
if (!styleElement) {
|
|
styleElement = this.styleElement = document.createElement('style');
|
|
styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId;
|
|
document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement);
|
|
}
|
|
var styleSheet = styleElement.sheet;
|
|
styleSheet.insertRule(rule, styleSheet.cssRules.length);
|
|
},
|
|
clear: function fontLoaderClear() {
|
|
if (this.styleElement) {
|
|
this.styleElement.remove();
|
|
this.styleElement = null;
|
|
}
|
|
}
|
|
};
|
|
{
|
|
FontLoader.prototype.bind = function fontLoaderBind(fonts, callback) {
|
|
for (var i = 0, ii = fonts.length; i < ii; i++) {
|
|
var font = fonts[i];
|
|
if (font.attached) {
|
|
continue;
|
|
}
|
|
font.attached = true;
|
|
var rule = font.createFontFaceRule();
|
|
if (rule) {
|
|
this.insertRule(rule);
|
|
}
|
|
}
|
|
setTimeout(callback);
|
|
};
|
|
}
|
|
;
|
|
;
|
|
var IsEvalSupportedCached = {
|
|
get value() {
|
|
return (0, _util.shadow)(this, 'value', (0, _util.isEvalSupported)());
|
|
}
|
|
};
|
|
var FontFaceObject = function FontFaceObjectClosure() {
|
|
function FontFaceObject(translatedData, { isEvalSupported = true, disableFontFace = false, ignoreErrors = false, onUnsupportedFeature = null, fontRegistry = null }) {
|
|
this.compiledGlyphs = Object.create(null);
|
|
for (var 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;
|
|
}
|
|
FontFaceObject.prototype = {
|
|
createNativeFontFace: function FontFaceObject_createNativeFontFace() {
|
|
throw new Error('Not implemented: createNativeFontFace');
|
|
},
|
|
createFontFaceRule: function FontFaceObject_createFontFaceRule() {
|
|
if (!this.data || this.disableFontFace) {
|
|
return null;
|
|
}
|
|
var data = (0, _util.bytesToString)(new Uint8Array(this.data));
|
|
var fontName = this.loadedName;
|
|
var url = 'url(data:' + this.mimetype + ';base64,' + btoa(data) + ');';
|
|
var rule = '@font-face { font-family:"' + fontName + '";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.font });
|
|
}
|
|
(0, _util.warn)(`getPathGenerator - ignoring character: "${ex}".`);
|
|
return this.compiledGlyphs[character] = function (c, size) {};
|
|
}
|
|
if (this.isEvalSupported && 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);
|
|
}
|
|
};
|
|
}
|
|
};
|
|
return FontFaceObject;
|
|
}();
|
|
exports.FontFaceObject = FontFaceObject;
|
|
exports.FontLoader = FontLoader;
|
|
|
|
/***/ }),
|
|
/* 10 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
let compatibilityParams = Object.create(null);
|
|
;
|
|
exports.apiCompatibilityParams = Object.freeze(compatibilityParams);
|
|
|
|
/***/ }),
|
|
/* 11 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.CanvasGraphics = undefined;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _pattern_helper = __w_pdfjs_require__(12);
|
|
|
|
var MIN_FONT_SIZE = 16;
|
|
var MAX_FONT_SIZE = 100;
|
|
var MAX_GROUP_SIZE = 4096;
|
|
var MIN_WIDTH_FACTOR = 0.65;
|
|
var COMPILE_TYPE3_GLYPHS = true;
|
|
var MAX_SIZE_TO_COMPILE = 1000;
|
|
var FULL_CHUNK_HEIGHT = 16;
|
|
var IsLittleEndianCached = {
|
|
get value() {
|
|
return (0, _util.shadow)(IsLittleEndianCached, 'value', (0, _util.isLittleEndian)());
|
|
}
|
|
};
|
|
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() {
|
|
var m = this._transformMatrix;
|
|
var a = m[0],
|
|
b = m[1],
|
|
c = m[2],
|
|
d = m[3],
|
|
e = m[4],
|
|
f = m[5];
|
|
var ad_bc = a * d - b * c;
|
|
var 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() {
|
|
var old = this._transformMatrix;
|
|
this._transformStack.push(old);
|
|
this._transformMatrix = old.slice(0, 6);
|
|
this._originalSave();
|
|
};
|
|
ctx.restore = function ctxRestore() {
|
|
var prev = this._transformStack.pop();
|
|
if (prev) {
|
|
this._transformMatrix = prev;
|
|
this._originalRestore();
|
|
}
|
|
};
|
|
ctx.translate = function ctxTranslate(x, y) {
|
|
var 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) {
|
|
var 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) {
|
|
var 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) {
|
|
var cosValue = Math.cos(angle);
|
|
var sinValue = Math.sin(angle);
|
|
var 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);
|
|
};
|
|
}
|
|
}
|
|
var CachedCanvases = function CachedCanvasesClosure() {
|
|
function CachedCanvases(canvasFactory) {
|
|
this.canvasFactory = canvasFactory;
|
|
this.cache = Object.create(null);
|
|
}
|
|
CachedCanvases.prototype = {
|
|
getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) {
|
|
var 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 (var id in this.cache) {
|
|
var canvasEntry = this.cache[id];
|
|
this.canvasFactory.destroy(canvasEntry);
|
|
delete this.cache[id];
|
|
}
|
|
}
|
|
};
|
|
return CachedCanvases;
|
|
}();
|
|
function compileType3Glyph(imgData) {
|
|
var POINT_TO_PROCESS_LIMIT = 1000;
|
|
var width = imgData.width,
|
|
height = imgData.height;
|
|
var i,
|
|
j,
|
|
j0,
|
|
width1 = width + 1;
|
|
var points = new Uint8Array(width1 * (height + 1));
|
|
var POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
|
|
var lineSize = width + 7 & ~7,
|
|
data0 = imgData.data;
|
|
var data = new Uint8Array(lineSize * height),
|
|
pos = 0,
|
|
ii;
|
|
for (i = 0, ii = data0.length; i < ii; i++) {
|
|
var mask = 128,
|
|
elem = data0[i];
|
|
while (mask > 0) {
|
|
data[pos++] = elem & mask ? 0 : 255;
|
|
mask >>= 1;
|
|
}
|
|
}
|
|
var 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;
|
|
}
|
|
var 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;
|
|
}
|
|
var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
|
|
var outlines = [];
|
|
for (i = 0; count && i <= height; i++) {
|
|
var p = i * width1;
|
|
var end = p + width;
|
|
while (p < end && !points[p]) {
|
|
p++;
|
|
}
|
|
if (p === end) {
|
|
continue;
|
|
}
|
|
var coords = [p % width1, i];
|
|
var type = points[p],
|
|
p0 = p,
|
|
pp;
|
|
do {
|
|
var step = steps[type];
|
|
do {
|
|
p += step;
|
|
} while (!points[p]);
|
|
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);
|
|
--count;
|
|
} while (p0 !== p);
|
|
outlines.push(coords);
|
|
--i;
|
|
}
|
|
var drawOutline = function (c) {
|
|
c.save();
|
|
c.scale(1 / width, -1 / height);
|
|
c.translate(0, -height);
|
|
c.beginPath();
|
|
for (var i = 0, ii = outlines.length; i < ii; i++) {
|
|
var o = outlines[i];
|
|
c.moveTo(o[0], o[1]);
|
|
for (var j = 2, jj = o.length; j < jj; j += 2) {
|
|
c.lineTo(o[j], o[j + 1]);
|
|
}
|
|
}
|
|
c.fill();
|
|
c.beginPath();
|
|
c.restore();
|
|
};
|
|
return drawOutline;
|
|
}
|
|
var 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;
|
|
}
|
|
CanvasExtraState.prototype = {
|
|
clone: function CanvasExtraState_clone() {
|
|
return Object.create(this);
|
|
},
|
|
setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
|
|
this.x = x;
|
|
this.y = y;
|
|
}
|
|
};
|
|
return CanvasExtraState;
|
|
}();
|
|
var CanvasGraphics = function CanvasGraphicsClosure() {
|
|
var EXECUTION_TIME = 15;
|
|
var EXECUTION_STEPS = 10;
|
|
function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, webGLContext, imageLayer) {
|
|
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.cachedCanvases = new CachedCanvases(this.canvasFactory);
|
|
if (canvasCtx) {
|
|
addContextCurrentTransform(canvasCtx);
|
|
}
|
|
this.cachedGetSinglePixelWidth = null;
|
|
}
|
|
function putBinaryImageData(ctx, imgData) {
|
|
if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) {
|
|
ctx.putImageData(imgData, 0, 0);
|
|
return;
|
|
}
|
|
var height = imgData.height,
|
|
width = imgData.width;
|
|
var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
|
|
var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
|
|
var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
|
|
var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
|
|
var srcPos = 0,
|
|
destPos;
|
|
var src = imgData.data;
|
|
var dest = chunkImgData.data;
|
|
var i, j, thisChunkHeight, elemsInThisChunk;
|
|
if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) {
|
|
var srcLength = src.byteLength;
|
|
var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
|
|
var dest32DataLength = dest32.length;
|
|
var fullSrcDiff = width + 7 >> 3;
|
|
var white = 0xFFFFFFFF;
|
|
var black = IsLittleEndianCached.value ? 0xFF000000 : 0x000000FF;
|
|
for (i = 0; i < totalChunks; i++) {
|
|
thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
|
|
destPos = 0;
|
|
for (j = 0; j < thisChunkHeight; j++) {
|
|
var srcDiff = srcLength - srcPos;
|
|
var k = 0;
|
|
var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
|
|
var kEndUnrolled = kEnd & ~7;
|
|
var mask = 0;
|
|
var srcByte = 0;
|
|
for (; k < kEndUnrolled; k += 8) {
|
|
srcByte = src[srcPos++];
|
|
dest32[destPos++] = srcByte & 128 ? white : black;
|
|
dest32[destPos++] = srcByte & 64 ? white : black;
|
|
dest32[destPos++] = srcByte & 32 ? white : black;
|
|
dest32[destPos++] = srcByte & 16 ? white : black;
|
|
dest32[destPos++] = srcByte & 8 ? white : black;
|
|
dest32[destPos++] = srcByte & 4 ? white : black;
|
|
dest32[destPos++] = srcByte & 2 ? white : black;
|
|
dest32[destPos++] = srcByte & 1 ? white : black;
|
|
}
|
|
for (; k < kEnd; k++) {
|
|
if (mask === 0) {
|
|
srcByte = src[srcPos++];
|
|
mask = 128;
|
|
}
|
|
dest32[destPos++] = srcByte & mask ? white : black;
|
|
mask >>= 1;
|
|
}
|
|
}
|
|
while (destPos < dest32DataLength) {
|
|
dest32[destPos++] = 0;
|
|
}
|
|
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
|
|
}
|
|
} else if (imgData.kind === _util.ImageKind.RGBA_32BPP) {
|
|
j = 0;
|
|
elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
|
|
for (i = 0; i < fullChunks; i++) {
|
|
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
|
|
srcPos += elemsInThisChunk;
|
|
ctx.putImageData(chunkImgData, 0, j);
|
|
j += FULL_CHUNK_HEIGHT;
|
|
}
|
|
if (i < totalChunks) {
|
|
elemsInThisChunk = width * partialChunkHeight * 4;
|
|
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
|
|
ctx.putImageData(chunkImgData, 0, j);
|
|
}
|
|
} else if (imgData.kind === _util.ImageKind.RGB_24BPP) {
|
|
thisChunkHeight = FULL_CHUNK_HEIGHT;
|
|
elemsInThisChunk = width * thisChunkHeight;
|
|
for (i = 0; i < totalChunks; i++) {
|
|
if (i >= fullChunks) {
|
|
thisChunkHeight = partialChunkHeight;
|
|
elemsInThisChunk = width * thisChunkHeight;
|
|
}
|
|
destPos = 0;
|
|
for (j = elemsInThisChunk; j--;) {
|
|
dest[destPos++] = src[srcPos++];
|
|
dest[destPos++] = src[srcPos++];
|
|
dest[destPos++] = src[srcPos++];
|
|
dest[destPos++] = 255;
|
|
}
|
|
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
|
|
}
|
|
} else {
|
|
throw new Error(`bad image kind: ${imgData.kind}`);
|
|
}
|
|
}
|
|
function putBinaryImageMask(ctx, imgData) {
|
|
var height = imgData.height,
|
|
width = imgData.width;
|
|
var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
|
|
var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
|
|
var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
|
|
var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
|
|
var srcPos = 0;
|
|
var src = imgData.data;
|
|
var dest = chunkImgData.data;
|
|
for (var i = 0; i < totalChunks; i++) {
|
|
var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
|
|
var destPos = 3;
|
|
for (var j = 0; j < thisChunkHeight; j++) {
|
|
var mask = 0;
|
|
for (var k = 0; k < width; k++) {
|
|
if (!mask) {
|
|
var 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) {
|
|
var properties = ['strokeStyle', 'fillStyle', 'fillRule', 'globalAlpha', 'lineWidth', 'lineCap', 'lineJoin', 'miterLimit', 'globalCompositeOperation', 'font'];
|
|
for (var i = 0, ii = properties.length; i < ii; i++) {
|
|
var 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) {
|
|
var length = bytes.length;
|
|
for (var i = 3; i < length; i += 4) {
|
|
var alpha = bytes[i];
|
|
if (alpha === 0) {
|
|
bytes[i - 3] = r0;
|
|
bytes[i - 2] = g0;
|
|
bytes[i - 1] = b0;
|
|
} else if (alpha < 255) {
|
|
var 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) {
|
|
var length = maskData.length;
|
|
var scale = 1 / 255;
|
|
for (var i = 3; i < length; i += 4) {
|
|
var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
|
|
layerData[i] = layerData[i] * alpha * scale | 0;
|
|
}
|
|
}
|
|
function composeSMaskLuminosity(maskData, layerData, transferMap) {
|
|
var length = maskData.length;
|
|
for (var i = 3; i < length; i += 4) {
|
|
var 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) {
|
|
var hasBackdrop = !!backdrop;
|
|
var r0 = hasBackdrop ? backdrop[0] : 0;
|
|
var g0 = hasBackdrop ? backdrop[1] : 0;
|
|
var b0 = hasBackdrop ? backdrop[2] : 0;
|
|
var composeFn;
|
|
if (subtype === 'Luminosity') {
|
|
composeFn = composeSMaskLuminosity;
|
|
} else {
|
|
composeFn = composeSMaskAlpha;
|
|
}
|
|
var PIXELS_TO_PROCESS = 1048576;
|
|
var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
|
|
for (var row = 0; row < height; row += chunkSize) {
|
|
var chunkHeight = Math.min(chunkSize, height - row);
|
|
var maskData = maskCtx.getImageData(0, row, width, chunkHeight);
|
|
var 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) {
|
|
var mask = smask.canvas;
|
|
var maskCtx = smask.context;
|
|
ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY);
|
|
var backdrop = smask.backdrop || null;
|
|
if (!smask.transferMap && webGLContext.isEnabled) {
|
|
let 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);
|
|
}
|
|
var LINE_CAP_STYLES = ['butt', 'round', 'square'];
|
|
var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];
|
|
var NORMAL_CLIP = {};
|
|
var EO_CLIP = {};
|
|
CanvasGraphics.prototype = {
|
|
beginDrawing({ transform, viewport, transparency, background = null }) {
|
|
var width = this.ctx.canvas.width;
|
|
var 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) {
|
|
var 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) {
|
|
var argsArray = operatorList.argsArray;
|
|
var fnArray = operatorList.fnArray;
|
|
var i = executionStartIdx || 0;
|
|
var argsArrayLen = argsArray.length;
|
|
if (argsArrayLen === i) {
|
|
return i;
|
|
}
|
|
var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === 'function';
|
|
var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
|
|
var steps = 0;
|
|
var commonObjs = this.commonObjs;
|
|
var objs = this.objs;
|
|
var 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 {
|
|
var deps = argsArray[i];
|
|
for (var n = 0, nn = deps.length; n < nn; n++) {
|
|
var depObjId = deps[n];
|
|
var common = depObjId[0] === 'g' && depObjId[1] === '_';
|
|
var objsPool = common ? commonObjs : objs;
|
|
if (!objsPool.isResolved(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() {
|
|
if (this.current.activeSMask !== null) {
|
|
this.endSMaskGroup();
|
|
}
|
|
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) {
|
|
var ctx = this.ctx;
|
|
if (ctx.setLineDash !== undefined) {
|
|
ctx.setLineDash(dashArray);
|
|
ctx.lineDashOffset = dashPhase;
|
|
}
|
|
},
|
|
setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) {},
|
|
setFlatness: function CanvasGraphics_setFlatness(flatness) {},
|
|
setGState: function CanvasGraphics_setGState(states) {
|
|
for (var i = 0, ii = states.length; i < ii; i++) {
|
|
var state = states[i];
|
|
var key = state[0];
|
|
var 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;
|
|
}
|
|
}
|
|
},
|
|
beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
|
|
var activeSMask = this.current.activeSMask;
|
|
var drawnWidth = activeSMask.canvas.width;
|
|
var drawnHeight = activeSMask.canvas.height;
|
|
var cacheId = 'smaskGroupAt' + this.groupLevel;
|
|
var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
|
|
var currentCtx = this.ctx;
|
|
var currentTransform = currentCtx.mozCurrentTransform;
|
|
this.ctx.save();
|
|
var 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() {
|
|
var 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;
|
|
var 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_endSMaskGroup() {
|
|
var groupCtx = this.current.resumeSMaskCtx;
|
|
var currentCtx = this.ctx;
|
|
this.ctx = groupCtx;
|
|
this.groupStack.push(currentCtx);
|
|
this.groupLevel++;
|
|
},
|
|
endSMaskGroup: function CanvasGraphics_endSMaskGroup() {
|
|
var 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);
|
|
var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
|
|
this.ctx.transform.apply(this.ctx, deltaTransform);
|
|
},
|
|
save: function CanvasGraphics_save() {
|
|
this.ctx.save();
|
|
var 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;
|
|
}
|
|
},
|
|
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) {
|
|
var ctx = this.ctx;
|
|
var current = this.current;
|
|
var x = current.x,
|
|
y = current.y;
|
|
for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {
|
|
switch (ops[i] | 0) {
|
|
case _util.OPS.rectangle:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
var width = args[j++];
|
|
var height = args[j++];
|
|
if (width === 0) {
|
|
width = this.getSinglePixelWidth();
|
|
}
|
|
if (height === 0) {
|
|
height = this.getSinglePixelWidth();
|
|
}
|
|
var xw = x + width;
|
|
var yh = y + height;
|
|
this.ctx.moveTo(x, y);
|
|
this.ctx.lineTo(xw, y);
|
|
this.ctx.lineTo(xw, yh);
|
|
this.ctx.lineTo(x, yh);
|
|
this.ctx.lineTo(x, y);
|
|
this.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;
|
|
var ctx = this.ctx;
|
|
var strokeColor = this.current.strokeColor;
|
|
ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
|
|
ctx.globalAlpha = this.current.strokeAlpha;
|
|
if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') {
|
|
ctx.save();
|
|
ctx.strokeStyle = strokeColor.getPattern(ctx, this);
|
|
ctx.stroke();
|
|
ctx.restore();
|
|
} else {
|
|
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;
|
|
var ctx = this.ctx;
|
|
var fillColor = this.current.fillColor;
|
|
var isPatternFill = this.current.patternFill;
|
|
var 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.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() {
|
|
var paths = this.pendingTextPaths;
|
|
var ctx = this.ctx;
|
|
if (paths === undefined) {
|
|
ctx.beginPath();
|
|
return;
|
|
}
|
|
ctx.save();
|
|
ctx.beginPath();
|
|
for (var i = 0; i < paths.length; i++) {
|
|
var 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) {
|
|
var fontObj = this.commonObjs.get(fontRefName);
|
|
var 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;
|
|
}
|
|
var name = fontObj.loadedName || 'sans-serif';
|
|
var bold = fontObj.black ? '900' : fontObj.bold ? 'bold' : 'normal';
|
|
var italic = fontObj.italic ? 'italic' : 'normal';
|
|
var typeface = '"' + name + '", ' + fontObj.fallbackName;
|
|
var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size;
|
|
this.current.fontSizeScale = size / browserFontSize;
|
|
var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface;
|
|
this.ctx.font = rule;
|
|
},
|
|
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) {
|
|
var ctx = this.ctx;
|
|
var current = this.current;
|
|
var font = current.font;
|
|
var textRenderingMode = current.textRenderingMode;
|
|
var fontSize = current.fontSize / current.fontSizeScale;
|
|
var fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
|
|
var isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
|
|
let patternFill = current.patternFill && font.data;
|
|
var 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) {
|
|
var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
|
|
paths.push({
|
|
transform: ctx.mozCurrentTransform,
|
|
x,
|
|
y,
|
|
fontSize,
|
|
addToPath
|
|
});
|
|
}
|
|
},
|
|
get isFontSubpixelAAEnabled() {
|
|
var ctx = this.canvasFactory.create(10, 10).context;
|
|
ctx.scale(1.5, 1);
|
|
ctx.fillText('I', 0, 10);
|
|
var data = ctx.getImageData(0, 0, 10, 10).data;
|
|
var enabled = false;
|
|
for (var 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) {
|
|
var current = this.current;
|
|
var font = current.font;
|
|
if (font.isType3Font) {
|
|
return this.showType3Text(glyphs);
|
|
}
|
|
var fontSize = current.fontSize;
|
|
if (fontSize === 0) {
|
|
return;
|
|
}
|
|
var ctx = this.ctx;
|
|
var fontSizeScale = current.fontSizeScale;
|
|
var charSpacing = current.charSpacing;
|
|
var wordSpacing = current.wordSpacing;
|
|
var fontDirection = current.fontDirection;
|
|
var textHScale = current.textHScale * fontDirection;
|
|
var glyphsLength = glyphs.length;
|
|
var vertical = font.vertical;
|
|
var spacingDir = vertical ? 1 : -1;
|
|
var defaultVMetrics = font.defaultVMetrics;
|
|
var widthAdvanceScale = fontSize * current.fontMatrix[0];
|
|
var simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill;
|
|
ctx.save();
|
|
let patternTransform;
|
|
if (current.patternFill) {
|
|
ctx.save();
|
|
let 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);
|
|
}
|
|
var lineWidth = current.lineWidth;
|
|
var scale = current.textMatrixScale;
|
|
if (scale === 0 || lineWidth === 0) {
|
|
var 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;
|
|
var x = 0,
|
|
i;
|
|
for (i = 0; i < glyphsLength; ++i) {
|
|
var glyph = glyphs[i];
|
|
if ((0, _util.isNum)(glyph)) {
|
|
x += spacingDir * glyph * fontSize / 1000;
|
|
continue;
|
|
}
|
|
var restoreNeeded = false;
|
|
var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
|
|
var character = glyph.fontChar;
|
|
var accent = glyph.accent;
|
|
var scaledX, scaledY, scaledAccentX, scaledAccentY;
|
|
var width = glyph.width;
|
|
if (vertical) {
|
|
var vmetric, vx, vy;
|
|
vmetric = glyph.vmetric || defaultVMetrics;
|
|
vx = glyph.vmetric ? vmetric[1] : width * 0.5;
|
|
vx = -vx * widthAdvanceScale;
|
|
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) {
|
|
var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
|
|
if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
|
|
var characterScaleX = width / measuredWidth;
|
|
restoreNeeded = true;
|
|
ctx.save();
|
|
ctx.scale(characterScaleX, 1);
|
|
scaledX /= characterScaleX;
|
|
} else if (width !== measuredWidth) {
|
|
scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
|
|
}
|
|
}
|
|
if (glyph.isInFont || font.missingFile) {
|
|
if (simpleFillText && !accent) {
|
|
ctx.fillText(character, scaledX, scaledY);
|
|
} else {
|
|
this.paintChar(character, scaledX, scaledY, patternTransform);
|
|
if (accent) {
|
|
scaledAccentX = scaledX + accent.offset.x / fontSizeScale;
|
|
scaledAccentY = scaledY - accent.offset.y / fontSizeScale;
|
|
this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform);
|
|
}
|
|
}
|
|
}
|
|
var charWidth = width * widthAdvanceScale + spacing * fontDirection;
|
|
x += charWidth;
|
|
if (restoreNeeded) {
|
|
ctx.restore();
|
|
}
|
|
}
|
|
if (vertical) {
|
|
current.y -= x * textHScale;
|
|
} else {
|
|
current.x += x * textHScale;
|
|
}
|
|
ctx.restore();
|
|
},
|
|
showType3Text: function CanvasGraphics_showType3Text(glyphs) {
|
|
var ctx = this.ctx;
|
|
var current = this.current;
|
|
var font = current.font;
|
|
var fontSize = current.fontSize;
|
|
var fontDirection = current.fontDirection;
|
|
var spacingDir = font.vertical ? 1 : -1;
|
|
var charSpacing = current.charSpacing;
|
|
var wordSpacing = current.wordSpacing;
|
|
var textHScale = current.textHScale * fontDirection;
|
|
var fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX;
|
|
var glyphsLength = glyphs.length;
|
|
var isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE;
|
|
var 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;
|
|
}
|
|
var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
|
|
var operatorList = font.charProcOperatorList[glyph.operatorListId];
|
|
if (!operatorList) {
|
|
(0, _util.warn)(`Type3 character "${glyph.operatorListId}" is not available.`);
|
|
continue;
|
|
}
|
|
this.processingType3 = glyph;
|
|
this.save();
|
|
ctx.scale(fontSize, fontSize);
|
|
ctx.transform.apply(ctx, fontMatrix);
|
|
this.executeOperatorList(operatorList);
|
|
this.restore();
|
|
var 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) {
|
|
var pattern;
|
|
if (IR[0] === 'TilingPattern') {
|
|
var color = IR[1];
|
|
var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
|
|
var 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) {
|
|
var color = _util.Util.makeCssRgb(r, g, b);
|
|
this.ctx.strokeStyle = color;
|
|
this.current.strokeColor = color;
|
|
},
|
|
setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
|
|
var color = _util.Util.makeCssRgb(r, g, b);
|
|
this.ctx.fillStyle = color;
|
|
this.current.fillColor = color;
|
|
this.current.patternFill = false;
|
|
},
|
|
shadingFill: function CanvasGraphics_shadingFill(patternIR) {
|
|
var ctx = this.ctx;
|
|
this.save();
|
|
var pattern = (0, _pattern_helper.getShadingPatternFromIR)(patternIR);
|
|
ctx.fillStyle = pattern.getPattern(ctx, this, true);
|
|
var inv = ctx.mozCurrentTransformInverse;
|
|
if (inv) {
|
|
var canvas = ctx.canvas;
|
|
var width = canvas.width;
|
|
var height = canvas.height;
|
|
var bl = _util.Util.applyTransform([0, 0], inv);
|
|
var br = _util.Util.applyTransform([0, height], inv);
|
|
var ul = _util.Util.applyTransform([width, 0], inv);
|
|
var ur = _util.Util.applyTransform([width, height], inv);
|
|
var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
|
|
var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
|
|
var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
|
|
var 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) {
|
|
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 (Array.isArray(bbox) && bbox.length === 4) {
|
|
var width = bbox[2] - bbox[0];
|
|
var height = bbox[3] - bbox[1];
|
|
this.ctx.rect(bbox[0], bbox[1], width, height);
|
|
this.clip();
|
|
this.endPath();
|
|
}
|
|
},
|
|
paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
|
|
this.restore();
|
|
this.baseTransform = this.baseTransformStack.pop();
|
|
},
|
|
beginGroup: function CanvasGraphics_beginGroup(group) {
|
|
this.save();
|
|
var currentCtx = this.ctx;
|
|
if (!group.isolated) {
|
|
(0, _util.info)('TODO: Support non-isolated groups.');
|
|
}
|
|
if (group.knockout) {
|
|
(0, _util.warn)('Knockout groups not supported.');
|
|
}
|
|
var currentTransform = currentCtx.mozCurrentTransform;
|
|
if (group.matrix) {
|
|
currentCtx.transform.apply(currentCtx, group.matrix);
|
|
}
|
|
if (!group.bbox) {
|
|
throw new Error('Bounding box is required.');
|
|
}
|
|
var bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
|
|
var canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
|
|
bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
|
|
var offsetX = Math.floor(bounds[0]);
|
|
var offsetY = Math.floor(bounds[1]);
|
|
var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
|
|
var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
|
|
var 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;
|
|
}
|
|
var cacheId = 'groupAt' + this.groupLevel;
|
|
if (group.smask) {
|
|
cacheId += '_smask_' + this.smaskCounter++ % 2;
|
|
}
|
|
var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
|
|
var 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) {
|
|
this.groupLevel--;
|
|
var 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) {
|
|
var width = rect[2] - rect[0];
|
|
var 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();
|
|
},
|
|
paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {
|
|
var domImage = this.objs.get(objId);
|
|
if (!domImage) {
|
|
(0, _util.warn)('Dependent image isn\'t ready yet');
|
|
return;
|
|
}
|
|
this.save();
|
|
var ctx = this.ctx;
|
|
ctx.scale(1 / w, -1 / h);
|
|
ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h);
|
|
if (this.imageLayer) {
|
|
var currentTransform = ctx.mozCurrentTransformInverse;
|
|
var position = this.getCanvasPosition(0, 0);
|
|
this.imageLayer.appendImage({
|
|
objId,
|
|
left: position[0],
|
|
top: position[1],
|
|
width: w / currentTransform[0],
|
|
height: h / currentTransform[3]
|
|
});
|
|
}
|
|
this.restore();
|
|
},
|
|
paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
|
|
var ctx = this.ctx;
|
|
var width = img.width,
|
|
height = img.height;
|
|
var fillColor = this.current.fillColor;
|
|
var isPatternFill = this.current.patternFill;
|
|
var 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 && glyph.compiled) {
|
|
glyph.compiled(ctx);
|
|
return;
|
|
}
|
|
var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
|
|
var 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: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) {
|
|
var width = imgData.width;
|
|
var height = imgData.height;
|
|
var fillColor = this.current.fillColor;
|
|
var isPatternFill = this.current.patternFill;
|
|
var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
|
|
var 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();
|
|
var ctx = this.ctx;
|
|
for (var i = 0, ii = positions.length; i < ii; i += 2) {
|
|
ctx.save();
|
|
ctx.transform(scaleX, 0, 0, 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) {
|
|
var ctx = this.ctx;
|
|
var fillColor = this.current.fillColor;
|
|
var isPatternFill = this.current.patternFill;
|
|
for (var i = 0, ii = images.length; i < ii; i++) {
|
|
var image = images[i];
|
|
var width = image.width,
|
|
height = image.height;
|
|
var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
|
|
var 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) {
|
|
var imgData = 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) {
|
|
var imgData = this.objs.get(objId);
|
|
if (!imgData) {
|
|
(0, _util.warn)('Dependent image isn\'t ready yet');
|
|
return;
|
|
}
|
|
var width = imgData.width;
|
|
var height = imgData.height;
|
|
var map = [];
|
|
for (var 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) {
|
|
var width = imgData.width;
|
|
var height = imgData.height;
|
|
var ctx = this.ctx;
|
|
this.save();
|
|
ctx.scale(1 / width, -1 / height);
|
|
var currentTransform = ctx.mozCurrentTransformInverse;
|
|
var a = currentTransform[0],
|
|
b = currentTransform[1];
|
|
var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
|
|
var c = currentTransform[2],
|
|
d = currentTransform[3];
|
|
var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
|
|
var imgToPaint, tmpCanvas;
|
|
if (typeof HTMLElement === 'function' && imgData instanceof HTMLElement || !imgData.data) {
|
|
imgToPaint = imgData;
|
|
} else {
|
|
tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height);
|
|
var tmpCtx = tmpCanvas.context;
|
|
putBinaryImageData(tmpCtx, imgData);
|
|
imgToPaint = tmpCanvas.canvas;
|
|
}
|
|
var paintWidth = width,
|
|
paintHeight = height;
|
|
var tmpCanvasId = 'prescale1';
|
|
while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
|
|
var 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) {
|
|
var 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) {
|
|
var ctx = this.ctx;
|
|
var w = imgData.width;
|
|
var h = imgData.height;
|
|
var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h);
|
|
var tmpCtx = tmpCanvas.context;
|
|
putBinaryImageData(tmpCtx, imgData);
|
|
for (var i = 0, ii = map.length; i < ii; i++) {
|
|
var 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) {
|
|
var 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() {
|
|
this.ctx.fillRect(0, 0, 1, 1);
|
|
},
|
|
paintXObject: function CanvasGraphics_paintXObject() {
|
|
(0, _util.warn)('Unsupported \'paintXObject\' command.');
|
|
},
|
|
markPoint: function CanvasGraphics_markPoint(tag) {},
|
|
markPointProps: function CanvasGraphics_markPointProps(tag, properties) {},
|
|
beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {},
|
|
beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {},
|
|
endMarkedContent: function CanvasGraphics_endMarkedContent() {},
|
|
beginCompat: function CanvasGraphics_beginCompat() {},
|
|
endCompat: function CanvasGraphics_endCompat() {},
|
|
consumePath: function CanvasGraphics_consumePath() {
|
|
var ctx = this.ctx;
|
|
if (this.pendingClip) {
|
|
if (this.pendingClip === EO_CLIP) {
|
|
ctx.clip('evenodd');
|
|
} else {
|
|
ctx.clip();
|
|
}
|
|
this.pendingClip = null;
|
|
}
|
|
ctx.beginPath();
|
|
},
|
|
getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) {
|
|
if (this.cachedGetSinglePixelWidth === null) {
|
|
this.ctx.save();
|
|
var inverse = this.ctx.mozCurrentTransformInverse;
|
|
this.ctx.restore();
|
|
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) {
|
|
var transform = this.ctx.mozCurrentTransform;
|
|
return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]];
|
|
}
|
|
};
|
|
for (var op in _util.OPS) {
|
|
CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op];
|
|
}
|
|
return CanvasGraphics;
|
|
}();
|
|
exports.CanvasGraphics = CanvasGraphics;
|
|
|
|
/***/ }),
|
|
/* 12 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.TilingPattern = exports.getShadingPatternFromIR = undefined;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var ShadingIRs = {};
|
|
ShadingIRs.RadialAxial = {
|
|
fromIR: function RadialAxial_fromIR(raw) {
|
|
var type = raw[1];
|
|
var colorStops = raw[2];
|
|
var p0 = raw[3];
|
|
var p1 = raw[4];
|
|
var r0 = raw[5];
|
|
var r1 = raw[6];
|
|
return {
|
|
type: 'Pattern',
|
|
getPattern: function RadialAxial_getPattern(ctx) {
|
|
var 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 (var i = 0, ii = colorStops.length; i < ii; ++i) {
|
|
var c = colorStops[i];
|
|
grad.addColorStop(c[0], c[1]);
|
|
}
|
|
return grad;
|
|
}
|
|
};
|
|
}
|
|
};
|
|
var createMeshCanvas = function createMeshCanvasClosure() {
|
|
function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
|
|
var coords = context.coords,
|
|
colors = context.colors;
|
|
var bytes = data.data,
|
|
rowSize = data.width * 4;
|
|
var 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;
|
|
}
|
|
var x1 = (coords[p1] + context.offsetX) * context.scaleX;
|
|
var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
|
|
var x2 = (coords[p2] + context.offsetX) * context.scaleX;
|
|
var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
|
|
var x3 = (coords[p3] + context.offsetX) * context.scaleX;
|
|
var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
|
|
if (y1 >= y3) {
|
|
return;
|
|
}
|
|
var c1r = colors[c1],
|
|
c1g = colors[c1 + 1],
|
|
c1b = colors[c1 + 2];
|
|
var c2r = colors[c2],
|
|
c2g = colors[c2 + 1],
|
|
c2b = colors[c2 + 2];
|
|
var c3r = colors[c3],
|
|
c3g = colors[c3 + 1],
|
|
c3b = colors[c3 + 2];
|
|
var minY = Math.round(y1),
|
|
maxY = Math.round(y3);
|
|
var xa, car, cag, cab;
|
|
var xb, cbr, cbg, cbb;
|
|
var k;
|
|
for (var y = minY; y <= maxY; y++) {
|
|
if (y < y2) {
|
|
k = y < y1 ? 0 : y1 === y2 ? 1 : (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 {
|
|
k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3);
|
|
xa = x2 - (x2 - x3) * k;
|
|
car = c2r - (c2r - c3r) * k;
|
|
cag = c2g - (c2g - c3g) * k;
|
|
cab = c2b - (c2b - c3b) * k;
|
|
}
|
|
k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3);
|
|
xb = x1 - (x1 - x3) * k;
|
|
cbr = c1r - (c1r - c3r) * k;
|
|
cbg = c1g - (c1g - c3g) * k;
|
|
cbb = c1b - (c1b - c3b) * k;
|
|
var x1_ = Math.round(Math.min(xa, xb));
|
|
var x2_ = Math.round(Math.max(xa, xb));
|
|
var j = rowSize * y + x1_ * 4;
|
|
for (var x = x1_; x <= x2_; x++) {
|
|
k = (xa - x) / (xa - xb);
|
|
k = k < 0 ? 0 : k > 1 ? 1 : k;
|
|
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) {
|
|
var ps = figure.coords;
|
|
var cs = figure.colors;
|
|
var i, ii;
|
|
switch (figure.type) {
|
|
case 'lattice':
|
|
var verticesPerRow = figure.verticesPerRow;
|
|
var rows = Math.floor(ps.length / verticesPerRow) - 1;
|
|
var cols = verticesPerRow - 1;
|
|
for (i = 0; i < rows; i++) {
|
|
var q = i * verticesPerRow;
|
|
for (var 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) {
|
|
var EXPECTED_SCALE = 1.1;
|
|
var MAX_PATTERN_SIZE = 3000;
|
|
var BORDER_SIZE = 2;
|
|
var offsetX = Math.floor(bounds[0]);
|
|
var offsetY = Math.floor(bounds[1]);
|
|
var boundsWidth = Math.ceil(bounds[2]) - offsetX;
|
|
var boundsHeight = Math.ceil(bounds[3]) - offsetY;
|
|
var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
|
|
var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
|
|
var scaleX = boundsWidth / width;
|
|
var scaleY = boundsHeight / height;
|
|
var context = {
|
|
coords,
|
|
colors,
|
|
offsetX: -offsetX,
|
|
offsetY: -offsetY,
|
|
scaleX: 1 / scaleX,
|
|
scaleY: 1 / scaleY
|
|
};
|
|
var paddedWidth = width + BORDER_SIZE * 2;
|
|
var paddedHeight = height + BORDER_SIZE * 2;
|
|
var 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);
|
|
var tmpCtx = tmpCanvas.context;
|
|
var data = tmpCtx.createImageData(width, height);
|
|
if (backgroundColor) {
|
|
var 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) {
|
|
var coords = raw[2];
|
|
var colors = raw[3];
|
|
var figures = raw[4];
|
|
var bounds = raw[5];
|
|
var matrix = raw[6];
|
|
var background = raw[8];
|
|
return {
|
|
type: 'Pattern',
|
|
getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
|
|
var scale;
|
|
if (shadingFill) {
|
|
scale = _util.Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
|
|
} else {
|
|
scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform);
|
|
if (matrix) {
|
|
var matrixScale = _util.Util.singularValueDecompose2dScale(matrix);
|
|
scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
|
|
}
|
|
}
|
|
var 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 {
|
|
type: 'Pattern',
|
|
getPattern: function Dummy_fromIR_getPattern() {
|
|
return 'hotpink';
|
|
}
|
|
};
|
|
}
|
|
};
|
|
function getShadingPatternFromIR(raw) {
|
|
var shadingIR = ShadingIRs[raw[0]];
|
|
if (!shadingIR) {
|
|
throw new Error(`Unknown IR type: ${raw[0]}`);
|
|
}
|
|
return shadingIR.fromIR(raw);
|
|
}
|
|
var TilingPattern = function TilingPatternClosure() {
|
|
var PaintType = {
|
|
COLORED: 1,
|
|
UNCOLORED: 2
|
|
};
|
|
var 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.type = 'Pattern';
|
|
this.ctx = ctx;
|
|
}
|
|
TilingPattern.prototype = {
|
|
createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
|
|
var operatorList = this.operatorList;
|
|
var bbox = this.bbox;
|
|
var xstep = this.xstep;
|
|
var ystep = this.ystep;
|
|
var paintType = this.paintType;
|
|
var tilingType = this.tilingType;
|
|
var color = this.color;
|
|
var canvasGraphicsFactory = this.canvasGraphicsFactory;
|
|
(0, _util.info)('TilingType: ' + tilingType);
|
|
var x0 = bbox[0],
|
|
y0 = bbox[1],
|
|
x1 = bbox[2],
|
|
y1 = bbox[3];
|
|
var topLeft = [x0, y0];
|
|
var botRight = [x0 + xstep, y0 + ystep];
|
|
var width = botRight[0] - topLeft[0];
|
|
var height = botRight[1] - topLeft[1];
|
|
var matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
|
|
var curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
|
|
var combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
|
|
width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), MAX_PATTERN_SIZE);
|
|
height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), MAX_PATTERN_SIZE);
|
|
var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', width, height, true);
|
|
var tmpCtx = tmpCanvas.context;
|
|
var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
|
|
graphics.groupLevel = owner.groupLevel;
|
|
this.setFillAndStrokeStyleToContext(graphics, paintType, color);
|
|
this.setScale(width, height, xstep, ystep);
|
|
this.transformToScale(graphics);
|
|
var tmpTranslate = [1, 0, 0, 1, -topLeft[0], -topLeft[1]];
|
|
graphics.transform.apply(graphics, tmpTranslate);
|
|
this.clipBbox(graphics, bbox, x0, y0, x1, y1);
|
|
graphics.executeOperatorList(operatorList);
|
|
return tmpCanvas.canvas;
|
|
},
|
|
setScale: function TilingPattern_setScale(width, height, xstep, ystep) {
|
|
this.scale = [width / xstep, height / ystep];
|
|
},
|
|
transformToScale: function TilingPattern_transformToScale(graphics) {
|
|
var scale = this.scale;
|
|
var tmpScale = [scale[0], 0, 0, scale[1], 0, 0];
|
|
graphics.transform.apply(graphics, tmpScale);
|
|
},
|
|
scaleToContext: function TilingPattern_scaleToContext() {
|
|
var scale = this.scale;
|
|
this.ctx.scale(1 / scale[0], 1 / scale[1]);
|
|
},
|
|
clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
|
|
if (Array.isArray(bbox) && bbox.length === 4) {
|
|
var bboxWidth = x1 - x0;
|
|
var bboxHeight = y1 - y0;
|
|
graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
|
|
graphics.clip();
|
|
graphics.endPath();
|
|
}
|
|
},
|
|
setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(graphics, paintType, color) {
|
|
let context = graphics.ctx,
|
|
current = graphics.current;
|
|
switch (paintType) {
|
|
case PaintType.COLORED:
|
|
var ctx = this.ctx;
|
|
context.fillStyle = ctx.fillStyle;
|
|
context.strokeStyle = ctx.strokeStyle;
|
|
current.fillColor = ctx.fillStyle;
|
|
current.strokeColor = ctx.strokeStyle;
|
|
break;
|
|
case PaintType.UNCOLORED:
|
|
var cssColor = _util.Util.makeCssRgb(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) {
|
|
var temporaryPatternCanvas = this.createPatternCanvas(owner);
|
|
ctx = this.ctx;
|
|
ctx.setTransform.apply(ctx, this.baseTransform);
|
|
ctx.transform.apply(ctx, this.matrix);
|
|
this.scaleToContext();
|
|
return ctx.createPattern(temporaryPatternCanvas, 'repeat');
|
|
}
|
|
};
|
|
return TilingPattern;
|
|
}();
|
|
exports.getShadingPatternFromIR = getShadingPatternFromIR;
|
|
exports.TilingPattern = TilingPattern;
|
|
|
|
/***/ }),
|
|
/* 13 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
const GlobalWorkerOptions = Object.create(null);
|
|
GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort;
|
|
GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? '' : GlobalWorkerOptions.workerSrc;
|
|
exports.GlobalWorkerOptions = GlobalWorkerOptions;
|
|
|
|
/***/ }),
|
|
/* 14 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.MessageHandler = undefined;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
async function resolveCall(fn, args, thisArg = null) {
|
|
if (!fn) {
|
|
return;
|
|
}
|
|
return fn.apply(thisArg, args);
|
|
}
|
|
function wrapReason(reason) {
|
|
if (typeof reason !== 'object') {
|
|
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);
|
|
default:
|
|
return new _util.UnknownErrorException(reason.message, reason.details);
|
|
}
|
|
}
|
|
function makeReasonSerializable(reason) {
|
|
if (!(reason instanceof Error) || reason instanceof _util.AbortException || reason instanceof _util.MissingPDFException || reason instanceof _util.UnexpectedResponseException || reason instanceof _util.UnknownErrorException) {
|
|
return reason;
|
|
}
|
|
return new _util.UnknownErrorException(reason.message, reason.toString());
|
|
}
|
|
function resolveOrReject(capability, success, reason) {
|
|
if (success) {
|
|
capability.resolve();
|
|
} else {
|
|
capability.reject(reason);
|
|
}
|
|
}
|
|
function finalize(promise) {
|
|
return Promise.resolve(promise).catch(() => {});
|
|
}
|
|
function MessageHandler(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);
|
|
let callbacksCapabilities = this.callbacksCapabilities = Object.create(null);
|
|
let ah = this.actionHandler = Object.create(null);
|
|
this._onComObjOnMessage = event => {
|
|
let data = event.data;
|
|
if (data.targetName !== this.sourceName) {
|
|
return;
|
|
}
|
|
if (data.stream) {
|
|
this._processStreamMessage(data);
|
|
} else if (data.isReply) {
|
|
let callbackId = data.callbackId;
|
|
if (data.callbackId in callbacksCapabilities) {
|
|
let callback = callbacksCapabilities[callbackId];
|
|
delete callbacksCapabilities[callbackId];
|
|
if ('error' in data) {
|
|
callback.reject(wrapReason(data.error));
|
|
} else {
|
|
callback.resolve(data.data);
|
|
}
|
|
} else {
|
|
throw new Error(`Cannot resolve callback ${callbackId}`);
|
|
}
|
|
} else if (data.action in ah) {
|
|
let action = ah[data.action];
|
|
if (data.callbackId) {
|
|
let sourceName = this.sourceName;
|
|
let targetName = data.sourceName;
|
|
Promise.resolve().then(function () {
|
|
return action[0].call(action[1], data.data);
|
|
}).then(result => {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
isReply: true,
|
|
callbackId: data.callbackId,
|
|
data: result
|
|
});
|
|
}, reason => {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
isReply: true,
|
|
callbackId: data.callbackId,
|
|
error: makeReasonSerializable(reason)
|
|
});
|
|
});
|
|
} else if (data.streamId) {
|
|
this._createStreamSink(data);
|
|
} else {
|
|
action[0].call(action[1], data.data);
|
|
}
|
|
} else {
|
|
throw new Error(`Unknown action from worker: ${data.action}`);
|
|
}
|
|
};
|
|
comObj.addEventListener('message', this._onComObjOnMessage);
|
|
}
|
|
MessageHandler.prototype = {
|
|
on(actionName, handler, scope) {
|
|
var ah = this.actionHandler;
|
|
if (ah[actionName]) {
|
|
throw new Error(`There is already an actionName called "${actionName}"`);
|
|
}
|
|
ah[actionName] = [handler, scope];
|
|
},
|
|
send(actionName, data, transfers) {
|
|
var message = {
|
|
sourceName: this.sourceName,
|
|
targetName: this.targetName,
|
|
action: actionName,
|
|
data
|
|
};
|
|
this.postMessage(message, transfers);
|
|
},
|
|
sendWithPromise(actionName, data, transfers) {
|
|
var callbackId = this.callbackId++;
|
|
var message = {
|
|
sourceName: this.sourceName,
|
|
targetName: this.targetName,
|
|
action: actionName,
|
|
data,
|
|
callbackId
|
|
};
|
|
var capability = (0, _util.createPromiseCapability)();
|
|
this.callbacksCapabilities[callbackId] = capability;
|
|
try {
|
|
this.postMessage(message, transfers);
|
|
} catch (e) {
|
|
capability.reject(e);
|
|
}
|
|
return capability.promise;
|
|
},
|
|
sendWithStream(actionName, data, queueingStrategy, transfers) {
|
|
let streamId = this.streamId++;
|
|
let sourceName = this.sourceName;
|
|
let targetName = this.targetName;
|
|
return new _util.ReadableStream({
|
|
start: controller => {
|
|
let startCapability = (0, _util.createPromiseCapability)();
|
|
this.streamControllers[streamId] = {
|
|
controller,
|
|
startCall: startCapability,
|
|
isClosed: false
|
|
};
|
|
this.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
action: actionName,
|
|
streamId,
|
|
data,
|
|
desiredSize: controller.desiredSize
|
|
});
|
|
return startCapability.promise;
|
|
},
|
|
pull: controller => {
|
|
let pullCapability = (0, _util.createPromiseCapability)();
|
|
this.streamControllers[streamId].pullCall = pullCapability;
|
|
this.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: 'pull',
|
|
streamId,
|
|
desiredSize: controller.desiredSize
|
|
});
|
|
return pullCapability.promise;
|
|
},
|
|
cancel: reason => {
|
|
let cancelCapability = (0, _util.createPromiseCapability)();
|
|
this.streamControllers[streamId].cancelCall = cancelCapability;
|
|
this.streamControllers[streamId].isClosed = true;
|
|
this.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: 'cancel',
|
|
reason,
|
|
streamId
|
|
});
|
|
return cancelCapability.promise;
|
|
}
|
|
}, queueingStrategy);
|
|
},
|
|
_createStreamSink(data) {
|
|
let self = this;
|
|
let action = this.actionHandler[data.action];
|
|
let streamId = data.streamId;
|
|
let desiredSize = data.desiredSize;
|
|
let sourceName = this.sourceName;
|
|
let targetName = data.sourceName;
|
|
let capability = (0, _util.createPromiseCapability)();
|
|
let sendStreamRequest = ({ stream, chunk, transfers, success, reason }) => {
|
|
this.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream,
|
|
streamId,
|
|
chunk,
|
|
success,
|
|
reason
|
|
}, transfers);
|
|
};
|
|
let streamSink = {
|
|
enqueue(chunk, size = 1, transfers) {
|
|
if (this.isCancelled) {
|
|
return;
|
|
}
|
|
let lastDesiredSize = this.desiredSize;
|
|
this.desiredSize -= size;
|
|
if (lastDesiredSize > 0 && this.desiredSize <= 0) {
|
|
this.sinkCapability = (0, _util.createPromiseCapability)();
|
|
this.ready = this.sinkCapability.promise;
|
|
}
|
|
sendStreamRequest({
|
|
stream: 'enqueue',
|
|
chunk,
|
|
transfers
|
|
});
|
|
},
|
|
close() {
|
|
if (this.isCancelled) {
|
|
return;
|
|
}
|
|
this.isCancelled = true;
|
|
sendStreamRequest({ stream: 'close' });
|
|
delete self.streamSinks[streamId];
|
|
},
|
|
error(reason) {
|
|
if (this.isCancelled) {
|
|
return;
|
|
}
|
|
this.isCancelled = true;
|
|
sendStreamRequest({
|
|
stream: 'error',
|
|
reason
|
|
});
|
|
},
|
|
sinkCapability: capability,
|
|
onPull: null,
|
|
onCancel: null,
|
|
isCancelled: false,
|
|
desiredSize,
|
|
ready: null
|
|
};
|
|
streamSink.sinkCapability.resolve();
|
|
streamSink.ready = streamSink.sinkCapability.promise;
|
|
this.streamSinks[streamId] = streamSink;
|
|
resolveCall(action[0], [data.data, streamSink], action[1]).then(() => {
|
|
sendStreamRequest({
|
|
stream: 'start_complete',
|
|
success: true
|
|
});
|
|
}, reason => {
|
|
sendStreamRequest({
|
|
stream: 'start_complete',
|
|
success: false,
|
|
reason
|
|
});
|
|
});
|
|
},
|
|
_processStreamMessage(data) {
|
|
let sourceName = this.sourceName;
|
|
let targetName = data.sourceName;
|
|
let streamId = data.streamId;
|
|
let sendStreamResponse = ({ stream, success, reason }) => {
|
|
this.comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream,
|
|
success,
|
|
streamId,
|
|
reason
|
|
});
|
|
};
|
|
let deleteStreamController = () => {
|
|
Promise.all([this.streamControllers[data.streamId].startCall, this.streamControllers[data.streamId].pullCall, this.streamControllers[data.streamId].cancelCall].map(function (capability) {
|
|
return capability && finalize(capability.promise);
|
|
})).then(() => {
|
|
delete this.streamControllers[data.streamId];
|
|
});
|
|
};
|
|
switch (data.stream) {
|
|
case 'start_complete':
|
|
resolveOrReject(this.streamControllers[data.streamId].startCall, data.success, wrapReason(data.reason));
|
|
break;
|
|
case 'pull_complete':
|
|
resolveOrReject(this.streamControllers[data.streamId].pullCall, data.success, wrapReason(data.reason));
|
|
break;
|
|
case 'pull':
|
|
if (!this.streamSinks[data.streamId]) {
|
|
sendStreamResponse({
|
|
stream: 'pull_complete',
|
|
success: true
|
|
});
|
|
break;
|
|
}
|
|
if (this.streamSinks[data.streamId].desiredSize <= 0 && data.desiredSize > 0) {
|
|
this.streamSinks[data.streamId].sinkCapability.resolve();
|
|
}
|
|
this.streamSinks[data.streamId].desiredSize = data.desiredSize;
|
|
resolveCall(this.streamSinks[data.streamId].onPull).then(() => {
|
|
sendStreamResponse({
|
|
stream: 'pull_complete',
|
|
success: true
|
|
});
|
|
}, reason => {
|
|
sendStreamResponse({
|
|
stream: 'pull_complete',
|
|
success: false,
|
|
reason
|
|
});
|
|
});
|
|
break;
|
|
case 'enqueue':
|
|
(0, _util.assert)(this.streamControllers[data.streamId], 'enqueue should have stream controller');
|
|
if (!this.streamControllers[data.streamId].isClosed) {
|
|
this.streamControllers[data.streamId].controller.enqueue(data.chunk);
|
|
}
|
|
break;
|
|
case 'close':
|
|
(0, _util.assert)(this.streamControllers[data.streamId], 'close should have stream controller');
|
|
if (this.streamControllers[data.streamId].isClosed) {
|
|
break;
|
|
}
|
|
this.streamControllers[data.streamId].isClosed = true;
|
|
this.streamControllers[data.streamId].controller.close();
|
|
deleteStreamController();
|
|
break;
|
|
case 'error':
|
|
(0, _util.assert)(this.streamControllers[data.streamId], 'error should have stream controller');
|
|
this.streamControllers[data.streamId].controller.error(wrapReason(data.reason));
|
|
deleteStreamController();
|
|
break;
|
|
case 'cancel_complete':
|
|
resolveOrReject(this.streamControllers[data.streamId].cancelCall, data.success, wrapReason(data.reason));
|
|
deleteStreamController();
|
|
break;
|
|
case 'cancel':
|
|
if (!this.streamSinks[data.streamId]) {
|
|
break;
|
|
}
|
|
resolveCall(this.streamSinks[data.streamId].onCancel, [wrapReason(data.reason)]).then(() => {
|
|
sendStreamResponse({
|
|
stream: 'cancel_complete',
|
|
success: true
|
|
});
|
|
}, reason => {
|
|
sendStreamResponse({
|
|
stream: 'cancel_complete',
|
|
success: false,
|
|
reason
|
|
});
|
|
});
|
|
this.streamSinks[data.streamId].sinkCapability.reject(wrapReason(data.reason));
|
|
this.streamSinks[data.streamId].isCancelled = true;
|
|
delete this.streamSinks[data.streamId];
|
|
break;
|
|
default:
|
|
throw new Error('Unexpected stream case');
|
|
}
|
|
},
|
|
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;
|
|
|
|
/***/ }),
|
|
/* 15 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.Metadata = undefined;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _xml_parser = __w_pdfjs_require__(16);
|
|
|
|
class Metadata {
|
|
constructor(data) {
|
|
(0, _util.assert)(typeof data === 'string', 'Metadata: input is not a string');
|
|
data = this._repair(data);
|
|
let parser = new _xml_parser.SimpleXMLParser();
|
|
const xmlDocument = parser.parseFromString(data);
|
|
this._metadata = Object.create(null);
|
|
if (xmlDocument) {
|
|
this._parse(xmlDocument);
|
|
}
|
|
}
|
|
_repair(data) {
|
|
return data.replace(/>\\376\\377([^<]+)/g, function (all, codes) {
|
|
let 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) {
|
|
let 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;
|
|
}
|
|
}
|
|
let nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
|
|
if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
|
|
return;
|
|
}
|
|
let children = rdf.childNodes;
|
|
for (let i = 0, ii = children.length; i < ii; i++) {
|
|
let 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') {
|
|
let entry = desc.childNodes[j];
|
|
let name = entry.nodeName.toLowerCase();
|
|
this._metadata[name] = entry.textContent.trim();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
get(name) {
|
|
return this._metadata[name] || null;
|
|
}
|
|
getAll() {
|
|
return this._metadata;
|
|
}
|
|
has(name) {
|
|
return typeof this._metadata[name] !== 'undefined';
|
|
}
|
|
}
|
|
exports.Metadata = Metadata;
|
|
|
|
/***/ }),
|
|
/* 16 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
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, function (all, entity) {
|
|
if (entity.substring(0, 2) === '#x') {
|
|
return String.fromCharCode(parseInt(entity.substring(2), 16));
|
|
} else if (entity.substring(0, 1) === '#') {
|
|
return String.fromCharCode(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) {
|
|
let pos = start,
|
|
name,
|
|
attributes = [];
|
|
function skipWs() {
|
|
while (pos < s.length && isWhitespace(s, pos)) {
|
|
++pos;
|
|
}
|
|
}
|
|
while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== '>' && s[pos] !== '/') {
|
|
++pos;
|
|
}
|
|
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,
|
|
name,
|
|
value;
|
|
function skipWs() {
|
|
while (pos < s.length && isWhitespace(s, pos)) {
|
|
++pos;
|
|
}
|
|
}
|
|
while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== '>' && s[pos] !== '/') {
|
|
++pos;
|
|
}
|
|
name = s.substring(start, pos);
|
|
skipWs();
|
|
const attrStart = pos;
|
|
while (pos < s.length && (s[pos] !== '?' || s[pos + 1] !== '>')) {
|
|
++pos;
|
|
}
|
|
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[0];
|
|
}
|
|
get nextSibling() {
|
|
let index = this.parentNode.childNodes.indexOf(this);
|
|
return this.parentNode.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;
|
|
}
|
|
}
|
|
class SimpleXMLParser extends XMLParserBase {
|
|
constructor() {
|
|
super();
|
|
this._currentFragment = null;
|
|
this._stack = null;
|
|
this._errorCode = XMLParserErrorCode.NoError;
|
|
}
|
|
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 = [];
|
|
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];
|
|
for (let i = 0, ii = lastElement.childNodes.length; i < ii; i++) {
|
|
lastElement.childNodes[i].parentNode = lastElement;
|
|
}
|
|
}
|
|
onError(code) {
|
|
this._errorCode = code;
|
|
}
|
|
}
|
|
exports.SimpleXMLParser = SimpleXMLParser;
|
|
|
|
/***/ }),
|
|
/* 17 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.PDFDataTransportStream = undefined;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var PDFDataTransportStream = function PDFDataTransportStreamClosure() {
|
|
function PDFDataTransportStream(params, pdfDataRangeTransport) {
|
|
(0, _util.assert)(pdfDataRangeTransport);
|
|
this._queuedChunks = [];
|
|
var initialData = params.initialData;
|
|
if (initialData && initialData.length > 0) {
|
|
let 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 => {
|
|
this._onProgress({ loaded });
|
|
});
|
|
this._pdfDataRangeTransport.addProgressiveReadListener(chunk => {
|
|
this._onReceiveData({ chunk });
|
|
});
|
|
this._pdfDataRangeTransport.transportReady();
|
|
}
|
|
PDFDataTransportStream.prototype = {
|
|
_onReceiveData: function PDFDataTransportStream_onReceiveData(args) {
|
|
let buffer = new Uint8Array(args.chunk).buffer;
|
|
if (args.begin === undefined) {
|
|
if (this._fullRequestReader) {
|
|
this._fullRequestReader._enqueue(buffer);
|
|
} else {
|
|
this._queuedChunks.push(buffer);
|
|
}
|
|
} else {
|
|
var found = this._rangeReaders.some(function (rangeReader) {
|
|
if (rangeReader._begin !== args.begin) {
|
|
return false;
|
|
}
|
|
rangeReader._enqueue(buffer);
|
|
return true;
|
|
});
|
|
(0, _util.assert)(found);
|
|
}
|
|
},
|
|
_onProgress: function PDFDataTransportStream_onDataProgress(evt) {
|
|
if (this._rangeReaders.length > 0) {
|
|
var firstReader = this._rangeReaders[0];
|
|
if (firstReader.onProgress) {
|
|
firstReader.onProgress({ loaded: evt.loaded });
|
|
}
|
|
}
|
|
},
|
|
_removeRangeReader: function PDFDataTransportStream_removeRangeReader(reader) {
|
|
var i = this._rangeReaders.indexOf(reader);
|
|
if (i >= 0) {
|
|
this._rangeReaders.splice(i, 1);
|
|
}
|
|
},
|
|
getFullReader: function PDFDataTransportStream_getFullReader() {
|
|
(0, _util.assert)(!this._fullRequestReader);
|
|
var queuedChunks = this._queuedChunks;
|
|
this._queuedChunks = null;
|
|
return new PDFDataTransportStreamReader(this, queuedChunks);
|
|
},
|
|
getRangeReader: function PDFDataTransportStream_getRangeReader(begin, end) {
|
|
var reader = new PDFDataTransportStreamRangeReader(this, begin, end);
|
|
this._pdfDataRangeTransport.requestDataRange(begin, end);
|
|
this._rangeReaders.push(reader);
|
|
return reader;
|
|
},
|
|
cancelAllRequests: function PDFDataTransportStream_cancelAllRequests(reason) {
|
|
if (this._fullRequestReader) {
|
|
this._fullRequestReader.cancel(reason);
|
|
}
|
|
var readers = this._rangeReaders.slice(0);
|
|
readers.forEach(function (rangeReader) {
|
|
rangeReader.cancel(reason);
|
|
});
|
|
this._pdfDataRangeTransport.abort();
|
|
}
|
|
};
|
|
function PDFDataTransportStreamReader(stream, queuedChunks) {
|
|
this._stream = stream;
|
|
this._done = false;
|
|
this._filename = null;
|
|
this._queuedChunks = queuedChunks || [];
|
|
this._requests = [];
|
|
this._headersReady = Promise.resolve();
|
|
stream._fullRequestReader = this;
|
|
this.onProgress = null;
|
|
}
|
|
PDFDataTransportStreamReader.prototype = {
|
|
_enqueue: function PDFDataTransportStreamReader_enqueue(chunk) {
|
|
if (this._done) {
|
|
return;
|
|
}
|
|
if (this._requests.length > 0) {
|
|
var requestCapability = this._requests.shift();
|
|
requestCapability.resolve({
|
|
value: chunk,
|
|
done: false
|
|
});
|
|
return;
|
|
}
|
|
this._queuedChunks.push(chunk);
|
|
},
|
|
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) {
|
|
var chunk = this._queuedChunks.shift();
|
|
return {
|
|
value: chunk,
|
|
done: false
|
|
};
|
|
}
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
var requestCapability = (0, _util.createPromiseCapability)();
|
|
this._requests.push(requestCapability);
|
|
return requestCapability.promise;
|
|
},
|
|
cancel: function PDFDataTransportStreamReader_cancel(reason) {
|
|
this._done = true;
|
|
this._requests.forEach(function (requestCapability) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
});
|
|
this._requests = [];
|
|
}
|
|
};
|
|
function PDFDataTransportStreamRangeReader(stream, begin, end) {
|
|
this._stream = stream;
|
|
this._begin = begin;
|
|
this._end = end;
|
|
this._queuedChunk = null;
|
|
this._requests = [];
|
|
this._done = false;
|
|
this.onProgress = null;
|
|
}
|
|
PDFDataTransportStreamRangeReader.prototype = {
|
|
_enqueue: function PDFDataTransportStreamRangeReader_enqueue(chunk) {
|
|
if (this._done) {
|
|
return;
|
|
}
|
|
if (this._requests.length === 0) {
|
|
this._queuedChunk = chunk;
|
|
} else {
|
|
var 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) {
|
|
let chunk = this._queuedChunk;
|
|
this._queuedChunk = null;
|
|
return {
|
|
value: chunk,
|
|
done: false
|
|
};
|
|
}
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
var requestCapability = (0, _util.createPromiseCapability)();
|
|
this._requests.push(requestCapability);
|
|
return requestCapability.promise;
|
|
},
|
|
cancel: function PDFDataTransportStreamRangeReader_cancel(reason) {
|
|
this._done = true;
|
|
this._requests.forEach(function (requestCapability) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
});
|
|
this._requests = [];
|
|
this._stream._removeRangeReader(this);
|
|
}
|
|
};
|
|
return PDFDataTransportStream;
|
|
}();
|
|
exports.PDFDataTransportStream = PDFDataTransportStream;
|
|
|
|
/***/ }),
|
|
/* 18 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.WebGLContext = undefined;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
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();
|
|
}
|
|
}
|
|
var WebGLUtils = function WebGLUtilsClosure() {
|
|
function loadShader(gl, code, shaderType) {
|
|
var shader = gl.createShader(shaderType);
|
|
gl.shaderSource(shader, code);
|
|
gl.compileShader(shader);
|
|
var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
|
|
if (!compiled) {
|
|
var 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) {
|
|
var program = gl.createProgram();
|
|
for (var i = 0, ii = shaders.length; i < ii; ++i) {
|
|
gl.attachShader(program, shaders[i]);
|
|
}
|
|
gl.linkProgram(program);
|
|
var linked = gl.getProgramParameter(program, gl.LINK_STATUS);
|
|
if (!linked) {
|
|
var errorMsg = gl.getProgramInfoLog(program);
|
|
throw new Error('Error during program linking: ' + errorMsg);
|
|
}
|
|
return program;
|
|
}
|
|
function createTexture(gl, image, textureId) {
|
|
gl.activeTexture(textureId);
|
|
var 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;
|
|
}
|
|
var currentGL, currentCanvas;
|
|
function generateGL() {
|
|
if (currentGL) {
|
|
return;
|
|
}
|
|
currentCanvas = document.createElement('canvas');
|
|
currentGL = currentCanvas.getContext('webgl', { premultipliedalpha: false });
|
|
}
|
|
var 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; \
|
|
} ';
|
|
var 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; \
|
|
} ';
|
|
var smaskCache = null;
|
|
function initSmaskGL() {
|
|
var canvas, gl;
|
|
generateGL();
|
|
canvas = currentCanvas;
|
|
currentCanvas = null;
|
|
gl = currentGL;
|
|
currentGL = null;
|
|
var vertexShader = createVertexShader(gl, smaskVertexShaderCode);
|
|
var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);
|
|
var program = createProgram(gl, [vertexShader, fragmentShader]);
|
|
gl.useProgram(program);
|
|
var 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');
|
|
var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord');
|
|
var texLayerLocation = gl.getUniformLocation(program, 'u_image');
|
|
var texMaskLocation = gl.getUniformLocation(program, 'u_mask');
|
|
var 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) {
|
|
var width = layer.width,
|
|
height = layer.height;
|
|
if (!smaskCache) {
|
|
initSmaskGL();
|
|
}
|
|
var 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);
|
|
var texture = createTexture(gl, layer, gl.TEXTURE0);
|
|
var maskTexture = createTexture(gl, mask, gl.TEXTURE1);
|
|
var 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;
|
|
}
|
|
var 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); \
|
|
} ';
|
|
var figuresFragmentShaderCode = '\
|
|
precision mediump float; \
|
|
\
|
|
varying vec4 v_color; \
|
|
\
|
|
void main() { \
|
|
gl_FragColor = v_color; \
|
|
} ';
|
|
var figuresCache = null;
|
|
function initFiguresGL() {
|
|
var canvas, gl;
|
|
generateGL();
|
|
canvas = currentCanvas;
|
|
currentCanvas = null;
|
|
gl = currentGL;
|
|
currentGL = null;
|
|
var vertexShader = createVertexShader(gl, figuresVertexShaderCode);
|
|
var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);
|
|
var program = createProgram(gl, [vertexShader, fragmentShader]);
|
|
gl.useProgram(program);
|
|
var 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();
|
|
}
|
|
var 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);
|
|
var count = 0;
|
|
var i, ii, rows;
|
|
for (i = 0, ii = figures.length; i < ii; i++) {
|
|
switch (figures[i].type) {
|
|
case 'lattice':
|
|
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;
|
|
}
|
|
}
|
|
var coords = new Float32Array(count * 2);
|
|
var colors = new Uint8Array(count * 3);
|
|
var coordsMap = context.coords,
|
|
colorsMap = context.colors;
|
|
var pIndex = 0,
|
|
cIndex = 0;
|
|
for (i = 0, ii = figures.length; i < ii; i++) {
|
|
var figure = figures[i],
|
|
ps = figure.coords,
|
|
cs = figure.colors;
|
|
switch (figure.type) {
|
|
case 'lattice':
|
|
var cols = figure.verticesPerRow;
|
|
rows = ps.length / cols | 0;
|
|
for (var row = 1; row < rows; row++) {
|
|
var offset = row * cols + 1;
|
|
for (var 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 (var 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);
|
|
var 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);
|
|
var 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 && smaskCache.canvas) {
|
|
smaskCache.canvas.width = 0;
|
|
smaskCache.canvas.height = 0;
|
|
}
|
|
if (figuresCache && figuresCache.canvas) {
|
|
figuresCache.canvas.width = 0;
|
|
figuresCache.canvas.height = 0;
|
|
}
|
|
smaskCache = null;
|
|
figuresCache = null;
|
|
}
|
|
};
|
|
}();
|
|
exports.WebGLContext = WebGLContext;
|
|
|
|
/***/ }),
|
|
/* 19 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.renderTextLayer = undefined;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _global_scope = __w_pdfjs_require__(3);
|
|
|
|
var _global_scope2 = _interopRequireDefault(_global_scope);
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
|
|
var renderTextLayer = function renderTextLayerClosure() {
|
|
var MAX_TEXT_DIVS_TO_RENDER = 100000;
|
|
var NonWhitespaceRegexp = /\S/;
|
|
function isAllWhitespace(str) {
|
|
return !NonWhitespaceRegexp.test(str);
|
|
}
|
|
var styleBuf = ['left: ', 0, 'px; top: ', 0, 'px; font-size: ', 0, 'px; font-family: ', '', ';'];
|
|
function appendText(task, geom, styles) {
|
|
var textDiv = document.createElement('div');
|
|
var textDivProperties = {
|
|
style: null,
|
|
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;
|
|
}
|
|
var tx = _util.Util.transform(task._viewport.transform, geom.transform);
|
|
var angle = Math.atan2(tx[1], tx[0]);
|
|
var style = styles[geom.fontName];
|
|
if (style.vertical) {
|
|
angle += Math.PI / 2;
|
|
}
|
|
var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
|
|
var fontAscent = fontHeight;
|
|
if (style.ascent) {
|
|
fontAscent = style.ascent * fontAscent;
|
|
} else if (style.descent) {
|
|
fontAscent = (1 + style.descent) * fontAscent;
|
|
}
|
|
var left;
|
|
var 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);
|
|
}
|
|
styleBuf[1] = left;
|
|
styleBuf[3] = top;
|
|
styleBuf[5] = fontHeight;
|
|
styleBuf[7] = style.fontFamily;
|
|
textDivProperties.style = styleBuf.join('');
|
|
textDiv.setAttribute('style', textDivProperties.style);
|
|
textDiv.textContent = geom.str;
|
|
if (task._fontInspectorEnabled) {
|
|
textDiv.dataset.fontName = geom.fontName;
|
|
}
|
|
if (angle !== 0) {
|
|
textDivProperties.angle = angle * (180 / Math.PI);
|
|
}
|
|
if (geom.str.length > 1) {
|
|
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) {
|
|
var angleCos = 1,
|
|
angleSin = 0;
|
|
if (angle !== 0) {
|
|
angleCos = Math.cos(angle);
|
|
angleSin = Math.sin(angle);
|
|
}
|
|
var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
|
|
var divHeight = fontHeight;
|
|
var 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;
|
|
}
|
|
var textDivs = task._textDivs;
|
|
var capability = task._capability;
|
|
var textDivsLength = textDivs.length;
|
|
if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
|
|
task._renderingDone = true;
|
|
capability.resolve();
|
|
return;
|
|
}
|
|
if (!task._textContentStream) {
|
|
for (var i = 0; i < textDivsLength; i++) {
|
|
task._layoutText(textDivs[i]);
|
|
}
|
|
}
|
|
task._renderingDone = true;
|
|
capability.resolve();
|
|
}
|
|
function expand(task) {
|
|
var bounds = task._bounds;
|
|
var viewport = task._viewport;
|
|
var expanded = expandBounds(viewport.width, viewport.height, bounds);
|
|
for (var i = 0; i < expanded.length; i++) {
|
|
var div = bounds[i].div;
|
|
var 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;
|
|
}
|
|
var e = expanded[i],
|
|
b = bounds[i];
|
|
var m = b.m,
|
|
c = m[0],
|
|
s = m[1];
|
|
var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];
|
|
var ts = new Float64Array(64);
|
|
points.forEach(function (p, i) {
|
|
var t = _util.Util.applyTransform(p, m);
|
|
ts[i + 0] = c && (e.left - t[0]) / c;
|
|
ts[i + 4] = s && (e.top - t[1]) / s;
|
|
ts[i + 8] = c && (e.right - t[0]) / c;
|
|
ts[i + 12] = s && (e.bottom - t[1]) / s;
|
|
ts[i + 16] = s && (e.left - t[0]) / -s;
|
|
ts[i + 20] = c && (e.top - t[1]) / c;
|
|
ts[i + 24] = s && (e.right - t[0]) / -s;
|
|
ts[i + 28] = c && (e.bottom - t[1]) / c;
|
|
ts[i + 32] = c && (e.left - t[0]) / -c;
|
|
ts[i + 36] = s && (e.top - t[1]) / -s;
|
|
ts[i + 40] = c && (e.right - t[0]) / -c;
|
|
ts[i + 44] = s && (e.bottom - t[1]) / -s;
|
|
ts[i + 48] = s && (e.left - t[0]) / s;
|
|
ts[i + 52] = c && (e.top - t[1]) / -c;
|
|
ts[i + 56] = s && (e.right - t[0]) / s;
|
|
ts[i + 60] = c && (e.bottom - t[1]) / -c;
|
|
});
|
|
var findPositiveMin = function (ts, offset, count) {
|
|
var result = 0;
|
|
for (var i = 0; i < count; i++) {
|
|
var t = ts[offset++];
|
|
if (t > 0) {
|
|
result = result ? Math.min(t, result) : t;
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
var 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) {
|
|
var 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);
|
|
var expanded = new Array(boxes.length);
|
|
bounds.forEach(function (b) {
|
|
var i = b.index;
|
|
expanded[i] = {
|
|
left: b.x1New,
|
|
top: 0,
|
|
right: b.x2New,
|
|
bottom: 0
|
|
};
|
|
});
|
|
boxes.map(function (box, i) {
|
|
var 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) {
|
|
var 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;
|
|
});
|
|
var fakeBoundary = {
|
|
x1: -Infinity,
|
|
y1: -Infinity,
|
|
x2: 0,
|
|
y2: Infinity,
|
|
index: -1,
|
|
x1New: 0,
|
|
x2New: 0
|
|
};
|
|
var horizon = [{
|
|
start: -Infinity,
|
|
end: Infinity,
|
|
boundary: fakeBoundary
|
|
}];
|
|
bounds.forEach(function (boundary) {
|
|
var i = 0;
|
|
while (i < horizon.length && horizon[i].end <= boundary.y1) {
|
|
i++;
|
|
}
|
|
var j = horizon.length - 1;
|
|
while (j >= 0 && horizon[j].start >= boundary.y2) {
|
|
j--;
|
|
}
|
|
var horizonPart, affectedBoundary;
|
|
var q,
|
|
k,
|
|
maxXNew = -Infinity;
|
|
for (q = i; q <= j; q++) {
|
|
horizonPart = horizon[q];
|
|
affectedBoundary = horizonPart.boundary;
|
|
var 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);
|
|
}
|
|
}
|
|
var changedHorizon = [],
|
|
lastBoundary = null;
|
|
for (q = i; q <= j; q++) {
|
|
horizonPart = horizon[q];
|
|
affectedBoundary = horizonPart.boundary;
|
|
var 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;
|
|
}
|
|
var 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) {
|
|
var 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._viewport = viewport;
|
|
this._textDivs = textDivs || [];
|
|
this._textContentItemsStr = textContentItemsStr || [];
|
|
this._enhanceTextSelection = !!enhanceTextSelection;
|
|
this._fontInspectorEnabled = !!(_global_scope2.default.FontInspector && _global_scope2.default.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 = [];
|
|
}
|
|
TextLayerRenderTask.prototype = {
|
|
get promise() {
|
|
return this._capability.promise;
|
|
},
|
|
cancel: function TextLayer_cancel() {
|
|
if (this._reader) {
|
|
this._reader.cancel(new _util.AbortException('text layer task cancelled'));
|
|
this._reader = null;
|
|
}
|
|
this._canceled = true;
|
|
if (this._renderTimer !== null) {
|
|
clearTimeout(this._renderTimer);
|
|
this._renderTimer = null;
|
|
}
|
|
this._capability.reject('canceled');
|
|
},
|
|
_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) {
|
|
let textLayerFrag = this._container;
|
|
let textDivProperties = this._textDivProperties.get(textDiv);
|
|
if (textDivProperties.isWhitespace) {
|
|
return;
|
|
}
|
|
let fontSize = textDiv.style.fontSize;
|
|
let fontFamily = textDiv.style.fontFamily;
|
|
if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) {
|
|
this._layoutTextCtx.font = fontSize + ' ' + fontFamily;
|
|
this._lastFontSize = fontSize;
|
|
this._lastFontFamily = fontFamily;
|
|
}
|
|
let width = this._layoutTextCtx.measureText(textDiv.textContent).width;
|
|
let transform = '';
|
|
if (textDivProperties.canvasWidth !== 0 && width > 0) {
|
|
textDivProperties.scale = textDivProperties.canvasWidth / width;
|
|
transform = 'scaleX(' + textDivProperties.scale + ')';
|
|
}
|
|
if (textDivProperties.angle !== 0) {
|
|
transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform;
|
|
}
|
|
if (transform !== '') {
|
|
textDivProperties.originalTransform = transform;
|
|
textDiv.style.transform = transform;
|
|
}
|
|
this._textDivProperties.set(textDiv, textDivProperties);
|
|
textLayerFrag.appendChild(textDiv);
|
|
},
|
|
_render: function TextLayer_render(timeout) {
|
|
let capability = (0, _util.createPromiseCapability)();
|
|
let styleCache = Object.create(null);
|
|
let canvas = document.createElement('canvas');
|
|
canvas.mozOpaque = true;
|
|
this._layoutTextCtx = canvas.getContext('2d', { alpha: false });
|
|
if (this._textContent) {
|
|
let textItems = this._textContent.items;
|
|
let textStyles = this._textContent.styles;
|
|
this._processItems(textItems, textStyles);
|
|
capability.resolve();
|
|
} else if (this._textContentStream) {
|
|
let 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;
|
|
}
|
|
for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
|
|
var div = this._textDivs[i];
|
|
var divProperties = this._textDivProperties.get(div);
|
|
if (divProperties.isWhitespace) {
|
|
continue;
|
|
}
|
|
if (expandDivs) {
|
|
var transform = '',
|
|
padding = '';
|
|
if (divProperties.scale !== 1) {
|
|
transform = 'scaleX(' + divProperties.scale + ')';
|
|
}
|
|
if (divProperties.angle !== 0) {
|
|
transform = 'rotate(' + divProperties.angle + 'deg) ' + transform;
|
|
}
|
|
if (divProperties.paddingLeft !== 0) {
|
|
padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;';
|
|
transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)';
|
|
}
|
|
if (divProperties.paddingTop !== 0) {
|
|
padding += ' padding-top: ' + divProperties.paddingTop + 'px;';
|
|
transform += ' translateY(' + -divProperties.paddingTop + 'px)';
|
|
}
|
|
if (divProperties.paddingRight !== 0) {
|
|
padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;';
|
|
}
|
|
if (divProperties.paddingBottom !== 0) {
|
|
padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;';
|
|
}
|
|
if (padding !== '') {
|
|
div.setAttribute('style', divProperties.style + padding);
|
|
}
|
|
if (transform !== '') {
|
|
div.style.transform = transform;
|
|
}
|
|
} else {
|
|
div.style.padding = 0;
|
|
div.style.transform = divProperties.originalTransform || '';
|
|
}
|
|
}
|
|
}
|
|
};
|
|
function renderTextLayer(renderParameters) {
|
|
var 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;
|
|
|
|
/***/ }),
|
|
/* 20 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.AnnotationLayer = undefined;
|
|
|
|
var _dom_utils = __w_pdfjs_require__(8);
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
class AnnotationElementFactory {
|
|
static create(parameters) {
|
|
let 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:
|
|
let 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.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.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) {
|
|
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;
|
|
if (isRenderable) {
|
|
this.container = this._createContainer(ignoreBorder);
|
|
}
|
|
}
|
|
_createContainer(ignoreBorder = false) {
|
|
let data = this.data,
|
|
page = this.page,
|
|
viewport = this.viewport;
|
|
let 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);
|
|
let 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;
|
|
}
|
|
let horizontalRadius = data.borderStyle.horizontalCornerRadius;
|
|
let verticalRadius = data.borderStyle.verticalCornerRadius;
|
|
if (horizontalRadius > 0 || verticalRadius > 0) {
|
|
let 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.makeCssRgb(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;
|
|
}
|
|
_createPopup(container, trigger, data) {
|
|
if (!trigger) {
|
|
trigger = document.createElement('div');
|
|
trigger.style.height = container.style.height;
|
|
trigger.style.width = container.style.width;
|
|
container.appendChild(trigger);
|
|
}
|
|
let popupElement = new PopupElement({
|
|
container,
|
|
trigger,
|
|
color: data.color,
|
|
title: data.title,
|
|
contents: data.contents,
|
|
hideWrapper: true
|
|
});
|
|
let popup = popupElement.render();
|
|
popup.style.left = container.style.width;
|
|
container.appendChild(popup);
|
|
}
|
|
render() {
|
|
(0, _util.unreachable)('Abstract method `AnnotationElement.render` called');
|
|
}
|
|
}
|
|
class LinkAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
let isRenderable = !!(parameters.data.url || parameters.data.dest || parameters.data.action);
|
|
super(parameters, isRenderable);
|
|
}
|
|
render() {
|
|
this.container.className = 'linkAnnotation';
|
|
let { data, linkService } = this;
|
|
let link = document.createElement('a');
|
|
(0, _dom_utils.addLinkAttributes)(link, {
|
|
url: data.url,
|
|
target: data.newWindow ? _dom_utils.LinkTarget.BLANK : linkService.externalLinkTarget,
|
|
rel: linkService.externalLinkRel
|
|
});
|
|
if (!data.url) {
|
|
if (data.action) {
|
|
this._bindNamedAction(link, data.action);
|
|
} else {
|
|
this._bindLink(link, data.dest);
|
|
}
|
|
}
|
|
this.container.appendChild(link);
|
|
return this.container;
|
|
}
|
|
_bindLink(link, destination) {
|
|
link.href = this.linkService.getDestinationHash(destination);
|
|
link.onclick = () => {
|
|
if (destination) {
|
|
this.linkService.navigateTo(destination);
|
|
}
|
|
return false;
|
|
};
|
|
if (destination) {
|
|
link.className = 'internalLink';
|
|
}
|
|
}
|
|
_bindNamedAction(link, action) {
|
|
link.href = this.linkService.getAnchorUrl('');
|
|
link.onclick = () => {
|
|
this.linkService.executeNamedAction(action);
|
|
return false;
|
|
};
|
|
link.className = 'internalLink';
|
|
}
|
|
}
|
|
class TextAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
let isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable);
|
|
}
|
|
render() {
|
|
this.container.className = 'textAnnotation';
|
|
let 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(this.container, image, this.data);
|
|
}
|
|
this.container.appendChild(image);
|
|
return this.container;
|
|
}
|
|
}
|
|
class WidgetAnnotationElement extends AnnotationElement {
|
|
render() {
|
|
return this.container;
|
|
}
|
|
}
|
|
class TextWidgetAnnotationElement extends WidgetAnnotationElement {
|
|
constructor(parameters) {
|
|
let isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
|
|
super(parameters, isRenderable);
|
|
}
|
|
render() {
|
|
const TEXT_ALIGNMENT = ['left', 'center', 'right'];
|
|
this.container.className = 'textWidgetAnnotation';
|
|
let element = null;
|
|
if (this.renderInteractiveForms) {
|
|
if (this.data.multiLine) {
|
|
element = document.createElement('textarea');
|
|
element.textContent = this.data.fieldValue;
|
|
} else {
|
|
element = document.createElement('input');
|
|
element.type = 'text';
|
|
element.setAttribute('value', this.data.fieldValue);
|
|
}
|
|
element.disabled = this.data.readOnly;
|
|
if (this.data.maxLen !== null) {
|
|
element.maxLength = this.data.maxLen;
|
|
}
|
|
if (this.data.comb) {
|
|
let fieldWidth = this.data.rect[2] - this.data.rect[0];
|
|
let 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) {
|
|
font = this.page.commonObjs.getData(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) {
|
|
let style = element.style;
|
|
style.fontSize = this.data.fontSize + 'px';
|
|
style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr';
|
|
if (!font) {
|
|
return;
|
|
}
|
|
style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal';
|
|
style.fontStyle = font.italic ? 'italic' : 'normal';
|
|
let fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : '';
|
|
let fallbackName = font.fallbackName || 'Helvetica, sans-serif';
|
|
style.fontFamily = fontFamily + fallbackName;
|
|
}
|
|
}
|
|
class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters, parameters.renderInteractiveForms);
|
|
}
|
|
render() {
|
|
this.container.className = 'buttonWidgetAnnotation checkBox';
|
|
let element = document.createElement('input');
|
|
element.disabled = this.data.readOnly;
|
|
element.type = 'checkbox';
|
|
if (this.data.fieldValue && this.data.fieldValue !== 'Off') {
|
|
element.setAttribute('checked', true);
|
|
}
|
|
this.container.appendChild(element);
|
|
return this.container;
|
|
}
|
|
}
|
|
class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters, parameters.renderInteractiveForms);
|
|
}
|
|
render() {
|
|
this.container.className = 'buttonWidgetAnnotation radioButton';
|
|
let element = document.createElement('input');
|
|
element.disabled = this.data.readOnly;
|
|
element.type = 'radio';
|
|
element.name = this.data.fieldName;
|
|
if (this.data.fieldValue === this.data.buttonValue) {
|
|
element.setAttribute('checked', true);
|
|
}
|
|
this.container.appendChild(element);
|
|
return this.container;
|
|
}
|
|
}
|
|
class PushButtonWidgetAnnotationElement extends LinkAnnotationElement {
|
|
render() {
|
|
let container = super.render();
|
|
container.className = 'buttonWidgetAnnotation pushButton';
|
|
return container;
|
|
}
|
|
}
|
|
class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters, parameters.renderInteractiveForms);
|
|
}
|
|
render() {
|
|
this.container.className = 'choiceWidgetAnnotation';
|
|
let selectElement = document.createElement('select');
|
|
selectElement.disabled = this.data.readOnly;
|
|
if (!this.data.combo) {
|
|
selectElement.size = this.data.options.length;
|
|
if (this.data.multiSelect) {
|
|
selectElement.multiple = true;
|
|
}
|
|
}
|
|
for (let i = 0, ii = this.data.options.length; i < ii; i++) {
|
|
let option = this.data.options[i];
|
|
let optionElement = document.createElement('option');
|
|
optionElement.textContent = option.displayValue;
|
|
optionElement.value = option.exportValue;
|
|
if (this.data.fieldValue.includes(option.displayValue)) {
|
|
optionElement.setAttribute('selected', true);
|
|
}
|
|
selectElement.appendChild(optionElement);
|
|
}
|
|
this.container.appendChild(selectElement);
|
|
return this.container;
|
|
}
|
|
}
|
|
class PopupAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
let isRenderable = !!(parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable);
|
|
}
|
|
render() {
|
|
const IGNORE_TYPES = ['Line', 'Square', 'Circle', 'PolyLine', 'Polygon'];
|
|
this.container.className = 'popupAnnotation';
|
|
if (IGNORE_TYPES.includes(this.data.parentType)) {
|
|
return this.container;
|
|
}
|
|
let selector = '[data-annotation-id="' + this.data.parentId + '"]';
|
|
let parentElement = this.layer.querySelector(selector);
|
|
if (!parentElement) {
|
|
return this.container;
|
|
}
|
|
let popup = new PopupElement({
|
|
container: this.container,
|
|
trigger: parentElement,
|
|
color: this.data.color,
|
|
title: this.data.title,
|
|
contents: this.data.contents
|
|
});
|
|
let parentLeft = parseFloat(parentElement.style.left);
|
|
let parentWidth = parseFloat(parentElement.style.width);
|
|
this.container.style.transformOrigin = -(parentLeft + parentWidth) + 'px -' + parentElement.style.top;
|
|
this.container.style.left = parentLeft + parentWidth + '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.contents = parameters.contents;
|
|
this.hideWrapper = parameters.hideWrapper || false;
|
|
this.pinned = false;
|
|
}
|
|
render() {
|
|
const BACKGROUND_ENLIGHT = 0.7;
|
|
let wrapper = document.createElement('div');
|
|
wrapper.className = 'popupWrapper';
|
|
this.hideElement = this.hideWrapper ? wrapper : this.container;
|
|
this.hideElement.setAttribute('hidden', true);
|
|
let popup = document.createElement('div');
|
|
popup.className = 'popup';
|
|
let color = this.color;
|
|
if (color) {
|
|
let r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
|
|
let g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
|
|
let b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
|
|
popup.style.backgroundColor = _util.Util.makeCssRgb(r | 0, g | 0, b | 0);
|
|
}
|
|
let contents = this._formatContents(this.contents);
|
|
let title = document.createElement('h1');
|
|
title.textContent = this.title;
|
|
this.trigger.addEventListener('click', this._toggle.bind(this));
|
|
this.trigger.addEventListener('mouseover', this._show.bind(this, false));
|
|
this.trigger.addEventListener('mouseout', this._hide.bind(this, false));
|
|
popup.addEventListener('click', this._hide.bind(this, true));
|
|
popup.appendChild(title);
|
|
popup.appendChild(contents);
|
|
wrapper.appendChild(popup);
|
|
return wrapper;
|
|
}
|
|
_formatContents(contents) {
|
|
let p = document.createElement('p');
|
|
let lines = contents.split(/(?:\r\n?|\n)/);
|
|
for (let i = 0, ii = lines.length; i < ii; ++i) {
|
|
let 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 LineAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
let isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
}
|
|
render() {
|
|
this.container.className = 'lineAnnotation';
|
|
let data = this.data;
|
|
let width = data.rect[2] - data.rect[0];
|
|
let height = data.rect[3] - data.rect[1];
|
|
let svg = this.svgFactory.create(width, height);
|
|
let 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);
|
|
line.setAttribute('stroke', 'transparent');
|
|
svg.appendChild(line);
|
|
this.container.append(svg);
|
|
this._createPopup(this.container, line, data);
|
|
return this.container;
|
|
}
|
|
}
|
|
class SquareAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
let isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
}
|
|
render() {
|
|
this.container.className = 'squareAnnotation';
|
|
let data = this.data;
|
|
let width = data.rect[2] - data.rect[0];
|
|
let height = data.rect[3] - data.rect[1];
|
|
let svg = this.svgFactory.create(width, height);
|
|
let borderWidth = data.borderStyle.width;
|
|
let 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);
|
|
square.setAttribute('stroke', 'transparent');
|
|
square.setAttribute('fill', 'none');
|
|
svg.appendChild(square);
|
|
this.container.append(svg);
|
|
this._createPopup(this.container, square, data);
|
|
return this.container;
|
|
}
|
|
}
|
|
class CircleAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
let isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
}
|
|
render() {
|
|
this.container.className = 'circleAnnotation';
|
|
let data = this.data;
|
|
let width = data.rect[2] - data.rect[0];
|
|
let height = data.rect[3] - data.rect[1];
|
|
let svg = this.svgFactory.create(width, height);
|
|
let borderWidth = data.borderStyle.width;
|
|
let 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);
|
|
circle.setAttribute('stroke', 'transparent');
|
|
circle.setAttribute('fill', 'none');
|
|
svg.appendChild(circle);
|
|
this.container.append(svg);
|
|
this._createPopup(this.container, circle, data);
|
|
return this.container;
|
|
}
|
|
}
|
|
class PolylineAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
let isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
this.containerClassName = 'polylineAnnotation';
|
|
this.svgElementName = 'svg:polyline';
|
|
}
|
|
render() {
|
|
this.container.className = this.containerClassName;
|
|
let data = this.data;
|
|
let width = data.rect[2] - data.rect[0];
|
|
let height = data.rect[3] - data.rect[1];
|
|
let svg = this.svgFactory.create(width, height);
|
|
let vertices = data.vertices;
|
|
let points = [];
|
|
for (let i = 0, ii = vertices.length; i < ii; i++) {
|
|
let x = vertices[i].x - data.rect[0];
|
|
let y = data.rect[3] - vertices[i].y;
|
|
points.push(x + ',' + y);
|
|
}
|
|
points = points.join(' ');
|
|
let borderWidth = data.borderStyle.width;
|
|
let polyline = this.svgFactory.createElement(this.svgElementName);
|
|
polyline.setAttribute('points', points);
|
|
polyline.setAttribute('stroke-width', borderWidth);
|
|
polyline.setAttribute('stroke', 'transparent');
|
|
polyline.setAttribute('fill', 'none');
|
|
svg.appendChild(polyline);
|
|
this.container.append(svg);
|
|
this._createPopup(this.container, polyline, data);
|
|
return this.container;
|
|
}
|
|
}
|
|
class PolygonAnnotationElement extends PolylineAnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters);
|
|
this.containerClassName = 'polygonAnnotation';
|
|
this.svgElementName = 'svg:polygon';
|
|
}
|
|
}
|
|
class HighlightAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
let isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
}
|
|
render() {
|
|
this.container.className = 'highlightAnnotation';
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(this.container, null, this.data);
|
|
}
|
|
return this.container;
|
|
}
|
|
}
|
|
class UnderlineAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
let isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
}
|
|
render() {
|
|
this.container.className = 'underlineAnnotation';
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(this.container, null, this.data);
|
|
}
|
|
return this.container;
|
|
}
|
|
}
|
|
class SquigglyAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
let isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
}
|
|
render() {
|
|
this.container.className = 'squigglyAnnotation';
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(this.container, null, this.data);
|
|
}
|
|
return this.container;
|
|
}
|
|
}
|
|
class StrikeOutAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
let isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
}
|
|
render() {
|
|
this.container.className = 'strikeoutAnnotation';
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(this.container, null, this.data);
|
|
}
|
|
return this.container;
|
|
}
|
|
}
|
|
class StampAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
let isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
}
|
|
render() {
|
|
this.container.className = 'stampAnnotation';
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(this.container, null, this.data);
|
|
}
|
|
return this.container;
|
|
}
|
|
}
|
|
class FileAttachmentAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters, true);
|
|
let file = this.data.file;
|
|
this.filename = (0, _dom_utils.getFilenameFromUrl)(file.filename);
|
|
this.content = file.content;
|
|
this.linkService.onFileAttachmentAnnotation({
|
|
id: (0, _util.stringToPDFString)(file.filename),
|
|
filename: file.filename,
|
|
content: file.content
|
|
});
|
|
}
|
|
render() {
|
|
this.container.className = 'fileAttachmentAnnotation';
|
|
let 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(this.container, 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) {
|
|
for (let i = 0, ii = parameters.annotations.length; i < ii; i++) {
|
|
let data = parameters.annotations[i];
|
|
if (!data) {
|
|
continue;
|
|
}
|
|
let element = AnnotationElementFactory.create({
|
|
data,
|
|
layer: parameters.div,
|
|
page: parameters.page,
|
|
viewport: parameters.viewport,
|
|
linkService: parameters.linkService,
|
|
downloadManager: parameters.downloadManager,
|
|
imageResourcesPath: parameters.imageResourcesPath || '',
|
|
renderInteractiveForms: parameters.renderInteractiveForms || false,
|
|
svgFactory: new _dom_utils.DOMSVGFactory()
|
|
});
|
|
if (element.isRenderable) {
|
|
parameters.div.appendChild(element.render());
|
|
}
|
|
}
|
|
}
|
|
static update(parameters) {
|
|
for (let i = 0, ii = parameters.annotations.length; i < ii; i++) {
|
|
let data = parameters.annotations[i];
|
|
let element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]');
|
|
if (element) {
|
|
element.style.transform = 'matrix(' + parameters.viewport.transform.join(',') + ')';
|
|
}
|
|
}
|
|
parameters.div.removeAttribute('hidden');
|
|
}
|
|
}
|
|
exports.AnnotationLayer = AnnotationLayer;
|
|
|
|
/***/ }),
|
|
/* 21 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.SVGGraphics = undefined;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _dom_utils = __w_pdfjs_require__(8);
|
|
|
|
var _is_node = __w_pdfjs_require__(22);
|
|
|
|
var _is_node2 = _interopRequireDefault(_is_node);
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
|
|
var SVGGraphics = function () {
|
|
throw new Error('Not implemented: SVGGraphics');
|
|
};
|
|
;
|
|
exports.SVGGraphics = SVGGraphics;
|
|
|
|
/***/ }),
|
|
/* 22 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
module.exports = function isNodeJS() {
|
|
return typeof process === 'object' && process + '' === '[object process]';
|
|
};
|
|
|
|
/***/ })
|
|
/******/ ]);
|
|
}); |