You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
14140 lines
376 KiB
JavaScript
14140 lines
376 KiB
JavaScript
/**
|
|
* @licstart The following is the entire license notice for the
|
|
* Javascript code in this page
|
|
*
|
|
* Copyright 2020 Mozilla Foundation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* @licend The above is the entire license notice for the
|
|
* Javascript code in this page
|
|
*/
|
|
|
|
(function webpackUniversalModuleDefinition(root, factory) {
|
|
if(typeof exports === 'object' && typeof module === 'object')
|
|
module.exports = factory();
|
|
else if(typeof define === 'function' && define.amd)
|
|
define("pdfjs-dist/build/pdf", [], factory);
|
|
else if(typeof exports === 'object')
|
|
exports["pdfjs-dist/build/pdf"] = factory();
|
|
else
|
|
root["pdfjs-dist/build/pdf"] = root.pdfjsLib = factory();
|
|
})(this, function() {
|
|
return /******/ (function(modules) { // webpackBootstrap
|
|
/******/ // The module cache
|
|
/******/ var installedModules = {};
|
|
/******/
|
|
/******/ // The require function
|
|
/******/ function __w_pdfjs_require__(moduleId) {
|
|
/******/
|
|
/******/ // Check if module is in cache
|
|
/******/ if(installedModules[moduleId]) {
|
|
/******/ return installedModules[moduleId].exports;
|
|
/******/ }
|
|
/******/ // Create a new module (and put it into the cache)
|
|
/******/ var module = installedModules[moduleId] = {
|
|
/******/ i: moduleId,
|
|
/******/ l: false,
|
|
/******/ exports: {}
|
|
/******/ };
|
|
/******/
|
|
/******/ // Execute the module function
|
|
/******/ modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
|
|
/******/
|
|
/******/ // Flag the module as loaded
|
|
/******/ module.l = true;
|
|
/******/
|
|
/******/ // Return the exports of the module
|
|
/******/ return module.exports;
|
|
/******/ }
|
|
/******/
|
|
/******/
|
|
/******/ // expose the modules object (__webpack_modules__)
|
|
/******/ __w_pdfjs_require__.m = modules;
|
|
/******/
|
|
/******/ // expose the module cache
|
|
/******/ __w_pdfjs_require__.c = installedModules;
|
|
/******/
|
|
/******/ // define getter function for harmony exports
|
|
/******/ __w_pdfjs_require__.d = function(exports, name, getter) {
|
|
/******/ if(!__w_pdfjs_require__.o(exports, name)) {
|
|
/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
|
|
/******/ }
|
|
/******/ };
|
|
/******/
|
|
/******/ // define __esModule on exports
|
|
/******/ __w_pdfjs_require__.r = function(exports) {
|
|
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
|
|
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
|
|
/******/ }
|
|
/******/ Object.defineProperty(exports, '__esModule', { value: true });
|
|
/******/ };
|
|
/******/
|
|
/******/ // create a fake namespace object
|
|
/******/ // mode & 1: value is a module id, require it
|
|
/******/ // mode & 2: merge all properties of value into the ns
|
|
/******/ // mode & 4: return value when already ns object
|
|
/******/ // mode & 8|1: behave like require
|
|
/******/ __w_pdfjs_require__.t = function(value, mode) {
|
|
/******/ if(mode & 1) value = __w_pdfjs_require__(value);
|
|
/******/ if(mode & 8) return value;
|
|
/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
|
|
/******/ var ns = Object.create(null);
|
|
/******/ __w_pdfjs_require__.r(ns);
|
|
/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
|
|
/******/ 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));
|
|
/******/ return ns;
|
|
/******/ };
|
|
/******/
|
|
/******/ // getDefaultExport function for compatibility with non-harmony modules
|
|
/******/ __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;
|
|
/******/ };
|
|
/******/
|
|
/******/ // Object.prototype.hasOwnProperty.call
|
|
/******/ __w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
|
|
/******/
|
|
/******/ // __webpack_public_path__
|
|
/******/ __w_pdfjs_require__.p = "";
|
|
/******/
|
|
/******/
|
|
/******/ // Load entry module and return exports
|
|
/******/ return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
|
|
/******/ })
|
|
/************************************************************************/
|
|
/******/ ([
|
|
/* 0 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
Object.defineProperty(exports, "addLinkAttributes", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.addLinkAttributes;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "getFilenameFromUrl", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.getFilenameFromUrl;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "LinkTarget", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.LinkTarget;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "loadScript", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.loadScript;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "PDFDateString", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.PDFDateString;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "RenderingCancelledException", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.RenderingCancelledException;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "build", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _api.build;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "getDocument", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _api.getDocument;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "LoopbackPort", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _api.LoopbackPort;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "PDFDataRangeTransport", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _api.PDFDataRangeTransport;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "PDFWorker", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _api.PDFWorker;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "version", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _api.version;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "CMapCompressionType", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.CMapCompressionType;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "createObjectURL", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.createObjectURL;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "createPromiseCapability", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.createPromiseCapability;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "createValidAbsoluteUrl", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.createValidAbsoluteUrl;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "InvalidPDFException", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.InvalidPDFException;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "MissingPDFException", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.MissingPDFException;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "OPS", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.OPS;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "PasswordResponses", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.PasswordResponses;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "PermissionFlag", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.PermissionFlag;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "removeNullCharacters", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.removeNullCharacters;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "shadow", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.shadow;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "UnexpectedResponseException", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.UnexpectedResponseException;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "UNSUPPORTED_FEATURES", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.UNSUPPORTED_FEATURES;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "Util", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.Util;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "VerbosityLevel", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.VerbosityLevel;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "AnnotationLayer", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _annotation_layer.AnnotationLayer;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "apiCompatibilityParams", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _api_compatibility.apiCompatibilityParams;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "GlobalWorkerOptions", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _worker_options.GlobalWorkerOptions;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "renderTextLayer", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _text_layer.renderTextLayer;
|
|
}
|
|
});
|
|
Object.defineProperty(exports, "SVGGraphics", {
|
|
enumerable: true,
|
|
get: function () {
|
|
return _svg.SVGGraphics;
|
|
}
|
|
});
|
|
|
|
var _display_utils = __w_pdfjs_require__(1);
|
|
|
|
var _api = __w_pdfjs_require__(5);
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
var _annotation_layer = __w_pdfjs_require__(19);
|
|
|
|
var _api_compatibility = __w_pdfjs_require__(9);
|
|
|
|
var _worker_options = __w_pdfjs_require__(12);
|
|
|
|
var _text_layer = __w_pdfjs_require__(20);
|
|
|
|
var _svg = __w_pdfjs_require__(21);
|
|
|
|
const pdfjsVersion = '2.6.347';
|
|
const pdfjsBuild = '3be9c65f';
|
|
{
|
|
const {
|
|
isNodeJS
|
|
} = __w_pdfjs_require__(4);
|
|
|
|
if (isNodeJS) {
|
|
const PDFNodeStream = __w_pdfjs_require__(22).PDFNodeStream;
|
|
|
|
(0, _api.setPDFNetworkStreamFactory)(params => {
|
|
return new PDFNodeStream(params);
|
|
});
|
|
} else {
|
|
const PDFNetworkStream = __w_pdfjs_require__(25).PDFNetworkStream;
|
|
|
|
let PDFFetchStream;
|
|
|
|
if ((0, _display_utils.isFetchSupported)()) {
|
|
PDFFetchStream = __w_pdfjs_require__(26).PDFFetchStream;
|
|
}
|
|
|
|
(0, _api.setPDFNetworkStreamFactory)(params => {
|
|
if (PDFFetchStream && (0, _display_utils.isValidFetchUrl)(params.url)) {
|
|
return new PDFFetchStream(params);
|
|
}
|
|
|
|
return new PDFNetworkStream(params);
|
|
});
|
|
}
|
|
}
|
|
|
|
/***/ }),
|
|
/* 1 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.addLinkAttributes = addLinkAttributes;
|
|
exports.getFilenameFromUrl = getFilenameFromUrl;
|
|
exports.isFetchSupported = isFetchSupported;
|
|
exports.isValidFetchUrl = isValidFetchUrl;
|
|
exports.loadScript = loadScript;
|
|
exports.deprecated = deprecated;
|
|
exports.PDFDateString = exports.StatTimer = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.BaseCMapReaderFactory = exports.DOMCanvasFactory = exports.BaseCanvasFactory = exports.DEFAULT_LINK_REL = exports.LinkTarget = exports.RenderingCancelledException = exports.PageViewport = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
|
|
exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
|
|
const SVG_NS = "http://www.w3.org/2000/svg";
|
|
|
|
class BaseCanvasFactory {
|
|
constructor() {
|
|
if (this.constructor === BaseCanvasFactory) {
|
|
(0, _util.unreachable)("Cannot initialize BaseCanvasFactory.");
|
|
}
|
|
}
|
|
|
|
create(width, height) {
|
|
(0, _util.unreachable)("Abstract method `create` called.");
|
|
}
|
|
|
|
reset(canvasAndContext, width, height) {
|
|
if (!canvasAndContext.canvas) {
|
|
throw new Error("Canvas is not specified");
|
|
}
|
|
|
|
if (width <= 0 || height <= 0) {
|
|
throw new Error("Invalid canvas size");
|
|
}
|
|
|
|
canvasAndContext.canvas.width = width;
|
|
canvasAndContext.canvas.height = height;
|
|
}
|
|
|
|
destroy(canvasAndContext) {
|
|
if (!canvasAndContext.canvas) {
|
|
throw new Error("Canvas is not specified");
|
|
}
|
|
|
|
canvasAndContext.canvas.width = 0;
|
|
canvasAndContext.canvas.height = 0;
|
|
canvasAndContext.canvas = null;
|
|
canvasAndContext.context = null;
|
|
}
|
|
|
|
}
|
|
|
|
exports.BaseCanvasFactory = BaseCanvasFactory;
|
|
|
|
class DOMCanvasFactory extends BaseCanvasFactory {
|
|
constructor({
|
|
ownerDocument = globalThis.document
|
|
} = {}) {
|
|
super();
|
|
this._document = ownerDocument;
|
|
}
|
|
|
|
create(width, height) {
|
|
if (width <= 0 || height <= 0) {
|
|
throw new Error("Invalid canvas size");
|
|
}
|
|
|
|
const canvas = this._document.createElement("canvas");
|
|
|
|
const context = canvas.getContext("2d");
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
return {
|
|
canvas,
|
|
context
|
|
};
|
|
}
|
|
|
|
}
|
|
|
|
exports.DOMCanvasFactory = DOMCanvasFactory;
|
|
|
|
class BaseCMapReaderFactory {
|
|
constructor({
|
|
baseUrl = null,
|
|
isCompressed = false
|
|
}) {
|
|
if (this.constructor === BaseCMapReaderFactory) {
|
|
(0, _util.unreachable)("Cannot initialize BaseCMapReaderFactory.");
|
|
}
|
|
|
|
this.baseUrl = baseUrl;
|
|
this.isCompressed = isCompressed;
|
|
}
|
|
|
|
async fetch({
|
|
name
|
|
}) {
|
|
if (!this.baseUrl) {
|
|
throw new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.');
|
|
}
|
|
|
|
if (!name) {
|
|
throw new Error("CMap name must be specified.");
|
|
}
|
|
|
|
const url = this.baseUrl + name + (this.isCompressed ? ".bcmap" : "");
|
|
const compressionType = this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE;
|
|
return this._fetchData(url, compressionType).catch(reason => {
|
|
throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}CMap at: ${url}`);
|
|
});
|
|
}
|
|
|
|
_fetchData(url, compressionType) {
|
|
(0, _util.unreachable)("Abstract method `_fetchData` called.");
|
|
}
|
|
|
|
}
|
|
|
|
exports.BaseCMapReaderFactory = BaseCMapReaderFactory;
|
|
|
|
class DOMCMapReaderFactory extends BaseCMapReaderFactory {
|
|
_fetchData(url, compressionType) {
|
|
if (isFetchSupported() && isValidFetchUrl(url, document.baseURI)) {
|
|
return fetch(url).then(async response => {
|
|
if (!response.ok) {
|
|
throw new Error(response.statusText);
|
|
}
|
|
|
|
let cMapData;
|
|
|
|
if (this.isCompressed) {
|
|
cMapData = new Uint8Array(await response.arrayBuffer());
|
|
} else {
|
|
cMapData = (0, _util.stringToBytes)(await response.text());
|
|
}
|
|
|
|
return {
|
|
cMapData,
|
|
compressionType
|
|
};
|
|
});
|
|
}
|
|
|
|
return new Promise((resolve, reject) => {
|
|
const 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 cMapData;
|
|
|
|
if (this.isCompressed && request.response) {
|
|
cMapData = new Uint8Array(request.response);
|
|
} else if (!this.isCompressed && request.responseText) {
|
|
cMapData = (0, _util.stringToBytes)(request.responseText);
|
|
}
|
|
|
|
if (cMapData) {
|
|
resolve({
|
|
cMapData,
|
|
compressionType
|
|
});
|
|
return;
|
|
}
|
|
}
|
|
|
|
reject(new Error(request.statusText));
|
|
};
|
|
|
|
request.send(null);
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
|
|
|
|
class DOMSVGFactory {
|
|
create(width, height) {
|
|
(0, _util.assert)(width > 0 && height > 0, "Invalid SVG dimensions");
|
|
const svg = document.createElementNS(SVG_NS, "svg:svg");
|
|
svg.setAttribute("version", "1.1");
|
|
svg.setAttribute("width", width + "px");
|
|
svg.setAttribute("height", height + "px");
|
|
svg.setAttribute("preserveAspectRatio", "none");
|
|
svg.setAttribute("viewBox", "0 0 " + width + " " + height);
|
|
return svg;
|
|
}
|
|
|
|
createElement(type) {
|
|
(0, _util.assert)(typeof type === "string", "Invalid SVG element type");
|
|
return document.createElementNS(SVG_NS, type);
|
|
}
|
|
|
|
}
|
|
|
|
exports.DOMSVGFactory = DOMSVGFactory;
|
|
|
|
class PageViewport {
|
|
constructor({
|
|
viewBox,
|
|
scale,
|
|
rotation,
|
|
offsetX = 0,
|
|
offsetY = 0,
|
|
dontFlip = false
|
|
}) {
|
|
this.viewBox = viewBox;
|
|
this.scale = scale;
|
|
this.rotation = rotation;
|
|
this.offsetX = offsetX;
|
|
this.offsetY = offsetY;
|
|
const centerX = (viewBox[2] + viewBox[0]) / 2;
|
|
const centerY = (viewBox[3] + viewBox[1]) / 2;
|
|
let rotateA, rotateB, rotateC, rotateD;
|
|
rotation = rotation % 360;
|
|
rotation = rotation < 0 ? rotation + 360 : rotation;
|
|
|
|
switch (rotation) {
|
|
case 180:
|
|
rotateA = -1;
|
|
rotateB = 0;
|
|
rotateC = 0;
|
|
rotateD = 1;
|
|
break;
|
|
|
|
case 90:
|
|
rotateA = 0;
|
|
rotateB = 1;
|
|
rotateC = 1;
|
|
rotateD = 0;
|
|
break;
|
|
|
|
case 270:
|
|
rotateA = 0;
|
|
rotateB = -1;
|
|
rotateC = -1;
|
|
rotateD = 0;
|
|
break;
|
|
|
|
case 0:
|
|
rotateA = 1;
|
|
rotateB = 0;
|
|
rotateC = 0;
|
|
rotateD = -1;
|
|
break;
|
|
|
|
default:
|
|
throw new Error("PageViewport: Invalid rotation, must be a multiple of 90 degrees.");
|
|
}
|
|
|
|
if (dontFlip) {
|
|
rotateC = -rotateC;
|
|
rotateD = -rotateD;
|
|
}
|
|
|
|
let offsetCanvasX, offsetCanvasY;
|
|
let width, height;
|
|
|
|
if (rotateA === 0) {
|
|
offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
|
|
offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
|
|
width = Math.abs(viewBox[3] - viewBox[1]) * scale;
|
|
height = Math.abs(viewBox[2] - viewBox[0]) * scale;
|
|
} else {
|
|
offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
|
|
offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
|
|
width = Math.abs(viewBox[2] - viewBox[0]) * scale;
|
|
height = Math.abs(viewBox[3] - viewBox[1]) * scale;
|
|
}
|
|
|
|
this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY];
|
|
this.width = width;
|
|
this.height = height;
|
|
}
|
|
|
|
clone({
|
|
scale = this.scale,
|
|
rotation = this.rotation,
|
|
offsetX = this.offsetX,
|
|
offsetY = this.offsetY,
|
|
dontFlip = false
|
|
} = {}) {
|
|
return new PageViewport({
|
|
viewBox: this.viewBox.slice(),
|
|
scale,
|
|
rotation,
|
|
offsetX,
|
|
offsetY,
|
|
dontFlip
|
|
});
|
|
}
|
|
|
|
convertToViewportPoint(x, y) {
|
|
return _util.Util.applyTransform([x, y], this.transform);
|
|
}
|
|
|
|
convertToViewportRectangle(rect) {
|
|
const topLeft = _util.Util.applyTransform([rect[0], rect[1]], this.transform);
|
|
|
|
const bottomRight = _util.Util.applyTransform([rect[2], rect[3]], this.transform);
|
|
|
|
return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
|
|
}
|
|
|
|
convertToPdfPoint(x, y) {
|
|
return _util.Util.applyInverseTransform([x, y], this.transform);
|
|
}
|
|
|
|
}
|
|
|
|
exports.PageViewport = PageViewport;
|
|
|
|
class RenderingCancelledException extends _util.BaseException {
|
|
constructor(msg, type) {
|
|
super(msg);
|
|
this.type = type;
|
|
}
|
|
|
|
}
|
|
|
|
exports.RenderingCancelledException = RenderingCancelledException;
|
|
const LinkTarget = {
|
|
NONE: 0,
|
|
SELF: 1,
|
|
BLANK: 2,
|
|
PARENT: 3,
|
|
TOP: 4
|
|
};
|
|
exports.LinkTarget = LinkTarget;
|
|
|
|
function addLinkAttributes(link, {
|
|
url,
|
|
target,
|
|
rel,
|
|
enabled = true
|
|
} = {}) {
|
|
(0, _util.assert)(url && typeof url === "string", 'addLinkAttributes: A valid "url" parameter must provided.');
|
|
const urlNullRemoved = (0, _util.removeNullCharacters)(url);
|
|
|
|
if (enabled) {
|
|
link.href = link.title = urlNullRemoved;
|
|
} else {
|
|
link.href = "";
|
|
link.title = `Disabled: ${urlNullRemoved}`;
|
|
|
|
link.onclick = () => {
|
|
return false;
|
|
};
|
|
}
|
|
|
|
let targetStr = "";
|
|
|
|
switch (target) {
|
|
case LinkTarget.NONE:
|
|
break;
|
|
|
|
case LinkTarget.SELF:
|
|
targetStr = "_self";
|
|
break;
|
|
|
|
case LinkTarget.BLANK:
|
|
targetStr = "_blank";
|
|
break;
|
|
|
|
case LinkTarget.PARENT:
|
|
targetStr = "_parent";
|
|
break;
|
|
|
|
case LinkTarget.TOP:
|
|
targetStr = "_top";
|
|
break;
|
|
}
|
|
|
|
link.target = targetStr;
|
|
link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
|
|
}
|
|
|
|
function getFilenameFromUrl(url) {
|
|
const anchor = url.indexOf("#");
|
|
const query = url.indexOf("?");
|
|
const end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
|
|
return url.substring(url.lastIndexOf("/", end) + 1, end);
|
|
}
|
|
|
|
class StatTimer {
|
|
constructor() {
|
|
this.started = Object.create(null);
|
|
this.times = [];
|
|
}
|
|
|
|
time(name) {
|
|
if (name in this.started) {
|
|
(0, _util.warn)(`Timer is already running for ${name}`);
|
|
}
|
|
|
|
this.started[name] = Date.now();
|
|
}
|
|
|
|
timeEnd(name) {
|
|
if (!(name in this.started)) {
|
|
(0, _util.warn)(`Timer has not been started for ${name}`);
|
|
}
|
|
|
|
this.times.push({
|
|
name,
|
|
start: this.started[name],
|
|
end: Date.now()
|
|
});
|
|
delete this.started[name];
|
|
}
|
|
|
|
toString() {
|
|
const outBuf = [];
|
|
let longest = 0;
|
|
|
|
for (const time of this.times) {
|
|
const name = time.name;
|
|
|
|
if (name.length > longest) {
|
|
longest = name.length;
|
|
}
|
|
}
|
|
|
|
for (const time of this.times) {
|
|
const duration = time.end - time.start;
|
|
outBuf.push(`${time.name.padEnd(longest)} ${duration}ms\n`);
|
|
}
|
|
|
|
return outBuf.join("");
|
|
}
|
|
|
|
}
|
|
|
|
exports.StatTimer = StatTimer;
|
|
|
|
function isFetchSupported() {
|
|
return typeof fetch !== "undefined" && typeof Response !== "undefined" && "body" in Response.prototype && typeof ReadableStream !== "undefined";
|
|
}
|
|
|
|
function isValidFetchUrl(url, baseUrl) {
|
|
try {
|
|
const {
|
|
protocol
|
|
} = baseUrl ? new URL(url, baseUrl) : new URL(url);
|
|
return protocol === "http:" || protocol === "https:";
|
|
} catch (ex) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function loadScript(src) {
|
|
return new Promise((resolve, reject) => {
|
|
const 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);
|
|
});
|
|
}
|
|
|
|
function deprecated(details) {
|
|
console.log("Deprecated API usage: " + details);
|
|
}
|
|
|
|
let pdfDateStringRegex;
|
|
|
|
class PDFDateString {
|
|
static toDateObject(input) {
|
|
if (!input || !(0, _util.isString)(input)) {
|
|
return null;
|
|
}
|
|
|
|
if (!pdfDateStringRegex) {
|
|
pdfDateStringRegex = new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?");
|
|
}
|
|
|
|
const matches = pdfDateStringRegex.exec(input);
|
|
|
|
if (!matches) {
|
|
return null;
|
|
}
|
|
|
|
const year = parseInt(matches[1], 10);
|
|
let month = parseInt(matches[2], 10);
|
|
month = month >= 1 && month <= 12 ? month - 1 : 0;
|
|
let day = parseInt(matches[3], 10);
|
|
day = day >= 1 && day <= 31 ? day : 1;
|
|
let hour = parseInt(matches[4], 10);
|
|
hour = hour >= 0 && hour <= 23 ? hour : 0;
|
|
let minute = parseInt(matches[5], 10);
|
|
minute = minute >= 0 && minute <= 59 ? minute : 0;
|
|
let second = parseInt(matches[6], 10);
|
|
second = second >= 0 && second <= 59 ? second : 0;
|
|
const universalTimeRelation = matches[7] || "Z";
|
|
let offsetHour = parseInt(matches[8], 10);
|
|
offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;
|
|
let offsetMinute = parseInt(matches[9], 10) || 0;
|
|
offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;
|
|
|
|
if (universalTimeRelation === "-") {
|
|
hour += offsetHour;
|
|
minute += offsetMinute;
|
|
} else if (universalTimeRelation === "+") {
|
|
hour -= offsetHour;
|
|
minute -= offsetMinute;
|
|
}
|
|
|
|
return new Date(Date.UTC(year, month, day, hour, minute, second));
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFDateString = PDFDateString;
|
|
|
|
/***/ }),
|
|
/* 2 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.arrayByteLength = arrayByteLength;
|
|
exports.arraysToBytes = arraysToBytes;
|
|
exports.assert = assert;
|
|
exports.bytesToString = bytesToString;
|
|
exports.createPromiseCapability = createPromiseCapability;
|
|
exports.escapeString = escapeString;
|
|
exports.getModificationDate = getModificationDate;
|
|
exports.getVerbosityLevel = getVerbosityLevel;
|
|
exports.info = info;
|
|
exports.isArrayBuffer = isArrayBuffer;
|
|
exports.isArrayEqual = isArrayEqual;
|
|
exports.isBool = isBool;
|
|
exports.isNum = isNum;
|
|
exports.isString = isString;
|
|
exports.isSameOrigin = isSameOrigin;
|
|
exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
|
|
exports.removeNullCharacters = removeNullCharacters;
|
|
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;
|
|
exports.IsEvalSupportedCached = exports.IsLittleEndianCached = exports.createObjectURL = exports.FormatError = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.MissingPDFException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = exports.BaseException = void 0;
|
|
|
|
__w_pdfjs_require__(3);
|
|
|
|
const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
|
|
exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
|
|
const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
|
|
exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
|
|
const PermissionFlag = {
|
|
PRINT: 0x04,
|
|
MODIFY_CONTENTS: 0x08,
|
|
COPY: 0x10,
|
|
MODIFY_ANNOTATIONS: 0x20,
|
|
FILL_INTERACTIVE_FORMS: 0x100,
|
|
COPY_FOR_ACCESSIBILITY: 0x200,
|
|
ASSEMBLE: 0x400,
|
|
PRINT_HIGH_QUALITY: 0x800
|
|
};
|
|
exports.PermissionFlag = PermissionFlag;
|
|
const TextRenderingMode = {
|
|
FILL: 0,
|
|
STROKE: 1,
|
|
FILL_STROKE: 2,
|
|
INVISIBLE: 3,
|
|
FILL_ADD_TO_PATH: 4,
|
|
STROKE_ADD_TO_PATH: 5,
|
|
FILL_STROKE_ADD_TO_PATH: 6,
|
|
ADD_TO_PATH: 7,
|
|
FILL_STROKE_MASK: 3,
|
|
ADD_TO_PATH_FLAG: 4
|
|
};
|
|
exports.TextRenderingMode = TextRenderingMode;
|
|
const ImageKind = {
|
|
GRAYSCALE_1BPP: 1,
|
|
RGB_24BPP: 2,
|
|
RGBA_32BPP: 3
|
|
};
|
|
exports.ImageKind = ImageKind;
|
|
const AnnotationType = {
|
|
TEXT: 1,
|
|
LINK: 2,
|
|
FREETEXT: 3,
|
|
LINE: 4,
|
|
SQUARE: 5,
|
|
CIRCLE: 6,
|
|
POLYGON: 7,
|
|
POLYLINE: 8,
|
|
HIGHLIGHT: 9,
|
|
UNDERLINE: 10,
|
|
SQUIGGLY: 11,
|
|
STRIKEOUT: 12,
|
|
STAMP: 13,
|
|
CARET: 14,
|
|
INK: 15,
|
|
POPUP: 16,
|
|
FILEATTACHMENT: 17,
|
|
SOUND: 18,
|
|
MOVIE: 19,
|
|
WIDGET: 20,
|
|
SCREEN: 21,
|
|
PRINTERMARK: 22,
|
|
TRAPNET: 23,
|
|
WATERMARK: 24,
|
|
THREED: 25,
|
|
REDACT: 26
|
|
};
|
|
exports.AnnotationType = AnnotationType;
|
|
const AnnotationStateModelType = {
|
|
MARKED: "Marked",
|
|
REVIEW: "Review"
|
|
};
|
|
exports.AnnotationStateModelType = AnnotationStateModelType;
|
|
const AnnotationMarkedState = {
|
|
MARKED: "Marked",
|
|
UNMARKED: "Unmarked"
|
|
};
|
|
exports.AnnotationMarkedState = AnnotationMarkedState;
|
|
const AnnotationReviewState = {
|
|
ACCEPTED: "Accepted",
|
|
REJECTED: "Rejected",
|
|
CANCELLED: "Cancelled",
|
|
COMPLETED: "Completed",
|
|
NONE: "None"
|
|
};
|
|
exports.AnnotationReviewState = AnnotationReviewState;
|
|
const AnnotationReplyType = {
|
|
GROUP: "Group",
|
|
REPLY: "R"
|
|
};
|
|
exports.AnnotationReplyType = AnnotationReplyType;
|
|
const AnnotationFlag = {
|
|
INVISIBLE: 0x01,
|
|
HIDDEN: 0x02,
|
|
PRINT: 0x04,
|
|
NOZOOM: 0x08,
|
|
NOROTATE: 0x10,
|
|
NOVIEW: 0x20,
|
|
READONLY: 0x40,
|
|
LOCKED: 0x80,
|
|
TOGGLENOVIEW: 0x100,
|
|
LOCKEDCONTENTS: 0x200
|
|
};
|
|
exports.AnnotationFlag = AnnotationFlag;
|
|
const AnnotationFieldFlag = {
|
|
READONLY: 0x0000001,
|
|
REQUIRED: 0x0000002,
|
|
NOEXPORT: 0x0000004,
|
|
MULTILINE: 0x0001000,
|
|
PASSWORD: 0x0002000,
|
|
NOTOGGLETOOFF: 0x0004000,
|
|
RADIO: 0x0008000,
|
|
PUSHBUTTON: 0x0010000,
|
|
COMBO: 0x0020000,
|
|
EDIT: 0x0040000,
|
|
SORT: 0x0080000,
|
|
FILESELECT: 0x0100000,
|
|
MULTISELECT: 0x0200000,
|
|
DONOTSPELLCHECK: 0x0400000,
|
|
DONOTSCROLL: 0x0800000,
|
|
COMB: 0x1000000,
|
|
RICHTEXT: 0x2000000,
|
|
RADIOSINUNISON: 0x2000000,
|
|
COMMITONSELCHANGE: 0x4000000
|
|
};
|
|
exports.AnnotationFieldFlag = AnnotationFieldFlag;
|
|
const AnnotationBorderStyleType = {
|
|
SOLID: 1,
|
|
DASHED: 2,
|
|
BEVELED: 3,
|
|
INSET: 4,
|
|
UNDERLINE: 5
|
|
};
|
|
exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
|
|
const StreamType = {
|
|
UNKNOWN: "UNKNOWN",
|
|
FLATE: "FLATE",
|
|
LZW: "LZW",
|
|
DCT: "DCT",
|
|
JPX: "JPX",
|
|
JBIG: "JBIG",
|
|
A85: "A85",
|
|
AHX: "AHX",
|
|
CCF: "CCF",
|
|
RLX: "RLX"
|
|
};
|
|
exports.StreamType = StreamType;
|
|
const FontType = {
|
|
UNKNOWN: "UNKNOWN",
|
|
TYPE1: "TYPE1",
|
|
TYPE1C: "TYPE1C",
|
|
CIDFONTTYPE0: "CIDFONTTYPE0",
|
|
CIDFONTTYPE0C: "CIDFONTTYPE0C",
|
|
TRUETYPE: "TRUETYPE",
|
|
CIDFONTTYPE2: "CIDFONTTYPE2",
|
|
TYPE3: "TYPE3",
|
|
OPENTYPE: "OPENTYPE",
|
|
TYPE0: "TYPE0",
|
|
MMTYPE1: "MMTYPE1"
|
|
};
|
|
exports.FontType = FontType;
|
|
const VerbosityLevel = {
|
|
ERRORS: 0,
|
|
WARNINGS: 1,
|
|
INFOS: 5
|
|
};
|
|
exports.VerbosityLevel = VerbosityLevel;
|
|
const CMapCompressionType = {
|
|
NONE: 0,
|
|
BINARY: 1,
|
|
STREAM: 2
|
|
};
|
|
exports.CMapCompressionType = CMapCompressionType;
|
|
const OPS = {
|
|
dependency: 1,
|
|
setLineWidth: 2,
|
|
setLineCap: 3,
|
|
setLineJoin: 4,
|
|
setMiterLimit: 5,
|
|
setDash: 6,
|
|
setRenderingIntent: 7,
|
|
setFlatness: 8,
|
|
setGState: 9,
|
|
save: 10,
|
|
restore: 11,
|
|
transform: 12,
|
|
moveTo: 13,
|
|
lineTo: 14,
|
|
curveTo: 15,
|
|
curveTo2: 16,
|
|
curveTo3: 17,
|
|
closePath: 18,
|
|
rectangle: 19,
|
|
stroke: 20,
|
|
closeStroke: 21,
|
|
fill: 22,
|
|
eoFill: 23,
|
|
fillStroke: 24,
|
|
eoFillStroke: 25,
|
|
closeFillStroke: 26,
|
|
closeEOFillStroke: 27,
|
|
endPath: 28,
|
|
clip: 29,
|
|
eoClip: 30,
|
|
beginText: 31,
|
|
endText: 32,
|
|
setCharSpacing: 33,
|
|
setWordSpacing: 34,
|
|
setHScale: 35,
|
|
setLeading: 36,
|
|
setFont: 37,
|
|
setTextRenderingMode: 38,
|
|
setTextRise: 39,
|
|
moveText: 40,
|
|
setLeadingMoveText: 41,
|
|
setTextMatrix: 42,
|
|
nextLine: 43,
|
|
showText: 44,
|
|
showSpacedText: 45,
|
|
nextLineShowText: 46,
|
|
nextLineSetSpacingShowText: 47,
|
|
setCharWidth: 48,
|
|
setCharWidthAndBounds: 49,
|
|
setStrokeColorSpace: 50,
|
|
setFillColorSpace: 51,
|
|
setStrokeColor: 52,
|
|
setStrokeColorN: 53,
|
|
setFillColor: 54,
|
|
setFillColorN: 55,
|
|
setStrokeGray: 56,
|
|
setFillGray: 57,
|
|
setStrokeRGBColor: 58,
|
|
setFillRGBColor: 59,
|
|
setStrokeCMYKColor: 60,
|
|
setFillCMYKColor: 61,
|
|
shadingFill: 62,
|
|
beginInlineImage: 63,
|
|
beginImageData: 64,
|
|
endInlineImage: 65,
|
|
paintXObject: 66,
|
|
markPoint: 67,
|
|
markPointProps: 68,
|
|
beginMarkedContent: 69,
|
|
beginMarkedContentProps: 70,
|
|
endMarkedContent: 71,
|
|
beginCompat: 72,
|
|
endCompat: 73,
|
|
paintFormXObjectBegin: 74,
|
|
paintFormXObjectEnd: 75,
|
|
beginGroup: 76,
|
|
endGroup: 77,
|
|
beginAnnotations: 78,
|
|
endAnnotations: 79,
|
|
beginAnnotation: 80,
|
|
endAnnotation: 81,
|
|
paintJpegXObject: 82,
|
|
paintImageMaskXObject: 83,
|
|
paintImageMaskXObjectGroup: 84,
|
|
paintImageXObject: 85,
|
|
paintInlineImageXObject: 86,
|
|
paintInlineImageXObjectGroup: 87,
|
|
paintImageXObjectRepeat: 88,
|
|
paintImageMaskXObjectRepeat: 89,
|
|
paintSolidColorImageMask: 90,
|
|
constructPath: 91
|
|
};
|
|
exports.OPS = OPS;
|
|
const UNSUPPORTED_FEATURES = {
|
|
unknown: "unknown",
|
|
forms: "forms",
|
|
javaScript: "javaScript",
|
|
smask: "smask",
|
|
shadingPattern: "shadingPattern",
|
|
font: "font",
|
|
errorTilingPattern: "errorTilingPattern",
|
|
errorExtGState: "errorExtGState",
|
|
errorXObject: "errorXObject",
|
|
errorFontLoadType3: "errorFontLoadType3",
|
|
errorFontState: "errorFontState",
|
|
errorFontMissing: "errorFontMissing",
|
|
errorFontTranslate: "errorFontTranslate",
|
|
errorColorSpace: "errorColorSpace",
|
|
errorOperatorList: "errorOperatorList",
|
|
errorFontToUnicode: "errorFontToUnicode",
|
|
errorFontLoadNative: "errorFontLoadNative",
|
|
errorFontGetPath: "errorFontGetPath",
|
|
errorMarkedContent: "errorMarkedContent"
|
|
};
|
|
exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
|
|
const PasswordResponses = {
|
|
NEED_PASSWORD: 1,
|
|
INCORRECT_PASSWORD: 2
|
|
};
|
|
exports.PasswordResponses = PasswordResponses;
|
|
let verbosity = VerbosityLevel.WARNINGS;
|
|
|
|
function setVerbosityLevel(level) {
|
|
if (Number.isInteger(level)) {
|
|
verbosity = level;
|
|
}
|
|
}
|
|
|
|
function getVerbosityLevel() {
|
|
return verbosity;
|
|
}
|
|
|
|
function info(msg) {
|
|
if (verbosity >= VerbosityLevel.INFOS) {
|
|
console.log(`Info: ${msg}`);
|
|
}
|
|
}
|
|
|
|
function warn(msg) {
|
|
if (verbosity >= VerbosityLevel.WARNINGS) {
|
|
console.log(`Warning: ${msg}`);
|
|
}
|
|
}
|
|
|
|
function unreachable(msg) {
|
|
throw new Error(msg);
|
|
}
|
|
|
|
function assert(cond, msg) {
|
|
if (!cond) {
|
|
unreachable(msg);
|
|
}
|
|
}
|
|
|
|
function isSameOrigin(baseUrl, otherUrl) {
|
|
let base;
|
|
|
|
try {
|
|
base = new URL(baseUrl);
|
|
|
|
if (!base.origin || base.origin === "null") {
|
|
return false;
|
|
}
|
|
} catch (e) {
|
|
return false;
|
|
}
|
|
|
|
const other = new URL(otherUrl, base);
|
|
return base.origin === other.origin;
|
|
}
|
|
|
|
function _isValidProtocol(url) {
|
|
if (!url) {
|
|
return false;
|
|
}
|
|
|
|
switch (url.protocol) {
|
|
case "http:":
|
|
case "https:":
|
|
case "ftp:":
|
|
case "mailto:":
|
|
case "tel:":
|
|
return true;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function createValidAbsoluteUrl(url, baseUrl) {
|
|
if (!url) {
|
|
return null;
|
|
}
|
|
|
|
try {
|
|
const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
|
|
|
|
if (_isValidProtocol(absoluteUrl)) {
|
|
return absoluteUrl;
|
|
}
|
|
} catch (ex) {}
|
|
|
|
return null;
|
|
}
|
|
|
|
function shadow(obj, prop, value) {
|
|
Object.defineProperty(obj, prop, {
|
|
value,
|
|
enumerable: true,
|
|
configurable: true,
|
|
writable: false
|
|
});
|
|
return value;
|
|
}
|
|
|
|
const BaseException = function BaseExceptionClosure() {
|
|
function BaseException(message) {
|
|
if (this.constructor === BaseException) {
|
|
unreachable("Cannot initialize BaseException.");
|
|
}
|
|
|
|
this.message = message;
|
|
this.name = this.constructor.name;
|
|
}
|
|
|
|
BaseException.prototype = new Error();
|
|
BaseException.constructor = BaseException;
|
|
return BaseException;
|
|
}();
|
|
|
|
exports.BaseException = BaseException;
|
|
|
|
class PasswordException extends BaseException {
|
|
constructor(msg, code) {
|
|
super(msg);
|
|
this.code = code;
|
|
}
|
|
|
|
}
|
|
|
|
exports.PasswordException = PasswordException;
|
|
|
|
class UnknownErrorException extends BaseException {
|
|
constructor(msg, details) {
|
|
super(msg);
|
|
this.details = details;
|
|
}
|
|
|
|
}
|
|
|
|
exports.UnknownErrorException = UnknownErrorException;
|
|
|
|
class InvalidPDFException extends BaseException {}
|
|
|
|
exports.InvalidPDFException = InvalidPDFException;
|
|
|
|
class MissingPDFException extends BaseException {}
|
|
|
|
exports.MissingPDFException = MissingPDFException;
|
|
|
|
class UnexpectedResponseException extends BaseException {
|
|
constructor(msg, status) {
|
|
super(msg);
|
|
this.status = status;
|
|
}
|
|
|
|
}
|
|
|
|
exports.UnexpectedResponseException = UnexpectedResponseException;
|
|
|
|
class FormatError extends BaseException {}
|
|
|
|
exports.FormatError = FormatError;
|
|
|
|
class AbortException extends BaseException {}
|
|
|
|
exports.AbortException = AbortException;
|
|
const NullCharactersRegExp = /\x00/g;
|
|
|
|
function removeNullCharacters(str) {
|
|
if (typeof str !== "string") {
|
|
warn("The argument for removeNullCharacters must be a string.");
|
|
return str;
|
|
}
|
|
|
|
return str.replace(NullCharactersRegExp, "");
|
|
}
|
|
|
|
function bytesToString(bytes) {
|
|
assert(bytes !== null && typeof bytes === "object" && bytes.length !== undefined, "Invalid argument for bytesToString");
|
|
const length = bytes.length;
|
|
const MAX_ARGUMENT_COUNT = 8192;
|
|
|
|
if (length < MAX_ARGUMENT_COUNT) {
|
|
return String.fromCharCode.apply(null, bytes);
|
|
}
|
|
|
|
const strBuf = [];
|
|
|
|
for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
|
|
const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
|
|
const chunk = bytes.subarray(i, chunkEnd);
|
|
strBuf.push(String.fromCharCode.apply(null, chunk));
|
|
}
|
|
|
|
return strBuf.join("");
|
|
}
|
|
|
|
function stringToBytes(str) {
|
|
assert(typeof str === "string", "Invalid argument for stringToBytes");
|
|
const length = str.length;
|
|
const bytes = new Uint8Array(length);
|
|
|
|
for (let i = 0; i < length; ++i) {
|
|
bytes[i] = str.charCodeAt(i) & 0xff;
|
|
}
|
|
|
|
return bytes;
|
|
}
|
|
|
|
function arrayByteLength(arr) {
|
|
if (arr.length !== undefined) {
|
|
return arr.length;
|
|
}
|
|
|
|
assert(arr.byteLength !== undefined, "arrayByteLength - invalid argument.");
|
|
return arr.byteLength;
|
|
}
|
|
|
|
function arraysToBytes(arr) {
|
|
const length = arr.length;
|
|
|
|
if (length === 1 && arr[0] instanceof Uint8Array) {
|
|
return arr[0];
|
|
}
|
|
|
|
let resultLength = 0;
|
|
|
|
for (let i = 0; i < length; i++) {
|
|
resultLength += arrayByteLength(arr[i]);
|
|
}
|
|
|
|
let pos = 0;
|
|
const data = new Uint8Array(resultLength);
|
|
|
|
for (let i = 0; i < length; i++) {
|
|
let item = arr[i];
|
|
|
|
if (!(item instanceof Uint8Array)) {
|
|
if (typeof item === "string") {
|
|
item = stringToBytes(item);
|
|
} else {
|
|
item = new Uint8Array(item);
|
|
}
|
|
}
|
|
|
|
const itemLength = item.byteLength;
|
|
data.set(item, pos);
|
|
pos += itemLength;
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
function string32(value) {
|
|
return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
|
|
}
|
|
|
|
function isLittleEndian() {
|
|
const buffer8 = new Uint8Array(4);
|
|
buffer8[0] = 1;
|
|
const view32 = new Uint32Array(buffer8.buffer, 0, 1);
|
|
return view32[0] === 1;
|
|
}
|
|
|
|
const IsLittleEndianCached = {
|
|
get value() {
|
|
return shadow(this, "value", isLittleEndian());
|
|
}
|
|
|
|
};
|
|
exports.IsLittleEndianCached = IsLittleEndianCached;
|
|
|
|
function isEvalSupported() {
|
|
try {
|
|
new Function("");
|
|
return true;
|
|
} catch (e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
const IsEvalSupportedCached = {
|
|
get value() {
|
|
return shadow(this, "value", isEvalSupported());
|
|
}
|
|
|
|
};
|
|
exports.IsEvalSupportedCached = IsEvalSupportedCached;
|
|
const rgbBuf = ["rgb(", 0, ",", 0, ",", 0, ")"];
|
|
|
|
class Util {
|
|
static makeCssRgb(r, g, b) {
|
|
rgbBuf[1] = r;
|
|
rgbBuf[3] = g;
|
|
rgbBuf[5] = b;
|
|
return rgbBuf.join("");
|
|
}
|
|
|
|
static transform(m1, m2) {
|
|
return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
|
|
}
|
|
|
|
static applyTransform(p, m) {
|
|
const xt = p[0] * m[0] + p[1] * m[2] + m[4];
|
|
const yt = p[0] * m[1] + p[1] * m[3] + m[5];
|
|
return [xt, yt];
|
|
}
|
|
|
|
static applyInverseTransform(p, m) {
|
|
const d = m[0] * m[3] - m[1] * m[2];
|
|
const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
|
|
const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
|
|
return [xt, yt];
|
|
}
|
|
|
|
static getAxialAlignedBoundingBox(r, m) {
|
|
const p1 = Util.applyTransform(r, m);
|
|
const p2 = Util.applyTransform(r.slice(2, 4), m);
|
|
const p3 = Util.applyTransform([r[0], r[3]], m);
|
|
const p4 = Util.applyTransform([r[2], r[1]], m);
|
|
return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
|
|
}
|
|
|
|
static inverseTransform(m) {
|
|
const d = m[0] * m[3] - m[1] * m[2];
|
|
return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
|
|
}
|
|
|
|
static apply3dTransform(m, v) {
|
|
return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
|
|
}
|
|
|
|
static singularValueDecompose2dScale(m) {
|
|
const transpose = [m[0], m[2], m[1], m[3]];
|
|
const a = m[0] * transpose[0] + m[1] * transpose[2];
|
|
const b = m[0] * transpose[1] + m[1] * transpose[3];
|
|
const c = m[2] * transpose[0] + m[3] * transpose[2];
|
|
const d = m[2] * transpose[1] + m[3] * transpose[3];
|
|
const first = (a + d) / 2;
|
|
const second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
|
|
const sx = first + second || 1;
|
|
const sy = first - second || 1;
|
|
return [Math.sqrt(sx), Math.sqrt(sy)];
|
|
}
|
|
|
|
static normalizeRect(rect) {
|
|
const r = rect.slice(0);
|
|
|
|
if (rect[0] > rect[2]) {
|
|
r[0] = rect[2];
|
|
r[2] = rect[0];
|
|
}
|
|
|
|
if (rect[1] > rect[3]) {
|
|
r[1] = rect[3];
|
|
r[3] = rect[1];
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
static intersect(rect1, rect2) {
|
|
function compare(a, b) {
|
|
return a - b;
|
|
}
|
|
|
|
const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
|
|
const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
|
|
const result = [];
|
|
rect1 = Util.normalizeRect(rect1);
|
|
rect2 = Util.normalizeRect(rect2);
|
|
|
|
if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
|
|
result[0] = orderedX[1];
|
|
result[2] = orderedX[2];
|
|
} else {
|
|
return null;
|
|
}
|
|
|
|
if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
|
|
result[1] = orderedY[1];
|
|
result[3] = orderedY[2];
|
|
} else {
|
|
return null;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
}
|
|
|
|
exports.Util = Util;
|
|
const PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
|
|
|
|
function stringToPDFString(str) {
|
|
const length = str.length,
|
|
strBuf = [];
|
|
|
|
if (str[0] === "\xFE" && str[1] === "\xFF") {
|
|
for (let i = 2; i < length; i += 2) {
|
|
strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
|
|
}
|
|
} else if (str[0] === "\xFF" && str[1] === "\xFE") {
|
|
for (let i = 2; i < length; i += 2) {
|
|
strBuf.push(String.fromCharCode(str.charCodeAt(i + 1) << 8 | str.charCodeAt(i)));
|
|
}
|
|
} else {
|
|
for (let i = 0; i < length; ++i) {
|
|
const code = PDFStringTranslateTable[str.charCodeAt(i)];
|
|
strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
|
|
}
|
|
}
|
|
|
|
return strBuf.join("");
|
|
}
|
|
|
|
function escapeString(str) {
|
|
return str.replace(/([\(\)\\])/g, "\\$1");
|
|
}
|
|
|
|
function stringToUTF8String(str) {
|
|
return decodeURIComponent(escape(str));
|
|
}
|
|
|
|
function utf8StringToString(str) {
|
|
return unescape(encodeURIComponent(str));
|
|
}
|
|
|
|
function isBool(v) {
|
|
return typeof v === "boolean";
|
|
}
|
|
|
|
function isNum(v) {
|
|
return typeof v === "number";
|
|
}
|
|
|
|
function isString(v) {
|
|
return typeof v === "string";
|
|
}
|
|
|
|
function isArrayBuffer(v) {
|
|
return typeof v === "object" && v !== null && v.byteLength !== undefined;
|
|
}
|
|
|
|
function isArrayEqual(arr1, arr2) {
|
|
if (arr1.length !== arr2.length) {
|
|
return false;
|
|
}
|
|
|
|
return arr1.every(function (element, index) {
|
|
return element === arr2[index];
|
|
});
|
|
}
|
|
|
|
function getModificationDate(date = new Date(Date.now())) {
|
|
const buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), (date.getUTCDate() + 1).toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
|
|
return buffer.join("");
|
|
}
|
|
|
|
function createPromiseCapability() {
|
|
const capability = Object.create(null);
|
|
let isSettled = false;
|
|
Object.defineProperty(capability, "settled", {
|
|
get() {
|
|
return isSettled;
|
|
}
|
|
|
|
});
|
|
capability.promise = new Promise(function (resolve, reject) {
|
|
capability.resolve = function (data) {
|
|
isSettled = true;
|
|
resolve(data);
|
|
};
|
|
|
|
capability.reject = function (reason) {
|
|
isSettled = true;
|
|
reject(reason);
|
|
};
|
|
});
|
|
return capability;
|
|
}
|
|
|
|
const createObjectURL = function createObjectURLClosure() {
|
|
const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
|
|
return function createObjectURL(data, contentType, forceDataSchema = false) {
|
|
if (!forceDataSchema && URL.createObjectURL) {
|
|
const blob = new Blob([data], {
|
|
type: contentType
|
|
});
|
|
return URL.createObjectURL(blob);
|
|
}
|
|
|
|
let buffer = `data:${contentType};base64,`;
|
|
|
|
for (let i = 0, ii = data.length; i < ii; i += 3) {
|
|
const b1 = data[i] & 0xff;
|
|
const b2 = data[i + 1] & 0xff;
|
|
const b3 = data[i + 2] & 0xff;
|
|
const d1 = b1 >> 2,
|
|
d2 = (b1 & 3) << 4 | b2 >> 4;
|
|
const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
|
|
const d4 = i + 2 < ii ? b3 & 0x3f : 64;
|
|
buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
|
|
}
|
|
|
|
return buffer;
|
|
};
|
|
}();
|
|
|
|
exports.createObjectURL = createObjectURL;
|
|
|
|
/***/ }),
|
|
/* 3 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
var _is_node = __w_pdfjs_require__(4);
|
|
|
|
;
|
|
|
|
/***/ }),
|
|
/* 4 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.isNodeJS = void 0;
|
|
const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
|
|
exports.isNodeJS = isNodeJS;
|
|
|
|
/***/ }),
|
|
/* 5 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.getDocument = getDocument;
|
|
exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
|
|
exports.build = exports.version = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFWorker = exports.PDFDataRangeTransport = exports.LoopbackPort = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
var _display_utils = __w_pdfjs_require__(1);
|
|
|
|
var _font_loader = __w_pdfjs_require__(6);
|
|
|
|
var _node_utils = __w_pdfjs_require__(7);
|
|
|
|
var _annotation_storage = __w_pdfjs_require__(8);
|
|
|
|
var _api_compatibility = __w_pdfjs_require__(9);
|
|
|
|
var _canvas = __w_pdfjs_require__(10);
|
|
|
|
var _worker_options = __w_pdfjs_require__(12);
|
|
|
|
var _is_node = __w_pdfjs_require__(4);
|
|
|
|
var _message_handler = __w_pdfjs_require__(13);
|
|
|
|
var _metadata = __w_pdfjs_require__(14);
|
|
|
|
var _optional_content_config = __w_pdfjs_require__(16);
|
|
|
|
var _transport_stream = __w_pdfjs_require__(17);
|
|
|
|
var _webgl = __w_pdfjs_require__(18);
|
|
|
|
const DEFAULT_RANGE_CHUNK_SIZE = 65536;
|
|
const RENDERING_CANCELLED_TIMEOUT = 100;
|
|
const DefaultCanvasFactory = _is_node.isNodeJS ? _node_utils.NodeCanvasFactory : _display_utils.DOMCanvasFactory;
|
|
const DefaultCMapReaderFactory = _is_node.isNodeJS ? _node_utils.NodeCMapReaderFactory : _display_utils.DOMCMapReaderFactory;
|
|
let createPDFNetworkStream;
|
|
|
|
function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
|
|
createPDFNetworkStream = pdfNetworkStreamFactory;
|
|
}
|
|
|
|
function getDocument(src) {
|
|
const task = new PDFDocumentLoadingTask();
|
|
let source;
|
|
|
|
if (typeof src === "string") {
|
|
source = {
|
|
url: src
|
|
};
|
|
} else if ((0, _util.isArrayBuffer)(src)) {
|
|
source = {
|
|
data: src
|
|
};
|
|
} else if (src instanceof PDFDataRangeTransport) {
|
|
source = {
|
|
range: src
|
|
};
|
|
} else {
|
|
if (typeof src !== "object") {
|
|
throw new Error("Invalid parameter in getDocument, " + "need either Uint8Array, string or a parameter object");
|
|
}
|
|
|
|
if (!src.url && !src.data && !src.range) {
|
|
throw new Error("Invalid parameter object: need either .data, .range or .url");
|
|
}
|
|
|
|
source = src;
|
|
}
|
|
|
|
const params = Object.create(null);
|
|
let rangeTransport = null,
|
|
worker = null;
|
|
|
|
for (const key in source) {
|
|
if (key === "url" && typeof window !== "undefined") {
|
|
params[key] = new URL(source[key], window.location).href;
|
|
continue;
|
|
} else if (key === "range") {
|
|
rangeTransport = source[key];
|
|
continue;
|
|
} else if (key === "worker") {
|
|
worker = source[key];
|
|
continue;
|
|
} else if (key === "data" && !(source[key] instanceof Uint8Array)) {
|
|
const pdfBytes = source[key];
|
|
|
|
if (typeof pdfBytes === "string") {
|
|
params[key] = (0, _util.stringToBytes)(pdfBytes);
|
|
} else if (typeof pdfBytes === "object" && pdfBytes !== null && !isNaN(pdfBytes.length)) {
|
|
params[key] = new Uint8Array(pdfBytes);
|
|
} else if ((0, _util.isArrayBuffer)(pdfBytes)) {
|
|
params[key] = new Uint8Array(pdfBytes);
|
|
} else {
|
|
throw new Error("Invalid PDF binary data: either typed array, " + "string or array-like object is expected in the " + "data property.");
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
params[key] = source[key];
|
|
}
|
|
|
|
params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
|
|
params.CMapReaderFactory = params.CMapReaderFactory || DefaultCMapReaderFactory;
|
|
params.ignoreErrors = params.stopAtErrors !== true;
|
|
params.fontExtraProperties = params.fontExtraProperties === true;
|
|
params.pdfBug = params.pdfBug === true;
|
|
|
|
if (!Number.isInteger(params.maxImageSize)) {
|
|
params.maxImageSize = -1;
|
|
}
|
|
|
|
if (typeof params.isEvalSupported !== "boolean") {
|
|
params.isEvalSupported = true;
|
|
}
|
|
|
|
if (typeof params.disableFontFace !== "boolean") {
|
|
params.disableFontFace = _api_compatibility.apiCompatibilityParams.disableFontFace || false;
|
|
}
|
|
|
|
if (typeof params.ownerDocument === "undefined") {
|
|
params.ownerDocument = globalThis.document;
|
|
}
|
|
|
|
if (typeof params.disableRange !== "boolean") {
|
|
params.disableRange = false;
|
|
}
|
|
|
|
if (typeof params.disableStream !== "boolean") {
|
|
params.disableStream = false;
|
|
}
|
|
|
|
if (typeof params.disableAutoFetch !== "boolean") {
|
|
params.disableAutoFetch = false;
|
|
}
|
|
|
|
(0, _util.setVerbosityLevel)(params.verbosity);
|
|
|
|
if (!worker) {
|
|
const workerParams = {
|
|
verbosity: params.verbosity,
|
|
port: _worker_options.GlobalWorkerOptions.workerPort
|
|
};
|
|
worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
|
|
task._worker = worker;
|
|
}
|
|
|
|
const docId = task.docId;
|
|
worker.promise.then(function () {
|
|
if (task.destroyed) {
|
|
throw new Error("Loading aborted");
|
|
}
|
|
|
|
const workerIdPromise = _fetchDocument(worker, params, rangeTransport, docId);
|
|
|
|
const networkStreamPromise = new Promise(function (resolve) {
|
|
let networkStream;
|
|
|
|
if (rangeTransport) {
|
|
networkStream = new _transport_stream.PDFDataTransportStream({
|
|
length: params.length,
|
|
initialData: params.initialData,
|
|
progressiveDone: params.progressiveDone,
|
|
disableRange: params.disableRange,
|
|
disableStream: params.disableStream
|
|
}, rangeTransport);
|
|
} else if (!params.data) {
|
|
networkStream = createPDFNetworkStream({
|
|
url: params.url,
|
|
length: params.length,
|
|
httpHeaders: params.httpHeaders,
|
|
withCredentials: params.withCredentials,
|
|
rangeChunkSize: params.rangeChunkSize,
|
|
disableRange: params.disableRange,
|
|
disableStream: params.disableStream
|
|
});
|
|
}
|
|
|
|
resolve(networkStream);
|
|
});
|
|
return Promise.all([workerIdPromise, networkStreamPromise]).then(function ([workerId, networkStream]) {
|
|
if (task.destroyed) {
|
|
throw new Error("Loading aborted");
|
|
}
|
|
|
|
const messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
|
|
messageHandler.postMessageTransfers = worker.postMessageTransfers;
|
|
const transport = new WorkerTransport(messageHandler, task, networkStream, params);
|
|
task._transport = transport;
|
|
messageHandler.send("Ready", null);
|
|
});
|
|
}).catch(task._capability.reject);
|
|
return task;
|
|
}
|
|
|
|
function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
|
|
if (worker.destroyed) {
|
|
return Promise.reject(new Error("Worker was destroyed"));
|
|
}
|
|
|
|
if (pdfDataRangeTransport) {
|
|
source.length = pdfDataRangeTransport.length;
|
|
source.initialData = pdfDataRangeTransport.initialData;
|
|
source.progressiveDone = pdfDataRangeTransport.progressiveDone;
|
|
}
|
|
|
|
return worker.messageHandler.sendWithPromise("GetDocRequest", {
|
|
docId,
|
|
apiVersion: '2.6.347',
|
|
source: {
|
|
data: source.data,
|
|
url: source.url,
|
|
password: source.password,
|
|
disableAutoFetch: source.disableAutoFetch,
|
|
rangeChunkSize: source.rangeChunkSize,
|
|
length: source.length
|
|
},
|
|
maxImageSize: source.maxImageSize,
|
|
disableFontFace: source.disableFontFace,
|
|
postMessageTransfers: worker.postMessageTransfers,
|
|
docBaseUrl: source.docBaseUrl,
|
|
ignoreErrors: source.ignoreErrors,
|
|
isEvalSupported: source.isEvalSupported,
|
|
fontExtraProperties: source.fontExtraProperties
|
|
}).then(function (workerId) {
|
|
if (worker.destroyed) {
|
|
throw new Error("Worker was destroyed");
|
|
}
|
|
|
|
return workerId;
|
|
});
|
|
}
|
|
|
|
const PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
|
|
let nextDocumentId = 0;
|
|
|
|
class PDFDocumentLoadingTask {
|
|
constructor() {
|
|
this._capability = (0, _util.createPromiseCapability)();
|
|
this._transport = null;
|
|
this._worker = null;
|
|
this.docId = "d" + nextDocumentId++;
|
|
this.destroyed = false;
|
|
this.onPassword = null;
|
|
this.onProgress = null;
|
|
this.onUnsupportedFeature = null;
|
|
}
|
|
|
|
get promise() {
|
|
return this._capability.promise;
|
|
}
|
|
|
|
destroy() {
|
|
this.destroyed = true;
|
|
const transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
|
|
return transportDestroyed.then(() => {
|
|
this._transport = null;
|
|
|
|
if (this._worker) {
|
|
this._worker.destroy();
|
|
|
|
this._worker = null;
|
|
}
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
return PDFDocumentLoadingTask;
|
|
}();
|
|
|
|
class PDFDataRangeTransport {
|
|
constructor(length, initialData, progressiveDone = false) {
|
|
this.length = length;
|
|
this.initialData = initialData;
|
|
this.progressiveDone = progressiveDone;
|
|
this._rangeListeners = [];
|
|
this._progressListeners = [];
|
|
this._progressiveReadListeners = [];
|
|
this._progressiveDoneListeners = [];
|
|
this._readyCapability = (0, _util.createPromiseCapability)();
|
|
}
|
|
|
|
addRangeListener(listener) {
|
|
this._rangeListeners.push(listener);
|
|
}
|
|
|
|
addProgressListener(listener) {
|
|
this._progressListeners.push(listener);
|
|
}
|
|
|
|
addProgressiveReadListener(listener) {
|
|
this._progressiveReadListeners.push(listener);
|
|
}
|
|
|
|
addProgressiveDoneListener(listener) {
|
|
this._progressiveDoneListeners.push(listener);
|
|
}
|
|
|
|
onDataRange(begin, chunk) {
|
|
for (const listener of this._rangeListeners) {
|
|
listener(begin, chunk);
|
|
}
|
|
}
|
|
|
|
onDataProgress(loaded, total) {
|
|
this._readyCapability.promise.then(() => {
|
|
for (const listener of this._progressListeners) {
|
|
listener(loaded, total);
|
|
}
|
|
});
|
|
}
|
|
|
|
onDataProgressiveRead(chunk) {
|
|
this._readyCapability.promise.then(() => {
|
|
for (const listener of this._progressiveReadListeners) {
|
|
listener(chunk);
|
|
}
|
|
});
|
|
}
|
|
|
|
onDataProgressiveDone() {
|
|
this._readyCapability.promise.then(() => {
|
|
for (const listener of this._progressiveDoneListeners) {
|
|
listener();
|
|
}
|
|
});
|
|
}
|
|
|
|
transportReady() {
|
|
this._readyCapability.resolve();
|
|
}
|
|
|
|
requestDataRange(begin, end) {
|
|
(0, _util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange");
|
|
}
|
|
|
|
abort() {}
|
|
|
|
}
|
|
|
|
exports.PDFDataRangeTransport = PDFDataRangeTransport;
|
|
|
|
class PDFDocumentProxy {
|
|
constructor(pdfInfo, transport) {
|
|
this._pdfInfo = pdfInfo;
|
|
this._transport = transport;
|
|
}
|
|
|
|
get annotationStorage() {
|
|
return (0, _util.shadow)(this, "annotationStorage", new _annotation_storage.AnnotationStorage());
|
|
}
|
|
|
|
get numPages() {
|
|
return this._pdfInfo.numPages;
|
|
}
|
|
|
|
get fingerprint() {
|
|
return this._pdfInfo.fingerprint;
|
|
}
|
|
|
|
getPage(pageNumber) {
|
|
return this._transport.getPage(pageNumber);
|
|
}
|
|
|
|
getPageIndex(ref) {
|
|
return this._transport.getPageIndex(ref);
|
|
}
|
|
|
|
getDestinations() {
|
|
return this._transport.getDestinations();
|
|
}
|
|
|
|
getDestination(id) {
|
|
return this._transport.getDestination(id);
|
|
}
|
|
|
|
getPageLabels() {
|
|
return this._transport.getPageLabels();
|
|
}
|
|
|
|
getPageLayout() {
|
|
return this._transport.getPageLayout();
|
|
}
|
|
|
|
getPageMode() {
|
|
return this._transport.getPageMode();
|
|
}
|
|
|
|
getViewerPreferences() {
|
|
return this._transport.getViewerPreferences();
|
|
}
|
|
|
|
getOpenAction() {
|
|
return this._transport.getOpenAction();
|
|
}
|
|
|
|
getAttachments() {
|
|
return this._transport.getAttachments();
|
|
}
|
|
|
|
getJavaScript() {
|
|
return this._transport.getJavaScript();
|
|
}
|
|
|
|
getOutline() {
|
|
return this._transport.getOutline();
|
|
}
|
|
|
|
getOptionalContentConfig() {
|
|
return this._transport.getOptionalContentConfig();
|
|
}
|
|
|
|
getPermissions() {
|
|
return this._transport.getPermissions();
|
|
}
|
|
|
|
getMetadata() {
|
|
return this._transport.getMetadata();
|
|
}
|
|
|
|
getData() {
|
|
return this._transport.getData();
|
|
}
|
|
|
|
getDownloadInfo() {
|
|
return this._transport.downloadInfoCapability.promise;
|
|
}
|
|
|
|
getStats() {
|
|
return this._transport.getStats();
|
|
}
|
|
|
|
cleanup() {
|
|
return this._transport.startCleanup();
|
|
}
|
|
|
|
destroy() {
|
|
return this.loadingTask.destroy();
|
|
}
|
|
|
|
get loadingParams() {
|
|
return this._transport.loadingParams;
|
|
}
|
|
|
|
get loadingTask() {
|
|
return this._transport.loadingTask;
|
|
}
|
|
|
|
saveDocument(annotationStorage) {
|
|
return this._transport.saveDocument(annotationStorage);
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFDocumentProxy = PDFDocumentProxy;
|
|
|
|
class PDFPageProxy {
|
|
constructor(pageIndex, pageInfo, transport, ownerDocument, pdfBug = false) {
|
|
this._pageIndex = pageIndex;
|
|
this._pageInfo = pageInfo;
|
|
this._ownerDocument = ownerDocument;
|
|
this._transport = transport;
|
|
this._stats = pdfBug ? new _display_utils.StatTimer() : null;
|
|
this._pdfBug = pdfBug;
|
|
this.commonObjs = transport.commonObjs;
|
|
this.objs = new PDFObjects();
|
|
this.cleanupAfterRender = false;
|
|
this.pendingCleanup = false;
|
|
this._intentStates = new Map();
|
|
this.destroyed = false;
|
|
}
|
|
|
|
get pageNumber() {
|
|
return this._pageIndex + 1;
|
|
}
|
|
|
|
get rotate() {
|
|
return this._pageInfo.rotate;
|
|
}
|
|
|
|
get ref() {
|
|
return this._pageInfo.ref;
|
|
}
|
|
|
|
get userUnit() {
|
|
return this._pageInfo.userUnit;
|
|
}
|
|
|
|
get view() {
|
|
return this._pageInfo.view;
|
|
}
|
|
|
|
getViewport({
|
|
scale,
|
|
rotation = this.rotate,
|
|
offsetX = 0,
|
|
offsetY = 0,
|
|
dontFlip = false
|
|
} = {}) {
|
|
return new _display_utils.PageViewport({
|
|
viewBox: this.view,
|
|
scale,
|
|
rotation,
|
|
offsetX,
|
|
offsetY,
|
|
dontFlip
|
|
});
|
|
}
|
|
|
|
getAnnotations({
|
|
intent = null
|
|
} = {}) {
|
|
if (!this.annotationsPromise || this.annotationsIntent !== intent) {
|
|
this.annotationsPromise = this._transport.getAnnotations(this._pageIndex, intent);
|
|
this.annotationsIntent = intent;
|
|
}
|
|
|
|
return this.annotationsPromise;
|
|
}
|
|
|
|
render({
|
|
canvasContext,
|
|
viewport,
|
|
intent = "display",
|
|
enableWebGL = false,
|
|
renderInteractiveForms = false,
|
|
transform = null,
|
|
imageLayer = null,
|
|
canvasFactory = null,
|
|
background = null,
|
|
annotationStorage = null,
|
|
optionalContentConfigPromise = null
|
|
}) {
|
|
if (this._stats) {
|
|
this._stats.time("Overall");
|
|
}
|
|
|
|
const renderingIntent = intent === "print" ? "print" : "display";
|
|
this.pendingCleanup = false;
|
|
|
|
if (!optionalContentConfigPromise) {
|
|
optionalContentConfigPromise = this._transport.getOptionalContentConfig();
|
|
}
|
|
|
|
let intentState = this._intentStates.get(renderingIntent);
|
|
|
|
if (!intentState) {
|
|
intentState = Object.create(null);
|
|
|
|
this._intentStates.set(renderingIntent, intentState);
|
|
}
|
|
|
|
if (intentState.streamReaderCancelTimeout) {
|
|
clearTimeout(intentState.streamReaderCancelTimeout);
|
|
intentState.streamReaderCancelTimeout = null;
|
|
}
|
|
|
|
const canvasFactoryInstance = canvasFactory || new DefaultCanvasFactory({
|
|
ownerDocument: this._ownerDocument
|
|
});
|
|
const webGLContext = new _webgl.WebGLContext({
|
|
enable: enableWebGL
|
|
});
|
|
|
|
if (!intentState.displayReadyCapability) {
|
|
intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
|
|
intentState.operatorList = {
|
|
fnArray: [],
|
|
argsArray: [],
|
|
lastChunk: false
|
|
};
|
|
|
|
if (this._stats) {
|
|
this._stats.time("Page Request");
|
|
}
|
|
|
|
this._pumpOperatorList({
|
|
pageIndex: this._pageIndex,
|
|
intent: renderingIntent,
|
|
renderInteractiveForms: renderInteractiveForms === true,
|
|
annotationStorage: annotationStorage && annotationStorage.getAll() || null
|
|
});
|
|
}
|
|
|
|
const complete = error => {
|
|
const i = intentState.renderTasks.indexOf(internalRenderTask);
|
|
|
|
if (i >= 0) {
|
|
intentState.renderTasks.splice(i, 1);
|
|
}
|
|
|
|
if (this.cleanupAfterRender || renderingIntent === "print") {
|
|
this.pendingCleanup = true;
|
|
}
|
|
|
|
this._tryCleanup();
|
|
|
|
if (error) {
|
|
internalRenderTask.capability.reject(error);
|
|
|
|
this._abortOperatorList({
|
|
intentState,
|
|
reason: error
|
|
});
|
|
} else {
|
|
internalRenderTask.capability.resolve();
|
|
}
|
|
|
|
if (this._stats) {
|
|
this._stats.timeEnd("Rendering");
|
|
|
|
this._stats.timeEnd("Overall");
|
|
}
|
|
};
|
|
|
|
const internalRenderTask = new InternalRenderTask({
|
|
callback: complete,
|
|
params: {
|
|
canvasContext,
|
|
viewport,
|
|
transform,
|
|
imageLayer,
|
|
background
|
|
},
|
|
objs: this.objs,
|
|
commonObjs: this.commonObjs,
|
|
operatorList: intentState.operatorList,
|
|
pageIndex: this._pageIndex,
|
|
canvasFactory: canvasFactoryInstance,
|
|
webGLContext,
|
|
useRequestAnimationFrame: renderingIntent !== "print",
|
|
pdfBug: this._pdfBug
|
|
});
|
|
|
|
if (!intentState.renderTasks) {
|
|
intentState.renderTasks = [];
|
|
}
|
|
|
|
intentState.renderTasks.push(internalRenderTask);
|
|
const renderTask = internalRenderTask.task;
|
|
Promise.all([intentState.displayReadyCapability.promise, optionalContentConfigPromise]).then(([transparency, optionalContentConfig]) => {
|
|
if (this.pendingCleanup) {
|
|
complete();
|
|
return;
|
|
}
|
|
|
|
if (this._stats) {
|
|
this._stats.time("Rendering");
|
|
}
|
|
|
|
internalRenderTask.initializeGraphics({
|
|
transparency,
|
|
optionalContentConfig
|
|
});
|
|
internalRenderTask.operatorListChanged();
|
|
}).catch(complete);
|
|
return renderTask;
|
|
}
|
|
|
|
getOperatorList() {
|
|
function operatorListChanged() {
|
|
if (intentState.operatorList.lastChunk) {
|
|
intentState.opListReadCapability.resolve(intentState.operatorList);
|
|
const i = intentState.renderTasks.indexOf(opListTask);
|
|
|
|
if (i >= 0) {
|
|
intentState.renderTasks.splice(i, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
const renderingIntent = "oplist";
|
|
|
|
let intentState = this._intentStates.get(renderingIntent);
|
|
|
|
if (!intentState) {
|
|
intentState = Object.create(null);
|
|
|
|
this._intentStates.set(renderingIntent, intentState);
|
|
}
|
|
|
|
let opListTask;
|
|
|
|
if (!intentState.opListReadCapability) {
|
|
opListTask = Object.create(null);
|
|
opListTask.operatorListChanged = operatorListChanged;
|
|
intentState.opListReadCapability = (0, _util.createPromiseCapability)();
|
|
intentState.renderTasks = [];
|
|
intentState.renderTasks.push(opListTask);
|
|
intentState.operatorList = {
|
|
fnArray: [],
|
|
argsArray: [],
|
|
lastChunk: false
|
|
};
|
|
|
|
if (this._stats) {
|
|
this._stats.time("Page Request");
|
|
}
|
|
|
|
this._pumpOperatorList({
|
|
pageIndex: this._pageIndex,
|
|
intent: renderingIntent
|
|
});
|
|
}
|
|
|
|
return intentState.opListReadCapability.promise;
|
|
}
|
|
|
|
streamTextContent({
|
|
normalizeWhitespace = false,
|
|
disableCombineTextItems = false
|
|
} = {}) {
|
|
const TEXT_CONTENT_CHUNK_SIZE = 100;
|
|
return this._transport.messageHandler.sendWithStream("GetTextContent", {
|
|
pageIndex: this._pageIndex,
|
|
normalizeWhitespace: normalizeWhitespace === true,
|
|
combineTextItems: disableCombineTextItems !== true
|
|
}, {
|
|
highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
|
|
|
|
size(textContent) {
|
|
return textContent.items.length;
|
|
}
|
|
|
|
});
|
|
}
|
|
|
|
getTextContent(params = {}) {
|
|
const readableStream = this.streamTextContent(params);
|
|
return new Promise(function (resolve, reject) {
|
|
function pump() {
|
|
reader.read().then(function ({
|
|
value,
|
|
done
|
|
}) {
|
|
if (done) {
|
|
resolve(textContent);
|
|
return;
|
|
}
|
|
|
|
Object.assign(textContent.styles, value.styles);
|
|
textContent.items.push(...value.items);
|
|
pump();
|
|
}, reject);
|
|
}
|
|
|
|
const reader = readableStream.getReader();
|
|
const textContent = {
|
|
items: [],
|
|
styles: Object.create(null)
|
|
};
|
|
pump();
|
|
});
|
|
}
|
|
|
|
_destroy() {
|
|
this.destroyed = true;
|
|
this._transport.pageCache[this._pageIndex] = null;
|
|
const waitOn = [];
|
|
|
|
for (const [intent, intentState] of this._intentStates) {
|
|
this._abortOperatorList({
|
|
intentState,
|
|
reason: new Error("Page was destroyed."),
|
|
force: true
|
|
});
|
|
|
|
if (intent === "oplist") {
|
|
continue;
|
|
}
|
|
|
|
for (const internalRenderTask of intentState.renderTasks) {
|
|
waitOn.push(internalRenderTask.completed);
|
|
internalRenderTask.cancel();
|
|
}
|
|
}
|
|
|
|
this.objs.clear();
|
|
this.annotationsPromise = null;
|
|
this.pendingCleanup = false;
|
|
return Promise.all(waitOn);
|
|
}
|
|
|
|
cleanup(resetStats = false) {
|
|
this.pendingCleanup = true;
|
|
return this._tryCleanup(resetStats);
|
|
}
|
|
|
|
_tryCleanup(resetStats = false) {
|
|
if (!this.pendingCleanup) {
|
|
return false;
|
|
}
|
|
|
|
for (const {
|
|
renderTasks,
|
|
operatorList
|
|
} of this._intentStates.values()) {
|
|
if (renderTasks.length !== 0 || !operatorList.lastChunk) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
this._intentStates.clear();
|
|
|
|
this.objs.clear();
|
|
this.annotationsPromise = null;
|
|
|
|
if (resetStats && this._stats) {
|
|
this._stats = new _display_utils.StatTimer();
|
|
}
|
|
|
|
this.pendingCleanup = false;
|
|
return true;
|
|
}
|
|
|
|
_startRenderPage(transparency, intent) {
|
|
const intentState = this._intentStates.get(intent);
|
|
|
|
if (!intentState) {
|
|
return;
|
|
}
|
|
|
|
if (this._stats) {
|
|
this._stats.timeEnd("Page Request");
|
|
}
|
|
|
|
if (intentState.displayReadyCapability) {
|
|
intentState.displayReadyCapability.resolve(transparency);
|
|
}
|
|
}
|
|
|
|
_renderPageChunk(operatorListChunk, intentState) {
|
|
for (let i = 0, ii = operatorListChunk.length; i < ii; i++) {
|
|
intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
|
|
intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
|
|
}
|
|
|
|
intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
|
|
|
|
for (let i = 0; i < intentState.renderTasks.length; i++) {
|
|
intentState.renderTasks[i].operatorListChanged();
|
|
}
|
|
|
|
if (operatorListChunk.lastChunk) {
|
|
this._tryCleanup();
|
|
}
|
|
}
|
|
|
|
_pumpOperatorList(args) {
|
|
(0, _util.assert)(args.intent, 'PDFPageProxy._pumpOperatorList: Expected "intent" argument.');
|
|
|
|
const readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", args);
|
|
|
|
const reader = readableStream.getReader();
|
|
|
|
const intentState = this._intentStates.get(args.intent);
|
|
|
|
intentState.streamReader = reader;
|
|
|
|
const pump = () => {
|
|
reader.read().then(({
|
|
value,
|
|
done
|
|
}) => {
|
|
if (done) {
|
|
intentState.streamReader = null;
|
|
return;
|
|
}
|
|
|
|
if (this._transport.destroyed) {
|
|
return;
|
|
}
|
|
|
|
this._renderPageChunk(value, intentState);
|
|
|
|
pump();
|
|
}, reason => {
|
|
intentState.streamReader = null;
|
|
|
|
if (this._transport.destroyed) {
|
|
return;
|
|
}
|
|
|
|
if (intentState.operatorList) {
|
|
intentState.operatorList.lastChunk = true;
|
|
|
|
for (let i = 0; i < intentState.renderTasks.length; i++) {
|
|
intentState.renderTasks[i].operatorListChanged();
|
|
}
|
|
|
|
this._tryCleanup();
|
|
}
|
|
|
|
if (intentState.displayReadyCapability) {
|
|
intentState.displayReadyCapability.reject(reason);
|
|
} else if (intentState.opListReadCapability) {
|
|
intentState.opListReadCapability.reject(reason);
|
|
} else {
|
|
throw reason;
|
|
}
|
|
});
|
|
};
|
|
|
|
pump();
|
|
}
|
|
|
|
_abortOperatorList({
|
|
intentState,
|
|
reason,
|
|
force = false
|
|
}) {
|
|
(0, _util.assert)(reason instanceof Error || typeof reason === "object" && reason !== null, 'PDFPageProxy._abortOperatorList: Expected "reason" argument.');
|
|
|
|
if (!intentState.streamReader) {
|
|
return;
|
|
}
|
|
|
|
if (!force) {
|
|
if (intentState.renderTasks.length !== 0) {
|
|
return;
|
|
}
|
|
|
|
if (reason instanceof _display_utils.RenderingCancelledException) {
|
|
intentState.streamReaderCancelTimeout = setTimeout(() => {
|
|
this._abortOperatorList({
|
|
intentState,
|
|
reason,
|
|
force: true
|
|
});
|
|
|
|
intentState.streamReaderCancelTimeout = null;
|
|
}, RENDERING_CANCELLED_TIMEOUT);
|
|
return;
|
|
}
|
|
}
|
|
|
|
intentState.streamReader.cancel(new _util.AbortException(reason && reason.message));
|
|
intentState.streamReader = null;
|
|
|
|
if (this._transport.destroyed) {
|
|
return;
|
|
}
|
|
|
|
for (const [intent, curIntentState] of this._intentStates) {
|
|
if (curIntentState === intentState) {
|
|
this._intentStates.delete(intent);
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
this.cleanup();
|
|
}
|
|
|
|
get stats() {
|
|
return this._stats;
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFPageProxy = PDFPageProxy;
|
|
|
|
class LoopbackPort {
|
|
constructor(defer = true) {
|
|
this._listeners = [];
|
|
this._defer = defer;
|
|
this._deferred = Promise.resolve(undefined);
|
|
}
|
|
|
|
postMessage(obj, transfers) {
|
|
function cloneValue(value) {
|
|
if (typeof value !== "object" || value === null) {
|
|
return value;
|
|
}
|
|
|
|
if (cloned.has(value)) {
|
|
return cloned.get(value);
|
|
}
|
|
|
|
let buffer, result;
|
|
|
|
if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) {
|
|
const transferable = transfers && transfers.includes(buffer);
|
|
|
|
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 (const i in value) {
|
|
let desc,
|
|
p = value;
|
|
|
|
while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
|
|
p = Object.getPrototypeOf(p);
|
|
}
|
|
|
|
if (typeof desc.value === "undefined") {
|
|
continue;
|
|
}
|
|
|
|
if (typeof desc.value === "function") {
|
|
if (value.hasOwnProperty && value.hasOwnProperty(i)) {
|
|
throw new Error(`LoopbackPort.postMessage - cannot clone: ${value[i]}`);
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
result[i] = cloneValue(desc.value);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
if (!this._defer) {
|
|
this._listeners.forEach(listener => {
|
|
listener.call(this, {
|
|
data: obj
|
|
});
|
|
});
|
|
|
|
return;
|
|
}
|
|
|
|
const cloned = new WeakMap();
|
|
const e = {
|
|
data: cloneValue(obj)
|
|
};
|
|
|
|
this._deferred.then(() => {
|
|
this._listeners.forEach(listener => {
|
|
listener.call(this, e);
|
|
});
|
|
});
|
|
}
|
|
|
|
addEventListener(name, listener) {
|
|
this._listeners.push(listener);
|
|
}
|
|
|
|
removeEventListener(name, listener) {
|
|
const i = this._listeners.indexOf(listener);
|
|
|
|
this._listeners.splice(i, 1);
|
|
}
|
|
|
|
terminate() {
|
|
this._listeners.length = 0;
|
|
}
|
|
|
|
}
|
|
|
|
exports.LoopbackPort = LoopbackPort;
|
|
|
|
const PDFWorker = function PDFWorkerClosure() {
|
|
const pdfWorkerPorts = new WeakMap();
|
|
let isWorkerDisabled = false;
|
|
let fallbackWorkerSrc;
|
|
let nextFakeWorkerId = 0;
|
|
let fakeWorkerCapability;
|
|
|
|
if (_is_node.isNodeJS && typeof require === "function") {
|
|
isWorkerDisabled = true;
|
|
fallbackWorkerSrc = "./pdf.worker.js";
|
|
} else if (typeof document === "object" && "currentScript" in document) {
|
|
const pdfjsFilePath = document.currentScript && document.currentScript.src;
|
|
|
|
if (pdfjsFilePath) {
|
|
fallbackWorkerSrc = pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, ".worker$1$2");
|
|
}
|
|
}
|
|
|
|
function getWorkerSrc() {
|
|
if (_worker_options.GlobalWorkerOptions.workerSrc) {
|
|
return _worker_options.GlobalWorkerOptions.workerSrc;
|
|
}
|
|
|
|
if (typeof fallbackWorkerSrc !== "undefined") {
|
|
if (!_is_node.isNodeJS) {
|
|
(0, _display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.');
|
|
}
|
|
|
|
return fallbackWorkerSrc;
|
|
}
|
|
|
|
throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
|
|
}
|
|
|
|
function getMainThreadWorkerMessageHandler() {
|
|
let mainWorkerMessageHandler;
|
|
|
|
try {
|
|
mainWorkerMessageHandler = globalThis.pdfjsWorker && globalThis.pdfjsWorker.WorkerMessageHandler;
|
|
} catch (ex) {}
|
|
|
|
return mainWorkerMessageHandler || null;
|
|
}
|
|
|
|
function setupFakeWorkerGlobal() {
|
|
if (fakeWorkerCapability) {
|
|
return fakeWorkerCapability.promise;
|
|
}
|
|
|
|
fakeWorkerCapability = (0, _util.createPromiseCapability)();
|
|
|
|
const loader = async function () {
|
|
const mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();
|
|
|
|
if (mainWorkerMessageHandler) {
|
|
return mainWorkerMessageHandler;
|
|
}
|
|
|
|
if (_is_node.isNodeJS && typeof require === "function") {
|
|
const worker = eval("require")(getWorkerSrc());
|
|
return worker.WorkerMessageHandler;
|
|
}
|
|
|
|
await (0, _display_utils.loadScript)(getWorkerSrc());
|
|
return window.pdfjsWorker.WorkerMessageHandler;
|
|
};
|
|
|
|
loader().then(fakeWorkerCapability.resolve, fakeWorkerCapability.reject);
|
|
return fakeWorkerCapability.promise;
|
|
}
|
|
|
|
function createCDNWrapper(url) {
|
|
const wrapper = "importScripts('" + url + "');";
|
|
return URL.createObjectURL(new Blob([wrapper]));
|
|
}
|
|
|
|
class PDFWorker {
|
|
constructor({
|
|
name = null,
|
|
port = null,
|
|
verbosity = (0, _util.getVerbosityLevel)()
|
|
} = {}) {
|
|
if (port && pdfWorkerPorts.has(port)) {
|
|
throw new Error("Cannot use more than one PDFWorker per port");
|
|
}
|
|
|
|
this.name = name;
|
|
this.destroyed = false;
|
|
this.postMessageTransfers = true;
|
|
this.verbosity = verbosity;
|
|
this._readyCapability = (0, _util.createPromiseCapability)();
|
|
this._port = null;
|
|
this._webWorker = null;
|
|
this._messageHandler = null;
|
|
|
|
if (port) {
|
|
pdfWorkerPorts.set(port, this);
|
|
|
|
this._initializeFromPort(port);
|
|
|
|
return;
|
|
}
|
|
|
|
this._initialize();
|
|
}
|
|
|
|
get promise() {
|
|
return this._readyCapability.promise;
|
|
}
|
|
|
|
get port() {
|
|
return this._port;
|
|
}
|
|
|
|
get messageHandler() {
|
|
return this._messageHandler;
|
|
}
|
|
|
|
_initializeFromPort(port) {
|
|
this._port = port;
|
|
this._messageHandler = new _message_handler.MessageHandler("main", "worker", port);
|
|
|
|
this._messageHandler.on("ready", function () {});
|
|
|
|
this._readyCapability.resolve();
|
|
}
|
|
|
|
_initialize() {
|
|
if (typeof Worker !== "undefined" && !isWorkerDisabled && !getMainThreadWorkerMessageHandler()) {
|
|
let workerSrc = getWorkerSrc();
|
|
|
|
try {
|
|
if (!(0, _util.isSameOrigin)(window.location.href, workerSrc)) {
|
|
workerSrc = createCDNWrapper(new URL(workerSrc, window.location).href);
|
|
}
|
|
|
|
const worker = new Worker(workerSrc);
|
|
const messageHandler = new _message_handler.MessageHandler("main", "worker", worker);
|
|
|
|
const terminateEarly = () => {
|
|
worker.removeEventListener("error", onWorkerError);
|
|
messageHandler.destroy();
|
|
worker.terminate();
|
|
|
|
if (this.destroyed) {
|
|
this._readyCapability.reject(new Error("Worker was destroyed"));
|
|
} else {
|
|
this._setupFakeWorker();
|
|
}
|
|
};
|
|
|
|
const onWorkerError = () => {
|
|
if (!this._webWorker) {
|
|
terminateEarly();
|
|
}
|
|
};
|
|
|
|
worker.addEventListener("error", onWorkerError);
|
|
messageHandler.on("test", data => {
|
|
worker.removeEventListener("error", onWorkerError);
|
|
|
|
if (this.destroyed) {
|
|
terminateEarly();
|
|
return;
|
|
}
|
|
|
|
if (data) {
|
|
this._messageHandler = messageHandler;
|
|
this._port = worker;
|
|
this._webWorker = worker;
|
|
|
|
if (!data.supportTransfers) {
|
|
this.postMessageTransfers = false;
|
|
}
|
|
|
|
this._readyCapability.resolve();
|
|
|
|
messageHandler.send("configure", {
|
|
verbosity: this.verbosity
|
|
});
|
|
} else {
|
|
this._setupFakeWorker();
|
|
|
|
messageHandler.destroy();
|
|
worker.terminate();
|
|
}
|
|
});
|
|
messageHandler.on("ready", data => {
|
|
worker.removeEventListener("error", onWorkerError);
|
|
|
|
if (this.destroyed) {
|
|
terminateEarly();
|
|
return;
|
|
}
|
|
|
|
try {
|
|
sendTest();
|
|
} catch (e) {
|
|
this._setupFakeWorker();
|
|
}
|
|
});
|
|
|
|
const sendTest = () => {
|
|
const testObj = new Uint8Array([this.postMessageTransfers ? 255 : 0]);
|
|
|
|
try {
|
|
messageHandler.send("test", testObj, [testObj.buffer]);
|
|
} catch (ex) {
|
|
(0, _util.warn)("Cannot use postMessage transfers.");
|
|
testObj[0] = 0;
|
|
messageHandler.send("test", testObj);
|
|
}
|
|
};
|
|
|
|
sendTest();
|
|
return;
|
|
} catch (e) {
|
|
(0, _util.info)("The worker has been disabled.");
|
|
}
|
|
}
|
|
|
|
this._setupFakeWorker();
|
|
}
|
|
|
|
_setupFakeWorker() {
|
|
if (!isWorkerDisabled) {
|
|
(0, _util.warn)("Setting up fake worker.");
|
|
isWorkerDisabled = true;
|
|
}
|
|
|
|
setupFakeWorkerGlobal().then(WorkerMessageHandler => {
|
|
if (this.destroyed) {
|
|
this._readyCapability.reject(new Error("Worker was destroyed"));
|
|
|
|
return;
|
|
}
|
|
|
|
const port = new LoopbackPort();
|
|
this._port = port;
|
|
const id = "fake" + nextFakeWorkerId++;
|
|
const workerHandler = new _message_handler.MessageHandler(id + "_worker", id, port);
|
|
WorkerMessageHandler.setup(workerHandler, port);
|
|
const messageHandler = new _message_handler.MessageHandler(id, id + "_worker", port);
|
|
this._messageHandler = messageHandler;
|
|
|
|
this._readyCapability.resolve();
|
|
|
|
messageHandler.send("configure", {
|
|
verbosity: this.verbosity
|
|
});
|
|
}).catch(reason => {
|
|
this._readyCapability.reject(new Error(`Setting up fake worker failed: "${reason.message}".`));
|
|
});
|
|
}
|
|
|
|
destroy() {
|
|
this.destroyed = true;
|
|
|
|
if (this._webWorker) {
|
|
this._webWorker.terminate();
|
|
|
|
this._webWorker = null;
|
|
}
|
|
|
|
pdfWorkerPorts.delete(this._port);
|
|
this._port = null;
|
|
|
|
if (this._messageHandler) {
|
|
this._messageHandler.destroy();
|
|
|
|
this._messageHandler = null;
|
|
}
|
|
}
|
|
|
|
static fromPort(params) {
|
|
if (!params || !params.port) {
|
|
throw new Error("PDFWorker.fromPort - invalid method signature.");
|
|
}
|
|
|
|
if (pdfWorkerPorts.has(params.port)) {
|
|
return pdfWorkerPorts.get(params.port);
|
|
}
|
|
|
|
return new PDFWorker(params);
|
|
}
|
|
|
|
static getWorkerSrc() {
|
|
return getWorkerSrc();
|
|
}
|
|
|
|
}
|
|
|
|
return PDFWorker;
|
|
}();
|
|
|
|
exports.PDFWorker = PDFWorker;
|
|
|
|
class WorkerTransport {
|
|
constructor(messageHandler, loadingTask, networkStream, params) {
|
|
this.messageHandler = messageHandler;
|
|
this.loadingTask = loadingTask;
|
|
this.commonObjs = new PDFObjects();
|
|
this.fontLoader = new _font_loader.FontLoader({
|
|
docId: loadingTask.docId,
|
|
onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
|
|
ownerDocument: params.ownerDocument
|
|
});
|
|
this._params = params;
|
|
this.CMapReaderFactory = new params.CMapReaderFactory({
|
|
baseUrl: params.cMapUrl,
|
|
isCompressed: params.cMapPacked
|
|
});
|
|
this.destroyed = false;
|
|
this.destroyCapability = null;
|
|
this._passwordCapability = null;
|
|
this._networkStream = networkStream;
|
|
this._fullReader = null;
|
|
this._lastProgress = null;
|
|
this.pageCache = [];
|
|
this.pagePromises = [];
|
|
this.downloadInfoCapability = (0, _util.createPromiseCapability)();
|
|
this.setupMessageHandler();
|
|
}
|
|
|
|
destroy() {
|
|
if (this.destroyCapability) {
|
|
return this.destroyCapability.promise;
|
|
}
|
|
|
|
this.destroyed = true;
|
|
this.destroyCapability = (0, _util.createPromiseCapability)();
|
|
|
|
if (this._passwordCapability) {
|
|
this._passwordCapability.reject(new Error("Worker was destroyed during onPassword callback"));
|
|
}
|
|
|
|
const waitOn = [];
|
|
this.pageCache.forEach(function (page) {
|
|
if (page) {
|
|
waitOn.push(page._destroy());
|
|
}
|
|
});
|
|
this.pageCache.length = 0;
|
|
this.pagePromises.length = 0;
|
|
const terminated = this.messageHandler.sendWithPromise("Terminate", null);
|
|
waitOn.push(terminated);
|
|
Promise.all(waitOn).then(() => {
|
|
this.fontLoader.clear();
|
|
|
|
if (this._networkStream) {
|
|
this._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated."));
|
|
}
|
|
|
|
if (this.messageHandler) {
|
|
this.messageHandler.destroy();
|
|
this.messageHandler = null;
|
|
}
|
|
|
|
this.destroyCapability.resolve();
|
|
}, this.destroyCapability.reject);
|
|
return this.destroyCapability.promise;
|
|
}
|
|
|
|
setupMessageHandler() {
|
|
const {
|
|
messageHandler,
|
|
loadingTask
|
|
} = this;
|
|
messageHandler.on("GetReader", (data, sink) => {
|
|
(0, _util.assert)(this._networkStream, "GetReader - no `IPDFStream` instance available.");
|
|
this._fullReader = this._networkStream.getFullReader();
|
|
|
|
this._fullReader.onProgress = evt => {
|
|
this._lastProgress = {
|
|
loaded: evt.loaded,
|
|
total: evt.total
|
|
};
|
|
};
|
|
|
|
sink.onPull = () => {
|
|
this._fullReader.read().then(function ({
|
|
value,
|
|
done
|
|
}) {
|
|
if (done) {
|
|
sink.close();
|
|
return;
|
|
}
|
|
|
|
(0, _util.assert)((0, _util.isArrayBuffer)(value), "GetReader - expected an ArrayBuffer.");
|
|
sink.enqueue(new Uint8Array(value), 1, [value]);
|
|
}).catch(reason => {
|
|
sink.error(reason);
|
|
});
|
|
};
|
|
|
|
sink.onCancel = reason => {
|
|
this._fullReader.cancel(reason);
|
|
|
|
sink.ready.catch(readyReason => {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
throw readyReason;
|
|
});
|
|
};
|
|
});
|
|
messageHandler.on("ReaderHeadersReady", data => {
|
|
const headersCapability = (0, _util.createPromiseCapability)();
|
|
const fullReader = this._fullReader;
|
|
fullReader.headersReady.then(() => {
|
|
if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
|
|
if (this._lastProgress && loadingTask.onProgress) {
|
|
loadingTask.onProgress(this._lastProgress);
|
|
}
|
|
|
|
fullReader.onProgress = evt => {
|
|
if (loadingTask.onProgress) {
|
|
loadingTask.onProgress({
|
|
loaded: evt.loaded,
|
|
total: evt.total
|
|
});
|
|
}
|
|
};
|
|
}
|
|
|
|
headersCapability.resolve({
|
|
isStreamingSupported: fullReader.isStreamingSupported,
|
|
isRangeSupported: fullReader.isRangeSupported,
|
|
contentLength: fullReader.contentLength
|
|
});
|
|
}, headersCapability.reject);
|
|
return headersCapability.promise;
|
|
});
|
|
messageHandler.on("GetRangeReader", (data, sink) => {
|
|
(0, _util.assert)(this._networkStream, "GetRangeReader - no `IPDFStream` instance available.");
|
|
|
|
const rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
|
|
|
|
if (!rangeReader) {
|
|
sink.close();
|
|
return;
|
|
}
|
|
|
|
sink.onPull = () => {
|
|
rangeReader.read().then(function ({
|
|
value,
|
|
done
|
|
}) {
|
|
if (done) {
|
|
sink.close();
|
|
return;
|
|
}
|
|
|
|
(0, _util.assert)((0, _util.isArrayBuffer)(value), "GetRangeReader - expected an ArrayBuffer.");
|
|
sink.enqueue(new Uint8Array(value), 1, [value]);
|
|
}).catch(reason => {
|
|
sink.error(reason);
|
|
});
|
|
};
|
|
|
|
sink.onCancel = reason => {
|
|
rangeReader.cancel(reason);
|
|
sink.ready.catch(readyReason => {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
throw readyReason;
|
|
});
|
|
};
|
|
});
|
|
messageHandler.on("GetDoc", ({
|
|
pdfInfo
|
|
}) => {
|
|
this._numPages = pdfInfo.numPages;
|
|
|
|
loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));
|
|
});
|
|
messageHandler.on("DocException", function (ex) {
|
|
let reason;
|
|
|
|
switch (ex.name) {
|
|
case "PasswordException":
|
|
reason = new _util.PasswordException(ex.message, ex.code);
|
|
break;
|
|
|
|
case "InvalidPDFException":
|
|
reason = new _util.InvalidPDFException(ex.message);
|
|
break;
|
|
|
|
case "MissingPDFException":
|
|
reason = new _util.MissingPDFException(ex.message);
|
|
break;
|
|
|
|
case "UnexpectedResponseException":
|
|
reason = new _util.UnexpectedResponseException(ex.message, ex.status);
|
|
break;
|
|
|
|
case "UnknownErrorException":
|
|
reason = new _util.UnknownErrorException(ex.message, ex.details);
|
|
break;
|
|
}
|
|
|
|
if (!(reason instanceof Error)) {
|
|
const msg = "DocException - expected a valid Error.";
|
|
(0, _util.warn)(msg);
|
|
}
|
|
|
|
loadingTask._capability.reject(reason);
|
|
});
|
|
messageHandler.on("PasswordRequest", exception => {
|
|
this._passwordCapability = (0, _util.createPromiseCapability)();
|
|
|
|
if (loadingTask.onPassword) {
|
|
const updatePassword = password => {
|
|
this._passwordCapability.resolve({
|
|
password
|
|
});
|
|
};
|
|
|
|
try {
|
|
loadingTask.onPassword(updatePassword, exception.code);
|
|
} catch (ex) {
|
|
this._passwordCapability.reject(ex);
|
|
}
|
|
} else {
|
|
this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code));
|
|
}
|
|
|
|
return this._passwordCapability.promise;
|
|
});
|
|
messageHandler.on("DataLoaded", data => {
|
|
if (loadingTask.onProgress) {
|
|
loadingTask.onProgress({
|
|
loaded: data.length,
|
|
total: data.length
|
|
});
|
|
}
|
|
|
|
this.downloadInfoCapability.resolve(data);
|
|
});
|
|
messageHandler.on("StartRenderPage", data => {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
const page = this.pageCache[data.pageIndex];
|
|
|
|
page._startRenderPage(data.transparency, data.intent);
|
|
});
|
|
messageHandler.on("commonobj", data => {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
const [id, type, exportedData] = data;
|
|
|
|
if (this.commonObjs.has(id)) {
|
|
return;
|
|
}
|
|
|
|
switch (type) {
|
|
case "Font":
|
|
const params = this._params;
|
|
|
|
if ("error" in exportedData) {
|
|
const exportedError = exportedData.error;
|
|
(0, _util.warn)(`Error during font loading: ${exportedError}`);
|
|
this.commonObjs.resolve(id, exportedError);
|
|
break;
|
|
}
|
|
|
|
let fontRegistry = null;
|
|
|
|
if (params.pdfBug && globalThis.FontInspector && globalThis.FontInspector.enabled) {
|
|
fontRegistry = {
|
|
registerFont(font, url) {
|
|
globalThis.FontInspector.fontAdded(font, url);
|
|
}
|
|
|
|
};
|
|
}
|
|
|
|
const font = new _font_loader.FontFaceObject(exportedData, {
|
|
isEvalSupported: params.isEvalSupported,
|
|
disableFontFace: params.disableFontFace,
|
|
ignoreErrors: params.ignoreErrors,
|
|
onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
|
|
fontRegistry
|
|
});
|
|
this.fontLoader.bind(font).catch(reason => {
|
|
return messageHandler.sendWithPromise("FontFallback", {
|
|
id
|
|
});
|
|
}).finally(() => {
|
|
if (!params.fontExtraProperties && font.data) {
|
|
font.data = null;
|
|
}
|
|
|
|
this.commonObjs.resolve(id, font);
|
|
});
|
|
break;
|
|
|
|
case "FontPath":
|
|
case "Image":
|
|
this.commonObjs.resolve(id, exportedData);
|
|
break;
|
|
|
|
default:
|
|
throw new Error(`Got unknown common object type ${type}`);
|
|
}
|
|
});
|
|
messageHandler.on("obj", data => {
|
|
if (this.destroyed) {
|
|
return undefined;
|
|
}
|
|
|
|
const [id, pageIndex, type, imageData] = data;
|
|
const pageProxy = this.pageCache[pageIndex];
|
|
|
|
if (pageProxy.objs.has(id)) {
|
|
return undefined;
|
|
}
|
|
|
|
switch (type) {
|
|
case "Image":
|
|
pageProxy.objs.resolve(id, imageData);
|
|
const MAX_IMAGE_SIZE_TO_STORE = 8000000;
|
|
|
|
if (imageData && "data" in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
|
|
pageProxy.cleanupAfterRender = true;
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
throw new Error(`Got unknown object type ${type}`);
|
|
}
|
|
|
|
return undefined;
|
|
});
|
|
messageHandler.on("DocProgress", data => {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
if (loadingTask.onProgress) {
|
|
loadingTask.onProgress({
|
|
loaded: data.loaded,
|
|
total: data.total
|
|
});
|
|
}
|
|
});
|
|
messageHandler.on("UnsupportedFeature", this._onUnsupportedFeature.bind(this));
|
|
messageHandler.on("FetchBuiltInCMap", (data, sink) => {
|
|
if (this.destroyed) {
|
|
sink.error(new Error("Worker was destroyed"));
|
|
return;
|
|
}
|
|
|
|
let fetched = false;
|
|
|
|
sink.onPull = () => {
|
|
if (fetched) {
|
|
sink.close();
|
|
return;
|
|
}
|
|
|
|
fetched = true;
|
|
this.CMapReaderFactory.fetch(data).then(function (builtInCMap) {
|
|
sink.enqueue(builtInCMap, 1, [builtInCMap.cMapData.buffer]);
|
|
}).catch(function (reason) {
|
|
sink.error(reason);
|
|
});
|
|
};
|
|
});
|
|
}
|
|
|
|
_onUnsupportedFeature({
|
|
featureId
|
|
}) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
if (this.loadingTask.onUnsupportedFeature) {
|
|
this.loadingTask.onUnsupportedFeature(featureId);
|
|
}
|
|
}
|
|
|
|
getData() {
|
|
return this.messageHandler.sendWithPromise("GetData", null);
|
|
}
|
|
|
|
getPage(pageNumber) {
|
|
if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
|
|
return Promise.reject(new Error("Invalid page request"));
|
|
}
|
|
|
|
const pageIndex = pageNumber - 1;
|
|
|
|
if (pageIndex in this.pagePromises) {
|
|
return this.pagePromises[pageIndex];
|
|
}
|
|
|
|
const promise = this.messageHandler.sendWithPromise("GetPage", {
|
|
pageIndex
|
|
}).then(pageInfo => {
|
|
if (this.destroyed) {
|
|
throw new Error("Transport destroyed");
|
|
}
|
|
|
|
const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.ownerDocument, this._params.pdfBug);
|
|
this.pageCache[pageIndex] = page;
|
|
return page;
|
|
});
|
|
this.pagePromises[pageIndex] = promise;
|
|
return promise;
|
|
}
|
|
|
|
getPageIndex(ref) {
|
|
return this.messageHandler.sendWithPromise("GetPageIndex", {
|
|
ref
|
|
}).catch(function (reason) {
|
|
return Promise.reject(new Error(reason));
|
|
});
|
|
}
|
|
|
|
getAnnotations(pageIndex, intent) {
|
|
return this.messageHandler.sendWithPromise("GetAnnotations", {
|
|
pageIndex,
|
|
intent
|
|
});
|
|
}
|
|
|
|
saveDocument(annotationStorage) {
|
|
return this.messageHandler.sendWithPromise("SaveDocument", {
|
|
numPages: this._numPages,
|
|
annotationStorage: annotationStorage && annotationStorage.getAll() || null,
|
|
filename: this._fullReader ? this._fullReader.filename : null
|
|
}).finally(() => {
|
|
if (annotationStorage) {
|
|
annotationStorage.resetModified();
|
|
}
|
|
});
|
|
}
|
|
|
|
getDestinations() {
|
|
return this.messageHandler.sendWithPromise("GetDestinations", null);
|
|
}
|
|
|
|
getDestination(id) {
|
|
if (typeof id !== "string") {
|
|
return Promise.reject(new Error("Invalid destination request."));
|
|
}
|
|
|
|
return this.messageHandler.sendWithPromise("GetDestination", {
|
|
id
|
|
});
|
|
}
|
|
|
|
getPageLabels() {
|
|
return this.messageHandler.sendWithPromise("GetPageLabels", null);
|
|
}
|
|
|
|
getPageLayout() {
|
|
return this.messageHandler.sendWithPromise("GetPageLayout", null);
|
|
}
|
|
|
|
getPageMode() {
|
|
return this.messageHandler.sendWithPromise("GetPageMode", null);
|
|
}
|
|
|
|
getViewerPreferences() {
|
|
return this.messageHandler.sendWithPromise("GetViewerPreferences", null);
|
|
}
|
|
|
|
getOpenAction() {
|
|
return this.messageHandler.sendWithPromise("GetOpenAction", null);
|
|
}
|
|
|
|
getAttachments() {
|
|
return this.messageHandler.sendWithPromise("GetAttachments", null);
|
|
}
|
|
|
|
getJavaScript() {
|
|
return this.messageHandler.sendWithPromise("GetJavaScript", null);
|
|
}
|
|
|
|
getOutline() {
|
|
return this.messageHandler.sendWithPromise("GetOutline", null);
|
|
}
|
|
|
|
getOptionalContentConfig() {
|
|
return this.messageHandler.sendWithPromise("GetOptionalContentConfig", null).then(results => {
|
|
return new _optional_content_config.OptionalContentConfig(results);
|
|
});
|
|
}
|
|
|
|
getPermissions() {
|
|
return this.messageHandler.sendWithPromise("GetPermissions", null);
|
|
}
|
|
|
|
getMetadata() {
|
|
return this.messageHandler.sendWithPromise("GetMetadata", null).then(results => {
|
|
return {
|
|
info: results[0],
|
|
metadata: results[1] ? new _metadata.Metadata(results[1]) : null,
|
|
contentDispositionFilename: this._fullReader ? this._fullReader.filename : null
|
|
};
|
|
});
|
|
}
|
|
|
|
getStats() {
|
|
return this.messageHandler.sendWithPromise("GetStats", null);
|
|
}
|
|
|
|
startCleanup() {
|
|
return this.messageHandler.sendWithPromise("Cleanup", null).then(() => {
|
|
for (let i = 0, ii = this.pageCache.length; i < ii; i++) {
|
|
const page = this.pageCache[i];
|
|
|
|
if (page) {
|
|
const cleanupSuccessful = page.cleanup();
|
|
|
|
if (!cleanupSuccessful) {
|
|
throw new Error(`startCleanup: Page ${i + 1} is currently rendering.`);
|
|
}
|
|
}
|
|
}
|
|
|
|
this.commonObjs.clear();
|
|
this.fontLoader.clear();
|
|
});
|
|
}
|
|
|
|
get loadingParams() {
|
|
const params = this._params;
|
|
return (0, _util.shadow)(this, "loadingParams", {
|
|
disableAutoFetch: params.disableAutoFetch,
|
|
disableFontFace: params.disableFontFace
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
class PDFObjects {
|
|
constructor() {
|
|
this._objs = Object.create(null);
|
|
}
|
|
|
|
_ensureObj(objId) {
|
|
if (this._objs[objId]) {
|
|
return this._objs[objId];
|
|
}
|
|
|
|
return this._objs[objId] = {
|
|
capability: (0, _util.createPromiseCapability)(),
|
|
data: null,
|
|
resolved: false
|
|
};
|
|
}
|
|
|
|
get(objId, callback = null) {
|
|
if (callback) {
|
|
this._ensureObj(objId).capability.promise.then(callback);
|
|
|
|
return null;
|
|
}
|
|
|
|
const obj = this._objs[objId];
|
|
|
|
if (!obj || !obj.resolved) {
|
|
throw new Error(`Requesting object that isn't resolved yet ${objId}.`);
|
|
}
|
|
|
|
return obj.data;
|
|
}
|
|
|
|
has(objId) {
|
|
const obj = this._objs[objId];
|
|
return obj ? obj.resolved : false;
|
|
}
|
|
|
|
resolve(objId, data) {
|
|
const obj = this._ensureObj(objId);
|
|
|
|
obj.resolved = true;
|
|
obj.data = data;
|
|
obj.capability.resolve(data);
|
|
}
|
|
|
|
clear() {
|
|
this._objs = Object.create(null);
|
|
}
|
|
|
|
}
|
|
|
|
class RenderTask {
|
|
constructor(internalRenderTask) {
|
|
this._internalRenderTask = internalRenderTask;
|
|
this.onContinue = null;
|
|
}
|
|
|
|
get promise() {
|
|
return this._internalRenderTask.capability.promise;
|
|
}
|
|
|
|
cancel() {
|
|
this._internalRenderTask.cancel();
|
|
}
|
|
|
|
}
|
|
|
|
const InternalRenderTask = function InternalRenderTaskClosure() {
|
|
const canvasInRendering = new WeakSet();
|
|
|
|
class InternalRenderTask {
|
|
constructor({
|
|
callback,
|
|
params,
|
|
objs,
|
|
commonObjs,
|
|
operatorList,
|
|
pageIndex,
|
|
canvasFactory,
|
|
webGLContext,
|
|
useRequestAnimationFrame = false,
|
|
pdfBug = false
|
|
}) {
|
|
this.callback = callback;
|
|
this.params = params;
|
|
this.objs = objs;
|
|
this.commonObjs = commonObjs;
|
|
this.operatorListIdx = null;
|
|
this.operatorList = operatorList;
|
|
this._pageIndex = pageIndex;
|
|
this.canvasFactory = canvasFactory;
|
|
this.webGLContext = webGLContext;
|
|
this._pdfBug = pdfBug;
|
|
this.running = false;
|
|
this.graphicsReadyCallback = null;
|
|
this.graphicsReady = false;
|
|
this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined";
|
|
this.cancelled = false;
|
|
this.capability = (0, _util.createPromiseCapability)();
|
|
this.task = new RenderTask(this);
|
|
this._continueBound = this._continue.bind(this);
|
|
this._scheduleNextBound = this._scheduleNext.bind(this);
|
|
this._nextBound = this._next.bind(this);
|
|
this._canvas = params.canvasContext.canvas;
|
|
}
|
|
|
|
get completed() {
|
|
return this.capability.promise.catch(function () {});
|
|
}
|
|
|
|
initializeGraphics({
|
|
transparency = false,
|
|
optionalContentConfig
|
|
}) {
|
|
if (this.cancelled) {
|
|
return;
|
|
}
|
|
|
|
if (this._canvas) {
|
|
if (canvasInRendering.has(this._canvas)) {
|
|
throw new Error("Cannot use the same canvas during multiple render() operations. " + "Use different canvas or ensure previous operations were " + "cancelled or completed.");
|
|
}
|
|
|
|
canvasInRendering.add(this._canvas);
|
|
}
|
|
|
|
if (this._pdfBug && globalThis.StepperManager && globalThis.StepperManager.enabled) {
|
|
this.stepper = globalThis.StepperManager.create(this._pageIndex);
|
|
this.stepper.init(this.operatorList);
|
|
this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
|
|
}
|
|
|
|
const {
|
|
canvasContext,
|
|
viewport,
|
|
transform,
|
|
imageLayer,
|
|
background
|
|
} = this.params;
|
|
this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext, imageLayer, optionalContentConfig);
|
|
this.gfx.beginDrawing({
|
|
transform,
|
|
viewport,
|
|
transparency,
|
|
background
|
|
});
|
|
this.operatorListIdx = 0;
|
|
this.graphicsReady = true;
|
|
|
|
if (this.graphicsReadyCallback) {
|
|
this.graphicsReadyCallback();
|
|
}
|
|
}
|
|
|
|
cancel(error = null) {
|
|
this.running = false;
|
|
this.cancelled = true;
|
|
|
|
if (this.gfx) {
|
|
this.gfx.endDrawing();
|
|
}
|
|
|
|
if (this._canvas) {
|
|
canvasInRendering.delete(this._canvas);
|
|
}
|
|
|
|
this.callback(error || new _display_utils.RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, "canvas"));
|
|
}
|
|
|
|
operatorListChanged() {
|
|
if (!this.graphicsReady) {
|
|
if (!this.graphicsReadyCallback) {
|
|
this.graphicsReadyCallback = this._continueBound;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (this.stepper) {
|
|
this.stepper.updateOperatorList(this.operatorList);
|
|
}
|
|
|
|
if (this.running) {
|
|
return;
|
|
}
|
|
|
|
this._continue();
|
|
}
|
|
|
|
_continue() {
|
|
this.running = true;
|
|
|
|
if (this.cancelled) {
|
|
return;
|
|
}
|
|
|
|
if (this.task.onContinue) {
|
|
this.task.onContinue(this._scheduleNextBound);
|
|
} else {
|
|
this._scheduleNext();
|
|
}
|
|
}
|
|
|
|
_scheduleNext() {
|
|
if (this._useRequestAnimationFrame) {
|
|
window.requestAnimationFrame(() => {
|
|
this._nextBound().catch(this.cancel.bind(this));
|
|
});
|
|
} else {
|
|
Promise.resolve().then(this._nextBound).catch(this.cancel.bind(this));
|
|
}
|
|
}
|
|
|
|
async _next() {
|
|
if (this.cancelled) {
|
|
return;
|
|
}
|
|
|
|
this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
|
|
|
|
if (this.operatorListIdx === this.operatorList.argsArray.length) {
|
|
this.running = false;
|
|
|
|
if (this.operatorList.lastChunk) {
|
|
this.gfx.endDrawing();
|
|
|
|
if (this._canvas) {
|
|
canvasInRendering.delete(this._canvas);
|
|
}
|
|
|
|
this.callback();
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
return InternalRenderTask;
|
|
}();
|
|
|
|
const version = '2.6.347';
|
|
exports.version = version;
|
|
const build = '3be9c65f';
|
|
exports.build = build;
|
|
|
|
/***/ }),
|
|
/* 6 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.FontLoader = exports.FontFaceObject = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
class BaseFontLoader {
|
|
constructor({
|
|
docId,
|
|
onUnsupportedFeature,
|
|
ownerDocument = globalThis.document
|
|
}) {
|
|
if (this.constructor === BaseFontLoader) {
|
|
(0, _util.unreachable)("Cannot initialize BaseFontLoader.");
|
|
}
|
|
|
|
this.docId = docId;
|
|
this._onUnsupportedFeature = onUnsupportedFeature;
|
|
this._document = ownerDocument;
|
|
this.nativeFontFaces = [];
|
|
this.styleElement = null;
|
|
}
|
|
|
|
addNativeFontFace(nativeFontFace) {
|
|
this.nativeFontFaces.push(nativeFontFace);
|
|
|
|
this._document.fonts.add(nativeFontFace);
|
|
}
|
|
|
|
insertRule(rule) {
|
|
let styleElement = this.styleElement;
|
|
|
|
if (!styleElement) {
|
|
styleElement = this.styleElement = this._document.createElement("style");
|
|
styleElement.id = `PDFJS_FONT_STYLE_TAG_${this.docId}`;
|
|
|
|
this._document.documentElement.getElementsByTagName("head")[0].appendChild(styleElement);
|
|
}
|
|
|
|
const styleSheet = styleElement.sheet;
|
|
styleSheet.insertRule(rule, styleSheet.cssRules.length);
|
|
}
|
|
|
|
clear() {
|
|
this.nativeFontFaces.forEach(nativeFontFace => {
|
|
this._document.fonts.delete(nativeFontFace);
|
|
});
|
|
this.nativeFontFaces.length = 0;
|
|
|
|
if (this.styleElement) {
|
|
this.styleElement.remove();
|
|
this.styleElement = null;
|
|
}
|
|
}
|
|
|
|
async bind(font) {
|
|
if (font.attached || font.missingFile) {
|
|
return;
|
|
}
|
|
|
|
font.attached = true;
|
|
|
|
if (this.isFontLoadingAPISupported) {
|
|
const nativeFontFace = font.createNativeFontFace();
|
|
|
|
if (nativeFontFace) {
|
|
this.addNativeFontFace(nativeFontFace);
|
|
|
|
try {
|
|
await nativeFontFace.loaded;
|
|
} catch (ex) {
|
|
this._onUnsupportedFeature({
|
|
featureId: _util.UNSUPPORTED_FEATURES.errorFontLoadNative
|
|
});
|
|
|
|
(0, _util.warn)(`Failed to load font '${nativeFontFace.family}': '${ex}'.`);
|
|
font.disableFontFace = true;
|
|
throw ex;
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
const rule = font.createFontFaceRule();
|
|
|
|
if (rule) {
|
|
this.insertRule(rule);
|
|
|
|
if (this.isSyncFontLoadingSupported) {
|
|
return;
|
|
}
|
|
|
|
await new Promise(resolve => {
|
|
const request = this._queueLoadingCallback(resolve);
|
|
|
|
this._prepareFontLoadEvent([rule], [font], request);
|
|
});
|
|
}
|
|
}
|
|
|
|
_queueLoadingCallback(callback) {
|
|
(0, _util.unreachable)("Abstract method `_queueLoadingCallback`.");
|
|
}
|
|
|
|
get isFontLoadingAPISupported() {
|
|
const supported = typeof this._document !== "undefined" && !!this._document.fonts;
|
|
return (0, _util.shadow)(this, "isFontLoadingAPISupported", supported);
|
|
}
|
|
|
|
get isSyncFontLoadingSupported() {
|
|
(0, _util.unreachable)("Abstract method `isSyncFontLoadingSupported`.");
|
|
}
|
|
|
|
get _loadTestFont() {
|
|
(0, _util.unreachable)("Abstract method `_loadTestFont`.");
|
|
}
|
|
|
|
_prepareFontLoadEvent(rules, fontsToLoad, request) {
|
|
(0, _util.unreachable)("Abstract method `_prepareFontLoadEvent`.");
|
|
}
|
|
|
|
}
|
|
|
|
let FontLoader;
|
|
exports.FontLoader = FontLoader;
|
|
{
|
|
exports.FontLoader = FontLoader = class GenericFontLoader extends BaseFontLoader {
|
|
constructor(params) {
|
|
super(params);
|
|
this.loadingContext = {
|
|
requests: [],
|
|
nextRequestId: 0
|
|
};
|
|
this.loadTestFontId = 0;
|
|
}
|
|
|
|
get isSyncFontLoadingSupported() {
|
|
let supported = false;
|
|
|
|
if (typeof navigator === "undefined") {
|
|
supported = true;
|
|
} else {
|
|
const m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
|
|
|
|
if (m && m[1] >= 14) {
|
|
supported = true;
|
|
}
|
|
}
|
|
|
|
return (0, _util.shadow)(this, "isSyncFontLoadingSupported", supported);
|
|
}
|
|
|
|
_queueLoadingCallback(callback) {
|
|
function completeRequest() {
|
|
(0, _util.assert)(!request.done, "completeRequest() cannot be called twice.");
|
|
request.done = true;
|
|
|
|
while (context.requests.length > 0 && context.requests[0].done) {
|
|
const otherRequest = context.requests.shift();
|
|
setTimeout(otherRequest.callback, 0);
|
|
}
|
|
}
|
|
|
|
const context = this.loadingContext;
|
|
const request = {
|
|
id: `pdfjs-font-loading-${context.nextRequestId++}`,
|
|
done: false,
|
|
complete: completeRequest,
|
|
callback
|
|
};
|
|
context.requests.push(request);
|
|
return request;
|
|
}
|
|
|
|
get _loadTestFont() {
|
|
const getLoadTestFont = function () {
|
|
return atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA" + "FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA" + "ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA" + "AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1" + "AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD" + "6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM" + "AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D" + "IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA" + "AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA" + "AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB" + "AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY" + "AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA" + "AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA" + "AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC" + "AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3" + "Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj" + "FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==");
|
|
};
|
|
|
|
return (0, _util.shadow)(this, "_loadTestFont", getLoadTestFont());
|
|
}
|
|
|
|
_prepareFontLoadEvent(rules, fonts, request) {
|
|
function int32(data, offset) {
|
|
return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
|
|
}
|
|
|
|
function spliceString(s, offset, remove, insert) {
|
|
const chunk1 = s.substring(0, offset);
|
|
const chunk2 = s.substring(offset + remove);
|
|
return chunk1 + insert + chunk2;
|
|
}
|
|
|
|
let i, ii;
|
|
|
|
const canvas = this._document.createElement("canvas");
|
|
|
|
canvas.width = 1;
|
|
canvas.height = 1;
|
|
const ctx = canvas.getContext("2d");
|
|
let called = 0;
|
|
|
|
function isFontReady(name, callback) {
|
|
called++;
|
|
|
|
if (called > 30) {
|
|
(0, _util.warn)("Load test font never loaded.");
|
|
callback();
|
|
return;
|
|
}
|
|
|
|
ctx.font = "30px " + name;
|
|
ctx.fillText(".", 0, 20);
|
|
const imageData = ctx.getImageData(0, 0, 1, 1);
|
|
|
|
if (imageData.data[3] > 0) {
|
|
callback();
|
|
return;
|
|
}
|
|
|
|
setTimeout(isFontReady.bind(null, name, callback));
|
|
}
|
|
|
|
const loadTestFontId = `lt${Date.now()}${this.loadTestFontId++}`;
|
|
let data = this._loadTestFont;
|
|
const COMMENT_OFFSET = 976;
|
|
data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
|
|
const CFF_CHECKSUM_OFFSET = 16;
|
|
const XXXX_VALUE = 0x58585858;
|
|
let checksum = int32(data, CFF_CHECKSUM_OFFSET);
|
|
|
|
for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
|
|
checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
|
|
}
|
|
|
|
if (i < loadTestFontId.length) {
|
|
checksum = checksum - XXXX_VALUE + int32(loadTestFontId + "XXX", i) | 0;
|
|
}
|
|
|
|
data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum));
|
|
const url = `url(data:font/opentype;base64,${btoa(data)});`;
|
|
const rule = `@font-face {font-family:"${loadTestFontId}";src:${url}}`;
|
|
this.insertRule(rule);
|
|
const names = [];
|
|
|
|
for (i = 0, ii = fonts.length; i < ii; i++) {
|
|
names.push(fonts[i].loadedName);
|
|
}
|
|
|
|
names.push(loadTestFontId);
|
|
|
|
const div = this._document.createElement("div");
|
|
|
|
div.style.visibility = "hidden";
|
|
div.style.width = div.style.height = "10px";
|
|
div.style.position = "absolute";
|
|
div.style.top = div.style.left = "0px";
|
|
|
|
for (i = 0, ii = names.length; i < ii; ++i) {
|
|
const span = this._document.createElement("span");
|
|
|
|
span.textContent = "Hi";
|
|
span.style.fontFamily = names[i];
|
|
div.appendChild(span);
|
|
}
|
|
|
|
this._document.body.appendChild(div);
|
|
|
|
isFontReady(loadTestFontId, () => {
|
|
this._document.body.removeChild(div);
|
|
|
|
request.complete();
|
|
});
|
|
}
|
|
|
|
};
|
|
}
|
|
|
|
class FontFaceObject {
|
|
constructor(translatedData, {
|
|
isEvalSupported = true,
|
|
disableFontFace = false,
|
|
ignoreErrors = false,
|
|
onUnsupportedFeature = null,
|
|
fontRegistry = null
|
|
}) {
|
|
this.compiledGlyphs = Object.create(null);
|
|
|
|
for (const i in translatedData) {
|
|
this[i] = translatedData[i];
|
|
}
|
|
|
|
this.isEvalSupported = isEvalSupported !== false;
|
|
this.disableFontFace = disableFontFace === true;
|
|
this.ignoreErrors = ignoreErrors === true;
|
|
this._onUnsupportedFeature = onUnsupportedFeature;
|
|
this.fontRegistry = fontRegistry;
|
|
}
|
|
|
|
createNativeFontFace() {
|
|
if (!this.data || this.disableFontFace) {
|
|
return null;
|
|
}
|
|
|
|
const nativeFontFace = new FontFace(this.loadedName, this.data, {});
|
|
|
|
if (this.fontRegistry) {
|
|
this.fontRegistry.registerFont(this);
|
|
}
|
|
|
|
return nativeFontFace;
|
|
}
|
|
|
|
createFontFaceRule() {
|
|
if (!this.data || this.disableFontFace) {
|
|
return null;
|
|
}
|
|
|
|
const data = (0, _util.bytesToString)(new Uint8Array(this.data));
|
|
const url = `url(data:${this.mimetype};base64,${btoa(data)});`;
|
|
const rule = `@font-face {font-family:"${this.loadedName}";src:${url}}`;
|
|
|
|
if (this.fontRegistry) {
|
|
this.fontRegistry.registerFont(this, url);
|
|
}
|
|
|
|
return rule;
|
|
}
|
|
|
|
getPathGenerator(objs, character) {
|
|
if (this.compiledGlyphs[character] !== undefined) {
|
|
return this.compiledGlyphs[character];
|
|
}
|
|
|
|
let cmds, current;
|
|
|
|
try {
|
|
cmds = objs.get(this.loadedName + "_path_" + character);
|
|
} catch (ex) {
|
|
if (!this.ignoreErrors) {
|
|
throw ex;
|
|
}
|
|
|
|
if (this._onUnsupportedFeature) {
|
|
this._onUnsupportedFeature({
|
|
featureId: _util.UNSUPPORTED_FEATURES.errorFontGetPath
|
|
});
|
|
}
|
|
|
|
(0, _util.warn)(`getPathGenerator - ignoring character: "${ex}".`);
|
|
return this.compiledGlyphs[character] = function (c, size) {};
|
|
}
|
|
|
|
if (this.isEvalSupported && _util.IsEvalSupportedCached.value) {
|
|
let args,
|
|
js = "";
|
|
|
|
for (let i = 0, ii = cmds.length; i < ii; i++) {
|
|
current = cmds[i];
|
|
|
|
if (current.args !== undefined) {
|
|
args = current.args.join(",");
|
|
} else {
|
|
args = "";
|
|
}
|
|
|
|
js += "c." + current.cmd + "(" + args + ");\n";
|
|
}
|
|
|
|
return this.compiledGlyphs[character] = new Function("c", "size", js);
|
|
}
|
|
|
|
return this.compiledGlyphs[character] = function (c, size) {
|
|
for (let i = 0, ii = cmds.length; i < ii; i++) {
|
|
current = cmds[i];
|
|
|
|
if (current.cmd === "scale") {
|
|
current.args = [size, -size];
|
|
}
|
|
|
|
c[current.cmd].apply(c, current.args);
|
|
}
|
|
};
|
|
}
|
|
|
|
}
|
|
|
|
exports.FontFaceObject = FontFaceObject;
|
|
|
|
/***/ }),
|
|
/* 7 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.NodeCMapReaderFactory = exports.NodeCanvasFactory = void 0;
|
|
|
|
var _display_utils = __w_pdfjs_require__(1);
|
|
|
|
var _is_node = __w_pdfjs_require__(4);
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
let NodeCanvasFactory = class {
|
|
constructor() {
|
|
(0, _util.unreachable)("Not implemented: NodeCanvasFactory");
|
|
}
|
|
|
|
};
|
|
exports.NodeCanvasFactory = NodeCanvasFactory;
|
|
let NodeCMapReaderFactory = class {
|
|
constructor() {
|
|
(0, _util.unreachable)("Not implemented: NodeCMapReaderFactory");
|
|
}
|
|
|
|
};
|
|
exports.NodeCMapReaderFactory = NodeCMapReaderFactory;
|
|
|
|
if (_is_node.isNodeJS) {
|
|
exports.NodeCanvasFactory = NodeCanvasFactory = class extends _display_utils.BaseCanvasFactory {
|
|
create(width, height) {
|
|
if (width <= 0 || height <= 0) {
|
|
throw new Error("Invalid canvas size");
|
|
}
|
|
|
|
const Canvas = require("canvas");
|
|
|
|
const canvas = Canvas.createCanvas(width, height);
|
|
return {
|
|
canvas,
|
|
context: canvas.getContext("2d")
|
|
};
|
|
}
|
|
|
|
};
|
|
exports.NodeCMapReaderFactory = NodeCMapReaderFactory = class extends _display_utils.BaseCMapReaderFactory {
|
|
_fetchData(url, compressionType) {
|
|
return new Promise((resolve, reject) => {
|
|
const fs = require("fs");
|
|
|
|
fs.readFile(url, (error, data) => {
|
|
if (error || !data) {
|
|
reject(new Error(error));
|
|
return;
|
|
}
|
|
|
|
resolve({
|
|
cMapData: new Uint8Array(data),
|
|
compressionType
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
};
|
|
}
|
|
|
|
/***/ }),
|
|
/* 8 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.AnnotationStorage = void 0;
|
|
|
|
class AnnotationStorage {
|
|
constructor() {
|
|
this._storage = new Map();
|
|
this._modified = false;
|
|
this.onSetModified = null;
|
|
this.onResetModified = null;
|
|
}
|
|
|
|
getOrCreateValue(key, defaultValue) {
|
|
if (this._storage.has(key)) {
|
|
return this._storage.get(key);
|
|
}
|
|
|
|
this._storage.set(key, defaultValue);
|
|
|
|
return defaultValue;
|
|
}
|
|
|
|
setValue(key, value) {
|
|
if (this._storage.get(key) !== value) {
|
|
this._setModified();
|
|
}
|
|
|
|
this._storage.set(key, value);
|
|
}
|
|
|
|
getAll() {
|
|
if (this._storage.size === 0) {
|
|
return null;
|
|
}
|
|
|
|
return Object.fromEntries(this._storage);
|
|
}
|
|
|
|
get size() {
|
|
return this._storage.size;
|
|
}
|
|
|
|
_setModified() {
|
|
if (!this._modified) {
|
|
this._modified = true;
|
|
|
|
if (typeof this.onSetModified === "function") {
|
|
this.onSetModified();
|
|
}
|
|
}
|
|
}
|
|
|
|
resetModified() {
|
|
if (this._modified) {
|
|
this._modified = false;
|
|
|
|
if (typeof this.onResetModified === "function") {
|
|
this.onResetModified();
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
exports.AnnotationStorage = AnnotationStorage;
|
|
|
|
/***/ }),
|
|
/* 9 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.apiCompatibilityParams = void 0;
|
|
|
|
var _is_node = __w_pdfjs_require__(4);
|
|
|
|
const compatibilityParams = Object.create(null);
|
|
{
|
|
(function checkFontFace() {
|
|
if (_is_node.isNodeJS) {
|
|
compatibilityParams.disableFontFace = true;
|
|
}
|
|
})();
|
|
}
|
|
const apiCompatibilityParams = Object.freeze(compatibilityParams);
|
|
exports.apiCompatibilityParams = apiCompatibilityParams;
|
|
|
|
/***/ }),
|
|
/* 10 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.CanvasGraphics = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
var _pattern_helper = __w_pdfjs_require__(11);
|
|
|
|
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;
|
|
|
|
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);
|
|
|
|
if (!points[p]) {
|
|
--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 (let k = 0, kk = outlines.length; k < kk; k++) {
|
|
var o = outlines[k];
|
|
c.moveTo(o[0], o[1]);
|
|
|
|
for (let l = 2, ll = o.length; l < ll; l += 2) {
|
|
c.lineTo(o[l], o[l + 1]);
|
|
}
|
|
}
|
|
|
|
c.fill();
|
|
c.beginPath();
|
|
c.restore();
|
|
};
|
|
|
|
return drawOutline;
|
|
}
|
|
|
|
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;
|
|
this.transferMaps = null;
|
|
}
|
|
|
|
CanvasExtraState.prototype = {
|
|
clone: function CanvasExtraState_clone() {
|
|
return Object.create(this);
|
|
},
|
|
setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
|
|
this.x = x;
|
|
this.y = y;
|
|
}
|
|
};
|
|
return CanvasExtraState;
|
|
}();
|
|
|
|
var CanvasGraphics = function CanvasGraphicsClosure() {
|
|
var EXECUTION_TIME = 15;
|
|
var EXECUTION_STEPS = 10;
|
|
|
|
function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, webGLContext, imageLayer, optionalContentConfig) {
|
|
this.ctx = canvasCtx;
|
|
this.current = new CanvasExtraState();
|
|
this.stateStack = [];
|
|
this.pendingClip = null;
|
|
this.pendingEOFill = false;
|
|
this.res = null;
|
|
this.xobjs = null;
|
|
this.commonObjs = commonObjs;
|
|
this.objs = objs;
|
|
this.canvasFactory = canvasFactory;
|
|
this.webGLContext = webGLContext;
|
|
this.imageLayer = imageLayer;
|
|
this.groupStack = [];
|
|
this.processingType3 = null;
|
|
this.baseTransform = null;
|
|
this.baseTransformStack = [];
|
|
this.groupLevel = 0;
|
|
this.smaskStack = [];
|
|
this.smaskCounter = 0;
|
|
this.tempSMask = null;
|
|
this.contentVisible = true;
|
|
this.markedContentStack = [];
|
|
this.optionalContentConfig = optionalContentConfig;
|
|
this.cachedCanvases = new CachedCanvases(this.canvasFactory);
|
|
|
|
if (canvasCtx) {
|
|
addContextCurrentTransform(canvasCtx);
|
|
}
|
|
|
|
this._cachedGetSinglePixelWidth = null;
|
|
}
|
|
|
|
function putBinaryImageData(ctx, imgData, transferMaps = null) {
|
|
if (typeof ImageData !== "undefined" && imgData instanceof ImageData) {
|
|
ctx.putImageData(imgData, 0, 0);
|
|
return;
|
|
}
|
|
|
|
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;
|
|
let transferMapRed, transferMapGreen, transferMapBlue, transferMapGray;
|
|
|
|
if (transferMaps) {
|
|
switch (transferMaps.length) {
|
|
case 1:
|
|
transferMapRed = transferMaps[0];
|
|
transferMapGreen = transferMaps[0];
|
|
transferMapBlue = transferMaps[0];
|
|
transferMapGray = transferMaps[0];
|
|
break;
|
|
|
|
case 4:
|
|
transferMapRed = transferMaps[0];
|
|
transferMapGreen = transferMaps[1];
|
|
transferMapBlue = transferMaps[2];
|
|
transferMapGray = transferMaps[3];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) {
|
|
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 = _util.IsLittleEndianCached.value ? 0xff000000 : 0x000000ff;
|
|
|
|
if (transferMapGray) {
|
|
if (transferMapGray[0] === 0xff && transferMapGray[0xff] === 0) {
|
|
[white, black] = [black, white];
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < totalChunks; i++) {
|
|
thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
|
|
destPos = 0;
|
|
|
|
for (j = 0; j < thisChunkHeight; j++) {
|
|
var srcDiff = srcLength - srcPos;
|
|
let 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) {
|
|
const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
|
|
j = 0;
|
|
elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
|
|
|
|
for (i = 0; i < fullChunks; i++) {
|
|
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
|
|
srcPos += elemsInThisChunk;
|
|
|
|
if (hasTransferMaps) {
|
|
for (let k = 0; k < elemsInThisChunk; k += 4) {
|
|
if (transferMapRed) {
|
|
dest[k + 0] = transferMapRed[dest[k + 0]];
|
|
}
|
|
|
|
if (transferMapGreen) {
|
|
dest[k + 1] = transferMapGreen[dest[k + 1]];
|
|
}
|
|
|
|
if (transferMapBlue) {
|
|
dest[k + 2] = transferMapBlue[dest[k + 2]];
|
|
}
|
|
}
|
|
}
|
|
|
|
ctx.putImageData(chunkImgData, 0, j);
|
|
j += FULL_CHUNK_HEIGHT;
|
|
}
|
|
|
|
if (i < totalChunks) {
|
|
elemsInThisChunk = width * partialChunkHeight * 4;
|
|
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
|
|
|
|
if (hasTransferMaps) {
|
|
for (let k = 0; k < elemsInThisChunk; k += 4) {
|
|
if (transferMapRed) {
|
|
dest[k + 0] = transferMapRed[dest[k + 0]];
|
|
}
|
|
|
|
if (transferMapGreen) {
|
|
dest[k + 1] = transferMapGreen[dest[k + 1]];
|
|
}
|
|
|
|
if (transferMapBlue) {
|
|
dest[k + 2] = transferMapBlue[dest[k + 2]];
|
|
}
|
|
}
|
|
}
|
|
|
|
ctx.putImageData(chunkImgData, 0, j);
|
|
}
|
|
} else if (imgData.kind === _util.ImageKind.RGB_24BPP) {
|
|
const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
|
|
thisChunkHeight = FULL_CHUNK_HEIGHT;
|
|
elemsInThisChunk = width * thisChunkHeight;
|
|
|
|
for (i = 0; i < totalChunks; i++) {
|
|
if (i >= fullChunks) {
|
|
thisChunkHeight = partialChunkHeight;
|
|
elemsInThisChunk = width * thisChunkHeight;
|
|
}
|
|
|
|
destPos = 0;
|
|
|
|
for (j = elemsInThisChunk; j--;) {
|
|
dest[destPos++] = src[srcPos++];
|
|
dest[destPos++] = src[srcPos++];
|
|
dest[destPos++] = src[srcPos++];
|
|
dest[destPos++] = 255;
|
|
}
|
|
|
|
if (hasTransferMaps) {
|
|
for (let k = 0; k < destPos; k += 4) {
|
|
if (transferMapRed) {
|
|
dest[k + 0] = transferMapRed[dest[k + 0]];
|
|
}
|
|
|
|
if (transferMapGreen) {
|
|
dest[k + 1] = transferMapGreen[dest[k + 1]];
|
|
}
|
|
|
|
if (transferMapBlue) {
|
|
dest[k + 2] = transferMapBlue[dest[k + 2]];
|
|
}
|
|
}
|
|
}
|
|
|
|
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
|
|
}
|
|
} else {
|
|
throw new Error(`bad image kind: ${imgData.kind}`);
|
|
}
|
|
}
|
|
|
|
function putBinaryImageMask(ctx, imgData) {
|
|
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) {
|
|
const composed = webGLContext.composeSMask({
|
|
layer: layerCtx.canvas,
|
|
mask,
|
|
properties: {
|
|
subtype: smask.subtype,
|
|
backdrop
|
|
}
|
|
});
|
|
ctx.setTransform(1, 0, 0, 1, 0, 0);
|
|
ctx.drawImage(composed, smask.offsetX, smask.offsetY);
|
|
return;
|
|
}
|
|
|
|
genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap);
|
|
ctx.drawImage(mask, 0, 0);
|
|
}
|
|
|
|
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 = false,
|
|
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 {
|
|
for (const depObjId of argsArray[i]) {
|
|
const objsPool = depObjId.startsWith("g_") ? commonObjs : objs;
|
|
|
|
if (!objsPool.has(depObjId)) {
|
|
objsPool.get(depObjId, continueCallback);
|
|
return i;
|
|
}
|
|
}
|
|
}
|
|
|
|
i++;
|
|
|
|
if (i === argsArrayLen) {
|
|
return i;
|
|
}
|
|
|
|
if (chunkOperations && ++steps > EXECUTION_STEPS) {
|
|
if (Date.now() > endTime) {
|
|
continueCallback();
|
|
return i;
|
|
}
|
|
|
|
steps = 0;
|
|
}
|
|
}
|
|
},
|
|
endDrawing: function CanvasGraphics_endDrawing() {
|
|
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(intent) {},
|
|
|
|
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;
|
|
|
|
case "TR":
|
|
this.current.transferMaps = value;
|
|
}
|
|
}
|
|
},
|
|
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 && ctx.lineWidth < this.getSinglePixelWidth()) {
|
|
width = this.getSinglePixelWidth();
|
|
}
|
|
|
|
if (height === 0 && ctx.lineWidth < this.getSinglePixelWidth()) {
|
|
height = this.getSinglePixelWidth();
|
|
}
|
|
|
|
var xw = x + width;
|
|
var yh = y + height;
|
|
ctx.moveTo(x, y);
|
|
ctx.lineTo(xw, y);
|
|
ctx.lineTo(xw, yh);
|
|
ctx.lineTo(x, yh);
|
|
ctx.lineTo(x, y);
|
|
ctx.closePath();
|
|
break;
|
|
|
|
case _util.OPS.moveTo:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
ctx.moveTo(x, y);
|
|
break;
|
|
|
|
case _util.OPS.lineTo:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
ctx.lineTo(x, y);
|
|
break;
|
|
|
|
case _util.OPS.curveTo:
|
|
x = args[j + 4];
|
|
y = args[j + 5];
|
|
ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
|
|
j += 6;
|
|
break;
|
|
|
|
case _util.OPS.curveTo2:
|
|
ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
|
|
x = args[j + 2];
|
|
y = args[j + 3];
|
|
j += 4;
|
|
break;
|
|
|
|
case _util.OPS.curveTo3:
|
|
x = args[j + 2];
|
|
y = args[j + 3];
|
|
ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
|
|
j += 4;
|
|
break;
|
|
|
|
case _util.OPS.closePath:
|
|
ctx.closePath();
|
|
break;
|
|
}
|
|
}
|
|
|
|
current.setCurrentPoint(x, y);
|
|
},
|
|
closePath: function CanvasGraphics_closePath() {
|
|
this.ctx.closePath();
|
|
},
|
|
stroke: function CanvasGraphics_stroke(consumePath) {
|
|
consumePath = typeof consumePath !== "undefined" ? consumePath : true;
|
|
var ctx = this.ctx;
|
|
var strokeColor = this.current.strokeColor;
|
|
ctx.globalAlpha = this.current.strokeAlpha;
|
|
|
|
if (this.contentVisible) {
|
|
if (strokeColor && strokeColor.hasOwnProperty("type") && strokeColor.type === "Pattern") {
|
|
ctx.save();
|
|
const transform = ctx.mozCurrentTransform;
|
|
|
|
const scale = _util.Util.singularValueDecompose2dScale(transform)[0];
|
|
|
|
ctx.strokeStyle = strokeColor.getPattern(ctx, this);
|
|
ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth * scale);
|
|
ctx.stroke();
|
|
ctx.restore();
|
|
} else {
|
|
ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
|
|
ctx.stroke();
|
|
}
|
|
}
|
|
|
|
if (consumePath) {
|
|
this.consumePath();
|
|
}
|
|
|
|
ctx.globalAlpha = this.current.fillAlpha;
|
|
},
|
|
closeStroke: function CanvasGraphics_closeStroke() {
|
|
this.closePath();
|
|
this.stroke();
|
|
},
|
|
fill: function CanvasGraphics_fill(consumePath) {
|
|
consumePath = typeof consumePath !== "undefined" ? consumePath : true;
|
|
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.contentVisible) {
|
|
if (this.pendingEOFill) {
|
|
ctx.fill("evenodd");
|
|
this.pendingEOFill = false;
|
|
} else {
|
|
ctx.fill();
|
|
}
|
|
}
|
|
|
|
if (needRestore) {
|
|
ctx.restore();
|
|
}
|
|
|
|
if (consumePath) {
|
|
this.consumePath();
|
|
}
|
|
},
|
|
eoFill: function CanvasGraphics_eoFill() {
|
|
this.pendingEOFill = true;
|
|
this.fill();
|
|
},
|
|
fillStroke: function CanvasGraphics_fillStroke() {
|
|
this.fill(false);
|
|
this.stroke(false);
|
|
this.consumePath();
|
|
},
|
|
eoFillStroke: function CanvasGraphics_eoFillStroke() {
|
|
this.pendingEOFill = true;
|
|
this.fillStroke();
|
|
},
|
|
closeFillStroke: function CanvasGraphics_closeFillStroke() {
|
|
this.closePath();
|
|
this.fillStroke();
|
|
},
|
|
closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
|
|
this.pendingEOFill = true;
|
|
this.closePath();
|
|
this.fillStroke();
|
|
},
|
|
endPath: function CanvasGraphics_endPath() {
|
|
this.consumePath();
|
|
},
|
|
clip: function CanvasGraphics_clip() {
|
|
this.pendingClip = NORMAL_CLIP;
|
|
},
|
|
eoClip: function CanvasGraphics_eoClip() {
|
|
this.pendingClip = EO_CLIP;
|
|
},
|
|
beginText: function CanvasGraphics_beginText() {
|
|
this.current.textMatrix = _util.IDENTITY_MATRIX;
|
|
this.current.textMatrixScale = 1;
|
|
this.current.x = this.current.lineX = 0;
|
|
this.current.y = this.current.lineY = 0;
|
|
},
|
|
endText: function CanvasGraphics_endText() {
|
|
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 ${fontRefName}`);
|
|
}
|
|
|
|
current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
|
|
|
|
if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
|
|
(0, _util.warn)("Invalid font matrix for font " + fontRefName);
|
|
}
|
|
|
|
if (size < 0) {
|
|
size = -size;
|
|
current.fontDirection = -1;
|
|
} else {
|
|
current.fontDirection = 1;
|
|
}
|
|
|
|
this.current.font = fontObj;
|
|
this.current.fontSize = size;
|
|
|
|
if (fontObj.isType3Font) {
|
|
return;
|
|
}
|
|
|
|
var name = fontObj.loadedName || "sans-serif";
|
|
let bold = "normal";
|
|
|
|
if (fontObj.black) {
|
|
bold = "900";
|
|
} else if (fontObj.bold) {
|
|
bold = "bold";
|
|
}
|
|
|
|
var italic = fontObj.italic ? "italic" : "normal";
|
|
var typeface = `"${name}", ${fontObj.fallbackName}`;
|
|
let browserFontSize = size;
|
|
|
|
if (size < MIN_FONT_SIZE) {
|
|
browserFontSize = MIN_FONT_SIZE;
|
|
} else if (size > MAX_FONT_SIZE) {
|
|
browserFontSize = MAX_FONT_SIZE;
|
|
}
|
|
|
|
this.current.fontSizeScale = size / browserFontSize;
|
|
this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;
|
|
},
|
|
setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
|
|
this.current.textRenderingMode = mode;
|
|
},
|
|
setTextRise: function CanvasGraphics_setTextRise(rise) {
|
|
this.current.textRise = rise;
|
|
},
|
|
moveText: function CanvasGraphics_moveText(x, y) {
|
|
this.current.x = this.current.lineX += x;
|
|
this.current.y = this.current.lineY += y;
|
|
},
|
|
setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
|
|
this.setLeading(-y);
|
|
this.moveText(x, y);
|
|
},
|
|
setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
|
|
this.current.textMatrix = [a, b, c, d, e, f];
|
|
this.current.textMatrixScale = Math.sqrt(a * a + b * b);
|
|
this.current.x = this.current.lineX = 0;
|
|
this.current.y = this.current.lineY = 0;
|
|
},
|
|
nextLine: function CanvasGraphics_nextLine() {
|
|
this.moveText(0, this.current.leading);
|
|
},
|
|
|
|
paintChar(character, x, y, patternTransform) {
|
|
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);
|
|
const patternFill = current.patternFill && !font.missingFile;
|
|
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() {
|
|
const {
|
|
context: ctx
|
|
} = this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled", 10, 10);
|
|
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 undefined;
|
|
}
|
|
|
|
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();
|
|
const pattern = current.fillColor.getPattern(ctx, this);
|
|
patternTransform = ctx.mozCurrentTransform;
|
|
ctx.restore();
|
|
ctx.fillStyle = pattern;
|
|
}
|
|
|
|
ctx.transform.apply(ctx, current.textMatrix);
|
|
ctx.translate(current.x, current.y + current.textRise);
|
|
|
|
if (fontDirection > 0) {
|
|
ctx.scale(textHScale, -1);
|
|
} else {
|
|
ctx.scale(textHScale, 1);
|
|
}
|
|
|
|
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 (this.contentVisible && (glyph.isInFont || font.missingFile)) {
|
|
if (simpleFillText && !accent) {
|
|
ctx.fillText(character, scaledX, scaledY);
|
|
} else {
|
|
this.paintChar(character, scaledX, scaledY, patternTransform);
|
|
|
|
if (accent) {
|
|
scaledAccentX = scaledX + fontSize * accent.offset.x / fontSizeScale;
|
|
scaledAccentY = scaledY - fontSize * accent.offset.y / fontSizeScale;
|
|
this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform);
|
|
}
|
|
}
|
|
}
|
|
|
|
var charWidth;
|
|
|
|
if (vertical) {
|
|
charWidth = width * widthAdvanceScale - spacing * fontDirection;
|
|
} else {
|
|
charWidth = width * widthAdvanceScale + spacing * fontDirection;
|
|
}
|
|
|
|
x += charWidth;
|
|
|
|
if (restoreNeeded) {
|
|
ctx.restore();
|
|
}
|
|
}
|
|
|
|
if (vertical) {
|
|
current.y -= x;
|
|
} else {
|
|
current.x += x * textHScale;
|
|
}
|
|
|
|
ctx.restore();
|
|
},
|
|
showType3Text: function CanvasGraphics_showType3Text(glyphs) {
|
|
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;
|
|
}
|
|
|
|
if (this.contentVisible) {
|
|
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) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
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) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
this.save();
|
|
this.baseTransformStack.push(this.baseTransform);
|
|
|
|
if (Array.isArray(matrix) && matrix.length === 6) {
|
|
this.transform.apply(this, matrix);
|
|
}
|
|
|
|
this.baseTransform = this.ctx.mozCurrentTransform;
|
|
|
|
if (bbox) {
|
|
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() {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
this.restore();
|
|
this.baseTransform = this.baseTransformStack.pop();
|
|
},
|
|
beginGroup: function CanvasGraphics_beginGroup(group) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
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) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
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();
|
|
},
|
|
paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
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(imgData, scaleX, skewX = 0, skewY = 0, scaleY, positions) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
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, skewX, skewY, scaleY, positions[i], positions[i + 1]);
|
|
ctx.scale(1, -1);
|
|
ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
|
|
ctx.restore();
|
|
}
|
|
},
|
|
|
|
paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
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) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
|
|
|
|
if (!imgData) {
|
|
(0, _util.warn)("Dependent image isn't ready yet");
|
|
return;
|
|
}
|
|
|
|
this.paintInlineImageXObject(imgData);
|
|
},
|
|
paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
|
|
|
|
if (!imgData) {
|
|
(0, _util.warn)("Dependent image isn't ready yet");
|
|
return;
|
|
}
|
|
|
|
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) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
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, this.current.transferMaps);
|
|
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) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
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, this.current.transferMaps);
|
|
|
|
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() {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
this.ctx.fillRect(0, 0, 1, 1);
|
|
},
|
|
markPoint: function CanvasGraphics_markPoint(tag) {},
|
|
markPointProps: function CanvasGraphics_markPointProps(tag, properties) {},
|
|
beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {
|
|
this.markedContentStack.push({
|
|
visible: true
|
|
});
|
|
},
|
|
beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {
|
|
if (tag === "OC") {
|
|
this.markedContentStack.push({
|
|
visible: this.optionalContentConfig.isVisible(properties)
|
|
});
|
|
} else {
|
|
this.markedContentStack.push({
|
|
visible: true
|
|
});
|
|
}
|
|
|
|
this.contentVisible = this.isContentVisible();
|
|
},
|
|
endMarkedContent: function CanvasGraphics_endMarkedContent() {
|
|
this.markedContentStack.pop();
|
|
this.contentVisible = this.isContentVisible();
|
|
},
|
|
beginCompat: function CanvasGraphics_beginCompat() {},
|
|
endCompat: function CanvasGraphics_endCompat() {},
|
|
consumePath: function CanvasGraphics_consumePath() {
|
|
var ctx = this.ctx;
|
|
|
|
if (this.pendingClip) {
|
|
if (this.pendingClip === EO_CLIP) {
|
|
ctx.clip("evenodd");
|
|
} else {
|
|
ctx.clip();
|
|
}
|
|
|
|
this.pendingClip = null;
|
|
}
|
|
|
|
ctx.beginPath();
|
|
},
|
|
|
|
getSinglePixelWidth(scale) {
|
|
if (this._cachedGetSinglePixelWidth === null) {
|
|
const inverse = this.ctx.mozCurrentTransformInverse;
|
|
this._cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3]));
|
|
}
|
|
|
|
return this._cachedGetSinglePixelWidth;
|
|
},
|
|
|
|
getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
|
|
var transform = this.ctx.mozCurrentTransform;
|
|
return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]];
|
|
},
|
|
isContentVisible: function CanvasGraphics_isContentVisible() {
|
|
for (let i = this.markedContentStack.length - 1; i >= 0; i--) {
|
|
if (!this.markedContentStack[i].visible) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
};
|
|
|
|
for (var op in _util.OPS) {
|
|
CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op];
|
|
}
|
|
|
|
return CanvasGraphics;
|
|
}();
|
|
|
|
exports.CanvasGraphics = CanvasGraphics;
|
|
|
|
/***/ }),
|
|
/* 11 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.getShadingPatternFromIR = getShadingPatternFromIR;
|
|
exports.TilingPattern = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
var ShadingIRs = {};
|
|
|
|
function applyBoundingBox(ctx, bbox) {
|
|
if (!bbox || typeof Path2D === "undefined") {
|
|
return;
|
|
}
|
|
|
|
const width = bbox[2] - bbox[0];
|
|
const height = bbox[3] - bbox[1];
|
|
const region = new Path2D();
|
|
region.rect(bbox[0], bbox[1], width, height);
|
|
ctx.clip(region);
|
|
}
|
|
|
|
ShadingIRs.RadialAxial = {
|
|
fromIR: function RadialAxial_fromIR(raw) {
|
|
var type = raw[1];
|
|
var bbox = raw[2];
|
|
var colorStops = raw[3];
|
|
var p0 = raw[4];
|
|
var p1 = raw[5];
|
|
var r0 = raw[6];
|
|
var r1 = raw[7];
|
|
return {
|
|
type: "Pattern",
|
|
getPattern: function RadialAxial_getPattern(ctx) {
|
|
applyBoundingBox(ctx, bbox);
|
|
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;
|
|
|
|
for (var y = minY; y <= maxY; y++) {
|
|
if (y < y2) {
|
|
let k;
|
|
|
|
if (y < y1) {
|
|
k = 0;
|
|
} else if (y1 === y2) {
|
|
k = 1;
|
|
} else {
|
|
k = (y1 - y) / (y1 - y2);
|
|
}
|
|
|
|
xa = x1 - (x1 - x2) * k;
|
|
car = c1r - (c1r - c2r) * k;
|
|
cag = c1g - (c1g - c2g) * k;
|
|
cab = c1b - (c1b - c2b) * k;
|
|
} else {
|
|
let k;
|
|
|
|
if (y > y3) {
|
|
k = 1;
|
|
} else if (y2 === y3) {
|
|
k = 0;
|
|
} else {
|
|
k = (y2 - y) / (y2 - y3);
|
|
}
|
|
|
|
xa = x2 - (x2 - x3) * k;
|
|
car = c2r - (c2r - c3r) * k;
|
|
cag = c2g - (c2g - c3g) * k;
|
|
cab = c2b - (c2b - c3b) * k;
|
|
}
|
|
|
|
let k;
|
|
|
|
if (y < y1) {
|
|
k = 0;
|
|
} else if (y > y3) {
|
|
k = 1;
|
|
} else {
|
|
k = (y1 - y) / (y1 - y3);
|
|
}
|
|
|
|
xb = x1 - (x1 - x3) * k;
|
|
cbr = c1r - (c1r - c3r) * k;
|
|
cbg = c1g - (c1g - c3g) * k;
|
|
cbb = c1b - (c1b - c3b) * k;
|
|
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);
|
|
|
|
if (k < 0) {
|
|
k = 0;
|
|
} else if (k > 1) {
|
|
k = 1;
|
|
}
|
|
|
|
bytes[j++] = car - (car - cbr) * k | 0;
|
|
bytes[j++] = cag - (cag - cbg) * k | 0;
|
|
bytes[j++] = cab - (cab - cbb) * k | 0;
|
|
bytes[j++] = 255;
|
|
}
|
|
}
|
|
}
|
|
|
|
function drawFigure(data, figure, context) {
|
|
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 bbox = raw[7];
|
|
var background = raw[8];
|
|
return {
|
|
type: "Pattern",
|
|
getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
|
|
applyBoundingBox(ctx, bbox);
|
|
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 matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
|
|
|
|
var curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
|
|
|
|
var combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
|
|
var dimx = this.getSizeAndScale(xstep, this.ctx.canvas.width, combinedScale[0]);
|
|
var dimy = this.getSizeAndScale(ystep, this.ctx.canvas.height, combinedScale[1]);
|
|
var tmpCanvas = owner.cachedCanvases.getCanvas("pattern", dimx.size, dimy.size, true);
|
|
var tmpCtx = tmpCanvas.context;
|
|
var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
|
|
graphics.groupLevel = owner.groupLevel;
|
|
this.setFillAndStrokeStyleToContext(graphics, paintType, color);
|
|
graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);
|
|
graphics.transform(1, 0, 0, 1, -x0, -y0);
|
|
this.clipBbox(graphics, bbox, x0, y0, x1, y1);
|
|
graphics.executeOperatorList(operatorList);
|
|
this.ctx.transform(1, 0, 0, 1, x0, y0);
|
|
this.ctx.scale(1 / dimx.scale, 1 / dimy.scale);
|
|
return tmpCanvas.canvas;
|
|
},
|
|
getSizeAndScale: function TilingPattern_getSizeAndScale(step, realOutputSize, scale) {
|
|
step = Math.abs(step);
|
|
var maxSize = Math.max(MAX_PATTERN_SIZE, realOutputSize);
|
|
var size = Math.ceil(step * scale);
|
|
|
|
if (size >= maxSize) {
|
|
size = maxSize;
|
|
} else {
|
|
scale = size / step;
|
|
}
|
|
|
|
return {
|
|
scale,
|
|
size
|
|
};
|
|
},
|
|
clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
|
|
if (Array.isArray(bbox) && bbox.length === 4) {
|
|
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) {
|
|
const 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) {
|
|
ctx = this.ctx;
|
|
ctx.setTransform.apply(ctx, this.baseTransform);
|
|
ctx.transform.apply(ctx, this.matrix);
|
|
var temporaryPatternCanvas = this.createPatternCanvas(owner);
|
|
return ctx.createPattern(temporaryPatternCanvas, "repeat");
|
|
}
|
|
};
|
|
return TilingPattern;
|
|
}();
|
|
|
|
exports.TilingPattern = TilingPattern;
|
|
|
|
/***/ }),
|
|
/* 12 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.GlobalWorkerOptions = void 0;
|
|
const GlobalWorkerOptions = Object.create(null);
|
|
exports.GlobalWorkerOptions = GlobalWorkerOptions;
|
|
GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort;
|
|
GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? "" : GlobalWorkerOptions.workerSrc;
|
|
|
|
/***/ }),
|
|
/* 13 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.MessageHandler = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
const CallbackKind = {
|
|
UNKNOWN: 0,
|
|
DATA: 1,
|
|
ERROR: 2
|
|
};
|
|
const StreamKind = {
|
|
UNKNOWN: 0,
|
|
CANCEL: 1,
|
|
CANCEL_COMPLETE: 2,
|
|
CLOSE: 3,
|
|
ENQUEUE: 4,
|
|
ERROR: 5,
|
|
PULL: 6,
|
|
PULL_COMPLETE: 7,
|
|
START_COMPLETE: 8
|
|
};
|
|
|
|
function wrapReason(reason) {
|
|
if (typeof reason !== "object" || reason === null) {
|
|
return reason;
|
|
}
|
|
|
|
switch (reason.name) {
|
|
case "AbortException":
|
|
return new _util.AbortException(reason.message);
|
|
|
|
case "MissingPDFException":
|
|
return new _util.MissingPDFException(reason.message);
|
|
|
|
case "UnexpectedResponseException":
|
|
return new _util.UnexpectedResponseException(reason.message, reason.status);
|
|
|
|
case "UnknownErrorException":
|
|
return new _util.UnknownErrorException(reason.message, reason.details);
|
|
|
|
default:
|
|
return new _util.UnknownErrorException(reason.message, reason.toString());
|
|
}
|
|
}
|
|
|
|
class MessageHandler {
|
|
constructor(sourceName, targetName, comObj) {
|
|
this.sourceName = sourceName;
|
|
this.targetName = targetName;
|
|
this.comObj = comObj;
|
|
this.callbackId = 1;
|
|
this.streamId = 1;
|
|
this.postMessageTransfers = true;
|
|
this.streamSinks = Object.create(null);
|
|
this.streamControllers = Object.create(null);
|
|
this.callbackCapabilities = Object.create(null);
|
|
this.actionHandler = Object.create(null);
|
|
|
|
this._onComObjOnMessage = event => {
|
|
const data = event.data;
|
|
|
|
if (data.targetName !== this.sourceName) {
|
|
return;
|
|
}
|
|
|
|
if (data.stream) {
|
|
this._processStreamMessage(data);
|
|
|
|
return;
|
|
}
|
|
|
|
if (data.callback) {
|
|
const callbackId = data.callbackId;
|
|
const capability = this.callbackCapabilities[callbackId];
|
|
|
|
if (!capability) {
|
|
throw new Error(`Cannot resolve callback ${callbackId}`);
|
|
}
|
|
|
|
delete this.callbackCapabilities[callbackId];
|
|
|
|
if (data.callback === CallbackKind.DATA) {
|
|
capability.resolve(data.data);
|
|
} else if (data.callback === CallbackKind.ERROR) {
|
|
capability.reject(wrapReason(data.reason));
|
|
} else {
|
|
throw new Error("Unexpected callback case");
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
const action = this.actionHandler[data.action];
|
|
|
|
if (!action) {
|
|
throw new Error(`Unknown action from worker: ${data.action}`);
|
|
}
|
|
|
|
if (data.callbackId) {
|
|
const cbSourceName = this.sourceName;
|
|
const cbTargetName = data.sourceName;
|
|
new Promise(function (resolve) {
|
|
resolve(action(data.data));
|
|
}).then(function (result) {
|
|
comObj.postMessage({
|
|
sourceName: cbSourceName,
|
|
targetName: cbTargetName,
|
|
callback: CallbackKind.DATA,
|
|
callbackId: data.callbackId,
|
|
data: result
|
|
});
|
|
}, function (reason) {
|
|
comObj.postMessage({
|
|
sourceName: cbSourceName,
|
|
targetName: cbTargetName,
|
|
callback: CallbackKind.ERROR,
|
|
callbackId: data.callbackId,
|
|
reason: wrapReason(reason)
|
|
});
|
|
});
|
|
return;
|
|
}
|
|
|
|
if (data.streamId) {
|
|
this._createStreamSink(data);
|
|
|
|
return;
|
|
}
|
|
|
|
action(data.data);
|
|
};
|
|
|
|
comObj.addEventListener("message", this._onComObjOnMessage);
|
|
}
|
|
|
|
on(actionName, handler) {
|
|
const ah = this.actionHandler;
|
|
|
|
if (ah[actionName]) {
|
|
throw new Error(`There is already an actionName called "${actionName}"`);
|
|
}
|
|
|
|
ah[actionName] = handler;
|
|
}
|
|
|
|
send(actionName, data, transfers) {
|
|
this._postMessage({
|
|
sourceName: this.sourceName,
|
|
targetName: this.targetName,
|
|
action: actionName,
|
|
data
|
|
}, transfers);
|
|
}
|
|
|
|
sendWithPromise(actionName, data, transfers) {
|
|
const callbackId = this.callbackId++;
|
|
const capability = (0, _util.createPromiseCapability)();
|
|
this.callbackCapabilities[callbackId] = capability;
|
|
|
|
try {
|
|
this._postMessage({
|
|
sourceName: this.sourceName,
|
|
targetName: this.targetName,
|
|
action: actionName,
|
|
callbackId,
|
|
data
|
|
}, transfers);
|
|
} catch (ex) {
|
|
capability.reject(ex);
|
|
}
|
|
|
|
return capability.promise;
|
|
}
|
|
|
|
sendWithStream(actionName, data, queueingStrategy, transfers) {
|
|
const streamId = this.streamId++;
|
|
const sourceName = this.sourceName;
|
|
const targetName = this.targetName;
|
|
const comObj = this.comObj;
|
|
return new ReadableStream({
|
|
start: controller => {
|
|
const startCapability = (0, _util.createPromiseCapability)();
|
|
this.streamControllers[streamId] = {
|
|
controller,
|
|
startCall: startCapability,
|
|
pullCall: null,
|
|
cancelCall: null,
|
|
isClosed: false
|
|
};
|
|
|
|
this._postMessage({
|
|
sourceName,
|
|
targetName,
|
|
action: actionName,
|
|
streamId,
|
|
data,
|
|
desiredSize: controller.desiredSize
|
|
}, transfers);
|
|
|
|
return startCapability.promise;
|
|
},
|
|
pull: controller => {
|
|
const pullCapability = (0, _util.createPromiseCapability)();
|
|
this.streamControllers[streamId].pullCall = pullCapability;
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.PULL,
|
|
streamId,
|
|
desiredSize: controller.desiredSize
|
|
});
|
|
return pullCapability.promise;
|
|
},
|
|
cancel: reason => {
|
|
(0, _util.assert)(reason instanceof Error, "cancel must have a valid reason");
|
|
const cancelCapability = (0, _util.createPromiseCapability)();
|
|
this.streamControllers[streamId].cancelCall = cancelCapability;
|
|
this.streamControllers[streamId].isClosed = true;
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.CANCEL,
|
|
streamId,
|
|
reason: wrapReason(reason)
|
|
});
|
|
return cancelCapability.promise;
|
|
}
|
|
}, queueingStrategy);
|
|
}
|
|
|
|
_createStreamSink(data) {
|
|
const self = this;
|
|
const action = this.actionHandler[data.action];
|
|
const streamId = data.streamId;
|
|
const sourceName = this.sourceName;
|
|
const targetName = data.sourceName;
|
|
const comObj = this.comObj;
|
|
const streamSink = {
|
|
enqueue(chunk, size = 1, transfers) {
|
|
if (this.isCancelled) {
|
|
return;
|
|
}
|
|
|
|
const lastDesiredSize = this.desiredSize;
|
|
this.desiredSize -= size;
|
|
|
|
if (lastDesiredSize > 0 && this.desiredSize <= 0) {
|
|
this.sinkCapability = (0, _util.createPromiseCapability)();
|
|
this.ready = this.sinkCapability.promise;
|
|
}
|
|
|
|
self._postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.ENQUEUE,
|
|
streamId,
|
|
chunk
|
|
}, transfers);
|
|
},
|
|
|
|
close() {
|
|
if (this.isCancelled) {
|
|
return;
|
|
}
|
|
|
|
this.isCancelled = true;
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.CLOSE,
|
|
streamId
|
|
});
|
|
delete self.streamSinks[streamId];
|
|
},
|
|
|
|
error(reason) {
|
|
(0, _util.assert)(reason instanceof Error, "error must have a valid reason");
|
|
|
|
if (this.isCancelled) {
|
|
return;
|
|
}
|
|
|
|
this.isCancelled = true;
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.ERROR,
|
|
streamId,
|
|
reason: wrapReason(reason)
|
|
});
|
|
},
|
|
|
|
sinkCapability: (0, _util.createPromiseCapability)(),
|
|
onPull: null,
|
|
onCancel: null,
|
|
isCancelled: false,
|
|
desiredSize: data.desiredSize,
|
|
ready: null
|
|
};
|
|
streamSink.sinkCapability.resolve();
|
|
streamSink.ready = streamSink.sinkCapability.promise;
|
|
this.streamSinks[streamId] = streamSink;
|
|
new Promise(function (resolve) {
|
|
resolve(action(data.data, streamSink));
|
|
}).then(function () {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.START_COMPLETE,
|
|
streamId,
|
|
success: true
|
|
});
|
|
}, function (reason) {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.START_COMPLETE,
|
|
streamId,
|
|
reason: wrapReason(reason)
|
|
});
|
|
});
|
|
}
|
|
|
|
_processStreamMessage(data) {
|
|
const streamId = data.streamId;
|
|
const sourceName = this.sourceName;
|
|
const targetName = data.sourceName;
|
|
const comObj = this.comObj;
|
|
|
|
switch (data.stream) {
|
|
case StreamKind.START_COMPLETE:
|
|
if (data.success) {
|
|
this.streamControllers[streamId].startCall.resolve();
|
|
} else {
|
|
this.streamControllers[streamId].startCall.reject(wrapReason(data.reason));
|
|
}
|
|
|
|
break;
|
|
|
|
case StreamKind.PULL_COMPLETE:
|
|
if (data.success) {
|
|
this.streamControllers[streamId].pullCall.resolve();
|
|
} else {
|
|
this.streamControllers[streamId].pullCall.reject(wrapReason(data.reason));
|
|
}
|
|
|
|
break;
|
|
|
|
case StreamKind.PULL:
|
|
if (!this.streamSinks[streamId]) {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.PULL_COMPLETE,
|
|
streamId,
|
|
success: true
|
|
});
|
|
break;
|
|
}
|
|
|
|
if (this.streamSinks[streamId].desiredSize <= 0 && data.desiredSize > 0) {
|
|
this.streamSinks[streamId].sinkCapability.resolve();
|
|
}
|
|
|
|
this.streamSinks[streamId].desiredSize = data.desiredSize;
|
|
const {
|
|
onPull
|
|
} = this.streamSinks[data.streamId];
|
|
new Promise(function (resolve) {
|
|
resolve(onPull && onPull());
|
|
}).then(function () {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.PULL_COMPLETE,
|
|
streamId,
|
|
success: true
|
|
});
|
|
}, function (reason) {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.PULL_COMPLETE,
|
|
streamId,
|
|
reason: wrapReason(reason)
|
|
});
|
|
});
|
|
break;
|
|
|
|
case StreamKind.ENQUEUE:
|
|
(0, _util.assert)(this.streamControllers[streamId], "enqueue should have stream controller");
|
|
|
|
if (this.streamControllers[streamId].isClosed) {
|
|
break;
|
|
}
|
|
|
|
this.streamControllers[streamId].controller.enqueue(data.chunk);
|
|
break;
|
|
|
|
case StreamKind.CLOSE:
|
|
(0, _util.assert)(this.streamControllers[streamId], "close should have stream controller");
|
|
|
|
if (this.streamControllers[streamId].isClosed) {
|
|
break;
|
|
}
|
|
|
|
this.streamControllers[streamId].isClosed = true;
|
|
this.streamControllers[streamId].controller.close();
|
|
|
|
this._deleteStreamController(streamId);
|
|
|
|
break;
|
|
|
|
case StreamKind.ERROR:
|
|
(0, _util.assert)(this.streamControllers[streamId], "error should have stream controller");
|
|
this.streamControllers[streamId].controller.error(wrapReason(data.reason));
|
|
|
|
this._deleteStreamController(streamId);
|
|
|
|
break;
|
|
|
|
case StreamKind.CANCEL_COMPLETE:
|
|
if (data.success) {
|
|
this.streamControllers[streamId].cancelCall.resolve();
|
|
} else {
|
|
this.streamControllers[streamId].cancelCall.reject(wrapReason(data.reason));
|
|
}
|
|
|
|
this._deleteStreamController(streamId);
|
|
|
|
break;
|
|
|
|
case StreamKind.CANCEL:
|
|
if (!this.streamSinks[streamId]) {
|
|
break;
|
|
}
|
|
|
|
const {
|
|
onCancel
|
|
} = this.streamSinks[data.streamId];
|
|
new Promise(function (resolve) {
|
|
resolve(onCancel && onCancel(wrapReason(data.reason)));
|
|
}).then(function () {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.CANCEL_COMPLETE,
|
|
streamId,
|
|
success: true
|
|
});
|
|
}, function (reason) {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.CANCEL_COMPLETE,
|
|
streamId,
|
|
reason: wrapReason(reason)
|
|
});
|
|
});
|
|
this.streamSinks[streamId].sinkCapability.reject(wrapReason(data.reason));
|
|
this.streamSinks[streamId].isCancelled = true;
|
|
delete this.streamSinks[streamId];
|
|
break;
|
|
|
|
default:
|
|
throw new Error("Unexpected stream case");
|
|
}
|
|
}
|
|
|
|
async _deleteStreamController(streamId) {
|
|
await Promise.allSettled([this.streamControllers[streamId].startCall, this.streamControllers[streamId].pullCall, this.streamControllers[streamId].cancelCall].map(function (capability) {
|
|
return capability && capability.promise;
|
|
}));
|
|
delete this.streamControllers[streamId];
|
|
}
|
|
|
|
_postMessage(message, transfers) {
|
|
if (transfers && this.postMessageTransfers) {
|
|
this.comObj.postMessage(message, transfers);
|
|
} else {
|
|
this.comObj.postMessage(message);
|
|
}
|
|
}
|
|
|
|
destroy() {
|
|
this.comObj.removeEventListener("message", this._onComObjOnMessage);
|
|
}
|
|
|
|
}
|
|
|
|
exports.MessageHandler = MessageHandler;
|
|
|
|
/***/ }),
|
|
/* 14 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.Metadata = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
var _xml_parser = __w_pdfjs_require__(15);
|
|
|
|
class Metadata {
|
|
constructor(data) {
|
|
(0, _util.assert)(typeof data === "string", "Metadata: input is not a string");
|
|
data = this._repair(data);
|
|
const parser = new _xml_parser.SimpleXMLParser();
|
|
const xmlDocument = parser.parseFromString(data);
|
|
this._metadataMap = new Map();
|
|
|
|
if (xmlDocument) {
|
|
this._parse(xmlDocument);
|
|
}
|
|
}
|
|
|
|
_repair(data) {
|
|
return data.replace(/^[^<]+/, "").replace(/>\\376\\377([^<]+)/g, function (all, codes) {
|
|
const bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
|
|
return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
|
|
}).replace(/&(amp|apos|gt|lt|quot);/g, function (str, name) {
|
|
switch (name) {
|
|
case "amp":
|
|
return "&";
|
|
|
|
case "apos":
|
|
return "'";
|
|
|
|
case "gt":
|
|
return ">";
|
|
|
|
case "lt":
|
|
return "<";
|
|
|
|
case "quot":
|
|
return '"';
|
|
}
|
|
|
|
throw new Error(`_repair: ${name} isn't defined.`);
|
|
});
|
|
let chars = "";
|
|
|
|
for (let i = 0, ii = bytes.length; i < ii; i += 2) {
|
|
const code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
|
|
|
|
if (code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38) {
|
|
chars += String.fromCharCode(code);
|
|
} else {
|
|
chars += "&#x" + (0x10000 + code).toString(16).substring(1) + ";";
|
|
}
|
|
}
|
|
|
|
return ">" + chars;
|
|
});
|
|
}
|
|
|
|
_parse(xmlDocument) {
|
|
let rdf = xmlDocument.documentElement;
|
|
|
|
if (rdf.nodeName.toLowerCase() !== "rdf:rdf") {
|
|
rdf = rdf.firstChild;
|
|
|
|
while (rdf && rdf.nodeName.toLowerCase() !== "rdf:rdf") {
|
|
rdf = rdf.nextSibling;
|
|
}
|
|
}
|
|
|
|
const nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
|
|
|
|
if (!rdf || nodeName !== "rdf:rdf" || !rdf.hasChildNodes()) {
|
|
return;
|
|
}
|
|
|
|
const children = rdf.childNodes;
|
|
|
|
for (let i = 0, ii = children.length; i < ii; i++) {
|
|
const desc = children[i];
|
|
|
|
if (desc.nodeName.toLowerCase() !== "rdf:description") {
|
|
continue;
|
|
}
|
|
|
|
for (let j = 0, jj = desc.childNodes.length; j < jj; j++) {
|
|
if (desc.childNodes[j].nodeName.toLowerCase() !== "#text") {
|
|
const entry = desc.childNodes[j];
|
|
const name = entry.nodeName.toLowerCase();
|
|
|
|
this._metadataMap.set(name, entry.textContent.trim());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
get(name) {
|
|
return this._metadataMap.has(name) ? this._metadataMap.get(name) : null;
|
|
}
|
|
|
|
getAll() {
|
|
return Object.fromEntries(this._metadataMap);
|
|
}
|
|
|
|
has(name) {
|
|
return this._metadataMap.has(name);
|
|
}
|
|
|
|
}
|
|
|
|
exports.Metadata = Metadata;
|
|
|
|
/***/ }),
|
|
/* 15 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.SimpleXMLParser = void 0;
|
|
const XMLParserErrorCode = {
|
|
NoError: 0,
|
|
EndOfDocument: -1,
|
|
UnterminatedCdat: -2,
|
|
UnterminatedXmlDeclaration: -3,
|
|
UnterminatedDoctypeDeclaration: -4,
|
|
UnterminatedComment: -5,
|
|
MalformedElement: -6,
|
|
OutOfMemory: -7,
|
|
UnterminatedAttributeValue: -8,
|
|
UnterminatedElement: -9,
|
|
ElementNeverBegun: -10
|
|
};
|
|
|
|
function isWhitespace(s, index) {
|
|
const ch = s[index];
|
|
return ch === " " || ch === "\n" || ch === "\r" || ch === "\t";
|
|
}
|
|
|
|
function isWhitespaceString(s) {
|
|
for (let i = 0, ii = s.length; i < ii; i++) {
|
|
if (!isWhitespace(s, i)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
class XMLParserBase {
|
|
_resolveEntities(s) {
|
|
return s.replace(/&([^;]+);/g, (all, entity) => {
|
|
if (entity.substring(0, 2) === "#x") {
|
|
return String.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) {
|
|
const attributes = [];
|
|
let pos = start;
|
|
|
|
function skipWs() {
|
|
while (pos < s.length && isWhitespace(s, pos)) {
|
|
++pos;
|
|
}
|
|
}
|
|
|
|
while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") {
|
|
++pos;
|
|
}
|
|
|
|
const name = s.substring(start, pos);
|
|
skipWs();
|
|
|
|
while (pos < s.length && s[pos] !== ">" && s[pos] !== "/" && s[pos] !== "?") {
|
|
skipWs();
|
|
let attrName = "",
|
|
attrValue = "";
|
|
|
|
while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== "=") {
|
|
attrName += s[pos];
|
|
++pos;
|
|
}
|
|
|
|
skipWs();
|
|
|
|
if (s[pos] !== "=") {
|
|
return null;
|
|
}
|
|
|
|
++pos;
|
|
skipWs();
|
|
const attrEndChar = s[pos];
|
|
|
|
if (attrEndChar !== '"' && attrEndChar !== "'") {
|
|
return null;
|
|
}
|
|
|
|
const attrEndIndex = s.indexOf(attrEndChar, ++pos);
|
|
|
|
if (attrEndIndex < 0) {
|
|
return null;
|
|
}
|
|
|
|
attrValue = s.substring(pos, attrEndIndex);
|
|
attributes.push({
|
|
name: attrName,
|
|
value: this._resolveEntities(attrValue)
|
|
});
|
|
pos = attrEndIndex + 1;
|
|
skipWs();
|
|
}
|
|
|
|
return {
|
|
name,
|
|
attributes,
|
|
parsed: pos - start
|
|
};
|
|
}
|
|
|
|
_parseProcessingInstruction(s, start) {
|
|
let pos = start;
|
|
|
|
function skipWs() {
|
|
while (pos < s.length && isWhitespace(s, pos)) {
|
|
++pos;
|
|
}
|
|
}
|
|
|
|
while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") {
|
|
++pos;
|
|
}
|
|
|
|
const name = s.substring(start, pos);
|
|
skipWs();
|
|
const attrStart = pos;
|
|
|
|
while (pos < s.length && (s[pos] !== "?" || s[pos + 1] !== ">")) {
|
|
++pos;
|
|
}
|
|
|
|
const value = s.substring(attrStart, pos);
|
|
return {
|
|
name,
|
|
value,
|
|
parsed: pos - start
|
|
};
|
|
}
|
|
|
|
parseXml(s) {
|
|
let i = 0;
|
|
|
|
while (i < s.length) {
|
|
const ch = s[i];
|
|
let j = i;
|
|
|
|
if (ch === "<") {
|
|
++j;
|
|
const ch2 = s[j];
|
|
let q;
|
|
|
|
switch (ch2) {
|
|
case "/":
|
|
++j;
|
|
q = s.indexOf(">", j);
|
|
|
|
if (q < 0) {
|
|
this.onError(XMLParserErrorCode.UnterminatedElement);
|
|
return;
|
|
}
|
|
|
|
this.onEndElement(s.substring(j, q));
|
|
j = q + 1;
|
|
break;
|
|
|
|
case "?":
|
|
++j;
|
|
|
|
const pi = this._parseProcessingInstruction(s, j);
|
|
|
|
if (s.substring(j + pi.parsed, j + pi.parsed + 2) !== "?>") {
|
|
this.onError(XMLParserErrorCode.UnterminatedXmlDeclaration);
|
|
return;
|
|
}
|
|
|
|
this.onPi(pi.name, pi.value);
|
|
j += pi.parsed + 2;
|
|
break;
|
|
|
|
case "!":
|
|
if (s.substring(j + 1, j + 3) === "--") {
|
|
q = s.indexOf("-->", j + 3);
|
|
|
|
if (q < 0) {
|
|
this.onError(XMLParserErrorCode.UnterminatedComment);
|
|
return;
|
|
}
|
|
|
|
this.onComment(s.substring(j + 3, q));
|
|
j = q + 3;
|
|
} else if (s.substring(j + 1, j + 8) === "[CDATA[") {
|
|
q = s.indexOf("]]>", j + 8);
|
|
|
|
if (q < 0) {
|
|
this.onError(XMLParserErrorCode.UnterminatedCdat);
|
|
return;
|
|
}
|
|
|
|
this.onCdata(s.substring(j + 8, q));
|
|
j = q + 3;
|
|
} else if (s.substring(j + 1, j + 8) === "DOCTYPE") {
|
|
const q2 = s.indexOf("[", j + 8);
|
|
let complexDoctype = false;
|
|
q = s.indexOf(">", j + 8);
|
|
|
|
if (q < 0) {
|
|
this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
|
|
return;
|
|
}
|
|
|
|
if (q2 > 0 && q > q2) {
|
|
q = s.indexOf("]>", j + 8);
|
|
|
|
if (q < 0) {
|
|
this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
|
|
return;
|
|
}
|
|
|
|
complexDoctype = true;
|
|
}
|
|
|
|
const doctypeContent = s.substring(j + 8, q + (complexDoctype ? 1 : 0));
|
|
this.onDoctype(doctypeContent);
|
|
j = q + (complexDoctype ? 2 : 1);
|
|
} else {
|
|
this.onError(XMLParserErrorCode.MalformedElement);
|
|
return;
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
const content = this._parseContent(s, j);
|
|
|
|
if (content === null) {
|
|
this.onError(XMLParserErrorCode.MalformedElement);
|
|
return;
|
|
}
|
|
|
|
let isClosed = false;
|
|
|
|
if (s.substring(j + content.parsed, j + content.parsed + 2) === "/>") {
|
|
isClosed = true;
|
|
} else if (s.substring(j + content.parsed, j + content.parsed + 1) !== ">") {
|
|
this.onError(XMLParserErrorCode.UnterminatedElement);
|
|
return;
|
|
}
|
|
|
|
this.onBeginElement(content.name, content.attributes, isClosed);
|
|
j += content.parsed + (isClosed ? 2 : 1);
|
|
break;
|
|
}
|
|
} else {
|
|
while (j < s.length && s[j] !== "<") {
|
|
j++;
|
|
}
|
|
|
|
const text = s.substring(i, j);
|
|
this.onText(this._resolveEntities(text));
|
|
}
|
|
|
|
i = j;
|
|
}
|
|
}
|
|
|
|
onResolveEntity(name) {
|
|
return `&${name};`;
|
|
}
|
|
|
|
onPi(name, value) {}
|
|
|
|
onComment(text) {}
|
|
|
|
onCdata(text) {}
|
|
|
|
onDoctype(doctypeContent) {}
|
|
|
|
onText(text) {}
|
|
|
|
onBeginElement(name, attributes, isEmpty) {}
|
|
|
|
onEndElement(name) {}
|
|
|
|
onError(code) {}
|
|
|
|
}
|
|
|
|
class SimpleDOMNode {
|
|
constructor(nodeName, nodeValue) {
|
|
this.nodeName = nodeName;
|
|
this.nodeValue = nodeValue;
|
|
Object.defineProperty(this, "parentNode", {
|
|
value: null,
|
|
writable: true
|
|
});
|
|
}
|
|
|
|
get firstChild() {
|
|
return this.childNodes && this.childNodes[0];
|
|
}
|
|
|
|
get nextSibling() {
|
|
const childNodes = this.parentNode.childNodes;
|
|
|
|
if (!childNodes) {
|
|
return undefined;
|
|
}
|
|
|
|
const index = childNodes.indexOf(this);
|
|
|
|
if (index === -1) {
|
|
return undefined;
|
|
}
|
|
|
|
return childNodes[index + 1];
|
|
}
|
|
|
|
get textContent() {
|
|
if (!this.childNodes) {
|
|
return this.nodeValue || "";
|
|
}
|
|
|
|
return this.childNodes.map(function (child) {
|
|
return child.textContent;
|
|
}).join("");
|
|
}
|
|
|
|
hasChildNodes() {
|
|
return this.childNodes && this.childNodes.length > 0;
|
|
}
|
|
|
|
}
|
|
|
|
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];
|
|
|
|
if (!lastElement) {
|
|
return;
|
|
}
|
|
|
|
for (let i = 0, ii = lastElement.childNodes.length; i < ii; i++) {
|
|
lastElement.childNodes[i].parentNode = lastElement;
|
|
}
|
|
}
|
|
|
|
onError(code) {
|
|
this._errorCode = code;
|
|
}
|
|
|
|
}
|
|
|
|
exports.SimpleXMLParser = SimpleXMLParser;
|
|
|
|
/***/ }),
|
|
/* 16 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.OptionalContentConfig = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
class OptionalContentGroup {
|
|
constructor(name, intent) {
|
|
this.visible = true;
|
|
this.name = name;
|
|
this.intent = intent;
|
|
}
|
|
|
|
}
|
|
|
|
class OptionalContentConfig {
|
|
constructor(data) {
|
|
this.name = null;
|
|
this.creator = null;
|
|
this._order = null;
|
|
this._groups = new Map();
|
|
|
|
if (data === null) {
|
|
return;
|
|
}
|
|
|
|
this.name = data.name;
|
|
this.creator = data.creator;
|
|
this._order = data.order;
|
|
|
|
for (const group of data.groups) {
|
|
this._groups.set(group.id, new OptionalContentGroup(group.name, group.intent));
|
|
}
|
|
|
|
if (data.baseState === "OFF") {
|
|
for (const group of this._groups) {
|
|
group.visible = false;
|
|
}
|
|
}
|
|
|
|
for (const on of data.on) {
|
|
this._groups.get(on).visible = true;
|
|
}
|
|
|
|
for (const off of data.off) {
|
|
this._groups.get(off).visible = false;
|
|
}
|
|
}
|
|
|
|
isVisible(group) {
|
|
if (group.type === "OCG") {
|
|
if (!this._groups.has(group.id)) {
|
|
(0, _util.warn)(`Optional content group not found: ${group.id}`);
|
|
return true;
|
|
}
|
|
|
|
return this._groups.get(group.id).visible;
|
|
} else if (group.type === "OCMD") {
|
|
if (group.expression) {
|
|
(0, _util.warn)("Visibility expression not supported yet.");
|
|
}
|
|
|
|
if (!group.policy || group.policy === "AnyOn") {
|
|
for (const id of group.ids) {
|
|
if (!this._groups.has(id)) {
|
|
(0, _util.warn)(`Optional content group not found: ${id}`);
|
|
return true;
|
|
}
|
|
|
|
if (this._groups.get(id).visible) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
} else if (group.policy === "AllOn") {
|
|
for (const id of group.ids) {
|
|
if (!this._groups.has(id)) {
|
|
(0, _util.warn)(`Optional content group not found: ${id}`);
|
|
return true;
|
|
}
|
|
|
|
if (!this._groups.get(id).visible) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
} else if (group.policy === "AnyOff") {
|
|
for (const id of group.ids) {
|
|
if (!this._groups.has(id)) {
|
|
(0, _util.warn)(`Optional content group not found: ${id}`);
|
|
return true;
|
|
}
|
|
|
|
if (!this._groups.get(id).visible) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
} else if (group.policy === "AllOff") {
|
|
for (const id of group.ids) {
|
|
if (!this._groups.has(id)) {
|
|
(0, _util.warn)(`Optional content group not found: ${id}`);
|
|
return true;
|
|
}
|
|
|
|
if (this._groups.get(id).visible) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
(0, _util.warn)(`Unknown optional content policy ${group.policy}.`);
|
|
return true;
|
|
}
|
|
|
|
(0, _util.warn)(`Unknown group type ${group.type}.`);
|
|
return true;
|
|
}
|
|
|
|
setVisibility(id, visible = true) {
|
|
if (!this._groups.has(id)) {
|
|
(0, _util.warn)(`Optional content group not found: ${id}`);
|
|
return;
|
|
}
|
|
|
|
this._groups.get(id).visible = !!visible;
|
|
}
|
|
|
|
getOrder() {
|
|
if (!this._groups.size) {
|
|
return null;
|
|
}
|
|
|
|
if (this._order) {
|
|
return this._order.slice();
|
|
}
|
|
|
|
return Array.from(this._groups.keys());
|
|
}
|
|
|
|
getGroups() {
|
|
if (!this._groups.size) {
|
|
return null;
|
|
}
|
|
|
|
return Object.fromEntries(this._groups);
|
|
}
|
|
|
|
getGroup(id) {
|
|
return this._groups.get(id) || null;
|
|
}
|
|
|
|
}
|
|
|
|
exports.OptionalContentConfig = OptionalContentConfig;
|
|
|
|
/***/ }),
|
|
/* 17 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.PDFDataTransportStream = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
class PDFDataTransportStream {
|
|
constructor(params, pdfDataRangeTransport) {
|
|
(0, _util.assert)(pdfDataRangeTransport, 'PDFDataTransportStream - missing required "pdfDataRangeTransport" argument.');
|
|
this._queuedChunks = [];
|
|
this._progressiveDone = params.progressiveDone || false;
|
|
const initialData = params.initialData;
|
|
|
|
if (initialData && initialData.length > 0) {
|
|
const buffer = new Uint8Array(initialData).buffer;
|
|
|
|
this._queuedChunks.push(buffer);
|
|
}
|
|
|
|
this._pdfDataRangeTransport = pdfDataRangeTransport;
|
|
this._isStreamingSupported = !params.disableStream;
|
|
this._isRangeSupported = !params.disableRange;
|
|
this._contentLength = params.length;
|
|
this._fullRequestReader = null;
|
|
this._rangeReaders = [];
|
|
|
|
this._pdfDataRangeTransport.addRangeListener((begin, chunk) => {
|
|
this._onReceiveData({
|
|
begin,
|
|
chunk
|
|
});
|
|
});
|
|
|
|
this._pdfDataRangeTransport.addProgressListener((loaded, total) => {
|
|
this._onProgress({
|
|
loaded,
|
|
total
|
|
});
|
|
});
|
|
|
|
this._pdfDataRangeTransport.addProgressiveReadListener(chunk => {
|
|
this._onReceiveData({
|
|
chunk
|
|
});
|
|
});
|
|
|
|
this._pdfDataRangeTransport.addProgressiveDoneListener(() => {
|
|
this._onProgressiveDone();
|
|
});
|
|
|
|
this._pdfDataRangeTransport.transportReady();
|
|
}
|
|
|
|
_onReceiveData(args) {
|
|
const buffer = new Uint8Array(args.chunk).buffer;
|
|
|
|
if (args.begin === undefined) {
|
|
if (this._fullRequestReader) {
|
|
this._fullRequestReader._enqueue(buffer);
|
|
} else {
|
|
this._queuedChunks.push(buffer);
|
|
}
|
|
} else {
|
|
const found = this._rangeReaders.some(function (rangeReader) {
|
|
if (rangeReader._begin !== args.begin) {
|
|
return false;
|
|
}
|
|
|
|
rangeReader._enqueue(buffer);
|
|
|
|
return true;
|
|
});
|
|
|
|
(0, _util.assert)(found, "_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.");
|
|
}
|
|
}
|
|
|
|
get _progressiveDataLength() {
|
|
return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
|
|
}
|
|
|
|
_onProgress(evt) {
|
|
if (evt.total === undefined) {
|
|
const firstReader = this._rangeReaders[0];
|
|
|
|
if (firstReader && firstReader.onProgress) {
|
|
firstReader.onProgress({
|
|
loaded: evt.loaded
|
|
});
|
|
}
|
|
} else {
|
|
const fullReader = this._fullRequestReader;
|
|
|
|
if (fullReader && fullReader.onProgress) {
|
|
fullReader.onProgress({
|
|
loaded: evt.loaded,
|
|
total: evt.total
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
_onProgressiveDone() {
|
|
if (this._fullRequestReader) {
|
|
this._fullRequestReader.progressiveDone();
|
|
}
|
|
|
|
this._progressiveDone = true;
|
|
}
|
|
|
|
_removeRangeReader(reader) {
|
|
const i = this._rangeReaders.indexOf(reader);
|
|
|
|
if (i >= 0) {
|
|
this._rangeReaders.splice(i, 1);
|
|
}
|
|
}
|
|
|
|
getFullReader() {
|
|
(0, _util.assert)(!this._fullRequestReader, "PDFDataTransportStream.getFullReader can only be called once.");
|
|
const queuedChunks = this._queuedChunks;
|
|
this._queuedChunks = null;
|
|
return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone);
|
|
}
|
|
|
|
getRangeReader(begin, end) {
|
|
if (end <= this._progressiveDataLength) {
|
|
return null;
|
|
}
|
|
|
|
const reader = new PDFDataTransportStreamRangeReader(this, begin, end);
|
|
|
|
this._pdfDataRangeTransport.requestDataRange(begin, end);
|
|
|
|
this._rangeReaders.push(reader);
|
|
|
|
return reader;
|
|
}
|
|
|
|
cancelAllRequests(reason) {
|
|
if (this._fullRequestReader) {
|
|
this._fullRequestReader.cancel(reason);
|
|
}
|
|
|
|
const readers = this._rangeReaders.slice(0);
|
|
|
|
readers.forEach(function (rangeReader) {
|
|
rangeReader.cancel(reason);
|
|
});
|
|
|
|
this._pdfDataRangeTransport.abort();
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFDataTransportStream = PDFDataTransportStream;
|
|
|
|
class PDFDataTransportStreamReader {
|
|
constructor(stream, queuedChunks, progressiveDone = false) {
|
|
this._stream = stream;
|
|
this._done = progressiveDone || false;
|
|
this._filename = null;
|
|
this._queuedChunks = queuedChunks || [];
|
|
this._loaded = 0;
|
|
|
|
for (const chunk of this._queuedChunks) {
|
|
this._loaded += chunk.byteLength;
|
|
}
|
|
|
|
this._requests = [];
|
|
this._headersReady = Promise.resolve();
|
|
stream._fullRequestReader = this;
|
|
this.onProgress = null;
|
|
}
|
|
|
|
_enqueue(chunk) {
|
|
if (this._done) {
|
|
return;
|
|
}
|
|
|
|
if (this._requests.length > 0) {
|
|
const requestCapability = this._requests.shift();
|
|
|
|
requestCapability.resolve({
|
|
value: chunk,
|
|
done: false
|
|
});
|
|
} else {
|
|
this._queuedChunks.push(chunk);
|
|
}
|
|
|
|
this._loaded += chunk.byteLength;
|
|
}
|
|
|
|
get headersReady() {
|
|
return this._headersReady;
|
|
}
|
|
|
|
get filename() {
|
|
return this._filename;
|
|
}
|
|
|
|
get isRangeSupported() {
|
|
return this._stream._isRangeSupported;
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return this._stream._isStreamingSupported;
|
|
}
|
|
|
|
get contentLength() {
|
|
return this._stream._contentLength;
|
|
}
|
|
|
|
async read() {
|
|
if (this._queuedChunks.length > 0) {
|
|
const chunk = this._queuedChunks.shift();
|
|
|
|
return {
|
|
value: chunk,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
|
|
const requestCapability = (0, _util.createPromiseCapability)();
|
|
|
|
this._requests.push(requestCapability);
|
|
|
|
return requestCapability.promise;
|
|
}
|
|
|
|
cancel(reason) {
|
|
this._done = true;
|
|
|
|
this._requests.forEach(function (requestCapability) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
});
|
|
|
|
this._requests = [];
|
|
}
|
|
|
|
progressiveDone() {
|
|
if (this._done) {
|
|
return;
|
|
}
|
|
|
|
this._done = true;
|
|
}
|
|
|
|
}
|
|
|
|
class PDFDataTransportStreamRangeReader {
|
|
constructor(stream, begin, end) {
|
|
this._stream = stream;
|
|
this._begin = begin;
|
|
this._end = end;
|
|
this._queuedChunk = null;
|
|
this._requests = [];
|
|
this._done = false;
|
|
this.onProgress = null;
|
|
}
|
|
|
|
_enqueue(chunk) {
|
|
if (this._done) {
|
|
return;
|
|
}
|
|
|
|
if (this._requests.length === 0) {
|
|
this._queuedChunk = chunk;
|
|
} else {
|
|
const requestsCapability = this._requests.shift();
|
|
|
|
requestsCapability.resolve({
|
|
value: chunk,
|
|
done: false
|
|
});
|
|
|
|
this._requests.forEach(function (requestCapability) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
});
|
|
|
|
this._requests = [];
|
|
}
|
|
|
|
this._done = true;
|
|
|
|
this._stream._removeRangeReader(this);
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return false;
|
|
}
|
|
|
|
async read() {
|
|
if (this._queuedChunk) {
|
|
const chunk = this._queuedChunk;
|
|
this._queuedChunk = null;
|
|
return {
|
|
value: chunk,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
|
|
const requestCapability = (0, _util.createPromiseCapability)();
|
|
|
|
this._requests.push(requestCapability);
|
|
|
|
return requestCapability.promise;
|
|
}
|
|
|
|
cancel(reason) {
|
|
this._done = true;
|
|
|
|
this._requests.forEach(function (requestCapability) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
});
|
|
|
|
this._requests = [];
|
|
|
|
this._stream._removeRangeReader(this);
|
|
}
|
|
|
|
}
|
|
|
|
/***/ }),
|
|
/* 18 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.WebGLContext = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
class WebGLContext {
|
|
constructor({
|
|
enable = false
|
|
}) {
|
|
this._enabled = enable === true;
|
|
}
|
|
|
|
get isEnabled() {
|
|
let enabled = this._enabled;
|
|
|
|
if (enabled) {
|
|
enabled = WebGLUtils.tryInitGL();
|
|
}
|
|
|
|
return (0, _util.shadow)(this, "isEnabled", enabled);
|
|
}
|
|
|
|
composeSMask({
|
|
layer,
|
|
mask,
|
|
properties
|
|
}) {
|
|
return WebGLUtils.composeSMask(layer, mask, properties);
|
|
}
|
|
|
|
drawFigures({
|
|
width,
|
|
height,
|
|
backgroundColor,
|
|
figures,
|
|
context
|
|
}) {
|
|
return WebGLUtils.drawFigures(width, height, backgroundColor, figures, context);
|
|
}
|
|
|
|
clear() {
|
|
WebGLUtils.cleanup();
|
|
}
|
|
|
|
}
|
|
|
|
exports.WebGLContext = WebGLContext;
|
|
|
|
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;
|
|
}
|
|
|
|
};
|
|
}();
|
|
|
|
/***/ }),
|
|
/* 19 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.AnnotationLayer = void 0;
|
|
|
|
var _display_utils = __w_pdfjs_require__(1);
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
var _annotation_storage = __w_pdfjs_require__(8);
|
|
|
|
class AnnotationElementFactory {
|
|
static create(parameters) {
|
|
const subtype = parameters.data.annotationType;
|
|
|
|
switch (subtype) {
|
|
case _util.AnnotationType.LINK:
|
|
return new LinkAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.TEXT:
|
|
return new TextAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.WIDGET:
|
|
const fieldType = parameters.data.fieldType;
|
|
|
|
switch (fieldType) {
|
|
case "Tx":
|
|
return new TextWidgetAnnotationElement(parameters);
|
|
|
|
case "Btn":
|
|
if (parameters.data.radioButton) {
|
|
return new RadioButtonWidgetAnnotationElement(parameters);
|
|
} else if (parameters.data.checkBox) {
|
|
return new CheckboxWidgetAnnotationElement(parameters);
|
|
}
|
|
|
|
return new PushButtonWidgetAnnotationElement(parameters);
|
|
|
|
case "Ch":
|
|
return new ChoiceWidgetAnnotationElement(parameters);
|
|
}
|
|
|
|
return new WidgetAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.POPUP:
|
|
return new PopupAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.FREETEXT:
|
|
return new FreeTextAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.LINE:
|
|
return new LineAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.SQUARE:
|
|
return new SquareAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.CIRCLE:
|
|
return new CircleAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.POLYLINE:
|
|
return new PolylineAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.CARET:
|
|
return new CaretAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.INK:
|
|
return new InkAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.POLYGON:
|
|
return new PolygonAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.HIGHLIGHT:
|
|
return new HighlightAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.UNDERLINE:
|
|
return new UnderlineAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.SQUIGGLY:
|
|
return new SquigglyAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.STRIKEOUT:
|
|
return new StrikeOutAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.STAMP:
|
|
return new StampAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.FILEATTACHMENT:
|
|
return new FileAttachmentAnnotationElement(parameters);
|
|
|
|
default:
|
|
return new AnnotationElement(parameters);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
class AnnotationElement {
|
|
constructor(parameters, isRenderable = false, ignoreBorder = false) {
|
|
this.isRenderable = isRenderable;
|
|
this.data = parameters.data;
|
|
this.layer = parameters.layer;
|
|
this.page = parameters.page;
|
|
this.viewport = parameters.viewport;
|
|
this.linkService = parameters.linkService;
|
|
this.downloadManager = parameters.downloadManager;
|
|
this.imageResourcesPath = parameters.imageResourcesPath;
|
|
this.renderInteractiveForms = parameters.renderInteractiveForms;
|
|
this.svgFactory = parameters.svgFactory;
|
|
this.annotationStorage = parameters.annotationStorage;
|
|
|
|
if (isRenderable) {
|
|
this.container = this._createContainer(ignoreBorder);
|
|
}
|
|
}
|
|
|
|
_createContainer(ignoreBorder = false) {
|
|
const data = this.data,
|
|
page = this.page,
|
|
viewport = this.viewport;
|
|
const container = document.createElement("section");
|
|
let width = data.rect[2] - data.rect[0];
|
|
let height = data.rect[3] - data.rect[1];
|
|
container.setAttribute("data-annotation-id", data.id);
|
|
|
|
const rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
|
|
|
|
container.style.transform = `matrix(${viewport.transform.join(",")})`;
|
|
container.style.transformOrigin = `-${rect[0]}px -${rect[1]}px`;
|
|
|
|
if (!ignoreBorder && data.borderStyle.width > 0) {
|
|
container.style.borderWidth = `${data.borderStyle.width}px`;
|
|
|
|
if (data.borderStyle.style !== _util.AnnotationBorderStyleType.UNDERLINE) {
|
|
width = width - 2 * data.borderStyle.width;
|
|
height = height - 2 * data.borderStyle.width;
|
|
}
|
|
|
|
const horizontalRadius = data.borderStyle.horizontalCornerRadius;
|
|
const verticalRadius = data.borderStyle.verticalCornerRadius;
|
|
|
|
if (horizontalRadius > 0 || verticalRadius > 0) {
|
|
const radius = `${horizontalRadius}px / ${verticalRadius}px`;
|
|
container.style.borderRadius = radius;
|
|
}
|
|
|
|
switch (data.borderStyle.style) {
|
|
case _util.AnnotationBorderStyleType.SOLID:
|
|
container.style.borderStyle = "solid";
|
|
break;
|
|
|
|
case _util.AnnotationBorderStyleType.DASHED:
|
|
container.style.borderStyle = "dashed";
|
|
break;
|
|
|
|
case _util.AnnotationBorderStyleType.BEVELED:
|
|
(0, _util.warn)("Unimplemented border style: beveled");
|
|
break;
|
|
|
|
case _util.AnnotationBorderStyleType.INSET:
|
|
(0, _util.warn)("Unimplemented border style: inset");
|
|
break;
|
|
|
|
case _util.AnnotationBorderStyleType.UNDERLINE:
|
|
container.style.borderBottomStyle = "solid";
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (data.color) {
|
|
container.style.borderColor = _util.Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0);
|
|
} else {
|
|
container.style.borderWidth = 0;
|
|
}
|
|
}
|
|
|
|
container.style.left = `${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);
|
|
}
|
|
|
|
const popupElement = new PopupElement({
|
|
container,
|
|
trigger,
|
|
color: data.color,
|
|
title: data.title,
|
|
modificationDate: data.modificationDate,
|
|
contents: data.contents,
|
|
hideWrapper: true
|
|
});
|
|
const popup = popupElement.render();
|
|
popup.style.left = container.style.width;
|
|
container.appendChild(popup);
|
|
}
|
|
|
|
render() {
|
|
(0, _util.unreachable)("Abstract method `AnnotationElement.render` called");
|
|
}
|
|
|
|
}
|
|
|
|
class LinkAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.url || parameters.data.dest || parameters.data.action);
|
|
super(parameters, isRenderable);
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "linkAnnotation";
|
|
const {
|
|
data,
|
|
linkService
|
|
} = this;
|
|
const link = document.createElement("a");
|
|
|
|
if (data.url) {
|
|
(0, _display_utils.addLinkAttributes)(link, {
|
|
url: data.url,
|
|
target: data.newWindow ? _display_utils.LinkTarget.BLANK : linkService.externalLinkTarget,
|
|
rel: linkService.externalLinkRel,
|
|
enabled: linkService.externalLinkEnabled
|
|
});
|
|
} else if (data.action) {
|
|
this._bindNamedAction(link, data.action);
|
|
} else {
|
|
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) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable);
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "textAnnotation";
|
|
const image = document.createElement("img");
|
|
image.style.height = this.container.style.height;
|
|
image.style.width = this.container.style.width;
|
|
image.src = this.imageResourcesPath + "annotation-" + this.data.name.toLowerCase() + ".svg";
|
|
image.alt = "[{{type}} Annotation]";
|
|
image.dataset.l10nId = "text_annotation_type";
|
|
image.dataset.l10nArgs = JSON.stringify({
|
|
type: this.data.name
|
|
});
|
|
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(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) {
|
|
const isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
|
|
super(parameters, isRenderable);
|
|
}
|
|
|
|
render() {
|
|
const TEXT_ALIGNMENT = ["left", "center", "right"];
|
|
const storage = this.annotationStorage;
|
|
const id = this.data.id;
|
|
this.container.className = "textWidgetAnnotation";
|
|
let element = null;
|
|
|
|
if (this.renderInteractiveForms) {
|
|
const textContent = storage.getOrCreateValue(id, this.data.fieldValue);
|
|
|
|
if (this.data.multiLine) {
|
|
element = document.createElement("textarea");
|
|
element.textContent = textContent;
|
|
} else {
|
|
element = document.createElement("input");
|
|
element.type = "text";
|
|
element.setAttribute("value", textContent);
|
|
}
|
|
|
|
element.addEventListener("input", function (event) {
|
|
storage.setValue(id, event.target.value);
|
|
});
|
|
element.disabled = this.data.readOnly;
|
|
element.name = this.data.fieldName;
|
|
|
|
if (this.data.maxLen !== null) {
|
|
element.maxLength = this.data.maxLen;
|
|
}
|
|
|
|
if (this.data.comb) {
|
|
const fieldWidth = this.data.rect[2] - this.data.rect[0];
|
|
const combWidth = fieldWidth / this.data.maxLen;
|
|
element.classList.add("comb");
|
|
element.style.letterSpacing = `calc(${combWidth}px - 1ch)`;
|
|
}
|
|
} else {
|
|
element = document.createElement("div");
|
|
element.textContent = this.data.fieldValue;
|
|
element.style.verticalAlign = "middle";
|
|
element.style.display = "table-cell";
|
|
let font = null;
|
|
|
|
if (this.data.fontRefName && this.page.commonObjs.has(this.data.fontRefName)) {
|
|
font = this.page.commonObjs.get(this.data.fontRefName);
|
|
}
|
|
|
|
this._setTextStyle(element, font);
|
|
}
|
|
|
|
if (this.data.textAlignment !== null) {
|
|
element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
|
|
}
|
|
|
|
this.container.appendChild(element);
|
|
return this.container;
|
|
}
|
|
|
|
_setTextStyle(element, font) {
|
|
const style = element.style;
|
|
style.fontSize = `${this.data.fontSize}px`;
|
|
style.direction = this.data.fontDirection < 0 ? "rtl" : "ltr";
|
|
|
|
if (!font) {
|
|
return;
|
|
}
|
|
|
|
let bold = "normal";
|
|
|
|
if (font.black) {
|
|
bold = "900";
|
|
} else if (font.bold) {
|
|
bold = "bold";
|
|
}
|
|
|
|
style.fontWeight = bold;
|
|
style.fontStyle = font.italic ? "italic" : "normal";
|
|
const fontFamily = font.loadedName ? `"${font.loadedName}", ` : "";
|
|
const fallbackName = font.fallbackName || "Helvetica, sans-serif";
|
|
style.fontFamily = fontFamily + fallbackName;
|
|
}
|
|
|
|
}
|
|
|
|
class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters, parameters.renderInteractiveForms);
|
|
}
|
|
|
|
render() {
|
|
const storage = this.annotationStorage;
|
|
const data = this.data;
|
|
const id = data.id;
|
|
const value = storage.getOrCreateValue(id, data.fieldValue && data.fieldValue !== "Off");
|
|
this.container.className = "buttonWidgetAnnotation checkBox";
|
|
const element = document.createElement("input");
|
|
element.disabled = data.readOnly;
|
|
element.type = "checkbox";
|
|
element.name = this.data.fieldName;
|
|
|
|
if (value) {
|
|
element.setAttribute("checked", true);
|
|
}
|
|
|
|
element.addEventListener("change", function (event) {
|
|
storage.setValue(id, event.target.checked);
|
|
});
|
|
this.container.appendChild(element);
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters, parameters.renderInteractiveForms);
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "buttonWidgetAnnotation radioButton";
|
|
const storage = this.annotationStorage;
|
|
const data = this.data;
|
|
const id = data.id;
|
|
const value = storage.getOrCreateValue(id, data.fieldValue === data.buttonValue);
|
|
const element = document.createElement("input");
|
|
element.disabled = data.readOnly;
|
|
element.type = "radio";
|
|
element.name = data.fieldName;
|
|
|
|
if (value) {
|
|
element.setAttribute("checked", true);
|
|
}
|
|
|
|
element.addEventListener("change", function (event) {
|
|
const name = event.target.name;
|
|
|
|
for (const radio of document.getElementsByName(name)) {
|
|
if (radio !== event.target) {
|
|
storage.setValue(radio.parentNode.getAttribute("data-annotation-id"), false);
|
|
}
|
|
}
|
|
|
|
storage.setValue(id, event.target.checked);
|
|
});
|
|
this.container.appendChild(element);
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class PushButtonWidgetAnnotationElement extends LinkAnnotationElement {
|
|
render() {
|
|
const container = super.render();
|
|
container.className = "buttonWidgetAnnotation pushButton";
|
|
return container;
|
|
}
|
|
|
|
}
|
|
|
|
class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters, parameters.renderInteractiveForms);
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "choiceWidgetAnnotation";
|
|
const storage = this.annotationStorage;
|
|
const id = this.data.id;
|
|
storage.getOrCreateValue(id, this.data.fieldValue.length > 0 ? this.data.fieldValue[0] : null);
|
|
const selectElement = document.createElement("select");
|
|
selectElement.disabled = this.data.readOnly;
|
|
selectElement.name = this.data.fieldName;
|
|
|
|
if (!this.data.combo) {
|
|
selectElement.size = this.data.options.length;
|
|
|
|
if (this.data.multiSelect) {
|
|
selectElement.multiple = true;
|
|
}
|
|
}
|
|
|
|
for (const option of this.data.options) {
|
|
const optionElement = document.createElement("option");
|
|
optionElement.textContent = option.displayValue;
|
|
optionElement.value = option.exportValue;
|
|
|
|
if (this.data.fieldValue.includes(option.exportValue)) {
|
|
optionElement.setAttribute("selected", true);
|
|
}
|
|
|
|
selectElement.appendChild(optionElement);
|
|
}
|
|
|
|
selectElement.addEventListener("input", function (event) {
|
|
const options = event.target.options;
|
|
const value = options[options.selectedIndex].value;
|
|
storage.setValue(id, value);
|
|
});
|
|
this.container.appendChild(selectElement);
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class PopupAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable);
|
|
}
|
|
|
|
render() {
|
|
const IGNORE_TYPES = ["Line", "Square", "Circle", "PolyLine", "Polygon", "Ink"];
|
|
this.container.className = "popupAnnotation";
|
|
|
|
if (IGNORE_TYPES.includes(this.data.parentType)) {
|
|
return this.container;
|
|
}
|
|
|
|
const selector = `[data-annotation-id="${this.data.parentId}"]`;
|
|
const parentElement = this.layer.querySelector(selector);
|
|
|
|
if (!parentElement) {
|
|
return this.container;
|
|
}
|
|
|
|
const popup = new PopupElement({
|
|
container: this.container,
|
|
trigger: parentElement,
|
|
color: this.data.color,
|
|
title: this.data.title,
|
|
modificationDate: this.data.modificationDate,
|
|
contents: this.data.contents
|
|
});
|
|
const parentLeft = parseFloat(parentElement.style.left);
|
|
const parentWidth = parseFloat(parentElement.style.width);
|
|
this.container.style.transformOrigin = `-${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.modificationDate = parameters.modificationDate;
|
|
this.contents = parameters.contents;
|
|
this.hideWrapper = parameters.hideWrapper || false;
|
|
this.pinned = false;
|
|
}
|
|
|
|
render() {
|
|
const BACKGROUND_ENLIGHT = 0.7;
|
|
const wrapper = document.createElement("div");
|
|
wrapper.className = "popupWrapper";
|
|
this.hideElement = this.hideWrapper ? wrapper : this.container;
|
|
this.hideElement.setAttribute("hidden", true);
|
|
const popup = document.createElement("div");
|
|
popup.className = "popup";
|
|
const color = this.color;
|
|
|
|
if (color) {
|
|
const r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
|
|
const g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
|
|
const b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
|
|
popup.style.backgroundColor = _util.Util.makeCssRgb(r | 0, g | 0, b | 0);
|
|
}
|
|
|
|
const title = document.createElement("h1");
|
|
title.textContent = this.title;
|
|
popup.appendChild(title);
|
|
|
|
const dateObject = _display_utils.PDFDateString.toDateObject(this.modificationDate);
|
|
|
|
if (dateObject) {
|
|
const modificationDate = document.createElement("span");
|
|
modificationDate.textContent = "{{date}}, {{time}}";
|
|
modificationDate.dataset.l10nId = "annotation_date_string";
|
|
modificationDate.dataset.l10nArgs = JSON.stringify({
|
|
date: dateObject.toLocaleDateString(),
|
|
time: dateObject.toLocaleTimeString()
|
|
});
|
|
popup.appendChild(modificationDate);
|
|
}
|
|
|
|
const contents = this._formatContents(this.contents);
|
|
|
|
popup.appendChild(contents);
|
|
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));
|
|
wrapper.appendChild(popup);
|
|
return wrapper;
|
|
}
|
|
|
|
_formatContents(contents) {
|
|
const p = document.createElement("p");
|
|
const lines = contents.split(/(?:\r\n?|\n)/);
|
|
|
|
for (let i = 0, ii = lines.length; i < ii; ++i) {
|
|
const line = lines[i];
|
|
p.appendChild(document.createTextNode(line));
|
|
|
|
if (i < ii - 1) {
|
|
p.appendChild(document.createElement("br"));
|
|
}
|
|
}
|
|
|
|
return p;
|
|
}
|
|
|
|
_toggle() {
|
|
if (this.pinned) {
|
|
this._hide(true);
|
|
} else {
|
|
this._show(true);
|
|
}
|
|
}
|
|
|
|
_show(pin = false) {
|
|
if (pin) {
|
|
this.pinned = true;
|
|
}
|
|
|
|
if (this.hideElement.hasAttribute("hidden")) {
|
|
this.hideElement.removeAttribute("hidden");
|
|
this.container.style.zIndex += 1;
|
|
}
|
|
}
|
|
|
|
_hide(unpin = true) {
|
|
if (unpin) {
|
|
this.pinned = false;
|
|
}
|
|
|
|
if (!this.hideElement.hasAttribute("hidden") && !this.pinned) {
|
|
this.hideElement.setAttribute("hidden", true);
|
|
this.container.style.zIndex -= 1;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
class FreeTextAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "freeTextAnnotation";
|
|
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(this.container, null, this.data);
|
|
}
|
|
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class LineAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "lineAnnotation";
|
|
const data = this.data;
|
|
const width = data.rect[2] - data.rect[0];
|
|
const height = data.rect[3] - data.rect[1];
|
|
const svg = this.svgFactory.create(width, height);
|
|
const line = this.svgFactory.createElement("svg:line");
|
|
line.setAttribute("x1", data.rect[2] - data.lineCoordinates[0]);
|
|
line.setAttribute("y1", data.rect[3] - data.lineCoordinates[1]);
|
|
line.setAttribute("x2", data.rect[2] - data.lineCoordinates[2]);
|
|
line.setAttribute("y2", data.rect[3] - data.lineCoordinates[3]);
|
|
line.setAttribute("stroke-width", data.borderStyle.width || 1);
|
|
line.setAttribute("stroke", "transparent");
|
|
svg.appendChild(line);
|
|
this.container.append(svg);
|
|
|
|
this._createPopup(this.container, line, data);
|
|
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class SquareAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "squareAnnotation";
|
|
const data = this.data;
|
|
const width = data.rect[2] - data.rect[0];
|
|
const height = data.rect[3] - data.rect[1];
|
|
const svg = this.svgFactory.create(width, height);
|
|
const borderWidth = data.borderStyle.width;
|
|
const square = this.svgFactory.createElement("svg:rect");
|
|
square.setAttribute("x", borderWidth / 2);
|
|
square.setAttribute("y", borderWidth / 2);
|
|
square.setAttribute("width", width - borderWidth);
|
|
square.setAttribute("height", height - borderWidth);
|
|
square.setAttribute("stroke-width", borderWidth || 1);
|
|
square.setAttribute("stroke", "transparent");
|
|
square.setAttribute("fill", "none");
|
|
svg.appendChild(square);
|
|
this.container.append(svg);
|
|
|
|
this._createPopup(this.container, square, data);
|
|
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class CircleAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "circleAnnotation";
|
|
const data = this.data;
|
|
const width = data.rect[2] - data.rect[0];
|
|
const height = data.rect[3] - data.rect[1];
|
|
const svg = this.svgFactory.create(width, height);
|
|
const borderWidth = data.borderStyle.width;
|
|
const circle = this.svgFactory.createElement("svg:ellipse");
|
|
circle.setAttribute("cx", width / 2);
|
|
circle.setAttribute("cy", height / 2);
|
|
circle.setAttribute("rx", width / 2 - borderWidth / 2);
|
|
circle.setAttribute("ry", height / 2 - borderWidth / 2);
|
|
circle.setAttribute("stroke-width", borderWidth || 1);
|
|
circle.setAttribute("stroke", "transparent");
|
|
circle.setAttribute("fill", "none");
|
|
svg.appendChild(circle);
|
|
this.container.append(svg);
|
|
|
|
this._createPopup(this.container, circle, data);
|
|
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class PolylineAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
this.containerClassName = "polylineAnnotation";
|
|
this.svgElementName = "svg:polyline";
|
|
}
|
|
|
|
render() {
|
|
this.container.className = this.containerClassName;
|
|
const data = this.data;
|
|
const width = data.rect[2] - data.rect[0];
|
|
const height = data.rect[3] - data.rect[1];
|
|
const svg = this.svgFactory.create(width, height);
|
|
let points = [];
|
|
|
|
for (const coordinate of data.vertices) {
|
|
const x = coordinate.x - data.rect[0];
|
|
const y = data.rect[3] - coordinate.y;
|
|
points.push(x + "," + y);
|
|
}
|
|
|
|
points = points.join(" ");
|
|
const polyline = this.svgFactory.createElement(this.svgElementName);
|
|
polyline.setAttribute("points", points);
|
|
polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
|
|
polyline.setAttribute("stroke", "transparent");
|
|
polyline.setAttribute("fill", "none");
|
|
svg.appendChild(polyline);
|
|
this.container.append(svg);
|
|
|
|
this._createPopup(this.container, polyline, data);
|
|
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class PolygonAnnotationElement extends PolylineAnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters);
|
|
this.containerClassName = "polygonAnnotation";
|
|
this.svgElementName = "svg:polygon";
|
|
}
|
|
|
|
}
|
|
|
|
class CaretAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "caretAnnotation";
|
|
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(this.container, null, this.data);
|
|
}
|
|
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class InkAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, true);
|
|
this.containerClassName = "inkAnnotation";
|
|
this.svgElementName = "svg:polyline";
|
|
}
|
|
|
|
render() {
|
|
this.container.className = this.containerClassName;
|
|
const data = this.data;
|
|
const width = data.rect[2] - data.rect[0];
|
|
const height = data.rect[3] - data.rect[1];
|
|
const svg = this.svgFactory.create(width, height);
|
|
|
|
for (const inkList of data.inkLists) {
|
|
let points = [];
|
|
|
|
for (const coordinate of inkList) {
|
|
const x = coordinate.x - data.rect[0];
|
|
const y = data.rect[3] - coordinate.y;
|
|
points.push(`${x},${y}`);
|
|
}
|
|
|
|
points = points.join(" ");
|
|
const polyline = this.svgFactory.createElement(this.svgElementName);
|
|
polyline.setAttribute("points", points);
|
|
polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
|
|
polyline.setAttribute("stroke", "transparent");
|
|
polyline.setAttribute("fill", "none");
|
|
|
|
this._createPopup(this.container, polyline, data);
|
|
|
|
svg.appendChild(polyline);
|
|
}
|
|
|
|
this.container.append(svg);
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class HighlightAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
super(parameters, isRenderable, 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) {
|
|
const 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) {
|
|
const 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) {
|
|
const 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) {
|
|
const 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);
|
|
const {
|
|
filename,
|
|
content
|
|
} = this.data.file;
|
|
this.filename = (0, _display_utils.getFilenameFromUrl)(filename);
|
|
this.content = content;
|
|
|
|
if (this.linkService.eventBus) {
|
|
this.linkService.eventBus.dispatch("fileattachmentannotation", {
|
|
source: this,
|
|
id: (0, _util.stringToPDFString)(filename),
|
|
filename,
|
|
content
|
|
});
|
|
}
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "fileAttachmentAnnotation";
|
|
const trigger = document.createElement("div");
|
|
trigger.style.height = this.container.style.height;
|
|
trigger.style.width = this.container.style.width;
|
|
trigger.addEventListener("dblclick", this._download.bind(this));
|
|
|
|
if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
|
|
this._createPopup(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) {
|
|
const sortedAnnotations = [],
|
|
popupAnnotations = [];
|
|
|
|
for (const data of parameters.annotations) {
|
|
if (!data) {
|
|
continue;
|
|
}
|
|
|
|
if (data.annotationType === _util.AnnotationType.POPUP) {
|
|
popupAnnotations.push(data);
|
|
continue;
|
|
}
|
|
|
|
sortedAnnotations.push(data);
|
|
}
|
|
|
|
if (popupAnnotations.length) {
|
|
sortedAnnotations.push(...popupAnnotations);
|
|
}
|
|
|
|
for (const data of sortedAnnotations) {
|
|
const element = AnnotationElementFactory.create({
|
|
data,
|
|
layer: parameters.div,
|
|
page: parameters.page,
|
|
viewport: parameters.viewport,
|
|
linkService: parameters.linkService,
|
|
downloadManager: parameters.downloadManager,
|
|
imageResourcesPath: parameters.imageResourcesPath || "",
|
|
renderInteractiveForms: typeof parameters.renderInteractiveForms === "boolean" ? parameters.renderInteractiveForms : true,
|
|
svgFactory: new _display_utils.DOMSVGFactory(),
|
|
annotationStorage: parameters.annotationStorage || new _annotation_storage.AnnotationStorage()
|
|
});
|
|
|
|
if (element.isRenderable) {
|
|
parameters.div.appendChild(element.render());
|
|
}
|
|
}
|
|
}
|
|
|
|
static update(parameters) {
|
|
for (const data of parameters.annotations) {
|
|
const 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;
|
|
|
|
/***/ }),
|
|
/* 20 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.renderTextLayer = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
var renderTextLayer = function renderTextLayerClosure() {
|
|
var MAX_TEXT_DIVS_TO_RENDER = 100000;
|
|
var NonWhitespaceRegexp = /\S/;
|
|
|
|
function isAllWhitespace(str) {
|
|
return !NonWhitespaceRegexp.test(str);
|
|
}
|
|
|
|
function appendText(task, geom, styles) {
|
|
var textDiv = document.createElement("span");
|
|
var textDivProperties = {
|
|
angle: 0,
|
|
canvasWidth: 0,
|
|
isWhitespace: false,
|
|
originalTransform: null,
|
|
paddingBottom: 0,
|
|
paddingLeft: 0,
|
|
paddingRight: 0,
|
|
paddingTop: 0,
|
|
scale: 1
|
|
};
|
|
|
|
task._textDivs.push(textDiv);
|
|
|
|
if (isAllWhitespace(geom.str)) {
|
|
textDivProperties.isWhitespace = true;
|
|
|
|
task._textDivProperties.set(textDiv, textDivProperties);
|
|
|
|
return;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
let left, top;
|
|
|
|
if (angle === 0) {
|
|
left = tx[4];
|
|
top = tx[5] - fontAscent;
|
|
} else {
|
|
left = tx[4] + fontAscent * Math.sin(angle);
|
|
top = tx[5] - fontAscent * Math.cos(angle);
|
|
}
|
|
|
|
textDiv.style.left = `${left}px`;
|
|
textDiv.style.top = `${top}px`;
|
|
textDiv.style.fontSize = `${fontHeight}px`;
|
|
textDiv.style.fontFamily = style.fontFamily;
|
|
textDiv.textContent = geom.str;
|
|
|
|
if (task._fontInspectorEnabled) {
|
|
textDiv.dataset.fontName = geom.fontName;
|
|
}
|
|
|
|
if (angle !== 0) {
|
|
textDivProperties.angle = angle * (180 / Math.PI);
|
|
}
|
|
|
|
let shouldScaleText = false;
|
|
|
|
if (geom.str.length > 1) {
|
|
shouldScaleText = true;
|
|
} else if (geom.transform[0] !== geom.transform[3]) {
|
|
const absScaleX = Math.abs(geom.transform[0]),
|
|
absScaleY = Math.abs(geom.transform[3]);
|
|
|
|
if (absScaleX !== absScaleY && Math.max(absScaleX, absScaleY) / Math.min(absScaleX, absScaleY) > 1.5) {
|
|
shouldScaleText = true;
|
|
}
|
|
}
|
|
|
|
if (shouldScaleText) {
|
|
if (style.vertical) {
|
|
textDivProperties.canvasWidth = geom.height * task._viewport.scale;
|
|
} else {
|
|
textDivProperties.canvasWidth = geom.width * task._viewport.scale;
|
|
}
|
|
}
|
|
|
|
task._textDivProperties.set(textDiv, textDivProperties);
|
|
|
|
if (task._textContentStream) {
|
|
task._layoutText(textDiv);
|
|
}
|
|
|
|
if (task._enhanceTextSelection) {
|
|
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 findPositiveMin(ts, offset, count) {
|
|
let result = 0;
|
|
|
|
for (let i = 0; i < count; i++) {
|
|
const t = ts[offset++];
|
|
|
|
if (t > 0) {
|
|
result = result ? Math.min(t, result) : t;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
function expand(task) {
|
|
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, j) {
|
|
var t = _util.Util.applyTransform(p, m);
|
|
|
|
ts[j + 0] = c && (e.left - t[0]) / c;
|
|
ts[j + 4] = s && (e.top - t[1]) / s;
|
|
ts[j + 8] = c && (e.right - t[0]) / c;
|
|
ts[j + 12] = s && (e.bottom - t[1]) / s;
|
|
ts[j + 16] = s && (e.left - t[0]) / -s;
|
|
ts[j + 20] = c && (e.top - t[1]) / c;
|
|
ts[j + 24] = s && (e.right - t[0]) / -s;
|
|
ts[j + 28] = c && (e.bottom - t[1]) / c;
|
|
ts[j + 32] = c && (e.left - t[0]) / -c;
|
|
ts[j + 36] = s && (e.top - t[1]) / -s;
|
|
ts[j + 40] = c && (e.right - t[0]) / -c;
|
|
ts[j + 44] = s && (e.bottom - t[1]) / -s;
|
|
ts[j + 48] = s && (e.left - t[0]) / s;
|
|
ts[j + 52] = c && (e.top - t[1]) / -c;
|
|
ts[j + 56] = s && (e.right - t[0]) / s;
|
|
ts[j + 60] = c && (e.bottom - t[1]) / -c;
|
|
});
|
|
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._document = container.ownerDocument;
|
|
this._viewport = viewport;
|
|
this._textDivs = textDivs || [];
|
|
this._textContentItemsStr = textContentItemsStr || [];
|
|
this._enhanceTextSelection = !!enhanceTextSelection;
|
|
this._fontInspectorEnabled = !!(globalThis.FontInspector && globalThis.FontInspector.enabled);
|
|
this._reader = null;
|
|
this._layoutTextLastFontSize = null;
|
|
this._layoutTextLastFontFamily = null;
|
|
this._layoutTextCtx = null;
|
|
this._textDivProperties = new WeakMap();
|
|
this._renderingDone = false;
|
|
this._canceled = false;
|
|
this._capability = (0, _util.createPromiseCapability)();
|
|
this._renderTimer = null;
|
|
this._bounds = [];
|
|
|
|
this._capability.promise.finally(() => {
|
|
if (this._layoutTextCtx) {
|
|
this._layoutTextCtx.canvas.width = 0;
|
|
this._layoutTextCtx.canvas.height = 0;
|
|
this._layoutTextCtx = null;
|
|
}
|
|
}).catch(() => {});
|
|
}
|
|
|
|
TextLayerRenderTask.prototype = {
|
|
get promise() {
|
|
return this._capability.promise;
|
|
},
|
|
|
|
cancel: function TextLayer_cancel() {
|
|
this._canceled = true;
|
|
|
|
if (this._reader) {
|
|
this._reader.cancel(new _util.AbortException("TextLayer task cancelled."));
|
|
|
|
this._reader = null;
|
|
}
|
|
|
|
if (this._renderTimer !== null) {
|
|
clearTimeout(this._renderTimer);
|
|
this._renderTimer = null;
|
|
}
|
|
|
|
this._capability.reject(new Error("TextLayer task cancelled."));
|
|
},
|
|
|
|
_processItems(items, styleCache) {
|
|
for (let i = 0, len = items.length; i < len; i++) {
|
|
this._textContentItemsStr.push(items[i].str);
|
|
|
|
appendText(this, items[i], styleCache);
|
|
}
|
|
},
|
|
|
|
_layoutText(textDiv) {
|
|
const textDivProperties = this._textDivProperties.get(textDiv);
|
|
|
|
if (textDivProperties.isWhitespace) {
|
|
return;
|
|
}
|
|
|
|
let transform = "";
|
|
|
|
if (textDivProperties.canvasWidth !== 0) {
|
|
const {
|
|
fontSize,
|
|
fontFamily
|
|
} = textDiv.style;
|
|
|
|
if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) {
|
|
this._layoutTextCtx.font = `${fontSize} ${fontFamily}`;
|
|
this._layoutTextLastFontSize = fontSize;
|
|
this._layoutTextLastFontFamily = fontFamily;
|
|
}
|
|
|
|
const {
|
|
width
|
|
} = this._layoutTextCtx.measureText(textDiv.textContent);
|
|
|
|
if (width > 0) {
|
|
textDivProperties.scale = textDivProperties.canvasWidth / width;
|
|
transform = `scaleX(${textDivProperties.scale})`;
|
|
}
|
|
}
|
|
|
|
if (textDivProperties.angle !== 0) {
|
|
transform = `rotate(${textDivProperties.angle}deg) ${transform}`;
|
|
}
|
|
|
|
if (transform.length > 0) {
|
|
if (this._enhanceTextSelection) {
|
|
textDivProperties.originalTransform = transform;
|
|
}
|
|
|
|
textDiv.style.transform = transform;
|
|
}
|
|
|
|
this._textDivProperties.set(textDiv, textDivProperties);
|
|
|
|
this._container.appendChild(textDiv);
|
|
},
|
|
|
|
_render: function TextLayer_render(timeout) {
|
|
const capability = (0, _util.createPromiseCapability)();
|
|
let styleCache = Object.create(null);
|
|
|
|
const canvas = this._document.createElement("canvas");
|
|
|
|
canvas.mozOpaque = true;
|
|
this._layoutTextCtx = canvas.getContext("2d", {
|
|
alpha: false
|
|
});
|
|
|
|
if (this._textContent) {
|
|
const textItems = this._textContent.items;
|
|
const textStyles = this._textContent.styles;
|
|
|
|
this._processItems(textItems, textStyles);
|
|
|
|
capability.resolve();
|
|
} else if (this._textContentStream) {
|
|
const pump = () => {
|
|
this._reader.read().then(({
|
|
value,
|
|
done
|
|
}) => {
|
|
if (done) {
|
|
capability.resolve();
|
|
return;
|
|
}
|
|
|
|
Object.assign(styleCache, value.styles);
|
|
|
|
this._processItems(value.items, styleCache);
|
|
|
|
pump();
|
|
}, capability.reject);
|
|
};
|
|
|
|
this._reader = this._textContentStream.getReader();
|
|
pump();
|
|
} else {
|
|
throw new Error('Neither "textContent" nor "textContentStream"' + " parameters specified.");
|
|
}
|
|
|
|
capability.promise.then(() => {
|
|
styleCache = null;
|
|
|
|
if (!timeout) {
|
|
render(this);
|
|
} else {
|
|
this._renderTimer = setTimeout(() => {
|
|
render(this);
|
|
this._renderTimer = null;
|
|
}, timeout);
|
|
}
|
|
}, this._capability.reject);
|
|
},
|
|
expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
|
|
if (!this._enhanceTextSelection || !this._renderingDone) {
|
|
return;
|
|
}
|
|
|
|
if (this._bounds !== null) {
|
|
expand(this);
|
|
this._bounds = null;
|
|
}
|
|
|
|
const transformBuf = [],
|
|
paddingBuf = [];
|
|
|
|
for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
|
|
const div = this._textDivs[i];
|
|
|
|
const divProps = this._textDivProperties.get(div);
|
|
|
|
if (divProps.isWhitespace) {
|
|
continue;
|
|
}
|
|
|
|
if (expandDivs) {
|
|
transformBuf.length = 0;
|
|
paddingBuf.length = 0;
|
|
|
|
if (divProps.originalTransform) {
|
|
transformBuf.push(divProps.originalTransform);
|
|
}
|
|
|
|
if (divProps.paddingTop > 0) {
|
|
paddingBuf.push(`${divProps.paddingTop}px`);
|
|
transformBuf.push(`translateY(${-divProps.paddingTop}px)`);
|
|
} else {
|
|
paddingBuf.push(0);
|
|
}
|
|
|
|
if (divProps.paddingRight > 0) {
|
|
paddingBuf.push(`${divProps.paddingRight / divProps.scale}px`);
|
|
} else {
|
|
paddingBuf.push(0);
|
|
}
|
|
|
|
if (divProps.paddingBottom > 0) {
|
|
paddingBuf.push(`${divProps.paddingBottom}px`);
|
|
} else {
|
|
paddingBuf.push(0);
|
|
}
|
|
|
|
if (divProps.paddingLeft > 0) {
|
|
paddingBuf.push(`${divProps.paddingLeft / divProps.scale}px`);
|
|
transformBuf.push(`translateX(${-divProps.paddingLeft / divProps.scale}px)`);
|
|
} else {
|
|
paddingBuf.push(0);
|
|
}
|
|
|
|
div.style.padding = paddingBuf.join(" ");
|
|
|
|
if (transformBuf.length) {
|
|
div.style.transform = transformBuf.join(" ");
|
|
}
|
|
} else {
|
|
div.style.padding = null;
|
|
div.style.transform = divProps.originalTransform;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
function renderTextLayer(renderParameters) {
|
|
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;
|
|
|
|
/***/ }),
|
|
/* 21 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.SVGGraphics = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
var _display_utils = __w_pdfjs_require__(1);
|
|
|
|
var _is_node = __w_pdfjs_require__(4);
|
|
|
|
let SVGGraphics = function () {
|
|
throw new Error("Not implemented: SVGGraphics");
|
|
};
|
|
|
|
exports.SVGGraphics = SVGGraphics;
|
|
{
|
|
const SVG_DEFAULTS = {
|
|
fontStyle: "normal",
|
|
fontWeight: "normal",
|
|
fillColor: "#000000"
|
|
};
|
|
const XML_NS = "http://www.w3.org/XML/1998/namespace";
|
|
const XLINK_NS = "http://www.w3.org/1999/xlink";
|
|
const LINE_CAP_STYLES = ["butt", "round", "square"];
|
|
const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
|
|
|
|
const convertImgDataToPng = function () {
|
|
const PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
|
|
const CHUNK_WRAPPER_SIZE = 12;
|
|
const crcTable = new Int32Array(256);
|
|
|
|
for (let i = 0; i < 256; i++) {
|
|
let c = i;
|
|
|
|
for (let h = 0; h < 8; h++) {
|
|
if (c & 1) {
|
|
c = 0xedb88320 ^ c >> 1 & 0x7fffffff;
|
|
} else {
|
|
c = c >> 1 & 0x7fffffff;
|
|
}
|
|
}
|
|
|
|
crcTable[i] = c;
|
|
}
|
|
|
|
function crc32(data, start, end) {
|
|
let crc = -1;
|
|
|
|
for (let i = start; i < end; i++) {
|
|
const a = (crc ^ data[i]) & 0xff;
|
|
const b = crcTable[a];
|
|
crc = crc >>> 8 ^ b;
|
|
}
|
|
|
|
return crc ^ -1;
|
|
}
|
|
|
|
function writePngChunk(type, body, data, offset) {
|
|
let p = offset;
|
|
const len = body.length;
|
|
data[p] = len >> 24 & 0xff;
|
|
data[p + 1] = len >> 16 & 0xff;
|
|
data[p + 2] = len >> 8 & 0xff;
|
|
data[p + 3] = len & 0xff;
|
|
p += 4;
|
|
data[p] = type.charCodeAt(0) & 0xff;
|
|
data[p + 1] = type.charCodeAt(1) & 0xff;
|
|
data[p + 2] = type.charCodeAt(2) & 0xff;
|
|
data[p + 3] = type.charCodeAt(3) & 0xff;
|
|
p += 4;
|
|
data.set(body, p);
|
|
p += body.length;
|
|
const crc = crc32(data, offset + 4, p);
|
|
data[p] = crc >> 24 & 0xff;
|
|
data[p + 1] = crc >> 16 & 0xff;
|
|
data[p + 2] = crc >> 8 & 0xff;
|
|
data[p + 3] = crc & 0xff;
|
|
}
|
|
|
|
function adler32(data, start, end) {
|
|
let a = 1;
|
|
let b = 0;
|
|
|
|
for (let i = start; i < end; ++i) {
|
|
a = (a + (data[i] & 0xff)) % 65521;
|
|
b = (b + a) % 65521;
|
|
}
|
|
|
|
return b << 16 | a;
|
|
}
|
|
|
|
function deflateSync(literals) {
|
|
if (!_is_node.isNodeJS) {
|
|
return deflateSyncUncompressed(literals);
|
|
}
|
|
|
|
try {
|
|
let input;
|
|
|
|
if (parseInt(process.versions.node) >= 8) {
|
|
input = literals;
|
|
} else {
|
|
input = Buffer.from(literals);
|
|
}
|
|
|
|
const output = require("zlib").deflateSync(input, {
|
|
level: 9
|
|
});
|
|
|
|
return output instanceof Uint8Array ? output : new Uint8Array(output);
|
|
} catch (e) {
|
|
(0, _util.warn)("Not compressing PNG because zlib.deflateSync is unavailable: " + e);
|
|
}
|
|
|
|
return deflateSyncUncompressed(literals);
|
|
}
|
|
|
|
function deflateSyncUncompressed(literals) {
|
|
let len = literals.length;
|
|
const maxBlockLength = 0xffff;
|
|
const deflateBlocks = Math.ceil(len / maxBlockLength);
|
|
const idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
|
|
let pi = 0;
|
|
idat[pi++] = 0x78;
|
|
idat[pi++] = 0x9c;
|
|
let pos = 0;
|
|
|
|
while (len > maxBlockLength) {
|
|
idat[pi++] = 0x00;
|
|
idat[pi++] = 0xff;
|
|
idat[pi++] = 0xff;
|
|
idat[pi++] = 0x00;
|
|
idat[pi++] = 0x00;
|
|
idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
|
|
pi += maxBlockLength;
|
|
pos += maxBlockLength;
|
|
len -= maxBlockLength;
|
|
}
|
|
|
|
idat[pi++] = 0x01;
|
|
idat[pi++] = len & 0xff;
|
|
idat[pi++] = len >> 8 & 0xff;
|
|
idat[pi++] = ~len & 0xffff & 0xff;
|
|
idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
|
|
idat.set(literals.subarray(pos), pi);
|
|
pi += literals.length - pos;
|
|
const adler = adler32(literals, 0, literals.length);
|
|
idat[pi++] = adler >> 24 & 0xff;
|
|
idat[pi++] = adler >> 16 & 0xff;
|
|
idat[pi++] = adler >> 8 & 0xff;
|
|
idat[pi++] = adler & 0xff;
|
|
return idat;
|
|
}
|
|
|
|
function encode(imgData, kind, forceDataSchema, isMask) {
|
|
const width = imgData.width;
|
|
const height = imgData.height;
|
|
let bitDepth, colorType, lineSize;
|
|
const bytes = imgData.data;
|
|
|
|
switch (kind) {
|
|
case _util.ImageKind.GRAYSCALE_1BPP:
|
|
colorType = 0;
|
|
bitDepth = 1;
|
|
lineSize = width + 7 >> 3;
|
|
break;
|
|
|
|
case _util.ImageKind.RGB_24BPP:
|
|
colorType = 2;
|
|
bitDepth = 8;
|
|
lineSize = width * 3;
|
|
break;
|
|
|
|
case _util.ImageKind.RGBA_32BPP:
|
|
colorType = 6;
|
|
bitDepth = 8;
|
|
lineSize = width * 4;
|
|
break;
|
|
|
|
default:
|
|
throw new Error("invalid format");
|
|
}
|
|
|
|
const literals = new Uint8Array((1 + lineSize) * height);
|
|
let offsetLiterals = 0,
|
|
offsetBytes = 0;
|
|
|
|
for (let y = 0; y < height; ++y) {
|
|
literals[offsetLiterals++] = 0;
|
|
literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
|
|
offsetBytes += lineSize;
|
|
offsetLiterals += lineSize;
|
|
}
|
|
|
|
if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) {
|
|
offsetLiterals = 0;
|
|
|
|
for (let y = 0; y < height; y++) {
|
|
offsetLiterals++;
|
|
|
|
for (let i = 0; i < lineSize; i++) {
|
|
literals[offsetLiterals++] ^= 0xff;
|
|
}
|
|
}
|
|
}
|
|
|
|
const ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]);
|
|
const idat = deflateSync(literals);
|
|
const pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
|
|
const data = new Uint8Array(pngLength);
|
|
let offset = 0;
|
|
data.set(PNG_HEADER, offset);
|
|
offset += PNG_HEADER.length;
|
|
writePngChunk("IHDR", ihdr, data, offset);
|
|
offset += CHUNK_WRAPPER_SIZE + ihdr.length;
|
|
writePngChunk("IDATA", idat, data, offset);
|
|
offset += CHUNK_WRAPPER_SIZE + idat.length;
|
|
writePngChunk("IEND", new Uint8Array(0), data, offset);
|
|
return (0, _util.createObjectURL)(data, "image/png", forceDataSchema);
|
|
}
|
|
|
|
return function convertImgDataToPng(imgData, forceDataSchema, isMask) {
|
|
const kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind;
|
|
return encode(imgData, kind, forceDataSchema, isMask);
|
|
};
|
|
}();
|
|
|
|
class SVGExtraState {
|
|
constructor() {
|
|
this.fontSizeScale = 1;
|
|
this.fontWeight = SVG_DEFAULTS.fontWeight;
|
|
this.fontSize = 0;
|
|
this.textMatrix = _util.IDENTITY_MATRIX;
|
|
this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
|
|
this.leading = 0;
|
|
this.textRenderingMode = _util.TextRenderingMode.FILL;
|
|
this.textMatrixScale = 1;
|
|
this.x = 0;
|
|
this.y = 0;
|
|
this.lineX = 0;
|
|
this.lineY = 0;
|
|
this.charSpacing = 0;
|
|
this.wordSpacing = 0;
|
|
this.textHScale = 1;
|
|
this.textRise = 0;
|
|
this.fillColor = SVG_DEFAULTS.fillColor;
|
|
this.strokeColor = "#000000";
|
|
this.fillAlpha = 1;
|
|
this.strokeAlpha = 1;
|
|
this.lineWidth = 1;
|
|
this.lineJoin = "";
|
|
this.lineCap = "";
|
|
this.miterLimit = 0;
|
|
this.dashArray = [];
|
|
this.dashPhase = 0;
|
|
this.dependencies = [];
|
|
this.activeClipUrl = null;
|
|
this.clipGroup = null;
|
|
this.maskId = "";
|
|
}
|
|
|
|
clone() {
|
|
return Object.create(this);
|
|
}
|
|
|
|
setCurrentPoint(x, y) {
|
|
this.x = x;
|
|
this.y = y;
|
|
}
|
|
|
|
}
|
|
|
|
function opListToTree(opList) {
|
|
let opTree = [];
|
|
const tmp = [];
|
|
|
|
for (const opListElement of opList) {
|
|
if (opListElement.fn === "save") {
|
|
opTree.push({
|
|
fnId: 92,
|
|
fn: "group",
|
|
items: []
|
|
});
|
|
tmp.push(opTree);
|
|
opTree = opTree[opTree.length - 1].items;
|
|
continue;
|
|
}
|
|
|
|
if (opListElement.fn === "restore") {
|
|
opTree = tmp.pop();
|
|
} else {
|
|
opTree.push(opListElement);
|
|
}
|
|
}
|
|
|
|
return opTree;
|
|
}
|
|
|
|
function pf(value) {
|
|
if (Number.isInteger(value)) {
|
|
return value.toString();
|
|
}
|
|
|
|
const s = value.toFixed(10);
|
|
let i = s.length - 1;
|
|
|
|
if (s[i] !== "0") {
|
|
return s;
|
|
}
|
|
|
|
do {
|
|
i--;
|
|
} while (s[i] === "0");
|
|
|
|
return s.substring(0, s[i] === "." ? i : i + 1);
|
|
}
|
|
|
|
function pm(m) {
|
|
if (m[4] === 0 && m[5] === 0) {
|
|
if (m[1] === 0 && m[2] === 0) {
|
|
if (m[0] === 1 && m[3] === 1) {
|
|
return "";
|
|
}
|
|
|
|
return `scale(${pf(m[0])} ${pf(m[3])})`;
|
|
}
|
|
|
|
if (m[0] === m[3] && m[1] === -m[2]) {
|
|
const a = Math.acos(m[0]) * 180 / Math.PI;
|
|
return `rotate(${pf(a)})`;
|
|
}
|
|
} else {
|
|
if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
|
|
return `translate(${pf(m[4])} ${pf(m[5])})`;
|
|
}
|
|
}
|
|
|
|
return `matrix(${pf(m[0])} ${pf(m[1])} ${pf(m[2])} ${pf(m[3])} ${pf(m[4])} ` + `${pf(m[5])})`;
|
|
}
|
|
|
|
let clipCount = 0;
|
|
let maskCount = 0;
|
|
let shadingCount = 0;
|
|
exports.SVGGraphics = SVGGraphics = class SVGGraphics {
|
|
constructor(commonObjs, objs, forceDataSchema = false) {
|
|
this.svgFactory = new _display_utils.DOMSVGFactory();
|
|
this.current = new SVGExtraState();
|
|
this.transformMatrix = _util.IDENTITY_MATRIX;
|
|
this.transformStack = [];
|
|
this.extraStack = [];
|
|
this.commonObjs = commonObjs;
|
|
this.objs = objs;
|
|
this.pendingClip = null;
|
|
this.pendingEOFill = false;
|
|
this.embedFonts = false;
|
|
this.embeddedFonts = Object.create(null);
|
|
this.cssStyle = null;
|
|
this.forceDataSchema = !!forceDataSchema;
|
|
this._operatorIdMapping = [];
|
|
|
|
for (const op in _util.OPS) {
|
|
this._operatorIdMapping[_util.OPS[op]] = op;
|
|
}
|
|
}
|
|
|
|
save() {
|
|
this.transformStack.push(this.transformMatrix);
|
|
const old = this.current;
|
|
this.extraStack.push(old);
|
|
this.current = old.clone();
|
|
}
|
|
|
|
restore() {
|
|
this.transformMatrix = this.transformStack.pop();
|
|
this.current = this.extraStack.pop();
|
|
this.pendingClip = null;
|
|
this.tgrp = null;
|
|
}
|
|
|
|
group(items) {
|
|
this.save();
|
|
this.executeOpTree(items);
|
|
this.restore();
|
|
}
|
|
|
|
loadDependencies(operatorList) {
|
|
const fnArray = operatorList.fnArray;
|
|
const argsArray = operatorList.argsArray;
|
|
|
|
for (let i = 0, ii = fnArray.length; i < ii; i++) {
|
|
if (fnArray[i] !== _util.OPS.dependency) {
|
|
continue;
|
|
}
|
|
|
|
for (const obj of argsArray[i]) {
|
|
const objsPool = obj.startsWith("g_") ? this.commonObjs : this.objs;
|
|
const promise = new Promise(resolve => {
|
|
objsPool.get(obj, resolve);
|
|
});
|
|
this.current.dependencies.push(promise);
|
|
}
|
|
}
|
|
|
|
return Promise.all(this.current.dependencies);
|
|
}
|
|
|
|
transform(a, b, c, d, e, f) {
|
|
const transformMatrix = [a, b, c, d, e, f];
|
|
this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix);
|
|
this.tgrp = null;
|
|
}
|
|
|
|
getSVG(operatorList, viewport) {
|
|
this.viewport = viewport;
|
|
|
|
const svgElement = this._initialize(viewport);
|
|
|
|
return this.loadDependencies(operatorList).then(() => {
|
|
this.transformMatrix = _util.IDENTITY_MATRIX;
|
|
this.executeOpTree(this.convertOpList(operatorList));
|
|
return svgElement;
|
|
});
|
|
}
|
|
|
|
convertOpList(operatorList) {
|
|
const operatorIdMapping = this._operatorIdMapping;
|
|
const argsArray = operatorList.argsArray;
|
|
const fnArray = operatorList.fnArray;
|
|
const opList = [];
|
|
|
|
for (let i = 0, ii = fnArray.length; i < ii; i++) {
|
|
const fnId = fnArray[i];
|
|
opList.push({
|
|
fnId,
|
|
fn: operatorIdMapping[fnId],
|
|
args: argsArray[i]
|
|
});
|
|
}
|
|
|
|
return opListToTree(opList);
|
|
}
|
|
|
|
executeOpTree(opTree) {
|
|
for (const opTreeElement of opTree) {
|
|
const fn = opTreeElement.fn;
|
|
const fnId = opTreeElement.fnId;
|
|
const args = opTreeElement.args;
|
|
|
|
switch (fnId | 0) {
|
|
case _util.OPS.beginText:
|
|
this.beginText();
|
|
break;
|
|
|
|
case _util.OPS.dependency:
|
|
break;
|
|
|
|
case _util.OPS.setLeading:
|
|
this.setLeading(args);
|
|
break;
|
|
|
|
case _util.OPS.setLeadingMoveText:
|
|
this.setLeadingMoveText(args[0], args[1]);
|
|
break;
|
|
|
|
case _util.OPS.setFont:
|
|
this.setFont(args);
|
|
break;
|
|
|
|
case _util.OPS.showText:
|
|
this.showText(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.showSpacedText:
|
|
this.showText(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.endText:
|
|
this.endText();
|
|
break;
|
|
|
|
case _util.OPS.moveText:
|
|
this.moveText(args[0], args[1]);
|
|
break;
|
|
|
|
case _util.OPS.setCharSpacing:
|
|
this.setCharSpacing(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setWordSpacing:
|
|
this.setWordSpacing(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setHScale:
|
|
this.setHScale(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setTextMatrix:
|
|
this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
|
|
break;
|
|
|
|
case _util.OPS.setTextRise:
|
|
this.setTextRise(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setTextRenderingMode:
|
|
this.setTextRenderingMode(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setLineWidth:
|
|
this.setLineWidth(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setLineJoin:
|
|
this.setLineJoin(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setLineCap:
|
|
this.setLineCap(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setMiterLimit:
|
|
this.setMiterLimit(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setFillRGBColor:
|
|
this.setFillRGBColor(args[0], args[1], args[2]);
|
|
break;
|
|
|
|
case _util.OPS.setStrokeRGBColor:
|
|
this.setStrokeRGBColor(args[0], args[1], args[2]);
|
|
break;
|
|
|
|
case _util.OPS.setStrokeColorN:
|
|
this.setStrokeColorN(args);
|
|
break;
|
|
|
|
case _util.OPS.setFillColorN:
|
|
this.setFillColorN(args);
|
|
break;
|
|
|
|
case _util.OPS.shadingFill:
|
|
this.shadingFill(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setDash:
|
|
this.setDash(args[0], args[1]);
|
|
break;
|
|
|
|
case _util.OPS.setRenderingIntent:
|
|
this.setRenderingIntent(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setFlatness:
|
|
this.setFlatness(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setGState:
|
|
this.setGState(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.fill:
|
|
this.fill();
|
|
break;
|
|
|
|
case _util.OPS.eoFill:
|
|
this.eoFill();
|
|
break;
|
|
|
|
case _util.OPS.stroke:
|
|
this.stroke();
|
|
break;
|
|
|
|
case _util.OPS.fillStroke:
|
|
this.fillStroke();
|
|
break;
|
|
|
|
case _util.OPS.eoFillStroke:
|
|
this.eoFillStroke();
|
|
break;
|
|
|
|
case _util.OPS.clip:
|
|
this.clip("nonzero");
|
|
break;
|
|
|
|
case _util.OPS.eoClip:
|
|
this.clip("evenodd");
|
|
break;
|
|
|
|
case _util.OPS.paintSolidColorImageMask:
|
|
this.paintSolidColorImageMask();
|
|
break;
|
|
|
|
case _util.OPS.paintImageXObject:
|
|
this.paintImageXObject(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.paintInlineImageXObject:
|
|
this.paintInlineImageXObject(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.paintImageMaskXObject:
|
|
this.paintImageMaskXObject(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.paintFormXObjectBegin:
|
|
this.paintFormXObjectBegin(args[0], args[1]);
|
|
break;
|
|
|
|
case _util.OPS.paintFormXObjectEnd:
|
|
this.paintFormXObjectEnd();
|
|
break;
|
|
|
|
case _util.OPS.closePath:
|
|
this.closePath();
|
|
break;
|
|
|
|
case _util.OPS.closeStroke:
|
|
this.closeStroke();
|
|
break;
|
|
|
|
case _util.OPS.closeFillStroke:
|
|
this.closeFillStroke();
|
|
break;
|
|
|
|
case _util.OPS.closeEOFillStroke:
|
|
this.closeEOFillStroke();
|
|
break;
|
|
|
|
case _util.OPS.nextLine:
|
|
this.nextLine();
|
|
break;
|
|
|
|
case _util.OPS.transform:
|
|
this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
|
|
break;
|
|
|
|
case _util.OPS.constructPath:
|
|
this.constructPath(args[0], args[1]);
|
|
break;
|
|
|
|
case _util.OPS.endPath:
|
|
this.endPath();
|
|
break;
|
|
|
|
case 92:
|
|
this.group(opTreeElement.items);
|
|
break;
|
|
|
|
default:
|
|
(0, _util.warn)(`Unimplemented operator ${fn}`);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
setWordSpacing(wordSpacing) {
|
|
this.current.wordSpacing = wordSpacing;
|
|
}
|
|
|
|
setCharSpacing(charSpacing) {
|
|
this.current.charSpacing = charSpacing;
|
|
}
|
|
|
|
nextLine() {
|
|
this.moveText(0, this.current.leading);
|
|
}
|
|
|
|
setTextMatrix(a, b, c, d, e, f) {
|
|
const current = this.current;
|
|
current.textMatrix = current.lineMatrix = [a, b, c, d, e, f];
|
|
current.textMatrixScale = Math.sqrt(a * a + b * b);
|
|
current.x = current.lineX = 0;
|
|
current.y = current.lineY = 0;
|
|
current.xcoords = [];
|
|
current.ycoords = [];
|
|
current.tspan = this.svgFactory.createElement("svg:tspan");
|
|
current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
|
|
current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
|
|
current.tspan.setAttributeNS(null, "y", pf(-current.y));
|
|
current.txtElement = this.svgFactory.createElement("svg:text");
|
|
current.txtElement.appendChild(current.tspan);
|
|
}
|
|
|
|
beginText() {
|
|
const current = this.current;
|
|
current.x = current.lineX = 0;
|
|
current.y = current.lineY = 0;
|
|
current.textMatrix = _util.IDENTITY_MATRIX;
|
|
current.lineMatrix = _util.IDENTITY_MATRIX;
|
|
current.textMatrixScale = 1;
|
|
current.tspan = this.svgFactory.createElement("svg:tspan");
|
|
current.txtElement = this.svgFactory.createElement("svg:text");
|
|
current.txtgrp = this.svgFactory.createElement("svg:g");
|
|
current.xcoords = [];
|
|
current.ycoords = [];
|
|
}
|
|
|
|
moveText(x, y) {
|
|
const current = this.current;
|
|
current.x = current.lineX += x;
|
|
current.y = current.lineY += y;
|
|
current.xcoords = [];
|
|
current.ycoords = [];
|
|
current.tspan = this.svgFactory.createElement("svg:tspan");
|
|
current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
|
|
current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
|
|
current.tspan.setAttributeNS(null, "y", pf(-current.y));
|
|
}
|
|
|
|
showText(glyphs) {
|
|
const current = this.current;
|
|
const font = current.font;
|
|
const fontSize = current.fontSize;
|
|
|
|
if (fontSize === 0) {
|
|
return;
|
|
}
|
|
|
|
const fontSizeScale = current.fontSizeScale;
|
|
const charSpacing = current.charSpacing;
|
|
const wordSpacing = current.wordSpacing;
|
|
const fontDirection = current.fontDirection;
|
|
const textHScale = current.textHScale * fontDirection;
|
|
const vertical = font.vertical;
|
|
const spacingDir = vertical ? 1 : -1;
|
|
const defaultVMetrics = font.defaultVMetrics;
|
|
const widthAdvanceScale = fontSize * current.fontMatrix[0];
|
|
let x = 0;
|
|
|
|
for (const glyph of glyphs) {
|
|
if (glyph === null) {
|
|
x += fontDirection * wordSpacing;
|
|
continue;
|
|
} else if ((0, _util.isNum)(glyph)) {
|
|
x += spacingDir * glyph * fontSize / 1000;
|
|
continue;
|
|
}
|
|
|
|
const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
|
|
const character = glyph.fontChar;
|
|
let scaledX, scaledY;
|
|
let width = glyph.width;
|
|
|
|
if (vertical) {
|
|
let vx;
|
|
const vmetric = glyph.vmetric || defaultVMetrics;
|
|
vx = glyph.vmetric ? vmetric[1] : width * 0.5;
|
|
vx = -vx * widthAdvanceScale;
|
|
const vy = vmetric[2] * widthAdvanceScale;
|
|
width = vmetric ? -vmetric[0] : width;
|
|
scaledX = vx / fontSizeScale;
|
|
scaledY = (x + vy) / fontSizeScale;
|
|
} else {
|
|
scaledX = x / fontSizeScale;
|
|
scaledY = 0;
|
|
}
|
|
|
|
if (glyph.isInFont || font.missingFile) {
|
|
current.xcoords.push(current.x + scaledX);
|
|
|
|
if (vertical) {
|
|
current.ycoords.push(-current.y + scaledY);
|
|
}
|
|
|
|
current.tspan.textContent += character;
|
|
} else {}
|
|
|
|
let charWidth;
|
|
|
|
if (vertical) {
|
|
charWidth = width * widthAdvanceScale - spacing * fontDirection;
|
|
} else {
|
|
charWidth = width * widthAdvanceScale + spacing * fontDirection;
|
|
}
|
|
|
|
x += charWidth;
|
|
}
|
|
|
|
current.tspan.setAttributeNS(null, "x", current.xcoords.map(pf).join(" "));
|
|
|
|
if (vertical) {
|
|
current.tspan.setAttributeNS(null, "y", current.ycoords.map(pf).join(" "));
|
|
} else {
|
|
current.tspan.setAttributeNS(null, "y", pf(-current.y));
|
|
}
|
|
|
|
if (vertical) {
|
|
current.y -= x;
|
|
} else {
|
|
current.x += x * textHScale;
|
|
}
|
|
|
|
current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
|
|
current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
|
|
|
|
if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
|
|
current.tspan.setAttributeNS(null, "font-style", current.fontStyle);
|
|
}
|
|
|
|
if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
|
|
current.tspan.setAttributeNS(null, "font-weight", current.fontWeight);
|
|
}
|
|
|
|
const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
|
|
|
|
if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
|
|
if (current.fillColor !== SVG_DEFAULTS.fillColor) {
|
|
current.tspan.setAttributeNS(null, "fill", current.fillColor);
|
|
}
|
|
|
|
if (current.fillAlpha < 1) {
|
|
current.tspan.setAttributeNS(null, "fill-opacity", current.fillAlpha);
|
|
}
|
|
} else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) {
|
|
current.tspan.setAttributeNS(null, "fill", "transparent");
|
|
} else {
|
|
current.tspan.setAttributeNS(null, "fill", "none");
|
|
}
|
|
|
|
if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
|
|
const lineWidthScale = 1 / (current.textMatrixScale || 1);
|
|
|
|
this._setStrokeAttributes(current.tspan, lineWidthScale);
|
|
}
|
|
|
|
let textMatrix = current.textMatrix;
|
|
|
|
if (current.textRise !== 0) {
|
|
textMatrix = textMatrix.slice();
|
|
textMatrix[5] += current.textRise;
|
|
}
|
|
|
|
current.txtElement.setAttributeNS(null, "transform", `${pm(textMatrix)} scale(${pf(textHScale)}, -1)`);
|
|
current.txtElement.setAttributeNS(XML_NS, "xml:space", "preserve");
|
|
current.txtElement.appendChild(current.tspan);
|
|
current.txtgrp.appendChild(current.txtElement);
|
|
|
|
this._ensureTransformGroup().appendChild(current.txtElement);
|
|
}
|
|
|
|
setLeadingMoveText(x, y) {
|
|
this.setLeading(-y);
|
|
this.moveText(x, y);
|
|
}
|
|
|
|
addFontStyle(fontObj) {
|
|
if (!fontObj.data) {
|
|
throw new Error("addFontStyle: No font data available, " + 'ensure that the "fontExtraProperties" API parameter is set.');
|
|
}
|
|
|
|
if (!this.cssStyle) {
|
|
this.cssStyle = this.svgFactory.createElement("svg:style");
|
|
this.cssStyle.setAttributeNS(null, "type", "text/css");
|
|
this.defs.appendChild(this.cssStyle);
|
|
}
|
|
|
|
const url = (0, _util.createObjectURL)(fontObj.data, fontObj.mimetype, this.forceDataSchema);
|
|
this.cssStyle.textContent += `@font-face { font-family: "${fontObj.loadedName}";` + ` src: url(${url}); }\n`;
|
|
}
|
|
|
|
setFont(details) {
|
|
const current = this.current;
|
|
const fontObj = this.commonObjs.get(details[0]);
|
|
let size = details[1];
|
|
current.font = fontObj;
|
|
|
|
if (this.embedFonts && !fontObj.missingFile && !this.embeddedFonts[fontObj.loadedName]) {
|
|
this.addFontStyle(fontObj);
|
|
this.embeddedFonts[fontObj.loadedName] = fontObj;
|
|
}
|
|
|
|
current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
|
|
let bold = "normal";
|
|
|
|
if (fontObj.black) {
|
|
bold = "900";
|
|
} else if (fontObj.bold) {
|
|
bold = "bold";
|
|
}
|
|
|
|
const italic = fontObj.italic ? "italic" : "normal";
|
|
|
|
if (size < 0) {
|
|
size = -size;
|
|
current.fontDirection = -1;
|
|
} else {
|
|
current.fontDirection = 1;
|
|
}
|
|
|
|
current.fontSize = size;
|
|
current.fontFamily = fontObj.loadedName;
|
|
current.fontWeight = bold;
|
|
current.fontStyle = italic;
|
|
current.tspan = this.svgFactory.createElement("svg:tspan");
|
|
current.tspan.setAttributeNS(null, "y", pf(-current.y));
|
|
current.xcoords = [];
|
|
current.ycoords = [];
|
|
}
|
|
|
|
endText() {
|
|
const current = this.current;
|
|
|
|
if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement && current.txtElement.hasChildNodes()) {
|
|
current.element = current.txtElement;
|
|
this.clip("nonzero");
|
|
this.endPath();
|
|
}
|
|
}
|
|
|
|
setLineWidth(width) {
|
|
if (width > 0) {
|
|
this.current.lineWidth = width;
|
|
}
|
|
}
|
|
|
|
setLineCap(style) {
|
|
this.current.lineCap = LINE_CAP_STYLES[style];
|
|
}
|
|
|
|
setLineJoin(style) {
|
|
this.current.lineJoin = LINE_JOIN_STYLES[style];
|
|
}
|
|
|
|
setMiterLimit(limit) {
|
|
this.current.miterLimit = limit;
|
|
}
|
|
|
|
setStrokeAlpha(strokeAlpha) {
|
|
this.current.strokeAlpha = strokeAlpha;
|
|
}
|
|
|
|
setStrokeRGBColor(r, g, b) {
|
|
this.current.strokeColor = _util.Util.makeCssRgb(r, g, b);
|
|
}
|
|
|
|
setFillAlpha(fillAlpha) {
|
|
this.current.fillAlpha = fillAlpha;
|
|
}
|
|
|
|
setFillRGBColor(r, g, b) {
|
|
this.current.fillColor = _util.Util.makeCssRgb(r, g, b);
|
|
this.current.tspan = this.svgFactory.createElement("svg:tspan");
|
|
this.current.xcoords = [];
|
|
this.current.ycoords = [];
|
|
}
|
|
|
|
setStrokeColorN(args) {
|
|
this.current.strokeColor = this._makeColorN_Pattern(args);
|
|
}
|
|
|
|
setFillColorN(args) {
|
|
this.current.fillColor = this._makeColorN_Pattern(args);
|
|
}
|
|
|
|
shadingFill(args) {
|
|
const width = this.viewport.width;
|
|
const height = this.viewport.height;
|
|
|
|
const inv = _util.Util.inverseTransform(this.transformMatrix);
|
|
|
|
const bl = _util.Util.applyTransform([0, 0], inv);
|
|
|
|
const br = _util.Util.applyTransform([0, height], inv);
|
|
|
|
const ul = _util.Util.applyTransform([width, 0], inv);
|
|
|
|
const ur = _util.Util.applyTransform([width, height], inv);
|
|
|
|
const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
|
|
const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
|
|
const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
|
|
const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
|
|
const rect = this.svgFactory.createElement("svg:rect");
|
|
rect.setAttributeNS(null, "x", x0);
|
|
rect.setAttributeNS(null, "y", y0);
|
|
rect.setAttributeNS(null, "width", x1 - x0);
|
|
rect.setAttributeNS(null, "height", y1 - y0);
|
|
rect.setAttributeNS(null, "fill", this._makeShadingPattern(args));
|
|
|
|
if (this.current.fillAlpha < 1) {
|
|
rect.setAttributeNS(null, "fill-opacity", this.current.fillAlpha);
|
|
}
|
|
|
|
this._ensureTransformGroup().appendChild(rect);
|
|
}
|
|
|
|
_makeColorN_Pattern(args) {
|
|
if (args[0] === "TilingPattern") {
|
|
return this._makeTilingPattern(args);
|
|
}
|
|
|
|
return this._makeShadingPattern(args);
|
|
}
|
|
|
|
_makeTilingPattern(args) {
|
|
const color = args[1];
|
|
const operatorList = args[2];
|
|
const matrix = args[3] || _util.IDENTITY_MATRIX;
|
|
const [x0, y0, x1, y1] = args[4];
|
|
const xstep = args[5];
|
|
const ystep = args[6];
|
|
const paintType = args[7];
|
|
const tilingId = `shading${shadingCount++}`;
|
|
|
|
const [tx0, ty0] = _util.Util.applyTransform([x0, y0], matrix);
|
|
|
|
const [tx1, ty1] = _util.Util.applyTransform([x1, y1], matrix);
|
|
|
|
const [xscale, yscale] = _util.Util.singularValueDecompose2dScale(matrix);
|
|
|
|
const txstep = xstep * xscale;
|
|
const tystep = ystep * yscale;
|
|
const tiling = this.svgFactory.createElement("svg:pattern");
|
|
tiling.setAttributeNS(null, "id", tilingId);
|
|
tiling.setAttributeNS(null, "patternUnits", "userSpaceOnUse");
|
|
tiling.setAttributeNS(null, "width", txstep);
|
|
tiling.setAttributeNS(null, "height", tystep);
|
|
tiling.setAttributeNS(null, "x", `${tx0}`);
|
|
tiling.setAttributeNS(null, "y", `${ty0}`);
|
|
const svg = this.svg;
|
|
const transformMatrix = this.transformMatrix;
|
|
const fillColor = this.current.fillColor;
|
|
const strokeColor = this.current.strokeColor;
|
|
const bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0);
|
|
this.svg = bbox;
|
|
this.transformMatrix = matrix;
|
|
|
|
if (paintType === 2) {
|
|
const cssColor = _util.Util.makeCssRgb(...color);
|
|
|
|
this.current.fillColor = cssColor;
|
|
this.current.strokeColor = cssColor;
|
|
}
|
|
|
|
this.executeOpTree(this.convertOpList(operatorList));
|
|
this.svg = svg;
|
|
this.transformMatrix = transformMatrix;
|
|
this.current.fillColor = fillColor;
|
|
this.current.strokeColor = strokeColor;
|
|
tiling.appendChild(bbox.childNodes[0]);
|
|
this.defs.appendChild(tiling);
|
|
return `url(#${tilingId})`;
|
|
}
|
|
|
|
_makeShadingPattern(args) {
|
|
switch (args[0]) {
|
|
case "RadialAxial":
|
|
const shadingId = `shading${shadingCount++}`;
|
|
const colorStops = args[3];
|
|
let gradient;
|
|
|
|
switch (args[1]) {
|
|
case "axial":
|
|
const point0 = args[4];
|
|
const point1 = args[5];
|
|
gradient = this.svgFactory.createElement("svg:linearGradient");
|
|
gradient.setAttributeNS(null, "id", shadingId);
|
|
gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
|
|
gradient.setAttributeNS(null, "x1", point0[0]);
|
|
gradient.setAttributeNS(null, "y1", point0[1]);
|
|
gradient.setAttributeNS(null, "x2", point1[0]);
|
|
gradient.setAttributeNS(null, "y2", point1[1]);
|
|
break;
|
|
|
|
case "radial":
|
|
const focalPoint = args[4];
|
|
const circlePoint = args[5];
|
|
const focalRadius = args[6];
|
|
const circleRadius = args[7];
|
|
gradient = this.svgFactory.createElement("svg:radialGradient");
|
|
gradient.setAttributeNS(null, "id", shadingId);
|
|
gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
|
|
gradient.setAttributeNS(null, "cx", circlePoint[0]);
|
|
gradient.setAttributeNS(null, "cy", circlePoint[1]);
|
|
gradient.setAttributeNS(null, "r", circleRadius);
|
|
gradient.setAttributeNS(null, "fx", focalPoint[0]);
|
|
gradient.setAttributeNS(null, "fy", focalPoint[1]);
|
|
gradient.setAttributeNS(null, "fr", focalRadius);
|
|
break;
|
|
|
|
default:
|
|
throw new Error(`Unknown RadialAxial type: ${args[1]}`);
|
|
}
|
|
|
|
for (const colorStop of colorStops) {
|
|
const stop = this.svgFactory.createElement("svg:stop");
|
|
stop.setAttributeNS(null, "offset", colorStop[0]);
|
|
stop.setAttributeNS(null, "stop-color", colorStop[1]);
|
|
gradient.appendChild(stop);
|
|
}
|
|
|
|
this.defs.appendChild(gradient);
|
|
return `url(#${shadingId})`;
|
|
|
|
case "Mesh":
|
|
(0, _util.warn)("Unimplemented pattern Mesh");
|
|
return null;
|
|
|
|
case "Dummy":
|
|
return "hotpink";
|
|
|
|
default:
|
|
throw new Error(`Unknown IR type: ${args[0]}`);
|
|
}
|
|
}
|
|
|
|
setDash(dashArray, dashPhase) {
|
|
this.current.dashArray = dashArray;
|
|
this.current.dashPhase = dashPhase;
|
|
}
|
|
|
|
constructPath(ops, args) {
|
|
const current = this.current;
|
|
let x = current.x,
|
|
y = current.y;
|
|
let d = [];
|
|
let j = 0;
|
|
|
|
for (const op of ops) {
|
|
switch (op | 0) {
|
|
case _util.OPS.rectangle:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
const width = args[j++];
|
|
const height = args[j++];
|
|
const xw = x + width;
|
|
const yh = y + height;
|
|
d.push("M", pf(x), pf(y), "L", pf(xw), pf(y), "L", pf(xw), pf(yh), "L", pf(x), pf(yh), "Z");
|
|
break;
|
|
|
|
case _util.OPS.moveTo:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
d.push("M", pf(x), pf(y));
|
|
break;
|
|
|
|
case _util.OPS.lineTo:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
d.push("L", pf(x), pf(y));
|
|
break;
|
|
|
|
case _util.OPS.curveTo:
|
|
x = args[j + 4];
|
|
y = args[j + 5];
|
|
d.push("C", pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
|
|
j += 6;
|
|
break;
|
|
|
|
case _util.OPS.curveTo2:
|
|
d.push("C", pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(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];
|
|
d.push("C", pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
|
|
j += 4;
|
|
break;
|
|
|
|
case _util.OPS.closePath:
|
|
d.push("Z");
|
|
break;
|
|
}
|
|
}
|
|
|
|
d = d.join(" ");
|
|
|
|
if (current.path && ops.length > 0 && ops[0] !== _util.OPS.rectangle && ops[0] !== _util.OPS.moveTo) {
|
|
d = current.path.getAttributeNS(null, "d") + d;
|
|
} else {
|
|
current.path = this.svgFactory.createElement("svg:path");
|
|
|
|
this._ensureTransformGroup().appendChild(current.path);
|
|
}
|
|
|
|
current.path.setAttributeNS(null, "d", d);
|
|
current.path.setAttributeNS(null, "fill", "none");
|
|
current.element = current.path;
|
|
current.setCurrentPoint(x, y);
|
|
}
|
|
|
|
endPath() {
|
|
const current = this.current;
|
|
current.path = null;
|
|
|
|
if (!this.pendingClip) {
|
|
return;
|
|
}
|
|
|
|
if (!current.element) {
|
|
this.pendingClip = null;
|
|
return;
|
|
}
|
|
|
|
const clipId = `clippath${clipCount++}`;
|
|
const clipPath = this.svgFactory.createElement("svg:clipPath");
|
|
clipPath.setAttributeNS(null, "id", clipId);
|
|
clipPath.setAttributeNS(null, "transform", pm(this.transformMatrix));
|
|
const clipElement = current.element.cloneNode(true);
|
|
|
|
if (this.pendingClip === "evenodd") {
|
|
clipElement.setAttributeNS(null, "clip-rule", "evenodd");
|
|
} else {
|
|
clipElement.setAttributeNS(null, "clip-rule", "nonzero");
|
|
}
|
|
|
|
this.pendingClip = null;
|
|
clipPath.appendChild(clipElement);
|
|
this.defs.appendChild(clipPath);
|
|
|
|
if (current.activeClipUrl) {
|
|
current.clipGroup = null;
|
|
this.extraStack.forEach(function (prev) {
|
|
prev.clipGroup = null;
|
|
});
|
|
clipPath.setAttributeNS(null, "clip-path", current.activeClipUrl);
|
|
}
|
|
|
|
current.activeClipUrl = `url(#${clipId})`;
|
|
this.tgrp = null;
|
|
}
|
|
|
|
clip(type) {
|
|
this.pendingClip = type;
|
|
}
|
|
|
|
closePath() {
|
|
const current = this.current;
|
|
|
|
if (current.path) {
|
|
const d = `${current.path.getAttributeNS(null, "d")}Z`;
|
|
current.path.setAttributeNS(null, "d", d);
|
|
}
|
|
}
|
|
|
|
setLeading(leading) {
|
|
this.current.leading = -leading;
|
|
}
|
|
|
|
setTextRise(textRise) {
|
|
this.current.textRise = textRise;
|
|
}
|
|
|
|
setTextRenderingMode(textRenderingMode) {
|
|
this.current.textRenderingMode = textRenderingMode;
|
|
}
|
|
|
|
setHScale(scale) {
|
|
this.current.textHScale = scale / 100;
|
|
}
|
|
|
|
setRenderingIntent(intent) {}
|
|
|
|
setFlatness(flatness) {}
|
|
|
|
setGState(states) {
|
|
for (const [key, value] of states) {
|
|
switch (key) {
|
|
case "LW":
|
|
this.setLineWidth(value);
|
|
break;
|
|
|
|
case "LC":
|
|
this.setLineCap(value);
|
|
break;
|
|
|
|
case "LJ":
|
|
this.setLineJoin(value);
|
|
break;
|
|
|
|
case "ML":
|
|
this.setMiterLimit(value);
|
|
break;
|
|
|
|
case "D":
|
|
this.setDash(value[0], value[1]);
|
|
break;
|
|
|
|
case "RI":
|
|
this.setRenderingIntent(value);
|
|
break;
|
|
|
|
case "FL":
|
|
this.setFlatness(value);
|
|
break;
|
|
|
|
case "Font":
|
|
this.setFont(value);
|
|
break;
|
|
|
|
case "CA":
|
|
this.setStrokeAlpha(value);
|
|
break;
|
|
|
|
case "ca":
|
|
this.setFillAlpha(value);
|
|
break;
|
|
|
|
default:
|
|
(0, _util.warn)(`Unimplemented graphic state operator ${key}`);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
fill() {
|
|
const current = this.current;
|
|
|
|
if (current.element) {
|
|
current.element.setAttributeNS(null, "fill", current.fillColor);
|
|
current.element.setAttributeNS(null, "fill-opacity", current.fillAlpha);
|
|
this.endPath();
|
|
}
|
|
}
|
|
|
|
stroke() {
|
|
const current = this.current;
|
|
|
|
if (current.element) {
|
|
this._setStrokeAttributes(current.element);
|
|
|
|
current.element.setAttributeNS(null, "fill", "none");
|
|
this.endPath();
|
|
}
|
|
}
|
|
|
|
_setStrokeAttributes(element, lineWidthScale = 1) {
|
|
const current = this.current;
|
|
let dashArray = current.dashArray;
|
|
|
|
if (lineWidthScale !== 1 && dashArray.length > 0) {
|
|
dashArray = dashArray.map(function (value) {
|
|
return lineWidthScale * value;
|
|
});
|
|
}
|
|
|
|
element.setAttributeNS(null, "stroke", current.strokeColor);
|
|
element.setAttributeNS(null, "stroke-opacity", current.strokeAlpha);
|
|
element.setAttributeNS(null, "stroke-miterlimit", pf(current.miterLimit));
|
|
element.setAttributeNS(null, "stroke-linecap", current.lineCap);
|
|
element.setAttributeNS(null, "stroke-linejoin", current.lineJoin);
|
|
element.setAttributeNS(null, "stroke-width", pf(lineWidthScale * current.lineWidth) + "px");
|
|
element.setAttributeNS(null, "stroke-dasharray", dashArray.map(pf).join(" "));
|
|
element.setAttributeNS(null, "stroke-dashoffset", pf(lineWidthScale * current.dashPhase) + "px");
|
|
}
|
|
|
|
eoFill() {
|
|
if (this.current.element) {
|
|
this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
|
|
}
|
|
|
|
this.fill();
|
|
}
|
|
|
|
fillStroke() {
|
|
this.stroke();
|
|
this.fill();
|
|
}
|
|
|
|
eoFillStroke() {
|
|
if (this.current.element) {
|
|
this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
|
|
}
|
|
|
|
this.fillStroke();
|
|
}
|
|
|
|
closeStroke() {
|
|
this.closePath();
|
|
this.stroke();
|
|
}
|
|
|
|
closeFillStroke() {
|
|
this.closePath();
|
|
this.fillStroke();
|
|
}
|
|
|
|
closeEOFillStroke() {
|
|
this.closePath();
|
|
this.eoFillStroke();
|
|
}
|
|
|
|
paintSolidColorImageMask() {
|
|
const rect = this.svgFactory.createElement("svg:rect");
|
|
rect.setAttributeNS(null, "x", "0");
|
|
rect.setAttributeNS(null, "y", "0");
|
|
rect.setAttributeNS(null, "width", "1px");
|
|
rect.setAttributeNS(null, "height", "1px");
|
|
rect.setAttributeNS(null, "fill", this.current.fillColor);
|
|
|
|
this._ensureTransformGroup().appendChild(rect);
|
|
}
|
|
|
|
paintImageXObject(objId) {
|
|
const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
|
|
|
|
if (!imgData) {
|
|
(0, _util.warn)(`Dependent image with object ID ${objId} is not ready yet`);
|
|
return;
|
|
}
|
|
|
|
this.paintInlineImageXObject(imgData);
|
|
}
|
|
|
|
paintInlineImageXObject(imgData, mask) {
|
|
const width = imgData.width;
|
|
const height = imgData.height;
|
|
const imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask);
|
|
const cliprect = this.svgFactory.createElement("svg:rect");
|
|
cliprect.setAttributeNS(null, "x", "0");
|
|
cliprect.setAttributeNS(null, "y", "0");
|
|
cliprect.setAttributeNS(null, "width", pf(width));
|
|
cliprect.setAttributeNS(null, "height", pf(height));
|
|
this.current.element = cliprect;
|
|
this.clip("nonzero");
|
|
const imgEl = this.svgFactory.createElement("svg:image");
|
|
imgEl.setAttributeNS(XLINK_NS, "xlink:href", imgSrc);
|
|
imgEl.setAttributeNS(null, "x", "0");
|
|
imgEl.setAttributeNS(null, "y", pf(-height));
|
|
imgEl.setAttributeNS(null, "width", pf(width) + "px");
|
|
imgEl.setAttributeNS(null, "height", pf(height) + "px");
|
|
imgEl.setAttributeNS(null, "transform", `scale(${pf(1 / width)} ${pf(-1 / height)})`);
|
|
|
|
if (mask) {
|
|
mask.appendChild(imgEl);
|
|
} else {
|
|
this._ensureTransformGroup().appendChild(imgEl);
|
|
}
|
|
}
|
|
|
|
paintImageMaskXObject(imgData) {
|
|
const current = this.current;
|
|
const width = imgData.width;
|
|
const height = imgData.height;
|
|
const fillColor = current.fillColor;
|
|
current.maskId = `mask${maskCount++}`;
|
|
const mask = this.svgFactory.createElement("svg:mask");
|
|
mask.setAttributeNS(null, "id", current.maskId);
|
|
const rect = this.svgFactory.createElement("svg:rect");
|
|
rect.setAttributeNS(null, "x", "0");
|
|
rect.setAttributeNS(null, "y", "0");
|
|
rect.setAttributeNS(null, "width", pf(width));
|
|
rect.setAttributeNS(null, "height", pf(height));
|
|
rect.setAttributeNS(null, "fill", fillColor);
|
|
rect.setAttributeNS(null, "mask", `url(#${current.maskId})`);
|
|
this.defs.appendChild(mask);
|
|
|
|
this._ensureTransformGroup().appendChild(rect);
|
|
|
|
this.paintInlineImageXObject(imgData, mask);
|
|
}
|
|
|
|
paintFormXObjectBegin(matrix, bbox) {
|
|
if (Array.isArray(matrix) && matrix.length === 6) {
|
|
this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
|
|
}
|
|
|
|
if (bbox) {
|
|
const width = bbox[2] - bbox[0];
|
|
const height = bbox[3] - bbox[1];
|
|
const cliprect = this.svgFactory.createElement("svg:rect");
|
|
cliprect.setAttributeNS(null, "x", bbox[0]);
|
|
cliprect.setAttributeNS(null, "y", bbox[1]);
|
|
cliprect.setAttributeNS(null, "width", pf(width));
|
|
cliprect.setAttributeNS(null, "height", pf(height));
|
|
this.current.element = cliprect;
|
|
this.clip("nonzero");
|
|
this.endPath();
|
|
}
|
|
}
|
|
|
|
paintFormXObjectEnd() {}
|
|
|
|
_initialize(viewport) {
|
|
const svg = this.svgFactory.create(viewport.width, viewport.height);
|
|
const definitions = this.svgFactory.createElement("svg:defs");
|
|
svg.appendChild(definitions);
|
|
this.defs = definitions;
|
|
const rootGroup = this.svgFactory.createElement("svg:g");
|
|
rootGroup.setAttributeNS(null, "transform", pm(viewport.transform));
|
|
svg.appendChild(rootGroup);
|
|
this.svg = rootGroup;
|
|
return svg;
|
|
}
|
|
|
|
_ensureClipGroup() {
|
|
if (!this.current.clipGroup) {
|
|
const clipGroup = this.svgFactory.createElement("svg:g");
|
|
clipGroup.setAttributeNS(null, "clip-path", this.current.activeClipUrl);
|
|
this.svg.appendChild(clipGroup);
|
|
this.current.clipGroup = clipGroup;
|
|
}
|
|
|
|
return this.current.clipGroup;
|
|
}
|
|
|
|
_ensureTransformGroup() {
|
|
if (!this.tgrp) {
|
|
this.tgrp = this.svgFactory.createElement("svg:g");
|
|
this.tgrp.setAttributeNS(null, "transform", pm(this.transformMatrix));
|
|
|
|
if (this.current.activeClipUrl) {
|
|
this._ensureClipGroup().appendChild(this.tgrp);
|
|
} else {
|
|
this.svg.appendChild(this.tgrp);
|
|
}
|
|
}
|
|
|
|
return this.tgrp;
|
|
}
|
|
|
|
};
|
|
}
|
|
|
|
/***/ }),
|
|
/* 22 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.PDFNodeStream = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
var _network_utils = __w_pdfjs_require__(23);
|
|
|
|
;
|
|
|
|
const fs = require("fs");
|
|
|
|
const http = require("http");
|
|
|
|
const https = require("https");
|
|
|
|
const url = require("url");
|
|
|
|
const fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//;
|
|
|
|
function parseUrl(sourceUrl) {
|
|
const parsedUrl = url.parse(sourceUrl);
|
|
|
|
if (parsedUrl.protocol === "file:" || parsedUrl.host) {
|
|
return parsedUrl;
|
|
}
|
|
|
|
if (/^[a-z]:[/\\]/i.test(sourceUrl)) {
|
|
return url.parse(`file:///${sourceUrl}`);
|
|
}
|
|
|
|
if (!parsedUrl.host) {
|
|
parsedUrl.protocol = "file:";
|
|
}
|
|
|
|
return parsedUrl;
|
|
}
|
|
|
|
class PDFNodeStream {
|
|
constructor(source) {
|
|
this.source = source;
|
|
this.url = parseUrl(source.url);
|
|
this.isHttp = this.url.protocol === "http:" || this.url.protocol === "https:";
|
|
this.isFsUrl = this.url.protocol === "file:";
|
|
this.httpHeaders = this.isHttp && source.httpHeaders || {};
|
|
this._fullRequestReader = null;
|
|
this._rangeRequestReaders = [];
|
|
}
|
|
|
|
get _progressiveDataLength() {
|
|
return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
|
|
}
|
|
|
|
getFullReader() {
|
|
(0, _util.assert)(!this._fullRequestReader, "PDFNodeStream.getFullReader can only be called once.");
|
|
this._fullRequestReader = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this);
|
|
return this._fullRequestReader;
|
|
}
|
|
|
|
getRangeReader(start, end) {
|
|
if (end <= this._progressiveDataLength) {
|
|
return null;
|
|
}
|
|
|
|
const rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end);
|
|
|
|
this._rangeRequestReaders.push(rangeReader);
|
|
|
|
return rangeReader;
|
|
}
|
|
|
|
cancelAllRequests(reason) {
|
|
if (this._fullRequestReader) {
|
|
this._fullRequestReader.cancel(reason);
|
|
}
|
|
|
|
const readers = this._rangeRequestReaders.slice(0);
|
|
|
|
readers.forEach(function (reader) {
|
|
reader.cancel(reason);
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFNodeStream = PDFNodeStream;
|
|
|
|
class BaseFullReader {
|
|
constructor(stream) {
|
|
this._url = stream.url;
|
|
this._done = false;
|
|
this._storedError = null;
|
|
this.onProgress = null;
|
|
const source = stream.source;
|
|
this._contentLength = source.length;
|
|
this._loaded = 0;
|
|
this._filename = null;
|
|
this._disableRange = source.disableRange || false;
|
|
this._rangeChunkSize = source.rangeChunkSize;
|
|
|
|
if (!this._rangeChunkSize && !this._disableRange) {
|
|
this._disableRange = true;
|
|
}
|
|
|
|
this._isStreamingSupported = !source.disableStream;
|
|
this._isRangeSupported = !source.disableRange;
|
|
this._readableStream = null;
|
|
this._readCapability = (0, _util.createPromiseCapability)();
|
|
this._headersCapability = (0, _util.createPromiseCapability)();
|
|
}
|
|
|
|
get headersReady() {
|
|
return this._headersCapability.promise;
|
|
}
|
|
|
|
get filename() {
|
|
return this._filename;
|
|
}
|
|
|
|
get contentLength() {
|
|
return this._contentLength;
|
|
}
|
|
|
|
get isRangeSupported() {
|
|
return this._isRangeSupported;
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return this._isStreamingSupported;
|
|
}
|
|
|
|
async read() {
|
|
await this._readCapability.promise;
|
|
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
|
|
if (this._storedError) {
|
|
throw this._storedError;
|
|
}
|
|
|
|
const chunk = this._readableStream.read();
|
|
|
|
if (chunk === null) {
|
|
this._readCapability = (0, _util.createPromiseCapability)();
|
|
return this.read();
|
|
}
|
|
|
|
this._loaded += chunk.length;
|
|
|
|
if (this.onProgress) {
|
|
this.onProgress({
|
|
loaded: this._loaded,
|
|
total: this._contentLength
|
|
});
|
|
}
|
|
|
|
const buffer = new Uint8Array(chunk).buffer;
|
|
return {
|
|
value: buffer,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
cancel(reason) {
|
|
if (!this._readableStream) {
|
|
this._error(reason);
|
|
|
|
return;
|
|
}
|
|
|
|
this._readableStream.destroy(reason);
|
|
}
|
|
|
|
_error(reason) {
|
|
this._storedError = reason;
|
|
|
|
this._readCapability.resolve();
|
|
}
|
|
|
|
_setReadableStream(readableStream) {
|
|
this._readableStream = readableStream;
|
|
readableStream.on("readable", () => {
|
|
this._readCapability.resolve();
|
|
});
|
|
readableStream.on("end", () => {
|
|
readableStream.destroy();
|
|
this._done = true;
|
|
|
|
this._readCapability.resolve();
|
|
});
|
|
readableStream.on("error", reason => {
|
|
this._error(reason);
|
|
});
|
|
|
|
if (!this._isStreamingSupported && this._isRangeSupported) {
|
|
this._error(new _util.AbortException("streaming is disabled"));
|
|
}
|
|
|
|
if (this._storedError) {
|
|
this._readableStream.destroy(this._storedError);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
class BaseRangeReader {
|
|
constructor(stream) {
|
|
this._url = stream.url;
|
|
this._done = false;
|
|
this._storedError = null;
|
|
this.onProgress = null;
|
|
this._loaded = 0;
|
|
this._readableStream = null;
|
|
this._readCapability = (0, _util.createPromiseCapability)();
|
|
const source = stream.source;
|
|
this._isStreamingSupported = !source.disableStream;
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return this._isStreamingSupported;
|
|
}
|
|
|
|
async read() {
|
|
await this._readCapability.promise;
|
|
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
|
|
if (this._storedError) {
|
|
throw this._storedError;
|
|
}
|
|
|
|
const chunk = this._readableStream.read();
|
|
|
|
if (chunk === null) {
|
|
this._readCapability = (0, _util.createPromiseCapability)();
|
|
return this.read();
|
|
}
|
|
|
|
this._loaded += chunk.length;
|
|
|
|
if (this.onProgress) {
|
|
this.onProgress({
|
|
loaded: this._loaded
|
|
});
|
|
}
|
|
|
|
const buffer = new Uint8Array(chunk).buffer;
|
|
return {
|
|
value: buffer,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
cancel(reason) {
|
|
if (!this._readableStream) {
|
|
this._error(reason);
|
|
|
|
return;
|
|
}
|
|
|
|
this._readableStream.destroy(reason);
|
|
}
|
|
|
|
_error(reason) {
|
|
this._storedError = reason;
|
|
|
|
this._readCapability.resolve();
|
|
}
|
|
|
|
_setReadableStream(readableStream) {
|
|
this._readableStream = readableStream;
|
|
readableStream.on("readable", () => {
|
|
this._readCapability.resolve();
|
|
});
|
|
readableStream.on("end", () => {
|
|
readableStream.destroy();
|
|
this._done = true;
|
|
|
|
this._readCapability.resolve();
|
|
});
|
|
readableStream.on("error", reason => {
|
|
this._error(reason);
|
|
});
|
|
|
|
if (this._storedError) {
|
|
this._readableStream.destroy(this._storedError);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
function createRequestOptions(parsedUrl, headers) {
|
|
return {
|
|
protocol: parsedUrl.protocol,
|
|
auth: parsedUrl.auth,
|
|
host: parsedUrl.hostname,
|
|
port: parsedUrl.port,
|
|
path: parsedUrl.path,
|
|
method: "GET",
|
|
headers
|
|
};
|
|
}
|
|
|
|
class PDFNodeStreamFullReader extends BaseFullReader {
|
|
constructor(stream) {
|
|
super(stream);
|
|
|
|
const handleResponse = response => {
|
|
if (response.statusCode === 404) {
|
|
const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
|
|
this._storedError = error;
|
|
|
|
this._headersCapability.reject(error);
|
|
|
|
return;
|
|
}
|
|
|
|
this._headersCapability.resolve();
|
|
|
|
this._setReadableStream(response);
|
|
|
|
const getResponseHeader = name => {
|
|
return this._readableStream.headers[name.toLowerCase()];
|
|
};
|
|
|
|
const {
|
|
allowRangeRequests,
|
|
suggestedLength
|
|
} = (0, _network_utils.validateRangeRequestCapabilities)({
|
|
getResponseHeader,
|
|
isHttp: stream.isHttp,
|
|
rangeChunkSize: this._rangeChunkSize,
|
|
disableRange: this._disableRange
|
|
});
|
|
this._isRangeSupported = allowRangeRequests;
|
|
this._contentLength = suggestedLength || this._contentLength;
|
|
this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
|
|
};
|
|
|
|
this._request = null;
|
|
|
|
if (this._url.protocol === "http:") {
|
|
this._request = http.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
|
|
} else {
|
|
this._request = https.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
|
|
}
|
|
|
|
this._request.on("error", reason => {
|
|
this._storedError = reason;
|
|
|
|
this._headersCapability.reject(reason);
|
|
});
|
|
|
|
this._request.end();
|
|
}
|
|
|
|
}
|
|
|
|
class PDFNodeStreamRangeReader extends BaseRangeReader {
|
|
constructor(stream, start, end) {
|
|
super(stream);
|
|
this._httpHeaders = {};
|
|
|
|
for (const property in stream.httpHeaders) {
|
|
const value = stream.httpHeaders[property];
|
|
|
|
if (typeof value === "undefined") {
|
|
continue;
|
|
}
|
|
|
|
this._httpHeaders[property] = value;
|
|
}
|
|
|
|
this._httpHeaders.Range = `bytes=${start}-${end - 1}`;
|
|
|
|
const handleResponse = response => {
|
|
if (response.statusCode === 404) {
|
|
const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
|
|
this._storedError = error;
|
|
return;
|
|
}
|
|
|
|
this._setReadableStream(response);
|
|
};
|
|
|
|
this._request = null;
|
|
|
|
if (this._url.protocol === "http:") {
|
|
this._request = http.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
|
|
} else {
|
|
this._request = https.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
|
|
}
|
|
|
|
this._request.on("error", reason => {
|
|
this._storedError = reason;
|
|
});
|
|
|
|
this._request.end();
|
|
}
|
|
|
|
}
|
|
|
|
class PDFNodeStreamFsFullReader extends BaseFullReader {
|
|
constructor(stream) {
|
|
super(stream);
|
|
let path = decodeURIComponent(this._url.path);
|
|
|
|
if (fileUriRegex.test(this._url.href)) {
|
|
path = path.replace(/^\//, "");
|
|
}
|
|
|
|
fs.lstat(path, (error, stat) => {
|
|
if (error) {
|
|
if (error.code === "ENOENT") {
|
|
error = new _util.MissingPDFException(`Missing PDF "${path}".`);
|
|
}
|
|
|
|
this._storedError = error;
|
|
|
|
this._headersCapability.reject(error);
|
|
|
|
return;
|
|
}
|
|
|
|
this._contentLength = stat.size;
|
|
|
|
this._setReadableStream(fs.createReadStream(path));
|
|
|
|
this._headersCapability.resolve();
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
class PDFNodeStreamFsRangeReader extends BaseRangeReader {
|
|
constructor(stream, start, end) {
|
|
super(stream);
|
|
let path = decodeURIComponent(this._url.path);
|
|
|
|
if (fileUriRegex.test(this._url.href)) {
|
|
path = path.replace(/^\//, "");
|
|
}
|
|
|
|
this._setReadableStream(fs.createReadStream(path, {
|
|
start,
|
|
end: end - 1
|
|
}));
|
|
}
|
|
|
|
}
|
|
|
|
/***/ }),
|
|
/* 23 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.createResponseStatusError = createResponseStatusError;
|
|
exports.extractFilenameFromHeader = extractFilenameFromHeader;
|
|
exports.validateRangeRequestCapabilities = validateRangeRequestCapabilities;
|
|
exports.validateResponseStatus = validateResponseStatus;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
var _content_disposition = __w_pdfjs_require__(24);
|
|
|
|
function validateRangeRequestCapabilities({
|
|
getResponseHeader,
|
|
isHttp,
|
|
rangeChunkSize,
|
|
disableRange
|
|
}) {
|
|
(0, _util.assert)(rangeChunkSize > 0, "Range chunk size must be larger than zero");
|
|
const returnValues = {
|
|
allowRangeRequests: false,
|
|
suggestedLength: undefined
|
|
};
|
|
const length = parseInt(getResponseHeader("Content-Length"), 10);
|
|
|
|
if (!Number.isInteger(length)) {
|
|
return returnValues;
|
|
}
|
|
|
|
returnValues.suggestedLength = length;
|
|
|
|
if (length <= 2 * rangeChunkSize) {
|
|
return returnValues;
|
|
}
|
|
|
|
if (disableRange || !isHttp) {
|
|
return returnValues;
|
|
}
|
|
|
|
if (getResponseHeader("Accept-Ranges") !== "bytes") {
|
|
return returnValues;
|
|
}
|
|
|
|
const contentEncoding = getResponseHeader("Content-Encoding") || "identity";
|
|
|
|
if (contentEncoding !== "identity") {
|
|
return returnValues;
|
|
}
|
|
|
|
returnValues.allowRangeRequests = true;
|
|
return returnValues;
|
|
}
|
|
|
|
function extractFilenameFromHeader(getResponseHeader) {
|
|
const contentDisposition = getResponseHeader("Content-Disposition");
|
|
|
|
if (contentDisposition) {
|
|
let filename = (0, _content_disposition.getFilenameFromContentDispositionHeader)(contentDisposition);
|
|
|
|
if (filename.includes("%")) {
|
|
try {
|
|
filename = decodeURIComponent(filename);
|
|
} catch (ex) {}
|
|
}
|
|
|
|
if (/\.pdf$/i.test(filename)) {
|
|
return filename;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
function createResponseStatusError(status, url) {
|
|
if (status === 404 || status === 0 && url.startsWith("file:")) {
|
|
return new _util.MissingPDFException('Missing PDF "' + url + '".');
|
|
}
|
|
|
|
return new _util.UnexpectedResponseException("Unexpected server response (" + status + ') while retrieving PDF "' + url + '".', status);
|
|
}
|
|
|
|
function validateResponseStatus(status) {
|
|
return status === 200 || status === 206;
|
|
}
|
|
|
|
/***/ }),
|
|
/* 24 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader;
|
|
|
|
function getFilenameFromContentDispositionHeader(contentDisposition) {
|
|
let needsEncodingFixup = true;
|
|
let tmp = toParamRegExp("filename\\*", "i").exec(contentDisposition);
|
|
|
|
if (tmp) {
|
|
tmp = tmp[1];
|
|
let filename = rfc2616unquote(tmp);
|
|
filename = unescape(filename);
|
|
filename = rfc5987decode(filename);
|
|
filename = rfc2047decode(filename);
|
|
return fixupEncoding(filename);
|
|
}
|
|
|
|
tmp = rfc2231getparam(contentDisposition);
|
|
|
|
if (tmp) {
|
|
const filename = rfc2047decode(tmp);
|
|
return fixupEncoding(filename);
|
|
}
|
|
|
|
tmp = toParamRegExp("filename", "i").exec(contentDisposition);
|
|
|
|
if (tmp) {
|
|
tmp = tmp[1];
|
|
let filename = rfc2616unquote(tmp);
|
|
filename = rfc2047decode(filename);
|
|
return fixupEncoding(filename);
|
|
}
|
|
|
|
function toParamRegExp(attributePattern, flags) {
|
|
return new RegExp("(?:^|;)\\s*" + attributePattern + "\\s*=\\s*" + "(" + '[^";\\s][^;\\s]*' + "|" + '"(?:[^"\\\\]|\\\\"?)+"?' + ")", flags);
|
|
}
|
|
|
|
function textdecode(encoding, value) {
|
|
if (encoding) {
|
|
if (!/^[\x00-\xFF]+$/.test(value)) {
|
|
return value;
|
|
}
|
|
|
|
try {
|
|
const decoder = new TextDecoder(encoding, {
|
|
fatal: true
|
|
});
|
|
const bytes = Array.from(value, function (ch) {
|
|
return ch.charCodeAt(0) & 0xff;
|
|
});
|
|
value = decoder.decode(new Uint8Array(bytes));
|
|
needsEncodingFixup = false;
|
|
} catch (e) {
|
|
if (/^utf-?8$/i.test(encoding)) {
|
|
try {
|
|
value = decodeURIComponent(escape(value));
|
|
needsEncodingFixup = false;
|
|
} catch (err) {}
|
|
}
|
|
}
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
function fixupEncoding(value) {
|
|
if (needsEncodingFixup && /[\x80-\xff]/.test(value)) {
|
|
value = textdecode("utf-8", value);
|
|
|
|
if (needsEncodingFixup) {
|
|
value = textdecode("iso-8859-1", value);
|
|
}
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
function rfc2231getparam(contentDispositionStr) {
|
|
const matches = [];
|
|
let match;
|
|
const iter = toParamRegExp("filename\\*((?!0\\d)\\d+)(\\*?)", "ig");
|
|
|
|
while ((match = iter.exec(contentDispositionStr)) !== null) {
|
|
let [, n, quot, part] = match;
|
|
n = parseInt(n, 10);
|
|
|
|
if (n in matches) {
|
|
if (n === 0) {
|
|
break;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
matches[n] = [quot, part];
|
|
}
|
|
|
|
const parts = [];
|
|
|
|
for (let n = 0; n < matches.length; ++n) {
|
|
if (!(n in matches)) {
|
|
break;
|
|
}
|
|
|
|
let [quot, part] = matches[n];
|
|
part = rfc2616unquote(part);
|
|
|
|
if (quot) {
|
|
part = unescape(part);
|
|
|
|
if (n === 0) {
|
|
part = rfc5987decode(part);
|
|
}
|
|
}
|
|
|
|
parts.push(part);
|
|
}
|
|
|
|
return parts.join("");
|
|
}
|
|
|
|
function rfc2616unquote(value) {
|
|
if (value.startsWith('"')) {
|
|
const parts = value.slice(1).split('\\"');
|
|
|
|
for (let i = 0; i < parts.length; ++i) {
|
|
const quotindex = parts[i].indexOf('"');
|
|
|
|
if (quotindex !== -1) {
|
|
parts[i] = parts[i].slice(0, quotindex);
|
|
parts.length = i + 1;
|
|
}
|
|
|
|
parts[i] = parts[i].replace(/\\(.)/g, "$1");
|
|
}
|
|
|
|
value = parts.join('"');
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
function rfc5987decode(extvalue) {
|
|
const encodingend = extvalue.indexOf("'");
|
|
|
|
if (encodingend === -1) {
|
|
return extvalue;
|
|
}
|
|
|
|
const encoding = extvalue.slice(0, encodingend);
|
|
const langvalue = extvalue.slice(encodingend + 1);
|
|
const value = langvalue.replace(/^[^']*'/, "");
|
|
return textdecode(encoding, value);
|
|
}
|
|
|
|
function rfc2047decode(value) {
|
|
if (!value.startsWith("=?") || /[\x00-\x19\x80-\xff]/.test(value)) {
|
|
return value;
|
|
}
|
|
|
|
return value.replace(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (matches, charset, encoding, text) {
|
|
if (encoding === "q" || encoding === "Q") {
|
|
text = text.replace(/_/g, " ");
|
|
text = text.replace(/=([0-9a-fA-F]{2})/g, function (match, hex) {
|
|
return String.fromCharCode(parseInt(hex, 16));
|
|
});
|
|
return textdecode(charset, text);
|
|
}
|
|
|
|
try {
|
|
text = atob(text);
|
|
} catch (e) {}
|
|
|
|
return textdecode(charset, text);
|
|
});
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
/***/ }),
|
|
/* 25 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.PDFNetworkStream = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
var _network_utils = __w_pdfjs_require__(23);
|
|
|
|
;
|
|
const OK_RESPONSE = 200;
|
|
const PARTIAL_CONTENT_RESPONSE = 206;
|
|
|
|
function getArrayBuffer(xhr) {
|
|
const data = xhr.response;
|
|
|
|
if (typeof data !== "string") {
|
|
return data;
|
|
}
|
|
|
|
const array = (0, _util.stringToBytes)(data);
|
|
return array.buffer;
|
|
}
|
|
|
|
class NetworkManager {
|
|
constructor(url, args) {
|
|
this.url = url;
|
|
args = args || {};
|
|
this.isHttp = /^https?:/i.test(url);
|
|
this.httpHeaders = this.isHttp && args.httpHeaders || {};
|
|
this.withCredentials = args.withCredentials || false;
|
|
|
|
this.getXhr = args.getXhr || function NetworkManager_getXhr() {
|
|
return new XMLHttpRequest();
|
|
};
|
|
|
|
this.currXhrId = 0;
|
|
this.pendingRequests = Object.create(null);
|
|
}
|
|
|
|
requestRange(begin, end, listeners) {
|
|
const args = {
|
|
begin,
|
|
end
|
|
};
|
|
|
|
for (const prop in listeners) {
|
|
args[prop] = listeners[prop];
|
|
}
|
|
|
|
return this.request(args);
|
|
}
|
|
|
|
requestFull(listeners) {
|
|
return this.request(listeners);
|
|
}
|
|
|
|
request(args) {
|
|
const xhr = this.getXhr();
|
|
const xhrId = this.currXhrId++;
|
|
const pendingRequest = this.pendingRequests[xhrId] = {
|
|
xhr
|
|
};
|
|
xhr.open("GET", this.url);
|
|
xhr.withCredentials = this.withCredentials;
|
|
|
|
for (const property in this.httpHeaders) {
|
|
const value = this.httpHeaders[property];
|
|
|
|
if (typeof value === "undefined") {
|
|
continue;
|
|
}
|
|
|
|
xhr.setRequestHeader(property, value);
|
|
}
|
|
|
|
if (this.isHttp && "begin" in args && "end" in args) {
|
|
xhr.setRequestHeader("Range", `bytes=${args.begin}-${args.end - 1}`);
|
|
pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;
|
|
} else {
|
|
pendingRequest.expectedStatus = OK_RESPONSE;
|
|
}
|
|
|
|
xhr.responseType = "arraybuffer";
|
|
|
|
if (args.onError) {
|
|
xhr.onerror = function (evt) {
|
|
args.onError(xhr.status);
|
|
};
|
|
}
|
|
|
|
xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
|
|
xhr.onprogress = this.onProgress.bind(this, xhrId);
|
|
pendingRequest.onHeadersReceived = args.onHeadersReceived;
|
|
pendingRequest.onDone = args.onDone;
|
|
pendingRequest.onError = args.onError;
|
|
pendingRequest.onProgress = args.onProgress;
|
|
xhr.send(null);
|
|
return xhrId;
|
|
}
|
|
|
|
onProgress(xhrId, evt) {
|
|
const pendingRequest = this.pendingRequests[xhrId];
|
|
|
|
if (!pendingRequest) {
|
|
return;
|
|
}
|
|
|
|
if (pendingRequest.onProgress) {
|
|
pendingRequest.onProgress(evt);
|
|
}
|
|
}
|
|
|
|
onStateChange(xhrId, evt) {
|
|
const pendingRequest = this.pendingRequests[xhrId];
|
|
|
|
if (!pendingRequest) {
|
|
return;
|
|
}
|
|
|
|
const xhr = pendingRequest.xhr;
|
|
|
|
if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {
|
|
pendingRequest.onHeadersReceived();
|
|
delete pendingRequest.onHeadersReceived;
|
|
}
|
|
|
|
if (xhr.readyState !== 4) {
|
|
return;
|
|
}
|
|
|
|
if (!(xhrId in this.pendingRequests)) {
|
|
return;
|
|
}
|
|
|
|
delete this.pendingRequests[xhrId];
|
|
|
|
if (xhr.status === 0 && this.isHttp) {
|
|
if (pendingRequest.onError) {
|
|
pendingRequest.onError(xhr.status);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
const xhrStatus = xhr.status || OK_RESPONSE;
|
|
const ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;
|
|
|
|
if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) {
|
|
if (pendingRequest.onError) {
|
|
pendingRequest.onError(xhr.status);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
const chunk = getArrayBuffer(xhr);
|
|
|
|
if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
|
|
const rangeHeader = xhr.getResponseHeader("Content-Range");
|
|
const matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
|
|
pendingRequest.onDone({
|
|
begin: parseInt(matches[1], 10),
|
|
chunk
|
|
});
|
|
} else if (chunk) {
|
|
pendingRequest.onDone({
|
|
begin: 0,
|
|
chunk
|
|
});
|
|
} else if (pendingRequest.onError) {
|
|
pendingRequest.onError(xhr.status);
|
|
}
|
|
}
|
|
|
|
getRequestXhr(xhrId) {
|
|
return this.pendingRequests[xhrId].xhr;
|
|
}
|
|
|
|
isPendingRequest(xhrId) {
|
|
return xhrId in this.pendingRequests;
|
|
}
|
|
|
|
abortRequest(xhrId) {
|
|
const xhr = this.pendingRequests[xhrId].xhr;
|
|
delete this.pendingRequests[xhrId];
|
|
xhr.abort();
|
|
}
|
|
|
|
}
|
|
|
|
class PDFNetworkStream {
|
|
constructor(source) {
|
|
this._source = source;
|
|
this._manager = new NetworkManager(source.url, {
|
|
httpHeaders: source.httpHeaders,
|
|
withCredentials: source.withCredentials
|
|
});
|
|
this._rangeChunkSize = source.rangeChunkSize;
|
|
this._fullRequestReader = null;
|
|
this._rangeRequestReaders = [];
|
|
}
|
|
|
|
_onRangeRequestReaderClosed(reader) {
|
|
const i = this._rangeRequestReaders.indexOf(reader);
|
|
|
|
if (i >= 0) {
|
|
this._rangeRequestReaders.splice(i, 1);
|
|
}
|
|
}
|
|
|
|
getFullReader() {
|
|
(0, _util.assert)(!this._fullRequestReader, "PDFNetworkStream.getFullReader can only be called once.");
|
|
this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source);
|
|
return this._fullRequestReader;
|
|
}
|
|
|
|
getRangeReader(begin, end) {
|
|
const reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
|
|
reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
|
|
|
|
this._rangeRequestReaders.push(reader);
|
|
|
|
return reader;
|
|
}
|
|
|
|
cancelAllRequests(reason) {
|
|
if (this._fullRequestReader) {
|
|
this._fullRequestReader.cancel(reason);
|
|
}
|
|
|
|
const readers = this._rangeRequestReaders.slice(0);
|
|
|
|
readers.forEach(function (reader) {
|
|
reader.cancel(reason);
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFNetworkStream = PDFNetworkStream;
|
|
|
|
class PDFNetworkStreamFullRequestReader {
|
|
constructor(manager, source) {
|
|
this._manager = manager;
|
|
const args = {
|
|
onHeadersReceived: this._onHeadersReceived.bind(this),
|
|
onDone: this._onDone.bind(this),
|
|
onError: this._onError.bind(this),
|
|
onProgress: this._onProgress.bind(this)
|
|
};
|
|
this._url = source.url;
|
|
this._fullRequestId = manager.requestFull(args);
|
|
this._headersReceivedCapability = (0, _util.createPromiseCapability)();
|
|
this._disableRange = source.disableRange || false;
|
|
this._contentLength = source.length;
|
|
this._rangeChunkSize = source.rangeChunkSize;
|
|
|
|
if (!this._rangeChunkSize && !this._disableRange) {
|
|
this._disableRange = true;
|
|
}
|
|
|
|
this._isStreamingSupported = false;
|
|
this._isRangeSupported = false;
|
|
this._cachedChunks = [];
|
|
this._requests = [];
|
|
this._done = false;
|
|
this._storedError = undefined;
|
|
this._filename = null;
|
|
this.onProgress = null;
|
|
}
|
|
|
|
_onHeadersReceived() {
|
|
const fullRequestXhrId = this._fullRequestId;
|
|
|
|
const fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);
|
|
|
|
const getResponseHeader = name => {
|
|
return fullRequestXhr.getResponseHeader(name);
|
|
};
|
|
|
|
const {
|
|
allowRangeRequests,
|
|
suggestedLength
|
|
} = (0, _network_utils.validateRangeRequestCapabilities)({
|
|
getResponseHeader,
|
|
isHttp: this._manager.isHttp,
|
|
rangeChunkSize: this._rangeChunkSize,
|
|
disableRange: this._disableRange
|
|
});
|
|
|
|
if (allowRangeRequests) {
|
|
this._isRangeSupported = true;
|
|
}
|
|
|
|
this._contentLength = suggestedLength || this._contentLength;
|
|
this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
|
|
|
|
if (this._isRangeSupported) {
|
|
this._manager.abortRequest(fullRequestXhrId);
|
|
}
|
|
|
|
this._headersReceivedCapability.resolve();
|
|
}
|
|
|
|
_onDone(args) {
|
|
if (args) {
|
|
if (this._requests.length > 0) {
|
|
const requestCapability = this._requests.shift();
|
|
|
|
requestCapability.resolve({
|
|
value: args.chunk,
|
|
done: false
|
|
});
|
|
} else {
|
|
this._cachedChunks.push(args.chunk);
|
|
}
|
|
}
|
|
|
|
this._done = true;
|
|
|
|
if (this._cachedChunks.length > 0) {
|
|
return;
|
|
}
|
|
|
|
this._requests.forEach(function (requestCapability) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
});
|
|
|
|
this._requests = [];
|
|
}
|
|
|
|
_onError(status) {
|
|
const url = this._url;
|
|
const exception = (0, _network_utils.createResponseStatusError)(status, url);
|
|
this._storedError = exception;
|
|
|
|
this._headersReceivedCapability.reject(exception);
|
|
|
|
this._requests.forEach(function (requestCapability) {
|
|
requestCapability.reject(exception);
|
|
});
|
|
|
|
this._requests = [];
|
|
this._cachedChunks = [];
|
|
}
|
|
|
|
_onProgress(data) {
|
|
if (this.onProgress) {
|
|
this.onProgress({
|
|
loaded: data.loaded,
|
|
total: data.lengthComputable ? data.total : this._contentLength
|
|
});
|
|
}
|
|
}
|
|
|
|
get filename() {
|
|
return this._filename;
|
|
}
|
|
|
|
get isRangeSupported() {
|
|
return this._isRangeSupported;
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return this._isStreamingSupported;
|
|
}
|
|
|
|
get contentLength() {
|
|
return this._contentLength;
|
|
}
|
|
|
|
get headersReady() {
|
|
return this._headersReceivedCapability.promise;
|
|
}
|
|
|
|
async read() {
|
|
if (this._storedError) {
|
|
throw this._storedError;
|
|
}
|
|
|
|
if (this._cachedChunks.length > 0) {
|
|
const chunk = this._cachedChunks.shift();
|
|
|
|
return {
|
|
value: chunk,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
|
|
const requestCapability = (0, _util.createPromiseCapability)();
|
|
|
|
this._requests.push(requestCapability);
|
|
|
|
return requestCapability.promise;
|
|
}
|
|
|
|
cancel(reason) {
|
|
this._done = true;
|
|
|
|
this._headersReceivedCapability.reject(reason);
|
|
|
|
this._requests.forEach(function (requestCapability) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
});
|
|
|
|
this._requests = [];
|
|
|
|
if (this._manager.isPendingRequest(this._fullRequestId)) {
|
|
this._manager.abortRequest(this._fullRequestId);
|
|
}
|
|
|
|
this._fullRequestReader = null;
|
|
}
|
|
|
|
}
|
|
|
|
class PDFNetworkStreamRangeRequestReader {
|
|
constructor(manager, begin, end) {
|
|
this._manager = manager;
|
|
const args = {
|
|
onDone: this._onDone.bind(this),
|
|
onProgress: this._onProgress.bind(this)
|
|
};
|
|
this._requestId = manager.requestRange(begin, end, args);
|
|
this._requests = [];
|
|
this._queuedChunk = null;
|
|
this._done = false;
|
|
this.onProgress = null;
|
|
this.onClosed = null;
|
|
}
|
|
|
|
_close() {
|
|
if (this.onClosed) {
|
|
this.onClosed(this);
|
|
}
|
|
}
|
|
|
|
_onDone(data) {
|
|
const chunk = data.chunk;
|
|
|
|
if (this._requests.length > 0) {
|
|
const requestCapability = this._requests.shift();
|
|
|
|
requestCapability.resolve({
|
|
value: chunk,
|
|
done: false
|
|
});
|
|
} else {
|
|
this._queuedChunk = chunk;
|
|
}
|
|
|
|
this._done = true;
|
|
|
|
this._requests.forEach(function (requestCapability) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
});
|
|
|
|
this._requests = [];
|
|
|
|
this._close();
|
|
}
|
|
|
|
_onProgress(evt) {
|
|
if (!this.isStreamingSupported && this.onProgress) {
|
|
this.onProgress({
|
|
loaded: evt.loaded
|
|
});
|
|
}
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return false;
|
|
}
|
|
|
|
async read() {
|
|
if (this._queuedChunk !== null) {
|
|
const chunk = this._queuedChunk;
|
|
this._queuedChunk = null;
|
|
return {
|
|
value: chunk,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
|
|
const requestCapability = (0, _util.createPromiseCapability)();
|
|
|
|
this._requests.push(requestCapability);
|
|
|
|
return requestCapability.promise;
|
|
}
|
|
|
|
cancel(reason) {
|
|
this._done = true;
|
|
|
|
this._requests.forEach(function (requestCapability) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
});
|
|
|
|
this._requests = [];
|
|
|
|
if (this._manager.isPendingRequest(this._requestId)) {
|
|
this._manager.abortRequest(this._requestId);
|
|
}
|
|
|
|
this._close();
|
|
}
|
|
|
|
}
|
|
|
|
/***/ }),
|
|
/* 26 */
|
|
/***/ (function(module, exports, __w_pdfjs_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.PDFFetchStream = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(2);
|
|
|
|
var _network_utils = __w_pdfjs_require__(23);
|
|
|
|
;
|
|
|
|
function createFetchOptions(headers, withCredentials, abortController) {
|
|
return {
|
|
method: "GET",
|
|
headers,
|
|
signal: abortController && abortController.signal,
|
|
mode: "cors",
|
|
credentials: withCredentials ? "include" : "same-origin",
|
|
redirect: "follow"
|
|
};
|
|
}
|
|
|
|
function createHeaders(httpHeaders) {
|
|
const headers = new Headers();
|
|
|
|
for (const property in httpHeaders) {
|
|
const value = httpHeaders[property];
|
|
|
|
if (typeof value === "undefined") {
|
|
continue;
|
|
}
|
|
|
|
headers.append(property, value);
|
|
}
|
|
|
|
return headers;
|
|
}
|
|
|
|
class PDFFetchStream {
|
|
constructor(source) {
|
|
this.source = source;
|
|
this.isHttp = /^https?:/i.test(source.url);
|
|
this.httpHeaders = this.isHttp && source.httpHeaders || {};
|
|
this._fullRequestReader = null;
|
|
this._rangeRequestReaders = [];
|
|
}
|
|
|
|
get _progressiveDataLength() {
|
|
return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
|
|
}
|
|
|
|
getFullReader() {
|
|
(0, _util.assert)(!this._fullRequestReader, "PDFFetchStream.getFullReader can only be called once.");
|
|
this._fullRequestReader = new PDFFetchStreamReader(this);
|
|
return this._fullRequestReader;
|
|
}
|
|
|
|
getRangeReader(begin, end) {
|
|
if (end <= this._progressiveDataLength) {
|
|
return null;
|
|
}
|
|
|
|
const reader = new PDFFetchStreamRangeReader(this, begin, end);
|
|
|
|
this._rangeRequestReaders.push(reader);
|
|
|
|
return reader;
|
|
}
|
|
|
|
cancelAllRequests(reason) {
|
|
if (this._fullRequestReader) {
|
|
this._fullRequestReader.cancel(reason);
|
|
}
|
|
|
|
const readers = this._rangeRequestReaders.slice(0);
|
|
|
|
readers.forEach(function (reader) {
|
|
reader.cancel(reason);
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFFetchStream = PDFFetchStream;
|
|
|
|
class PDFFetchStreamReader {
|
|
constructor(stream) {
|
|
this._stream = stream;
|
|
this._reader = null;
|
|
this._loaded = 0;
|
|
this._filename = null;
|
|
const source = stream.source;
|
|
this._withCredentials = source.withCredentials || false;
|
|
this._contentLength = source.length;
|
|
this._headersCapability = (0, _util.createPromiseCapability)();
|
|
this._disableRange = source.disableRange || false;
|
|
this._rangeChunkSize = source.rangeChunkSize;
|
|
|
|
if (!this._rangeChunkSize && !this._disableRange) {
|
|
this._disableRange = true;
|
|
}
|
|
|
|
if (typeof AbortController !== "undefined") {
|
|
this._abortController = new AbortController();
|
|
}
|
|
|
|
this._isStreamingSupported = !source.disableStream;
|
|
this._isRangeSupported = !source.disableRange;
|
|
this._headers = createHeaders(this._stream.httpHeaders);
|
|
const url = source.url;
|
|
fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
|
|
if (!(0, _network_utils.validateResponseStatus)(response.status)) {
|
|
throw (0, _network_utils.createResponseStatusError)(response.status, url);
|
|
}
|
|
|
|
this._reader = response.body.getReader();
|
|
|
|
this._headersCapability.resolve();
|
|
|
|
const getResponseHeader = name => {
|
|
return response.headers.get(name);
|
|
};
|
|
|
|
const {
|
|
allowRangeRequests,
|
|
suggestedLength
|
|
} = (0, _network_utils.validateRangeRequestCapabilities)({
|
|
getResponseHeader,
|
|
isHttp: this._stream.isHttp,
|
|
rangeChunkSize: this._rangeChunkSize,
|
|
disableRange: this._disableRange
|
|
});
|
|
this._isRangeSupported = allowRangeRequests;
|
|
this._contentLength = suggestedLength || this._contentLength;
|
|
this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
|
|
|
|
if (!this._isStreamingSupported && this._isRangeSupported) {
|
|
this.cancel(new _util.AbortException("Streaming is disabled."));
|
|
}
|
|
}).catch(this._headersCapability.reject);
|
|
this.onProgress = null;
|
|
}
|
|
|
|
get headersReady() {
|
|
return this._headersCapability.promise;
|
|
}
|
|
|
|
get filename() {
|
|
return this._filename;
|
|
}
|
|
|
|
get contentLength() {
|
|
return this._contentLength;
|
|
}
|
|
|
|
get isRangeSupported() {
|
|
return this._isRangeSupported;
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return this._isStreamingSupported;
|
|
}
|
|
|
|
async read() {
|
|
await this._headersCapability.promise;
|
|
const {
|
|
value,
|
|
done
|
|
} = await this._reader.read();
|
|
|
|
if (done) {
|
|
return {
|
|
value,
|
|
done
|
|
};
|
|
}
|
|
|
|
this._loaded += value.byteLength;
|
|
|
|
if (this.onProgress) {
|
|
this.onProgress({
|
|
loaded: this._loaded,
|
|
total: this._contentLength
|
|
});
|
|
}
|
|
|
|
const buffer = new Uint8Array(value).buffer;
|
|
return {
|
|
value: buffer,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
cancel(reason) {
|
|
if (this._reader) {
|
|
this._reader.cancel(reason);
|
|
}
|
|
|
|
if (this._abortController) {
|
|
this._abortController.abort();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
class PDFFetchStreamRangeReader {
|
|
constructor(stream, begin, end) {
|
|
this._stream = stream;
|
|
this._reader = null;
|
|
this._loaded = 0;
|
|
const source = stream.source;
|
|
this._withCredentials = source.withCredentials || false;
|
|
this._readCapability = (0, _util.createPromiseCapability)();
|
|
this._isStreamingSupported = !source.disableStream;
|
|
|
|
if (typeof AbortController !== "undefined") {
|
|
this._abortController = new AbortController();
|
|
}
|
|
|
|
this._headers = createHeaders(this._stream.httpHeaders);
|
|
|
|
this._headers.append("Range", `bytes=${begin}-${end - 1}`);
|
|
|
|
const url = source.url;
|
|
fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
|
|
if (!(0, _network_utils.validateResponseStatus)(response.status)) {
|
|
throw (0, _network_utils.createResponseStatusError)(response.status, url);
|
|
}
|
|
|
|
this._readCapability.resolve();
|
|
|
|
this._reader = response.body.getReader();
|
|
}).catch(reason => {
|
|
if (reason && reason.name === "AbortError") {
|
|
return;
|
|
}
|
|
|
|
throw reason;
|
|
});
|
|
this.onProgress = null;
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return this._isStreamingSupported;
|
|
}
|
|
|
|
async read() {
|
|
await this._readCapability.promise;
|
|
const {
|
|
value,
|
|
done
|
|
} = await this._reader.read();
|
|
|
|
if (done) {
|
|
return {
|
|
value,
|
|
done
|
|
};
|
|
}
|
|
|
|
this._loaded += value.byteLength;
|
|
|
|
if (this.onProgress) {
|
|
this.onProgress({
|
|
loaded: this._loaded
|
|
});
|
|
}
|
|
|
|
const buffer = new Uint8Array(value).buffer;
|
|
return {
|
|
value: buffer,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
cancel(reason) {
|
|
if (this._reader) {
|
|
this._reader.cancel(reason);
|
|
}
|
|
|
|
if (this._abortController) {
|
|
this._abortController.abort();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/***/ })
|
|
/******/ ]);
|
|
});
|
|
//# sourceMappingURL=pdf.js.map
|