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debian-mirror-gitlab/vendor/assets/javascripts/pdflab.js
Pirate Praveen b03c211899 New upstream version 9.2.10+dfsg
2017-08-17 22:00:37 +05:30

12484 lines
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410 KiB
JavaScript
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(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define("PDFLab", [], factory);
else if(typeof exports === 'object')
exports["PDFLab"] = factory();
else
root["PDFLab"] = factory();
})(this, function() {
return /******/ (function(modules) { // webpackBootstrap
/******/ // install a JSONP callback for chunk loading
/******/ var parentJsonpFunction = window["webpackJsonpPDFLab"];
/******/ window["webpackJsonpPDFLab"] = function webpackJsonpCallback(chunkIds, moreModules, executeModules) {
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/******/ script.src = __webpack_require__.p + "" + chunkId + ".js";
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var process = module.exports = {};
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// don't break things. But we need to wrap it in a try catch in case it is
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var cachedSetTimeout;
var cachedClearTimeout;
function defaultSetTimout() {
throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
throw new Error('clearTimeout has not been defined');
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(function () {
try {
if (typeof setTimeout === 'function') {
cachedSetTimeout = setTimeout;
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cachedSetTimeout = defaultSetTimout;
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try {
if (typeof clearTimeout === 'function') {
cachedClearTimeout = clearTimeout;
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cachedClearTimeout = defaultClearTimeout;
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cachedClearTimeout = defaultClearTimeout;
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} ())
function runTimeout(fun) {
if (cachedSetTimeout === setTimeout) {
//normal enviroments in sane situations
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cachedSetTimeout = setTimeout;
return setTimeout(fun, 0);
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try {
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return cachedSetTimeout(fun, 0);
} catch(e){
try {
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
return cachedSetTimeout.call(null, fun, 0);
} catch(e){
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
return cachedSetTimeout.call(this, fun, 0);
}
}
}
function runClearTimeout(marker) {
if (cachedClearTimeout === clearTimeout) {
//normal enviroments in sane situations
return clearTimeout(marker);
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// if clearTimeout wasn't available but was latter defined
if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
cachedClearTimeout = clearTimeout;
return clearTimeout(marker);
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try {
// when when somebody has screwed with setTimeout but no I.E. maddness
return cachedClearTimeout(marker);
} catch (e){
try {
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
return cachedClearTimeout.call(null, marker);
} catch (e){
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
// Some versions of I.E. have different rules for clearTimeout vs setTimeout
return cachedClearTimeout.call(this, marker);
}
}
}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;
function cleanUpNextTick() {
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}
draining = false;
if (currentQueue.length) {
queue = currentQueue.concat(queue);
} else {
queueIndex = -1;
}
if (queue.length) {
drainQueue();
}
}
function drainQueue() {
if (draining) {
return;
}
var timeout = runTimeout(cleanUpNextTick);
draining = true;
var len = queue.length;
while(len) {
currentQueue = queue;
queue = [];
while (++queueIndex < len) {
if (currentQueue) {
currentQueue[queueIndex].run();
}
}
queueIndex = -1;
len = queue.length;
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currentQueue = null;
draining = false;
runClearTimeout(timeout);
}
process.nextTick = function (fun) {
var args = new Array(arguments.length - 1);
if (arguments.length > 1) {
for (var i = 1; i < arguments.length; i++) {
args[i - 1] = arguments[i];
}
}
queue.push(new Item(fun, args));
if (queue.length === 1 && !draining) {
runTimeout(drainQueue);
}
};
// v8 likes predictible objects
function Item(fun, array) {
this.fun = fun;
this.array = array;
}
Item.prototype.run = function () {
this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};
function noop() {}
process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.binding = function (name) {
throw new Error('process.binding is not supported');
};
process.cwd = function () { return '/' };
process.chdir = function (dir) {
throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };
/***/ }),
/* 1 */,
/* 2 */
/***/ (function(module, exports, __webpack_require__) {
/* WEBPACK VAR INJECTION */(function(process) {/* Copyright 2017 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.
*/
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if(true)
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.pdfjsDistBuildPdf = factory();
})(this, function() {
return /******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/
/******/ // The require function
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/***/ (function(module, exports, __w_pdfjs_require__) {
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var compatibility = __w_pdfjs_require__(14);
var globalScope = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : undefined;
var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
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FILL_STROKE_ADD_TO_PATH: 6,
ADD_TO_PATH: 7,
FILL_STROKE_MASK: 3,
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};
var ImageKind = {
GRAYSCALE_1BPP: 1,
RGB_24BPP: 2,
RGBA_32BPP: 3
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LINK: 2,
FREETEXT: 3,
LINE: 4,
SQUARE: 5,
CIRCLE: 6,
POLYGON: 7,
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HIGHLIGHT: 9,
UNDERLINE: 10,
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STAMP: 13,
CARET: 14,
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POPUP: 16,
FILEATTACHMENT: 17,
SOUND: 18,
MOVIE: 19,
WIDGET: 20,
SCREEN: 21,
PRINTERMARK: 22,
TRAPNET: 23,
WATERMARK: 24,
THREED: 25,
REDACT: 26
};
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HIDDEN: 0x02,
PRINT: 0x04,
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NOROTATE: 0x10,
NOVIEW: 0x20,
READONLY: 0x40,
LOCKED: 0x80,
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};
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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
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rectangle: 19,
stroke: 20,
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fillStroke: 24,
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PasswordException.prototype = new Error();
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function UnknownErrorException(msg, details) {
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XRefParseException.constructor = XRefParseException;
return XRefParseException;
}();
var NullCharactersRegExp = /\x00/g;
function removeNullCharacters(str) {
if (typeof str !== 'string') {
warn('The argument for removeNullCharacters must be a string.');
return str;
}
return str.replace(NullCharactersRegExp, '');
}
function bytesToString(bytes) {
assert(bytes !== null && typeof bytes === 'object' && bytes.length !== undefined, 'Invalid argument for bytesToString');
var length = bytes.length;
var MAX_ARGUMENT_COUNT = 8192;
if (length < MAX_ARGUMENT_COUNT) {
return String.fromCharCode.apply(null, bytes);
}
var strBuf = [];
for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
var chunk = bytes.subarray(i, chunkEnd);
strBuf.push(String.fromCharCode.apply(null, chunk));
}
return strBuf.join('');
}
function stringToBytes(str) {
assert(typeof str === 'string', 'Invalid argument for stringToBytes');
var length = str.length;
var bytes = new Uint8Array(length);
for (var i = 0; i < length; ++i) {
bytes[i] = str.charCodeAt(i) & 0xFF;
}
return bytes;
}
function arrayByteLength(arr) {
if (arr.length !== undefined) {
return arr.length;
}
assert(arr.byteLength !== undefined);
return arr.byteLength;
}
function arraysToBytes(arr) {
if (arr.length === 1 && arr[0] instanceof Uint8Array) {
return arr[0];
}
var resultLength = 0;
var i,
ii = arr.length;
var item, itemLength;
for (i = 0; i < ii; i++) {
item = arr[i];
itemLength = arrayByteLength(item);
resultLength += itemLength;
}
var pos = 0;
var data = new Uint8Array(resultLength);
for (i = 0; i < ii; i++) {
item = arr[i];
if (!(item instanceof Uint8Array)) {
if (typeof item === 'string') {
item = stringToBytes(item);
} else {
item = new Uint8Array(item);
}
}
itemLength = item.byteLength;
data.set(item, pos);
pos += itemLength;
}
return data;
}
function string32(value) {
return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
}
function log2(x) {
var n = 1,
i = 0;
while (x > n) {
n <<= 1;
i++;
}
return i;
}
function readInt8(data, start) {
return data[start] << 24 >> 24;
}
function readUint16(data, offset) {
return data[offset] << 8 | data[offset + 1];
}
function readUint32(data, offset) {
return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
}
function isLittleEndian() {
var buffer8 = new Uint8Array(2);
buffer8[0] = 1;
var buffer16 = new Uint16Array(buffer8.buffer);
return buffer16[0] === 1;
}
function isEvalSupported() {
try {
new Function('');
return true;
} catch (e) {
return false;
}
}
var Uint32ArrayView = function Uint32ArrayViewClosure() {
function Uint32ArrayView(buffer, length) {
this.buffer = buffer;
this.byteLength = buffer.length;
this.length = length === undefined ? this.byteLength >> 2 : length;
ensureUint32ArrayViewProps(this.length);
}
Uint32ArrayView.prototype = Object.create(null);
var uint32ArrayViewSetters = 0;
function createUint32ArrayProp(index) {
return {
get: function () {
var buffer = this.buffer,
offset = index << 2;
return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
},
set: function (value) {
var buffer = this.buffer,
offset = index << 2;
buffer[offset] = value & 255;
buffer[offset + 1] = value >> 8 & 255;
buffer[offset + 2] = value >> 16 & 255;
buffer[offset + 3] = value >>> 24 & 255;
}
};
}
function ensureUint32ArrayViewProps(length) {
while (uint32ArrayViewSetters < length) {
Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
uint32ArrayViewSetters++;
}
}
return Uint32ArrayView;
}();
exports.Uint32ArrayView = Uint32ArrayView;
var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
var Util = function UtilClosure() {
function Util() {}
var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')'];
Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {
rgbBuf[1] = r;
rgbBuf[3] = g;
rgbBuf[5] = b;
return rgbBuf.join('');
};
Util.transform = function Util_transform(m1, m2) {
return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
};
Util.applyTransform = function Util_applyTransform(p, m) {
var xt = p[0] * m[0] + p[1] * m[2] + m[4];
var yt = p[0] * m[1] + p[1] * m[3] + m[5];
return [xt, yt];
};
Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {
var d = m[0] * m[3] - m[1] * m[2];
var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
return [xt, yt];
};
Util.getAxialAlignedBoundingBox = function Util_getAxialAlignedBoundingBox(r, m) {
var p1 = Util.applyTransform(r, m);
var p2 = Util.applyTransform(r.slice(2, 4), m);
var p3 = Util.applyTransform([r[0], r[3]], m);
var p4 = Util.applyTransform([r[2], r[1]], m);
return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
};
Util.inverseTransform = function Util_inverseTransform(m) {
var d = m[0] * m[3] - m[1] * m[2];
return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
};
Util.apply3dTransform = function Util_apply3dTransform(m, v) {
return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
};
Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) {
var transpose = [m[0], m[2], m[1], m[3]];
var a = m[0] * transpose[0] + m[1] * transpose[2];
var b = m[0] * transpose[1] + m[1] * transpose[3];
var c = m[2] * transpose[0] + m[3] * transpose[2];
var d = m[2] * transpose[1] + m[3] * transpose[3];
var first = (a + d) / 2;
var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
var sx = first + second || 1;
var sy = first - second || 1;
return [Math.sqrt(sx), Math.sqrt(sy)];
};
Util.normalizeRect = function Util_normalizeRect(rect) {
var r = rect.slice(0);
if (rect[0] > rect[2]) {
r[0] = rect[2];
r[2] = rect[0];
}
if (rect[1] > rect[3]) {
r[1] = rect[3];
r[3] = rect[1];
}
return r;
};
Util.intersect = function Util_intersect(rect1, rect2) {
function compare(a, b) {
return a - b;
}
var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare),
orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare),
result = [];
rect1 = Util.normalizeRect(rect1);
rect2 = Util.normalizeRect(rect2);
if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
result[0] = orderedX[1];
result[2] = orderedX[2];
} else {
return false;
}
if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
result[1] = orderedY[1];
result[3] = orderedY[2];
} else {
return false;
}
return result;
};
Util.sign = function Util_sign(num) {
return num < 0 ? -1 : 1;
};
var ROMAN_NUMBER_MAP = ['', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM', '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC', '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX'];
Util.toRoman = function Util_toRoman(number, lowerCase) {
assert(isInt(number) && number > 0, 'The number should be a positive integer.');
var pos,
romanBuf = [];
while (number >= 1000) {
number -= 1000;
romanBuf.push('M');
}
pos = number / 100 | 0;
number %= 100;
romanBuf.push(ROMAN_NUMBER_MAP[pos]);
pos = number / 10 | 0;
number %= 10;
romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
var romanStr = romanBuf.join('');
return lowerCase ? romanStr.toLowerCase() : romanStr;
};
Util.appendToArray = function Util_appendToArray(arr1, arr2) {
Array.prototype.push.apply(arr1, arr2);
};
Util.prependToArray = function Util_prependToArray(arr1, arr2) {
Array.prototype.unshift.apply(arr1, arr2);
};
Util.extendObj = function extendObj(obj1, obj2) {
for (var key in obj2) {
obj1[key] = obj2[key];
}
};
Util.getInheritableProperty = function Util_getInheritableProperty(dict, name, getArray) {
while (dict && !dict.has(name)) {
dict = dict.get('Parent');
}
if (!dict) {
return null;
}
return getArray ? dict.getArray(name) : dict.get(name);
};
Util.inherit = function Util_inherit(sub, base, prototype) {
sub.prototype = Object.create(base.prototype);
sub.prototype.constructor = sub;
for (var prop in prototype) {
sub.prototype[prop] = prototype[prop];
}
};
Util.loadScript = function Util_loadScript(src, callback) {
var script = document.createElement('script');
var loaded = false;
script.setAttribute('src', src);
if (callback) {
script.onload = function () {
if (!loaded) {
callback();
}
loaded = true;
};
}
document.getElementsByTagName('head')[0].appendChild(script);
};
return Util;
}();
var PageViewport = function PageViewportClosure() {
function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) {
this.viewBox = viewBox;
this.scale = scale;
this.rotation = rotation;
this.offsetX = offsetX;
this.offsetY = offsetY;
var centerX = (viewBox[2] + viewBox[0]) / 2;
var centerY = (viewBox[3] + viewBox[1]) / 2;
var rotateA, rotateB, rotateC, rotateD;
rotation = rotation % 360;
rotation = rotation < 0 ? rotation + 360 : rotation;
switch (rotation) {
case 180:
rotateA = -1;
rotateB = 0;
rotateC = 0;
rotateD = 1;
break;
case 90:
rotateA = 0;
rotateB = 1;
rotateC = 1;
rotateD = 0;
break;
case 270:
rotateA = 0;
rotateB = -1;
rotateC = -1;
rotateD = 0;
break;
default:
rotateA = 1;
rotateB = 0;
rotateC = 0;
rotateD = -1;
break;
}
if (dontFlip) {
rotateC = -rotateC;
rotateD = -rotateD;
}
var offsetCanvasX, offsetCanvasY;
var 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;
this.fontScale = scale;
}
PageViewport.prototype = {
clone: function PageViewPort_clone(args) {
args = args || {};
var scale = 'scale' in args ? args.scale : this.scale;
var rotation = 'rotation' in args ? args.rotation : this.rotation;
return new PageViewport(this.viewBox.slice(), scale, rotation, this.offsetX, this.offsetY, args.dontFlip);
},
convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) {
return Util.applyTransform([x, y], this.transform);
},
convertToViewportRectangle: function PageViewport_convertToViewportRectangle(rect) {
var tl = Util.applyTransform([rect[0], rect[1]], this.transform);
var br = Util.applyTransform([rect[2], rect[3]], this.transform);
return [tl[0], tl[1], br[0], br[1]];
},
convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) {
return Util.applyInverseTransform([x, y], this.transform);
}
};
return PageViewport;
}();
var PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
function stringToPDFString(str) {
var i,
n = str.length,
strBuf = [];
if (str[0] === '\xFE' && str[1] === '\xFF') {
for (i = 2; i < n; i += 2) {
strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
}
} else {
for (i = 0; i < n; ++i) {
var code = PDFStringTranslateTable[str.charCodeAt(i)];
strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
}
}
return strBuf.join('');
}
function stringToUTF8String(str) {
return decodeURIComponent(escape(str));
}
function utf8StringToString(str) {
return unescape(encodeURIComponent(str));
}
function isEmptyObj(obj) {
for (var key in obj) {
return false;
}
return true;
}
function isBool(v) {
return typeof v === 'boolean';
}
function isInt(v) {
return typeof v === 'number' && (v | 0) === v;
}
function isNum(v) {
return typeof v === 'number';
}
function isString(v) {
return typeof v === 'string';
}
function isArray(v) {
return v instanceof Array;
}
function isArrayBuffer(v) {
return typeof v === 'object' && v !== null && v.byteLength !== undefined;
}
function isSpace(ch) {
return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A;
}
function isNodeJS() {
if (typeof __pdfjsdev_webpack__ === 'undefined') {
return typeof process === 'object' && process + '' === '[object process]';
}
return false;
}
function createPromiseCapability() {
var capability = {};
capability.promise = new Promise(function (resolve, reject) {
capability.resolve = resolve;
capability.reject = reject;
});
return capability;
}
var StatTimer = function StatTimerClosure() {
function rpad(str, pad, length) {
while (str.length < length) {
str += pad;
}
return str;
}
function StatTimer() {
this.started = Object.create(null);
this.times = [];
this.enabled = true;
}
StatTimer.prototype = {
time: function StatTimer_time(name) {
if (!this.enabled) {
return;
}
if (name in this.started) {
warn('Timer is already running for ' + name);
}
this.started[name] = Date.now();
},
timeEnd: function StatTimer_timeEnd(name) {
if (!this.enabled) {
return;
}
if (!(name in this.started)) {
warn('Timer has not been started for ' + name);
}
this.times.push({
'name': name,
'start': this.started[name],
'end': Date.now()
});
delete this.started[name];
},
toString: function StatTimer_toString() {
var i, ii;
var times = this.times;
var out = '';
var longest = 0;
for (i = 0, ii = times.length; i < ii; ++i) {
var name = times[i]['name'];
if (name.length > longest) {
longest = name.length;
}
}
for (i = 0, ii = times.length; i < ii; ++i) {
var span = times[i];
var duration = span.end - span.start;
out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n';
}
return out;
}
};
return StatTimer;
}();
var createBlob = function createBlob(data, contentType) {
if (typeof Blob !== 'undefined') {
return new Blob([data], { type: contentType });
}
warn('The "Blob" constructor is not supported.');
};
var createObjectURL = function createObjectURLClosure() {
var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
return function createObjectURL(data, contentType, forceDataSchema) {
if (!forceDataSchema && typeof URL !== 'undefined' && URL.createObjectURL) {
var blob = createBlob(data, contentType);
return URL.createObjectURL(blob);
}
var buffer = 'data:' + contentType + ';base64,';
for (var i = 0, ii = data.length; i < ii; i += 3) {
var b1 = data[i] & 0xFF;
var b2 = data[i + 1] & 0xFF;
var b3 = data[i + 2] & 0xFF;
var d1 = b1 >> 2,
d2 = (b1 & 3) << 4 | b2 >> 4;
var d3 = i + 1 < ii ? (b2 & 0xF) << 2 | b3 >> 6 : 64;
var d4 = i + 2 < ii ? b3 & 0x3F : 64;
buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
}
return buffer;
};
}();
function MessageHandler(sourceName, targetName, comObj) {
this.sourceName = sourceName;
this.targetName = targetName;
this.comObj = comObj;
this.callbackIndex = 1;
this.postMessageTransfers = true;
var callbacksCapabilities = this.callbacksCapabilities = Object.create(null);
var ah = this.actionHandler = Object.create(null);
this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) {
var data = event.data;
if (data.targetName !== this.sourceName) {
return;
}
if (data.isReply) {
var callbackId = data.callbackId;
if (data.callbackId in callbacksCapabilities) {
var callback = callbacksCapabilities[callbackId];
delete callbacksCapabilities[callbackId];
if ('error' in data) {
callback.reject(data.error);
} else {
callback.resolve(data.data);
}
} else {
error('Cannot resolve callback ' + callbackId);
}
} else if (data.action in ah) {
var action = ah[data.action];
if (data.callbackId) {
var sourceName = this.sourceName;
var targetName = data.sourceName;
Promise.resolve().then(function () {
return action[0].call(action[1], data.data);
}).then(function (result) {
comObj.postMessage({
sourceName: sourceName,
targetName: targetName,
isReply: true,
callbackId: data.callbackId,
data: result
});
}, function (reason) {
if (reason instanceof Error) {
reason = reason + '';
}
comObj.postMessage({
sourceName: sourceName,
targetName: targetName,
isReply: true,
callbackId: data.callbackId,
error: reason
});
});
} else {
action[0].call(action[1], data.data);
}
} else {
error('Unknown action from worker: ' + data.action);
}
}.bind(this);
comObj.addEventListener('message', this._onComObjOnMessage);
}
MessageHandler.prototype = {
on: function messageHandlerOn(actionName, handler, scope) {
var ah = this.actionHandler;
if (ah[actionName]) {
error('There is already an actionName called "' + actionName + '"');
}
ah[actionName] = [handler, scope];
},
send: function messageHandlerSend(actionName, data, transfers) {
var message = {
sourceName: this.sourceName,
targetName: this.targetName,
action: actionName,
data: data
};
this.postMessage(message, transfers);
},
sendWithPromise: function messageHandlerSendWithPromise(actionName, data, transfers) {
var callbackId = this.callbackIndex++;
var message = {
sourceName: this.sourceName,
targetName: this.targetName,
action: actionName,
data: data,
callbackId: callbackId
};
var capability = createPromiseCapability();
this.callbacksCapabilities[callbackId] = capability;
try {
this.postMessage(message, transfers);
} catch (e) {
capability.reject(e);
}
return capability.promise;
},
postMessage: function (message, transfers) {
if (transfers && this.postMessageTransfers) {
this.comObj.postMessage(message, transfers);
} else {
this.comObj.postMessage(message);
}
},
destroy: function () {
this.comObj.removeEventListener('message', this._onComObjOnMessage);
}
};
function loadJpegStream(id, imageUrl, objs) {
var img = new Image();
img.onload = function loadJpegStream_onloadClosure() {
objs.resolve(id, img);
};
img.onerror = function loadJpegStream_onerrorClosure() {
objs.resolve(id, null);
warn('Error during JPEG image loading');
};
img.src = imageUrl;
}
exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
exports.OPS = OPS;
exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS;
exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
exports.AnnotationFieldFlag = AnnotationFieldFlag;
exports.AnnotationFlag = AnnotationFlag;
exports.AnnotationType = AnnotationType;
exports.FontType = FontType;
exports.ImageKind = ImageKind;
exports.CMapCompressionType = CMapCompressionType;
exports.InvalidPDFException = InvalidPDFException;
exports.MessageHandler = MessageHandler;
exports.MissingDataException = MissingDataException;
exports.MissingPDFException = MissingPDFException;
exports.NotImplementedException = NotImplementedException;
exports.PageViewport = PageViewport;
exports.PasswordException = PasswordException;
exports.PasswordResponses = PasswordResponses;
exports.StatTimer = StatTimer;
exports.StreamType = StreamType;
exports.TextRenderingMode = TextRenderingMode;
exports.UnexpectedResponseException = UnexpectedResponseException;
exports.UnknownErrorException = UnknownErrorException;
exports.Util = Util;
exports.XRefParseException = XRefParseException;
exports.arrayByteLength = arrayByteLength;
exports.arraysToBytes = arraysToBytes;
exports.assert = assert;
exports.bytesToString = bytesToString;
exports.createBlob = createBlob;
exports.createPromiseCapability = createPromiseCapability;
exports.createObjectURL = createObjectURL;
exports.deprecated = deprecated;
exports.error = error;
exports.getLookupTableFactory = getLookupTableFactory;
exports.getVerbosityLevel = getVerbosityLevel;
exports.globalScope = globalScope;
exports.info = info;
exports.isArray = isArray;
exports.isArrayBuffer = isArrayBuffer;
exports.isBool = isBool;
exports.isEmptyObj = isEmptyObj;
exports.isInt = isInt;
exports.isNum = isNum;
exports.isString = isString;
exports.isSpace = isSpace;
exports.isNodeJS = isNodeJS;
exports.isSameOrigin = isSameOrigin;
exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
exports.isLittleEndian = isLittleEndian;
exports.isEvalSupported = isEvalSupported;
exports.loadJpegStream = loadJpegStream;
exports.log2 = log2;
exports.readInt8 = readInt8;
exports.readUint16 = readUint16;
exports.readUint32 = readUint32;
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;
/* WEBPACK VAR INJECTION */}.call(exports, __w_pdfjs_require__(6)))
/***/ }),
/* 1 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
var sharedUtil = __w_pdfjs_require__(0);
var assert = sharedUtil.assert;
var removeNullCharacters = sharedUtil.removeNullCharacters;
var warn = sharedUtil.warn;
var deprecated = sharedUtil.deprecated;
var createValidAbsoluteUrl = sharedUtil.createValidAbsoluteUrl;
var stringToBytes = sharedUtil.stringToBytes;
var CMapCompressionType = sharedUtil.CMapCompressionType;
var DEFAULT_LINK_REL = 'noopener noreferrer nofollow';
function DOMCanvasFactory() {}
DOMCanvasFactory.prototype = {
create: function DOMCanvasFactory_create(width, height) {
assert(width > 0 && height > 0, 'invalid canvas size');
var canvas = document.createElement('canvas');
var context = canvas.getContext('2d');
canvas.width = width;
canvas.height = height;
return {
canvas: canvas,
context: context
};
},
reset: function DOMCanvasFactory_reset(canvasAndContextPair, width, height) {
assert(canvasAndContextPair.canvas, 'canvas is not specified');
assert(width > 0 && height > 0, 'invalid canvas size');
canvasAndContextPair.canvas.width = width;
canvasAndContextPair.canvas.height = height;
},
destroy: function DOMCanvasFactory_destroy(canvasAndContextPair) {
assert(canvasAndContextPair.canvas, 'canvas is not specified');
canvasAndContextPair.canvas.width = 0;
canvasAndContextPair.canvas.height = 0;
canvasAndContextPair.canvas = null;
canvasAndContextPair.context = null;
}
};
var DOMCMapReaderFactory = function DOMCMapReaderFactoryClosure() {
function DOMCMapReaderFactory(params) {
this.baseUrl = params.baseUrl || null;
this.isCompressed = params.isCompressed || false;
}
DOMCMapReaderFactory.prototype = {
fetch: function (params) {
var name = params.name;
if (!name) {
return Promise.reject(new Error('CMap name must be specified.'));
}
return new Promise(function (resolve, reject) {
var url = this.baseUrl + name + (this.isCompressed ? '.bcmap' : '');
var request = new XMLHttpRequest();
request.open('GET', url, true);
if (this.isCompressed) {
request.responseType = 'arraybuffer';
}
request.onreadystatechange = function () {
if (request.readyState !== XMLHttpRequest.DONE) {
return;
}
if (request.status === 200 || request.status === 0) {
var data;
if (this.isCompressed && request.response) {
data = new Uint8Array(request.response);
} else if (!this.isCompressed && request.responseText) {
data = stringToBytes(request.responseText);
}
if (data) {
resolve({
cMapData: data,
compressionType: this.isCompressed ? CMapCompressionType.BINARY : CMapCompressionType.NONE
});
return;
}
}
reject(new Error('Unable to load ' + (this.isCompressed ? 'binary ' : '') + 'CMap at: ' + url));
}.bind(this);
request.send(null);
}.bind(this));
}
};
return DOMCMapReaderFactory;
}();
var CustomStyle = function CustomStyleClosure() {
var prefixes = ['ms', 'Moz', 'Webkit', 'O'];
var _cache = Object.create(null);
function CustomStyle() {}
CustomStyle.getProp = function get(propName, element) {
if (arguments.length === 1 && typeof _cache[propName] === 'string') {
return _cache[propName];
}
element = element || document.documentElement;
var style = element.style,
prefixed,
uPropName;
if (typeof style[propName] === 'string') {
return _cache[propName] = propName;
}
uPropName = propName.charAt(0).toUpperCase() + propName.slice(1);
for (var i = 0, l = prefixes.length; i < l; i++) {
prefixed = prefixes[i] + uPropName;
if (typeof style[prefixed] === 'string') {
return _cache[propName] = prefixed;
}
}
return _cache[propName] = 'undefined';
};
CustomStyle.setProp = function set(propName, element, str) {
var prop = this.getProp(propName);
if (prop !== 'undefined') {
element.style[prop] = str;
}
};
return CustomStyle;
}();
var RenderingCancelledException = function RenderingCancelledException() {
function RenderingCancelledException(msg, type) {
this.message = msg;
this.type = type;
}
RenderingCancelledException.prototype = new Error();
RenderingCancelledException.prototype.name = 'RenderingCancelledException';
RenderingCancelledException.constructor = RenderingCancelledException;
return RenderingCancelledException;
}();
var hasCanvasTypedArrays;
hasCanvasTypedArrays = function hasCanvasTypedArrays() {
var canvas = document.createElement('canvas');
canvas.width = canvas.height = 1;
var ctx = canvas.getContext('2d');
var imageData = ctx.createImageData(1, 1);
return typeof imageData.data.buffer !== 'undefined';
};
var LinkTarget = {
NONE: 0,
SELF: 1,
BLANK: 2,
PARENT: 3,
TOP: 4
};
var LinkTargetStringMap = ['', '_self', '_blank', '_parent', '_top'];
function addLinkAttributes(link, params) {
var url = params && params.url;
link.href = link.title = url ? removeNullCharacters(url) : '';
if (url) {
var target = params.target;
if (typeof target === 'undefined') {
target = getDefaultSetting('externalLinkTarget');
}
link.target = LinkTargetStringMap[target];
var rel = params.rel;
if (typeof rel === 'undefined') {
rel = getDefaultSetting('externalLinkRel');
}
link.rel = rel;
}
}
function getFilenameFromUrl(url) {
var anchor = url.indexOf('#');
var query = url.indexOf('?');
var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
return url.substring(url.lastIndexOf('/', end) + 1, end);
}
function getDefaultSetting(id) {
var globalSettings = sharedUtil.globalScope.PDFJS;
switch (id) {
case 'pdfBug':
return globalSettings ? globalSettings.pdfBug : false;
case 'disableAutoFetch':
return globalSettings ? globalSettings.disableAutoFetch : false;
case 'disableStream':
return globalSettings ? globalSettings.disableStream : false;
case 'disableRange':
return globalSettings ? globalSettings.disableRange : false;
case 'disableFontFace':
return globalSettings ? globalSettings.disableFontFace : false;
case 'disableCreateObjectURL':
return globalSettings ? globalSettings.disableCreateObjectURL : false;
case 'disableWebGL':
return globalSettings ? globalSettings.disableWebGL : true;
case 'cMapUrl':
return globalSettings ? globalSettings.cMapUrl : null;
case 'cMapPacked':
return globalSettings ? globalSettings.cMapPacked : false;
case 'postMessageTransfers':
return globalSettings ? globalSettings.postMessageTransfers : true;
case 'workerPort':
return globalSettings ? globalSettings.workerPort : null;
case 'workerSrc':
return globalSettings ? globalSettings.workerSrc : null;
case 'disableWorker':
return globalSettings ? globalSettings.disableWorker : false;
case 'maxImageSize':
return globalSettings ? globalSettings.maxImageSize : -1;
case 'imageResourcesPath':
return globalSettings ? globalSettings.imageResourcesPath : '';
case 'isEvalSupported':
return globalSettings ? globalSettings.isEvalSupported : true;
case 'externalLinkTarget':
if (!globalSettings) {
return LinkTarget.NONE;
}
switch (globalSettings.externalLinkTarget) {
case LinkTarget.NONE:
case LinkTarget.SELF:
case LinkTarget.BLANK:
case LinkTarget.PARENT:
case LinkTarget.TOP:
return globalSettings.externalLinkTarget;
}
warn('PDFJS.externalLinkTarget is invalid: ' + globalSettings.externalLinkTarget);
globalSettings.externalLinkTarget = LinkTarget.NONE;
return LinkTarget.NONE;
case 'externalLinkRel':
return globalSettings ? globalSettings.externalLinkRel : DEFAULT_LINK_REL;
case 'enableStats':
return !!(globalSettings && globalSettings.enableStats);
case 'pdfjsNext':
return !!(globalSettings && globalSettings.pdfjsNext);
default:
throw new Error('Unknown default setting: ' + id);
}
}
function isExternalLinkTargetSet() {
var externalLinkTarget = getDefaultSetting('externalLinkTarget');
switch (externalLinkTarget) {
case LinkTarget.NONE:
return false;
case LinkTarget.SELF:
case LinkTarget.BLANK:
case LinkTarget.PARENT:
case LinkTarget.TOP:
return true;
}
}
function isValidUrl(url, allowRelative) {
deprecated('isValidUrl(), please use createValidAbsoluteUrl() instead.');
var baseUrl = allowRelative ? 'http://example.com' : null;
return createValidAbsoluteUrl(url, baseUrl) !== null;
}
exports.CustomStyle = CustomStyle;
exports.addLinkAttributes = addLinkAttributes;
exports.isExternalLinkTargetSet = isExternalLinkTargetSet;
exports.isValidUrl = isValidUrl;
exports.getFilenameFromUrl = getFilenameFromUrl;
exports.LinkTarget = LinkTarget;
exports.RenderingCancelledException = RenderingCancelledException;
exports.hasCanvasTypedArrays = hasCanvasTypedArrays;
exports.getDefaultSetting = getDefaultSetting;
exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
exports.DOMCanvasFactory = DOMCanvasFactory;
exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
/***/ }),
/* 2 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
var sharedUtil = __w_pdfjs_require__(0);
var displayDOMUtils = __w_pdfjs_require__(1);
var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType;
var AnnotationType = sharedUtil.AnnotationType;
var stringToPDFString = sharedUtil.stringToPDFString;
var Util = sharedUtil.Util;
var addLinkAttributes = displayDOMUtils.addLinkAttributes;
var LinkTarget = displayDOMUtils.LinkTarget;
var getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
var warn = sharedUtil.warn;
var CustomStyle = displayDOMUtils.CustomStyle;
var getDefaultSetting = displayDOMUtils.getDefaultSetting;
function AnnotationElementFactory() {}
AnnotationElementFactory.prototype = {
create: function AnnotationElementFactory_create(parameters) {
var subtype = parameters.data.annotationType;
switch (subtype) {
case AnnotationType.LINK:
return new LinkAnnotationElement(parameters);
case AnnotationType.TEXT:
return new TextAnnotationElement(parameters);
case AnnotationType.WIDGET:
var 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);
}
warn('Unimplemented button widget annotation: pushbutton');
break;
case 'Ch':
return new ChoiceWidgetAnnotationElement(parameters);
}
return new WidgetAnnotationElement(parameters);
case AnnotationType.POPUP:
return new PopupAnnotationElement(parameters);
case AnnotationType.HIGHLIGHT:
return new HighlightAnnotationElement(parameters);
case AnnotationType.UNDERLINE:
return new UnderlineAnnotationElement(parameters);
case AnnotationType.SQUIGGLY:
return new SquigglyAnnotationElement(parameters);
case AnnotationType.STRIKEOUT:
return new StrikeOutAnnotationElement(parameters);
case AnnotationType.FILEATTACHMENT:
return new FileAttachmentAnnotationElement(parameters);
default:
return new AnnotationElement(parameters);
}
}
};
var AnnotationElement = function AnnotationElementClosure() {
function AnnotationElement(parameters, isRenderable) {
this.isRenderable = isRenderable || false;
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;
if (isRenderable) {
this.container = this._createContainer();
}
}
AnnotationElement.prototype = {
_createContainer: function AnnotationElement_createContainer() {
var data = this.data,
page = this.page,
viewport = this.viewport;
var container = document.createElement('section');
var width = data.rect[2] - data.rect[0];
var height = data.rect[3] - data.rect[1];
container.setAttribute('data-annotation-id', data.id);
var rect = Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
CustomStyle.setProp('transform', container, 'matrix(' + viewport.transform.join(',') + ')');
CustomStyle.setProp('transformOrigin', container, -rect[0] + 'px ' + -rect[1] + 'px');
if (data.borderStyle.width > 0) {
container.style.borderWidth = data.borderStyle.width + 'px';
if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) {
width = width - 2 * data.borderStyle.width;
height = height - 2 * data.borderStyle.width;
}
var horizontalRadius = data.borderStyle.horizontalCornerRadius;
var verticalRadius = data.borderStyle.verticalCornerRadius;
if (horizontalRadius > 0 || verticalRadius > 0) {
var radius = horizontalRadius + 'px / ' + verticalRadius + 'px';
CustomStyle.setProp('borderRadius', container, radius);
}
switch (data.borderStyle.style) {
case AnnotationBorderStyleType.SOLID:
container.style.borderStyle = 'solid';
break;
case AnnotationBorderStyleType.DASHED:
container.style.borderStyle = 'dashed';
break;
case AnnotationBorderStyleType.BEVELED:
warn('Unimplemented border style: beveled');
break;
case AnnotationBorderStyleType.INSET:
warn('Unimplemented border style: inset');
break;
case AnnotationBorderStyleType.UNDERLINE:
container.style.borderBottomStyle = 'solid';
break;
default:
break;
}
if (data.color) {
container.style.borderColor = 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: function AnnotationElement_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);
}
var popupElement = new PopupElement({
container: container,
trigger: trigger,
color: data.color,
title: data.title,
contents: data.contents,
hideWrapper: true
});
var popup = popupElement.render();
popup.style.left = container.style.width;
container.appendChild(popup);
},
render: function AnnotationElement_render() {
throw new Error('Abstract method AnnotationElement.render called');
}
};
return AnnotationElement;
}();
var LinkAnnotationElement = function LinkAnnotationElementClosure() {
function LinkAnnotationElement(parameters) {
AnnotationElement.call(this, parameters, true);
}
Util.inherit(LinkAnnotationElement, AnnotationElement, {
render: function LinkAnnotationElement_render() {
this.container.className = 'linkAnnotation';
var link = document.createElement('a');
addLinkAttributes(link, {
url: this.data.url,
target: this.data.newWindow ? LinkTarget.BLANK : undefined
});
if (!this.data.url) {
if (this.data.action) {
this._bindNamedAction(link, this.data.action);
} else {
this._bindLink(link, this.data.dest);
}
}
this.container.appendChild(link);
return this.container;
},
_bindLink: function LinkAnnotationElement_bindLink(link, destination) {
var self = this;
link.href = this.linkService.getDestinationHash(destination);
link.onclick = function () {
if (destination) {
self.linkService.navigateTo(destination);
}
return false;
};
if (destination) {
link.className = 'internalLink';
}
},
_bindNamedAction: function LinkAnnotationElement_bindNamedAction(link, action) {
var self = this;
link.href = this.linkService.getAnchorUrl('');
link.onclick = function () {
self.linkService.executeNamedAction(action);
return false;
};
link.className = 'internalLink';
}
});
return LinkAnnotationElement;
}();
var TextAnnotationElement = function TextAnnotationElementClosure() {
function TextAnnotationElement(parameters) {
var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
AnnotationElement.call(this, parameters, isRenderable);
}
Util.inherit(TextAnnotationElement, AnnotationElement, {
render: function TextAnnotationElement_render() {
this.container.className = 'textAnnotation';
var 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;
}
});
return TextAnnotationElement;
}();
var WidgetAnnotationElement = function WidgetAnnotationElementClosure() {
function WidgetAnnotationElement(parameters, isRenderable) {
AnnotationElement.call(this, parameters, isRenderable);
}
Util.inherit(WidgetAnnotationElement, AnnotationElement, {
render: function WidgetAnnotationElement_render() {
return this.container;
}
});
return WidgetAnnotationElement;
}();
var TextWidgetAnnotationElement = function TextWidgetAnnotationElementClosure() {
var TEXT_ALIGNMENT = ['left', 'center', 'right'];
function TextWidgetAnnotationElement(parameters) {
var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
WidgetAnnotationElement.call(this, parameters, isRenderable);
}
Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, {
render: function TextWidgetAnnotationElement_render() {
this.container.className = 'textWidgetAnnotation';
var element = null;
if (this.renderInteractiveForms) {
if (this.data.multiLine) {
element = document.createElement('textarea');
element.textContent = this.data.fieldValue;
} else {
element = document.createElement('input');
element.type = 'text';
element.setAttribute('value', this.data.fieldValue);
}
element.disabled = this.data.readOnly;
if (this.data.maxLen !== null) {
element.maxLength = this.data.maxLen;
}
if (this.data.comb) {
var fieldWidth = this.data.rect[2] - this.data.rect[0];
var 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';
var font = null;
if (this.data.fontRefName) {
font = this.page.commonObjs.getData(this.data.fontRefName);
}
this._setTextStyle(element, font);
}
if (this.data.textAlignment !== null) {
element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
}
this.container.appendChild(element);
return this.container;
},
_setTextStyle: function TextWidgetAnnotationElement_setTextStyle(element, font) {
var style = element.style;
style.fontSize = this.data.fontSize + 'px';
style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr';
if (!font) {
return;
}
style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal';
style.fontStyle = font.italic ? 'italic' : 'normal';
var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : '';
var fallbackName = font.fallbackName || 'Helvetica, sans-serif';
style.fontFamily = fontFamily + fallbackName;
}
});
return TextWidgetAnnotationElement;
}();
var CheckboxWidgetAnnotationElement = function CheckboxWidgetAnnotationElementClosure() {
function CheckboxWidgetAnnotationElement(parameters) {
WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
}
Util.inherit(CheckboxWidgetAnnotationElement, WidgetAnnotationElement, {
render: function CheckboxWidgetAnnotationElement_render() {
this.container.className = 'buttonWidgetAnnotation checkBox';
var element = document.createElement('input');
element.disabled = this.data.readOnly;
element.type = 'checkbox';
if (this.data.fieldValue && this.data.fieldValue !== 'Off') {
element.setAttribute('checked', true);
}
this.container.appendChild(element);
return this.container;
}
});
return CheckboxWidgetAnnotationElement;
}();
var RadioButtonWidgetAnnotationElement = function RadioButtonWidgetAnnotationElementClosure() {
function RadioButtonWidgetAnnotationElement(parameters) {
WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
}
Util.inherit(RadioButtonWidgetAnnotationElement, WidgetAnnotationElement, {
render: function RadioButtonWidgetAnnotationElement_render() {
this.container.className = 'buttonWidgetAnnotation radioButton';
var element = document.createElement('input');
element.disabled = this.data.readOnly;
element.type = 'radio';
element.name = this.data.fieldName;
if (this.data.fieldValue === this.data.buttonValue) {
element.setAttribute('checked', true);
}
this.container.appendChild(element);
return this.container;
}
});
return RadioButtonWidgetAnnotationElement;
}();
var ChoiceWidgetAnnotationElement = function ChoiceWidgetAnnotationElementClosure() {
function ChoiceWidgetAnnotationElement(parameters) {
WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
}
Util.inherit(ChoiceWidgetAnnotationElement, WidgetAnnotationElement, {
render: function ChoiceWidgetAnnotationElement_render() {
this.container.className = 'choiceWidgetAnnotation';
var selectElement = document.createElement('select');
selectElement.disabled = this.data.readOnly;
if (!this.data.combo) {
selectElement.size = this.data.options.length;
if (this.data.multiSelect) {
selectElement.multiple = true;
}
}
for (var i = 0, ii = this.data.options.length; i < ii; i++) {
var option = this.data.options[i];
var optionElement = document.createElement('option');
optionElement.textContent = option.displayValue;
optionElement.value = option.exportValue;
if (this.data.fieldValue.indexOf(option.displayValue) >= 0) {
optionElement.setAttribute('selected', true);
}
selectElement.appendChild(optionElement);
}
this.container.appendChild(selectElement);
return this.container;
}
});
return ChoiceWidgetAnnotationElement;
}();
var PopupAnnotationElement = function PopupAnnotationElementClosure() {
function PopupAnnotationElement(parameters) {
var isRenderable = !!(parameters.data.title || parameters.data.contents);
AnnotationElement.call(this, parameters, isRenderable);
}
Util.inherit(PopupAnnotationElement, AnnotationElement, {
render: function PopupAnnotationElement_render() {
this.container.className = 'popupAnnotation';
var selector = '[data-annotation-id="' + this.data.parentId + '"]';
var parentElement = this.layer.querySelector(selector);
if (!parentElement) {
return this.container;
}
var popup = new PopupElement({
container: this.container,
trigger: parentElement,
color: this.data.color,
title: this.data.title,
contents: this.data.contents
});
var parentLeft = parseFloat(parentElement.style.left);
var parentWidth = parseFloat(parentElement.style.width);
CustomStyle.setProp('transformOrigin', this.container, -(parentLeft + parentWidth) + 'px -' + parentElement.style.top);
this.container.style.left = parentLeft + parentWidth + 'px';
this.container.appendChild(popup.render());
return this.container;
}
});
return PopupAnnotationElement;
}();
var PopupElement = function PopupElementClosure() {
var BACKGROUND_ENLIGHT = 0.7;
function PopupElement(parameters) {
this.container = parameters.container;
this.trigger = parameters.trigger;
this.color = parameters.color;
this.title = parameters.title;
this.contents = parameters.contents;
this.hideWrapper = parameters.hideWrapper || false;
this.pinned = false;
}
PopupElement.prototype = {
render: function PopupElement_render() {
var wrapper = document.createElement('div');
wrapper.className = 'popupWrapper';
this.hideElement = this.hideWrapper ? wrapper : this.container;
this.hideElement.setAttribute('hidden', true);
var popup = document.createElement('div');
popup.className = 'popup';
var color = this.color;
if (color) {
var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0);
}
var contents = this._formatContents(this.contents);
var title = document.createElement('h1');
title.textContent = this.title;
this.trigger.addEventListener('click', this._toggle.bind(this));
this.trigger.addEventListener('mouseover', this._show.bind(this, false));
this.trigger.addEventListener('mouseout', this._hide.bind(this, false));
popup.addEventListener('click', this._hide.bind(this, true));
popup.appendChild(title);
popup.appendChild(contents);
wrapper.appendChild(popup);
return wrapper;
},
_formatContents: function PopupElement_formatContents(contents) {
var p = document.createElement('p');
var lines = contents.split(/(?:\r\n?|\n)/);
for (var i = 0, ii = lines.length; i < ii; ++i) {
var line = lines[i];
p.appendChild(document.createTextNode(line));
if (i < ii - 1) {
p.appendChild(document.createElement('br'));
}
}
return p;
},
_toggle: function PopupElement_toggle() {
if (this.pinned) {
this._hide(true);
} else {
this._show(true);
}
},
_show: function PopupElement_show(pin) {
if (pin) {
this.pinned = true;
}
if (this.hideElement.hasAttribute('hidden')) {
this.hideElement.removeAttribute('hidden');
this.container.style.zIndex += 1;
}
},
_hide: function PopupElement_hide(unpin) {
if (unpin) {
this.pinned = false;
}
if (!this.hideElement.hasAttribute('hidden') && !this.pinned) {
this.hideElement.setAttribute('hidden', true);
this.container.style.zIndex -= 1;
}
}
};
return PopupElement;
}();
var HighlightAnnotationElement = function HighlightAnnotationElementClosure() {
function HighlightAnnotationElement(parameters) {
var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
AnnotationElement.call(this, parameters, isRenderable);
}
Util.inherit(HighlightAnnotationElement, AnnotationElement, {
render: function HighlightAnnotationElement_render() {
this.container.className = 'highlightAnnotation';
if (!this.data.hasPopup) {
this._createPopup(this.container, null, this.data);
}
return this.container;
}
});
return HighlightAnnotationElement;
}();
var UnderlineAnnotationElement = function UnderlineAnnotationElementClosure() {
function UnderlineAnnotationElement(parameters) {
var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
AnnotationElement.call(this, parameters, isRenderable);
}
Util.inherit(UnderlineAnnotationElement, AnnotationElement, {
render: function UnderlineAnnotationElement_render() {
this.container.className = 'underlineAnnotation';
if (!this.data.hasPopup) {
this._createPopup(this.container, null, this.data);
}
return this.container;
}
});
return UnderlineAnnotationElement;
}();
var SquigglyAnnotationElement = function SquigglyAnnotationElementClosure() {
function SquigglyAnnotationElement(parameters) {
var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
AnnotationElement.call(this, parameters, isRenderable);
}
Util.inherit(SquigglyAnnotationElement, AnnotationElement, {
render: function SquigglyAnnotationElement_render() {
this.container.className = 'squigglyAnnotation';
if (!this.data.hasPopup) {
this._createPopup(this.container, null, this.data);
}
return this.container;
}
});
return SquigglyAnnotationElement;
}();
var StrikeOutAnnotationElement = function StrikeOutAnnotationElementClosure() {
function StrikeOutAnnotationElement(parameters) {
var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
AnnotationElement.call(this, parameters, isRenderable);
}
Util.inherit(StrikeOutAnnotationElement, AnnotationElement, {
render: function StrikeOutAnnotationElement_render() {
this.container.className = 'strikeoutAnnotation';
if (!this.data.hasPopup) {
this._createPopup(this.container, null, this.data);
}
return this.container;
}
});
return StrikeOutAnnotationElement;
}();
var FileAttachmentAnnotationElement = function FileAttachmentAnnotationElementClosure() {
function FileAttachmentAnnotationElement(parameters) {
AnnotationElement.call(this, parameters, true);
var file = this.data.file;
this.filename = getFilenameFromUrl(file.filename);
this.content = file.content;
this.linkService.onFileAttachmentAnnotation({
id: stringToPDFString(file.filename),
filename: file.filename,
content: file.content
});
}
Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, {
render: function FileAttachmentAnnotationElement_render() {
this.container.className = 'fileAttachmentAnnotation';
var 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: function FileAttachmentAnnotationElement_download() {
if (!this.downloadManager) {
warn('Download cannot be started due to unavailable download manager');
return;
}
this.downloadManager.downloadData(this.content, this.filename, '');
}
});
return FileAttachmentAnnotationElement;
}();
var AnnotationLayer = function AnnotationLayerClosure() {
return {
render: function AnnotationLayer_render(parameters) {
var annotationElementFactory = new AnnotationElementFactory();
for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
var data = parameters.annotations[i];
if (!data) {
continue;
}
var element = annotationElementFactory.create({
data: data,
layer: parameters.div,
page: parameters.page,
viewport: parameters.viewport,
linkService: parameters.linkService,
downloadManager: parameters.downloadManager,
imageResourcesPath: parameters.imageResourcesPath || getDefaultSetting('imageResourcesPath'),
renderInteractiveForms: parameters.renderInteractiveForms || false
});
if (element.isRenderable) {
parameters.div.appendChild(element.render());
}
}
},
update: function AnnotationLayer_update(parameters) {
for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
var data = parameters.annotations[i];
var element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]');
if (element) {
CustomStyle.setProp('transform', element, 'matrix(' + parameters.viewport.transform.join(',') + ')');
}
}
parameters.div.removeAttribute('hidden');
}
};
}();
exports.AnnotationLayer = AnnotationLayer;
/***/ }),
/* 3 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
var sharedUtil = __w_pdfjs_require__(0);
var displayFontLoader = __w_pdfjs_require__(11);
var displayCanvas = __w_pdfjs_require__(10);
var displayMetadata = __w_pdfjs_require__(7);
var displayDOMUtils = __w_pdfjs_require__(1);
var amdRequire;
var InvalidPDFException = sharedUtil.InvalidPDFException;
var MessageHandler = sharedUtil.MessageHandler;
var MissingPDFException = sharedUtil.MissingPDFException;
var PageViewport = sharedUtil.PageViewport;
var PasswordException = sharedUtil.PasswordException;
var StatTimer = sharedUtil.StatTimer;
var UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
var UnknownErrorException = sharedUtil.UnknownErrorException;
var Util = sharedUtil.Util;
var createPromiseCapability = sharedUtil.createPromiseCapability;
var error = sharedUtil.error;
var deprecated = sharedUtil.deprecated;
var getVerbosityLevel = sharedUtil.getVerbosityLevel;
var info = sharedUtil.info;
var isInt = sharedUtil.isInt;
var isArray = sharedUtil.isArray;
var isArrayBuffer = sharedUtil.isArrayBuffer;
var isSameOrigin = sharedUtil.isSameOrigin;
var loadJpegStream = sharedUtil.loadJpegStream;
var stringToBytes = sharedUtil.stringToBytes;
var globalScope = sharedUtil.globalScope;
var warn = sharedUtil.warn;
var FontFaceObject = displayFontLoader.FontFaceObject;
var FontLoader = displayFontLoader.FontLoader;
var CanvasGraphics = displayCanvas.CanvasGraphics;
var Metadata = displayMetadata.Metadata;
var RenderingCancelledException = displayDOMUtils.RenderingCancelledException;
var getDefaultSetting = displayDOMUtils.getDefaultSetting;
var DOMCanvasFactory = displayDOMUtils.DOMCanvasFactory;
var DOMCMapReaderFactory = displayDOMUtils.DOMCMapReaderFactory;
var DEFAULT_RANGE_CHUNK_SIZE = 65536;
var isWorkerDisabled = false;
var workerSrc;
var isPostMessageTransfersDisabled = false;
var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null;
var fakeWorkerFilesLoader = null;
var useRequireEnsure = false;
if (typeof __pdfjsdev_webpack__ === 'undefined') {
if (typeof window === 'undefined') {
isWorkerDisabled = true;
if (false) {
require.ensure = require('node-ensure');
}
useRequireEnsure = true;
} else if (true) {
useRequireEnsure = true;
}
if (typeof requirejs !== 'undefined' && requirejs.toUrl) {
workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');
}
var dynamicLoaderSupported = typeof requirejs !== 'undefined' && requirejs.load;
fakeWorkerFilesLoader = useRequireEnsure ? function (callback) {
__webpack_require__.e/* require.ensure */(0).then((function () {
var worker = __webpack_require__(1);
callback(worker.WorkerMessageHandler);
}).bind(null, __webpack_require__)).catch(__webpack_require__.oe);
} : dynamicLoaderSupported ? function (callback) {
requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) {
callback(worker.WorkerMessageHandler);
});
} : null;
}
function getDocument(src, pdfDataRangeTransport, passwordCallback, progressCallback) {
var task = new PDFDocumentLoadingTask();
if (arguments.length > 1) {
deprecated('getDocument is called with pdfDataRangeTransport, ' + 'passwordCallback or progressCallback argument');
}
if (pdfDataRangeTransport) {
if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) {
pdfDataRangeTransport = Object.create(pdfDataRangeTransport);
pdfDataRangeTransport.length = src.length;
pdfDataRangeTransport.initialData = src.initialData;
if (!pdfDataRangeTransport.abort) {
pdfDataRangeTransport.abort = function () {};
}
}
src = Object.create(src);
src.range = pdfDataRangeTransport;
}
task.onPassword = passwordCallback || null;
task.onProgress = progressCallback || null;
var source;
if (typeof src === 'string') {
source = { url: src };
} else if (isArrayBuffer(src)) {
source = { data: src };
} else if (src instanceof PDFDataRangeTransport) {
source = { range: src };
} else {
if (typeof src !== 'object') {
error('Invalid parameter in getDocument, need either Uint8Array, ' + 'string or a parameter object');
}
if (!src.url && !src.data && !src.range) {
error('Invalid parameter object: need either .data, .range or .url');
}
source = src;
}
var params = {};
var rangeTransport = null;
var worker = null;
for (var 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)) {
var pdfBytes = source[key];
if (typeof pdfBytes === 'string') {
params[key] = stringToBytes(pdfBytes);
} else if (typeof pdfBytes === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) {
params[key] = new Uint8Array(pdfBytes);
} else if (isArrayBuffer(pdfBytes)) {
params[key] = new Uint8Array(pdfBytes);
} else {
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.disableNativeImageDecoder = params.disableNativeImageDecoder === true;
var CMapReaderFactory = params.CMapReaderFactory || DOMCMapReaderFactory;
if (!worker) {
var workerPort = getDefaultSetting('workerPort');
worker = workerPort ? new PDFWorker(null, workerPort) : new PDFWorker();
task._worker = worker;
}
var docId = task.docId;
worker.promise.then(function () {
if (task.destroyed) {
throw new Error('Loading aborted');
}
return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) {
if (task.destroyed) {
throw new Error('Loading aborted');
}
var messageHandler = new MessageHandler(docId, workerId, worker.port);
var transport = new WorkerTransport(messageHandler, task, rangeTransport, CMapReaderFactory);
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'));
}
source.disableAutoFetch = getDefaultSetting('disableAutoFetch');
source.disableStream = getDefaultSetting('disableStream');
source.chunkedViewerLoading = !!pdfDataRangeTransport;
if (pdfDataRangeTransport) {
source.length = pdfDataRangeTransport.length;
source.initialData = pdfDataRangeTransport.initialData;
}
return worker.messageHandler.sendWithPromise('GetDocRequest', {
docId: docId,
source: source,
disableRange: getDefaultSetting('disableRange'),
maxImageSize: getDefaultSetting('maxImageSize'),
disableFontFace: getDefaultSetting('disableFontFace'),
disableCreateObjectURL: getDefaultSetting('disableCreateObjectURL'),
postMessageTransfers: getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled,
docBaseUrl: source.docBaseUrl,
disableNativeImageDecoder: source.disableNativeImageDecoder
}).then(function (workerId) {
if (worker.destroyed) {
throw new Error('Worker was destroyed');
}
return workerId;
});
}
var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
var nextDocumentId = 0;
function PDFDocumentLoadingTask() {
this._capability = createPromiseCapability();
this._transport = null;
this._worker = null;
this.docId = 'd' + nextDocumentId++;
this.destroyed = false;
this.onPassword = null;
this.onProgress = null;
this.onUnsupportedFeature = null;
}
PDFDocumentLoadingTask.prototype = {
get promise() {
return this._capability.promise;
},
destroy: function () {
this.destroyed = true;
var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
return transportDestroyed.then(function () {
this._transport = null;
if (this._worker) {
this._worker.destroy();
this._worker = null;
}
}.bind(this));
},
then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {
return this.promise.then.apply(this.promise, arguments);
}
};
return PDFDocumentLoadingTask;
}();
var PDFDataRangeTransport = function pdfDataRangeTransportClosure() {
function PDFDataRangeTransport(length, initialData) {
this.length = length;
this.initialData = initialData;
this._rangeListeners = [];
this._progressListeners = [];
this._progressiveReadListeners = [];
this._readyCapability = createPromiseCapability();
}
PDFDataRangeTransport.prototype = {
addRangeListener: function PDFDataRangeTransport_addRangeListener(listener) {
this._rangeListeners.push(listener);
},
addProgressListener: function PDFDataRangeTransport_addProgressListener(listener) {
this._progressListeners.push(listener);
},
addProgressiveReadListener: function PDFDataRangeTransport_addProgressiveReadListener(listener) {
this._progressiveReadListeners.push(listener);
},
onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) {
var listeners = this._rangeListeners;
for (var i = 0, n = listeners.length; i < n; ++i) {
listeners[i](begin, chunk);
}
},
onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) {
this._readyCapability.promise.then(function () {
var listeners = this._progressListeners;
for (var i = 0, n = listeners.length; i < n; ++i) {
listeners[i](loaded);
}
}.bind(this));
},
onDataProgressiveRead: function PDFDataRangeTransport_onDataProgress(chunk) {
this._readyCapability.promise.then(function () {
var listeners = this._progressiveReadListeners;
for (var i = 0, n = listeners.length; i < n; ++i) {
listeners[i](chunk);
}
}.bind(this));
},
transportReady: function PDFDataRangeTransport_transportReady() {
this._readyCapability.resolve();
},
requestDataRange: function PDFDataRangeTransport_requestDataRange(begin, end) {
throw new Error('Abstract method PDFDataRangeTransport.requestDataRange');
},
abort: function PDFDataRangeTransport_abort() {}
};
return PDFDataRangeTransport;
}();
var PDFDocumentProxy = function PDFDocumentProxyClosure() {
function PDFDocumentProxy(pdfInfo, transport, loadingTask) {
this.pdfInfo = pdfInfo;
this.transport = transport;
this.loadingTask = loadingTask;
}
PDFDocumentProxy.prototype = {
get numPages() {
return this.pdfInfo.numPages;
},
get fingerprint() {
return this.pdfInfo.fingerprint;
},
getPage: function PDFDocumentProxy_getPage(pageNumber) {
return this.transport.getPage(pageNumber);
},
getPageIndex: function PDFDocumentProxy_getPageIndex(ref) {
return this.transport.getPageIndex(ref);
},
getDestinations: function PDFDocumentProxy_getDestinations() {
return this.transport.getDestinations();
},
getDestination: function PDFDocumentProxy_getDestination(id) {
return this.transport.getDestination(id);
},
getPageLabels: function PDFDocumentProxy_getPageLabels() {
return this.transport.getPageLabels();
},
getAttachments: function PDFDocumentProxy_getAttachments() {
return this.transport.getAttachments();
},
getJavaScript: function PDFDocumentProxy_getJavaScript() {
return this.transport.getJavaScript();
},
getOutline: function PDFDocumentProxy_getOutline() {
return this.transport.getOutline();
},
getMetadata: function PDFDocumentProxy_getMetadata() {
return this.transport.getMetadata();
},
getData: function PDFDocumentProxy_getData() {
return this.transport.getData();
},
getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() {
return this.transport.downloadInfoCapability.promise;
},
getStats: function PDFDocumentProxy_getStats() {
return this.transport.getStats();
},
cleanup: function PDFDocumentProxy_cleanup() {
this.transport.startCleanup();
},
destroy: function PDFDocumentProxy_destroy() {
return this.loadingTask.destroy();
}
};
return PDFDocumentProxy;
}();
var PDFPageProxy = function PDFPageProxyClosure() {
function PDFPageProxy(pageIndex, pageInfo, transport) {
this.pageIndex = pageIndex;
this.pageInfo = pageInfo;
this.transport = transport;
this.stats = new StatTimer();
this.stats.enabled = getDefaultSetting('enableStats');
this.commonObjs = transport.commonObjs;
this.objs = new PDFObjects();
this.cleanupAfterRender = false;
this.pendingCleanup = false;
this.intentStates = Object.create(null);
this.destroyed = false;
}
PDFPageProxy.prototype = {
get pageNumber() {
return this.pageIndex + 1;
},
get rotate() {
return this.pageInfo.rotate;
},
get ref() {
return this.pageInfo.ref;
},
get userUnit() {
return this.pageInfo.userUnit;
},
get view() {
return this.pageInfo.view;
},
getViewport: function PDFPageProxy_getViewport(scale, rotate) {
if (arguments.length < 2) {
rotate = this.rotate;
}
return new PageViewport(this.view, scale, rotate, 0, 0);
},
getAnnotations: function PDFPageProxy_getAnnotations(params) {
var intent = params && params.intent || null;
if (!this.annotationsPromise || this.annotationsIntent !== intent) {
this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, intent);
this.annotationsIntent = intent;
}
return this.annotationsPromise;
},
render: function PDFPageProxy_render(params) {
var stats = this.stats;
stats.time('Overall');
this.pendingCleanup = false;
var renderingIntent = params.intent === 'print' ? 'print' : 'display';
var renderInteractiveForms = params.renderInteractiveForms === true ? true : false;
var canvasFactory = params.canvasFactory || new DOMCanvasFactory();
if (!this.intentStates[renderingIntent]) {
this.intentStates[renderingIntent] = Object.create(null);
}
var intentState = this.intentStates[renderingIntent];
if (!intentState.displayReadyCapability) {
intentState.receivingOperatorList = true;
intentState.displayReadyCapability = createPromiseCapability();
intentState.operatorList = {
fnArray: [],
argsArray: [],
lastChunk: false
};
this.stats.time('Page Request');
this.transport.messageHandler.send('RenderPageRequest', {
pageIndex: this.pageNumber - 1,
intent: renderingIntent,
renderInteractiveForms: renderInteractiveForms
});
}
var internalRenderTask = new InternalRenderTask(complete, params, this.objs, this.commonObjs, intentState.operatorList, this.pageNumber, canvasFactory);
internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print';
if (!intentState.renderTasks) {
intentState.renderTasks = [];
}
intentState.renderTasks.push(internalRenderTask);
var renderTask = internalRenderTask.task;
if (params.continueCallback) {
deprecated('render is used with continueCallback parameter');
renderTask.onContinue = params.continueCallback;
}
var self = this;
intentState.displayReadyCapability.promise.then(function pageDisplayReadyPromise(transparency) {
if (self.pendingCleanup) {
complete();
return;
}
stats.time('Rendering');
internalRenderTask.initializeGraphics(transparency);
internalRenderTask.operatorListChanged();
}, function pageDisplayReadPromiseError(reason) {
complete(reason);
});
function complete(error) {
var i = intentState.renderTasks.indexOf(internalRenderTask);
if (i >= 0) {
intentState.renderTasks.splice(i, 1);
}
if (self.cleanupAfterRender) {
self.pendingCleanup = true;
}
self._tryCleanup();
if (error) {
internalRenderTask.capability.reject(error);
} else {
internalRenderTask.capability.resolve();
}
stats.timeEnd('Rendering');
stats.timeEnd('Overall');
}
return renderTask;
},
getOperatorList: function PDFPageProxy_getOperatorList() {
function operatorListChanged() {
if (intentState.operatorList.lastChunk) {
intentState.opListReadCapability.resolve(intentState.operatorList);
var i = intentState.renderTasks.indexOf(opListTask);
if (i >= 0) {
intentState.renderTasks.splice(i, 1);
}
}
}
var renderingIntent = 'oplist';
if (!this.intentStates[renderingIntent]) {
this.intentStates[renderingIntent] = Object.create(null);
}
var intentState = this.intentStates[renderingIntent];
var opListTask;
if (!intentState.opListReadCapability) {
opListTask = {};
opListTask.operatorListChanged = operatorListChanged;
intentState.receivingOperatorList = true;
intentState.opListReadCapability = createPromiseCapability();
intentState.renderTasks = [];
intentState.renderTasks.push(opListTask);
intentState.operatorList = {
fnArray: [],
argsArray: [],
lastChunk: false
};
this.transport.messageHandler.send('RenderPageRequest', {
pageIndex: this.pageIndex,
intent: renderingIntent
});
}
return intentState.opListReadCapability.promise;
},
getTextContent: function PDFPageProxy_getTextContent(params) {
return this.transport.messageHandler.sendWithPromise('GetTextContent', {
pageIndex: this.pageNumber - 1,
normalizeWhitespace: params && params.normalizeWhitespace === true ? true : false,
combineTextItems: params && params.disableCombineTextItems === true ? false : true
});
},
_destroy: function PDFPageProxy_destroy() {
this.destroyed = true;
this.transport.pageCache[this.pageIndex] = null;
var waitOn = [];
Object.keys(this.intentStates).forEach(function (intent) {
if (intent === 'oplist') {
return;
}
var intentState = this.intentStates[intent];
intentState.renderTasks.forEach(function (renderTask) {
var renderCompleted = renderTask.capability.promise.catch(function () {});
waitOn.push(renderCompleted);
renderTask.cancel();
});
}, this);
this.objs.clear();
this.annotationsPromise = null;
this.pendingCleanup = false;
return Promise.all(waitOn);
},
destroy: function () {
deprecated('page destroy method, use cleanup() instead');
this.cleanup();
},
cleanup: function PDFPageProxy_cleanup() {
this.pendingCleanup = true;
this._tryCleanup();
},
_tryCleanup: function PDFPageProxy_tryCleanup() {
if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) {
var intentState = this.intentStates[intent];
return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList;
}, this)) {
return;
}
Object.keys(this.intentStates).forEach(function (intent) {
delete this.intentStates[intent];
}, this);
this.objs.clear();
this.annotationsPromise = null;
this.pendingCleanup = false;
},
_startRenderPage: function PDFPageProxy_startRenderPage(transparency, intent) {
var intentState = this.intentStates[intent];
if (intentState.displayReadyCapability) {
intentState.displayReadyCapability.resolve(transparency);
}
},
_renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, intent) {
var intentState = this.intentStates[intent];
var i, ii;
for (i = 0, ii = operatorListChunk.length; i < ii; i++) {
intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
}
intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
for (i = 0; i < intentState.renderTasks.length; i++) {
intentState.renderTasks[i].operatorListChanged();
}
if (operatorListChunk.lastChunk) {
intentState.receivingOperatorList = false;
this._tryCleanup();
}
}
};
return PDFPageProxy;
}();
var PDFWorker = function PDFWorkerClosure() {
var nextFakeWorkerId = 0;
function getWorkerSrc() {
if (typeof workerSrc !== 'undefined') {
return workerSrc;
}
if (getDefaultSetting('workerSrc')) {
return getDefaultSetting('workerSrc');
}
if (pdfjsFilePath) {
return pdfjsFilePath.replace(/\.js$/i, '.worker.js');
}
error('No PDFJS.workerSrc specified');
}
var fakeWorkerFilesLoadedCapability;
function setupFakeWorkerGlobal() {
var WorkerMessageHandler;
if (fakeWorkerFilesLoadedCapability) {
return fakeWorkerFilesLoadedCapability.promise;
}
fakeWorkerFilesLoadedCapability = createPromiseCapability();
var loader = fakeWorkerFilesLoader || function (callback) {
Util.loadScript(getWorkerSrc(), function () {
callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler);
});
};
loader(fakeWorkerFilesLoadedCapability.resolve);
return fakeWorkerFilesLoadedCapability.promise;
}
function FakeWorkerPort(defer) {
this._listeners = [];
this._defer = defer;
this._deferred = Promise.resolve(undefined);
}
FakeWorkerPort.prototype = {
postMessage: function (obj, transfers) {
function cloneValue(value) {
if (typeof value !== 'object' || value === null) {
return value;
}
if (cloned.has(value)) {
return cloned.get(value);
}
var result;
var buffer;
if ((buffer = value.buffer) && isArrayBuffer(buffer)) {
var transferable = transfers && transfers.indexOf(buffer) >= 0;
if (value === buffer) {
result = value;
} else if (transferable) {
result = new value.constructor(buffer, value.byteOffset, value.byteLength);
} else {
result = new value.constructor(value);
}
cloned.set(value, result);
return result;
}
result = isArray(value) ? [] : {};
cloned.set(value, result);
for (var i in value) {
var desc,
p = value;
while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
p = Object.getPrototypeOf(p);
}
if (typeof desc.value === 'undefined' || typeof desc.value === 'function') {
continue;
}
result[i] = cloneValue(desc.value);
}
return result;
}
if (!this._defer) {
this._listeners.forEach(function (listener) {
listener.call(this, { data: obj });
}, this);
return;
}
var cloned = new WeakMap();
var e = { data: cloneValue(obj) };
this._deferred.then(function () {
this._listeners.forEach(function (listener) {
listener.call(this, e);
}, this);
}.bind(this));
},
addEventListener: function (name, listener) {
this._listeners.push(listener);
},
removeEventListener: function (name, listener) {
var i = this._listeners.indexOf(listener);
this._listeners.splice(i, 1);
},
terminate: function () {
this._listeners = [];
}
};
function createCDNWrapper(url) {
var wrapper = 'importScripts(\'' + url + '\');';
return URL.createObjectURL(new Blob([wrapper]));
}
function PDFWorker(name, port) {
this.name = name;
this.destroyed = false;
this._readyCapability = createPromiseCapability();
this._port = null;
this._webWorker = null;
this._messageHandler = null;
if (port) {
this._initializeFromPort(port);
return;
}
this._initialize();
}
PDFWorker.prototype = {
get promise() {
return this._readyCapability.promise;
},
get port() {
return this._port;
},
get messageHandler() {
return this._messageHandler;
},
_initializeFromPort: function PDFWorker_initializeFromPort(port) {
this._port = port;
this._messageHandler = new MessageHandler('main', 'worker', port);
this._messageHandler.on('ready', function () {});
this._readyCapability.resolve();
},
_initialize: function PDFWorker_initialize() {
if (!isWorkerDisabled && !getDefaultSetting('disableWorker') && typeof Worker !== 'undefined') {
var workerSrc = getWorkerSrc();
try {
if (!isSameOrigin(window.location.href, workerSrc)) {
workerSrc = createCDNWrapper(new URL(workerSrc, window.location).href);
}
var worker = new Worker(workerSrc);
var messageHandler = new MessageHandler('main', 'worker', worker);
var terminateEarly = function () {
worker.removeEventListener('error', onWorkerError);
messageHandler.destroy();
worker.terminate();
if (this.destroyed) {
this._readyCapability.reject(new Error('Worker was destroyed'));
} else {
this._setupFakeWorker();
}
}.bind(this);
var onWorkerError = function (event) {
if (!this._webWorker) {
terminateEarly();
}
}.bind(this);
worker.addEventListener('error', onWorkerError);
messageHandler.on('test', function PDFWorker_test(data) {
worker.removeEventListener('error', onWorkerError);
if (this.destroyed) {
terminateEarly();
return;
}
var supportTypedArray = data && data.supportTypedArray;
if (supportTypedArray) {
this._messageHandler = messageHandler;
this._port = worker;
this._webWorker = worker;
if (!data.supportTransfers) {
isPostMessageTransfersDisabled = true;
}
this._readyCapability.resolve();
messageHandler.send('configure', { verbosity: getVerbosityLevel() });
} else {
this._setupFakeWorker();
messageHandler.destroy();
worker.terminate();
}
}.bind(this));
messageHandler.on('console_log', function (data) {
console.log.apply(console, data);
});
messageHandler.on('console_error', function (data) {
console.error.apply(console, data);
});
messageHandler.on('ready', function (data) {
worker.removeEventListener('error', onWorkerError);
if (this.destroyed) {
terminateEarly();
return;
}
try {
sendTest();
} catch (e) {
this._setupFakeWorker();
}
}.bind(this));
var sendTest = function () {
var postMessageTransfers = getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled;
var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]);
try {
messageHandler.send('test', testObj, [testObj.buffer]);
} catch (ex) {
info('Cannot use postMessage transfers');
testObj[0] = 0;
messageHandler.send('test', testObj);
}
};
sendTest();
return;
} catch (e) {
info('The worker has been disabled.');
}
}
this._setupFakeWorker();
},
_setupFakeWorker: function PDFWorker_setupFakeWorker() {
if (!isWorkerDisabled && !getDefaultSetting('disableWorker')) {
warn('Setting up fake worker.');
isWorkerDisabled = true;
}
setupFakeWorkerGlobal().then(function (WorkerMessageHandler) {
if (this.destroyed) {
this._readyCapability.reject(new Error('Worker was destroyed'));
return;
}
var isTypedArraysPresent = Uint8Array !== Float32Array;
var port = new FakeWorkerPort(isTypedArraysPresent);
this._port = port;
var id = 'fake' + nextFakeWorkerId++;
var workerHandler = new MessageHandler(id + '_worker', id, port);
WorkerMessageHandler.setup(workerHandler, port);
var messageHandler = new MessageHandler(id, id + '_worker', port);
this._messageHandler = messageHandler;
this._readyCapability.resolve();
}.bind(this));
},
destroy: function PDFWorker_destroy() {
this.destroyed = true;
if (this._webWorker) {
this._webWorker.terminate();
this._webWorker = null;
}
this._port = null;
if (this._messageHandler) {
this._messageHandler.destroy();
this._messageHandler = null;
}
}
};
return PDFWorker;
}();
var WorkerTransport = function WorkerTransportClosure() {
function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport, CMapReaderFactory) {
this.messageHandler = messageHandler;
this.loadingTask = loadingTask;
this.pdfDataRangeTransport = pdfDataRangeTransport;
this.commonObjs = new PDFObjects();
this.fontLoader = new FontLoader(loadingTask.docId);
this.CMapReaderFactory = new CMapReaderFactory({
baseUrl: getDefaultSetting('cMapUrl'),
isCompressed: getDefaultSetting('cMapPacked')
});
this.destroyed = false;
this.destroyCapability = null;
this._passwordCapability = null;
this.pageCache = [];
this.pagePromises = [];
this.downloadInfoCapability = createPromiseCapability();
this.setupMessageHandler();
}
WorkerTransport.prototype = {
destroy: function WorkerTransport_destroy() {
if (this.destroyCapability) {
return this.destroyCapability.promise;
}
this.destroyed = true;
this.destroyCapability = createPromiseCapability();
if (this._passwordCapability) {
this._passwordCapability.reject(new Error('Worker was destroyed during onPassword callback'));
}
var waitOn = [];
this.pageCache.forEach(function (page) {
if (page) {
waitOn.push(page._destroy());
}
});
this.pageCache = [];
this.pagePromises = [];
var self = this;
var terminated = this.messageHandler.sendWithPromise('Terminate', null);
waitOn.push(terminated);
Promise.all(waitOn).then(function () {
self.fontLoader.clear();
if (self.pdfDataRangeTransport) {
self.pdfDataRangeTransport.abort();
self.pdfDataRangeTransport = null;
}
if (self.messageHandler) {
self.messageHandler.destroy();
self.messageHandler = null;
}
self.destroyCapability.resolve();
}, this.destroyCapability.reject);
return this.destroyCapability.promise;
},
setupMessageHandler: function WorkerTransport_setupMessageHandler() {
var messageHandler = this.messageHandler;
var loadingTask = this.loadingTask;
var pdfDataRangeTransport = this.pdfDataRangeTransport;
if (pdfDataRangeTransport) {
pdfDataRangeTransport.addRangeListener(function (begin, chunk) {
messageHandler.send('OnDataRange', {
begin: begin,
chunk: chunk
});
});
pdfDataRangeTransport.addProgressListener(function (loaded) {
messageHandler.send('OnDataProgress', { loaded: loaded });
});
pdfDataRangeTransport.addProgressiveReadListener(function (chunk) {
messageHandler.send('OnDataRange', { chunk: chunk });
});
messageHandler.on('RequestDataRange', function transportDataRange(data) {
pdfDataRangeTransport.requestDataRange(data.begin, data.end);
}, this);
}
messageHandler.on('GetDoc', function transportDoc(data) {
var pdfInfo = data.pdfInfo;
this.numPages = data.pdfInfo.numPages;
var loadingTask = this.loadingTask;
var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask);
this.pdfDocument = pdfDocument;
loadingTask._capability.resolve(pdfDocument);
}, this);
messageHandler.on('PasswordRequest', function transportPasswordRequest(exception) {
this._passwordCapability = createPromiseCapability();
if (loadingTask.onPassword) {
var updatePassword = function (password) {
this._passwordCapability.resolve({ password: password });
}.bind(this);
loadingTask.onPassword(updatePassword, exception.code);
} else {
this._passwordCapability.reject(new PasswordException(exception.message, exception.code));
}
return this._passwordCapability.promise;
}, this);
messageHandler.on('PasswordException', function transportPasswordException(exception) {
loadingTask._capability.reject(new PasswordException(exception.message, exception.code));
}, this);
messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) {
this.loadingTask._capability.reject(new InvalidPDFException(exception.message));
}, this);
messageHandler.on('MissingPDF', function transportMissingPDF(exception) {
this.loadingTask._capability.reject(new MissingPDFException(exception.message));
}, this);
messageHandler.on('UnexpectedResponse', function transportUnexpectedResponse(exception) {
this.loadingTask._capability.reject(new UnexpectedResponseException(exception.message, exception.status));
}, this);
messageHandler.on('UnknownError', function transportUnknownError(exception) {
this.loadingTask._capability.reject(new UnknownErrorException(exception.message, exception.details));
}, this);
messageHandler.on('DataLoaded', function transportPage(data) {
this.downloadInfoCapability.resolve(data);
}, this);
messageHandler.on('PDFManagerReady', function transportPage(data) {
if (this.pdfDataRangeTransport) {
this.pdfDataRangeTransport.transportReady();
}
}, this);
messageHandler.on('StartRenderPage', function transportRender(data) {
if (this.destroyed) {
return;
}
var page = this.pageCache[data.pageIndex];
page.stats.timeEnd('Page Request');
page._startRenderPage(data.transparency, data.intent);
}, this);
messageHandler.on('RenderPageChunk', function transportRender(data) {
if (this.destroyed) {
return;
}
var page = this.pageCache[data.pageIndex];
page._renderPageChunk(data.operatorList, data.intent);
}, this);
messageHandler.on('commonobj', function transportObj(data) {
if (this.destroyed) {
return;
}
var id = data[0];
var type = data[1];
if (this.commonObjs.hasData(id)) {
return;
}
switch (type) {
case 'Font':
var exportedData = data[2];
if ('error' in exportedData) {
var exportedError = exportedData.error;
warn('Error during font loading: ' + exportedError);
this.commonObjs.resolve(id, exportedError);
break;
}
var fontRegistry = null;
if (getDefaultSetting('pdfBug') && globalScope.FontInspector && globalScope['FontInspector'].enabled) {
fontRegistry = {
registerFont: function (font, url) {
globalScope['FontInspector'].fontAdded(font, url);
}
};
}
var font = new FontFaceObject(exportedData, {
isEvalSuported: getDefaultSetting('isEvalSupported'),
disableFontFace: getDefaultSetting('disableFontFace'),
fontRegistry: fontRegistry
});
this.fontLoader.bind([font], function fontReady(fontObjs) {
this.commonObjs.resolve(id, font);
}.bind(this));
break;
case 'FontPath':
this.commonObjs.resolve(id, data[2]);
break;
default:
error('Got unknown common object type ' + type);
}
}, this);
messageHandler.on('obj', function transportObj(data) {
if (this.destroyed) {
return;
}
var id = data[0];
var pageIndex = data[1];
var type = data[2];
var pageProxy = this.pageCache[pageIndex];
var imageData;
if (pageProxy.objs.hasData(id)) {
return;
}
switch (type) {
case 'JpegStream':
imageData = data[3];
loadJpegStream(id, imageData, pageProxy.objs);
break;
case 'Image':
imageData = data[3];
pageProxy.objs.resolve(id, imageData);
var MAX_IMAGE_SIZE_TO_STORE = 8000000;
if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
pageProxy.cleanupAfterRender = true;
}
break;
default:
error('Got unknown object type ' + type);
}
}, this);
messageHandler.on('DocProgress', function transportDocProgress(data) {
if (this.destroyed) {
return;
}
var loadingTask = this.loadingTask;
if (loadingTask.onProgress) {
loadingTask.onProgress({
loaded: data.loaded,
total: data.total
});
}
}, this);
messageHandler.on('PageError', function transportError(data) {
if (this.destroyed) {
return;
}
var page = this.pageCache[data.pageNum - 1];
var intentState = page.intentStates[data.intent];
if (intentState.displayReadyCapability) {
intentState.displayReadyCapability.reject(data.error);
} else {
error(data.error);
}
if (intentState.operatorList) {
intentState.operatorList.lastChunk = true;
for (var i = 0; i < intentState.renderTasks.length; i++) {
intentState.renderTasks[i].operatorListChanged();
}
}
}, this);
messageHandler.on('UnsupportedFeature', function transportUnsupportedFeature(data) {
if (this.destroyed) {
return;
}
var featureId = data.featureId;
var loadingTask = this.loadingTask;
if (loadingTask.onUnsupportedFeature) {
loadingTask.onUnsupportedFeature(featureId);
}
_UnsupportedManager.notify(featureId);
}, this);
messageHandler.on('JpegDecode', function (data) {
if (this.destroyed) {
return Promise.reject(new Error('Worker was destroyed'));
}
if (typeof document === 'undefined') {
return Promise.reject(new Error('"document" is not defined.'));
}
var imageUrl = data[0];
var components = data[1];
if (components !== 3 && components !== 1) {
return Promise.reject(new Error('Only 3 components or 1 component can be returned'));
}
return new Promise(function (resolve, reject) {
var img = new Image();
img.onload = function () {
var width = img.width;
var height = img.height;
var size = width * height;
var rgbaLength = size * 4;
var buf = new Uint8Array(size * components);
var tmpCanvas = document.createElement('canvas');
tmpCanvas.width = width;
tmpCanvas.height = height;
var tmpCtx = tmpCanvas.getContext('2d');
tmpCtx.drawImage(img, 0, 0);
var data = tmpCtx.getImageData(0, 0, width, height).data;
var i, j;
if (components === 3) {
for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) {
buf[j] = data[i];
buf[j + 1] = data[i + 1];
buf[j + 2] = data[i + 2];
}
} else if (components === 1) {
for (i = 0, j = 0; i < rgbaLength; i += 4, j++) {
buf[j] = data[i];
}
}
resolve({
data: buf,
width: width,
height: height
});
};
img.onerror = function () {
reject(new Error('JpegDecode failed to load image'));
};
img.src = imageUrl;
});
}, this);
messageHandler.on('FetchBuiltInCMap', function (data) {
if (this.destroyed) {
return Promise.reject(new Error('Worker was destroyed'));
}
return this.CMapReaderFactory.fetch({ name: data.name });
}, this);
},
getData: function WorkerTransport_getData() {
return this.messageHandler.sendWithPromise('GetData', null);
},
getPage: function WorkerTransport_getPage(pageNumber, capability) {
if (!isInt(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) {
return Promise.reject(new Error('Invalid page request'));
}
var pageIndex = pageNumber - 1;
if (pageIndex in this.pagePromises) {
return this.pagePromises[pageIndex];
}
var promise = this.messageHandler.sendWithPromise('GetPage', { pageIndex: pageIndex }).then(function (pageInfo) {
if (this.destroyed) {
throw new Error('Transport destroyed');
}
var page = new PDFPageProxy(pageIndex, pageInfo, this);
this.pageCache[pageIndex] = page;
return page;
}.bind(this));
this.pagePromises[pageIndex] = promise;
return promise;
},
getPageIndex: function WorkerTransport_getPageIndexByRef(ref) {
return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }).catch(function (reason) {
return Promise.reject(new Error(reason));
});
},
getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) {
return this.messageHandler.sendWithPromise('GetAnnotations', {
pageIndex: pageIndex,
intent: intent
});
},
getDestinations: function WorkerTransport_getDestinations() {
return this.messageHandler.sendWithPromise('GetDestinations', null);
},
getDestination: function WorkerTransport_getDestination(id) {
return this.messageHandler.sendWithPromise('GetDestination', { id: id });
},
getPageLabels: function WorkerTransport_getPageLabels() {
return this.messageHandler.sendWithPromise('GetPageLabels', null);
},
getAttachments: function WorkerTransport_getAttachments() {
return this.messageHandler.sendWithPromise('GetAttachments', null);
},
getJavaScript: function WorkerTransport_getJavaScript() {
return this.messageHandler.sendWithPromise('GetJavaScript', null);
},
getOutline: function WorkerTransport_getOutline() {
return this.messageHandler.sendWithPromise('GetOutline', null);
},
getMetadata: function WorkerTransport_getMetadata() {
return this.messageHandler.sendWithPromise('GetMetadata', null).then(function transportMetadata(results) {
return {
info: results[0],
metadata: results[1] ? new Metadata(results[1]) : null
};
});
},
getStats: function WorkerTransport_getStats() {
return this.messageHandler.sendWithPromise('GetStats', null);
},
startCleanup: function WorkerTransport_startCleanup() {
this.messageHandler.sendWithPromise('Cleanup', null).then(function endCleanup() {
for (var i = 0, ii = this.pageCache.length; i < ii; i++) {
var page = this.pageCache[i];
if (page) {
page.cleanup();
}
}
this.commonObjs.clear();
this.fontLoader.clear();
}.bind(this));
}
};
return WorkerTransport;
}();
var PDFObjects = function PDFObjectsClosure() {
function PDFObjects() {
this.objs = Object.create(null);
}
PDFObjects.prototype = {
ensureObj: function PDFObjects_ensureObj(objId) {
if (this.objs[objId]) {
return this.objs[objId];
}
var obj = {
capability: createPromiseCapability(),
data: null,
resolved: false
};
this.objs[objId] = obj;
return obj;
},
get: function PDFObjects_get(objId, callback) {
if (callback) {
this.ensureObj(objId).capability.promise.then(callback);
return null;
}
var obj = this.objs[objId];
if (!obj || !obj.resolved) {
error('Requesting object that isn\'t resolved yet ' + objId);
}
return obj.data;
},
resolve: function PDFObjects_resolve(objId, data) {
var obj = this.ensureObj(objId);
obj.resolved = true;
obj.data = data;
obj.capability.resolve(data);
},
isResolved: function PDFObjects_isResolved(objId) {
var objs = this.objs;
if (!objs[objId]) {
return false;
}
return objs[objId].resolved;
},
hasData: function PDFObjects_hasData(objId) {
return this.isResolved(objId);
},
getData: function PDFObjects_getData(objId) {
var objs = this.objs;
if (!objs[objId] || !objs[objId].resolved) {
return null;
}
return objs[objId].data;
},
clear: function PDFObjects_clear() {
this.objs = Object.create(null);
}
};
return PDFObjects;
}();
var RenderTask = function RenderTaskClosure() {
function RenderTask(internalRenderTask) {
this._internalRenderTask = internalRenderTask;
this.onContinue = null;
}
RenderTask.prototype = {
get promise() {
return this._internalRenderTask.capability.promise;
},
cancel: function RenderTask_cancel() {
this._internalRenderTask.cancel();
},
then: function RenderTask_then(onFulfilled, onRejected) {
return this.promise.then.apply(this.promise, arguments);
}
};
return RenderTask;
}();
var InternalRenderTask = function InternalRenderTaskClosure() {
function InternalRenderTask(callback, params, objs, commonObjs, operatorList, pageNumber, canvasFactory) {
this.callback = callback;
this.params = params;
this.objs = objs;
this.commonObjs = commonObjs;
this.operatorListIdx = null;
this.operatorList = operatorList;
this.pageNumber = pageNumber;
this.canvasFactory = canvasFactory;
this.running = false;
this.graphicsReadyCallback = null;
this.graphicsReady = false;
this.useRequestAnimationFrame = false;
this.cancelled = false;
this.capability = createPromiseCapability();
this.task = new RenderTask(this);
this._continueBound = this._continue.bind(this);
this._scheduleNextBound = this._scheduleNext.bind(this);
this._nextBound = this._next.bind(this);
}
InternalRenderTask.prototype = {
initializeGraphics: function InternalRenderTask_initializeGraphics(transparency) {
if (this.cancelled) {
return;
}
if (getDefaultSetting('pdfBug') && globalScope.StepperManager && globalScope.StepperManager.enabled) {
this.stepper = globalScope.StepperManager.create(this.pageNumber - 1);
this.stepper.init(this.operatorList);
this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
}
var params = this.params;
this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs, this.objs, this.canvasFactory, params.imageLayer);
this.gfx.beginDrawing(params.transform, params.viewport, transparency);
this.operatorListIdx = 0;
this.graphicsReady = true;
if (this.graphicsReadyCallback) {
this.graphicsReadyCallback();
}
},
cancel: function InternalRenderTask_cancel() {
this.running = false;
this.cancelled = true;
if (getDefaultSetting('pdfjsNext')) {
this.callback(new RenderingCancelledException('Rendering cancelled, page ' + this.pageNumber, 'canvas'));
} else {
this.callback('cancelled');
}
},
operatorListChanged: function InternalRenderTask_operatorListChanged() {
if (!this.graphicsReady) {
if (!this.graphicsReadyCallback) {
this.graphicsReadyCallback = this._continueBound;
}
return;
}
if (this.stepper) {
this.stepper.updateOperatorList(this.operatorList);
}
if (this.running) {
return;
}
this._continue();
},
_continue: function InternalRenderTask__continue() {
this.running = true;
if (this.cancelled) {
return;
}
if (this.task.onContinue) {
this.task.onContinue(this._scheduleNextBound);
} else {
this._scheduleNext();
}
},
_scheduleNext: function InternalRenderTask__scheduleNext() {
if (this.useRequestAnimationFrame && typeof window !== 'undefined') {
window.requestAnimationFrame(this._nextBound);
} else {
Promise.resolve(undefined).then(this._nextBound);
}
},
_next: function InternalRenderTask__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();
this.callback();
}
}
}
};
return InternalRenderTask;
}();
var _UnsupportedManager = function UnsupportedManagerClosure() {
var listeners = [];
return {
listen: function (cb) {
deprecated('Global UnsupportedManager.listen is used: ' + ' use PDFDocumentLoadingTask.onUnsupportedFeature instead');
listeners.push(cb);
},
notify: function (featureId) {
for (var i = 0, ii = listeners.length; i < ii; i++) {
listeners[i](featureId);
}
}
};
}();
exports.version = '1.8.172';
exports.build = '8ff1fbe7';
exports.getDocument = getDocument;
exports.PDFDataRangeTransport = PDFDataRangeTransport;
exports.PDFWorker = PDFWorker;
exports.PDFDocumentProxy = PDFDocumentProxy;
exports.PDFPageProxy = PDFPageProxy;
exports._UnsupportedManager = _UnsupportedManager;
/***/ }),
/* 4 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
var sharedUtil = __w_pdfjs_require__(0);
var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
var ImageKind = sharedUtil.ImageKind;
var OPS = sharedUtil.OPS;
var Util = sharedUtil.Util;
var isNum = sharedUtil.isNum;
var isArray = sharedUtil.isArray;
var warn = sharedUtil.warn;
var createObjectURL = sharedUtil.createObjectURL;
var SVG_DEFAULTS = {
fontStyle: 'normal',
fontWeight: 'normal',
fillColor: '#000000'
};
var convertImgDataToPng = function convertImgDataToPngClosure() {
var PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
var CHUNK_WRAPPER_SIZE = 12;
var crcTable = new Int32Array(256);
for (var i = 0; i < 256; i++) {
var c = i;
for (var 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) {
var crc = -1;
for (var i = start; i < end; i++) {
var a = (crc ^ data[i]) & 0xff;
var b = crcTable[a];
crc = crc >>> 8 ^ b;
}
return crc ^ -1;
}
function writePngChunk(type, body, data, offset) {
var p = offset;
var 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;
var 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) {
var a = 1;
var b = 0;
for (var i = start; i < end; ++i) {
a = (a + (data[i] & 0xff)) % 65521;
b = (b + a) % 65521;
}
return b << 16 | a;
}
function encode(imgData, kind, forceDataSchema) {
var width = imgData.width;
var height = imgData.height;
var bitDepth, colorType, lineSize;
var bytes = imgData.data;
switch (kind) {
case ImageKind.GRAYSCALE_1BPP:
colorType = 0;
bitDepth = 1;
lineSize = width + 7 >> 3;
break;
case ImageKind.RGB_24BPP:
colorType = 2;
bitDepth = 8;
lineSize = width * 3;
break;
case ImageKind.RGBA_32BPP:
colorType = 6;
bitDepth = 8;
lineSize = width * 4;
break;
default:
throw new Error('invalid format');
}
var literals = new Uint8Array((1 + lineSize) * height);
var offsetLiterals = 0,
offsetBytes = 0;
var y, i;
for (y = 0; y < height; ++y) {
literals[offsetLiterals++] = 0;
literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
offsetBytes += lineSize;
offsetLiterals += lineSize;
}
if (kind === ImageKind.GRAYSCALE_1BPP) {
offsetLiterals = 0;
for (y = 0; y < height; y++) {
offsetLiterals++;
for (i = 0; i < lineSize; i++) {
literals[offsetLiterals++] ^= 0xFF;
}
}
}
var 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]);
var len = literals.length;
var maxBlockLength = 0xFFFF;
var deflateBlocks = Math.ceil(len / maxBlockLength);
var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
var pi = 0;
idat[pi++] = 0x78;
idat[pi++] = 0x9c;
var 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;
var 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;
var pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
var data = new Uint8Array(pngLength);
var 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 createObjectURL(data, 'image/png', forceDataSchema);
}
return function convertImgDataToPng(imgData, forceDataSchema) {
var kind = imgData.kind === undefined ? ImageKind.GRAYSCALE_1BPP : imgData.kind;
return encode(imgData, kind, forceDataSchema);
};
}();
var SVGExtraState = function SVGExtraStateClosure() {
function SVGExtraState() {
this.fontSizeScale = 1;
this.fontWeight = SVG_DEFAULTS.fontWeight;
this.fontSize = 0;
this.textMatrix = IDENTITY_MATRIX;
this.fontMatrix = FONT_IDENTITY_MATRIX;
this.leading = 0;
this.x = 0;
this.y = 0;
this.lineX = 0;
this.lineY = 0;
this.charSpacing = 0;
this.wordSpacing = 0;
this.textHScale = 1;
this.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 = '';
}
SVGExtraState.prototype = {
clone: function SVGExtraState_clone() {
return Object.create(this);
},
setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) {
this.x = x;
this.y = y;
}
};
return SVGExtraState;
}();
var SVGGraphics = function SVGGraphicsClosure() {
function opListToTree(opList) {
var opTree = [];
var tmp = [];
var opListLen = opList.length;
for (var x = 0; x < opListLen; x++) {
if (opList[x].fn === 'save') {
opTree.push({
'fnId': 92,
'fn': 'group',
'items': []
});
tmp.push(opTree);
opTree = opTree[opTree.length - 1].items;
continue;
}
if (opList[x].fn === 'restore') {
opTree = tmp.pop();
} else {
opTree.push(opList[x]);
}
}
return opTree;
}
function pf(value) {
if (value === (value | 0)) {
return value.toString();
}
var s = value.toFixed(10);
var i = s.length - 1;
if (s[i] !== '0') {
return s;
}
do {
i--;
} while (s[i] === '0');
return s.substr(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]) {
var 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]) + ')';
}
function SVGGraphics(commonObjs, objs, forceDataSchema) {
this.current = new SVGExtraState();
this.transformMatrix = IDENTITY_MATRIX;
this.transformStack = [];
this.extraStack = [];
this.commonObjs = commonObjs;
this.objs = objs;
this.pendingEOFill = false;
this.embedFonts = false;
this.embeddedFonts = Object.create(null);
this.cssStyle = null;
this.forceDataSchema = !!forceDataSchema;
}
var NS = 'http://www.w3.org/2000/svg';
var XML_NS = 'http://www.w3.org/XML/1998/namespace';
var XLINK_NS = 'http://www.w3.org/1999/xlink';
var LINE_CAP_STYLES = ['butt', 'round', 'square'];
var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];
var clipCount = 0;
var maskCount = 0;
SVGGraphics.prototype = {
save: function SVGGraphics_save() {
this.transformStack.push(this.transformMatrix);
var old = this.current;
this.extraStack.push(old);
this.current = old.clone();
},
restore: function SVGGraphics_restore() {
this.transformMatrix = this.transformStack.pop();
this.current = this.extraStack.pop();
this.tgrp = null;
},
group: function SVGGraphics_group(items) {
this.save();
this.executeOpTree(items);
this.restore();
},
loadDependencies: function SVGGraphics_loadDependencies(operatorList) {
var fnArray = operatorList.fnArray;
var fnArrayLen = fnArray.length;
var argsArray = operatorList.argsArray;
var self = this;
for (var i = 0; i < fnArrayLen; i++) {
if (OPS.dependency === fnArray[i]) {
var deps = argsArray[i];
for (var n = 0, nn = deps.length; n < nn; n++) {
var obj = deps[n];
var common = obj.substring(0, 2) === 'g_';
var promise;
if (common) {
promise = new Promise(function (resolve) {
self.commonObjs.get(obj, resolve);
});
} else {
promise = new Promise(function (resolve) {
self.objs.get(obj, resolve);
});
}
this.current.dependencies.push(promise);
}
}
}
return Promise.all(this.current.dependencies);
},
transform: function SVGGraphics_transform(a, b, c, d, e, f) {
var transformMatrix = [a, b, c, d, e, f];
this.transformMatrix = Util.transform(this.transformMatrix, transformMatrix);
this.tgrp = null;
},
getSVG: function SVGGraphics_getSVG(operatorList, viewport) {
this.viewport = viewport;
var svgElement = this._initialize(viewport);
return this.loadDependencies(operatorList).then(function () {
this.transformMatrix = IDENTITY_MATRIX;
var opTree = this.convertOpList(operatorList);
this.executeOpTree(opTree);
return svgElement;
}.bind(this));
},
convertOpList: function SVGGraphics_convertOpList(operatorList) {
var argsArray = operatorList.argsArray;
var fnArray = operatorList.fnArray;
var fnArrayLen = fnArray.length;
var REVOPS = [];
var opList = [];
for (var op in OPS) {
REVOPS[OPS[op]] = op;
}
for (var x = 0; x < fnArrayLen; x++) {
var fnId = fnArray[x];
opList.push({
'fnId': fnId,
'fn': REVOPS[fnId],
'args': argsArray[x]
});
}
return opListToTree(opList);
},
executeOpTree: function SVGGraphics_executeOpTree(opTree) {
var opTreeLen = opTree.length;
for (var x = 0; x < opTreeLen; x++) {
var fn = opTree[x].fn;
var fnId = opTree[x].fnId;
var args = opTree[x].args;
switch (fnId | 0) {
case OPS.beginText:
this.beginText();
break;
case OPS.setLeading:
this.setLeading(args);
break;
case OPS.setLeadingMoveText:
this.setLeadingMoveText(args[0], args[1]);
break;
case OPS.setFont:
this.setFont(args);
break;
case OPS.showText:
this.showText(args[0]);
break;
case OPS.showSpacedText:
this.showText(args[0]);
break;
case OPS.endText:
this.endText();
break;
case OPS.moveText:
this.moveText(args[0], args[1]);
break;
case OPS.setCharSpacing:
this.setCharSpacing(args[0]);
break;
case OPS.setWordSpacing:
this.setWordSpacing(args[0]);
break;
case OPS.setHScale:
this.setHScale(args[0]);
break;
case OPS.setTextMatrix:
this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
break;
case OPS.setLineWidth:
this.setLineWidth(args[0]);
break;
case OPS.setLineJoin:
this.setLineJoin(args[0]);
break;
case OPS.setLineCap:
this.setLineCap(args[0]);
break;
case OPS.setMiterLimit:
this.setMiterLimit(args[0]);
break;
case OPS.setFillRGBColor:
this.setFillRGBColor(args[0], args[1], args[2]);
break;
case OPS.setStrokeRGBColor:
this.setStrokeRGBColor(args[0], args[1], args[2]);
break;
case OPS.setDash:
this.setDash(args[0], args[1]);
break;
case OPS.setGState:
this.setGState(args[0]);
break;
case OPS.fill:
this.fill();
break;
case OPS.eoFill:
this.eoFill();
break;
case OPS.stroke:
this.stroke();
break;
case OPS.fillStroke:
this.fillStroke();
break;
case OPS.eoFillStroke:
this.eoFillStroke();
break;
case OPS.clip:
this.clip('nonzero');
break;
case OPS.eoClip:
this.clip('evenodd');
break;
case OPS.paintSolidColorImageMask:
this.paintSolidColorImageMask();
break;
case OPS.paintJpegXObject:
this.paintJpegXObject(args[0], args[1], args[2]);
break;
case OPS.paintImageXObject:
this.paintImageXObject(args[0]);
break;
case OPS.paintInlineImageXObject:
this.paintInlineImageXObject(args[0]);
break;
case OPS.paintImageMaskXObject:
this.paintImageMaskXObject(args[0]);
break;
case OPS.paintFormXObjectBegin:
this.paintFormXObjectBegin(args[0], args[1]);
break;
case OPS.paintFormXObjectEnd:
this.paintFormXObjectEnd();
break;
case OPS.closePath:
this.closePath();
break;
case OPS.closeStroke:
this.closeStroke();
break;
case OPS.closeFillStroke:
this.closeFillStroke();
break;
case OPS.nextLine:
this.nextLine();
break;
case OPS.transform:
this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
break;
case OPS.constructPath:
this.constructPath(args[0], args[1]);
break;
case OPS.endPath:
this.endPath();
break;
case 92:
this.group(opTree[x].items);
break;
default:
warn('Unimplemented operator ' + fn);
break;
}
}
},
setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) {
this.current.wordSpacing = wordSpacing;
},
setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) {
this.current.charSpacing = charSpacing;
},
nextLine: function SVGGraphics_nextLine() {
this.moveText(0, this.current.leading);
},
setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) {
var current = this.current;
this.current.textMatrix = this.current.lineMatrix = [a, b, c, d, e, f];
this.current.x = this.current.lineX = 0;
this.current.y = this.current.lineY = 0;
current.xcoords = [];
current.tspan = document.createElementNS(NS, '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 = document.createElementNS(NS, 'svg:text');
current.txtElement.appendChild(current.tspan);
},
beginText: function SVGGraphics_beginText() {
this.current.x = this.current.lineX = 0;
this.current.y = this.current.lineY = 0;
this.current.textMatrix = IDENTITY_MATRIX;
this.current.lineMatrix = IDENTITY_MATRIX;
this.current.tspan = document.createElementNS(NS, 'svg:tspan');
this.current.txtElement = document.createElementNS(NS, 'svg:text');
this.current.txtgrp = document.createElementNS(NS, 'svg:g');
this.current.xcoords = [];
},
moveText: function SVGGraphics_moveText(x, y) {
var current = this.current;
this.current.x = this.current.lineX += x;
this.current.y = this.current.lineY += y;
current.xcoords = [];
current.tspan = document.createElementNS(NS, '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: function SVGGraphics_showText(glyphs) {
var current = this.current;
var font = current.font;
var fontSize = current.fontSize;
if (fontSize === 0) {
return;
}
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 widthAdvanceScale = fontSize * current.fontMatrix[0];
var x = 0,
i;
for (i = 0; i < glyphsLength; ++i) {
var glyph = glyphs[i];
if (glyph === null) {
x += fontDirection * wordSpacing;
continue;
} else if (isNum(glyph)) {
x += -glyph * fontSize * 0.001;
continue;
}
current.xcoords.push(current.x + x * textHScale);
var width = glyph.width;
var character = glyph.fontChar;
var charWidth = width * widthAdvanceScale + charSpacing * fontDirection;
x += charWidth;
current.tspan.textContent += character;
}
if (vertical) {
current.y -= x * textHScale;
} else {
current.x += x * textHScale;
}
current.tspan.setAttributeNS(null, 'x', current.xcoords.map(pf).join(' '));
current.tspan.setAttributeNS(null, 'y', pf(-current.y));
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);
}
if (current.fillColor !== SVG_DEFAULTS.fillColor) {
current.tspan.setAttributeNS(null, 'fill', current.fillColor);
}
current.txtElement.setAttributeNS(null, 'transform', pm(current.textMatrix) + ' scale(1, -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: function SVGGraphics_setLeadingMoveText(x, y) {
this.setLeading(-y);
this.moveText(x, y);
},
addFontStyle: function SVGGraphics_addFontStyle(fontObj) {
if (!this.cssStyle) {
this.cssStyle = document.createElementNS(NS, 'svg:style');
this.cssStyle.setAttributeNS(null, 'type', 'text/css');
this.defs.appendChild(this.cssStyle);
}
var url = createObjectURL(fontObj.data, fontObj.mimetype, this.forceDataSchema);
this.cssStyle.textContent += '@font-face { font-family: "' + fontObj.loadedName + '";' + ' src: url(' + url + '); }\n';
},
setFont: function SVGGraphics_setFont(details) {
var current = this.current;
var fontObj = this.commonObjs.get(details[0]);
var size = details[1];
this.current.font = fontObj;
if (this.embedFonts && fontObj.data && !this.embeddedFonts[fontObj.loadedName]) {
this.addFontStyle(fontObj);
this.embeddedFonts[fontObj.loadedName] = fontObj;
}
current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : FONT_IDENTITY_MATRIX;
var bold = fontObj.black ? fontObj.bold ? 'bolder' : 'bold' : fontObj.bold ? 'bold' : 'normal';
var 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 = document.createElementNS(NS, 'svg:tspan');
current.tspan.setAttributeNS(null, 'y', pf(-current.y));
current.xcoords = [];
},
endText: function SVGGraphics_endText() {},
setLineWidth: function SVGGraphics_setLineWidth(width) {
this.current.lineWidth = width;
},
setLineCap: function SVGGraphics_setLineCap(style) {
this.current.lineCap = LINE_CAP_STYLES[style];
},
setLineJoin: function SVGGraphics_setLineJoin(style) {
this.current.lineJoin = LINE_JOIN_STYLES[style];
},
setMiterLimit: function SVGGraphics_setMiterLimit(limit) {
this.current.miterLimit = limit;
},
setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) {
var color = Util.makeCssRgb(r, g, b);
this.current.strokeColor = color;
},
setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) {
var color = Util.makeCssRgb(r, g, b);
this.current.fillColor = color;
this.current.tspan = document.createElementNS(NS, 'svg:tspan');
this.current.xcoords = [];
},
setDash: function SVGGraphics_setDash(dashArray, dashPhase) {
this.current.dashArray = dashArray;
this.current.dashPhase = dashPhase;
},
constructPath: function SVGGraphics_constructPath(ops, args) {
var current = this.current;
var x = current.x,
y = current.y;
current.path = document.createElementNS(NS, 'svg:path');
var d = [];
var opLength = ops.length;
for (var i = 0, j = 0; i < opLength; i++) {
switch (ops[i] | 0) {
case OPS.rectangle:
x = args[j++];
y = args[j++];
var width = args[j++];
var height = args[j++];
var xw = x + width;
var 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 OPS.moveTo:
x = args[j++];
y = args[j++];
d.push('M', pf(x), pf(y));
break;
case OPS.lineTo:
x = args[j++];
y = args[j++];
d.push('L', pf(x), pf(y));
break;
case 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 OPS.curveTo2:
x = args[j + 2];
y = args[j + 3];
d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
j += 4;
break;
case 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 OPS.closePath:
d.push('Z');
break;
}
}
current.path.setAttributeNS(null, 'd', d.join(' '));
current.path.setAttributeNS(null, 'stroke-miterlimit', pf(current.miterLimit));
current.path.setAttributeNS(null, 'stroke-linecap', current.lineCap);
current.path.setAttributeNS(null, 'stroke-linejoin', current.lineJoin);
current.path.setAttributeNS(null, 'stroke-width', pf(current.lineWidth) + 'px');
current.path.setAttributeNS(null, 'stroke-dasharray', current.dashArray.map(pf).join(' '));
current.path.setAttributeNS(null, 'stroke-dashoffset', pf(current.dashPhase) + 'px');
current.path.setAttributeNS(null, 'fill', 'none');
this._ensureTransformGroup().appendChild(current.path);
current.element = current.path;
current.setCurrentPoint(x, y);
},
endPath: function SVGGraphics_endPath() {},
clip: function SVGGraphics_clip(type) {
var current = this.current;
var clipId = 'clippath' + clipCount;
clipCount++;
var clipPath = document.createElementNS(NS, 'svg:clipPath');
clipPath.setAttributeNS(null, 'id', clipId);
clipPath.setAttributeNS(null, 'transform', pm(this.transformMatrix));
var clipElement = current.element.cloneNode();
if (type === 'evenodd') {
clipElement.setAttributeNS(null, 'clip-rule', 'evenodd');
} else {
clipElement.setAttributeNS(null, 'clip-rule', 'nonzero');
}
clipPath.appendChild(clipElement);
this.defs.appendChild(clipPath);
if (current.activeClipUrl) {
current.clipGroup = null;
this.extraStack.forEach(function (prev) {
prev.clipGroup = null;
});
}
current.activeClipUrl = 'url(#' + clipId + ')';
this.tgrp = null;
},
closePath: function SVGGraphics_closePath() {
var current = this.current;
var d = current.path.getAttributeNS(null, 'd');
d += 'Z';
current.path.setAttributeNS(null, 'd', d);
},
setLeading: function SVGGraphics_setLeading(leading) {
this.current.leading = -leading;
},
setTextRise: function SVGGraphics_setTextRise(textRise) {
this.current.textRise = textRise;
},
setHScale: function SVGGraphics_setHScale(scale) {
this.current.textHScale = scale / 100;
},
setGState: function SVGGraphics_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 'Font':
this.setFont(value);
break;
default:
warn('Unimplemented graphic state ' + key);
break;
}
}
},
fill: function SVGGraphics_fill() {
var current = this.current;
current.element.setAttributeNS(null, 'fill', current.fillColor);
},
stroke: function SVGGraphics_stroke() {
var current = this.current;
current.element.setAttributeNS(null, 'stroke', current.strokeColor);
current.element.setAttributeNS(null, 'fill', 'none');
},
eoFill: function SVGGraphics_eoFill() {
var current = this.current;
current.element.setAttributeNS(null, 'fill', current.fillColor);
current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
},
fillStroke: function SVGGraphics_fillStroke() {
this.stroke();
this.fill();
},
eoFillStroke: function SVGGraphics_eoFillStroke() {
this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
this.fillStroke();
},
closeStroke: function SVGGraphics_closeStroke() {
this.closePath();
this.stroke();
},
closeFillStroke: function SVGGraphics_closeFillStroke() {
this.closePath();
this.fillStroke();
},
paintSolidColorImageMask: function SVGGraphics_paintSolidColorImageMask() {
var current = this.current;
var rect = document.createElementNS(NS, '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', current.fillColor);
this._ensureTransformGroup().appendChild(rect);
},
paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) {
var imgObj = this.objs.get(objId);
var imgEl = document.createElementNS(NS, 'svg:image');
imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src);
imgEl.setAttributeNS(null, 'width', imgObj.width + 'px');
imgEl.setAttributeNS(null, 'height', imgObj.height + 'px');
imgEl.setAttributeNS(null, 'x', '0');
imgEl.setAttributeNS(null, 'y', pf(-h));
imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')');
this._ensureTransformGroup().appendChild(imgEl);
},
paintImageXObject: function SVGGraphics_paintImageXObject(objId) {
var imgData = this.objs.get(objId);
if (!imgData) {
warn('Dependent image isn\'t ready yet');
return;
}
this.paintInlineImageXObject(imgData);
},
paintInlineImageXObject: function SVGGraphics_paintInlineImageXObject(imgData, mask) {
var width = imgData.width;
var height = imgData.height;
var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema);
var cliprect = document.createElementNS(NS, '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');
var imgEl = document.createElementNS(NS, '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: function SVGGraphics_paintImageMaskXObject(imgData) {
var current = this.current;
var width = imgData.width;
var height = imgData.height;
var fillColor = current.fillColor;
current.maskId = 'mask' + maskCount++;
var mask = document.createElementNS(NS, 'svg:mask');
mask.setAttributeNS(null, 'id', current.maskId);
var rect = document.createElementNS(NS, '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: function SVGGraphics_paintFormXObjectBegin(matrix, bbox) {
if (isArray(matrix) && matrix.length === 6) {
this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
}
if (isArray(bbox) && bbox.length === 4) {
var width = bbox[2] - bbox[0];
var height = bbox[3] - bbox[1];
var cliprect = document.createElementNS(NS, '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: function SVGGraphics_paintFormXObjectEnd() {},
_initialize: function SVGGraphics_initialize(viewport) {
var svg = document.createElementNS(NS, 'svg:svg');
svg.setAttributeNS(null, 'version', '1.1');
svg.setAttributeNS(null, 'width', viewport.width + 'px');
svg.setAttributeNS(null, 'height', viewport.height + 'px');
svg.setAttributeNS(null, 'preserveAspectRatio', 'none');
svg.setAttributeNS(null, 'viewBox', '0 0 ' + viewport.width + ' ' + viewport.height);
var definitions = document.createElementNS(NS, 'svg:defs');
svg.appendChild(definitions);
this.defs = definitions;
var rootGroup = document.createElementNS(NS, 'svg:g');
rootGroup.setAttributeNS(null, 'transform', pm(viewport.transform));
svg.appendChild(rootGroup);
this.svg = rootGroup;
return svg;
},
_ensureClipGroup: function SVGGraphics_ensureClipGroup() {
if (!this.current.clipGroup) {
var clipGroup = document.createElementNS(NS, 'svg:g');
clipGroup.setAttributeNS(null, 'clip-path', this.current.activeClipUrl);
this.svg.appendChild(clipGroup);
this.current.clipGroup = clipGroup;
}
return this.current.clipGroup;
},
_ensureTransformGroup: function SVGGraphics_ensureTransformGroup() {
if (!this.tgrp) {
this.tgrp = document.createElementNS(NS, '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;
}
};
return SVGGraphics;
}();
exports.SVGGraphics = SVGGraphics;
/***/ }),
/* 5 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
var sharedUtil = __w_pdfjs_require__(0);
var displayDOMUtils = __w_pdfjs_require__(1);
var Util = sharedUtil.Util;
var createPromiseCapability = sharedUtil.createPromiseCapability;
var CustomStyle = displayDOMUtils.CustomStyle;
var getDefaultSetting = displayDOMUtils.getDefaultSetting;
var renderTextLayer = function renderTextLayerClosure() {
var MAX_TEXT_DIVS_TO_RENDER = 100000;
var NonWhitespaceRegexp = /\S/;
function isAllWhitespace(str) {
return !NonWhitespaceRegexp.test(str);
}
var styleBuf = ['left: ', 0, 'px; top: ', 0, 'px; font-size: ', 0, 'px; font-family: ', '', ';'];
function appendText(task, geom, styles) {
var textDiv = document.createElement('div');
var textDivProperties = {
style: null,
angle: 0,
canvasWidth: 0,
isWhitespace: false,
originalTransform: null,
paddingBottom: 0,
paddingLeft: 0,
paddingRight: 0,
paddingTop: 0,
scale: 1
};
task._textDivs.push(textDiv);
if (isAllWhitespace(geom.str)) {
textDivProperties.isWhitespace = true;
task._textDivProperties.set(textDiv, textDivProperties);
return;
}
var tx = Util.transform(task._viewport.transform, geom.transform);
var angle = Math.atan2(tx[1], tx[0]);
var style = styles[geom.fontName];
if (style.vertical) {
angle += Math.PI / 2;
}
var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
var fontAscent = fontHeight;
if (style.ascent) {
fontAscent = style.ascent * fontAscent;
} else if (style.descent) {
fontAscent = (1 + style.descent) * fontAscent;
}
var left;
var top;
if (angle === 0) {
left = tx[4];
top = tx[5] - fontAscent;
} else {
left = tx[4] + fontAscent * Math.sin(angle);
top = tx[5] - fontAscent * Math.cos(angle);
}
styleBuf[1] = left;
styleBuf[3] = top;
styleBuf[5] = fontHeight;
styleBuf[7] = style.fontFamily;
textDivProperties.style = styleBuf.join('');
textDiv.setAttribute('style', textDivProperties.style);
textDiv.textContent = geom.str;
if (getDefaultSetting('pdfBug')) {
textDiv.dataset.fontName = geom.fontName;
}
if (angle !== 0) {
textDivProperties.angle = angle * (180 / Math.PI);
}
if (geom.str.length > 1) {
if (style.vertical) {
textDivProperties.canvasWidth = geom.height * task._viewport.scale;
} else {
textDivProperties.canvasWidth = geom.width * task._viewport.scale;
}
}
task._textDivProperties.set(textDiv, textDivProperties);
if (task._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.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: m
});
}
}
function render(task) {
if (task._canceled) {
return;
}
var textLayerFrag = task._container;
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;
}
var canvas = document.createElement('canvas');
canvas.mozOpaque = true;
var ctx = canvas.getContext('2d', { alpha: false });
var lastFontSize;
var lastFontFamily;
for (var i = 0; i < textDivsLength; i++) {
var textDiv = textDivs[i];
var textDivProperties = task._textDivProperties.get(textDiv);
if (textDivProperties.isWhitespace) {
continue;
}
var fontSize = textDiv.style.fontSize;
var fontFamily = textDiv.style.fontFamily;
if (fontSize !== lastFontSize || fontFamily !== lastFontFamily) {
ctx.font = fontSize + ' ' + fontFamily;
lastFontSize = fontSize;
lastFontFamily = fontFamily;
}
var width = ctx.measureText(textDiv.textContent).width;
textLayerFrag.appendChild(textDiv);
var transform = '';
if (textDivProperties.canvasWidth !== 0 && width > 0) {
textDivProperties.scale = textDivProperties.canvasWidth / width;
transform = 'scaleX(' + textDivProperties.scale + ')';
}
if (textDivProperties.angle !== 0) {
transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform;
}
if (transform !== '') {
textDivProperties.originalTransform = transform;
CustomStyle.setProp('transform', textDiv, transform);
}
task._textDivProperties.set(textDiv, textDivProperties);
}
task._renderingDone = true;
capability.resolve();
}
function expand(task) {
var bounds = task._bounds;
var viewport = task._viewport;
var expanded = expandBounds(viewport.width, viewport.height, bounds);
for (var i = 0; i < expanded.length; i++) {
var div = bounds[i].div;
var divProperties = task._textDivProperties.get(div);
if (divProperties.angle === 0) {
divProperties.paddingLeft = bounds[i].left - expanded[i].left;
divProperties.paddingTop = bounds[i].top - expanded[i].top;
divProperties.paddingRight = expanded[i].right - bounds[i].right;
divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
task._textDivProperties.set(div, divProperties);
continue;
}
var e = expanded[i],
b = bounds[i];
var m = b.m,
c = m[0],
s = m[1];
var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];
var ts = new Float64Array(64);
points.forEach(function (p, i) {
var t = Util.applyTransform(p, m);
ts[i + 0] = c && (e.left - t[0]) / c;
ts[i + 4] = s && (e.top - t[1]) / s;
ts[i + 8] = c && (e.right - t[0]) / c;
ts[i + 12] = s && (e.bottom - t[1]) / s;
ts[i + 16] = s && (e.left - t[0]) / -s;
ts[i + 20] = c && (e.top - t[1]) / c;
ts[i + 24] = s && (e.right - t[0]) / -s;
ts[i + 28] = c && (e.bottom - t[1]) / c;
ts[i + 32] = c && (e.left - t[0]) / -c;
ts[i + 36] = s && (e.top - t[1]) / -s;
ts[i + 40] = c && (e.right - t[0]) / -c;
ts[i + 44] = s && (e.bottom - t[1]) / -s;
ts[i + 48] = s && (e.left - t[0]) / s;
ts[i + 52] = c && (e.top - t[1]) / -c;
ts[i + 56] = s && (e.right - t[0]) / s;
ts[i + 60] = c && (e.bottom - t[1]) / -c;
});
var findPositiveMin = function (ts, offset, count) {
var result = 0;
for (var i = 0; i < count; i++) {
var t = ts[offset++];
if (t > 0) {
result = result ? Math.min(t, result) : t;
}
}
return result;
};
var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
task._textDivProperties.set(div, divProperties);
}
}
function expandBounds(width, height, boxes) {
var bounds = boxes.map(function (box, i) {
return {
x1: box.left,
y1: box.top,
x2: box.right,
y2: box.bottom,
index: i,
x1New: undefined,
x2New: undefined
};
});
expandBoundsLTR(width, bounds);
var expanded = new Array(boxes.length);
bounds.forEach(function (b) {
var i = b.index;
expanded[i] = {
left: b.x1New,
top: 0,
right: b.x2New,
bottom: 0
};
});
boxes.map(function (box, i) {
var e = expanded[i],
b = bounds[i];
b.x1 = box.top;
b.y1 = width - e.right;
b.x2 = box.bottom;
b.y2 = width - e.left;
b.index = i;
b.x1New = undefined;
b.x2New = undefined;
});
expandBoundsLTR(height, bounds);
bounds.forEach(function (b) {
var i = b.index;
expanded[i].top = b.x1New;
expanded[i].bottom = b.x2New;
});
return expanded;
}
function expandBoundsLTR(width, bounds) {
bounds.sort(function (a, b) {
return a.x1 - b.x1 || a.index - b.index;
});
var fakeBoundary = {
x1: -Infinity,
y1: -Infinity,
x2: 0,
y2: Infinity,
index: -1,
x1New: 0,
x2New: 0
};
var horizon = [{
start: -Infinity,
end: Infinity,
boundary: fakeBoundary
}];
bounds.forEach(function (boundary) {
var i = 0;
while (i < horizon.length && horizon[i].end <= boundary.y1) {
i++;
}
var j = horizon.length - 1;
while (j >= 0 && horizon[j].start >= boundary.y2) {
j--;
}
var horizonPart, affectedBoundary;
var q,
k,
maxXNew = -Infinity;
for (q = i; q <= j; q++) {
horizonPart = horizon[q];
affectedBoundary = horizonPart.boundary;
var xNew;
if (affectedBoundary.x2 > boundary.x1) {
xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
} else if (affectedBoundary.x2New === undefined) {
xNew = (affectedBoundary.x2 + boundary.x1) / 2;
} else {
xNew = affectedBoundary.x2New;
}
if (xNew > maxXNew) {
maxXNew = xNew;
}
}
boundary.x1New = maxXNew;
for (q = i; q <= j; q++) {
horizonPart = horizon[q];
affectedBoundary = horizonPart.boundary;
if (affectedBoundary.x2New === undefined) {
if (affectedBoundary.x2 > boundary.x1) {
if (affectedBoundary.index > boundary.index) {
affectedBoundary.x2New = affectedBoundary.x2;
}
} else {
affectedBoundary.x2New = maxXNew;
}
} else if (affectedBoundary.x2New > maxXNew) {
affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
}
}
var changedHorizon = [],
lastBoundary = null;
for (q = i; q <= j; q++) {
horizonPart = horizon[q];
affectedBoundary = horizonPart.boundary;
var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
if (lastBoundary === useBoundary) {
changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
} else {
changedHorizon.push({
start: horizonPart.start,
end: horizonPart.end,
boundary: useBoundary
});
lastBoundary = useBoundary;
}
}
if (horizon[i].start < boundary.y1) {
changedHorizon[0].start = boundary.y1;
changedHorizon.unshift({
start: horizon[i].start,
end: boundary.y1,
boundary: horizon[i].boundary
});
}
if (boundary.y2 < horizon[j].end) {
changedHorizon[changedHorizon.length - 1].end = boundary.y2;
changedHorizon.push({
start: boundary.y2,
end: horizon[j].end,
boundary: horizon[j].boundary
});
}
for (q = i; q <= j; q++) {
horizonPart = horizon[q];
affectedBoundary = horizonPart.boundary;
if (affectedBoundary.x2New !== undefined) {
continue;
}
var used = false;
for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
used = horizon[k].boundary === affectedBoundary;
}
for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
used = horizon[k].boundary === affectedBoundary;
}
for (k = 0; !used && k < changedHorizon.length; k++) {
used = changedHorizon[k].boundary === affectedBoundary;
}
if (!used) {
affectedBoundary.x2New = maxXNew;
}
}
Array.prototype.splice.apply(horizon, [i, j - i + 1].concat(changedHorizon));
});
horizon.forEach(function (horizonPart) {
var affectedBoundary = horizonPart.boundary;
if (affectedBoundary.x2New === undefined) {
affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
}
});
}
function TextLayerRenderTask(textContent, container, viewport, textDivs, enhanceTextSelection) {
this._textContent = textContent;
this._container = container;
this._viewport = viewport;
this._textDivs = textDivs || [];
this._textDivProperties = new WeakMap();
this._renderingDone = false;
this._canceled = false;
this._capability = createPromiseCapability();
this._renderTimer = null;
this._bounds = [];
this._enhanceTextSelection = !!enhanceTextSelection;
}
TextLayerRenderTask.prototype = {
get promise() {
return this._capability.promise;
},
cancel: function TextLayer_cancel() {
this._canceled = true;
if (this._renderTimer !== null) {
clearTimeout(this._renderTimer);
this._renderTimer = null;
}
this._capability.reject('canceled');
},
_render: function TextLayer_render(timeout) {
var textItems = this._textContent.items;
var textStyles = this._textContent.styles;
for (var i = 0, len = textItems.length; i < len; i++) {
appendText(this, textItems[i], textStyles);
}
if (!timeout) {
render(this);
} else {
var self = this;
this._renderTimer = setTimeout(function () {
render(self);
self._renderTimer = null;
}, timeout);
}
},
expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
if (!this._enhanceTextSelection || !this._renderingDone) {
return;
}
if (this._bounds !== null) {
expand(this);
this._bounds = null;
}
for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
var div = this._textDivs[i];
var divProperties = this._textDivProperties.get(div);
if (divProperties.isWhitespace) {
continue;
}
if (expandDivs) {
var transform = '',
padding = '';
if (divProperties.scale !== 1) {
transform = 'scaleX(' + divProperties.scale + ')';
}
if (divProperties.angle !== 0) {
transform = 'rotate(' + divProperties.angle + 'deg) ' + transform;
}
if (divProperties.paddingLeft !== 0) {
padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;';
transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)';
}
if (divProperties.paddingTop !== 0) {
padding += ' padding-top: ' + divProperties.paddingTop + 'px;';
transform += ' translateY(' + -divProperties.paddingTop + 'px)';
}
if (divProperties.paddingRight !== 0) {
padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;';
}
if (divProperties.paddingBottom !== 0) {
padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;';
}
if (padding !== '') {
div.setAttribute('style', divProperties.style + padding);
}
if (transform !== '') {
CustomStyle.setProp('transform', div, transform);
}
} else {
div.style.padding = 0;
CustomStyle.setProp('transform', div, divProperties.originalTransform || '');
}
}
}
};
function renderTextLayer(renderParameters) {
var task = new TextLayerRenderTask(renderParameters.textContent, renderParameters.container, renderParameters.viewport, renderParameters.textDivs, renderParameters.enhanceTextSelection);
task._render(renderParameters.timeout);
return task;
}
return renderTextLayer;
}();
exports.renderTextLayer = renderTextLayer;
/***/ }),
/* 6 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
var g;
g = function () {
return this;
}();
try {
g = g || Function("return this")() || (1, eval)("this");
} catch (e) {
if (typeof window === "object") g = window;
}
module.exports = g;
/***/ }),
/* 7 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
var sharedUtil = __w_pdfjs_require__(0);
var error = sharedUtil.error;
function fixMetadata(meta) {
return meta.replace(/>\\376\\377([^<]+)/g, function (all, codes) {
var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
});
var chars = '';
for (var i = 0; i < bytes.length; i += 2) {
var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
chars += code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38 ? String.fromCharCode(code) : '&#x' + (0x10000 + code).toString(16).substring(1) + ';';
}
return '>' + chars;
});
}
function Metadata(meta) {
if (typeof meta === 'string') {
meta = fixMetadata(meta);
var parser = new DOMParser();
meta = parser.parseFromString(meta, 'application/xml');
} else if (!(meta instanceof Document)) {
error('Metadata: Invalid metadata object');
}
this.metaDocument = meta;
this.metadata = Object.create(null);
this.parse();
}
Metadata.prototype = {
parse: function Metadata_parse() {
var doc = this.metaDocument;
var rdf = doc.documentElement;
if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
rdf = rdf.firstChild;
while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
rdf = rdf.nextSibling;
}
}
var nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
return;
}
var children = rdf.childNodes,
desc,
entry,
name,
i,
ii,
length,
iLength;
for (i = 0, length = children.length; i < length; i++) {
desc = children[i];
if (desc.nodeName.toLowerCase() !== 'rdf:description') {
continue;
}
for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {
entry = desc.childNodes[ii];
name = entry.nodeName.toLowerCase();
this.metadata[name] = entry.textContent.trim();
}
}
}
},
get: function Metadata_get(name) {
return this.metadata[name] || null;
},
has: function Metadata_has(name) {
return typeof this.metadata[name] !== 'undefined';
}
};
exports.Metadata = Metadata;
/***/ }),
/* 8 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
var sharedUtil = __w_pdfjs_require__(0);
var displayDOMUtils = __w_pdfjs_require__(1);
var shadow = sharedUtil.shadow;
var getDefaultSetting = displayDOMUtils.getDefaultSetting;
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;
}
function 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;
}
return {
get isEnabled() {
if (getDefaultSetting('disableWebGL')) {
return false;
}
var enabled = false;
try {
generateGL();
enabled = !!currentGL;
} catch (e) {}
return shadow(this, 'isEnabled', enabled);
},
composeSMask: composeSMask,
drawFigures: drawFigures,
clear: cleanup
};
}();
exports.WebGLUtils = WebGLUtils;
/***/ }),
/* 9 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
var sharedUtil = __w_pdfjs_require__(0);
var displayDOMUtils = __w_pdfjs_require__(1);
var displayAPI = __w_pdfjs_require__(3);
var displayAnnotationLayer = __w_pdfjs_require__(2);
var displayTextLayer = __w_pdfjs_require__(5);
var displayMetadata = __w_pdfjs_require__(7);
var displaySVG = __w_pdfjs_require__(4);
var globalScope = sharedUtil.globalScope;
var deprecated = sharedUtil.deprecated;
var warn = sharedUtil.warn;
var LinkTarget = displayDOMUtils.LinkTarget;
var DEFAULT_LINK_REL = displayDOMUtils.DEFAULT_LINK_REL;
var isWorker = typeof window === 'undefined';
if (!globalScope.PDFJS) {
globalScope.PDFJS = {};
}
var PDFJS = globalScope.PDFJS;
PDFJS.version = '1.8.172';
PDFJS.build = '8ff1fbe7';
PDFJS.pdfBug = false;
if (PDFJS.verbosity !== undefined) {
sharedUtil.setVerbosityLevel(PDFJS.verbosity);
}
delete PDFJS.verbosity;
Object.defineProperty(PDFJS, 'verbosity', {
get: function () {
return sharedUtil.getVerbosityLevel();
},
set: function (level) {
sharedUtil.setVerbosityLevel(level);
},
enumerable: true,
configurable: true
});
PDFJS.VERBOSITY_LEVELS = sharedUtil.VERBOSITY_LEVELS;
PDFJS.OPS = sharedUtil.OPS;
PDFJS.UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES;
PDFJS.isValidUrl = displayDOMUtils.isValidUrl;
PDFJS.shadow = sharedUtil.shadow;
PDFJS.createBlob = sharedUtil.createBlob;
PDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) {
return sharedUtil.createObjectURL(data, contentType, PDFJS.disableCreateObjectURL);
};
Object.defineProperty(PDFJS, 'isLittleEndian', {
configurable: true,
get: function PDFJS_isLittleEndian() {
var value = sharedUtil.isLittleEndian();
return sharedUtil.shadow(PDFJS, 'isLittleEndian', value);
}
});
PDFJS.removeNullCharacters = sharedUtil.removeNullCharacters;
PDFJS.PasswordResponses = sharedUtil.PasswordResponses;
PDFJS.PasswordException = sharedUtil.PasswordException;
PDFJS.UnknownErrorException = sharedUtil.UnknownErrorException;
PDFJS.InvalidPDFException = sharedUtil.InvalidPDFException;
PDFJS.MissingPDFException = sharedUtil.MissingPDFException;
PDFJS.UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
PDFJS.Util = sharedUtil.Util;
PDFJS.PageViewport = sharedUtil.PageViewport;
PDFJS.createPromiseCapability = sharedUtil.createPromiseCapability;
PDFJS.maxImageSize = PDFJS.maxImageSize === undefined ? -1 : PDFJS.maxImageSize;
PDFJS.cMapUrl = PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl;
PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked;
PDFJS.disableFontFace = PDFJS.disableFontFace === undefined ? false : PDFJS.disableFontFace;
PDFJS.imageResourcesPath = PDFJS.imageResourcesPath === undefined ? '' : PDFJS.imageResourcesPath;
PDFJS.disableWorker = PDFJS.disableWorker === undefined ? false : PDFJS.disableWorker;
PDFJS.workerSrc = PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc;
PDFJS.workerPort = PDFJS.workerPort === undefined ? null : PDFJS.workerPort;
PDFJS.disableRange = PDFJS.disableRange === undefined ? false : PDFJS.disableRange;
PDFJS.disableStream = PDFJS.disableStream === undefined ? false : PDFJS.disableStream;
PDFJS.disableAutoFetch = PDFJS.disableAutoFetch === undefined ? false : PDFJS.disableAutoFetch;
PDFJS.pdfBug = PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug;
PDFJS.postMessageTransfers = PDFJS.postMessageTransfers === undefined ? true : PDFJS.postMessageTransfers;
PDFJS.disableCreateObjectURL = PDFJS.disableCreateObjectURL === undefined ? false : PDFJS.disableCreateObjectURL;
PDFJS.disableWebGL = PDFJS.disableWebGL === undefined ? true : PDFJS.disableWebGL;
PDFJS.externalLinkTarget = PDFJS.externalLinkTarget === undefined ? LinkTarget.NONE : PDFJS.externalLinkTarget;
PDFJS.externalLinkRel = PDFJS.externalLinkRel === undefined ? DEFAULT_LINK_REL : PDFJS.externalLinkRel;
PDFJS.isEvalSupported = PDFJS.isEvalSupported === undefined ? true : PDFJS.isEvalSupported;
PDFJS.pdfjsNext = PDFJS.pdfjsNext === undefined ? false : PDFJS.pdfjsNext;
var savedOpenExternalLinksInNewWindow = PDFJS.openExternalLinksInNewWindow;
delete PDFJS.openExternalLinksInNewWindow;
Object.defineProperty(PDFJS, 'openExternalLinksInNewWindow', {
get: function () {
return PDFJS.externalLinkTarget === LinkTarget.BLANK;
},
set: function (value) {
if (value) {
deprecated('PDFJS.openExternalLinksInNewWindow, please use ' + '"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.');
}
if (PDFJS.externalLinkTarget !== LinkTarget.NONE) {
warn('PDFJS.externalLinkTarget is already initialized');
return;
}
PDFJS.externalLinkTarget = value ? LinkTarget.BLANK : LinkTarget.NONE;
},
enumerable: true,
configurable: true
});
if (savedOpenExternalLinksInNewWindow) {
PDFJS.openExternalLinksInNewWindow = savedOpenExternalLinksInNewWindow;
}
PDFJS.getDocument = displayAPI.getDocument;
PDFJS.PDFDataRangeTransport = displayAPI.PDFDataRangeTransport;
PDFJS.PDFWorker = displayAPI.PDFWorker;
Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', {
configurable: true,
get: function PDFJS_hasCanvasTypedArrays() {
var value = displayDOMUtils.hasCanvasTypedArrays();
return sharedUtil.shadow(PDFJS, 'hasCanvasTypedArrays', value);
}
});
PDFJS.CustomStyle = displayDOMUtils.CustomStyle;
PDFJS.LinkTarget = LinkTarget;
PDFJS.addLinkAttributes = displayDOMUtils.addLinkAttributes;
PDFJS.getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
PDFJS.isExternalLinkTargetSet = displayDOMUtils.isExternalLinkTargetSet;
PDFJS.AnnotationLayer = displayAnnotationLayer.AnnotationLayer;
PDFJS.renderTextLayer = displayTextLayer.renderTextLayer;
PDFJS.Metadata = displayMetadata.Metadata;
PDFJS.SVGGraphics = displaySVG.SVGGraphics;
PDFJS.UnsupportedManager = displayAPI._UnsupportedManager;
exports.globalScope = globalScope;
exports.isWorker = isWorker;
exports.PDFJS = globalScope.PDFJS;
/***/ }),
/* 10 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
var sharedUtil = __w_pdfjs_require__(0);
var displayDOMUtils = __w_pdfjs_require__(1);
var displayPatternHelper = __w_pdfjs_require__(12);
var displayWebGL = __w_pdfjs_require__(8);
var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
var ImageKind = sharedUtil.ImageKind;
var OPS = sharedUtil.OPS;
var TextRenderingMode = sharedUtil.TextRenderingMode;
var Uint32ArrayView = sharedUtil.Uint32ArrayView;
var Util = sharedUtil.Util;
var assert = sharedUtil.assert;
var info = sharedUtil.info;
var isNum = sharedUtil.isNum;
var isArray = sharedUtil.isArray;
var isLittleEndian = sharedUtil.isLittleEndian;
var error = sharedUtil.error;
var shadow = sharedUtil.shadow;
var warn = sharedUtil.warn;
var TilingPattern = displayPatternHelper.TilingPattern;
var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR;
var WebGLUtils = displayWebGL.WebGLUtils;
var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays;
var MIN_FONT_SIZE = 16;
var MAX_FONT_SIZE = 100;
var MAX_GROUP_SIZE = 4096;
var MIN_WIDTH_FACTOR = 0.65;
var COMPILE_TYPE3_GLYPHS = true;
var MAX_SIZE_TO_COMPILE = 1000;
var FULL_CHUNK_HEIGHT = 16;
var HasCanvasTypedArraysCached = {
get value() {
return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays());
}
};
var IsLittleEndianCached = {
get value() {
return shadow(IsLittleEndianCached, 'value', isLittleEndian());
}
};
function addContextCurrentTransform(ctx) {
if (!ctx.mozCurrentTransform) {
ctx._originalSave = ctx.save;
ctx._originalRestore = ctx.restore;
ctx._originalRotate = ctx.rotate;
ctx._originalScale = ctx.scale;
ctx._originalTranslate = ctx.translate;
ctx._originalTransform = ctx.transform;
ctx._originalSetTransform = ctx.setTransform;
ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];
ctx._transformStack = [];
Object.defineProperty(ctx, 'mozCurrentTransform', {
get: function getCurrentTransform() {
return this._transformMatrix;
}
});
Object.defineProperty(ctx, 'mozCurrentTransformInverse', {
get: function getCurrentTransformInverse() {
var m = this._transformMatrix;
var a = m[0],
b = m[1],
c = m[2],
d = m[3],
e = m[4],
f = m[5];
var ad_bc = a * d - b * c;
var bc_ad = b * c - a * d;
return [d / ad_bc, b / bc_ad, c / bc_ad, a / ad_bc, (d * e - c * f) / bc_ad, (b * e - a * f) / ad_bc];
}
});
ctx.save = function ctxSave() {
var old = this._transformMatrix;
this._transformStack.push(old);
this._transformMatrix = old.slice(0, 6);
this._originalSave();
};
ctx.restore = function ctxRestore() {
var prev = this._transformStack.pop();
if (prev) {
this._transformMatrix = prev;
this._originalRestore();
}
};
ctx.translate = function ctxTranslate(x, y) {
var m = this._transformMatrix;
m[4] = m[0] * x + m[2] * y + m[4];
m[5] = m[1] * x + m[3] * y + m[5];
this._originalTranslate(x, y);
};
ctx.scale = function ctxScale(x, y) {
var m = this._transformMatrix;
m[0] = m[0] * x;
m[1] = m[1] * x;
m[2] = m[2] * y;
m[3] = m[3] * y;
this._originalScale(x, y);
};
ctx.transform = function ctxTransform(a, b, c, d, e, f) {
var m = this._transformMatrix;
this._transformMatrix = [m[0] * a + m[2] * b, m[1] * a + m[3] * b, m[0] * c + m[2] * d, m[1] * c + m[3] * d, m[0] * e + m[2] * f + m[4], m[1] * e + m[3] * f + m[5]];
ctx._originalTransform(a, b, c, d, e, f);
};
ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
this._transformMatrix = [a, b, c, d, e, f];
ctx._originalSetTransform(a, b, c, d, e, f);
};
ctx.rotate = function ctxRotate(angle) {
var cosValue = Math.cos(angle);
var sinValue = Math.sin(angle);
var m = this._transformMatrix;
this._transformMatrix = [m[0] * cosValue + m[2] * sinValue, m[1] * cosValue + m[3] * sinValue, m[0] * -sinValue + m[2] * cosValue, m[1] * -sinValue + m[3] * cosValue, m[4], m[5]];
this._originalRotate(angle);
};
}
}
var CachedCanvases = function CachedCanvasesClosure() {
function CachedCanvases(canvasFactory) {
this.canvasFactory = canvasFactory;
this.cache = Object.create(null);
}
CachedCanvases.prototype = {
getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) {
var canvasEntry;
if (this.cache[id] !== undefined) {
canvasEntry = this.cache[id];
this.canvasFactory.reset(canvasEntry, width, height);
canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
} else {
canvasEntry = this.canvasFactory.create(width, height);
this.cache[id] = canvasEntry;
}
if (trackTransform) {
addContextCurrentTransform(canvasEntry.context);
}
return canvasEntry;
},
clear: function () {
for (var id in this.cache) {
var canvasEntry = this.cache[id];
this.canvasFactory.destroy(canvasEntry);
delete this.cache[id];
}
}
};
return CachedCanvases;
}();
function compileType3Glyph(imgData) {
var POINT_TO_PROCESS_LIMIT = 1000;
var width = imgData.width,
height = imgData.height;
var i,
j,
j0,
width1 = width + 1;
var points = new Uint8Array(width1 * (height + 1));
var POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
var lineSize = width + 7 & ~7,
data0 = imgData.data;
var data = new Uint8Array(lineSize * height),
pos = 0,
ii;
for (i = 0, ii = data0.length; i < ii; i++) {
var mask = 128,
elem = data0[i];
while (mask > 0) {
data[pos++] = elem & mask ? 0 : 255;
mask >>= 1;
}
}
var count = 0;
pos = 0;
if (data[pos] !== 0) {
points[0] = 1;
++count;
}
for (j = 1; j < width; j++) {
if (data[pos] !== data[pos + 1]) {
points[j] = data[pos] ? 2 : 1;
++count;
}
pos++;
}
if (data[pos] !== 0) {
points[j] = 2;
++count;
}
for (i = 1; i < height; i++) {
pos = i * lineSize;
j0 = i * width1;
if (data[pos - lineSize] !== data[pos]) {
points[j0] = data[pos] ? 1 : 8;
++count;
}
var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
for (j = 1; j < width; j++) {
sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
if (POINT_TYPES[sum]) {
points[j0 + j] = POINT_TYPES[sum];
++count;
}
pos++;
}
if (data[pos - lineSize] !== data[pos]) {
points[j0 + j] = data[pos] ? 2 : 4;
++count;
}
if (count > POINT_TO_PROCESS_LIMIT) {
return null;
}
}
pos = lineSize * (height - 1);
j0 = i * width1;
if (data[pos] !== 0) {
points[j0] = 8;
++count;
}
for (j = 1; j < width; j++) {
if (data[pos] !== data[pos + 1]) {
points[j0 + j] = data[pos] ? 4 : 8;
++count;
}
pos++;
}
if (data[pos] !== 0) {
points[j0 + j] = 4;
++count;
}
if (count > POINT_TO_PROCESS_LIMIT) {
return null;
}
var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
var outlines = [];
for (i = 0; count && i <= height; i++) {
var p = i * width1;
var end = p + width;
while (p < end && !points[p]) {
p++;
}
if (p === end) {
continue;
}
var coords = [p % width1, i];
var type = points[p],
p0 = p,
pp;
do {
var step = steps[type];
do {
p += step;
} while (!points[p]);
pp = points[p];
if (pp !== 5 && pp !== 10) {
type = pp;
points[p] = 0;
} else {
type = pp & 0x33 * type >> 4;
points[p] &= type >> 2 | type << 2;
}
coords.push(p % width1);
coords.push(p / width1 | 0);
--count;
} while (p0 !== p);
outlines.push(coords);
--i;
}
var drawOutline = function (c) {
c.save();
c.scale(1 / width, -1 / height);
c.translate(0, -height);
c.beginPath();
for (var i = 0, ii = outlines.length; i < ii; i++) {
var o = outlines[i];
c.moveTo(o[0], o[1]);
for (var j = 2, jj = o.length; j < jj; j += 2) {
c.lineTo(o[j], o[j + 1]);
}
}
c.fill();
c.beginPath();
c.restore();
};
return drawOutline;
}
var CanvasExtraState = function CanvasExtraStateClosure() {
function CanvasExtraState(old) {
this.alphaIsShape = false;
this.fontSize = 0;
this.fontSizeScale = 1;
this.textMatrix = IDENTITY_MATRIX;
this.textMatrixScale = 1;
this.fontMatrix = FONT_IDENTITY_MATRIX;
this.leading = 0;
this.x = 0;
this.y = 0;
this.lineX = 0;
this.lineY = 0;
this.charSpacing = 0;
this.wordSpacing = 0;
this.textHScale = 1;
this.textRenderingMode = TextRenderingMode.FILL;
this.textRise = 0;
this.fillColor = '#000000';
this.strokeColor = '#000000';
this.patternFill = false;
this.fillAlpha = 1;
this.strokeAlpha = 1;
this.lineWidth = 1;
this.activeSMask = null;
this.resumeSMaskCtx = null;
this.old = old;
}
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, imageLayer) {
this.ctx = canvasCtx;
this.current = new CanvasExtraState();
this.stateStack = [];
this.pendingClip = null;
this.pendingEOFill = false;
this.res = null;
this.xobjs = null;
this.commonObjs = commonObjs;
this.objs = objs;
this.canvasFactory = canvasFactory;
this.imageLayer = imageLayer;
this.groupStack = [];
this.processingType3 = null;
this.baseTransform = null;
this.baseTransformStack = [];
this.groupLevel = 0;
this.smaskStack = [];
this.smaskCounter = 0;
this.tempSMask = null;
this.cachedCanvases = new CachedCanvases(this.canvasFactory);
if (canvasCtx) {
addContextCurrentTransform(canvasCtx);
}
this.cachedGetSinglePixelWidth = null;
}
function putBinaryImageData(ctx, imgData) {
if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) {
ctx.putImageData(imgData, 0, 0);
return;
}
var height = imgData.height,
width = imgData.width;
var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
var srcPos = 0,
destPos;
var src = imgData.data;
var dest = chunkImgData.data;
var i, j, thisChunkHeight, elemsInThisChunk;
if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {
var srcLength = src.byteLength;
var dest32 = HasCanvasTypedArraysCached.value ? new Uint32Array(dest.buffer) : new Uint32ArrayView(dest);
var dest32DataLength = dest32.length;
var fullSrcDiff = width + 7 >> 3;
var white = 0xFFFFFFFF;
var black = IsLittleEndianCached.value || !HasCanvasTypedArraysCached.value ? 0xFF000000 : 0x000000FF;
for (i = 0; i < totalChunks; i++) {
thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
destPos = 0;
for (j = 0; j < thisChunkHeight; j++) {
var srcDiff = srcLength - srcPos;
var k = 0;
var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
var kEndUnrolled = kEnd & ~7;
var mask = 0;
var srcByte = 0;
for (; k < kEndUnrolled; k += 8) {
srcByte = src[srcPos++];
dest32[destPos++] = srcByte & 128 ? white : black;
dest32[destPos++] = srcByte & 64 ? white : black;
dest32[destPos++] = srcByte & 32 ? white : black;
dest32[destPos++] = srcByte & 16 ? white : black;
dest32[destPos++] = srcByte & 8 ? white : black;
dest32[destPos++] = srcByte & 4 ? white : black;
dest32[destPos++] = srcByte & 2 ? white : black;
dest32[destPos++] = srcByte & 1 ? white : black;
}
for (; k < kEnd; k++) {
if (mask === 0) {
srcByte = src[srcPos++];
mask = 128;
}
dest32[destPos++] = srcByte & mask ? white : black;
mask >>= 1;
}
}
while (destPos < dest32DataLength) {
dest32[destPos++] = 0;
}
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
}
} else if (imgData.kind === ImageKind.RGBA_32BPP) {
j = 0;
elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
for (i = 0; i < fullChunks; i++) {
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
srcPos += elemsInThisChunk;
ctx.putImageData(chunkImgData, 0, j);
j += FULL_CHUNK_HEIGHT;
}
if (i < totalChunks) {
elemsInThisChunk = width * partialChunkHeight * 4;
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
ctx.putImageData(chunkImgData, 0, j);
}
} else if (imgData.kind === ImageKind.RGB_24BPP) {
thisChunkHeight = FULL_CHUNK_HEIGHT;
elemsInThisChunk = width * thisChunkHeight;
for (i = 0; i < totalChunks; i++) {
if (i >= fullChunks) {
thisChunkHeight = partialChunkHeight;
elemsInThisChunk = width * thisChunkHeight;
}
destPos = 0;
for (j = elemsInThisChunk; j--;) {
dest[destPos++] = src[srcPos++];
dest[destPos++] = src[srcPos++];
dest[destPos++] = src[srcPos++];
dest[destPos++] = 255;
}
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
}
} else {
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 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) {
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 && WebGLUtils.isEnabled) {
var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask, {
subtype: smask.subtype,
backdrop: 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: function CanvasGraphics_beginDrawing(transform, viewport, transparency) {
var width = this.ctx.canvas.width;
var height = this.ctx.canvas.height;
this.ctx.save();
this.ctx.fillStyle = '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();
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 !== OPS.dependency) {
this[fnId].apply(this, argsArray[i]);
} else {
var deps = argsArray[i];
for (var n = 0, nn = deps.length; n < nn; n++) {
var depObjId = deps[n];
var common = depObjId[0] === 'g' && depObjId[1] === '_';
var objsPool = common ? commonObjs : objs;
if (!objsPool.isResolved(depObjId)) {
objsPool.get(depObjId, continueCallback);
return i;
}
}
}
i++;
if (i === argsArrayLen) {
return i;
}
if (chunkOperations && ++steps > EXECUTION_STEPS) {
if (Date.now() > endTime) {
continueCallback();
return i;
}
steps = 0;
}
}
},
endDrawing: function CanvasGraphics_endDrawing() {
if (this.current.activeSMask !== null) {
this.endSMaskGroup();
}
this.ctx.restore();
if (this.transparentCanvas) {
this.ctx = this.compositeCtx;
this.ctx.save();
this.ctx.setTransform(1, 0, 0, 1, 0, 0);
this.ctx.drawImage(this.transparentCanvas, 0, 0);
this.ctx.restore();
this.transparentCanvas = null;
}
this.cachedCanvases.clear();
WebGLUtils.clear();
if (this.imageLayer) {
this.imageLayer.endLayout();
}
},
setLineWidth: function CanvasGraphics_setLineWidth(width) {
this.current.lineWidth = width;
this.ctx.lineWidth = width;
},
setLineCap: function CanvasGraphics_setLineCap(style) {
this.ctx.lineCap = LINE_CAP_STYLES[style];
},
setLineJoin: function CanvasGraphics_setLineJoin(style) {
this.ctx.lineJoin = LINE_JOIN_STYLES[style];
},
setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
this.ctx.miterLimit = limit;
},
setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
var ctx = this.ctx;
if (ctx.setLineDash !== undefined) {
ctx.setLineDash(dashArray);
ctx.lineDashOffset = dashPhase;
}
},
setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) {},
setFlatness: function CanvasGraphics_setFlatness(flatness) {},
setGState: function CanvasGraphics_setGState(states) {
for (var i = 0, ii = states.length; i < ii; i++) {
var state = states[i];
var key = state[0];
var value = state[1];
switch (key) {
case 'LW':
this.setLineWidth(value);
break;
case 'LC':
this.setLineCap(value);
break;
case 'LJ':
this.setLineJoin(value);
break;
case 'ML':
this.setMiterLimit(value);
break;
case 'D':
this.setDash(value[0], value[1]);
break;
case 'RI':
this.setRenderingIntent(value);
break;
case 'FL':
this.setFlatness(value);
break;
case 'Font':
this.setFont(value[0], value[1]);
break;
case 'CA':
this.current.strokeAlpha = state[1];
break;
case 'ca':
this.current.fillAlpha = state[1];
this.ctx.globalAlpha = state[1];
break;
case 'BM':
if (value && value.name && value.name !== 'Normal') {
var mode = value.name.replace(/([A-Z])/g, function (c) {
return '-' + c.toLowerCase();
}).substring(1);
this.ctx.globalCompositeOperation = mode;
if (this.ctx.globalCompositeOperation !== mode) {
warn('globalCompositeOperation "' + mode + '" is not supported');
}
} else {
this.ctx.globalCompositeOperation = 'source-over';
}
break;
case 'SMask':
if (this.current.activeSMask) {
if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) {
this.suspendSMaskGroup();
} else {
this.endSMaskGroup();
}
}
this.current.activeSMask = value ? this.tempSMask : null;
if (this.current.activeSMask) {
this.beginSMaskGroup();
}
this.tempSMask = null;
break;
}
}
},
beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
var activeSMask = this.current.activeSMask;
var drawnWidth = activeSMask.canvas.width;
var drawnHeight = activeSMask.canvas.height;
var cacheId = 'smaskGroupAt' + this.groupLevel;
var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
var currentCtx = this.ctx;
var currentTransform = currentCtx.mozCurrentTransform;
this.ctx.save();
var groupCtx = scratchCanvas.context;
groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);
groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);
groupCtx.transform.apply(groupCtx, currentTransform);
activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;
copyCtxState(currentCtx, groupCtx);
this.ctx = groupCtx;
this.setGState([['BM', 'Normal'], ['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.ctx.restore();
this.ctx.save();
copyCtxState(groupCtx, this.ctx);
this.current.resumeSMaskCtx = groupCtx;
var deltaTransform = 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.ctx.restore();
copyCtxState(groupCtx, this.ctx);
var deltaTransform = 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 OPS.rectangle:
x = args[j++];
y = args[j++];
var width = args[j++];
var height = args[j++];
if (width === 0) {
width = this.getSinglePixelWidth();
}
if (height === 0) {
height = this.getSinglePixelWidth();
}
var xw = x + width;
var yh = y + height;
this.ctx.moveTo(x, y);
this.ctx.lineTo(xw, y);
this.ctx.lineTo(xw, yh);
this.ctx.lineTo(x, yh);
this.ctx.lineTo(x, y);
this.ctx.closePath();
break;
case OPS.moveTo:
x = args[j++];
y = args[j++];
ctx.moveTo(x, y);
break;
case OPS.lineTo:
x = args[j++];
y = args[j++];
ctx.lineTo(x, y);
break;
case 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 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 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 OPS.closePath:
ctx.closePath();
break;
}
}
current.setCurrentPoint(x, y);
},
closePath: function CanvasGraphics_closePath() {
this.ctx.closePath();
},
stroke: function CanvasGraphics_stroke(consumePath) {
consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
var ctx = this.ctx;
var strokeColor = this.current.strokeColor;
ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
ctx.globalAlpha = this.current.strokeAlpha;
if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') {
ctx.save();
ctx.strokeStyle = strokeColor.getPattern(ctx, this);
ctx.stroke();
ctx.restore();
} else {
ctx.stroke();
}
if (consumePath) {
this.consumePath();
}
ctx.globalAlpha = this.current.fillAlpha;
},
closeStroke: function CanvasGraphics_closeStroke() {
this.closePath();
this.stroke();
},
fill: function CanvasGraphics_fill(consumePath) {
consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
var ctx = this.ctx;
var fillColor = this.current.fillColor;
var isPatternFill = this.current.patternFill;
var needRestore = false;
if (isPatternFill) {
ctx.save();
if (this.baseTransform) {
ctx.setTransform.apply(ctx, this.baseTransform);
}
ctx.fillStyle = fillColor.getPattern(ctx, this);
needRestore = true;
}
if (this.pendingEOFill) {
ctx.fill('evenodd');
this.pendingEOFill = false;
} else {
ctx.fill();
}
if (needRestore) {
ctx.restore();
}
if (consumePath) {
this.consumePath();
}
},
eoFill: function CanvasGraphics_eoFill() {
this.pendingEOFill = true;
this.fill();
},
fillStroke: function CanvasGraphics_fillStroke() {
this.fill(false);
this.stroke(false);
this.consumePath();
},
eoFillStroke: function CanvasGraphics_eoFillStroke() {
this.pendingEOFill = true;
this.fillStroke();
},
closeFillStroke: function CanvasGraphics_closeFillStroke() {
this.closePath();
this.fillStroke();
},
closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
this.pendingEOFill = true;
this.closePath();
this.fillStroke();
},
endPath: function CanvasGraphics_endPath() {
this.consumePath();
},
clip: function CanvasGraphics_clip() {
this.pendingClip = NORMAL_CLIP;
},
eoClip: function CanvasGraphics_eoClip() {
this.pendingClip = EO_CLIP;
},
beginText: function CanvasGraphics_beginText() {
this.current.textMatrix = 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) {
error('Can\'t find font for ' + fontRefName);
}
current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : FONT_IDENTITY_MATRIX;
if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
warn('Invalid font matrix for font ' + fontRefName);
}
if (size < 0) {
size = -size;
current.fontDirection = -1;
} else {
current.fontDirection = 1;
}
this.current.font = fontObj;
this.current.fontSize = size;
if (fontObj.isType3Font) {
return;
}
var name = fontObj.loadedName || 'sans-serif';
var bold = fontObj.black ? '900' : fontObj.bold ? 'bold' : 'normal';
var italic = fontObj.italic ? 'italic' : 'normal';
var typeface = '"' + name + '", ' + fontObj.fallbackName;
var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size;
this.current.fontSizeScale = size / browserFontSize;
var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface;
this.ctx.font = rule;
},
setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
this.current.textRenderingMode = mode;
},
setTextRise: function CanvasGraphics_setTextRise(rise) {
this.current.textRise = rise;
},
moveText: function CanvasGraphics_moveText(x, y) {
this.current.x = this.current.lineX += x;
this.current.y = this.current.lineY += y;
},
setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
this.setLeading(-y);
this.moveText(x, y);
},
setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
this.current.textMatrix = [a, b, c, d, e, f];
this.current.textMatrixScale = Math.sqrt(a * a + b * b);
this.current.x = this.current.lineX = 0;
this.current.y = this.current.lineY = 0;
},
nextLine: function CanvasGraphics_nextLine() {
this.moveText(0, this.current.leading);
},
paintChar: function CanvasGraphics_paintChar(character, x, y) {
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 & TextRenderingMode.FILL_STROKE_MASK;
var isAddToPathSet = !!(textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG);
var addToPath;
if (font.disableFontFace || isAddToPathSet) {
addToPath = font.getPathGenerator(this.commonObjs, character);
}
if (font.disableFontFace) {
ctx.save();
ctx.translate(x, y);
ctx.beginPath();
addToPath(ctx, fontSize);
if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
ctx.fill();
}
if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
ctx.stroke();
}
ctx.restore();
} else {
if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
ctx.fillText(character, x, y);
}
if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
ctx.strokeText(character, x, y);
}
}
if (isAddToPathSet) {
var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
paths.push({
transform: ctx.mozCurrentTransform,
x: x,
y: y,
fontSize: fontSize,
addToPath: addToPath
});
}
},
get isFontSubpixelAAEnabled() {
var ctx = this.canvasFactory.create(10, 10).context;
ctx.scale(1.5, 1);
ctx.fillText('I', 0, 10);
var data = ctx.getImageData(0, 0, 10, 10).data;
var enabled = false;
for (var i = 3; i < data.length; i += 4) {
if (data[i] > 0 && data[i] < 255) {
enabled = true;
break;
}
}
return shadow(this, 'isFontSubpixelAAEnabled', enabled);
},
showText: function CanvasGraphics_showText(glyphs) {
var current = this.current;
var font = current.font;
if (font.isType3Font) {
return this.showType3Text(glyphs);
}
var fontSize = current.fontSize;
if (fontSize === 0) {
return;
}
var ctx = this.ctx;
var fontSizeScale = current.fontSizeScale;
var charSpacing = current.charSpacing;
var wordSpacing = current.wordSpacing;
var fontDirection = current.fontDirection;
var textHScale = current.textHScale * fontDirection;
var glyphsLength = glyphs.length;
var vertical = font.vertical;
var spacingDir = vertical ? 1 : -1;
var defaultVMetrics = font.defaultVMetrics;
var widthAdvanceScale = fontSize * current.fontMatrix[0];
var simpleFillText = current.textRenderingMode === TextRenderingMode.FILL && !font.disableFontFace;
ctx.save();
ctx.transform.apply(ctx, current.textMatrix);
ctx.translate(current.x, current.y + current.textRise);
if (current.patternFill) {
ctx.fillStyle = current.fillColor.getPattern(ctx, this);
}
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 & TextRenderingMode.FILL_STROKE_MASK;
if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === 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 (isNum(glyph)) {
x += spacingDir * glyph * fontSize / 1000;
continue;
}
var restoreNeeded = false;
var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
var character = glyph.fontChar;
var accent = glyph.accent;
var scaledX, scaledY, scaledAccentX, scaledAccentY;
var width = glyph.width;
if (vertical) {
var vmetric, vx, vy;
vmetric = glyph.vmetric || defaultVMetrics;
vx = glyph.vmetric ? vmetric[1] : width * 0.5;
vx = -vx * widthAdvanceScale;
vy = vmetric[2] * widthAdvanceScale;
width = vmetric ? -vmetric[0] : width;
scaledX = vx / fontSizeScale;
scaledY = (x + vy) / fontSizeScale;
} else {
scaledX = x / fontSizeScale;
scaledY = 0;
}
if (font.remeasure && width > 0) {
var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
var characterScaleX = width / measuredWidth;
restoreNeeded = true;
ctx.save();
ctx.scale(characterScaleX, 1);
scaledX /= characterScaleX;
} else if (width !== measuredWidth) {
scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
}
}
if (glyph.isInFont || font.missingFile) {
if (simpleFillText && !accent) {
ctx.fillText(character, scaledX, scaledY);
} else {
this.paintChar(character, scaledX, scaledY);
if (accent) {
scaledAccentX = scaledX + accent.offset.x / fontSizeScale;
scaledAccentY = scaledY - accent.offset.y / fontSizeScale;
this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY);
}
}
}
var charWidth = width * widthAdvanceScale + spacing * fontDirection;
x += charWidth;
if (restoreNeeded) {
ctx.restore();
}
}
if (vertical) {
current.y -= x * textHScale;
} else {
current.x += x * textHScale;
}
ctx.restore();
},
showType3Text: function CanvasGraphics_showType3Text(glyphs) {
var ctx = this.ctx;
var current = this.current;
var font = current.font;
var fontSize = current.fontSize;
var fontDirection = current.fontDirection;
var spacingDir = font.vertical ? 1 : -1;
var charSpacing = current.charSpacing;
var wordSpacing = current.wordSpacing;
var textHScale = current.textHScale * fontDirection;
var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX;
var glyphsLength = glyphs.length;
var isTextInvisible = current.textRenderingMode === 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 (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) {
warn('Type3 character \"' + glyph.operatorListId + '\" is not available');
continue;
}
this.processingType3 = glyph;
this.save();
ctx.scale(fontSize, fontSize);
ctx.transform.apply(ctx, fontMatrix);
this.executeOperatorList(operatorList);
this.restore();
var transformed = Util.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 self = this;
var canvasGraphicsFactory = {
createCanvasGraphics: function (ctx) {
return new CanvasGraphics(ctx, self.commonObjs, self.objs, self.canvasFactory);
}
};
pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
} else {
pattern = 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.makeCssRgb(r, g, b);
this.ctx.strokeStyle = color;
this.current.strokeColor = color;
},
setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
var color = Util.makeCssRgb(r, g, b);
this.ctx.fillStyle = color;
this.current.fillColor = color;
this.current.patternFill = false;
},
shadingFill: function CanvasGraphics_shadingFill(patternIR) {
var ctx = this.ctx;
this.save();
var pattern = 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.applyTransform([0, 0], inv);
var br = Util.applyTransform([0, height], inv);
var ul = Util.applyTransform([width, 0], inv);
var ur = 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() {
error('Should not call beginInlineImage');
},
beginImageData: function CanvasGraphics_beginImageData() {
error('Should not call beginImageData');
},
paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) {
this.save();
this.baseTransformStack.push(this.baseTransform);
if (isArray(matrix) && matrix.length === 6) {
this.transform.apply(this, matrix);
}
this.baseTransform = this.ctx.mozCurrentTransform;
if (isArray(bbox) && bbox.length === 4) {
var width = bbox[2] - bbox[0];
var height = bbox[3] - bbox[1];
this.ctx.rect(bbox[0], bbox[1], width, height);
this.clip();
this.endPath();
}
},
paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
this.restore();
this.baseTransform = this.baseTransformStack.pop();
},
beginGroup: function CanvasGraphics_beginGroup(group) {
this.save();
var currentCtx = this.ctx;
if (!group.isolated) {
info('TODO: Support non-isolated groups.');
}
if (group.knockout) {
warn('Knockout groups not supported.');
}
var currentTransform = currentCtx.mozCurrentTransform;
if (group.matrix) {
currentCtx.transform.apply(currentCtx, group.matrix);
}
assert(group.bbox, 'Bounding box is required.');
var bounds = Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
var canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
bounds = 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: offsetX,
offsetY: offsetY,
scaleX: scaleX,
scaleY: 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', 'Normal'], ['ca', 1], ['CA', 1]]);
this.groupStack.push(currentCtx);
this.groupLevel++;
this.current.activeSMask = null;
},
endGroup: function CanvasGraphics_endGroup(group) {
this.groupLevel--;
var groupCtx = this.ctx;
this.ctx = this.groupStack.pop();
if (this.ctx.imageSmoothingEnabled !== undefined) {
this.ctx.imageSmoothingEnabled = false;
} else {
this.ctx.mozImageSmoothingEnabled = false;
}
if (group.smask) {
this.tempSMask = this.smaskStack.pop();
} else {
this.ctx.drawImage(groupCtx.canvas, 0, 0);
}
this.restore();
},
beginAnnotations: function CanvasGraphics_beginAnnotations() {
this.save();
this.current = new CanvasExtraState();
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();
if (isArray(rect) && rect.length === 4) {
var width = rect[2] - rect[0];
var height = rect[3] - rect[1];
this.ctx.rect(rect[0], rect[1], width, height);
this.clip();
this.endPath();
}
this.transform.apply(this, transform);
this.transform.apply(this, matrix);
},
endAnnotation: function CanvasGraphics_endAnnotation() {
this.restore();
},
paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {
var domImage = this.objs.get(objId);
if (!domImage) {
warn('Dependent image isn\'t ready yet');
return;
}
this.save();
var ctx = this.ctx;
ctx.scale(1 / w, -1 / h);
ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h);
if (this.imageLayer) {
var currentTransform = ctx.mozCurrentTransformInverse;
var position = this.getCanvasPosition(0, 0);
this.imageLayer.appendImage({
objId: objId,
left: position[0],
top: position[1],
width: w / currentTransform[0],
height: h / currentTransform[3]
});
}
this.restore();
},
paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
var ctx = this.ctx;
var width = img.width,
height = img.height;
var fillColor = this.current.fillColor;
var isPatternFill = this.current.patternFill;
var glyph = this.processingType3;
if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
glyph.compiled = compileType3Glyph({
data: img.data,
width: width,
height: height
});
} else {
glyph.compiled = null;
}
}
if (glyph && glyph.compiled) {
glyph.compiled(ctx);
return;
}
var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
var maskCtx = maskCanvas.context;
maskCtx.save();
putBinaryImageMask(maskCtx, img);
maskCtx.globalCompositeOperation = 'source-in';
maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
maskCtx.fillRect(0, 0, width, height);
maskCtx.restore();
this.paintInlineImageXObject(maskCanvas.canvas);
},
paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) {
var width = imgData.width;
var height = imgData.height;
var fillColor = this.current.fillColor;
var isPatternFill = this.current.patternFill;
var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
var maskCtx = maskCanvas.context;
maskCtx.save();
putBinaryImageMask(maskCtx, imgData);
maskCtx.globalCompositeOperation = 'source-in';
maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
maskCtx.fillRect(0, 0, width, height);
maskCtx.restore();
var ctx = this.ctx;
for (var i = 0, ii = positions.length; i < ii; i += 2) {
ctx.save();
ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]);
ctx.scale(1, -1);
ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
ctx.restore();
}
},
paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
var ctx = this.ctx;
var fillColor = this.current.fillColor;
var isPatternFill = this.current.patternFill;
for (var i = 0, ii = images.length; i < ii; i++) {
var image = images[i];
var width = image.width,
height = image.height;
var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
var maskCtx = maskCanvas.context;
maskCtx.save();
putBinaryImageMask(maskCtx, image);
maskCtx.globalCompositeOperation = 'source-in';
maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
maskCtx.fillRect(0, 0, width, height);
maskCtx.restore();
ctx.save();
ctx.transform.apply(ctx, image.transform);
ctx.scale(1, -1);
ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
ctx.restore();
}
},
paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
var imgData = this.objs.get(objId);
if (!imgData) {
warn('Dependent image isn\'t ready yet');
return;
}
this.paintInlineImageXObject(imgData);
},
paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
var imgData = this.objs.get(objId);
if (!imgData) {
warn('Dependent image isn\'t ready yet');
return;
}
var width = imgData.width;
var height = imgData.height;
var map = [];
for (var i = 0, ii = positions.length; i < ii; i += 2) {
map.push({
transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],
x: 0,
y: 0,
w: width,
h: height
});
}
this.paintInlineImageXObjectGroup(imgData, map);
},
paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) {
var width = imgData.width;
var height = imgData.height;
var ctx = this.ctx;
this.save();
ctx.scale(1 / width, -1 / height);
var currentTransform = ctx.mozCurrentTransformInverse;
var a = currentTransform[0],
b = currentTransform[1];
var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
var c = currentTransform[2],
d = currentTransform[3];
var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
var imgToPaint, tmpCanvas;
if (imgData instanceof HTMLElement || !imgData.data) {
imgToPaint = imgData;
} else {
tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height);
var tmpCtx = tmpCanvas.context;
putBinaryImageData(tmpCtx, imgData);
imgToPaint = tmpCanvas.canvas;
}
var paintWidth = width,
paintHeight = height;
var tmpCanvasId = 'prescale1';
while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
var newWidth = paintWidth,
newHeight = paintHeight;
if (widthScale > 2 && paintWidth > 1) {
newWidth = Math.ceil(paintWidth / 2);
widthScale /= paintWidth / newWidth;
}
if (heightScale > 2 && paintHeight > 1) {
newHeight = Math.ceil(paintHeight / 2);
heightScale /= paintHeight / newHeight;
}
tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
tmpCtx = tmpCanvas.context;
tmpCtx.clearRect(0, 0, newWidth, newHeight);
tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
imgToPaint = tmpCanvas.canvas;
paintWidth = newWidth;
paintHeight = newHeight;
tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1';
}
ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height);
if (this.imageLayer) {
var position = this.getCanvasPosition(0, -height);
this.imageLayer.appendImage({
imgData: imgData,
left: position[0],
top: position[1],
width: width / currentTransform[0],
height: height / currentTransform[3]
});
}
this.restore();
},
paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
var ctx = this.ctx;
var w = imgData.width;
var h = imgData.height;
var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h);
var tmpCtx = tmpCanvas.context;
putBinaryImageData(tmpCtx, imgData);
for (var i = 0, ii = map.length; i < ii; i++) {
var entry = map[i];
ctx.save();
ctx.transform.apply(ctx, entry.transform);
ctx.scale(1, -1);
ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
if (this.imageLayer) {
var position = this.getCanvasPosition(entry.x, entry.y);
this.imageLayer.appendImage({
imgData: imgData,
left: position[0],
top: position[1],
width: w,
height: h
});
}
ctx.restore();
}
},
paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
this.ctx.fillRect(0, 0, 1, 1);
},
paintXObject: function CanvasGraphics_paintXObject() {
warn('Unsupported \'paintXObject\' command.');
},
markPoint: function CanvasGraphics_markPoint(tag) {},
markPointProps: function CanvasGraphics_markPointProps(tag, properties) {},
beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {},
beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {},
endMarkedContent: function CanvasGraphics_endMarkedContent() {},
beginCompat: function CanvasGraphics_beginCompat() {},
endCompat: function CanvasGraphics_endCompat() {},
consumePath: function CanvasGraphics_consumePath() {
var ctx = this.ctx;
if (this.pendingClip) {
if (this.pendingClip === EO_CLIP) {
ctx.clip('evenodd');
} else {
ctx.clip();
}
this.pendingClip = null;
}
ctx.beginPath();
},
getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) {
if (this.cachedGetSinglePixelWidth === null) {
this.ctx.save();
var inverse = this.ctx.mozCurrentTransformInverse;
this.ctx.restore();
this.cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3]));
}
return this.cachedGetSinglePixelWidth;
},
getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
var transform = this.ctx.mozCurrentTransform;
return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]];
}
};
for (var op in OPS) {
CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op];
}
return CanvasGraphics;
}();
exports.CanvasGraphics = CanvasGraphics;
/***/ }),
/* 11 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
var sharedUtil = __w_pdfjs_require__(0);
var assert = sharedUtil.assert;
var bytesToString = sharedUtil.bytesToString;
var string32 = sharedUtil.string32;
var shadow = sharedUtil.shadow;
var warn = sharedUtil.warn;
function FontLoader(docId) {
this.docId = docId;
this.styleElement = null;
this.nativeFontFaces = [];
this.loadTestFontId = 0;
this.loadingContext = {
requests: [],
nextRequestId: 0
};
}
FontLoader.prototype = {
insertRule: function fontLoaderInsertRule(rule) {
var styleElement = this.styleElement;
if (!styleElement) {
styleElement = this.styleElement = document.createElement('style');
styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId;
document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement);
}
var styleSheet = styleElement.sheet;
styleSheet.insertRule(rule, styleSheet.cssRules.length);
},
clear: function fontLoaderClear() {
if (this.styleElement) {
this.styleElement.remove();
this.styleElement = null;
}
this.nativeFontFaces.forEach(function (nativeFontFace) {
document.fonts.delete(nativeFontFace);
});
this.nativeFontFaces.length = 0;
}
};
var getLoadTestFont = function () {
return atob('T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQAFQ' + 'AABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAAALwA' + 'AAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgAAAAGbm' + 'FtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1AAsD6AAA' + 'AADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD6AAAAAAD6A' + 'ABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACMAooCvAAAAeAA' + 'MQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4DIP84AFoDIQAAAA' + 'AAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAAAAEAAQAAAAEAAAAA' + 'AAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUAAQAAAAEAAAAAAAYAAQ' + 'AAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgABAAMAAQQJAAMAAgABAAMA' + 'AQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABYAAAAAAAAAwAAAAMAAAAcAA' + 'EAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAAAC7////TAAEAAAAAAAABBgAA' + 'AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAA' + 'AAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAAAAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgc' + 'A/gXBIwMAYuL+nz5tQXkD5j3CBLnEQACAQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWF' + 'hYWFhYWFhYAAABAQAADwACAQEEE/t3Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQA' + 'AAAAAAABAAAAAMmJbzEAAAAAzgTjFQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAg' + 'ABAAAAAAAAAAAD6AAAAAAAAA==');
};
Object.defineProperty(FontLoader.prototype, 'loadTestFont', {
get: function () {
return shadow(this, 'loadTestFont', getLoadTestFont());
},
configurable: true
});
FontLoader.prototype.addNativeFontFace = function fontLoader_addNativeFontFace(nativeFontFace) {
this.nativeFontFaces.push(nativeFontFace);
document.fonts.add(nativeFontFace);
};
FontLoader.prototype.bind = function fontLoaderBind(fonts, callback) {
var rules = [];
var fontsToLoad = [];
var fontLoadPromises = [];
var getNativeFontPromise = function (nativeFontFace) {
return nativeFontFace.loaded.catch(function (e) {
warn('Failed to load font "' + nativeFontFace.family + '": ' + e);
});
};
var isFontLoadingAPISupported = FontLoader.isFontLoadingAPISupported && !FontLoader.isSyncFontLoadingSupported;
for (var i = 0, ii = fonts.length; i < ii; i++) {
var font = fonts[i];
if (font.attached || font.loading === false) {
continue;
}
font.attached = true;
if (isFontLoadingAPISupported) {
var nativeFontFace = font.createNativeFontFace();
if (nativeFontFace) {
this.addNativeFontFace(nativeFontFace);
fontLoadPromises.push(getNativeFontPromise(nativeFontFace));
}
} else {
var rule = font.createFontFaceRule();
if (rule) {
this.insertRule(rule);
rules.push(rule);
fontsToLoad.push(font);
}
}
}
var request = this.queueLoadingCallback(callback);
if (isFontLoadingAPISupported) {
Promise.all(fontLoadPromises).then(function () {
request.complete();
});
} else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) {
this.prepareFontLoadEvent(rules, fontsToLoad, request);
} else {
request.complete();
}
};
FontLoader.prototype.queueLoadingCallback = function FontLoader_queueLoadingCallback(callback) {
function LoadLoader_completeRequest() {
assert(!request.end, 'completeRequest() cannot be called twice');
request.end = Date.now();
while (context.requests.length > 0 && context.requests[0].end) {
var otherRequest = context.requests.shift();
setTimeout(otherRequest.callback, 0);
}
}
var context = this.loadingContext;
var requestId = 'pdfjs-font-loading-' + context.nextRequestId++;
var request = {
id: requestId,
complete: LoadLoader_completeRequest,
callback: callback,
started: Date.now()
};
context.requests.push(request);
return request;
};
FontLoader.prototype.prepareFontLoadEvent = function fontLoaderPrepareFontLoadEvent(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) {
var chunk1 = s.substr(0, offset);
var chunk2 = s.substr(offset + remove);
return chunk1 + insert + chunk2;
}
var i, ii;
var canvas = document.createElement('canvas');
canvas.width = 1;
canvas.height = 1;
var ctx = canvas.getContext('2d');
var called = 0;
function isFontReady(name, callback) {
called++;
if (called > 30) {
warn('Load test font never loaded.');
callback();
return;
}
ctx.font = '30px ' + name;
ctx.fillText('.', 0, 20);
var imageData = ctx.getImageData(0, 0, 1, 1);
if (imageData.data[3] > 0) {
callback();
return;
}
setTimeout(isFontReady.bind(null, name, callback));
}
var loadTestFontId = 'lt' + Date.now() + this.loadTestFontId++;
var data = this.loadTestFont;
var COMMENT_OFFSET = 976;
data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
var CFF_CHECKSUM_OFFSET = 16;
var XXXX_VALUE = 0x58585858;
var checksum = int32(data, CFF_CHECKSUM_OFFSET);
for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
}
if (i < loadTestFontId.length) {
checksum = checksum - XXXX_VALUE + int32(loadTestFontId + 'XXX', i) | 0;
}
data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, string32(checksum));
var url = 'url(data:font/opentype;base64,' + btoa(data) + ');';
var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' + url + '}';
this.insertRule(rule);
var names = [];
for (i = 0, ii = fonts.length; i < ii; i++) {
names.push(fonts[i].loadedName);
}
names.push(loadTestFontId);
var div = document.createElement('div');
div.setAttribute('style', 'visibility: hidden;' + 'width: 10px; height: 10px;' + 'position: absolute; top: 0px; left: 0px;');
for (i = 0, ii = names.length; i < ii; ++i) {
var span = document.createElement('span');
span.textContent = 'Hi';
span.style.fontFamily = names[i];
div.appendChild(span);
}
document.body.appendChild(div);
isFontReady(loadTestFontId, function () {
document.body.removeChild(div);
request.complete();
});
};
FontLoader.isFontLoadingAPISupported = typeof document !== 'undefined' && !!document.fonts;
var isSyncFontLoadingSupported = function isSyncFontLoadingSupported() {
if (typeof navigator === 'undefined') {
return true;
}
var supported = false;
var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
if (m && m[1] >= 14) {
supported = true;
}
return supported;
};
Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', {
get: function () {
return shadow(FontLoader, 'isSyncFontLoadingSupported', isSyncFontLoadingSupported());
},
enumerable: true,
configurable: true
});
var IsEvalSupportedCached = {
get value() {
return shadow(this, 'value', sharedUtil.isEvalSupported());
}
};
var FontFaceObject = function FontFaceObjectClosure() {
function FontFaceObject(translatedData, options) {
this.compiledGlyphs = Object.create(null);
for (var i in translatedData) {
this[i] = translatedData[i];
}
this.options = options;
}
FontFaceObject.prototype = {
createNativeFontFace: function FontFaceObject_createNativeFontFace() {
if (!this.data) {
return null;
}
if (this.options.disableFontFace) {
this.disableFontFace = true;
return null;
}
var nativeFontFace = new FontFace(this.loadedName, this.data, {});
if (this.options.fontRegistry) {
this.options.fontRegistry.registerFont(this);
}
return nativeFontFace;
},
createFontFaceRule: function FontFaceObject_createFontFaceRule() {
if (!this.data) {
return null;
}
if (this.options.disableFontFace) {
this.disableFontFace = true;
return null;
}
var data = bytesToString(new Uint8Array(this.data));
var fontName = this.loadedName;
var url = 'url(data:' + this.mimetype + ';base64,' + btoa(data) + ');';
var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}';
if (this.options.fontRegistry) {
this.options.fontRegistry.registerFont(this, url);
}
return rule;
},
getPathGenerator: function FontFaceObject_getPathGenerator(objs, character) {
if (!(character in this.compiledGlyphs)) {
var cmds = objs.get(this.loadedName + '_path_' + character);
var current, i, len;
if (this.options.isEvalSupported && IsEvalSupportedCached.value) {
var args,
js = '';
for (i = 0, len = cmds.length; i < len; i++) {
current = cmds[i];
if (current.args !== undefined) {
args = current.args.join(',');
} else {
args = '';
}
js += 'c.' + current.cmd + '(' + args + ');\n';
}
this.compiledGlyphs[character] = new Function('c', 'size', js);
} else {
this.compiledGlyphs[character] = function (c, size) {
for (i = 0, len = cmds.length; i < len; i++) {
current = cmds[i];
if (current.cmd === 'scale') {
current.args = [size, -size];
}
c[current.cmd].apply(c, current.args);
}
};
}
}
return this.compiledGlyphs[character];
}
};
return FontFaceObject;
}();
exports.FontFaceObject = FontFaceObject;
exports.FontLoader = FontLoader;
/***/ }),
/* 12 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
var sharedUtil = __w_pdfjs_require__(0);
var displayWebGL = __w_pdfjs_require__(8);
var Util = sharedUtil.Util;
var info = sharedUtil.info;
var isArray = sharedUtil.isArray;
var error = sharedUtil.error;
var WebGLUtils = displayWebGL.WebGLUtils;
var ShadingIRs = {};
ShadingIRs.RadialAxial = {
fromIR: function RadialAxial_fromIR(raw) {
var type = raw[1];
var colorStops = raw[2];
var p0 = raw[3];
var p1 = raw[4];
var r0 = raw[5];
var r1 = raw[6];
return {
type: 'Pattern',
getPattern: function RadialAxial_getPattern(ctx) {
var grad;
if (type === 'axial') {
grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
} else if (type === 'radial') {
grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
}
for (var i = 0, ii = colorStops.length; i < ii; ++i) {
var c = colorStops[i];
grad.addColorStop(c[0], c[1]);
}
return grad;
}
};
}
};
var createMeshCanvas = function createMeshCanvasClosure() {
function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
var coords = context.coords,
colors = context.colors;
var bytes = data.data,
rowSize = data.width * 4;
var tmp;
if (coords[p1 + 1] > coords[p2 + 1]) {
tmp = p1;
p1 = p2;
p2 = tmp;
tmp = c1;
c1 = c2;
c2 = tmp;
}
if (coords[p2 + 1] > coords[p3 + 1]) {
tmp = p2;
p2 = p3;
p3 = tmp;
tmp = c2;
c2 = c3;
c3 = tmp;
}
if (coords[p1 + 1] > coords[p2 + 1]) {
tmp = p1;
p1 = p2;
p2 = tmp;
tmp = c1;
c1 = c2;
c2 = tmp;
}
var x1 = (coords[p1] + context.offsetX) * context.scaleX;
var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
var x2 = (coords[p2] + context.offsetX) * context.scaleX;
var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
var x3 = (coords[p3] + context.offsetX) * context.scaleX;
var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
if (y1 >= y3) {
return;
}
var c1r = colors[c1],
c1g = colors[c1 + 1],
c1b = colors[c1 + 2];
var c2r = colors[c2],
c2g = colors[c2 + 1],
c2b = colors[c2 + 2];
var c3r = colors[c3],
c3g = colors[c3 + 1],
c3b = colors[c3 + 2];
var minY = Math.round(y1),
maxY = Math.round(y3);
var xa, car, cag, cab;
var xb, cbr, cbg, cbb;
var k;
for (var y = minY; y <= maxY; y++) {
if (y < y2) {
k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2);
xa = x1 - (x1 - x2) * k;
car = c1r - (c1r - c2r) * k;
cag = c1g - (c1g - c2g) * k;
cab = c1b - (c1b - c2b) * k;
} else {
k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3);
xa = x2 - (x2 - x3) * k;
car = c2r - (c2r - c3r) * k;
cag = c2g - (c2g - c3g) * k;
cab = c2b - (c2b - c3b) * k;
}
k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3);
xb = x1 - (x1 - x3) * k;
cbr = c1r - (c1r - c3r) * k;
cbg = c1g - (c1g - c3g) * k;
cbb = c1b - (c1b - c3b) * k;
var x1_ = Math.round(Math.min(xa, xb));
var x2_ = Math.round(Math.max(xa, xb));
var j = rowSize * y + x1_ * 4;
for (var x = x1_; x <= x2_; x++) {
k = (xa - x) / (xa - xb);
k = k < 0 ? 0 : k > 1 ? 1 : k;
bytes[j++] = car - (car - cbr) * k | 0;
bytes[j++] = cag - (cag - cbg) * k | 0;
bytes[j++] = cab - (cab - cbb) * k | 0;
bytes[j++] = 255;
}
}
}
function drawFigure(data, figure, context) {
var ps = figure.coords;
var cs = figure.colors;
var i, ii;
switch (figure.type) {
case 'lattice':
var verticesPerRow = figure.verticesPerRow;
var rows = Math.floor(ps.length / verticesPerRow) - 1;
var cols = verticesPerRow - 1;
for (i = 0; i < rows; i++) {
var q = i * verticesPerRow;
for (var j = 0; j < cols; j++, q++) {
drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
}
}
break;
case 'triangles':
for (i = 0, ii = ps.length; i < ii; i += 3) {
drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
}
break;
default:
error('illigal figure');
break;
}
}
function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases) {
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: coords,
colors: 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 (WebGLUtils.isEnabled) {
canvas = WebGLUtils.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: canvas,
offsetX: offsetX - BORDER_SIZE * scaleX,
offsetY: offsetY - BORDER_SIZE * scaleY,
scaleX: scaleX,
scaleY: scaleY
};
}
return createMeshCanvas;
}();
ShadingIRs.Mesh = {
fromIR: function Mesh_fromIR(raw) {
var coords = raw[2];
var colors = raw[3];
var figures = raw[4];
var bounds = raw[5];
var matrix = raw[6];
var background = raw[8];
return {
type: 'Pattern',
getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
var scale;
if (shadingFill) {
scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
} else {
scale = Util.singularValueDecompose2dScale(owner.baseTransform);
if (matrix) {
var matrixScale = 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);
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) {
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 = Util.normalizeRect(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;
info('TilingType: ' + tilingType);
var x0 = bbox[0],
y0 = bbox[1],
x1 = bbox[2],
y1 = bbox[3];
var topLeft = [x0, y0];
var botRight = [x0 + xstep, y0 + ystep];
var width = botRight[0] - topLeft[0];
var height = botRight[1] - topLeft[1];
var matrixScale = Util.singularValueDecompose2dScale(this.matrix);
var curMatrixScale = Util.singularValueDecompose2dScale(this.baseTransform);
var combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), MAX_PATTERN_SIZE);
height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), MAX_PATTERN_SIZE);
var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', width, height, true);
var tmpCtx = tmpCanvas.context;
var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
graphics.groupLevel = owner.groupLevel;
this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color);
this.setScale(width, height, xstep, ystep);
this.transformToScale(graphics);
var tmpTranslate = [1, 0, 0, 1, -topLeft[0], -topLeft[1]];
graphics.transform.apply(graphics, tmpTranslate);
this.clipBbox(graphics, bbox, x0, y0, x1, y1);
graphics.executeOperatorList(operatorList);
return tmpCanvas.canvas;
},
setScale: function TilingPattern_setScale(width, height, xstep, ystep) {
this.scale = [width / xstep, height / ystep];
},
transformToScale: function TilingPattern_transformToScale(graphics) {
var scale = this.scale;
var tmpScale = [scale[0], 0, 0, scale[1], 0, 0];
graphics.transform.apply(graphics, tmpScale);
},
scaleToContext: function TilingPattern_scaleToContext() {
var scale = this.scale;
this.ctx.scale(1 / scale[0], 1 / scale[1]);
},
clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
if (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(context, paintType, color) {
switch (paintType) {
case PaintType.COLORED:
var ctx = this.ctx;
context.fillStyle = ctx.fillStyle;
context.strokeStyle = ctx.strokeStyle;
break;
case PaintType.UNCOLORED:
var cssColor = Util.makeCssRgb(color[0], color[1], color[2]);
context.fillStyle = cssColor;
context.strokeStyle = cssColor;
break;
default:
error('Unsupported paint type: ' + paintType);
}
},
getPattern: function TilingPattern_getPattern(ctx, owner) {
var temporaryPatternCanvas = this.createPatternCanvas(owner);
ctx = this.ctx;
ctx.setTransform.apply(ctx, this.baseTransform);
ctx.transform.apply(ctx, this.matrix);
this.scaleToContext();
return ctx.createPattern(temporaryPatternCanvas, 'repeat');
}
};
return TilingPattern;
}();
exports.getShadingPatternFromIR = getShadingPatternFromIR;
exports.TilingPattern = TilingPattern;
/***/ }),
/* 13 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
var pdfjsVersion = '1.8.172';
var pdfjsBuild = '8ff1fbe7';
var pdfjsSharedUtil = __w_pdfjs_require__(0);
var pdfjsDisplayGlobal = __w_pdfjs_require__(9);
var pdfjsDisplayAPI = __w_pdfjs_require__(3);
var pdfjsDisplayTextLayer = __w_pdfjs_require__(5);
var pdfjsDisplayAnnotationLayer = __w_pdfjs_require__(2);
var pdfjsDisplayDOMUtils = __w_pdfjs_require__(1);
var pdfjsDisplaySVG = __w_pdfjs_require__(4);
exports.PDFJS = pdfjsDisplayGlobal.PDFJS;
exports.build = pdfjsDisplayAPI.build;
exports.version = pdfjsDisplayAPI.version;
exports.getDocument = pdfjsDisplayAPI.getDocument;
exports.PDFDataRangeTransport = pdfjsDisplayAPI.PDFDataRangeTransport;
exports.PDFWorker = pdfjsDisplayAPI.PDFWorker;
exports.renderTextLayer = pdfjsDisplayTextLayer.renderTextLayer;
exports.AnnotationLayer = pdfjsDisplayAnnotationLayer.AnnotationLayer;
exports.CustomStyle = pdfjsDisplayDOMUtils.CustomStyle;
exports.createPromiseCapability = pdfjsSharedUtil.createPromiseCapability;
exports.PasswordResponses = pdfjsSharedUtil.PasswordResponses;
exports.InvalidPDFException = pdfjsSharedUtil.InvalidPDFException;
exports.MissingPDFException = pdfjsSharedUtil.MissingPDFException;
exports.SVGGraphics = pdfjsDisplaySVG.SVGGraphics;
exports.UnexpectedResponseException = pdfjsSharedUtil.UnexpectedResponseException;
exports.OPS = pdfjsSharedUtil.OPS;
exports.UNSUPPORTED_FEATURES = pdfjsSharedUtil.UNSUPPORTED_FEATURES;
exports.isValidUrl = pdfjsDisplayDOMUtils.isValidUrl;
exports.createValidAbsoluteUrl = pdfjsSharedUtil.createValidAbsoluteUrl;
exports.createObjectURL = pdfjsSharedUtil.createObjectURL;
exports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters;
exports.shadow = pdfjsSharedUtil.shadow;
exports.createBlob = pdfjsSharedUtil.createBlob;
exports.RenderingCancelledException = pdfjsDisplayDOMUtils.RenderingCancelledException;
exports.getFilenameFromUrl = pdfjsDisplayDOMUtils.getFilenameFromUrl;
exports.addLinkAttributes = pdfjsDisplayDOMUtils.addLinkAttributes;
/***/ }),
/* 14 */
/***/ (function(module, exports, __w_pdfjs_require__) {
"use strict";
/* WEBPACK VAR INJECTION */(function(global) {
if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) {
var globalScope = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : undefined;
var userAgent = typeof navigator !== 'undefined' && navigator.userAgent || '';
var isAndroid = /Android/.test(userAgent);
var isAndroidPre3 = /Android\s[0-2][^\d]/.test(userAgent);
var isAndroidPre5 = /Android\s[0-4][^\d]/.test(userAgent);
var isChrome = userAgent.indexOf('Chrom') >= 0;
var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(userAgent);
var isIOSChrome = userAgent.indexOf('CriOS') >= 0;
var isIE = userAgent.indexOf('Trident') >= 0;
var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
var isOpera = userAgent.indexOf('Opera') >= 0;
var isSafari = /Safari\//.test(userAgent) && !/(Chrome\/|Android\s)/.test(userAgent);
var hasDOM = typeof window === 'object' && typeof document === 'object';
if (typeof PDFJS === 'undefined') {
globalScope.PDFJS = {};
}
PDFJS.compatibilityChecked = true;
(function checkTypedArrayCompatibility() {
if (typeof Uint8Array !== 'undefined') {
if (typeof Uint8Array.prototype.subarray === 'undefined') {
Uint8Array.prototype.subarray = function subarray(start, end) {
return new Uint8Array(this.slice(start, end));
};
Float32Array.prototype.subarray = function subarray(start, end) {
return new Float32Array(this.slice(start, end));
};
}
if (typeof Float64Array === 'undefined') {
globalScope.Float64Array = Float32Array;
}
return;
}
function subarray(start, end) {
return new TypedArray(this.slice(start, end));
}
function setArrayOffset(array, offset) {
if (arguments.length < 2) {
offset = 0;
}
for (var i = 0, n = array.length; i < n; ++i, ++offset) {
this[offset] = array[i] & 0xFF;
}
}
function TypedArray(arg1) {
var result, i, n;
if (typeof arg1 === 'number') {
result = [];
for (i = 0; i < arg1; ++i) {
result[i] = 0;
}
} else if ('slice' in arg1) {
result = arg1.slice(0);
} else {
result = [];
for (i = 0, n = arg1.length; i < n; ++i) {
result[i] = arg1[i];
}
}
result.subarray = subarray;
result.buffer = result;
result.byteLength = result.length;
result.set = setArrayOffset;
if (typeof arg1 === 'object' && arg1.buffer) {
result.buffer = arg1.buffer;
}
return result;
}
globalScope.Uint8Array = TypedArray;
globalScope.Int8Array = TypedArray;
globalScope.Uint32Array = TypedArray;
globalScope.Int32Array = TypedArray;
globalScope.Uint16Array = TypedArray;
globalScope.Float32Array = TypedArray;
globalScope.Float64Array = TypedArray;
})();
(function normalizeURLObject() {
if (!globalScope.URL) {
globalScope.URL = globalScope.webkitURL;
}
})();
(function checkObjectDefinePropertyCompatibility() {
if (typeof Object.defineProperty !== 'undefined') {
var definePropertyPossible = true;
try {
if (hasDOM) {
Object.defineProperty(new Image(), 'id', { value: 'test' });
}
var Test = function Test() {};
Test.prototype = {
get id() {}
};
Object.defineProperty(new Test(), 'id', {
value: '',
configurable: true,
enumerable: true,
writable: false
});
} catch (e) {
definePropertyPossible = false;
}
if (definePropertyPossible) {
return;
}
}
Object.defineProperty = function objectDefineProperty(obj, name, def) {
delete obj[name];
if ('get' in def) {
obj.__defineGetter__(name, def['get']);
}
if ('set' in def) {
obj.__defineSetter__(name, def['set']);
}
if ('value' in def) {
obj.__defineSetter__(name, function objectDefinePropertySetter(value) {
this.__defineGetter__(name, function objectDefinePropertyGetter() {
return value;
});
return value;
});
obj[name] = def.value;
}
};
})();
(function checkXMLHttpRequestResponseCompatibility() {
if (typeof XMLHttpRequest === 'undefined') {
return;
}
var xhrPrototype = XMLHttpRequest.prototype;
var xhr = new XMLHttpRequest();
if (!('overrideMimeType' in xhr)) {
Object.defineProperty(xhrPrototype, 'overrideMimeType', {
value: function xmlHttpRequestOverrideMimeType(mimeType) {}
});
}
if ('responseType' in xhr) {
return;
}
Object.defineProperty(xhrPrototype, 'responseType', {
get: function xmlHttpRequestGetResponseType() {
return this._responseType || 'text';
},
set: function xmlHttpRequestSetResponseType(value) {
if (value === 'text' || value === 'arraybuffer') {
this._responseType = value;
if (value === 'arraybuffer' && typeof this.overrideMimeType === 'function') {
this.overrideMimeType('text/plain; charset=x-user-defined');
}
}
}
});
if (typeof VBArray !== 'undefined') {
Object.defineProperty(xhrPrototype, 'response', {
get: function xmlHttpRequestResponseGet() {
if (this.responseType === 'arraybuffer') {
return new Uint8Array(new VBArray(this.responseBody).toArray());
}
return this.responseText;
}
});
return;
}
Object.defineProperty(xhrPrototype, 'response', {
get: function xmlHttpRequestResponseGet() {
if (this.responseType !== 'arraybuffer') {
return this.responseText;
}
var text = this.responseText;
var i,
n = text.length;
var result = new Uint8Array(n);
for (i = 0; i < n; ++i) {
result[i] = text.charCodeAt(i) & 0xFF;
}
return result.buffer;
}
});
})();
(function checkWindowBtoaCompatibility() {
if ('btoa' in globalScope) {
return;
}
var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
globalScope.btoa = function (chars) {
var buffer = '';
var i, n;
for (i = 0, n = chars.length; i < n; i += 3) {
var b1 = chars.charCodeAt(i) & 0xFF;
var b2 = chars.charCodeAt(i + 1) & 0xFF;
var b3 = chars.charCodeAt(i + 2) & 0xFF;
var d1 = b1 >> 2,
d2 = (b1 & 3) << 4 | b2 >> 4;
var d3 = i + 1 < n ? (b2 & 0xF) << 2 | b3 >> 6 : 64;
var d4 = i + 2 < n ? b3 & 0x3F : 64;
buffer += digits.charAt(d1) + digits.charAt(d2) + digits.charAt(d3) + digits.charAt(d4);
}
return buffer;
};
})();
(function checkWindowAtobCompatibility() {
if ('atob' in globalScope) {
return;
}
var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
globalScope.atob = function (input) {
input = input.replace(/=+$/, '');
if (input.length % 4 === 1) {
throw new Error('bad atob input');
}
for (var bc = 0, bs, buffer, idx = 0, output = ''; buffer = input.charAt(idx++); ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer, bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0) {
buffer = digits.indexOf(buffer);
}
return output;
};
})();
(function checkFunctionPrototypeBindCompatibility() {
if (typeof Function.prototype.bind !== 'undefined') {
return;
}
Function.prototype.bind = function functionPrototypeBind(obj) {
var fn = this,
headArgs = Array.prototype.slice.call(arguments, 1);
var bound = function functionPrototypeBindBound() {
var args = headArgs.concat(Array.prototype.slice.call(arguments));
return fn.apply(obj, args);
};
return bound;
};
})();
(function checkDatasetProperty() {
if (!hasDOM) {
return;
}
var div = document.createElement('div');
if ('dataset' in div) {
return;
}
Object.defineProperty(HTMLElement.prototype, 'dataset', {
get: function () {
if (this._dataset) {
return this._dataset;
}
var dataset = {};
for (var j = 0, jj = this.attributes.length; j < jj; j++) {
var attribute = this.attributes[j];
if (attribute.name.substring(0, 5) !== 'data-') {
continue;
}
var key = attribute.name.substring(5).replace(/\-([a-z])/g, function (all, ch) {
return ch.toUpperCase();
});
dataset[key] = attribute.value;
}
Object.defineProperty(this, '_dataset', {
value: dataset,
writable: false,
enumerable: false
});
return dataset;
},
enumerable: true
});
})();
(function checkClassListProperty() {
function changeList(element, itemName, add, remove) {
var s = element.className || '';
var list = s.split(/\s+/g);
if (list[0] === '') {
list.shift();
}
var index = list.indexOf(itemName);
if (index < 0 && add) {
list.push(itemName);
}
if (index >= 0 && remove) {
list.splice(index, 1);
}
element.className = list.join(' ');
return index >= 0;
}
if (!hasDOM) {
return;
}
var div = document.createElement('div');
if ('classList' in div) {
return;
}
var classListPrototype = {
add: function (name) {
changeList(this.element, name, true, false);
},
contains: function (name) {
return changeList(this.element, name, false, false);
},
remove: function (name) {
changeList(this.element, name, false, true);
},
toggle: function (name) {
changeList(this.element, name, true, true);
}
};
Object.defineProperty(HTMLElement.prototype, 'classList', {
get: function () {
if (this._classList) {
return this._classList;
}
var classList = Object.create(classListPrototype, {
element: {
value: this,
writable: false,
enumerable: true
}
});
Object.defineProperty(this, '_classList', {
value: classList,
writable: false,
enumerable: false
});
return classList;
},
enumerable: true
});
})();
(function checkWorkerConsoleCompatibility() {
if (typeof importScripts === 'undefined' || 'console' in globalScope) {
return;
}
var consoleTimer = {};
var workerConsole = {
log: function log() {
var args = Array.prototype.slice.call(arguments);
globalScope.postMessage({
targetName: 'main',
action: 'console_log',
data: args
});
},
error: function error() {
var args = Array.prototype.slice.call(arguments);
globalScope.postMessage({
targetName: 'main',
action: 'console_error',
data: args
});
},
time: function time(name) {
consoleTimer[name] = Date.now();
},
timeEnd: function timeEnd(name) {
var time = consoleTimer[name];
if (!time) {
throw new Error('Unknown timer name ' + name);
}
this.log('Timer:', name, Date.now() - time);
}
};
globalScope.console = workerConsole;
})();
(function checkConsoleCompatibility() {
if (!hasDOM) {
return;
}
if (!('console' in window)) {
window.console = {
log: function () {},
error: function () {},
warn: function () {}
};
return;
}
if (!('bind' in console.log)) {
console.log = function (fn) {
return function (msg) {
return fn(msg);
};
}(console.log);
console.error = function (fn) {
return function (msg) {
return fn(msg);
};
}(console.error);
console.warn = function (fn) {
return function (msg) {
return fn(msg);
};
}(console.warn);
return;
}
})();
(function checkOnClickCompatibility() {
function ignoreIfTargetDisabled(event) {
if (isDisabled(event.target)) {
event.stopPropagation();
}
}
function isDisabled(node) {
return node.disabled || node.parentNode && isDisabled(node.parentNode);
}
if (isOpera) {
document.addEventListener('click', ignoreIfTargetDisabled, true);
}
})();
(function checkOnBlobSupport() {
if (isIE || isIOSChrome) {
PDFJS.disableCreateObjectURL = true;
}
})();
(function checkNavigatorLanguage() {
if (typeof navigator === 'undefined') {
return;
}
if ('language' in navigator) {
return;
}
PDFJS.locale = navigator.userLanguage || 'en-US';
})();
(function checkRangeRequests() {
if (isSafari || isAndroidPre3 || isChromeWithRangeBug || isIOS) {
PDFJS.disableRange = true;
PDFJS.disableStream = true;
}
})();
(function checkHistoryManipulation() {
if (!hasDOM) {
return;
}
if (!history.pushState || isAndroidPre3) {
PDFJS.disableHistory = true;
}
})();
(function checkSetPresenceInImageData() {
if (!hasDOM) {
return;
}
if (window.CanvasPixelArray) {
if (typeof window.CanvasPixelArray.prototype.set !== 'function') {
window.CanvasPixelArray.prototype.set = function (arr) {
for (var i = 0, ii = this.length; i < ii; i++) {
this[i] = arr[i];
}
};
}
} else {
var polyfill = false,
versionMatch;
if (isChrome) {
versionMatch = userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
polyfill = versionMatch && parseInt(versionMatch[2]) < 21;
} else if (isAndroid) {
polyfill = isAndroidPre5;
} else if (isSafari) {
versionMatch = userAgent.match(/Version\/([0-9]+)\.([0-9]+)\.([0-9]+) Safari\//);
polyfill = versionMatch && parseInt(versionMatch[1]) < 6;
}
if (polyfill) {
var contextPrototype = window.CanvasRenderingContext2D.prototype;
var createImageData = contextPrototype.createImageData;
contextPrototype.createImageData = function (w, h) {
var imageData = createImageData.call(this, w, h);
imageData.data.set = function (arr) {
for (var i = 0, ii = this.length; i < ii; i++) {
this[i] = arr[i];
}
};
return imageData;
};
contextPrototype = null;
}
}
})();
(function checkRequestAnimationFrame() {
function installFakeAnimationFrameFunctions() {
window.requestAnimationFrame = function (callback) {
return window.setTimeout(callback, 20);
};
window.cancelAnimationFrame = function (timeoutID) {
window.clearTimeout(timeoutID);
};
}
if (!hasDOM) {
return;
}
if (isIOS) {
installFakeAnimationFrameFunctions();
return;
}
if ('requestAnimationFrame' in window) {
return;
}
window.requestAnimationFrame = window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame;
if (!('requestAnimationFrame' in window)) {
installFakeAnimationFrameFunctions();
}
})();
(function checkCanvasSizeLimitation() {
if (isIOS || isAndroid) {
PDFJS.maxCanvasPixels = 5242880;
}
})();
(function checkFullscreenSupport() {
if (!hasDOM) {
return;
}
if (isIE && window.parent !== window) {
PDFJS.disableFullscreen = true;
}
})();
(function checkCurrentScript() {
if (!hasDOM) {
return;
}
if ('currentScript' in document) {
return;
}
Object.defineProperty(document, 'currentScript', {
get: function () {
var scripts = document.getElementsByTagName('script');
return scripts[scripts.length - 1];
},
enumerable: true,
configurable: true
});
})();
(function checkInputTypeNumberAssign() {
if (!hasDOM) {
return;
}
var el = document.createElement('input');
try {
el.type = 'number';
} catch (ex) {
var inputProto = el.constructor.prototype;
var typeProperty = Object.getOwnPropertyDescriptor(inputProto, 'type');
Object.defineProperty(inputProto, 'type', {
get: function () {
return typeProperty.get.call(this);
},
set: function (value) {
typeProperty.set.call(this, value === 'number' ? 'text' : value);
},
enumerable: true,
configurable: true
});
}
})();
(function checkDocumentReadyState() {
if (!hasDOM) {
return;
}
if (!document.attachEvent) {
return;
}
var documentProto = document.constructor.prototype;
var readyStateProto = Object.getOwnPropertyDescriptor(documentProto, 'readyState');
Object.defineProperty(documentProto, 'readyState', {
get: function () {
var value = readyStateProto.get.call(this);
return value === 'interactive' ? 'loading' : value;
},
set: function (value) {
readyStateProto.set.call(this, value);
},
enumerable: true,
configurable: true
});
})();
(function checkChildNodeRemove() {
if (!hasDOM) {
return;
}
if (typeof Element.prototype.remove !== 'undefined') {
return;
}
Element.prototype.remove = function () {
if (this.parentNode) {
this.parentNode.removeChild(this);
}
};
})();
(function checkPromise() {
if (globalScope.Promise) {
if (typeof globalScope.Promise.all !== 'function') {
globalScope.Promise.all = function (iterable) {
var count = 0,
results = [],
resolve,
reject;
var promise = new globalScope.Promise(function (resolve_, reject_) {
resolve = resolve_;
reject = reject_;
});
iterable.forEach(function (p, i) {
count++;
p.then(function (result) {
results[i] = result;
count--;
if (count === 0) {
resolve(results);
}
}, reject);
});
if (count === 0) {
resolve(results);
}
return promise;
};
}
if (typeof globalScope.Promise.resolve !== 'function') {
globalScope.Promise.resolve = function (value) {
return new globalScope.Promise(function (resolve) {
resolve(value);
});
};
}
if (typeof globalScope.Promise.reject !== 'function') {
globalScope.Promise.reject = function (reason) {
return new globalScope.Promise(function (resolve, reject) {
reject(reason);
});
};
}
if (typeof globalScope.Promise.prototype.catch !== 'function') {
globalScope.Promise.prototype.catch = function (onReject) {
return globalScope.Promise.prototype.then(undefined, onReject);
};
}
return;
}
var STATUS_PENDING = 0;
var STATUS_RESOLVED = 1;
var STATUS_REJECTED = 2;
var REJECTION_TIMEOUT = 500;
var HandlerManager = {
handlers: [],
running: false,
unhandledRejections: [],
pendingRejectionCheck: false,
scheduleHandlers: function scheduleHandlers(promise) {
if (promise._status === STATUS_PENDING) {
return;
}
this.handlers = this.handlers.concat(promise._handlers);
promise._handlers = [];
if (this.running) {
return;
}
this.running = true;
setTimeout(this.runHandlers.bind(this), 0);
},
runHandlers: function runHandlers() {
var RUN_TIMEOUT = 1;
var timeoutAt = Date.now() + RUN_TIMEOUT;
while (this.handlers.length > 0) {
var handler = this.handlers.shift();
var nextStatus = handler.thisPromise._status;
var nextValue = handler.thisPromise._value;
try {
if (nextStatus === STATUS_RESOLVED) {
if (typeof handler.onResolve === 'function') {
nextValue = handler.onResolve(nextValue);
}
} else if (typeof handler.onReject === 'function') {
nextValue = handler.onReject(nextValue);
nextStatus = STATUS_RESOLVED;
if (handler.thisPromise._unhandledRejection) {
this.removeUnhandeledRejection(handler.thisPromise);
}
}
} catch (ex) {
nextStatus = STATUS_REJECTED;
nextValue = ex;
}
handler.nextPromise._updateStatus(nextStatus, nextValue);
if (Date.now() >= timeoutAt) {
break;
}
}
if (this.handlers.length > 0) {
setTimeout(this.runHandlers.bind(this), 0);
return;
}
this.running = false;
},
addUnhandledRejection: function addUnhandledRejection(promise) {
this.unhandledRejections.push({
promise: promise,
time: Date.now()
});
this.scheduleRejectionCheck();
},
removeUnhandeledRejection: function removeUnhandeledRejection(promise) {
promise._unhandledRejection = false;
for (var i = 0; i < this.unhandledRejections.length; i++) {
if (this.unhandledRejections[i].promise === promise) {
this.unhandledRejections.splice(i);
i--;
}
}
},
scheduleRejectionCheck: function scheduleRejectionCheck() {
if (this.pendingRejectionCheck) {
return;
}
this.pendingRejectionCheck = true;
setTimeout(function rejectionCheck() {
this.pendingRejectionCheck = false;
var now = Date.now();
for (var i = 0; i < this.unhandledRejections.length; i++) {
if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) {
var unhandled = this.unhandledRejections[i].promise._value;
var msg = 'Unhandled rejection: ' + unhandled;
if (unhandled.stack) {
msg += '\n' + unhandled.stack;
}
try {
throw new Error(msg);
} catch (_) {
console.warn(msg);
}
this.unhandledRejections.splice(i);
i--;
}
}
if (this.unhandledRejections.length) {
this.scheduleRejectionCheck();
}
}.bind(this), REJECTION_TIMEOUT);
}
};
var Promise = function Promise(resolver) {
this._status = STATUS_PENDING;
this._handlers = [];
try {
resolver.call(this, this._resolve.bind(this), this._reject.bind(this));
} catch (e) {
this._reject(e);
}
};
Promise.all = function Promise_all(promises) {
var resolveAll, rejectAll;
var deferred = new Promise(function (resolve, reject) {
resolveAll = resolve;
rejectAll = reject;
});
var unresolved = promises.length;
var results = [];
if (unresolved === 0) {
resolveAll(results);
return deferred;
}
function reject(reason) {
if (deferred._status === STATUS_REJECTED) {
return;
}
results = [];
rejectAll(reason);
}
for (var i = 0, ii = promises.length; i < ii; ++i) {
var promise = promises[i];
var resolve = function (i) {
return function (value) {
if (deferred._status === STATUS_REJECTED) {
return;
}
results[i] = value;
unresolved--;
if (unresolved === 0) {
resolveAll(results);
}
};
}(i);
if (Promise.isPromise(promise)) {
promise.then(resolve, reject);
} else {
resolve(promise);
}
}
return deferred;
};
Promise.isPromise = function Promise_isPromise(value) {
return value && typeof value.then === 'function';
};
Promise.resolve = function Promise_resolve(value) {
return new Promise(function (resolve) {
resolve(value);
});
};
Promise.reject = function Promise_reject(reason) {
return new Promise(function (resolve, reject) {
reject(reason);
});
};
Promise.prototype = {
_status: null,
_value: null,
_handlers: null,
_unhandledRejection: null,
_updateStatus: function Promise__updateStatus(status, value) {
if (this._status === STATUS_RESOLVED || this._status === STATUS_REJECTED) {
return;
}
if (status === STATUS_RESOLVED && Promise.isPromise(value)) {
value.then(this._updateStatus.bind(this, STATUS_RESOLVED), this._updateStatus.bind(this, STATUS_REJECTED));
return;
}
this._status = status;
this._value = value;
if (status === STATUS_REJECTED && this._handlers.length === 0) {
this._unhandledRejection = true;
HandlerManager.addUnhandledRejection(this);
}
HandlerManager.scheduleHandlers(this);
},
_resolve: function Promise_resolve(value) {
this._updateStatus(STATUS_RESOLVED, value);
},
_reject: function Promise_reject(reason) {
this._updateStatus(STATUS_REJECTED, reason);
},
then: function Promise_then(onResolve, onReject) {
var nextPromise = new Promise(function (resolve, reject) {
this.resolve = resolve;
this.reject = reject;
});
this._handlers.push({
thisPromise: this,
onResolve: onResolve,
onReject: onReject,
nextPromise: nextPromise
});
HandlerManager.scheduleHandlers(this);
return nextPromise;
},
catch: function Promise_catch(onReject) {
return this.then(undefined, onReject);
}
};
globalScope.Promise = Promise;
})();
(function checkWeakMap() {
if (globalScope.WeakMap) {
return;
}
var id = 0;
function WeakMap() {
this.id = '$weakmap' + id++;
}
WeakMap.prototype = {
has: function (obj) {
return !!Object.getOwnPropertyDescriptor(obj, this.id);
},
get: function (obj, defaultValue) {
return this.has(obj) ? obj[this.id] : defaultValue;
},
set: function (obj, value) {
Object.defineProperty(obj, this.id, {
value: value,
enumerable: false,
configurable: true
});
},
delete: function (obj) {
delete obj[this.id];
}
};
globalScope.WeakMap = WeakMap;
})();
(function checkURLConstructor() {
var hasWorkingUrl = false;
try {
if (typeof URL === 'function' && typeof URL.prototype === 'object' && 'origin' in URL.prototype) {
var u = new URL('b', 'http://a');
u.pathname = 'c%20d';
hasWorkingUrl = u.href === 'http://a/c%20d';
}
} catch (e) {}
if (hasWorkingUrl) {
return;
}
var relative = Object.create(null);
relative['ftp'] = 21;
relative['file'] = 0;
relative['gopher'] = 70;
relative['http'] = 80;
relative['https'] = 443;
relative['ws'] = 80;
relative['wss'] = 443;
var relativePathDotMapping = Object.create(null);
relativePathDotMapping['%2e'] = '.';
relativePathDotMapping['.%2e'] = '..';
relativePathDotMapping['%2e.'] = '..';
relativePathDotMapping['%2e%2e'] = '..';
function isRelativeScheme(scheme) {
return relative[scheme] !== undefined;
}
function invalid() {
clear.call(this);
this._isInvalid = true;
}
function IDNAToASCII(h) {
if (h === '') {
invalid.call(this);
}
return h.toLowerCase();
}
function percentEscape(c) {
var unicode = c.charCodeAt(0);
if (unicode > 0x20 && unicode < 0x7F && [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1) {
return c;
}
return encodeURIComponent(c);
}
function percentEscapeQuery(c) {
var unicode = c.charCodeAt(0);
if (unicode > 0x20 && unicode < 0x7F && [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1) {
return c;
}
return encodeURIComponent(c);
}
var EOF,
ALPHA = /[a-zA-Z]/,
ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
function parse(input, stateOverride, base) {
function err(message) {
errors.push(message);
}
var state = stateOverride || 'scheme start',
cursor = 0,
buffer = '',
seenAt = false,
seenBracket = false,
errors = [];
loop: while ((input[cursor - 1] !== EOF || cursor === 0) && !this._isInvalid) {
var c = input[cursor];
switch (state) {
case 'scheme start':
if (c && ALPHA.test(c)) {
buffer += c.toLowerCase();
state = 'scheme';
} else if (!stateOverride) {
buffer = '';
state = 'no scheme';
continue;
} else {
err('Invalid scheme.');
break loop;
}
break;
case 'scheme':
if (c && ALPHANUMERIC.test(c)) {
buffer += c.toLowerCase();
} else if (c === ':') {
this._scheme = buffer;
buffer = '';
if (stateOverride) {
break loop;
}
if (isRelativeScheme(this._scheme)) {
this._isRelative = true;
}
if (this._scheme === 'file') {
state = 'relative';
} else if (this._isRelative && base && base._scheme === this._scheme) {
state = 'relative or authority';
} else if (this._isRelative) {
state = 'authority first slash';
} else {
state = 'scheme data';
}
} else if (!stateOverride) {
buffer = '';
cursor = 0;
state = 'no scheme';
continue;
} else if (c === EOF) {
break loop;
} else {
err('Code point not allowed in scheme: ' + c);
break loop;
}
break;
case 'scheme data':
if (c === '?') {
this._query = '?';
state = 'query';
} else if (c === '#') {
this._fragment = '#';
state = 'fragment';
} else {
if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') {
this._schemeData += percentEscape(c);
}
}
break;
case 'no scheme':
if (!base || !isRelativeScheme(base._scheme)) {
err('Missing scheme.');
invalid.call(this);
} else {
state = 'relative';
continue;
}
break;
case 'relative or authority':
if (c === '/' && input[cursor + 1] === '/') {
state = 'authority ignore slashes';
} else {
err('Expected /, got: ' + c);
state = 'relative';
continue;
}
break;
case 'relative':
this._isRelative = true;
if (this._scheme !== 'file') {
this._scheme = base._scheme;
}
if (c === EOF) {
this._host = base._host;
this._port = base._port;
this._path = base._path.slice();
this._query = base._query;
this._username = base._username;
this._password = base._password;
break loop;
} else if (c === '/' || c === '\\') {
if (c === '\\') {
err('\\ is an invalid code point.');
}
state = 'relative slash';
} else if (c === '?') {
this._host = base._host;
this._port = base._port;
this._path = base._path.slice();
this._query = '?';
this._username = base._username;
this._password = base._password;
state = 'query';
} else if (c === '#') {
this._host = base._host;
this._port = base._port;
this._path = base._path.slice();
this._query = base._query;
this._fragment = '#';
this._username = base._username;
this._password = base._password;
state = 'fragment';
} else {
var nextC = input[cursor + 1];
var nextNextC = input[cursor + 2];
if (this._scheme !== 'file' || !ALPHA.test(c) || nextC !== ':' && nextC !== '|' || nextNextC !== EOF && nextNextC !== '/' && nextNextC !== '\\' && nextNextC !== '?' && nextNextC !== '#') {
this._host = base._host;
this._port = base._port;
this._username = base._username;
this._password = base._password;
this._path = base._path.slice();
this._path.pop();
}
state = 'relative path';
continue;
}
break;
case 'relative slash':
if (c === '/' || c === '\\') {
if (c === '\\') {
err('\\ is an invalid code point.');
}
if (this._scheme === 'file') {
state = 'file host';
} else {
state = 'authority ignore slashes';
}
} else {
if (this._scheme !== 'file') {
this._host = base._host;
this._port = base._port;
this._username = base._username;
this._password = base._password;
}
state = 'relative path';
continue;
}
break;
case 'authority first slash':
if (c === '/') {
state = 'authority second slash';
} else {
err('Expected \'/\', got: ' + c);
state = 'authority ignore slashes';
continue;
}
break;
case 'authority second slash':
state = 'authority ignore slashes';
if (c !== '/') {
err('Expected \'/\', got: ' + c);
continue;
}
break;
case 'authority ignore slashes':
if (c !== '/' && c !== '\\') {
state = 'authority';
continue;
} else {
err('Expected authority, got: ' + c);
}
break;
case 'authority':
if (c === '@') {
if (seenAt) {
err('@ already seen.');
buffer += '%40';
}
seenAt = true;
for (var i = 0; i < buffer.length; i++) {
var cp = buffer[i];
if (cp === '\t' || cp === '\n' || cp === '\r') {
err('Invalid whitespace in authority.');
continue;
}
if (cp === ':' && this._password === null) {
this._password = '';
continue;
}
var tempC = percentEscape(cp);
if (this._password !== null) {
this._password += tempC;
} else {
this._username += tempC;
}
}
buffer = '';
} else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
cursor -= buffer.length;
buffer = '';
state = 'host';
continue;
} else {
buffer += c;
}
break;
case 'file host':
if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
if (buffer.length === 2 && ALPHA.test(buffer[0]) && (buffer[1] === ':' || buffer[1] === '|')) {
state = 'relative path';
} else if (buffer.length === 0) {
state = 'relative path start';
} else {
this._host = IDNAToASCII.call(this, buffer);
buffer = '';
state = 'relative path start';
}
continue;
} else if (c === '\t' || c === '\n' || c === '\r') {
err('Invalid whitespace in file host.');
} else {
buffer += c;
}
break;
case 'host':
case 'hostname':
if (c === ':' && !seenBracket) {
this._host = IDNAToASCII.call(this, buffer);
buffer = '';
state = 'port';
if (stateOverride === 'hostname') {
break loop;
}
} else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
this._host = IDNAToASCII.call(this, buffer);
buffer = '';
state = 'relative path start';
if (stateOverride) {
break loop;
}
continue;
} else if (c !== '\t' && c !== '\n' && c !== '\r') {
if (c === '[') {
seenBracket = true;
} else if (c === ']') {
seenBracket = false;
}
buffer += c;
} else {
err('Invalid code point in host/hostname: ' + c);
}
break;
case 'port':
if (/[0-9]/.test(c)) {
buffer += c;
} else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#' || stateOverride) {
if (buffer !== '') {
var temp = parseInt(buffer, 10);
if (temp !== relative[this._scheme]) {
this._port = temp + '';
}
buffer = '';
}
if (stateOverride) {
break loop;
}
state = 'relative path start';
continue;
} else if (c === '\t' || c === '\n' || c === '\r') {
err('Invalid code point in port: ' + c);
} else {
invalid.call(this);
}
break;
case 'relative path start':
if (c === '\\') {
err('\'\\\' not allowed in path.');
}
state = 'relative path';
if (c !== '/' && c !== '\\') {
continue;
}
break;
case 'relative path':
if (c === EOF || c === '/' || c === '\\' || !stateOverride && (c === '?' || c === '#')) {
if (c === '\\') {
err('\\ not allowed in relative path.');
}
var tmp;
if (tmp = relativePathDotMapping[buffer.toLowerCase()]) {
buffer = tmp;
}
if (buffer === '..') {
this._path.pop();
if (c !== '/' && c !== '\\') {
this._path.push('');
}
} else if (buffer === '.' && c !== '/' && c !== '\\') {
this._path.push('');
} else if (buffer !== '.') {
if (this._scheme === 'file' && this._path.length === 0 && buffer.length === 2 && ALPHA.test(buffer[0]) && buffer[1] === '|') {
buffer = buffer[0] + ':';
}
this._path.push(buffer);
}
buffer = '';
if (c === '?') {
this._query = '?';
state = 'query';
} else if (c === '#') {
this._fragment = '#';
state = 'fragment';
}
} else if (c !== '\t' && c !== '\n' && c !== '\r') {
buffer += percentEscape(c);
}
break;
case 'query':
if (!stateOverride && c === '#') {
this._fragment = '#';
state = 'fragment';
} else if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') {
this._query += percentEscapeQuery(c);
}
break;
case 'fragment':
if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') {
this._fragment += c;
}
break;
}
cursor++;
}
}
function clear() {
this._scheme = '';
this._schemeData = '';
this._username = '';
this._password = null;
this._host = '';
this._port = '';
this._path = [];
this._query = '';
this._fragment = '';
this._isInvalid = false;
this._isRelative = false;
}
function JURL(url, base) {
if (base !== undefined && !(base instanceof JURL)) {
base = new JURL(String(base));
}
this._url = url;
clear.call(this);
var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, '');
parse.call(this, input, null, base);
}
JURL.prototype = {
toString: function () {
return this.href;
},
get href() {
if (this._isInvalid) {
return this._url;
}
var authority = '';
if (this._username !== '' || this._password !== null) {
authority = this._username + (this._password !== null ? ':' + this._password : '') + '@';
}
return this.protocol + (this._isRelative ? '//' + authority + this.host : '') + this.pathname + this._query + this._fragment;
},
set href(href) {
clear.call(this);
parse.call(this, href);
},
get protocol() {
return this._scheme + ':';
},
set protocol(protocol) {
if (this._isInvalid) {
return;
}
parse.call(this, protocol + ':', 'scheme start');
},
get host() {
return this._isInvalid ? '' : this._port ? this._host + ':' + this._port : this._host;
},
set host(host) {
if (this._isInvalid || !this._isRelative) {
return;
}
parse.call(this, host, 'host');
},
get hostname() {
return this._host;
},
set hostname(hostname) {
if (this._isInvalid || !this._isRelative) {
return;
}
parse.call(this, hostname, 'hostname');
},
get port() {
return this._port;
},
set port(port) {
if (this._isInvalid || !this._isRelative) {
return;
}
parse.call(this, port, 'port');
},
get pathname() {
return this._isInvalid ? '' : this._isRelative ? '/' + this._path.join('/') : this._schemeData;
},
set pathname(pathname) {
if (this._isInvalid || !this._isRelative) {
return;
}
this._path = [];
parse.call(this, pathname, 'relative path start');
},
get search() {
return this._isInvalid || !this._query || this._query === '?' ? '' : this._query;
},
set search(search) {
if (this._isInvalid || !this._isRelative) {
return;
}
this._query = '?';
if (search[0] === '?') {
search = search.slice(1);
}
parse.call(this, search, 'query');
},
get hash() {
return this._isInvalid || !this._fragment || this._fragment === '#' ? '' : this._fragment;
},
set hash(hash) {
if (this._isInvalid) {
return;
}
this._fragment = '#';
if (hash[0] === '#') {
hash = hash.slice(1);
}
parse.call(this, hash, 'fragment');
},
get origin() {
var host;
if (this._isInvalid || !this._scheme) {
return '';
}
switch (this._scheme) {
case 'data':
case 'file':
case 'javascript':
case 'mailto':
return 'null';
}
host = this.host;
if (!host) {
return '';
}
return this._scheme + '://' + host;
}
};
var OriginalURL = globalScope.URL;
if (OriginalURL) {
JURL.createObjectURL = function (blob) {
return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
};
JURL.revokeObjectURL = function (url) {
OriginalURL.revokeObjectURL(url);
};
}
globalScope.URL = JURL;
})();
}
/* WEBPACK VAR INJECTION */}.call(exports, __w_pdfjs_require__(6)))
/***/ })
/******/ ]);
});
/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0)))
/***/ }),
/* 3 */
/***/ (function(module, exports, __webpack_require__) {
/* WEBPACK VAR INJECTION */(function(Buffer) {/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
// css base code, injected by the css-loader
module.exports = function(useSourceMap) {
var list = [];
// return the list of modules as css string
list.toString = function toString() {
return this.map(function (item) {
var content = cssWithMappingToString(item, useSourceMap);
if(item[2]) {
return "@media " + item[2] + "{" + content + "}";
} else {
return content;
}
}).join("");
};
// import a list of modules into the list
list.i = function(modules, mediaQuery) {
if(typeof modules === "string")
modules = [[null, modules, ""]];
var alreadyImportedModules = {};
for(var i = 0; i < this.length; i++) {
var id = this[i][0];
if(typeof id === "number")
alreadyImportedModules[id] = true;
}
for(i = 0; i < modules.length; i++) {
var item = modules[i];
// skip already imported module
// this implementation is not 100% perfect for weird media query combinations
// when a module is imported multiple times with different media queries.
// I hope this will never occur (Hey this way we have smaller bundles)
if(typeof item[0] !== "number" || !alreadyImportedModules[item[0]]) {
if(mediaQuery && !item[2]) {
item[2] = mediaQuery;
} else if(mediaQuery) {
item[2] = "(" + item[2] + ") and (" + mediaQuery + ")";
}
list.push(item);
}
}
};
return list;
};
function cssWithMappingToString(item, useSourceMap) {
var content = item[1] || '';
var cssMapping = item[3];
if (!cssMapping) {
return content;
}
if (useSourceMap) {
var sourceMapping = toComment(cssMapping);
var sourceURLs = cssMapping.sources.map(function (source) {
return '/*# sourceURL=' + cssMapping.sourceRoot + source + ' */'
});
return [content].concat(sourceURLs).concat([sourceMapping]).join('\n');
}
return [content].join('\n');
}
// Adapted from convert-source-map (MIT)
function toComment(sourceMap) {
var base64 = new Buffer(JSON.stringify(sourceMap)).toString('base64');
var data = 'sourceMappingURL=data:application/json;charset=utf-8;base64,' + base64;
return '/*# ' + data + ' */';
}
/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(10).Buffer))
/***/ }),
/* 4 */
/***/ (function(module, exports) {
// this module is a runtime utility for cleaner component module output and will
// be included in the final webpack user bundle
module.exports = function normalizeComponent (
rawScriptExports,
compiledTemplate,
scopeId,
cssModules
) {
var esModule
var scriptExports = rawScriptExports = rawScriptExports || {}
// ES6 modules interop
var type = typeof rawScriptExports.default
if (type === 'object' || type === 'function') {
esModule = rawScriptExports
scriptExports = rawScriptExports.default
}
// Vue.extend constructor export interop
var options = typeof scriptExports === 'function'
? scriptExports.options
: scriptExports
// render functions
if (compiledTemplate) {
options.render = compiledTemplate.render
options.staticRenderFns = compiledTemplate.staticRenderFns
}
// scopedId
if (scopeId) {
options._scopeId = scopeId
}
// inject cssModules
if (cssModules) {
var computed = Object.create(options.computed || null)
Object.keys(cssModules).forEach(function (key) {
var module = cssModules[key]
computed[key] = function () { return module }
})
options.computed = computed
}
return {
esModule: esModule,
exports: scriptExports,
options: options
}
}
/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
Modified by Evan You @yyx990803
*/
var hasDocument = typeof document !== 'undefined'
if (typeof DEBUG !== 'undefined' && DEBUG) {
if (!hasDocument) {
throw new Error(
'vue-style-loader cannot be used in a non-browser environment. ' +
"Use { target: 'node' } in your Webpack config to indicate a server-rendering environment."
) }
}
var listToStyles = __webpack_require__(21)
/*
type StyleObject = {
id: number;
parts: Array<StyleObjectPart>
}
type StyleObjectPart = {
css: string;
media: string;
sourceMap: ?string
}
*/
var stylesInDom = {/*
[id: number]: {
id: number,
refs: number,
parts: Array<(obj?: StyleObjectPart) => void>
}
*/}
var head = hasDocument && (document.head || document.getElementsByTagName('head')[0])
var singletonElement = null
var singletonCounter = 0
var isProduction = false
var noop = function () {}
// Force single-tag solution on IE6-9, which has a hard limit on the # of <style>
// tags it will allow on a page
var isOldIE = typeof navigator !== 'undefined' && /msie [6-9]\b/.test(navigator.userAgent.toLowerCase())
module.exports = function (parentId, list, _isProduction) {
isProduction = _isProduction
var styles = listToStyles(parentId, list)
addStylesToDom(styles)
return function update (newList) {
var mayRemove = []
for (var i = 0; i < styles.length; i++) {
var item = styles[i]
var domStyle = stylesInDom[item.id]
domStyle.refs--
mayRemove.push(domStyle)
}
if (newList) {
styles = listToStyles(parentId, newList)
addStylesToDom(styles)
} else {
styles = []
}
for (var i = 0; i < mayRemove.length; i++) {
var domStyle = mayRemove[i]
if (domStyle.refs === 0) {
for (var j = 0; j < domStyle.parts.length; j++) {
domStyle.parts[j]()
}
delete stylesInDom[domStyle.id]
}
}
}
}
function addStylesToDom (styles /* Array<StyleObject> */) {
for (var i = 0; i < styles.length; i++) {
var item = styles[i]
var domStyle = stylesInDom[item.id]
if (domStyle) {
domStyle.refs++
for (var j = 0; j < domStyle.parts.length; j++) {
domStyle.parts[j](item.parts[j])
}
for (; j < item.parts.length; j++) {
domStyle.parts.push(addStyle(item.parts[j]))
}
if (domStyle.parts.length > item.parts.length) {
domStyle.parts.length = item.parts.length
}
} else {
var parts = []
for (var j = 0; j < item.parts.length; j++) {
parts.push(addStyle(item.parts[j]))
}
stylesInDom[item.id] = { id: item.id, refs: 1, parts: parts }
}
}
}
function createStyleElement () {
var styleElement = document.createElement('style')
styleElement.type = 'text/css'
head.appendChild(styleElement)
return styleElement
}
function addStyle (obj /* StyleObjectPart */) {
var update, remove
var styleElement = document.querySelector('style[data-vue-ssr-id~="' + obj.id + '"]')
if (styleElement) {
if (isProduction) {
// has SSR styles and in production mode.
// simply do nothing.
return noop
} else {
// has SSR styles but in dev mode.
// for some reason Chrome can't handle source map in server-rendered
// style tags - source maps in <style> only works if the style tag is
// created and inserted dynamically. So we remove the server rendered
// styles and inject new ones.
styleElement.parentNode.removeChild(styleElement)
}
}
if (isOldIE) {
// use singleton mode for IE9.
var styleIndex = singletonCounter++
styleElement = singletonElement || (singletonElement = createStyleElement())
update = applyToSingletonTag.bind(null, styleElement, styleIndex, false)
remove = applyToSingletonTag.bind(null, styleElement, styleIndex, true)
} else {
// use multi-style-tag mode in all other cases
styleElement = createStyleElement()
update = applyToTag.bind(null, styleElement)
remove = function () {
styleElement.parentNode.removeChild(styleElement)
}
}
update(obj)
return function updateStyle (newObj /* StyleObjectPart */) {
if (newObj) {
if (newObj.css === obj.css &&
newObj.media === obj.media &&
newObj.sourceMap === obj.sourceMap) {
return
}
update(obj = newObj)
} else {
remove()
}
}
}
var replaceText = (function () {
var textStore = []
return function (index, replacement) {
textStore[index] = replacement
return textStore.filter(Boolean).join('\n')
}
})()
function applyToSingletonTag (styleElement, index, remove, obj) {
var css = remove ? '' : obj.css
if (styleElement.styleSheet) {
styleElement.styleSheet.cssText = replaceText(index, css)
} else {
var cssNode = document.createTextNode(css)
var childNodes = styleElement.childNodes
if (childNodes[index]) styleElement.removeChild(childNodes[index])
if (childNodes.length) {
styleElement.insertBefore(cssNode, childNodes[index])
} else {
styleElement.appendChild(cssNode)
}
}
}
function applyToTag (styleElement, obj) {
var css = obj.css
var media = obj.media
var sourceMap = obj.sourceMap
if (media) {
styleElement.setAttribute('media', media)
}
if (sourceMap) {
// https://developer.chrome.com/devtools/docs/javascript-debugging
// this makes source maps inside style tags work properly in Chrome
css += '\n/*# sourceURL=' + sourceMap.sources[0] + ' */'
// http://stackoverflow.com/a/26603875
css += '\n/*# sourceMappingURL=data:application/json;base64,' + btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))) + ' */'
}
if (styleElement.styleSheet) {
styleElement.styleSheet.cssText = css
} else {
while (styleElement.firstChild) {
styleElement.removeChild(styleElement.firstChild)
}
styleElement.appendChild(document.createTextNode(css))
}
}
/***/ }),
/* 6 */
/***/ (function(module, exports, __webpack_require__) {
/* styles */
__webpack_require__(19)
var Component = __webpack_require__(4)(
/* script */
__webpack_require__(7),
/* template */
__webpack_require__(17),
/* scopeId */
null,
/* cssModules */
null
)
module.exports = Component.exports
/***/ }),
/* 7 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _pdfjsDist = __webpack_require__(2);
var _pdfjsDist2 = _interopRequireDefault(_pdfjsDist);
var _index = __webpack_require__(16);
var _index2 = _interopRequireDefault(_index);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
//
//
//
//
//
//
//
//
//
//
exports.default = {
props: {
pdf: {
type: [String, Uint8Array],
required: true
}
},
data: function data() {
return {
loading: false,
pages: []
};
},
components: { page: _index2.default },
watch: { pdf: 'load' },
computed: {
document: function document() {
return typeof this.pdf === 'string' ? this.pdf : { data: this.pdf };
},
hasPDF: function hasPDF() {
return this.pdf && this.pdf.length > 0;
}
},
methods: {
load: function load() {
var _this = this;
this.pages = [];
return _pdfjsDist2.default.getDocument(this.document).then(this.renderPages).then(function () {
return _this.$emit('pdflabload');
}).catch(function (error) {
return _this.$emit('pdflaberror', error);
}).then(function () {
_this.loading = false;
});
},
renderPages: function renderPages(pdf) {
var _this2 = this;
var pagePromises = [];
this.loading = true;
for (var num = 1; num <= pdf.numPages; num += 1) {
pagePromises.push(pdf.getPage(num).then(function (p) {
return _this2.pages.push(p);
}));
}
return Promise.all(pagePromises);
}
},
mounted: function mounted() {
if (this.hasPDF) this.load();
}
};
/***/ }),
/* 8 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
//
//
//
//
//
//
//
exports.default = {
props: {
page: {
type: Object,
required: true
},
number: {
type: Number,
required: true
}
},
data: function data() {
return {
scale: 4,
rendering: false
};
},
computed: {
viewport: function viewport() {
return this.page.getViewport(this.scale);
},
context: function context() {
return this.$refs.canvas.getContext('2d');
},
renderContext: function renderContext() {
return {
canvasContext: this.context,
viewport: this.viewport
};
}
},
mounted: function mounted() {
var _this = this;
this.$refs.canvas.height = this.viewport.height;
this.$refs.canvas.width = this.viewport.width;
this.rendering = true;
this.page.render(this.renderContext).then(function () {
_this.rendering = false;
});
}
};
/***/ }),
/* 9 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
exports.byteLength = byteLength
exports.toByteArray = toByteArray
exports.fromByteArray = fromByteArray
var lookup = []
var revLookup = []
var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
for (var i = 0, len = code.length; i < len; ++i) {
lookup[i] = code[i]
revLookup[code.charCodeAt(i)] = i
}
revLookup['-'.charCodeAt(0)] = 62
revLookup['_'.charCodeAt(0)] = 63
function placeHoldersCount (b64) {
var len = b64.length
if (len % 4 > 0) {
throw new Error('Invalid string. Length must be a multiple of 4')
}
// the number of equal signs (place holders)
// if there are two placeholders, than the two characters before it
// represent one byte
// if there is only one, then the three characters before it represent 2 bytes
// this is just a cheap hack to not do indexOf twice
return b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0
}
function byteLength (b64) {
// base64 is 4/3 + up to two characters of the original data
return b64.length * 3 / 4 - placeHoldersCount(b64)
}
function toByteArray (b64) {
var i, j, l, tmp, placeHolders, arr
var len = b64.length
placeHolders = placeHoldersCount(b64)
arr = new Arr(len * 3 / 4 - placeHolders)
// if there are placeholders, only get up to the last complete 4 chars
l = placeHolders > 0 ? len - 4 : len
var L = 0
for (i = 0, j = 0; i < l; i += 4, j += 3) {
tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]
arr[L++] = (tmp >> 16) & 0xFF
arr[L++] = (tmp >> 8) & 0xFF
arr[L++] = tmp & 0xFF
}
if (placeHolders === 2) {
tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4)
arr[L++] = tmp & 0xFF
} else if (placeHolders === 1) {
tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2)
arr[L++] = (tmp >> 8) & 0xFF
arr[L++] = tmp & 0xFF
}
return arr
}
function tripletToBase64 (num) {
return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
}
function encodeChunk (uint8, start, end) {
var tmp
var output = []
for (var i = start; i < end; i += 3) {
tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
output.push(tripletToBase64(tmp))
}
return output.join('')
}
function fromByteArray (uint8) {
var tmp
var len = uint8.length
var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
var output = ''
var parts = []
var maxChunkLength = 16383 // must be multiple of 3
// go through the array every three bytes, we'll deal with trailing stuff later
for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
}
// pad the end with zeros, but make sure to not forget the extra bytes
if (extraBytes === 1) {
tmp = uint8[len - 1]
output += lookup[tmp >> 2]
output += lookup[(tmp << 4) & 0x3F]
output += '=='
} else if (extraBytes === 2) {
tmp = (uint8[len - 2] << 8) + (uint8[len - 1])
output += lookup[tmp >> 10]
output += lookup[(tmp >> 4) & 0x3F]
output += lookup[(tmp << 2) & 0x3F]
output += '='
}
parts.push(output)
return parts.join('')
}
/***/ }),
/* 10 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
/* WEBPACK VAR INJECTION */(function(global) {/*!
* The buffer module from node.js, for the browser.
*
* @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
* @license MIT
*/
/* eslint-disable no-proto */
var base64 = __webpack_require__(9)
var ieee754 = __webpack_require__(13)
var isArray = __webpack_require__(14)
exports.Buffer = Buffer
exports.SlowBuffer = SlowBuffer
exports.INSPECT_MAX_BYTES = 50
/**
* If `Buffer.TYPED_ARRAY_SUPPORT`:
* === true Use Uint8Array implementation (fastest)
* === false Use Object implementation (most compatible, even IE6)
*
* Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
* Opera 11.6+, iOS 4.2+.
*
* Due to various browser bugs, sometimes the Object implementation will be used even
* when the browser supports typed arrays.
*
* Note:
*
* - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
* See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
*
* - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
*
* - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
* incorrect length in some situations.
* We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
* get the Object implementation, which is slower but behaves correctly.
*/
Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
? global.TYPED_ARRAY_SUPPORT
: typedArraySupport()
/*
* Export kMaxLength after typed array support is determined.
*/
exports.kMaxLength = kMaxLength()
function typedArraySupport () {
try {
var arr = new Uint8Array(1)
arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}
return arr.foo() === 42 && // typed array instances can be augmented
typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
} catch (e) {
return false
}
}
function kMaxLength () {
return Buffer.TYPED_ARRAY_SUPPORT
? 0x7fffffff
: 0x3fffffff
}
function createBuffer (that, length) {
if (kMaxLength() < length) {
throw new RangeError('Invalid typed array length')
}
if (Buffer.TYPED_ARRAY_SUPPORT) {
// Return an augmented `Uint8Array` instance, for best performance
that = new Uint8Array(length)
that.__proto__ = Buffer.prototype
} else {
// Fallback: Return an object instance of the Buffer class
if (that === null) {
that = new Buffer(length)
}
that.length = length
}
return that
}
/**
* The Buffer constructor returns instances of `Uint8Array` that have their
* prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
* `Uint8Array`, so the returned instances will have all the node `Buffer` methods
* and the `Uint8Array` methods. Square bracket notation works as expected -- it
* returns a single octet.
*
* The `Uint8Array` prototype remains unmodified.
*/
function Buffer (arg, encodingOrOffset, length) {
if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
return new Buffer(arg, encodingOrOffset, length)
}
// Common case.
if (typeof arg === 'number') {
if (typeof encodingOrOffset === 'string') {
throw new Error(
'If encoding is specified then the first argument must be a string'
)
}
return allocUnsafe(this, arg)
}
return from(this, arg, encodingOrOffset, length)
}
Buffer.poolSize = 8192 // not used by this implementation
// TODO: Legacy, not needed anymore. Remove in next major version.
Buffer._augment = function (arr) {
arr.__proto__ = Buffer.prototype
return arr
}
function from (that, value, encodingOrOffset, length) {
if (typeof value === 'number') {
throw new TypeError('"value" argument must not be a number')
}
if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
return fromArrayBuffer(that, value, encodingOrOffset, length)
}
if (typeof value === 'string') {
return fromString(that, value, encodingOrOffset)
}
return fromObject(that, value)
}
/**
* Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
* if value is a number.
* Buffer.from(str[, encoding])
* Buffer.from(array)
* Buffer.from(buffer)
* Buffer.from(arrayBuffer[, byteOffset[, length]])
**/
Buffer.from = function (value, encodingOrOffset, length) {
return from(null, value, encodingOrOffset, length)
}
if (Buffer.TYPED_ARRAY_SUPPORT) {
Buffer.prototype.__proto__ = Uint8Array.prototype
Buffer.__proto__ = Uint8Array
if (typeof Symbol !== 'undefined' && Symbol.species &&
Buffer[Symbol.species] === Buffer) {
// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
Object.defineProperty(Buffer, Symbol.species, {
value: null,
configurable: true
})
}
}
function assertSize (size) {
if (typeof size !== 'number') {
throw new TypeError('"size" argument must be a number')
} else if (size < 0) {
throw new RangeError('"size" argument must not be negative')
}
}
function alloc (that, size, fill, encoding) {
assertSize(size)
if (size <= 0) {
return createBuffer(that, size)
}
if (fill !== undefined) {
// Only pay attention to encoding if it's a string. This
// prevents accidentally sending in a number that would
// be interpretted as a start offset.
return typeof encoding === 'string'
? createBuffer(that, size).fill(fill, encoding)
: createBuffer(that, size).fill(fill)
}
return createBuffer(that, size)
}
/**
* Creates a new filled Buffer instance.
* alloc(size[, fill[, encoding]])
**/
Buffer.alloc = function (size, fill, encoding) {
return alloc(null, size, fill, encoding)
}
function allocUnsafe (that, size) {
assertSize(size)
that = createBuffer(that, size < 0 ? 0 : checked(size) | 0)
if (!Buffer.TYPED_ARRAY_SUPPORT) {
for (var i = 0; i < size; ++i) {
that[i] = 0
}
}
return that
}
/**
* Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
* */
Buffer.allocUnsafe = function (size) {
return allocUnsafe(null, size)
}
/**
* Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
*/
Buffer.allocUnsafeSlow = function (size) {
return allocUnsafe(null, size)
}
function fromString (that, string, encoding) {
if (typeof encoding !== 'string' || encoding === '') {
encoding = 'utf8'
}
if (!Buffer.isEncoding(encoding)) {
throw new TypeError('"encoding" must be a valid string encoding')
}
var length = byteLength(string, encoding) | 0
that = createBuffer(that, length)
var actual = that.write(string, encoding)
if (actual !== length) {
// Writing a hex string, for example, that contains invalid characters will
// cause everything after the first invalid character to be ignored. (e.g.
// 'abxxcd' will be treated as 'ab')
that = that.slice(0, actual)
}
return that
}
function fromArrayLike (that, array) {
var length = array.length < 0 ? 0 : checked(array.length) | 0
that = createBuffer(that, length)
for (var i = 0; i < length; i += 1) {
that[i] = array[i] & 255
}
return that
}
function fromArrayBuffer (that, array, byteOffset, length) {
array.byteLength // this throws if `array` is not a valid ArrayBuffer
if (byteOffset < 0 || array.byteLength < byteOffset) {
throw new RangeError('\'offset\' is out of bounds')
}
if (array.byteLength < byteOffset + (length || 0)) {
throw new RangeError('\'length\' is out of bounds')
}
if (byteOffset === undefined && length === undefined) {
array = new Uint8Array(array)
} else if (length === undefined) {
array = new Uint8Array(array, byteOffset)
} else {
array = new Uint8Array(array, byteOffset, length)
}
if (Buffer.TYPED_ARRAY_SUPPORT) {
// Return an augmented `Uint8Array` instance, for best performance
that = array
that.__proto__ = Buffer.prototype
} else {
// Fallback: Return an object instance of the Buffer class
that = fromArrayLike(that, array)
}
return that
}
function fromObject (that, obj) {
if (Buffer.isBuffer(obj)) {
var len = checked(obj.length) | 0
that = createBuffer(that, len)
if (that.length === 0) {
return that
}
obj.copy(that, 0, 0, len)
return that
}
if (obj) {
if ((typeof ArrayBuffer !== 'undefined' &&
obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
if (typeof obj.length !== 'number' || isnan(obj.length)) {
return createBuffer(that, 0)
}
return fromArrayLike(that, obj)
}
if (obj.type === 'Buffer' && isArray(obj.data)) {
return fromArrayLike(that, obj.data)
}
}
throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
}
function checked (length) {
// Note: cannot use `length < kMaxLength()` here because that fails when
// length is NaN (which is otherwise coerced to zero.)
if (length >= kMaxLength()) {
throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
'size: 0x' + kMaxLength().toString(16) + ' bytes')
}
return length | 0
}
function SlowBuffer (length) {
if (+length != length) { // eslint-disable-line eqeqeq
length = 0
}
return Buffer.alloc(+length)
}
Buffer.isBuffer = function isBuffer (b) {
return !!(b != null && b._isBuffer)
}
Buffer.compare = function compare (a, b) {
if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
throw new TypeError('Arguments must be Buffers')
}
if (a === b) return 0
var x = a.length
var y = b.length
for (var i = 0, len = Math.min(x, y); i < len; ++i) {
if (a[i] !== b[i]) {
x = a[i]
y = b[i]
break
}
}
if (x < y) return -1
if (y < x) return 1
return 0
}
Buffer.isEncoding = function isEncoding (encoding) {
switch (String(encoding).toLowerCase()) {
case 'hex':
case 'utf8':
case 'utf-8':
case 'ascii':
case 'latin1':
case 'binary':
case 'base64':
case 'ucs2':
case 'ucs-2':
case 'utf16le':
case 'utf-16le':
return true
default:
return false
}
}
Buffer.concat = function concat (list, length) {
if (!isArray(list)) {
throw new TypeError('"list" argument must be an Array of Buffers')
}
if (list.length === 0) {
return Buffer.alloc(0)
}
var i
if (length === undefined) {
length = 0
for (i = 0; i < list.length; ++i) {
length += list[i].length
}
}
var buffer = Buffer.allocUnsafe(length)
var pos = 0
for (i = 0; i < list.length; ++i) {
var buf = list[i]
if (!Buffer.isBuffer(buf)) {
throw new TypeError('"list" argument must be an Array of Buffers')
}
buf.copy(buffer, pos)
pos += buf.length
}
return buffer
}
function byteLength (string, encoding) {
if (Buffer.isBuffer(string)) {
return string.length
}
if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
(ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
return string.byteLength
}
if (typeof string !== 'string') {
string = '' + string
}
var len = string.length
if (len === 0) return 0
// Use a for loop to avoid recursion
var loweredCase = false
for (;;) {
switch (encoding) {
case 'ascii':
case 'latin1':
case 'binary':
return len
case 'utf8':
case 'utf-8':
case undefined:
return utf8ToBytes(string).length
case 'ucs2':
case 'ucs-2':
case 'utf16le':
case 'utf-16le':
return len * 2
case 'hex':
return len >>> 1
case 'base64':
return base64ToBytes(string).length
default:
if (loweredCase) return utf8ToBytes(string).length // assume utf8
encoding = ('' + encoding).toLowerCase()
loweredCase = true
}
}
}
Buffer.byteLength = byteLength
function slowToString (encoding, start, end) {
var loweredCase = false
// No need to verify that "this.length <= MAX_UINT32" since it's a read-only
// property of a typed array.
// This behaves neither like String nor Uint8Array in that we set start/end
// to their upper/lower bounds if the value passed is out of range.
// undefined is handled specially as per ECMA-262 6th Edition,
// Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
if (start === undefined || start < 0) {
start = 0
}
// Return early if start > this.length. Done here to prevent potential uint32
// coercion fail below.
if (start > this.length) {
return ''
}
if (end === undefined || end > this.length) {
end = this.length
}
if (end <= 0) {
return ''
}
// Force coersion to uint32. This will also coerce falsey/NaN values to 0.
end >>>= 0
start >>>= 0
if (end <= start) {
return ''
}
if (!encoding) encoding = 'utf8'
while (true) {
switch (encoding) {
case 'hex':
return hexSlice(this, start, end)
case 'utf8':
case 'utf-8':
return utf8Slice(this, start, end)
case 'ascii':
return asciiSlice(this, start, end)
case 'latin1':
case 'binary':
return latin1Slice(this, start, end)
case 'base64':
return base64Slice(this, start, end)
case 'ucs2':
case 'ucs-2':
case 'utf16le':
case 'utf-16le':
return utf16leSlice(this, start, end)
default:
if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
encoding = (encoding + '').toLowerCase()
loweredCase = true
}
}
}
// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
// Buffer instances.
Buffer.prototype._isBuffer = true
function swap (b, n, m) {
var i = b[n]
b[n] = b[m]
b[m] = i
}
Buffer.prototype.swap16 = function swap16 () {
var len = this.length
if (len % 2 !== 0) {
throw new RangeError('Buffer size must be a multiple of 16-bits')
}
for (var i = 0; i < len; i += 2) {
swap(this, i, i + 1)
}
return this
}
Buffer.prototype.swap32 = function swap32 () {
var len = this.length
if (len % 4 !== 0) {
throw new RangeError('Buffer size must be a multiple of 32-bits')
}
for (var i = 0; i < len; i += 4) {
swap(this, i, i + 3)
swap(this, i + 1, i + 2)
}
return this
}
Buffer.prototype.swap64 = function swap64 () {
var len = this.length
if (len % 8 !== 0) {
throw new RangeError('Buffer size must be a multiple of 64-bits')
}
for (var i = 0; i < len; i += 8) {
swap(this, i, i + 7)
swap(this, i + 1, i + 6)
swap(this, i + 2, i + 5)
swap(this, i + 3, i + 4)
}
return this
}
Buffer.prototype.toString = function toString () {
var length = this.length | 0
if (length === 0) return ''
if (arguments.length === 0) return utf8Slice(this, 0, length)
return slowToString.apply(this, arguments)
}
Buffer.prototype.equals = function equals (b) {
if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
if (this === b) return true
return Buffer.compare(this, b) === 0
}
Buffer.prototype.inspect = function inspect () {
var str = ''
var max = exports.INSPECT_MAX_BYTES
if (this.length > 0) {
str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
if (this.length > max) str += ' ... '
}
return '<Buffer ' + str + '>'
}
Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
if (!Buffer.isBuffer(target)) {
throw new TypeError('Argument must be a Buffer')
}
if (start === undefined) {
start = 0
}
if (end === undefined) {
end = target ? target.length : 0
}
if (thisStart === undefined) {
thisStart = 0
}
if (thisEnd === undefined) {
thisEnd = this.length
}
if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
throw new RangeError('out of range index')
}
if (thisStart >= thisEnd && start >= end) {
return 0
}
if (thisStart >= thisEnd) {
return -1
}
if (start >= end) {
return 1
}
start >>>= 0
end >>>= 0
thisStart >>>= 0
thisEnd >>>= 0
if (this === target) return 0
var x = thisEnd - thisStart
var y = end - start
var len = Math.min(x, y)
var thisCopy = this.slice(thisStart, thisEnd)
var targetCopy = target.slice(start, end)
for (var i = 0; i < len; ++i) {
if (thisCopy[i] !== targetCopy[i]) {
x = thisCopy[i]
y = targetCopy[i]
break
}
}
if (x < y) return -1
if (y < x) return 1
return 0
}
// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
//
// Arguments:
// - buffer - a Buffer to search
// - val - a string, Buffer, or number
// - byteOffset - an index into `buffer`; will be clamped to an int32
// - encoding - an optional encoding, relevant is val is a string
// - dir - true for indexOf, false for lastIndexOf
function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
// Empty buffer means no match
if (buffer.length === 0) return -1
// Normalize byteOffset
if (typeof byteOffset === 'string') {
encoding = byteOffset
byteOffset = 0
} else if (byteOffset > 0x7fffffff) {
byteOffset = 0x7fffffff
} else if (byteOffset < -0x80000000) {
byteOffset = -0x80000000
}
byteOffset = +byteOffset // Coerce to Number.
if (isNaN(byteOffset)) {
// byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
byteOffset = dir ? 0 : (buffer.length - 1)
}
// Normalize byteOffset: negative offsets start from the end of the buffer
if (byteOffset < 0) byteOffset = buffer.length + byteOffset
if (byteOffset >= buffer.length) {
if (dir) return -1
else byteOffset = buffer.length - 1
} else if (byteOffset < 0) {
if (dir) byteOffset = 0
else return -1
}
// Normalize val
if (typeof val === 'string') {
val = Buffer.from(val, encoding)
}
// Finally, search either indexOf (if dir is true) or lastIndexOf
if (Buffer.isBuffer(val)) {
// Special case: looking for empty string/buffer always fails
if (val.length === 0) {
return -1
}
return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
} else if (typeof val === 'number') {
val = val & 0xFF // Search for a byte value [0-255]
if (Buffer.TYPED_ARRAY_SUPPORT &&
typeof Uint8Array.prototype.indexOf === 'function') {
if (dir) {
return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
} else {
return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
}
}
return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
}
throw new TypeError('val must be string, number or Buffer')
}
function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
var indexSize = 1
var arrLength = arr.length
var valLength = val.length
if (encoding !== undefined) {
encoding = String(encoding).toLowerCase()
if (encoding === 'ucs2' || encoding === 'ucs-2' ||
encoding === 'utf16le' || encoding === 'utf-16le') {
if (arr.length < 2 || val.length < 2) {
return -1
}
indexSize = 2
arrLength /= 2
valLength /= 2
byteOffset /= 2
}
}
function read (buf, i) {
if (indexSize === 1) {
return buf[i]
} else {
return buf.readUInt16BE(i * indexSize)
}
}
var i
if (dir) {
var foundIndex = -1
for (i = byteOffset; i < arrLength; i++) {
if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
if (foundIndex === -1) foundIndex = i
if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
} else {
if (foundIndex !== -1) i -= i - foundIndex
foundIndex = -1
}
}
} else {
if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
for (i = byteOffset; i >= 0; i--) {
var found = true
for (var j = 0; j < valLength; j++) {
if (read(arr, i + j) !== read(val, j)) {
found = false
break
}
}
if (found) return i
}
}
return -1
}
Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
return this.indexOf(val, byteOffset, encoding) !== -1
}
Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
}
Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
}
function hexWrite (buf, string, offset, length) {
offset = Number(offset) || 0
var remaining = buf.length - offset
if (!length) {
length = remaining
} else {
length = Number(length)
if (length > remaining) {
length = remaining
}
}
// must be an even number of digits
var strLen = string.length
if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
if (length > strLen / 2) {
length = strLen / 2
}
for (var i = 0; i < length; ++i) {
var parsed = parseInt(string.substr(i * 2, 2), 16)
if (isNaN(parsed)) return i
buf[offset + i] = parsed
}
return i
}
function utf8Write (buf, string, offset, length) {
return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
}
function asciiWrite (buf, string, offset, length) {
return blitBuffer(asciiToBytes(string), buf, offset, length)
}
function latin1Write (buf, string, offset, length) {
return asciiWrite(buf, string, offset, length)
}
function base64Write (buf, string, offset, length) {
return blitBuffer(base64ToBytes(string), buf, offset, length)
}
function ucs2Write (buf, string, offset, length) {
return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
}
Buffer.prototype.write = function write (string, offset, length, encoding) {
// Buffer#write(string)
if (offset === undefined) {
encoding = 'utf8'
length = this.length
offset = 0
// Buffer#write(string, encoding)
} else if (length === undefined && typeof offset === 'string') {
encoding = offset
length = this.length
offset = 0
// Buffer#write(string, offset[, length][, encoding])
} else if (isFinite(offset)) {
offset = offset | 0
if (isFinite(length)) {
length = length | 0
if (encoding === undefined) encoding = 'utf8'
} else {
encoding = length
length = undefined
}
// legacy write(string, encoding, offset, length) - remove in v0.13
} else {
throw new Error(
'Buffer.write(string, encoding, offset[, length]) is no longer supported'
)
}
var remaining = this.length - offset
if (length === undefined || length > remaining) length = remaining
if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
throw new RangeError('Attempt to write outside buffer bounds')
}
if (!encoding) encoding = 'utf8'
var loweredCase = false
for (;;) {
switch (encoding) {
case 'hex':
return hexWrite(this, string, offset, length)
case 'utf8':
case 'utf-8':
return utf8Write(this, string, offset, length)
case 'ascii':
return asciiWrite(this, string, offset, length)
case 'latin1':
case 'binary':
return latin1Write(this, string, offset, length)
case 'base64':
// Warning: maxLength not taken into account in base64Write
return base64Write(this, string, offset, length)
case 'ucs2':
case 'ucs-2':
case 'utf16le':
case 'utf-16le':
return ucs2Write(this, string, offset, length)
default:
if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
encoding = ('' + encoding).toLowerCase()
loweredCase = true
}
}
}
Buffer.prototype.toJSON = function toJSON () {
return {
type: 'Buffer',
data: Array.prototype.slice.call(this._arr || this, 0)
}
}
function base64Slice (buf, start, end) {
if (start === 0 && end === buf.length) {
return base64.fromByteArray(buf)
} else {
return base64.fromByteArray(buf.slice(start, end))
}
}
function utf8Slice (buf, start, end) {
end = Math.min(buf.length, end)
var res = []
var i = start
while (i < end) {
var firstByte = buf[i]
var codePoint = null
var bytesPerSequence = (firstByte > 0xEF) ? 4
: (firstByte > 0xDF) ? 3
: (firstByte > 0xBF) ? 2
: 1
if (i + bytesPerSequence <= end) {
var secondByte, thirdByte, fourthByte, tempCodePoint
switch (bytesPerSequence) {
case 1:
if (firstByte < 0x80) {
codePoint = firstByte
}
break
case 2:
secondByte = buf[i + 1]
if ((secondByte & 0xC0) === 0x80) {
tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
if (tempCodePoint > 0x7F) {
codePoint = tempCodePoint
}
}
break
case 3:
secondByte = buf[i + 1]
thirdByte = buf[i + 2]
if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
codePoint = tempCodePoint
}
}
break
case 4:
secondByte = buf[i + 1]
thirdByte = buf[i + 2]
fourthByte = buf[i + 3]
if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
codePoint = tempCodePoint
}
}
}
}
if (codePoint === null) {
// we did not generate a valid codePoint so insert a
// replacement char (U+FFFD) and advance only 1 byte
codePoint = 0xFFFD
bytesPerSequence = 1
} else if (codePoint > 0xFFFF) {
// encode to utf16 (surrogate pair dance)
codePoint -= 0x10000
res.push(codePoint >>> 10 & 0x3FF | 0xD800)
codePoint = 0xDC00 | codePoint & 0x3FF
}
res.push(codePoint)
i += bytesPerSequence
}
return decodeCodePointsArray(res)
}
// Based on http://stackoverflow.com/a/22747272/680742, the browser with
// the lowest limit is Chrome, with 0x10000 args.
// We go 1 magnitude less, for safety
var MAX_ARGUMENTS_LENGTH = 0x1000
function decodeCodePointsArray (codePoints) {
var len = codePoints.length
if (len <= MAX_ARGUMENTS_LENGTH) {
return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
}
// Decode in chunks to avoid "call stack size exceeded".
var res = ''
var i = 0
while (i < len) {
res += String.fromCharCode.apply(
String,
codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
)
}
return res
}
function asciiSlice (buf, start, end) {
var ret = ''
end = Math.min(buf.length, end)
for (var i = start; i < end; ++i) {
ret += String.fromCharCode(buf[i] & 0x7F)
}
return ret
}
function latin1Slice (buf, start, end) {
var ret = ''
end = Math.min(buf.length, end)
for (var i = start; i < end; ++i) {
ret += String.fromCharCode(buf[i])
}
return ret
}
function hexSlice (buf, start, end) {
var len = buf.length
if (!start || start < 0) start = 0
if (!end || end < 0 || end > len) end = len
var out = ''
for (var i = start; i < end; ++i) {
out += toHex(buf[i])
}
return out
}
function utf16leSlice (buf, start, end) {
var bytes = buf.slice(start, end)
var res = ''
for (var i = 0; i < bytes.length; i += 2) {
res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
}
return res
}
Buffer.prototype.slice = function slice (start, end) {
var len = this.length
start = ~~start
end = end === undefined ? len : ~~end
if (start < 0) {
start += len
if (start < 0) start = 0
} else if (start > len) {
start = len
}
if (end < 0) {
end += len
if (end < 0) end = 0
} else if (end > len) {
end = len
}
if (end < start) end = start
var newBuf
if (Buffer.TYPED_ARRAY_SUPPORT) {
newBuf = this.subarray(start, end)
newBuf.__proto__ = Buffer.prototype
} else {
var sliceLen = end - start
newBuf = new Buffer(sliceLen, undefined)
for (var i = 0; i < sliceLen; ++i) {
newBuf[i] = this[i + start]
}
}
return newBuf
}
/*
* Need to make sure that buffer isn't trying to write out of bounds.
*/
function checkOffset (offset, ext, length) {
if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
}
Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
offset = offset | 0
byteLength = byteLength | 0
if (!noAssert) checkOffset(offset, byteLength, this.length)
var val = this[offset]
var mul = 1
var i = 0
while (++i < byteLength && (mul *= 0x100)) {
val += this[offset + i] * mul
}
return val
}
Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
offset = offset | 0
byteLength = byteLength | 0
if (!noAssert) {
checkOffset(offset, byteLength, this.length)
}
var val = this[offset + --byteLength]
var mul = 1
while (byteLength > 0 && (mul *= 0x100)) {
val += this[offset + --byteLength] * mul
}
return val
}
Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
if (!noAssert) checkOffset(offset, 1, this.length)
return this[offset]
}
Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
if (!noAssert) checkOffset(offset, 2, this.length)
return this[offset] | (this[offset + 1] << 8)
}
Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
if (!noAssert) checkOffset(offset, 2, this.length)
return (this[offset] << 8) | this[offset + 1]
}
Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
if (!noAssert) checkOffset(offset, 4, this.length)
return ((this[offset]) |
(this[offset + 1] << 8) |
(this[offset + 2] << 16)) +
(this[offset + 3] * 0x1000000)
}
Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
if (!noAssert) checkOffset(offset, 4, this.length)
return (this[offset] * 0x1000000) +
((this[offset + 1] << 16) |
(this[offset + 2] << 8) |
this[offset + 3])
}
Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
offset = offset | 0
byteLength = byteLength | 0
if (!noAssert) checkOffset(offset, byteLength, this.length)
var val = this[offset]
var mul = 1
var i = 0
while (++i < byteLength && (mul *= 0x100)) {
val += this[offset + i] * mul
}
mul *= 0x80
if (val >= mul) val -= Math.pow(2, 8 * byteLength)
return val
}
Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
offset = offset | 0
byteLength = byteLength | 0
if (!noAssert) checkOffset(offset, byteLength, this.length)
var i = byteLength
var mul = 1
var val = this[offset + --i]
while (i > 0 && (mul *= 0x100)) {
val += this[offset + --i] * mul
}
mul *= 0x80
if (val >= mul) val -= Math.pow(2, 8 * byteLength)
return val
}
Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
if (!noAssert) checkOffset(offset, 1, this.length)
if (!(this[offset] & 0x80)) return (this[offset])
return ((0xff - this[offset] + 1) * -1)
}
Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
if (!noAssert) checkOffset(offset, 2, this.length)
var val = this[offset] | (this[offset + 1] << 8)
return (val & 0x8000) ? val | 0xFFFF0000 : val
}
Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
if (!noAssert) checkOffset(offset, 2, this.length)
var val = this[offset + 1] | (this[offset] << 8)
return (val & 0x8000) ? val | 0xFFFF0000 : val
}
Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
if (!noAssert) checkOffset(offset, 4, this.length)
return (this[offset]) |
(this[offset + 1] << 8) |
(this[offset + 2] << 16) |
(this[offset + 3] << 24)
}
Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
if (!noAssert) checkOffset(offset, 4, this.length)
return (this[offset] << 24) |
(this[offset + 1] << 16) |
(this[offset + 2] << 8) |
(this[offset + 3])
}
Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
if (!noAssert) checkOffset(offset, 4, this.length)
return ieee754.read(this, offset, true, 23, 4)
}
Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
if (!noAssert) checkOffset(offset, 4, this.length)
return ieee754.read(this, offset, false, 23, 4)
}
Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
if (!noAssert) checkOffset(offset, 8, this.length)
return ieee754.read(this, offset, true, 52, 8)
}
Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
if (!noAssert) checkOffset(offset, 8, this.length)
return ieee754.read(this, offset, false, 52, 8)
}
function checkInt (buf, value, offset, ext, max, min) {
if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
if (offset + ext > buf.length) throw new RangeError('Index out of range')
}
Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
value = +value
offset = offset | 0
byteLength = byteLength | 0
if (!noAssert) {
var maxBytes = Math.pow(2, 8 * byteLength) - 1
checkInt(this, value, offset, byteLength, maxBytes, 0)
}
var mul = 1
var i = 0
this[offset] = value & 0xFF
while (++i < byteLength && (mul *= 0x100)) {
this[offset + i] = (value / mul) & 0xFF
}
return offset + byteLength
}
Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
value = +value
offset = offset | 0
byteLength = byteLength | 0
if (!noAssert) {
var maxBytes = Math.pow(2, 8 * byteLength) - 1
checkInt(this, value, offset, byteLength, maxBytes, 0)
}
var i = byteLength - 1
var mul = 1
this[offset + i] = value & 0xFF
while (--i >= 0 && (mul *= 0x100)) {
this[offset + i] = (value / mul) & 0xFF
}
return offset + byteLength
}
Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
value = +value
offset = offset | 0
if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
this[offset] = (value & 0xff)
return offset + 1
}
function objectWriteUInt16 (buf, value, offset, littleEndian) {
if (value < 0) value = 0xffff + value + 1
for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
(littleEndian ? i : 1 - i) * 8
}
}
Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
value = +value
offset = offset | 0
if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = (value & 0xff)
this[offset + 1] = (value >>> 8)
} else {
objectWriteUInt16(this, value, offset, true)
}
return offset + 2
}
Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
value = +value
offset = offset | 0
if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = (value >>> 8)
this[offset + 1] = (value & 0xff)
} else {
objectWriteUInt16(this, value, offset, false)
}
return offset + 2
}
function objectWriteUInt32 (buf, value, offset, littleEndian) {
if (value < 0) value = 0xffffffff + value + 1
for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
}
}
Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
value = +value
offset = offset | 0
if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset + 3] = (value >>> 24)
this[offset + 2] = (value >>> 16)
this[offset + 1] = (value >>> 8)
this[offset] = (value & 0xff)
} else {
objectWriteUInt32(this, value, offset, true)
}
return offset + 4
}
Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
value = +value
offset = offset | 0
if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = (value >>> 24)
this[offset + 1] = (value >>> 16)
this[offset + 2] = (value >>> 8)
this[offset + 3] = (value & 0xff)
} else {
objectWriteUInt32(this, value, offset, false)
}
return offset + 4
}
Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
value = +value
offset = offset | 0
if (!noAssert) {
var limit = Math.pow(2, 8 * byteLength - 1)
checkInt(this, value, offset, byteLength, limit - 1, -limit)
}
var i = 0
var mul = 1
var sub = 0
this[offset] = value & 0xFF
while (++i < byteLength && (mul *= 0x100)) {
if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
sub = 1
}
this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
}
return offset + byteLength
}
Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
value = +value
offset = offset | 0
if (!noAssert) {
var limit = Math.pow(2, 8 * byteLength - 1)
checkInt(this, value, offset, byteLength, limit - 1, -limit)
}
var i = byteLength - 1
var mul = 1
var sub = 0
this[offset + i] = value & 0xFF
while (--i >= 0 && (mul *= 0x100)) {
if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
sub = 1
}
this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
}
return offset + byteLength
}
Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
value = +value
offset = offset | 0
if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
if (value < 0) value = 0xff + value + 1
this[offset] = (value & 0xff)
return offset + 1
}
Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
value = +value
offset = offset | 0
if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = (value & 0xff)
this[offset + 1] = (value >>> 8)
} else {
objectWriteUInt16(this, value, offset, true)
}
return offset + 2
}
Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
value = +value
offset = offset | 0
if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = (value >>> 8)
this[offset + 1] = (value & 0xff)
} else {
objectWriteUInt16(this, value, offset, false)
}
return offset + 2
}
Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
value = +value
offset = offset | 0
if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = (value & 0xff)
this[offset + 1] = (value >>> 8)
this[offset + 2] = (value >>> 16)
this[offset + 3] = (value >>> 24)
} else {
objectWriteUInt32(this, value, offset, true)
}
return offset + 4
}
Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
value = +value
offset = offset | 0
if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
if (value < 0) value = 0xffffffff + value + 1
if (Buffer.TYPED_ARRAY_SUPPORT) {
this[offset] = (value >>> 24)
this[offset + 1] = (value >>> 16)
this[offset + 2] = (value >>> 8)
this[offset + 3] = (value & 0xff)
} else {
objectWriteUInt32(this, value, offset, false)
}
return offset + 4
}
function checkIEEE754 (buf, value, offset, ext, max, min) {
if (offset + ext > buf.length) throw new RangeError('Index out of range')
if (offset < 0) throw new RangeError('Index out of range')
}
function writeFloat (buf, value, offset, littleEndian, noAssert) {
if (!noAssert) {
checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
}
ieee754.write(buf, value, offset, littleEndian, 23, 4)
return offset + 4
}
Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
return writeFloat(this, value, offset, true, noAssert)
}
Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
return writeFloat(this, value, offset, false, noAssert)
}
function writeDouble (buf, value, offset, littleEndian, noAssert) {
if (!noAssert) {
checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
}
ieee754.write(buf, value, offset, littleEndian, 52, 8)
return offset + 8
}
Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
return writeDouble(this, value, offset, true, noAssert)
}
Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
return writeDouble(this, value, offset, false, noAssert)
}
// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Buffer.prototype.copy = function copy (target, targetStart, start, end) {
if (!start) start = 0
if (!end && end !== 0) end = this.length
if (targetStart >= target.length) targetStart = target.length
if (!targetStart) targetStart = 0
if (end > 0 && end < start) end = start
// Copy 0 bytes; we're done
if (end === start) return 0
if (target.length === 0 || this.length === 0) return 0
// Fatal error conditions
if (targetStart < 0) {
throw new RangeError('targetStart out of bounds')
}
if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
if (end < 0) throw new RangeError('sourceEnd out of bounds')
// Are we oob?
if (end > this.length) end = this.length
if (target.length - targetStart < end - start) {
end = target.length - targetStart + start
}
var len = end - start
var i
if (this === target && start < targetStart && targetStart < end) {
// descending copy from end
for (i = len - 1; i >= 0; --i) {
target[i + targetStart] = this[i + start]
}
} else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
// ascending copy from start
for (i = 0; i < len; ++i) {
target[i + targetStart] = this[i + start]
}
} else {
Uint8Array.prototype.set.call(
target,
this.subarray(start, start + len),
targetStart
)
}
return len
}
// Usage:
// buffer.fill(number[, offset[, end]])
// buffer.fill(buffer[, offset[, end]])
// buffer.fill(string[, offset[, end]][, encoding])
Buffer.prototype.fill = function fill (val, start, end, encoding) {
// Handle string cases:
if (typeof val === 'string') {
if (typeof start === 'string') {
encoding = start
start = 0
end = this.length
} else if (typeof end === 'string') {
encoding = end
end = this.length
}
if (val.length === 1) {
var code = val.charCodeAt(0)
if (code < 256) {
val = code
}
}
if (encoding !== undefined && typeof encoding !== 'string') {
throw new TypeError('encoding must be a string')
}
if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
throw new TypeError('Unknown encoding: ' + encoding)
}
} else if (typeof val === 'number') {
val = val & 255
}
// Invalid ranges are not set to a default, so can range check early.
if (start < 0 || this.length < start || this.length < end) {
throw new RangeError('Out of range index')
}
if (end <= start) {
return this
}
start = start >>> 0
end = end === undefined ? this.length : end >>> 0
if (!val) val = 0
var i
if (typeof val === 'number') {
for (i = start; i < end; ++i) {
this[i] = val
}
} else {
var bytes = Buffer.isBuffer(val)
? val
: utf8ToBytes(new Buffer(val, encoding).toString())
var len = bytes.length
for (i = 0; i < end - start; ++i) {
this[i + start] = bytes[i % len]
}
}
return this
}
// HELPER FUNCTIONS
// ================
var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g
function base64clean (str) {
// Node strips out invalid characters like \n and \t from the string, base64-js does not
str = stringtrim(str).replace(INVALID_BASE64_RE, '')
// Node converts strings with length < 2 to ''
if (str.length < 2) return ''
// Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
while (str.length % 4 !== 0) {
str = str + '='
}
return str
}
function stringtrim (str) {
if (str.trim) return str.trim()
return str.replace(/^\s+|\s+$/g, '')
}
function toHex (n) {
if (n < 16) return '0' + n.toString(16)
return n.toString(16)
}
function utf8ToBytes (string, units) {
units = units || Infinity
var codePoint
var length = string.length
var leadSurrogate = null
var bytes = []
for (var i = 0; i < length; ++i) {
codePoint = string.charCodeAt(i)
// is surrogate component
if (codePoint > 0xD7FF && codePoint < 0xE000) {
// last char was a lead
if (!leadSurrogate) {
// no lead yet
if (codePoint > 0xDBFF) {
// unexpected trail
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
continue
} else if (i + 1 === length) {
// unpaired lead
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
continue
}
// valid lead
leadSurrogate = codePoint
continue
}
// 2 leads in a row
if (codePoint < 0xDC00) {
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
leadSurrogate = codePoint
continue
}
// valid surrogate pair
codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
} else if (leadSurrogate) {
// valid bmp char, but last char was a lead
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
}
leadSurrogate = null
// encode utf8
if (codePoint < 0x80) {
if ((units -= 1) < 0) break
bytes.push(codePoint)
} else if (codePoint < 0x800) {
if ((units -= 2) < 0) break
bytes.push(
codePoint >> 0x6 | 0xC0,
codePoint & 0x3F | 0x80
)
} else if (codePoint < 0x10000) {
if ((units -= 3) < 0) break
bytes.push(
codePoint >> 0xC | 0xE0,
codePoint >> 0x6 & 0x3F | 0x80,
codePoint & 0x3F | 0x80
)
} else if (codePoint < 0x110000) {
if ((units -= 4) < 0) break
bytes.push(
codePoint >> 0x12 | 0xF0,
codePoint >> 0xC & 0x3F | 0x80,
codePoint >> 0x6 & 0x3F | 0x80,
codePoint & 0x3F | 0x80
)
} else {
throw new Error('Invalid code point')
}
}
return bytes
}
function asciiToBytes (str) {
var byteArray = []
for (var i = 0; i < str.length; ++i) {
// Node's code seems to be doing this and not & 0x7F..
byteArray.push(str.charCodeAt(i) & 0xFF)
}
return byteArray
}
function utf16leToBytes (str, units) {
var c, hi, lo
var byteArray = []
for (var i = 0; i < str.length; ++i) {
if ((units -= 2) < 0) break
c = str.charCodeAt(i)
hi = c >> 8
lo = c % 256
byteArray.push(lo)
byteArray.push(hi)
}
return byteArray
}
function base64ToBytes (str) {
return base64.toByteArray(base64clean(str))
}
function blitBuffer (src, dst, offset, length) {
for (var i = 0; i < length; ++i) {
if ((i + offset >= dst.length) || (i >= src.length)) break
dst[i + offset] = src[i]
}
return i
}
function isnan (val) {
return val !== val // eslint-disable-line no-self-compare
}
/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(22)))
/***/ }),
/* 11 */
/***/ (function(module, exports, __webpack_require__) {
exports = module.exports = __webpack_require__(3)(undefined);
// imports
// module
exports.push([module.i, ".pdf-viewer{background:url(" + __webpack_require__(15) + ");display:flex;flex-flow:column nowrap}", ""]);
// exports
/***/ }),
/* 12 */
/***/ (function(module, exports, __webpack_require__) {
exports = module.exports = __webpack_require__(3)(undefined);
// imports
// module
exports.push([module.i, ".pdf-page{margin:8px auto 0;border-top:1px solid #ddd;border-bottom:1px solid #ddd;width:100%}.pdf-page:first-child{margin-top:0;border-top:0}.pdf-page:last-child{margin-bottom:0;border-bottom:0}", ""]);
// exports
/***/ }),
/* 13 */
/***/ (function(module, exports) {
exports.read = function (buffer, offset, isLE, mLen, nBytes) {
var e, m
var eLen = nBytes * 8 - mLen - 1
var eMax = (1 << eLen) - 1
var eBias = eMax >> 1
var nBits = -7
var i = isLE ? (nBytes - 1) : 0
var d = isLE ? -1 : 1
var s = buffer[offset + i]
i += d
e = s & ((1 << (-nBits)) - 1)
s >>= (-nBits)
nBits += eLen
for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
m = e & ((1 << (-nBits)) - 1)
e >>= (-nBits)
nBits += mLen
for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
if (e === 0) {
e = 1 - eBias
} else if (e === eMax) {
return m ? NaN : ((s ? -1 : 1) * Infinity)
} else {
m = m + Math.pow(2, mLen)
e = e - eBias
}
return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
}
exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
var e, m, c
var eLen = nBytes * 8 - mLen - 1
var eMax = (1 << eLen) - 1
var eBias = eMax >> 1
var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
var i = isLE ? 0 : (nBytes - 1)
var d = isLE ? 1 : -1
var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
value = Math.abs(value)
if (isNaN(value) || value === Infinity) {
m = isNaN(value) ? 1 : 0
e = eMax
} else {
e = Math.floor(Math.log(value) / Math.LN2)
if (value * (c = Math.pow(2, -e)) < 1) {
e--
c *= 2
}
if (e + eBias >= 1) {
value += rt / c
} else {
value += rt * Math.pow(2, 1 - eBias)
}
if (value * c >= 2) {
e++
c /= 2
}
if (e + eBias >= eMax) {
m = 0
e = eMax
} else if (e + eBias >= 1) {
m = (value * c - 1) * Math.pow(2, mLen)
e = e + eBias
} else {
m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
e = 0
}
}
for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
e = (e << mLen) | m
eLen += mLen
for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
buffer[offset + i - d] |= s * 128
}
/***/ }),
/* 14 */
/***/ (function(module, exports) {
var toString = {}.toString;
module.exports = Array.isArray || function (arr) {
return toString.call(arr) == '[object Array]';
};
/***/ }),
/* 15 */
/***/ (function(module, exports) {
module.exports = "data:image/gif;base64,R0lGODlhCgAKAIAAAOXl5f///yH5BAAAAAAALAAAAAAKAAoAAAIRhB2ZhxoM3GMSykqd1VltzxQAOw=="
/***/ }),
/* 16 */
/***/ (function(module, exports, __webpack_require__) {
/* styles */
__webpack_require__(20)
var Component = __webpack_require__(4)(
/* script */
__webpack_require__(8),
/* template */
__webpack_require__(18),
/* scopeId */
null,
/* cssModules */
null
)
module.exports = Component.exports
/***/ }),
/* 17 */
/***/ (function(module, exports) {
module.exports={render:function (){var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;
return (_vm.hasPDF) ? _c('div', {
staticClass: "pdf-viewer"
}, _vm._l((_vm.pages), function(page, index) {
return _c('page', {
key: index,
attrs: {
"v-if": !_vm.loading,
"page": page,
"number": index + 1
}
})
})) : _vm._e()
},staticRenderFns: []}
/***/ }),
/* 18 */
/***/ (function(module, exports) {
module.exports={render:function (){var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;
return _c('canvas', {
ref: "canvas",
staticClass: "pdf-page",
attrs: {
"data-page": _vm.number
}
})
},staticRenderFns: []}
/***/ }),
/* 19 */
/***/ (function(module, exports, __webpack_require__) {
// style-loader: Adds some css to the DOM by adding a <style> tag
// load the styles
var content = __webpack_require__(11);
if(typeof content === 'string') content = [[module.i, content, '']];
if(content.locals) module.exports = content.locals;
// add the styles to the DOM
var update = __webpack_require__(5)("59cf066f", content, true);
// Hot Module Replacement
if(false) {
// When the styles change, update the <style> tags
if(!content.locals) {
module.hot.accept("!!../node_modules/css-loader/index.js?minimize!../node_modules/vue-loader/lib/style-compiler/index.js?{\"id\":\"data-v-7c7bed7e\",\"scoped\":false,\"hasInlineConfig\":false}!../node_modules/vue-loader/lib/selector.js?type=styles&index=0!./index.vue", function() {
var newContent = require("!!../node_modules/css-loader/index.js?minimize!../node_modules/vue-loader/lib/style-compiler/index.js?{\"id\":\"data-v-7c7bed7e\",\"scoped\":false,\"hasInlineConfig\":false}!../node_modules/vue-loader/lib/selector.js?type=styles&index=0!./index.vue");
if(typeof newContent === 'string') newContent = [[module.id, newContent, '']];
update(newContent);
});
}
// When the module is disposed, remove the <style> tags
module.hot.dispose(function() { update(); });
}
/***/ }),
/* 20 */
/***/ (function(module, exports, __webpack_require__) {
// style-loader: Adds some css to the DOM by adding a <style> tag
// load the styles
var content = __webpack_require__(12);
if(typeof content === 'string') content = [[module.i, content, '']];
if(content.locals) module.exports = content.locals;
// add the styles to the DOM
var update = __webpack_require__(5)("09f1e2d8", content, true);
// Hot Module Replacement
if(false) {
// When the styles change, update the <style> tags
if(!content.locals) {
module.hot.accept("!!../../node_modules/css-loader/index.js?minimize!../../node_modules/vue-loader/lib/style-compiler/index.js?{\"id\":\"data-v-7e912b1a\",\"scoped\":false,\"hasInlineConfig\":false}!../../node_modules/vue-loader/lib/selector.js?type=styles&index=0!./index.vue", function() {
var newContent = require("!!../../node_modules/css-loader/index.js?minimize!../../node_modules/vue-loader/lib/style-compiler/index.js?{\"id\":\"data-v-7e912b1a\",\"scoped\":false,\"hasInlineConfig\":false}!../../node_modules/vue-loader/lib/selector.js?type=styles&index=0!./index.vue");
if(typeof newContent === 'string') newContent = [[module.id, newContent, '']];
update(newContent);
});
}
// When the module is disposed, remove the <style> tags
module.hot.dispose(function() { update(); });
}
/***/ }),
/* 21 */
/***/ (function(module, exports) {
/**
* Translates the list format produced by css-loader into something
* easier to manipulate.
*/
module.exports = function listToStyles (parentId, list) {
var styles = []
var newStyles = {}
for (var i = 0; i < list.length; i++) {
var item = list[i]
var id = item[0]
var css = item[1]
var media = item[2]
var sourceMap = item[3]
var part = {
id: parentId + ':' + i,
css: css,
media: media,
sourceMap: sourceMap
}
if (!newStyles[id]) {
styles.push(newStyles[id] = { id: id, parts: [part] })
} else {
newStyles[id].parts.push(part)
}
}
return styles
}
/***/ }),
/* 22 */
/***/ (function(module, exports) {
var g;
// This works in non-strict mode
g = (function() {
return this;
})();
try {
// This works if eval is allowed (see CSP)
g = g || Function("return this")() || (1,eval)("this");
} catch(e) {
// This works if the window reference is available
if(typeof window === "object")
g = window;
}
// g can still be undefined, but nothing to do about it...
// We return undefined, instead of nothing here, so it's
// easier to handle this case. if(!global) { ...}
module.exports = g;
/***/ }),
/* 23 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var PDF = __webpack_require__(6);
var pdfjsLib = __webpack_require__(2);
module.exports = {
install: function install(_vue) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
pdfjsLib.PDFJS.workerSrc = options.workerSrc || '';
_vue.component('pdf-lab', PDF);
}
};
/***/ })
/******/ ]);
});
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