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1x | /* 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.
*/
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.unreachable = exports.warn = exports.utf8StringToString = exports.stringToUTF8String = exports.stringToPDFString = exports.stringToBytes = exports.string32 = exports.shadow = exports.setVerbosityLevel = exports.ReadableStream = exports.removeNullCharacters = exports.readUint32 = exports.readUint16 = exports.readInt8 = exports.log2 = exports.loadJpegStream = exports.isEvalSupported = exports.isLittleEndian = exports.createValidAbsoluteUrl = exports.isSameOrigin = exports.isNodeJS = exports.isSpace = exports.isString = exports.isNum = exports.isEmptyObj = exports.isBool = exports.isArrayBuffer = exports.info = exports.getVerbosityLevel = exports.getLookupTableFactory = exports.deprecated = exports.createObjectURL = exports.createPromiseCapability = exports.createBlob = exports.bytesToString = exports.assert = exports.arraysToBytes = exports.arrayByteLength = exports.FormatError = exports.XRefParseException = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PasswordResponses = exports.PasswordException = exports.PageViewport = exports.NotImplementedException = exports.NativeImageDecoding = exports.MissingPDFException = exports.MissingDataException = exports.MessageHandler = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VERBOSITY_LEVELS = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = undefined;
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
require('./compatibility');
var _streams_polyfill = require('./streams_polyfill');
var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
var NativeImageDecoding = {
NONE: 'none',
DECODE: 'decode',
DISPLAY: 'display'
};
var TextRenderingMode = {
FILL: 0,
STROKE: 1,
FILL_STROKE: 2,
INVISIBLE: 3,
FILL_ADD_TO_PATH: 4,
STROKE_ADD_TO_PATH: 5,
FILL_STROKE_ADD_TO_PATH: 6,
ADD_TO_PATH: 7,
FILL_STROKE_MASK: 3,
ADD_TO_PATH_FLAG: 4
};
var ImageKind = {
GRAYSCALE_1BPP: 1,
RGB_24BPP: 2,
RGBA_32BPP: 3
};
var AnnotationType = {
TEXT: 1,
LINK: 2,
FREETEXT: 3,
LINE: 4,
SQUARE: 5,
CIRCLE: 6,
POLYGON: 7,
POLYLINE: 8,
HIGHLIGHT: 9,
UNDERLINE: 10,
SQUIGGLY: 11,
STRIKEOUT: 12,
STAMP: 13,
CARET: 14,
INK: 15,
POPUP: 16,
FILEATTACHMENT: 17,
SOUND: 18,
MOVIE: 19,
WIDGET: 20,
SCREEN: 21,
PRINTERMARK: 22,
TRAPNET: 23,
WATERMARK: 24,
THREED: 25,
REDACT: 26
};
var AnnotationFlag = {
INVISIBLE: 0x01,
HIDDEN: 0x02,
PRINT: 0x04,
NOZOOM: 0x08,
NOROTATE: 0x10,
NOVIEW: 0x20,
READONLY: 0x40,
LOCKED: 0x80,
TOGGLENOVIEW: 0x100,
LOCKEDCONTENTS: 0x200
};
var AnnotationFieldFlag = {
READONLY: 0x0000001,
REQUIRED: 0x0000002,
NOEXPORT: 0x0000004,
MULTILINE: 0x0001000,
PASSWORD: 0x0002000,
NOTOGGLETOOFF: 0x0004000,
RADIO: 0x0008000,
PUSHBUTTON: 0x0010000,
COMBO: 0x0020000,
EDIT: 0x0040000,
SORT: 0x0080000,
FILESELECT: 0x0100000,
MULTISELECT: 0x0200000,
DONOTSPELLCHECK: 0x0400000,
DONOTSCROLL: 0x0800000,
COMB: 0x1000000,
RICHTEXT: 0x2000000,
RADIOSINUNISON: 0x2000000,
COMMITONSELCHANGE: 0x4000000
};
var AnnotationBorderStyleType = {
SOLID: 1,
DASHED: 2,
BEVELED: 3,
INSET: 4,
UNDERLINE: 5
};
var StreamType = {
UNKNOWN: 0,
FLATE: 1,
LZW: 2,
DCT: 3,
JPX: 4,
JBIG: 5,
A85: 6,
AHX: 7,
CCF: 8,
RL: 9
};
var FontType = {
UNKNOWN: 0,
TYPE1: 1,
TYPE1C: 2,
CIDFONTTYPE0: 3,
CIDFONTTYPE0C: 4,
TRUETYPE: 5,
CIDFONTTYPE2: 6,
TYPE3: 7,
OPENTYPE: 8,
TYPE0: 9,
MMTYPE1: 10
};
var VERBOSITY_LEVELS = {
errors: 0,
warnings: 1,
infos: 5
};
var CMapCompressionType = {
NONE: 0,
BINARY: 1,
STREAM: 2
};
var OPS = {
dependency: 1,
setLineWidth: 2,
setLineCap: 3,
setLineJoin: 4,
setMiterLimit: 5,
setDash: 6,
setRenderingIntent: 7,
setFlatness: 8,
setGState: 9,
save: 10,
restore: 11,
transform: 12,
moveTo: 13,
lineTo: 14,
curveTo: 15,
curveTo2: 16,
curveTo3: 17,
closePath: 18,
rectangle: 19,
stroke: 20,
closeStroke: 21,
fill: 22,
eoFill: 23,
fillStroke: 24,
eoFillStroke: 25,
closeFillStroke: 26,
closeEOFillStroke: 27,
endPath: 28,
clip: 29,
eoClip: 30,
beginText: 31,
endText: 32,
setCharSpacing: 33,
setWordSpacing: 34,
setHScale: 35,
setLeading: 36,
setFont: 37,
setTextRenderingMode: 38,
setTextRise: 39,
moveText: 40,
setLeadingMoveText: 41,
setTextMatrix: 42,
nextLine: 43,
showText: 44,
showSpacedText: 45,
nextLineShowText: 46,
nextLineSetSpacingShowText: 47,
setCharWidth: 48,
setCharWidthAndBounds: 49,
setStrokeColorSpace: 50,
setFillColorSpace: 51,
setStrokeColor: 52,
setStrokeColorN: 53,
setFillColor: 54,
setFillColorN: 55,
setStrokeGray: 56,
setFillGray: 57,
setStrokeRGBColor: 58,
setFillRGBColor: 59,
setStrokeCMYKColor: 60,
setFillCMYKColor: 61,
shadingFill: 62,
beginInlineImage: 63,
beginImageData: 64,
endInlineImage: 65,
paintXObject: 66,
markPoint: 67,
markPointProps: 68,
beginMarkedContent: 69,
beginMarkedContentProps: 70,
endMarkedContent: 71,
beginCompat: 72,
endCompat: 73,
paintFormXObjectBegin: 74,
paintFormXObjectEnd: 75,
beginGroup: 76,
endGroup: 77,
beginAnnotations: 78,
endAnnotations: 79,
beginAnnotation: 80,
endAnnotation: 81,
paintJpegXObject: 82,
paintImageMaskXObject: 83,
paintImageMaskXObjectGroup: 84,
paintImageXObject: 85,
paintInlineImageXObject: 86,
paintInlineImageXObjectGroup: 87,
paintImageXObjectRepeat: 88,
paintImageMaskXObjectRepeat: 89,
paintSolidColorImageMask: 90,
constructPath: 91
};
var verbosity = VERBOSITY_LEVELS.warnings;
function setVerbosityLevel(level) {
verbosity = level;
}
function getVerbosityLevel() {
return verbosity;
}
function info(msg) {
Iif (verbosity >= VERBOSITY_LEVELS.infos) {
console.log('Info: ' + msg);
}
}
function warn(msg) {
Eif (verbosity >= VERBOSITY_LEVELS.warnings) {
console.log('Warning: ' + msg);
}
}
function deprecated(details) {
console.log('Deprecated API usage: ' + details);
}
function unreachable(msg) {
throw new Error(msg);
}
function assert(cond, msg) {
if (!cond) {
unreachable(msg);
}
}
var UNSUPPORTED_FEATURES = {
unknown: 'unknown',
forms: 'forms',
javaScript: 'javaScript',
smask: 'smask',
shadingPattern: 'shadingPattern',
font: 'font'
};
function isSameOrigin(baseUrl, otherUrl) {
try {
var base = new URL(baseUrl);
if (!base.origin || base.origin === 'null') {
return false;
}
} catch (e) {
return false;
}
var other = new URL(otherUrl, base);
return base.origin === other.origin;
}
function isValidProtocol(url) {
Iif (!url) {
return false;
}
switch (url.protocol) {
case 'http:':
case 'https:':
case 'ftp:':
case 'mailto:':
case 'tel:':
return true;
default:
return false;
}
}
function createValidAbsoluteUrl(url, baseUrl) {
Iif (!url) {
return null;
}
try {
var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
if (isValidProtocol(absoluteUrl)) {
return absoluteUrl;
}
} catch (ex) {}
return null;
}
function shadow(obj, prop, value) {
Object.defineProperty(obj, prop, {
value: value,
enumerable: true,
configurable: true,
writable: false
});
return value;
}
function getLookupTableFactory(initializer) {
var lookup;
return function () {
if (initializer) {
lookup = Object.create(null);
initializer(lookup);
initializer = null;
}
return lookup;
};
}
var PasswordResponses = {
NEED_PASSWORD: 1,
INCORRECT_PASSWORD: 2
};
var PasswordException = function PasswordExceptionClosure() {
function PasswordException(msg, code) {
this.name = 'PasswordException';
this.message = msg;
this.code = code;
}
PasswordException.prototype = new Error();
PasswordException.constructor = PasswordException;
return PasswordException;
}();
var UnknownErrorException = function UnknownErrorExceptionClosure() {
function UnknownErrorException(msg, details) {
this.name = 'UnknownErrorException';
this.message = msg;
this.details = details;
}
UnknownErrorException.prototype = new Error();
UnknownErrorException.constructor = UnknownErrorException;
return UnknownErrorException;
}();
var InvalidPDFException = function InvalidPDFExceptionClosure() {
function InvalidPDFException(msg) {
this.name = 'InvalidPDFException';
this.message = msg;
}
InvalidPDFException.prototype = new Error();
InvalidPDFException.constructor = InvalidPDFException;
return InvalidPDFException;
}();
var MissingPDFException = function MissingPDFExceptionClosure() {
function MissingPDFException(msg) {
this.name = 'MissingPDFException';
this.message = msg;
}
MissingPDFException.prototype = new Error();
MissingPDFException.constructor = MissingPDFException;
return MissingPDFException;
}();
var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() {
function UnexpectedResponseException(msg, status) {
this.name = 'UnexpectedResponseException';
this.message = msg;
this.status = status;
}
UnexpectedResponseException.prototype = new Error();
UnexpectedResponseException.constructor = UnexpectedResponseException;
return UnexpectedResponseException;
}();
var NotImplementedException = function NotImplementedExceptionClosure() {
function NotImplementedException(msg) {
this.message = msg;
}
NotImplementedException.prototype = new Error();
NotImplementedException.prototype.name = 'NotImplementedException';
NotImplementedException.constructor = NotImplementedException;
return NotImplementedException;
}();
var MissingDataException = function MissingDataExceptionClosure() {
function MissingDataException(begin, end) {
this.begin = begin;
this.end = end;
this.message = 'Missing data [' + begin + ', ' + end + ')';
}
MissingDataException.prototype = new Error();
MissingDataException.prototype.name = 'MissingDataException';
MissingDataException.constructor = MissingDataException;
return MissingDataException;
}();
var XRefParseException = function XRefParseExceptionClosure() {
function XRefParseException(msg) {
this.message = msg;
}
XRefParseException.prototype = new Error();
XRefParseException.prototype.name = 'XRefParseException';
XRefParseException.constructor = XRefParseException;
return XRefParseException;
}();
var FormatError = function FormatErrorClosure() {
function FormatError(msg) {
this.message = msg;
}
FormatError.prototype = new Error();
FormatError.prototype.name = 'FormatError';
FormatError.constructor = FormatError;
return FormatError;
}();
var AbortException = function AbortExceptionClosure() {
function AbortException(msg) {
this.name = 'AbortException';
this.message = msg;
}
AbortException.prototype = new Error();
AbortException.constructor = AbortException;
return AbortException;
}();
var NullCharactersRegExp = /\x00/g;
function removeNullCharacters(str) {
Iif (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 === 'undefined' ? 'undefined' : _typeof(bytes)) === 'object' && bytes.length !== undefined, 'Invalid argument for bytesToString');
var length = bytes.length;
var MAX_ARGUMENT_COUNT = 8192;
if (length < MAX_ARGUMENT_COUNT) {
return String.fromCharCode.apply(null, bytes);
}
var strBuf = [];
for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
var chunk = bytes.subarray(i, chunkEnd);
strBuf.push(String.fromCharCode.apply(null, chunk));
}
return strBuf.join('');
}
function stringToBytes(str) {
assert(typeof str === 'string', 'Invalid argument for stringToBytes');
var length = str.length;
var bytes = new Uint8Array(length);
for (var i = 0; i < length; ++i) {
bytes[i] = str.charCodeAt(i) & 0xFF;
}
return bytes;
}
function arrayByteLength(arr) {
if (arr.length !== undefined) {
return arr.length;
}
assert(arr.byteLength !== undefined);
return arr.byteLength;
}
function arraysToBytes(arr) {
if (arr.length === 1 && arr[0] instanceof Uint8Array) {
return arr[0];
}
var resultLength = 0;
var i,
ii = arr.length;
var item, itemLength;
for (i = 0; i < ii; i++) {
item = arr[i];
itemLength = arrayByteLength(item);
resultLength += itemLength;
}
var pos = 0;
var data = new Uint8Array(resultLength);
for (i = 0; i < ii; i++) {
item = arr[i];
if (!(item instanceof Uint8Array)) {
if (typeof item === 'string') {
item = stringToBytes(item);
} else {
item = new Uint8Array(item);
}
}
itemLength = item.byteLength;
data.set(item, pos);
pos += itemLength;
}
return data;
}
function string32(value) {
return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
}
function log2(x) {
if (x <= 0) {
return 0;
}
return Math.ceil(Math.log2(x));
}
function readInt8(data, start) {
return data[start] << 24 >> 24;
}
function readUint16(data, offset) {
return data[offset] << 8 | data[offset + 1];
}
function readUint32(data, offset) {
return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
}
function isLittleEndian() {
var buffer8 = new Uint8Array(4);
buffer8[0] = 1;
var view32 = new Uint32Array(buffer8.buffer, 0, 1);
return view32[0] === 1;
}
function isEvalSupported() {
try {
new Function('');
return true;
} catch (e) {
return false;
}
}
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);
Iif (rect[0] > rect[2]) {
r[0] = rect[2];
r[2] = rect[0];
}
Iif (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);
Eif (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;
}
Eif (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;
};
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(Number.isInteger(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;
}
Iif (dontFlip) {
rotateC = -rotateC;
rotateD = -rotateD;
}
var offsetCanvasX, offsetCanvasY;
var width, height;
Eif (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 isNum(v) {
return typeof v === 'number';
}
function isString(v) {
return typeof v === 'string';
}
function isArrayBuffer(v) {
return (typeof v === 'undefined' ? 'undefined' : _typeof(v)) === 'object' && v !== null && v.byteLength !== undefined;
}
function isSpace(ch) {
return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A;
}
function isNodeJS() {
return (typeof process === 'undefined' ? 'undefined' : _typeof(process)) === 'object' && process + '' === '[object process]';
}
function createPromiseCapability() {
var capability = {};
capability.promise = new Promise(function (resolve, reject) {
capability.resolve = resolve;
capability.reject = reject;
});
return capability;
}
var createBlob = function createBlob(data, contentType) {
if (typeof Blob !== 'undefined') {
return new Blob([data], { type: contentType });
}
throw new Error('The "Blob" constructor is not supported.');
};
var createObjectURL = function createObjectURLClosure() {
var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
return function createObjectURL(data, contentType) {
var forceDataSchema = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
Iif (!forceDataSchema && 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 resolveCall(fn, args) {
var thisArg = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
Iif (!fn) {
return Promise.resolve(undefined);
}
return new Promise(function (resolve, reject) {
resolve(fn.apply(thisArg, args));
});
}
function wrapReason(reason) {
if ((typeof reason === 'undefined' ? 'undefined' : _typeof(reason)) !== 'object') {
return reason;
}
switch (reason.name) {
case 'AbortException':
return new AbortException(reason.message);
case 'MissingPDFException':
return new MissingPDFException(reason.message);
case 'UnexpectedResponseException':
return new UnexpectedResponseException(reason.message, reason.status);
default:
return new UnknownErrorException(reason.message, reason.details);
}
}
function makeReasonSerializable(reason) {
Iif (!(reason instanceof Error) || reason instanceof AbortException || reason instanceof MissingPDFException || reason instanceof UnexpectedResponseException || reason instanceof UnknownErrorException) {
return reason;
}
return new UnknownErrorException(reason.message, reason.toString());
}
function resolveOrReject(capability, success, reason) {
Eif (success) {
capability.resolve();
} else {
capability.reject(reason);
}
}
function finalize(promise) {
return Promise.resolve(promise).catch(function () {});
}
function MessageHandler(sourceName, targetName, comObj) {
var _this = this;
this.sourceName = sourceName;
this.targetName = targetName;
this.comObj = comObj;
this.callbackId = 1;
this.streamId = 1;
this.postMessageTransfers = true;
this.streamSinks = Object.create(null);
this.streamControllers = Object.create(null);
var callbacksCapabilities = this.callbacksCapabilities = Object.create(null);
var ah = this.actionHandler = Object.create(null);
this._onComObjOnMessage = function (event) {
var data = event.data;
if (data.targetName !== _this.sourceName) {
return;
}
if (data.stream) {
_this._processStreamMessage(data);
} else if (data.isReply) {
var callbackId = data.callbackId;
Eif (data.callbackId in callbacksCapabilities) {
var callback = callbacksCapabilities[callbackId];
delete callbacksCapabilities[callbackId];
if ('error' in data) {
callback.reject(wrapReason(data.error));
} else {
callback.resolve(data.data);
}
} else {
throw new Error('Cannot resolve callback ' + callbackId);
}
} else Eif (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) {
comObj.postMessage({
sourceName: _sourceName,
targetName: _targetName,
isReply: true,
callbackId: data.callbackId,
error: makeReasonSerializable(reason)
});
});
} else if (data.streamId) {
_this._createStreamSink(data);
} else {
action[0].call(action[1], data.data);
}
} else {
throw new Error('Unknown action from worker: ' + data.action);
}
};
comObj.addEventListener('message', this._onComObjOnMessage);
}
MessageHandler.prototype = {
on: function on(actionName, handler, scope) {
var ah = this.actionHandler;
Iif (ah[actionName]) {
throw new Error('There is already an actionName called "' + actionName + '"');
}
ah[actionName] = [handler, scope];
},
send: function send(actionName, data, transfers) {
var message = {
sourceName: this.sourceName,
targetName: this.targetName,
action: actionName,
data: data
};
this.postMessage(message, transfers);
},
sendWithPromise: function sendWithPromise(actionName, data, transfers) {
var callbackId = this.callbackId++;
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;
},
sendWithStream: function sendWithStream(actionName, data, queueingStrategy, transfers) {
var _this2 = this;
var streamId = this.streamId++;
var sourceName = this.sourceName;
var targetName = this.targetName;
return new _streams_polyfill.ReadableStream({
start: function start(controller) {
var startCapability = createPromiseCapability();
_this2.streamControllers[streamId] = {
controller: controller,
startCall: startCapability,
isClosed: false
};
_this2.postMessage({
sourceName: sourceName,
targetName: targetName,
action: actionName,
streamId: streamId,
data: data,
desiredSize: controller.desiredSize
});
return startCapability.promise;
},
pull: function pull(controller) {
var pullCapability = createPromiseCapability();
_this2.streamControllers[streamId].pullCall = pullCapability;
_this2.postMessage({
sourceName: sourceName,
targetName: targetName,
stream: 'pull',
streamId: streamId,
desiredSize: controller.desiredSize
});
return pullCapability.promise;
},
cancel: function cancel(reason) {
var cancelCapability = createPromiseCapability();
_this2.streamControllers[streamId].cancelCall = cancelCapability;
_this2.streamControllers[streamId].isClosed = true;
_this2.postMessage({
sourceName: sourceName,
targetName: targetName,
stream: 'cancel',
reason: reason,
streamId: streamId
});
return cancelCapability.promise;
}
}, queueingStrategy);
},
_createStreamSink: function _createStreamSink(data) {
var _this3 = this;
var self = this;
var action = this.actionHandler[data.action];
var streamId = data.streamId;
var desiredSize = data.desiredSize;
var sourceName = this.sourceName;
var targetName = data.sourceName;
var capability = createPromiseCapability();
var sendStreamRequest = function sendStreamRequest(_ref) {
var stream = _ref.stream,
chunk = _ref.chunk,
transfers = _ref.transfers,
success = _ref.success,
reason = _ref.reason;
_this3.postMessage({
sourceName: sourceName,
targetName: targetName,
stream: stream,
streamId: streamId,
chunk: chunk,
success: success,
reason: reason
}, transfers);
};
var streamSink = {
enqueue: function enqueue(chunk) {
var size = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
var transfers = arguments[2];
Iif (this.isCancelled) {
return;
}
var lastDesiredSize = this.desiredSize;
this.desiredSize -= size;
if (lastDesiredSize > 0 && this.desiredSize <= 0) {
this.sinkCapability = createPromiseCapability();
this.ready = this.sinkCapability.promise;
}
sendStreamRequest({
stream: 'enqueue',
chunk: chunk,
transfers: transfers
});
},
close: function close() {
Iif (this.isCancelled) {
return;
}
this.isCancelled = true;
sendStreamRequest({ stream: 'close' });
delete self.streamSinks[streamId];
},
error: function error(reason) {
Iif (this.isCancelled) {
return;
}
this.isCancelled = true;
sendStreamRequest({
stream: 'error',
reason: reason
});
},
sinkCapability: capability,
onPull: null,
onCancel: null,
isCancelled: false,
desiredSize: desiredSize,
ready: null
};
streamSink.sinkCapability.resolve();
streamSink.ready = streamSink.sinkCapability.promise;
this.streamSinks[streamId] = streamSink;
resolveCall(action[0], [data.data, streamSink], action[1]).then(function () {
sendStreamRequest({
stream: 'start_complete',
success: true
});
}, function (reason) {
sendStreamRequest({
stream: 'start_complete',
success: false,
reason: reason
});
});
},
_processStreamMessage: function _processStreamMessage(data) {
var _this4 = this;
var sourceName = this.sourceName;
var targetName = data.sourceName;
var streamId = data.streamId;
var sendStreamResponse = function sendStreamResponse(_ref2) {
var stream = _ref2.stream,
success = _ref2.success,
reason = _ref2.reason;
_this4.comObj.postMessage({
sourceName: sourceName,
targetName: targetName,
stream: stream,
success: success,
streamId: streamId,
reason: reason
});
};
var deleteStreamController = function deleteStreamController() {
Promise.all([_this4.streamControllers[data.streamId].startCall, _this4.streamControllers[data.streamId].pullCall, _this4.streamControllers[data.streamId].cancelCall].map(function (capability) {
return capability && finalize(capability.promise);
})).then(function () {
delete _this4.streamControllers[data.streamId];
});
};
switch (data.stream) {
case 'start_complete':
resolveOrReject(this.streamControllers[data.streamId].startCall, data.success, wrapReason(data.reason));
break;
case 'pull_complete':
resolveOrReject(this.streamControllers[data.streamId].pullCall, data.success, wrapReason(data.reason));
break;
case 'pull':
if (!this.streamSinks[data.streamId]) {
sendStreamResponse({
stream: 'pull_complete',
success: true
});
break;
}
if (this.streamSinks[data.streamId].desiredSize <= 0 && data.desiredSize > 0) {
this.streamSinks[data.streamId].sinkCapability.resolve();
}
this.streamSinks[data.streamId].desiredSize = data.desiredSize;
resolveCall(this.streamSinks[data.streamId].onPull).then(function () {
sendStreamResponse({
stream: 'pull_complete',
success: true
});
}, function (reason) {
sendStreamResponse({
stream: 'pull_complete',
success: false,
reason: reason
});
});
break;
case 'enqueue':
assert(this.streamControllers[data.streamId], 'enqueue should have stream controller');
Eif (!this.streamControllers[data.streamId].isClosed) {
this.streamControllers[data.streamId].controller.enqueue(data.chunk);
}
break;
case 'close':
assert(this.streamControllers[data.streamId], 'close should have stream controller');
Iif (this.streamControllers[data.streamId].isClosed) {
break;
}
this.streamControllers[data.streamId].isClosed = true;
this.streamControllers[data.streamId].controller.close();
deleteStreamController();
break;
case 'error':
assert(this.streamControllers[data.streamId], 'error should have stream controller');
this.streamControllers[data.streamId].controller.error(wrapReason(data.reason));
deleteStreamController();
break;
case 'cancel_complete':
resolveOrReject(this.streamControllers[data.streamId].cancelCall, data.success, wrapReason(data.reason));
deleteStreamController();
break;
case 'cancel':
Iif (!this.streamSinks[data.streamId]) {
break;
}
resolveCall(this.streamSinks[data.streamId].onCancel, [wrapReason(data.reason)]).then(function () {
sendStreamResponse({
stream: 'cancel_complete',
success: true
});
}, function (reason) {
sendStreamResponse({
stream: 'cancel_complete',
success: false,
reason: reason
});
});
this.streamSinks[data.streamId].sinkCapability.reject(wrapReason(data.reason));
this.streamSinks[data.streamId].isCancelled = true;
delete this.streamSinks[data.streamId];
break;
default:
throw new Error('Unexpected stream case');
}
},
postMessage: function postMessage(message, transfers) {
if (transfers && this.postMessageTransfers) {
this.comObj.postMessage(message, transfers);
} else {
this.comObj.postMessage(message);
}
},
destroy: function destroy() {
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.AbortException = AbortException;
exports.InvalidPDFException = InvalidPDFException;
exports.MessageHandler = MessageHandler;
exports.MissingDataException = MissingDataException;
exports.MissingPDFException = MissingPDFException;
exports.NativeImageDecoding = NativeImageDecoding;
exports.NotImplementedException = NotImplementedException;
exports.PageViewport = PageViewport;
exports.PasswordException = PasswordException;
exports.PasswordResponses = PasswordResponses;
exports.StreamType = StreamType;
exports.TextRenderingMode = TextRenderingMode;
exports.UnexpectedResponseException = UnexpectedResponseException;
exports.UnknownErrorException = UnknownErrorException;
exports.Util = Util;
exports.XRefParseException = XRefParseException;
exports.FormatError = FormatError;
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.getLookupTableFactory = getLookupTableFactory;
exports.getVerbosityLevel = getVerbosityLevel;
exports.info = info;
exports.isArrayBuffer = isArrayBuffer;
exports.isBool = isBool;
exports.isEmptyObj = isEmptyObj;
exports.isNum = isNum;
exports.isString = isString;
exports.isSpace = isSpace;
exports.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.ReadableStream = _streams_polyfill.ReadableStream;
exports.setVerbosityLevel = setVerbosityLevel;
exports.shadow = shadow;
exports.string32 = string32;
exports.stringToBytes = stringToBytes;
exports.stringToPDFString = stringToPDFString;
exports.stringToUTF8String = stringToUTF8String;
exports.utf8StringToString = utf8StringToString;
exports.warn = warn;
exports.unreachable = unreachable; |