diff --git a/media/js/pdf.js b/media/js/pdf.js
index 2958f6852c..8aac86851d 100644
--- a/media/js/pdf.js
+++ b/media/js/pdf.js
@@ -1,8 +1,6 @@
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
var PDFJS = {};
-
(function pdfjsWrapper() {
'use strict';
PDFJS.build = '7fff630';
@@ -17,31 +15,23 @@ function getPdf(arg, callback) {
var params = arg;
if (typeof arg === 'string')
params = { url: arg };
-
var xhr = new XMLHttpRequest();
-
xhr.open('GET', params.url);
-
var headers = params.headers;
if (headers) {
for (var property in headers) {
if (typeof headers[property] === 'undefined')
continue;
-
xhr.setRequestHeader(property, params.headers[property]);
}
}
-
xhr.mozResponseType = xhr.responseType = 'arraybuffer';
var protocol = params.url.indexOf(':') < 0 ? window.location.protocol :
params.url.substring(0, params.url.indexOf(':') + 1);
xhr.expected = (protocol === 'http:' || protocol === 'https:') ? 200 : 0;
-
if ('progress' in params)
xhr.onprogress = params.progress || undefined;
-
var calledErrorBack = false;
-
if ('error' in params) {
xhr.onerror = function errorBack() {
if (!calledErrorBack) {
@@ -50,7 +40,6 @@ function getPdf(arg, callback) {
}
}
}
-
xhr.onreadystatechange = function getPdfOnreadystatechange(e) {
if (xhr.readyState === 4) {
if (xhr.status === xhr.expected) {
@@ -67,17 +56,14 @@ function getPdf(arg, callback) {
}
globalScope.PDFJS.getPdf = getPdf;
globalScope.PDFJS.pdfBug = false;
-
var Page = (function PageClosure() {
function Page(xref, pageNumber, pageDict, ref) {
this.pageNumber = pageNumber;
this.pageDict = pageDict;
this.xref = xref;
this.ref = ref;
-
this.displayReadyPromise = null;
}
-
Page.prototype = {
getPageProp: function Page_getPageProp(key) {
return this.pageDict.get(key);
@@ -101,7 +87,6 @@ var Page = (function PageClosure() {
},
get mediaBox() {
var obj = this.inheritPageProp('MediaBox');
- // Reset invalid media box to letter size.
if (!isArray(obj) || obj.length !== 4)
obj = [0, 0, 612, 792];
return shadow(this, 'mediaBox', obj);
@@ -114,7 +99,6 @@ var Page = (function PageClosure() {
cropBox = Util.intersect(cropBox, mediaBox);
if (!cropBox)
return shadow(this, 'view', mediaBox);
-
return shadow(this, 'view', cropBox);
},
get annotations() {
@@ -131,13 +115,11 @@ var Page = (function PageClosure() {
}
return shadow(this, 'rotate', rotate);
},
-
getOperatorList: function Page_getOperatorList(handler, dependency) {
var xref = this.xref;
var content = this.content;
var resources = this.resources;
if (isArray(content)) {
- // fetching items
var streams = [];
var i, n = content.length;
var streams = [];
@@ -147,13 +129,10 @@ var Page = (function PageClosure() {
} else if (isStream(content)) {
content.reset();
} else if (!content) {
- // replacing non-existent page content with empty one
content = new Stream(new Uint8Array(0));
}
-
var pe = this.pe = new PartialEvaluator(
xref, handler, 'p' + this.pageNumber + '_');
-
return pe.getOperatorList(content, resources, dependency);
},
extractTextContent: function Page_extractTextContent() {
@@ -161,12 +140,10 @@ var Page = (function PageClosure() {
on: function nullHandlerOn() {},
send: function nullHandlerSend() {}
};
-
var xref = this.xref;
var content = xref.fetchIfRef(this.content);
var resources = xref.fetchIfRef(this.resources);
if (isArray(content)) {
- // fetching items
var i, n = content.length;
var streams = [];
for (i = 0; i < n; ++i)
@@ -175,25 +152,19 @@ var Page = (function PageClosure() {
} else if (isStream(content)) {
content.reset();
}
-
var pe = new PartialEvaluator(
xref, handler, 'p' + this.pageNumber + '_');
return pe.getTextContent(content, resources);
},
-
ensureFonts: function Page_ensureFonts(fonts, callback) {
this.stats.time('Font Loading');
- // Convert the font names to the corresponding font obj.
for (var i = 0, ii = fonts.length; i < ii; i++) {
fonts[i] = this.objs.objs[fonts[i]].data;
}
-
- // Load all the fonts
FontLoader.bind(
fonts,
function pageEnsureFontsFontObjs(fontObjs) {
this.stats.timeEnd('Font Loading');
-
callback.call(this);
}.bind(this)
);
@@ -237,7 +208,6 @@ var Page = (function PageClosure() {
return false;
}
}
-
var annotations = this.annotations || [];
var i, n = annotations.length;
var items = [];
@@ -250,7 +220,6 @@ var Page = (function PageClosure() {
if (!isName(subtype))
continue;
var rect = annotation.get('Rect');
-
var item = {};
item.type = subtype.name;
item.rect = rect;
@@ -272,7 +241,6 @@ var Page = (function PageClosure() {
TODO('other link types');
}
} else if (annotation.has('Dest')) {
- // simple destination link
var dest = annotation.get('Dest');
item.dest = isName(dest) ? dest.name : dest;
}
@@ -330,10 +298,8 @@ var Page = (function PageClosure() {
return items;
}
};
-
return Page;
})();
-
var PDFDocument = (function PDFDocumentClosure() {
function PDFDocument(arg, password) {
if (isStream(arg))
@@ -343,14 +309,12 @@ var PDFDocument = (function PDFDocumentClosure() {
else
error('PDFDocument: Unknown argument type');
}
-
function init(stream, password) {
assertWellFormed(stream.length > 0, 'stream must have data');
this.stream = stream;
this.setup(password);
this.acroForm = this.catalog.catDict.get('AcroForm');
}
-
function find(stream, needle, limit, backwards) {
var pos = stream.pos;
var end = stream.end;
@@ -366,7 +330,6 @@ var PDFDocument = (function PDFDocumentClosure() {
stream.pos += index;
return true; /* found */
}
-
PDFDocument.prototype = {
get linearization() {
var length = this.stream.length;
@@ -388,7 +351,6 @@ var PDFDocument = (function PDFDocumentClosure() {
var startXRef = 0;
var linearization = this.linearization;
if (linearization) {
- // Find end of first obj.
stream.reset();
if (find(stream, 'endobj', 1024))
startXRef = stream.pos + 6;
@@ -431,7 +393,6 @@ var PDFDocument = (function PDFDocumentClosure() {
var stream = this.stream;
stream.reset();
if (find(stream, '%PDF-', 1024)) {
- // Found the header, trim off any garbage before it.
stream.moveStart();
return;
}
@@ -448,21 +409,18 @@ var PDFDocument = (function PDFDocumentClosure() {
get numPages() {
var linearization = this.linearization;
var num = linearization ? linearization.numPages : this.catalog.numPages;
- // shadow the prototype getter
return shadow(this, 'numPages', num);
},
getDocumentInfo: function PDFDocument_getDocumentInfo() {
var info;
if (this.xref.trailer.has('Info')) {
var infoDict = this.xref.trailer.get('Info');
-
info = {};
infoDict.forEach(function(key, value) {
info[key] = typeof value !== 'string' ? value :
stringToPDFString(value);
});
}
-
return shadow(this, 'getDocumentInfo', info);
},
getFingerprint: function PDFDocument_getFingerprint() {
@@ -481,21 +439,16 @@ var PDFDocument = (function PDFDocumentClosure() {
fileID += Number(hash[i]).toString(16);
}
}
-
return shadow(this, 'getFingerprint', fileID);
},
getPage: function PDFDocument_getPage(n) {
return this.catalog.getPage(n);
}
};
-
return PDFDocument;
})();
-
-
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
'use strict';
function log(msg) {
if (console && console.log)
@@ -509,7 +462,6 @@ function info(msg) {
PDFJS.LogManager.notify('info', msg);
}
}
-
function warn(msg) {
if (verbosity >= WARNINGS) {
log('Warning: ' + msg);
@@ -525,7 +477,6 @@ function error(msg) {
function TODO(what) {
warn('TODO: ' + what);
}
-
function backtrace() {
try {
throw new Error();
@@ -533,7 +484,6 @@ function backtrace() {
return e.stack ? e.stack.split('\n').slice(2).join('\n') : '';
}
}
-
function assert(cond, msg) {
if (!cond)
error(msg);
@@ -542,7 +492,6 @@ function assertWellFormed(cond, msg) {
if (!cond)
error(msg);
}
-
var LogManager = PDFJS.LogManager = (function LogManagerClosure() {
var loggers = [];
return {
@@ -558,7 +507,6 @@ var LogManager = PDFJS.LogManager = (function LogManagerClosure() {
}
};
})();
-
function shadow(obj, prop, value) {
Object.defineProperty(obj, prop, { value: value,
enumerable: true,
@@ -566,20 +514,16 @@ function shadow(obj, prop, value) {
writable: false });
return value;
}
-
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;
})();
-
function bytesToString(bytes) {
var str = '';
var length = bytes.length;
@@ -587,7 +531,6 @@ function bytesToString(bytes) {
str += String.fromCharCode(bytes[n]);
return str;
}
-
function stringToBytes(str) {
var length = str.length;
var bytes = new Uint8Array(length);
@@ -595,43 +538,34 @@ function stringToBytes(str) {
bytes[n] = str.charCodeAt(n) & 0xFF;
return bytes;
}
-
var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
-
var Util = PDFJS.Util = (function UtilClosure() {
function Util() {}
-
Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {
var ri = (255 * r) | 0, gi = (255 * g) | 0, bi = (255 * b) | 0;
return 'rgb(' + ri + ',' + gi + ',' + bi + ')';
};
-
Util.makeCssCmyk = function Util_makeCssCmyk(c, m, y, k) {
c = (new DeviceCmykCS()).getRgb([c, m, y, k]);
var ri = (255 * c[0]) | 0, gi = (255 * c[1]) | 0, bi = (255 * c[2]) | 0;
return 'rgb(' + ri + ',' + gi + ',' + bi + ')';
};
-
- // For 2d affine transforms
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.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],
@@ -639,9 +573,8 @@ var Util = PDFJS.Util = (function UtilClosure() {
m[6] * v[0] + m[7] * v[1] + m[8] * v[2]
];
}
-
Util.normalizeRect = function Util_normalizeRect(rect) {
- var r = rect.slice(0); // clone rect
+ var r = rect.slice(0);
if (rect[0] > rect[2]) {
r[0] = rect[2];
r[2] = rect[0];
@@ -652,19 +585,15 @@ var Util = PDFJS.Util = (function UtilClosure() {
}
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];
@@ -672,7 +601,6 @@ var Util = PDFJS.Util = (function UtilClosure() {
} else {
return false;
}
-
if ((orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) ||
(orderedY[0] === rect2[1] && orderedY[1] === rect1[1])) {
result[1] = orderedY[1];
@@ -680,17 +608,13 @@ var Util = PDFJS.Util = (function UtilClosure() {
} else {
return false;
}
-
return result;
};
-
Util.sign = function Util_sign(num) {
return num < 0 ? -1 : 1;
};
-
return Util;
})();
-
var PageViewport = PDFJS.PageViewport = (function PageViewportClosure() {
function PageViewport(viewBox, scale, rotate, offsetX, offsetY) {
var centerX = (viewBox[2] + viewBox[0]) / 2;
@@ -736,7 +660,6 @@ var PageViewport = PDFJS.PageViewport = (function PageViewportClosure() {
offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY,
offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY
];
-
this.offsetX = offsetX;
this.offsetY = offsetY;
this.width = width;
@@ -759,7 +682,6 @@ var PageViewport = PDFJS.PageViewport = (function PageViewportClosure() {
};
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,
@@ -771,11 +693,9 @@ var PDFStringTranslateTable = [
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, str2 = '';
if (str[0] === '\xFE' && str[1] === '\xFF') {
- // UTF16BE BOM
for (i = 2; i < n; i += 2)
str2 += String.fromCharCode(
(str.charCodeAt(i) << 8) | str.charCodeAt(i + 1));
@@ -787,59 +707,45 @@ function stringToPDFString(str) {
}
return str2;
}
-
function stringToUTF8String(str) {
return decodeURIComponent(escape(str));
}
-
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 isNull(v) {
return v === null;
}
-
function isName(v) {
return v instanceof Name;
}
-
function isCmd(v, cmd) {
return v instanceof Cmd && (!cmd || v.cmd == cmd);
}
-
function isDict(v, type) {
return v instanceof Dict && (!type || v.get('Type').name == type);
}
-
function isArray(v) {
return v instanceof Array;
}
-
function isStream(v) {
return typeof v == 'object' && v != null && ('getChar' in v);
}
-
function isArrayBuffer(v) {
return typeof v == 'object' && v != null && ('byteLength' in v);
}
-
function isRef(v) {
return v instanceof Ref;
}
-
function isPDFFunction(v) {
var fnDict;
if (typeof v != 'object')
@@ -852,7 +758,6 @@ function isPDFFunction(v) {
return false;
return fnDict.has('FunctionType');
}
-
var Promise = PDFJS.Promise = (function PromiseClosure() {
var EMPTY_PROMISE = {};
function Promise(name, data) {
@@ -894,7 +799,6 @@ var Promise = PDFJS.Promise = (function PromiseClosure() {
};
Promise.prototype = {
hasData: false,
-
set data(value) {
if (value === undefined) {
return;
@@ -905,19 +809,16 @@ var Promise = PDFJS.Promise = (function PromiseClosure() {
}
this._data = value;
this.hasData = true;
-
if (this.onDataCallback) {
this.onDataCallback(value);
}
},
-
get data() {
if (this._data === EMPTY_PROMISE) {
error('Promise ' + this.name + ': Cannot get data that isn\'t set');
}
return this._data;
},
-
onData: function Promise_onData(callback) {
if (this._data !== EMPTY_PROMISE) {
callback(this._data);
@@ -925,7 +826,6 @@ var Promise = PDFJS.Promise = (function PromiseClosure() {
this.onDataCallback = callback;
}
},
-
resolve: function Promise_resolve(data) {
if (this.isResolved) {
error('A Promise can be resolved only once ' + this.name);
@@ -933,23 +833,19 @@ var Promise = PDFJS.Promise = (function PromiseClosure() {
if (this.isRejected) {
error('The Promise was already rejected ' + this.name);
}
-
this.isResolved = true;
this.data = (typeof data !== 'undefined') ? data : null;
var callbacks = this.callbacks;
-
for (var i = 0, ii = callbacks.length; i < ii; i++) {
callbacks[i].call(null, data);
}
},
-
progress: function Promise_progress(data) {
var callbacks = this.progressbacks;
for (var i = 0, ii = callbacks.length; i < ii; i++) {
callbacks[i].call(null, data);
}
},
-
reject: function Promise_reject(reason, exception) {
if (this.isRejected) {
error('A Promise can be rejected only once ' + this.name);
@@ -957,22 +853,17 @@ var Promise = PDFJS.Promise = (function PromiseClosure() {
if (this.isResolved) {
error('The Promise was already resolved ' + this.name);
}
-
this.isRejected = true;
this.error = reason || null;
var errbacks = this.errbacks;
-
for (var i = 0, ii = errbacks.length; i < ii; i++) {
errbacks[i].call(null, reason, exception);
}
},
-
then: function Promise_then(callback, errback, progressback) {
if (!callback) {
error('Requiring callback' + this.name);
}
-
- // If the promise is already resolved, call the callback directly.
if (this.isResolved) {
var data = this.data;
callback.call(null, data);
@@ -984,15 +875,12 @@ var Promise = PDFJS.Promise = (function PromiseClosure() {
if (errback)
this.errbacks.push(errback);
}
-
if (progressback)
this.progressbacks.push(progressback);
}
};
-
return Promise;
})();
-
var StatTimer = (function StatTimerClosure() {
function rpad(str, pad, length) {
while (str.length < length)
@@ -1043,13 +931,11 @@ var StatTimer = (function StatTimerClosure() {
};
return StatTimer;
})();
-
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
PDFJS.getDocument = function getDocument(source) {
var url, data, headers, password, parameters = {}, workerInitializedPromise,
workerReadyPromise, transport;
-
if (typeof source === 'string') {
url = source;
} else if (isArrayBuffer(source)) {
@@ -1060,14 +946,12 @@ PDFJS.getDocument = function getDocument(source) {
headers = source.httpHeaders;
password = source.password;
parameters.password = password || null;
-
if (!url && !data)
error('Invalid parameter array, need either .data or .url');
} else {
error('Invalid parameter in getDocument, need either Uint8Array, ' +
'string or a parameter object');
}
-
workerInitializedPromise = new PDFJS.Promise();
workerReadyPromise = new PDFJS.Promise();
transport = new WorkerTransport(workerInitializedPromise, workerReadyPromise);
@@ -1097,10 +981,8 @@ PDFJS.getDocument = function getDocument(source) {
});
});
}
-
return workerReadyPromise;
};
-
var PDFDocumentProxy = (function PDFDocumentProxyClosure() {
function PDFDocumentProxy(pdfInfo, transport) {
this.pdfInfo = pdfInfo;
@@ -1154,7 +1036,6 @@ var PDFDocumentProxy = (function PDFDocumentProxyClosure() {
};
return PDFDocumentProxy;
})();
-
var PDFPageProxy = (function PDFPageProxyClosure() {
function PDFPageProxy(pageInfo, transport) {
this.pageInfo = pageInfo;
@@ -1185,7 +1066,6 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
getAnnotations: function PDFPageProxy_getAnnotations() {
if (this.annotationsPromise)
return this.annotationsPromise;
-
var promise = new PDFJS.Promise();
this.annotationsPromise = promise;
this.transport.getAnnotations(this.pageInfo.pageIndex);
@@ -1193,20 +1073,17 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
},
render: function PDFPageProxy_render(params) {
this.renderInProgress = true;
-
var promise = new Promise();
var stats = this.stats;
stats.time('Overall');
if (!this.displayReadyPromise) {
this.displayReadyPromise = new Promise();
this.destroyed = false;
-
this.stats.time('Page Request');
this.transport.messageHandler.send('RenderPageRequest', {
pageIndex: this.pageNumber - 1
});
}
-
var self = this;
function complete(error) {
self.renderInProgress = false;
@@ -1214,21 +1091,18 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
delete self.operatorList;
delete self.displayReadyPromise;
}
-
if (error)
promise.reject(error);
else
promise.resolve();
};
var continueCallback = params.continueCallback;
-
this.displayReadyPromise.then(
function pageDisplayReadyPromise() {
if (self.destroyed) {
complete();
return;
}
-
var gfx = new CanvasGraphics(params.canvasContext,
this.objs, params.textLayer);
try {
@@ -1241,7 +1115,6 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
complete(reason);
}
);
-
return promise;
},
startRenderingFromOperatorList:
@@ -1249,49 +1122,35 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
fonts) {
var self = this;
this.operatorList = operatorList;
-
var displayContinuation = function pageDisplayContinuation() {
setTimeout(function pageSetTimeout() {
self.displayReadyPromise.resolve();
});
};
-
this.ensureFonts(fonts,
function pageStartRenderingFromOperatorListEnsureFonts() {
displayContinuation();
}
);
},
- /**
- * For internal use only.
- */
ensureFonts: function PDFPageProxy_ensureFonts(fonts, callback) {
this.stats.time('Font Loading');
- // Convert the font names to the corresponding font obj.
for (var i = 0, ii = fonts.length; i < ii; i++) {
fonts[i] = this.objs.objs[fonts[i]].data;
}
-
- // Load all the fonts
FontLoader.bind(
fonts,
function pageEnsureFontsFontObjs(fontObjs) {
this.stats.timeEnd('Font Loading');
-
callback.call(this);
}.bind(this)
);
},
- /**
- * For internal use only.
- */
display: function PDFPageProxy_display(gfx, viewport, callback,
continueCallback) {
var stats = this.stats;
stats.time('Rendering');
-
gfx.beginDrawing(viewport);
-
var startIdx = 0;
var length = this.operatorList.fnArray.length;
var operatorList = this.operatorList;
@@ -1301,13 +1160,11 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
stepper.init(operatorList);
stepper.nextBreakPoint = stepper.getNextBreakPoint();
}
-
var continueWrapper;
if (continueCallback)
continueWrapper = function() { continueCallback(next); }
else
continueWrapper = next;
-
var self = this;
function next() {
startIdx = gfx.executeOperatorList(operatorList, startIdx,
@@ -1334,7 +1191,7 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
},
getOperationList: function PDFPageProxy_getOperationList() {
var promise = new PDFJS.Promise();
- var operationList = { // not implemented
+ var operationList = {
dependencyFontsID: null,
operatorList: null
};
@@ -1343,7 +1200,6 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
},
destroy: function PDFPageProxy_destroy() {
this.destroyed = true;
-
if (!this.renderInProgress) {
delete this.operatorList;
delete this.displayReadyPromise;
@@ -1356,17 +1212,14 @@ var WorkerTransport = (function WorkerTransportClosure() {
function WorkerTransport(workerInitializedPromise, workerReadyPromise) {
this.workerReadyPromise = workerReadyPromise;
this.objs = new PDFObjects();
-
this.pageCache = [];
this.pagePromises = [];
this.fontsLoading = {};
-
if (!globalScope.PDFJS.disableWorker && typeof Worker !== 'undefined') {
var workerSrc = PDFJS.workerSrc;
if (typeof workerSrc === 'undefined') {
error('No PDFJS.workerSrc specified');
}
-
try {
var worker;
if (PDFJS.isFirefoxExtension) {
@@ -1377,10 +1230,8 @@ var WorkerTransport = (function WorkerTransportClosure() {
} else {
worker = new Worker(workerSrc);
}
-
var messageHandler = new MessageHandler('main', worker);
this.messageHandler = messageHandler;
-
messageHandler.on('test', function transportTest(supportTypedArray) {
if (supportTypedArray) {
this.worker = worker;
@@ -1391,7 +1242,6 @@ var WorkerTransport = (function WorkerTransportClosure() {
}
workerInitializedPromise.resolve();
}.bind(this));
-
var testObj = new Uint8Array(1);
messageHandler.send('test', testObj);
return;
@@ -1407,7 +1257,6 @@ var WorkerTransport = (function WorkerTransportClosure() {
destroy: function WorkerTransport_destroy() {
if (this.worker)
this.worker.terminate();
-
this.pageCache = [];
this.pagePromises = [];
},
@@ -1418,31 +1267,25 @@ var WorkerTransport = (function WorkerTransportClosure() {
},
terminate: function WorkerTransport_terminate() {}
};
-
var messageHandler = new MessageHandler('main', fakeWorker);
this.setupMessageHandler(messageHandler);
WorkerMessageHandler.setup(messageHandler);
},
-
setupMessageHandler:
function WorkerTransport_setupMessageHandler(messageHandler) {
this.messageHandler = messageHandler;
-
messageHandler.on('GetDoc', function transportDoc(data) {
var pdfInfo = data.pdfInfo;
var pdfDocument = new PDFDocumentProxy(pdfInfo, this);
this.pdfDocument = pdfDocument;
this.workerReadyPromise.resolve(pdfDocument);
}, this);
-
messageHandler.on('NeedPassword', function transportPassword(data) {
this.workerReadyPromise.reject(data.exception.message, data.exception);
}, this);
-
messageHandler.on('IncorrectPassword', function transportBadPass(data) {
this.workerReadyPromise.reject(data.exception.message, data.exception);
}, this);
-
messageHandler.on('GetPage', function transportPage(data) {
var pageInfo = data.pageInfo;
var page = new PDFPageProxy(pageInfo, this);
@@ -1450,27 +1293,22 @@ var WorkerTransport = (function WorkerTransportClosure() {
var promise = this.pagePromises[pageInfo.pageIndex];
promise.resolve(page);
}, this);
-
messageHandler.on('GetAnnotations', function transportAnnotations(data) {
var annotations = data.annotations;
var promise = this.pageCache[data.pageIndex].annotationsPromise;
promise.resolve(annotations);
}, this);
-
messageHandler.on('RenderPage', function transportRender(data) {
var page = this.pageCache[data.pageIndex];
var depFonts = data.depFonts;
-
page.stats.timeEnd('Page Request');
page.startRenderingFromOperatorList(data.operatorList, depFonts);
}, this);
-
messageHandler.on('obj', function transportObj(data) {
var id = data[0];
var type = data[1];
if (this.objs.hasData(id))
return;
-
switch (type) {
case 'JpegStream':
var imageData = data[2];
@@ -1484,13 +1322,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
var name = data[2];
var file = data[3];
var properties = data[4];
-
if (file) {
- // Rewrap the ArrayBuffer in a stream.
var fontFileDict = new Dict();
file = new Stream(file, 0, file.length, fontFileDict);
}
-
var font = new Font(name, file, properties);
this.objs.resolve(id, font);
break;
@@ -1498,7 +1333,6 @@ var WorkerTransport = (function WorkerTransportClosure() {
error('Got unkown object type ' + type);
}
}, this);
-
messageHandler.on('PageError', function transportError(data) {
var page = this.pageCache[data.pageNum - 1];
if (page.displayReadyPromise)
@@ -1506,13 +1340,11 @@ var WorkerTransport = (function WorkerTransportClosure() {
else
error(data.error);
}, this);
-
messageHandler.on('JpegDecode', function(data, promise) {
var imageData = data[0];
var components = data[1];
if (components != 3 && components != 1)
error('Only 3 component or 1 component can be returned');
-
var img = new Image();
img.onload = (function messageHandler_onloadClosure() {
var width = img.width;
@@ -1524,7 +1356,6 @@ var WorkerTransport = (function WorkerTransportClosure() {
var tmpCtx = tmpCanvas.getContext('2d');
tmpCtx.drawImage(img, 0, 0);
var data = tmpCtx.getImageData(0, 0, width, height).data;
-
if (components == 3) {
for (var i = 0, j = 0; i < rgbaLength; i += 4, j += 3) {
buf[j] = data[i];
@@ -1542,17 +1373,14 @@ var WorkerTransport = (function WorkerTransportClosure() {
img.src = src;
});
},
-
sendData: function WorkerTransport_sendData(data, params) {
this.messageHandler.send('GetDocRequest', {data: data, params: params});
},
-
getData: function WorkerTransport_sendData(promise) {
this.messageHandler.send('GetData', null, function(data) {
promise.resolve(data);
});
},
-
getPage: function WorkerTransport_getPage(pageNumber, promise) {
var pageIndex = pageNumber - 1;
if (pageIndex in this.pagePromises)
@@ -1562,19 +1390,15 @@ var WorkerTransport = (function WorkerTransportClosure() {
this.messageHandler.send('GetPageRequest', { pageIndex: pageIndex });
return promise;
},
-
getAnnotations: function WorkerTransport_getAnnotations(pageIndex) {
this.messageHandler.send('GetAnnotationsRequest',
{ pageIndex: pageIndex });
}
};
return WorkerTransport;
-
})();
-
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
'use strict';
var TextRenderingMode = {
FILL: 0,
@@ -1586,16 +1410,13 @@ var TextRenderingMode = {
FILL_STROKE_ADD_TO_PATH: 6,
ADD_TO_PATH: 7
};
-
var MIN_FONT_SIZE = 1;
-
function createScratchCanvas(width, height) {
var canvas = document.createElement('canvas');
canvas.width = width;
canvas.height = height;
return canvas;
}
-
function addContextCurrentTransform(ctx) {
if (!ctx.mozCurrentTransform) {
ctx._originalSave = ctx.save;
@@ -1604,24 +1425,19 @@ function addContextCurrentTransform(ctx) {
ctx._originalScale = ctx.scale;
ctx._originalTranslate = ctx.translate;
ctx._originalTransform = ctx.transform;
-
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,
@@ -1632,15 +1448,12 @@ function addContextCurrentTransform(ctx) {
];
}
});
-
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) {
@@ -1648,25 +1461,20 @@ function addContextCurrentTransform(ctx) {
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 = [
@@ -1677,14 +1485,11 @@ function addContextCurrentTransform(ctx) {
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.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,
@@ -1694,12 +1499,10 @@ function addContextCurrentTransform(ctx) {
m[4],
m[5]
];
-
this._originalRotate(angle);
};
}
}
-
var CanvasExtraState = (function CanvasExtraStateClosure() {
function CanvasExtraState(old) {
this.alphaIsShape = false;
@@ -1727,10 +1530,8 @@ var CanvasExtraState = (function CanvasExtraStateClosure() {
this.fillAlpha = 1;
this.strokeAlpha = 1;
this.lineWidth = 1;
-
this.old = old;
}
-
CanvasExtraState.prototype = {
clone: function CanvasExtraState_clone() {
return Object.create(this);
@@ -1742,10 +1543,8 @@ var CanvasExtraState = (function CanvasExtraStateClosure() {
};
return CanvasExtraState;
})();
-
var CanvasGraphics = (function CanvasGraphicsClosure() {
var kExecutionTime = 15;
-
function CanvasGraphics(canvasCtx, objs, textLayer) {
this.ctx = canvasCtx;
this.current = new CanvasExtraState();
@@ -1759,12 +1558,10 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
addContextCurrentTransform(canvasCtx);
}
}
-
var LINE_CAP_STYLES = ['butt', 'round', 'square'];
var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];
var NORMAL_CLIP = {};
var EO_CLIP = {};
-
CanvasGraphics.prototype = {
slowCommands: {
'stroke': true,
@@ -1794,16 +1591,13 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
'paintImageMaskXObject': true,
'shadingFill': true
},
-
beginDrawing: function CanvasGraphics_beginDrawing(viewport) {
var transform = viewport.transform;
this.ctx.save();
this.ctx.transform.apply(this.ctx, transform);
-
if (this.textLayer)
this.textLayer.beginLayout();
},
-
executeOperatorList: function CanvasGraphics_executeOperatorList(
operatorList,
executionStartIdx, continueCallback,
@@ -1812,60 +1606,47 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
var fnArray = operatorList.fnArray;
var i = executionStartIdx || 0;
var argsArrayLen = argsArray.length;
-
if (argsArrayLen == i) {
return i;
}
-
var executionEndIdx;
var endTime = Date.now() + kExecutionTime;
-
var objs = this.objs;
var fnName;
var slowCommands = this.slowCommands;
-
while (true) {
if (stepper && i === stepper.nextBreakPoint) {
stepper.breakIt(i, continueCallback);
return i;
}
-
fnName = fnArray[i];
-
if (fnName !== 'dependency') {
this[fnName].apply(this, argsArray[i]);
} else {
var deps = argsArray[i];
for (var n = 0, nn = deps.length; n < nn; n++) {
var depObjId = deps[n];
-
if (!objs.isResolved(depObjId)) {
objs.get(depObjId, continueCallback);
return i;
}
}
}
-
i++;
-
if (i == argsArrayLen) {
return i;
}
-
if (continueCallback && slowCommands[fnName] && Date.now() > endTime) {
setTimeout(continueCallback, 0);
return i;
}
}
},
-
endDrawing: function CanvasGraphics_endDrawing() {
this.ctx.restore();
-
if (this.textLayer)
this.textLayer.endLayout();
},
-
setLineWidth: function CanvasGraphics_setLineWidth(width) {
this.current.lineWidth = width;
this.ctx.lineWidth = width;
@@ -1894,7 +1675,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
var state = states[i];
var key = state[0];
var value = state[1];
-
switch (key) {
case 'LW':
this.setLineWidth(value);
@@ -1946,7 +1726,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
transform: function CanvasGraphics_transform(a, b, c, d, e, f) {
this.ctx.transform(a, b, c, d, e, f);
},
-
moveTo: function CanvasGraphics_moveTo(x, y) {
this.ctx.moveTo(x, y);
this.current.setCurrentPoint(x, y);
@@ -2002,7 +1781,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
var ctx = this.ctx;
var fillColor = this.current.fillColor;
-
if (fillColor && fillColor.hasOwnProperty('type') &&
fillColor.type === 'Pattern') {
ctx.save();
@@ -2023,7 +1801,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
fillStroke: function CanvasGraphics_fillStroke() {
this.fill(false);
this.stroke(false);
-
this.consumePath();
},
eoFillStroke: function CanvasGraphics_eoFillStroke() {
@@ -2044,14 +1821,12 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
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.x = this.current.lineX = 0;
@@ -2074,44 +1849,34 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
setFont: function CanvasGraphics_setFont(fontRefName, size) {
var fontObj = this.objs.get(fontRefName);
var current = this.current;
-
if (!fontObj)
error('Can\'t find font for ' + fontRefName);
-
if (fontObj.fontMatrix)
current.fontMatrix = fontObj.fontMatrix.slice(0);
else
current.fontMatrix = IDENTITY_MATRIX.slice(0);
-
if (current.fontMatrix[0] === 0 ||
current.fontMatrix[3] === 0) {
warn('Invalid font matrix for font ' + fontRefName);
}
-
if (size < 0) {
size = -size;
current.fontMatrix[0] *= -1;
current.fontMatrix[3] *= -1;
}
-
this.current.font = fontObj;
this.current.fontSize = size;
-
if (fontObj.coded)
return;
-
var name = fontObj.loadedName || 'sans-serif';
var bold = fontObj.black ? (fontObj.bold ? 'bolder' : 'bold') :
(fontObj.bold ? 'bold' : 'normal');
-
var italic = fontObj.italic ? 'italic' : 'normal';
var serif = fontObj.isSerifFont ? 'serif' : 'sans-serif';
var typeface = '"' + name + '", ' + serif;
-
var browserFontSize = size >= MIN_FONT_SIZE ? size : MIN_FONT_SIZE;
this.current.fontSizeScale = browserFontSize != MIN_FONT_SIZE ? 1.0 :
size / MIN_FONT_SIZE;
-
var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface;
this.ctx.font = rule;
},
@@ -2133,7 +1898,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
},
setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
this.current.textMatrix = [a, b, c, d, e, f];
-
this.current.x = this.current.lineX = 0;
this.current.y = this.current.lineY = 0;
},
@@ -2145,7 +1909,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
var current = this.current;
var textHScale = current.textHScale;
var fontMatrix = current.fontMatrix || IDENTITY_MATRIX;
-
ctx.transform.apply(ctx, current.textMatrix);
ctx.scale(1, -1);
ctx.translate(current.x, -1 * current.y);
@@ -2168,7 +1931,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
geometry.spaceWidth = font.spaceWidth;
return geometry;
},
-
showText: function CanvasGraphics_showText(str, skipTextSelection) {
var ctx = this.ctx;
var current = this.current;
@@ -2186,14 +1948,11 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
var text = {str: '', length: 0, canvasWidth: 0, geom: {}};
var textSelection = textLayer && !skipTextSelection ? true : false;
var textRenderingMode = current.textRenderingMode;
-
if (font.coded) {
ctx.save();
ctx.transform.apply(ctx, current.textMatrix);
ctx.translate(current.x, current.y);
-
ctx.scale(textHScale, 1);
-
if (textSelection) {
this.save();
ctx.scale(1, -1);
@@ -2201,26 +1960,21 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
this.restore();
}
for (var i = 0; i < glyphsLength; ++i) {
-
var glyph = glyphs[i];
if (glyph === null) {
this.ctx.translate(wordSpacing, 0);
continue;
}
-
this.save();
ctx.scale(fontSize, fontSize);
ctx.transform.apply(ctx, fontMatrix);
this.executeOperatorList(glyph.operatorList);
this.restore();
-
var transformed = Util.applyTransform([glyph.width, 0], fontMatrix);
var width = transformed[0] * fontSize +
Util.sign(current.fontMatrix[0]) * charSpacing;
-
ctx.translate(width, 0);
current.x += width * textHScale;
-
text.str += glyph.unicode;
text.length++;
text.canvasWidth += width;
@@ -2229,24 +1983,19 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
} else {
ctx.save();
this.applyTextTransforms();
-
var lineWidth = current.lineWidth;
var scale = Math.abs(current.textMatrix[0] * fontMatrix[0]);
if (scale == 0 || lineWidth == 0)
lineWidth = this.getSinglePixelWidth();
else
lineWidth /= scale;
-
if (textSelection)
text.geom = this.getTextGeometry();
-
if (fontSizeScale != 1.0) {
ctx.scale(fontSizeScale, fontSizeScale);
lineWidth /= fontSizeScale;
}
-
ctx.lineWidth = lineWidth;
-
var x = 0;
for (var i = 0; i < glyphsLength; ++i) {
var glyph = glyphs[i];
@@ -2254,11 +2003,9 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
x += Util.sign(current.fontMatrix[0]) * wordSpacing;
continue;
}
-
var character = glyph.fontChar;
var charWidth = glyph.width * fontSize * 0.001 +
Util.sign(current.fontMatrix[0]) * charSpacing;
-
if (!glyph.disabled) {
var scaledX = x / fontSizeScale;
switch (textRenderingMode) {
@@ -2280,9 +2027,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
break;
}
}
-
x += charWidth;
-
var glyphUnicode = glyph.unicode === ' ' ? '\u00A0' : glyph.unicode;
var glyphUnicodeLength = glyphUnicode.length;
if (glyphUnicodeLength > 1 &&
@@ -2297,10 +2042,8 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
current.x += x * textHScale2;
ctx.restore();
}
-
if (textSelection)
this.textLayer.appendText(text, font.loadedName, fontSize);
-
return text;
},
showSpacedText: function CanvasGraphics_showSpacedText(arr) {
@@ -2315,7 +2058,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
var textLayer = this.textLayer;
var text = {str: '', length: 0, canvasWidth: 0, geom: {}};
var textSelection = textLayer ? true : false;
-
if (textSelection) {
ctx.save();
if (font.coded) {
@@ -2328,16 +2070,14 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
text.geom = this.getTextGeometry();
ctx.restore();
}
-
for (var i = 0; i < arrLength; ++i) {
var e = arr[i];
if (isNum(e)) {
var spacingLength = -e * 0.001 * fontSize * textHScale;
current.x += spacingLength;
-
if (textSelection) {
text.canvasWidth += spacingLength;
- if (e < 0 && text.geom.spaceWidth > 0) { // avoid div by zero
+ if (e < 0 && text.geom.spaceWidth > 0) {
var numFakeSpaces = Math.round(-e / text.geom.spaceWidth);
if (numFakeSpaces > 0) {
text.str += '\u00A0';
@@ -2347,7 +2087,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
}
} else if (isString(e)) {
var shownText = this.showText(e, true);
-
if (textSelection) {
if (shownText.str === ' ') {
text.str += '\u00A0';
@@ -2361,7 +2100,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
error('TJ array element ' + e + ' is not string or num');
}
}
-
if (textSelection)
this.textLayer.appendText(text, font.loadedName, fontSize);
},
@@ -2377,7 +2115,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
this.setCharSpacing(charSpacing);
this.nextLineShowText(text);
},
-
setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {
},
setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth,
@@ -2390,7 +2127,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
this.clip();
this.endPath();
},
-
setStrokeColorSpace: function CanvasGraphics_setStrokeColorSpace(raw) {
this.current.strokeColorSpace = ColorSpace.fromIR(raw);
},
@@ -2411,11 +2147,9 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
var color;
if (base) {
var baseComps = base.numComps;
-
color = [];
for (var i = 0; i < baseComps; ++i)
color.push(args[i]);
-
color = base.getRgb(color);
}
var pattern = new TilingPattern(IR, color, this.ctx, this.objs);
@@ -2428,7 +2162,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
},
setStrokeColorN: function CanvasGraphics_setStrokeColorN(/*...*/) {
var cs = this.current.strokeColorSpace;
-
if (cs.name == 'Pattern') {
this.current.strokeColor = this.getColorN_Pattern(arguments, cs);
} else {
@@ -2444,7 +2177,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
},
setFillColorN: function CanvasGraphics_setFillColorN(/*...*/) {
var cs = this.current.fillColorSpace;
-
if (cs.name == 'Pattern') {
this.current.fillColor = this.getColorN_Pattern(arguments, cs);
} else {
@@ -2454,7 +2186,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
setStrokeGray: function CanvasGraphics_setStrokeGray(gray) {
if (!(this.current.strokeColorSpace instanceof DeviceGrayCS))
this.current.strokeColorSpace = new DeviceGrayCS();
-
var color = Util.makeCssRgb(gray, gray, gray);
this.ctx.strokeStyle = color;
this.current.strokeColor = color;
@@ -2462,7 +2193,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
setFillGray: function CanvasGraphics_setFillGray(gray) {
if (!(this.current.fillColorSpace instanceof DeviceGrayCS))
this.current.fillColorSpace = new DeviceGrayCS();
-
var color = Util.makeCssRgb(gray, gray, gray);
this.ctx.fillStyle = color;
this.current.fillColor = color;
@@ -2470,7 +2200,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {
if (!(this.current.strokeColorSpace instanceof DeviceRgbCS))
this.current.strokeColorSpace = new DeviceRgbCS();
-
var color = Util.makeCssRgb(r, g, b);
this.ctx.strokeStyle = color;
this.current.strokeColor = color;
@@ -2478,7 +2207,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
if (!(this.current.fillColorSpace instanceof DeviceRgbCS))
this.current.fillColorSpace = new DeviceRgbCS();
-
var color = Util.makeCssRgb(r, g, b);
this.ctx.fillStyle = color;
this.current.fillColor = color;
@@ -2486,7 +2214,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
setStrokeCMYKColor: function CanvasGraphics_setStrokeCMYKColor(c, m, y, k) {
if (!(this.current.strokeColorSpace instanceof DeviceCmykCS))
this.current.strokeColorSpace = new DeviceCmykCS();
-
var color = Util.makeCssCmyk(c, m, y, k);
this.ctx.strokeStyle = color;
this.current.strokeColor = color;
@@ -2494,57 +2221,45 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
setFillCMYKColor: function CanvasGraphics_setFillCMYKColor(c, m, y, k) {
if (!(this.current.fillColorSpace instanceof DeviceCmykCS))
this.current.fillColorSpace = new DeviceCmykCS();
-
var color = Util.makeCssCmyk(c, m, y, k);
this.ctx.fillStyle = color;
this.current.fillColor = color;
},
-
shadingFill: function CanvasGraphics_shadingFill(patternIR) {
var ctx = this.ctx;
-
this.save();
var pattern = Pattern.shadingFromIR(patternIR);
ctx.fillStyle = pattern.getPattern(ctx);
-
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();
-
if (matrix && isArray(matrix) && 6 == matrix.length)
this.transform.apply(this, matrix);
-
if (bbox && isArray(bbox) && 4 == bbox.length) {
var width = bbox[2] - bbox[0];
var height = bbox[3] - bbox[1];
@@ -2553,28 +2268,21 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
this.endPath();
}
},
-
paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
this.restore();
},
-
paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {
var domImage = this.objs.get(objId);
if (!domImage) {
error('Dependent image isn\'t ready yet');
}
-
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);
-
this.restore();
},
-
paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(
imgArray, inverseDecode, width, height) {
function applyStencilMask(buffer, inverseDecode) {
@@ -2599,7 +2307,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
function rescaleImage(pixels, widthScale, heightScale) {
var scaledWidth = Math.ceil(width / widthScale);
var scaledHeight = Math.ceil(height / heightScale);
-
var itemsSum = new Uint32Array(scaledWidth * scaledHeight * 4);
var itemsCount = new Uint32Array(scaledWidth * scaledHeight);
for (var i = 0, position = 0; i < height; i++) {
@@ -2630,32 +2337,24 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
tmpCtx.putImageData(imgData, 0, 0);
return tmpCanvas;
}
-
this.save();
-
var ctx = this.ctx;
var w = width, h = height;
ctx.scale(1 / w, -1 / h);
-
var tmpCanvas = createScratchCanvas(w, h);
var tmpCtx = tmpCanvas.getContext('2d');
-
var fillColor = this.current.fillColor;
tmpCtx.fillStyle = (fillColor && fillColor.hasOwnProperty('type') &&
fillColor.type === 'Pattern') ?
fillColor.getPattern(tmpCtx) : fillColor;
tmpCtx.fillRect(0, 0, w, h);
-
var imgData = tmpCtx.getImageData(0, 0, w, h);
var pixels = imgData.data;
-
applyStencilMask(pixels, inverseDecode);
-
var currentTransform = ctx.mozCurrentTransformInverse;
var widthScale = Math.max(Math.abs(currentTransform[0]), 1);
var heightScale = Math.max(Math.abs(currentTransform[3]), 1);
if (widthScale >= 2 || heightScale >= 2) {
- // algorithm to perform pre-scaling
tmpCanvas = rescaleImage(imgData.data, widthScale, heightScale);
ctx.scale(widthScale, heightScale);
ctx.drawImage(tmpCanvas, 0, -h / heightScale);
@@ -2665,30 +2364,23 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
}
this.restore();
},
-
paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
var imgData = this.objs.get(objId);
if (!imgData)
error('Dependent image isn\'t ready yet');
-
this.save();
var ctx = this.ctx;
var w = imgData.width;
var h = imgData.height;
ctx.scale(1 / w, -1 / h);
-
var tmpCanvas = createScratchCanvas(w, h);
var tmpCtx = tmpCanvas.getContext('2d');
this.putBinaryImageData(tmpCtx, imgData, w, h);
-
ctx.drawImage(tmpCanvas, 0, -h);
this.restore();
},
-
putBinaryImageData: function CanvasGraphics_putBinaryImageData() {
},
-
-
markPoint: function CanvasGraphics_markPoint(tag) {
},
markPointProps: function CanvasGraphics_markPointProps(tag, properties) {
@@ -2700,24 +2392,18 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
},
endMarkedContent: function CanvasGraphics_endMarkedContent() {
},
-
-
beginCompat: function CanvasGraphics_beginCompat() {
TODO('ignore undefined operators (should we do that anyway?)');
},
endCompat: function CanvasGraphics_endCompat() {
TODO('stop ignoring undefined operators');
},
-
-
consumePath: function CanvasGraphics_consumePath() {
if (this.pendingClip) {
var savedFillRule = null;
if (this.pendingClip == EO_CLIP)
savedFillRule = this.setEOFillRule();
-
this.ctx.clip();
-
this.pendingClip = null;
if (savedFillRule !== null)
this.restoreFillRule(savedFillRule);
@@ -2737,23 +2423,19 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
return Math.abs(inverse[0] + inverse[2]);
}
};
-
return CanvasGraphics;
})();
-
if (!isWorker) {
var canvas = document.createElement('canvas');
canvas.width = 1;
canvas.height = 1;
var ctx = canvas.getContext('2d');
-
try {
ctx.putImageData({
width: 1,
height: 1,
data: new Uint8Array(4)
}, 0, 0);
-
CanvasGraphics.prototype.putBinaryImageData =
function CanvasGraphicsPutBinaryImageDataNative(ctx, imgData) {
ctx.putImageData(imgData, 0, 0);
@@ -2762,63 +2444,45 @@ if (!isWorker) {
CanvasGraphics.prototype.putBinaryImageData =
function CanvasGraphicsPutBinaryImageDataShim(ctx, imgData, w, h) {
var tmpImgData = ctx.getImageData(0, 0, w, h);
-
var tmpImgDataPixels = tmpImgData.data;
var len = tmpImgDataPixels.length;
-
while (len--) {
tmpImgDataPixels[len] = imgData.data[len];
}
-
ctx.putImageData(tmpImgData, 0, 0);
};
}
}
-
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
'use strict';
-
var Name = (function NameClosure() {
function Name(name) {
this.name = name;
}
-
Name.prototype = {};
-
return Name;
})();
-
var Cmd = (function CmdClosure() {
function Cmd(cmd) {
this.cmd = cmd;
}
-
Cmd.prototype = {};
-
var cmdCache = {};
-
Cmd.get = function Cmd_get(cmd) {
var cmdValue = cmdCache[cmd];
if (cmdValue)
return cmdValue;
-
return cmdCache[cmd] = new Cmd(cmd);
};
-
return Cmd;
})();
-
var Dict = (function DictClosure() {
- // xref is optional
function Dict(xref) {
var map = Object.create(null);
-
this.assignXref = function Dict_assignXref(newXref) {
xref = newXref;
};
-
this.get = function Dict_get(key1, key2, key3) {
var value;
if (typeof (value = map[key1]) != 'undefined' || key1 in map ||
@@ -2832,13 +2496,9 @@ var Dict = (function DictClosure() {
value = map[key3] || null;
return xref ? xref.fetchIfRef(value) : value;
};
-
- // no dereferencing
this.getRaw = function Dict_getRaw(key) {
return map[key];
};
-
- // creates new map and dereferences all Refs
this.getAll = function Dict_getAll() {
var all = {};
for (var key in map) {
@@ -2847,56 +2507,42 @@ var Dict = (function DictClosure() {
}
return all;
};
-
this.set = function Dict_set(key, value) {
map[key] = value;
};
-
this.has = function Dict_has(key) {
return key in map;
};
-
this.forEach = function Dict_forEach(callback) {
for (var key in map) {
callback(key, this.get(key));
}
};
};
-
return Dict;
})();
-
var Ref = (function RefClosure() {
function Ref(num, gen) {
this.num = num;
this.gen = gen;
}
-
Ref.prototype = {};
-
return Ref;
})();
-
-// The reference is identified by number and generation,
-// this structure stores only one instance of the reference.
var RefSet = (function RefSetClosure() {
function RefSet() {
this.dict = {};
}
-
RefSet.prototype = {
has: function RefSet_has(ref) {
return !!this.dict['R' + ref.num + '.' + ref.gen];
},
-
put: function RefSet_put(ref) {
this.dict['R' + ref.num + '.' + ref.gen] = ref;
}
};
-
return RefSet;
})();
-
var Catalog = (function CatalogClosure() {
function Catalog(xref) {
this.xref = xref;
@@ -2904,29 +2550,20 @@ var Catalog = (function CatalogClosure() {
assertWellFormed(isDict(obj), 'catalog object is not a dictionary');
this.catDict = obj;
}
-
Catalog.prototype = {
get metadata() {
var streamRef = this.catDict.getRaw('Metadata');
if (!isRef(streamRef))
return shadow(this, 'metadata', null);
-
var encryptMetadata = !this.xref.encrypt ? false :
this.xref.encrypt.encryptMetadata;
-
var stream = this.xref.fetch(streamRef, !encryptMetadata);
var metadata;
if (stream && isDict(stream.dict)) {
var type = stream.dict.get('Type');
var subtype = stream.dict.get('Subtype');
-
if (isName(type) && isName(subtype) &&
type.name === 'Metadata' && subtype.name === 'XML') {
- // XXX: This should examine the charset the XML document defines,
- // however since there are currently no real means to decode
- // arbitrary charsets, let's just hope that the author of the PDF
- // was reasonable enough to stick with the XML default charset,
- // which is UTF-8.
try {
metadata = stringToUTF8String(bytesToString(stream.getBytes()));
} catch (e) {
@@ -2934,13 +2571,11 @@ var Catalog = (function CatalogClosure() {
}
}
}
-
return shadow(this, 'metadata', metadata);
},
get toplevelPagesDict() {
var pagesObj = this.catDict.get('Pages');
assertWellFormed(isDict(pagesObj), 'invalid top-level pages dictionary');
- // shadow the prototype getter
return shadow(this, 'toplevelPagesDict', pagesObj);
},
get documentOutline() {
@@ -2952,8 +2587,6 @@ var Catalog = (function CatalogClosure() {
var processed = new RefSet();
if (isRef(obj)) {
var queue = [{obj: obj, parent: root}];
- // to avoid recursion keeping track of the items
- // in the processed dictionary
processed.put(obj);
while (queue.length > 0) {
var i = queue.shift();
@@ -3003,7 +2636,6 @@ var Catalog = (function CatalogClosure() {
isInt(obj),
'page count in top level pages object is not an integer'
);
- // shadow the prototype getter
return shadow(this, 'num', obj);
},
traverseKids: function Catalog_traverseKids(pagesDict) {
@@ -3018,7 +2650,7 @@ var Catalog = (function CatalogClosure() {
var obj = this.xref.fetch(kid);
if (isDict(obj, 'Page') || (isDict(obj) && !obj.has('Kids'))) {
pageCache.push(new Page(this.xref, pageCache.length, obj, kid));
- } else { // must be a child page dictionary
+ } else {
assertWellFormed(
isDict(obj),
'page dictionary kid reference points to wrong type of object'
@@ -3031,7 +2663,6 @@ var Catalog = (function CatalogClosure() {
function fetchDestination(dest) {
return isDict(dest) ? dest.get('D') : dest;
}
-
var xref = this.xref;
var dests = {}, nameTreeRef, nameDictionaryRef;
var obj = this.catDict.get('Names');
@@ -3039,9 +2670,7 @@ var Catalog = (function CatalogClosure() {
nameTreeRef = obj.getRaw('Dests');
else if (this.catDict.has('Dests'))
nameDictionaryRef = this.catDict.get('Dests');
-
if (nameDictionaryRef) {
- // reading simple destination dictionary
obj = nameDictionaryRef;
obj.forEach(function catalogForEach(key, value) {
if (!value) return;
@@ -3049,7 +2678,6 @@ var Catalog = (function CatalogClosure() {
});
}
if (nameTreeRef) {
- // reading name tree
var processed = new RefSet();
processed.put(nameTreeRef);
var queue = [nameTreeRef];
@@ -3084,10 +2712,8 @@ var Catalog = (function CatalogClosure() {
return this.pageCache[n - 1];
}
};
-
return Catalog;
})();
-
var XRef = (function XRefClosure() {
function XRef(stream, startXRef, mainXRefEntriesOffset, password) {
this.stream = stream;
@@ -3096,85 +2722,47 @@ var XRef = (function XRefClosure() {
var trailerDict = this.readXRef(startXRef);
trailerDict.assignXref(this);
this.trailer = trailerDict;
- // prepare the XRef cache
this.cache = [];
-
var encrypt = trailerDict.get('Encrypt');
if (encrypt) {
var fileId = trailerDict.get('ID');
this.encrypt = new CipherTransformFactory(encrypt, fileId[0], password);
}
-
- // get the root dictionary (catalog) object
if (!(this.root = trailerDict.get('Root')))
error('Invalid root reference');
}
-
XRef.prototype = {
readXRefTable: function XRef_readXRefTable(parser) {
- // Example of cross-reference table:
- // xref
- // 0 1 <-- subsection header (first obj #, obj count)
- // 0000000000 65535 f <-- actual object (offset, generation #, f/n)
- // 23 2 <-- subsection header ... and so on ...
- // 0000025518 00002 n
- // 0000025635 00000 n
- // trailer
- // ...
-
- // Outer loop is over subsection headers
var obj;
while (!isCmd(obj = parser.getObj(), 'trailer')) {
var first = obj,
count = parser.getObj();
-
if (!isInt(first) || !isInt(count))
error('Invalid XRef table: wrong types in subsection header');
-
- // Inner loop is over objects themselves
for (var i = 0; i < count; i++) {
var entry = {};
entry.offset = parser.getObj();
entry.gen = parser.getObj();
var type = parser.getObj();
-
if (isCmd(type, 'f'))
entry.free = true;
else if (isCmd(type, 'n'))
entry.uncompressed = true;
-
- // Validate entry obj
if (!isInt(entry.offset) || !isInt(entry.gen) ||
!(entry.free || entry.uncompressed)) {
error('Invalid entry in XRef subsection: ' + first + ', ' + count);
}
-
if (!this.entries[i + first])
this.entries[i + first] = entry;
}
}
-
- // Sanity check: as per spec, first object must be free
if (this.entries[0] && !this.entries[0].free)
error('Invalid XRef table: unexpected first object');
-
- // Sanity check
if (!isCmd(obj, 'trailer'))
error('Invalid XRef table: could not find trailer dictionary');
-
- // Read trailer dictionary, e.g.
- // trailer
- // << /Size 22
- // /Root 20R
- // /Info 10R
- // /ID [ <81b14aafa313db63dbd6f981e49f94f4> ]
- // >>
- // The parser goes through the entire stream << ... >> and provides
- // a getter interface for the key-value table
var dict = parser.getObj();
if (!isDict(dict))
error('Invalid XRef table: could not parse trailer dictionary');
-
return dict;
},
readXRefStream: function XRef_readXRefStream(stream) {
@@ -3199,7 +2787,6 @@ var XRef = (function XRefClosure() {
var type = 0, offset = 0, generation = 0;
for (j = 0; j < typeFieldWidth; ++j)
type = (type << 8) | stream.getByte();
- // if type field is absent, its default value = 1
if (typeFieldWidth == 0)
type = 1;
for (j = 0; j < offsetFieldWidth; ++j)
@@ -3229,8 +2816,6 @@ var XRef = (function XRefClosure() {
return streamParameters;
},
indexObjects: function XRef_indexObjects() {
- // Simple scan through the PDF content to find objects,
- // trailers and XRef streams.
function readToken(data, offset) {
var token = '', ch = data[offset];
while (ch !== 13 && ch !== 10) {
@@ -3244,14 +2829,12 @@ var XRef = (function XRefClosure() {
function skipUntil(data, offset, what) {
var length = what.length, dataLength = data.length;
var skipped = 0;
- // finding byte sequence
while (offset < dataLength) {
var i = 0;
while (i < length && data[offset + i] == what[i])
++i;
if (i >= length)
- break; // sequence found
-
+ break;
offset++;
skipped++;
}
@@ -3262,7 +2845,6 @@ var XRef = (function XRefClosure() {
101, 102]);
var endobjBytes = new Uint8Array([101, 110, 100, 111, 98, 106]);
var xrefBytes = new Uint8Array([47, 88, 82, 101, 102]);
-
var stream = this.stream;
stream.pos = 0;
var buffer = stream.getBytes();
@@ -3276,7 +2858,7 @@ var XRef = (function XRefClosure() {
++position;
continue;
}
- if (ch === 37) { // %-comment
+ if (ch === 37) {
do {
++position;
ch = buffer[position];
@@ -3295,28 +2877,21 @@ var XRef = (function XRefClosure() {
gen: m[2] | 0,
uncompressed: true
};
-
var contentLength = skipUntil(buffer, position, endobjBytes) + 7;
var content = buffer.subarray(position, position + contentLength);
-
- // checking XRef stream suspect
- // (it shall have '/XRef' and next char is not a letter)
var xrefTagOffset = skipUntil(content, 0, xrefBytes);
if (xrefTagOffset < contentLength &&
content[xrefTagOffset + 5] < 64) {
xrefStms.push(position);
- this.xrefstms[position] = 1; // don't read it recursively
+ this.xrefstms[position] = 1;
}
-
position += contentLength;
} else
position += token.length + 1;
}
- // reading XRef streams
for (var i = 0, ii = xrefStms.length; i < ii; ++i) {
this.readXRef(xrefStms[i], true);
}
- // finding main trailer
var dict;
for (var i = 0, ii = trailers.length; i < ii; ++i) {
stream.pos = trailers[i];
@@ -3324,46 +2899,33 @@ var XRef = (function XRefClosure() {
var obj = parser.getObj();
if (!isCmd(obj, 'trailer'))
continue;
- // read the trailer dictionary
if (!isDict(dict = parser.getObj()))
continue;
- // taking the first one with 'ID'
if (dict.has('ID'))
return dict;
}
- // no tailer with 'ID', taking last one (if exists)
if (dict)
return dict;
- // nothing helps
error('Invalid PDF structure');
},
readXRef: function XRef_readXRef(startXRef, recoveryMode) {
var stream = this.stream;
stream.pos = startXRef;
-
try {
var parser = new Parser(new Lexer(stream), true, null);
var obj = parser.getObj();
var dict;
-
- // Get dictionary
if (isCmd(obj, 'xref')) {
- // Parse end-of-file XRef
dict = this.readXRefTable(parser);
-
- // Recursively get other XRefs 'XRefStm', if any
obj = dict.get('XRefStm');
if (isInt(obj)) {
var pos = obj;
- // ignore previously loaded xref streams
- // (possible infinite recursion)
if (!(pos in this.xrefstms)) {
this.xrefstms[pos] = 1;
this.readXRef(pos);
}
}
} else if (isInt(obj)) {
- // Parse in-stream XRef
if (!isInt(parser.getObj()) ||
!isCmd(parser.getObj(), 'obj') ||
!isStream(obj = parser.getObj())) {
@@ -3373,25 +2935,18 @@ var XRef = (function XRefClosure() {
if (!dict)
error('Failed to read XRef stream');
}
-
- // Recursively get previous dictionary, if any
obj = dict.get('Prev');
if (isInt(obj))
this.readXRef(obj, recoveryMode);
else if (isRef(obj)) {
- // The spec says Prev must not be a reference, i.e. "/Prev NNN"
- // This is a fallback for non-compliant PDFs, i.e. "/Prev NNN 0 R"
this.readXRef(obj.num, recoveryMode);
}
-
return dict;
} catch (e) {
log('(while reading XRef): ' + e);
}
-
if (recoveryMode)
return;
-
warn('Indexing all PDF objects');
return this.indexObjects();
},
@@ -3399,7 +2954,7 @@ var XRef = (function XRefClosure() {
var e = this.entries[i];
if (e === null)
return null;
- return e.free ? null : e; // returns null is the entry is free
+ return e.free ? null : e;
},
fetchIfRef: function XRef_fetchIfRef(obj) {
if (!isRef(obj))
@@ -3411,13 +2966,9 @@ var XRef = (function XRefClosure() {
var num = ref.num;
if (num in this.cache)
return this.cache[num];
-
var e = this.getEntry(num);
-
- // the referenced entry can be free
if (e === null)
return (this.cache[num] = e);
-
var gen = ref.gen;
var stream, parser;
if (e.uncompressed) {
@@ -3434,7 +2985,6 @@ var XRef = (function XRefClosure() {
error('bad XRef entry');
}
if (!isCmd(obj3, 'obj')) {
- // some bad pdfs use "obj1234" and really mean 1234
if (obj3.cmd.indexOf('obj') == 0) {
num = parseInt(obj3.cmd.substring(3), 10);
if (!isNaN(num))
@@ -3446,21 +2996,15 @@ var XRef = (function XRefClosure() {
try {
e = parser.getObj(this.encrypt.createCipherTransform(num, gen));
} catch (ex) {
- // almost all streams must be encrypted, but sometimes
- // they are not probably due to some broken generators
- // re-trying without encryption
return this.fetch(ref, true);
}
} else {
e = parser.getObj();
}
- // Don't cache streams since they are mutable (except images).
if (!isStream(e) || e instanceof JpegStream)
this.cache[num] = e;
return e;
}
-
- // compressed entry
stream = this.fetch(new Ref(e.offset, 0));
if (!isStream(stream))
error('bad ObjStm stream');
@@ -3471,7 +3015,6 @@ var XRef = (function XRefClosure() {
}
parser = new Parser(new Lexer(stream), false, this);
var i, entries = [], nums = [];
- // read the object numbers to populate cache
for (i = 0; i < n; ++i) {
num = parser.getObj();
if (!isInt(num)) {
@@ -3483,7 +3026,6 @@ var XRef = (function XRefClosure() {
error('invalid object offset in the ObjStm stream: ' + offset);
}
}
- // read stream objects for cache
for (i = 0; i < n; ++i) {
entries.push(parser.getObj());
this.cache[nums[i]] = entries[i];
@@ -3498,82 +3040,40 @@ var XRef = (function XRefClosure() {
return this.root;
}
};
-
return XRef;
})();
-
-/**
- * A PDF document and page is built of many objects. E.g. there are objects
- * for fonts, images, rendering code and such. These objects might get processed
- * inside of a worker. The `PDFObjects` implements some basic functions to
- * manage these objects.
- */
var PDFObjects = (function PDFObjectsClosure() {
function PDFObjects() {
this.objs = {};
}
-
PDFObjects.prototype = {
objs: null,
-
- /**
- * Internal function.
- * Ensures there is an object defined for `objId`. Stores `data` on the
- * object *if* it is created.
- */
ensureObj: function PDFObjects_ensureObj(objId, data) {
if (this.objs[objId])
return this.objs[objId];
return this.objs[objId] = new Promise(objId, data);
},
-
- /**
- * If called *without* callback, this returns the data of `objId` but the
- * object needs to be resolved. If it isn't, this function throws.
- *
- * If called *with* a callback, the callback is called with the data of the
- * object once the object is resolved. That means, if you call this
- * function and the object is already resolved, the callback gets called
- * right away.
- */
get: function PDFObjects_get(objId, callback) {
- // If there is a callback, then the get can be async and the object is
- // not required to be resolved right now
if (callback) {
this.ensureObj(objId).then(callback);
return null;
}
-
- // If there isn't a callback, the user expects to get the resolved data
- // directly.
var obj = this.objs[objId];
-
- // If there isn't an object yet or the object isn't resolved, then the
- // data isn't ready yet!
if (!obj || !obj.isResolved)
error('Requesting object that isn\'t resolved yet ' + objId);
-
return obj.data;
},
-
- /**
- * Resolves the object `objId` with optional `data`.
- */
resolve: function PDFObjects_resolve(objId, data) {
var objs = this.objs;
-
- // In case there is a promise already on this object, just resolve it.
if (objs[objId]) {
objs[objId].resolve(data);
} else {
this.ensureObj(objId, data);
}
},
-
onData: function PDFObjects_onData(objId, callback) {
this.ensureObj(objId).onData(callback);
},
-
isResolved: function PDFObjects_isResolved(objId) {
var objs = this.objs;
if (!objs[objId]) {
@@ -3582,7 +3082,6 @@ var PDFObjects = (function PDFObjectsClosure() {
return objs[objId].isResolved;
}
},
-
hasData: function PDFObjects_hasData(objId) {
var objs = this.objs;
if (!objs[objId]) {
@@ -3591,31 +3090,20 @@ var PDFObjects = (function PDFObjectsClosure() {
return objs[objId].hasData;
}
},
-
- /**
- * Sets the data of an object but *doesn't* resolve it.
- */
setData: function PDFObjects_setData(objId, data) {
- // Watchout! If you call `this.ensureObj(objId, data)` you're going to
- // create a *resolved* promise which shouldn't be the case!
this.ensureObj(objId).data = data;
}
};
return PDFObjects;
})();
-
-
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
'use strict';
-
var PDFFunction = (function PDFFunctionClosure() {
var CONSTRUCT_SAMPLED = 0;
var CONSTRUCT_INTERPOLATED = 2;
var CONSTRUCT_STICHED = 3;
var CONSTRUCT_POSTSCRIPT = 4;
-
return {
getSampleArray: function PDFFunction_getSampleArray(size, outputSize, bps,
str) {
@@ -3623,13 +3111,10 @@ var PDFFunction = (function PDFFunctionClosure() {
for (var i = 0, ii = size.length; i < ii; i++)
length *= size[i];
length *= outputSize;
-
var array = [];
var codeSize = 0;
var codeBuf = 0;
- // 32 is a valid bps so shifting won't work
var sampleMul = 1.0 / (Math.pow(2.0, bps) - 1);
-
var strBytes = str.getBytes((length * bps + 7) / 8);
var strIdx = 0;
for (var i = 0; i < length; i++) {
@@ -3644,26 +3129,21 @@ var PDFFunction = (function PDFFunctionClosure() {
}
return array;
},
-
getIR: function PDFFunction_getIR(xref, fn) {
var dict = fn.dict;
if (!dict)
dict = fn;
-
var types = [this.constructSampled,
null,
this.constructInterpolated,
this.constructStiched,
this.constructPostScript];
-
var typeNum = dict.get('FunctionType');
var typeFn = types[typeNum];
if (!typeFn)
error('Unknown type of function');
-
return typeFn.call(this, fn, dict, xref);
},
-
fromIR: function PDFFunction_fromIR(IR) {
var type = IR[0];
switch (type) {
@@ -3678,12 +3158,10 @@ var PDFFunction = (function PDFFunctionClosure() {
return this.constructPostScriptFromIR(IR);
}
},
-
parse: function PDFFunction_parse(xref, fn) {
var IR = this.getIR(xref, fn);
return this.fromIR(IR);
},
-
constructSampled: function PDFFunction_constructSampled(str, dict) {
function toMultiArray(arr) {
var inputLength = arr.length;
@@ -3698,16 +3176,12 @@ var PDFFunction = (function PDFFunctionClosure() {
}
var domain = dict.get('Domain');
var range = dict.get('Range');
-
if (!domain || !range)
error('No domain or range');
-
var inputSize = domain.length / 2;
var outputSize = range.length / 2;
-
domain = toMultiArray(domain);
range = toMultiArray(range);
-
var size = dict.get('Size');
var bps = dict.get('BitsPerSample');
var order = dict.get('Order');
@@ -3715,7 +3189,6 @@ var PDFFunction = (function PDFFunctionClosure() {
order = 1;
if (order !== 1)
error('No support for cubic spline interpolation: ' + order);
-
var encode = dict.get('Encode');
if (!encode) {
encode = [];
@@ -3725,29 +3198,22 @@ var PDFFunction = (function PDFFunctionClosure() {
}
}
encode = toMultiArray(encode);
-
var decode = dict.get('Decode');
if (!decode)
decode = range;
else
decode = toMultiArray(decode);
-
var samples = this.getSampleArray(size, outputSize, bps, str);
-
return [
CONSTRUCT_SAMPLED, inputSize, domain, encode, decode, samples, size,
outputSize, Math.pow(2, bps) - 1, range
];
},
-
constructSampledFromIR: function PDFFunction_constructSampledFromIR(IR) {
- // See chapter 3, page 109 of the PDF reference
function interpolate(x, xmin, xmax, ymin, ymax) {
return ymin + ((x - xmin) * ((ymax - ymin) / (xmax - xmin)));
}
-
return function constructSampledFromIRResult(args) {
- // See chapter 3, page 110 of the PDF reference.
var m = IR[1];
var domain = IR[2];
var encode = IR[3];
@@ -3757,44 +3223,29 @@ var PDFFunction = (function PDFFunctionClosure() {
var n = IR[7];
var mask = IR[8];
var range = IR[9];
-
if (m != args.length)
error('Incorrect number of arguments: ' + inputSize + ' != ' +
args.length);
-
var x = args;
-
- // Building the cube vertices: its part and sample index
- // http://rjwagner49.com/Mathematics/Interpolation.pdf
var cubeVertices = 1 << m;
var cubeN = new Float64Array(cubeVertices);
var cubeVertex = new Uint32Array(cubeVertices);
for (var j = 0; j < cubeVertices; j++)
cubeN[j] = 1;
-
var k = n, pos = 1;
- // Map x_i to y_j for 0 <= i < m using the sampled function.
for (var i = 0; i < m; ++i) {
- // x_i' = min(max(x_i, Domain_2i), Domain_2i+1)
var domain_2i = domain[i][0];
var domain_2i_1 = domain[i][1];
var xi = Math.min(Math.max(x[i], domain_2i), domain_2i_1);
-
- // e_i = Interpolate(x_i', Domain_2i, Domain_2i+1,
- // Encode_2i, Encode_2i+1)
var e = interpolate(xi, domain_2i, domain_2i_1,
encode[i][0], encode[i][1]);
-
- // e_i' = min(max(e_i, 0), Size_i - 1)
var size_i = size[i];
e = Math.min(Math.max(e, 0), size_i - 1);
-
- // Adjusting the cube: N and vertex sample index
- var e0 = e < size_i - 1 ? Math.floor(e) : e - 1; // e1 = e0 + 1;
- var n0 = e0 + 1 - e; // (e1 - e) / (e1 - e0);
- var n1 = e - e0; // (e - e0) / (e1 - e0);
+ var e0 = e < size_i - 1 ? Math.floor(e) : e - 1;
+ var n0 = e0 + 1 - e;
+ var n1 = e - e0;
var offset0 = e0 * k;
- var offset1 = offset0 + k; // e1 * k
+ var offset1 = offset0 + k;
for (var j = 0; j < cubeVertices; j++) {
if (j & pos) {
cubeN[j] *= n1;
@@ -3804,99 +3255,72 @@ var PDFFunction = (function PDFFunctionClosure() {
cubeVertex[j] += offset0;
}
}
-
k *= size_i;
pos <<= 1;
}
-
var y = new Float64Array(n);
for (var j = 0; j < n; ++j) {
- // Sum all cube vertices' samples portions
+
var rj = 0;
for (var i = 0; i < cubeVertices; i++)
rj += samples[cubeVertex[i] + j] * cubeN[i];
-
- // r_j' = Interpolate(r_j, 0, 2^BitsPerSample - 1,
- // Decode_2j, Decode_2j+1)
rj = interpolate(rj, 0, 1, decode[j][0], decode[j][1]);
-
- // y_j = min(max(r_j, range_2j), range_2j+1)
y[j] = Math.min(Math.max(rj, range[j][0]), range[j][1]);
}
-
return y;
}
},
-
constructInterpolated: function PDFFunction_constructInterpolated(str,
dict) {
var c0 = dict.get('C0') || [0];
var c1 = dict.get('C1') || [1];
var n = dict.get('N');
-
if (!isArray(c0) || !isArray(c1))
error('Illegal dictionary for interpolated function');
-
var length = c0.length;
var diff = [];
for (var i = 0; i < length; ++i)
diff.push(c1[i] - c0[i]);
-
return [CONSTRUCT_INTERPOLATED, c0, diff, n];
},
-
constructInterpolatedFromIR:
function PDFFunction_constructInterpolatedFromIR(IR) {
var c0 = IR[1];
var diff = IR[2];
var n = IR[3];
-
var length = diff.length;
-
return function constructInterpolatedFromIRResult(args) {
var x = n == 1 ? args[0] : Math.pow(args[0], n);
-
var out = [];
for (var j = 0; j < length; ++j)
out.push(c0[j] + (x * diff[j]));
-
return out;
-
}
},
-
constructStiched: function PDFFunction_constructStiched(fn, dict, xref) {
var domain = dict.get('Domain');
-
if (!domain)
error('No domain');
-
var inputSize = domain.length / 2;
if (inputSize != 1)
error('Bad domain for stiched function');
-
var fnRefs = dict.get('Functions');
var fns = [];
for (var i = 0, ii = fnRefs.length; i < ii; ++i)
fns.push(PDFFunction.getIR(xref, xref.fetchIfRef(fnRefs[i])));
-
var bounds = dict.get('Bounds');
var encode = dict.get('Encode');
-
return [CONSTRUCT_STICHED, domain, bounds, encode, fns];
},
-
constructStichedFromIR: function PDFFunction_constructStichedFromIR(IR) {
var domain = IR[1];
var bounds = IR[2];
var encode = IR[3];
var fnsIR = IR[4];
var fns = [];
-
for (var i = 0, ii = fnsIR.length; i < ii; i++) {
fns.push(PDFFunction.fromIR(fnsIR[i]));
}
-
return function constructStichedFromIRResult(args) {
var clip = function constructStichedFromIRClip(v, min, max) {
if (v > max)
@@ -3905,51 +3329,36 @@ var PDFFunction = (function PDFFunctionClosure() {
v = min;
return v;
};
-
- // clip to domain
var v = clip(args[0], domain[0], domain[1]);
- // calulate which bound the value is in
for (var i = 0, ii = bounds.length; i < ii; ++i) {
if (v < bounds[i])
break;
}
-
- // encode value into domain of function
var dmin = domain[0];
if (i > 0)
dmin = bounds[i - 1];
var dmax = domain[1];
if (i < bounds.length)
dmax = bounds[i];
-
var rmin = encode[2 * i];
var rmax = encode[2 * i + 1];
-
var v2 = rmin + (v - dmin) * (rmax - rmin) / (dmax - dmin);
-
- // call the appropropriate function
return fns[i]([v2]);
};
},
-
constructPostScript: function PDFFunction_constructPostScript(fn, dict,
xref) {
var domain = dict.get('Domain');
var range = dict.get('Range');
-
if (!domain)
error('No domain.');
-
if (!range)
error('No range.');
-
var lexer = new PostScriptLexer(fn);
var parser = new PostScriptParser(lexer);
var code = parser.parse();
-
return [CONSTRUCT_POSTSCRIPT, domain, range, code];
},
-
constructPostScriptFromIR: function PDFFunction_constructPostScriptFromIR(
IR) {
var domain = IR[1];
@@ -3957,19 +3366,15 @@ var PDFFunction = (function PDFFunctionClosure() {
var code = IR[3];
var numOutputs = range.length / 2;
var evaluator = new PostScriptEvaluator(code);
- // Cache the values for a big speed up, the cache size is limited though
- // since the number of possible values can be huge from a PS function.
var cache = new FunctionCache();
return function constructPostScriptFromIRResult(args) {
var initialStack = [];
for (var i = 0, ii = (domain.length / 2); i < ii; ++i) {
initialStack.push(args[i]);
}
-
var key = initialStack.join('_');
if (cache.has(key))
return cache.get(key);
-
var stack = evaluator.execute(initialStack);
var transformed = [];
for (i = numOutputs - 1; i >= 0; --i) {
@@ -3987,10 +3392,7 @@ var PDFFunction = (function PDFFunctionClosure() {
}
};
})();
-
var FunctionCache = (function FunctionCacheClosure() {
- // Of 10 PDF's with type4 functions the maxium number of distinct values seen
- // was 256. This still may need some tweaking in the future though.
var MAX_CACHE_SIZE = 1024;
function FunctionCache() {
this.cache = {};
@@ -4012,13 +3414,11 @@ var FunctionCache = (function FunctionCacheClosure() {
};
return FunctionCache;
})();
-
var PostScriptStack = (function PostScriptStackClosure() {
var MAX_STACK_SIZE = 100;
function PostScriptStack(initialStack) {
this.stack = initialStack || [];
}
-
PostScriptStack.prototype = {
push: function PostScriptStack_push(value) {
if (this.stack.length >= MAX_STACK_SIZE)
@@ -4040,7 +3440,6 @@ var PostScriptStack = (function PostScriptStackClosure() {
index: function PostScriptStack_index(n) {
this.push(this.stack[this.stack.length - n - 1]);
},
- // rotate the last n stack elements p times
roll: function PostScriptStack_roll(n, p) {
var stack = this.stack;
var l = stack.length - n;
@@ -4073,24 +3472,20 @@ var PostScriptEvaluator = (function PostScriptEvaluatorClosure() {
while (counter < length) {
operator = operators[counter++];
if (typeof operator == 'number') {
- // Operator is really an operand and should be pushed to the stack.
stack.push(operator);
continue;
}
switch (operator) {
- // non standard ps operators
- case 'jz': // jump if false
+ case 'jz':
b = stack.pop();
a = stack.pop();
if (!a)
counter = b;
break;
- case 'j': // jump
+ case 'j':
a = stack.pop();
counter = a;
break;
-
- // all ps operators in alphabetical order (excluding if/ifelse)
case 'abs':
a = stack.pop();
stack.push(Math.abs(a));
@@ -4137,7 +3532,6 @@ var PostScriptEvaluator = (function PostScriptEvaluatorClosure() {
stack.push(a);
break;
case 'cvr':
- // noop
break;
case 'div':
b = stack.pop();
@@ -4289,7 +3683,6 @@ var PostScriptEvaluator = (function PostScriptEvaluatorClosure() {
};
return PostScriptEvaluator;
})();
-
var PostScriptParser = (function PostScriptParserClosure() {
function PostScriptParser(lexer) {
this.lexer = lexer;
@@ -4336,15 +3729,11 @@ var PostScriptParser = (function PostScriptParserClosure() {
}
},
parseCondition: function PostScriptParser_parseCondition() {
- // Add two place holders that will be updated later
var conditionLocation = this.operators.length;
this.operators.push(null, null);
-
this.parseBlock();
this.expect(PostScriptTokenTypes.RBRACE);
if (this.accept(PostScriptTokenTypes.IF)) {
- // The true block is right after the 'if' so it just falls through on
- // true else it jumps and skips the true block.
this.operators[conditionLocation] = this.operators.length;
this.operators[conditionLocation + 1] = 'jz';
} else if (this.accept(PostScriptTokenTypes.LBRACE)) {
@@ -4354,11 +3743,8 @@ var PostScriptParser = (function PostScriptParserClosure() {
this.parseBlock();
this.expect(PostScriptTokenTypes.RBRACE);
this.expect(PostScriptTokenTypes.IFELSE);
- // The jump is added at the end of the true block to skip the false
- // block.
this.operators[jumpLocation] = this.operators.length;
this.operators[jumpLocation + 1] = 'j';
-
this.operators[conditionLocation] = endOfTrue;
this.operators[conditionLocation + 1] = 'jz';
} else {
@@ -4368,7 +3754,6 @@ var PostScriptParser = (function PostScriptParserClosure() {
};
return PostScriptParser;
})();
-
var PostScriptTokenTypes = {
LBRACE: 0,
RBRACE: 1,
@@ -4377,23 +3762,18 @@ var PostScriptTokenTypes = {
IF: 4,
IFELSE: 5
};
-
var PostScriptToken = (function PostScriptTokenClosure() {
function PostScriptToken(type, value) {
this.type = type;
this.value = value;
}
-
var opCache = {};
-
PostScriptToken.getOperator = function PostScriptToken_getOperator(op) {
var opValue = opCache[op];
if (opValue)
return opValue;
-
return opCache[op] = new PostScriptToken(PostScriptTokenTypes.OPERATOR, op);
};
-
PostScriptToken.LBRACE = new PostScriptToken(PostScriptTokenTypes.LBRACE,
'{');
PostScriptToken.RBRACE = new PostScriptToken(PostScriptTokenTypes.RBRACE,
@@ -4403,7 +3783,6 @@ var PostScriptToken = (function PostScriptTokenClosure() {
'IFELSE');
return PostScriptToken;
})();
-
var PostScriptLexer = (function PostScriptLexerClosure() {
function PostScriptLexer(stream) {
this.stream = stream;
@@ -4414,12 +3793,9 @@ var PostScriptLexer = (function PostScriptLexerClosure() {
var ch;
var comment = false;
var stream = this.stream;
-
- // skip comments
while (true) {
if (!(ch = stream.getChar()))
return EOF;
-
if (comment) {
if (ch == '\x0a' || ch == '\x0d')
comment = false;
@@ -4440,7 +3816,6 @@ var PostScriptLexer = (function PostScriptLexerClosure() {
case '}':
return PostScriptToken.RBRACE;
}
- // operator
var str = ch.toLowerCase();
while (true) {
ch = stream.lookChar();
@@ -4481,13 +3856,9 @@ var PostScriptLexer = (function PostScriptLexerClosure() {
};
return PostScriptLexer;
})();
-
-
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
'use strict';
-
var ISOAdobeCharset = [
'.notdef', 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar',
'percent', 'ampersand', 'quoteright', 'parenleft', 'parenright',
@@ -4524,7 +3895,6 @@ var ISOAdobeCharset = [
'ograve', 'otilde', 'scaron', 'uacute', 'ucircumflex', 'udieresis',
'ugrave', 'yacute', 'ydieresis', 'zcaron'
];
-
var ExpertCharset = [
'.notdef', 'space', 'exclamsmall', 'Hungarumlautsmall', 'dollaroldstyle',
'dollarsuperior', 'ampersandsmall', 'Acutesmall', 'parenleftsuperior',
@@ -4564,7 +3934,6 @@ var ExpertCharset = [
'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', 'Thornsmall',
'Ydieresissmall'
];
-
var ExpertSubsetCharset = [
'.notdef', 'space', 'dollaroldstyle', 'dollarsuperior',
'parenleftsuperior', 'parenrightsuperior', 'twodotenleader',
@@ -4587,13 +3956,9 @@ var ExpertSubsetCharset = [
'eightinferior', 'nineinferior', 'centinferior', 'dollarinferior',
'periodinferior', 'commainferior'
];
-
-
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
'use strict';
-
var CIDToUnicodeMaps = {
'Adobe-Japan1': [[32, 160], {f: 12, c: 33}, [45, 8209], {f: 46, c: 46}, 165,
{f: 2, c: 93}, [95, 818], [96, 768], {f: 27, c: 97}, 166, 125, [732, 771],
@@ -11521,43 +10886,29 @@ var CIDToUnicodeMaps = {
{f: 39, c: 19576}, {f: 111, c: 19620}, {f: 148, c: 19738},
{f: 7, c: 19887}]
};
-
-
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
'use strict';
-
var ColorSpace = (function ColorSpaceClosure() {
- // Constructor should define this.numComps, this.defaultColor, this.name
function ColorSpace() {
error('should not call ColorSpace constructor');
}
-
ColorSpace.prototype = {
- // Input: array of size numComps representing color component values
- // Output: array of rgb values, each value ranging from [0.1]
getRgb: function ColorSpace_getRgb(color) {
error('Should not call ColorSpace.getRgb: ' + color);
},
- // Input: Uint8Array of component values, each value scaled to [0,255]
- // Output: Uint8Array of rgb values, each value scaled to [0,255]
getRgbBuffer: function ColorSpace_getRgbBuffer(input) {
error('Should not call ColorSpace.getRgbBuffer: ' + input);
}
};
-
ColorSpace.parse = function ColorSpace_parse(cs, xref, res) {
var IR = ColorSpace.parseToIR(cs, xref, res);
if (IR instanceof AlternateCS)
return IR;
-
return ColorSpace.fromIR(IR);
};
-
ColorSpace.fromIR = function ColorSpace_fromIR(IR) {
var name = isArray(IR) ? IR[0] : IR;
-
switch (name) {
case 'DeviceGrayCS':
return new DeviceGrayCS();
@@ -11579,7 +10930,6 @@ var ColorSpace = (function ColorSpaceClosure() {
var numComps = IR[1];
var alt = IR[2];
var tintFnIR = IR[3];
-
return new AlternateCS(numComps, ColorSpace.fromIR(alt),
PDFFunction.fromIR(tintFnIR));
case 'LabCS':
@@ -11592,7 +10942,6 @@ var ColorSpace = (function ColorSpaceClosure() {
}
return null;
};
-
ColorSpace.parseToIR = function ColorSpace_parseToIR(cs, xref, res) {
if (isName(cs)) {
var colorSpaces = res.get('ColorSpace');
@@ -11602,14 +10951,11 @@ var ColorSpace = (function ColorSpaceClosure() {
cs = refcs;
}
}
-
cs = xref.fetchIfRef(cs);
var mode;
-
if (isName(cs)) {
mode = cs.name;
this.mode = mode;
-
switch (mode) {
case 'DeviceGray':
case 'G':
@@ -11628,7 +10974,6 @@ var ColorSpace = (function ColorSpaceClosure() {
} else if (isArray(cs)) {
mode = cs[0].name;
this.mode = mode;
-
switch (mode) {
case 'DeviceGray':
case 'G':
@@ -11687,19 +11032,9 @@ var ColorSpace = (function ColorSpaceClosure() {
}
return null;
};
- /**
- * Checks if a decode map matches the default decode map for a color space.
- * This handles the general decode maps where there are two values per
- * component. e.g. [0, 1, 0, 1, 0, 1] for a RGB color.
- * This does not handle Lab, Indexed, or Pattern decode maps since they are
- * slightly different.
- * @param {Array} decode Decode map (usually from an image).
- * @param {Number} n Number of components the color space has.
- */
ColorSpace.isDefaultDecode = function ColorSpace_isDefaultDecode(decode, n) {
if (!decode)
return true;
-
if (n * 2 !== decode.length) {
warning('The decode map is not the correct length');
return true;
@@ -11710,16 +11045,8 @@ var ColorSpace = (function ColorSpaceClosure() {
}
return true;
};
-
return ColorSpace;
})();
-
-/**
- * Alternate color space handles both Separation and DeviceN color spaces. A
- * Separation color space is actually just a DeviceN with one color component.
- * Both color spaces use a tinting function to convert colors to a base color
- * space.
- */
var AlternateCS = (function AlternateCSClosure() {
function AlternateCS(numComps, base, tintFn) {
this.name = 'Alternate';
@@ -11730,7 +11057,6 @@ var AlternateCS = (function AlternateCSClosure() {
this.base = base;
this.tintFn = tintFn;
}
-
AlternateCS.prototype = {
getRgb: function AlternateCS_getRgb(color) {
var tinted = this.tintFn(color);
@@ -11746,11 +11072,9 @@ var AlternateCS = (function AlternateCSClosure() {
var baseBuf = new Uint8Array(baseNumComps * length);
var numComps = this.numComps;
var scaled = [];
-
for (var i = 0; i < length; i += numComps) {
for (var z = 0; z < numComps; ++z)
scaled[z] = input[i + z] * scale;
-
var tinted = tintFn(scaled);
for (var j = 0; j < baseNumComps; ++j)
baseBuf[pos++] = 255 * tinted[j];
@@ -11761,20 +11085,16 @@ var AlternateCS = (function AlternateCSClosure() {
return ColorSpace.isDefaultDecode(decodeMap, this.numComps);
}
};
-
return AlternateCS;
})();
-
var PatternCS = (function PatternCSClosure() {
function PatternCS(baseCS) {
this.name = 'Pattern';
this.base = baseCS;
}
PatternCS.prototype = {};
-
return PatternCS;
})();
-
var IndexedCS = (function IndexedCSClosure() {
function IndexedCS(base, highVal, lookup) {
this.name = 'Indexed';
@@ -11782,11 +11102,9 @@ var IndexedCS = (function IndexedCSClosure() {
this.defaultColor = [0];
this.base = base;
this.highVal = highVal;
-
var baseNumComps = base.numComps;
var length = baseNumComps * highVal;
var lookupArray = new Uint8Array(length);
-
if (isStream(lookup)) {
var bytes = lookup.getBytes(length);
lookupArray.set(bytes);
@@ -11798,16 +11116,13 @@ var IndexedCS = (function IndexedCSClosure() {
}
this.lookup = lookupArray;
}
-
IndexedCS.prototype = {
getRgb: function IndexedCS_getRgb(color) {
var numComps = this.base.numComps;
var start = color[0] * numComps;
var c = [];
-
for (var i = start, ii = start + numComps; i < ii; ++i)
c.push(this.lookup[i]);
-
return this.base.getRgb(c);
},
getRgbBuffer: function IndexedCS_getRgbBuffer(input) {
@@ -11817,31 +11132,26 @@ var IndexedCS = (function IndexedCSClosure() {
var length = input.length;
var baseBuf = new Uint8Array(length * numComps);
var baseBufPos = 0;
-
for (var i = 0; i < length; ++i) {
var lookupPos = input[i] * numComps;
for (var j = 0; j < numComps; ++j) {
baseBuf[baseBufPos++] = lookup[lookupPos + j];
}
}
-
return base.getRgbBuffer(baseBuf, 8);
},
isDefaultDecode: function IndexedCS_isDefaultDecode(decodeMap) {
- // indexed color maps shouldn't be changed
return true;
}
};
return IndexedCS;
})();
-
var DeviceGrayCS = (function DeviceGrayCSClosure() {
function DeviceGrayCS() {
this.name = 'DeviceGray';
this.numComps = 1;
this.defaultColor = [0];
}
-
DeviceGrayCS.prototype = {
getRgb: function DeviceGrayCS_getRgb(color) {
var c = color[0];
@@ -11865,7 +11175,6 @@ var DeviceGrayCS = (function DeviceGrayCSClosure() {
};
return DeviceGrayCS;
})();
-
var DeviceRgbCS = (function DeviceRgbCSClosure() {
function DeviceRgbCS() {
this.name = 'DeviceRGB';
@@ -11892,7 +11201,6 @@ var DeviceRgbCS = (function DeviceRgbCSClosure() {
};
return DeviceRgbCS;
})();
-
var DeviceCmykCS = (function DeviceCmykCSClosure() {
function DeviceCmykCS() {
this.name = 'DeviceCMYK';
@@ -11902,17 +11210,12 @@ var DeviceCmykCS = (function DeviceCmykCSClosure() {
DeviceCmykCS.prototype = {
getRgb: function DeviceCmykCS_getRgb(color) {
var c = color[0], m = color[1], y = color[2], k = color[3];
-
- // CMYK -> CMY: http://www.easyrgb.com/index.php?X=MATH&H=14#text14
c = (c * (1 - k) + k);
m = (m * (1 - k) + k);
y = (y * (1 - k) + k);
-
- // CMY -> RGB: http://www.easyrgb.com/index.php?X=MATH&H=12#text12
var r = (1 - c);
var g = (1 - m);
var b = (1 - y);
-
return [r, g, b];
},
getRgbBuffer: function DeviceCmykCS_getRgbBuffer(colorBuf, bits) {
@@ -11921,42 +11224,31 @@ var DeviceCmykCS = (function DeviceCmykCSClosure() {
var rgbBuf = new Uint8Array(length * 3);
var rgbBufPos = 0;
var colorBufPos = 0;
-
for (var i = 0; i < length; i++) {
var cmyk = [];
for (var j = 0; j < 4; ++j)
cmyk.push(scale * colorBuf[colorBufPos++]);
-
var rgb = this.getRgb(cmyk);
for (var j = 0; j < 3; ++j)
rgbBuf[rgbBufPos++] = Math.round(rgb[j] * 255);
}
-
return rgbBuf;
},
isDefaultDecode: function DeviceCmykCS_isDefaultDecode(decodeMap) {
return ColorSpace.isDefaultDecode(decodeMap, this.numComps);
}
};
-
return DeviceCmykCS;
})();
-
-//
-// LabCS: Based on "PDF Reference, Sixth Ed", p.250
-//
var LabCS = (function LabCSClosure() {
function LabCS(whitePoint, blackPoint, range) {
this.name = 'Lab';
this.numComps = 3;
this.defaultColor = [0, 0, 0];
-
if (!whitePoint)
error('WhitePoint missing - required for color space Lab');
blackPoint = blackPoint || [0, 0, 0];
range = range || [-100, 100, -100, 100];
-
- // Translate args to spec variables
this.XW = whitePoint[0];
this.YW = whitePoint[1];
this.ZW = whitePoint[2];
@@ -11964,22 +11256,15 @@ var LabCS = (function LabCSClosure() {
this.amax = range[1];
this.bmin = range[2];
this.bmax = range[3];
-
- // These are here just for completeness - the spec doesn't offer any
- // formulas that use BlackPoint in Lab
this.XB = blackPoint[0];
this.YB = blackPoint[1];
this.ZB = blackPoint[2];
-
- // Validate vars as per spec
if (this.XW < 0 || this.ZW < 0 || this.YW !== 1)
error('Invalid WhitePoint components, no fallback available');
-
if (this.XB < 0 || this.YB < 0 || this.ZB < 0) {
info('Invalid BlackPoint, falling back to default');
this.XB = this.YB = this.ZB = 0;
}
-
if (this.amin > this.amax || this.bmin > this.bmax) {
info('Invalid Range, falling back to defaults');
this.amin = -100;
@@ -11988,40 +11273,28 @@ var LabCS = (function LabCSClosure() {
this.bmax = 100;
}
};
-
- // Function g(x) from spec
function g(x) {
if (x >= 6 / 29)
return x * x * x;
else
return (108 / 841) * (x - 4 / 29);
}
-
LabCS.prototype = {
getRgb: function LabCS_getRgb(color) {
- // Ls,as,bs <---> L*,a*,b* in the spec
var Ls = color[0], as = color[1], bs = color[2];
-
- // Adjust limits of 'as' and 'bs'
as = as > this.amax ? this.amax : as;
as = as < this.amin ? this.amin : as;
bs = bs > this.bmax ? this.bmax : bs;
bs = bs < this.bmin ? this.bmin : bs;
-
- // Computes intermediate variables X,Y,Z as per spec
var M = (Ls + 16) / 116;
var L = M + (as / 500);
var N = M - (bs / 200);
var X = this.XW * g(L);
var Y = this.YW * g(M);
var Z = this.ZW * g(N);
-
- // XYZ to RGB 3x3 matrix, from:
- // http://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html#RTFToC18
var XYZtoRGB = [3.240479, -1.537150, -0.498535,
-0.969256, 1.875992, 0.041556,
0.055648, -0.204043, 1.057311];
-
return Util.apply3dTransform(XYZtoRGB, [X, Y, Z]);
},
getRgbBuffer: function LabCS_getRgbBuffer(input, bits) {
@@ -12030,21 +11303,16 @@ var LabCS = (function LabCSClosure() {
var scale = 255 / ((1 << bits) - 1);
var i, length = input.length / 3;
var rgbBuf = new Uint8Array(length);
-
var j = 0;
for (i = 0; i < length; ++i) {
- // Convert L*, a*, s* into RGB
var rgb = this.getRgb([input[i], input[i + 1], input[i + 2]]);
rgbBuf[j++] = rgb[0];
rgbBuf[j++] = rgb[1];
rgbBuf[j++] = rgb[2];
}
-
return rgbBuf;
},
isDefaultDecode: function LabCS_isDefaultDecode(decodeMap) {
- // From Table 90 in Adobe's:
- // "Document management - Portable document format", 1st ed, 2008
if (decodeMap[0] === 0 && decodeMap[1] === 100 &&
decodeMap[2] === this.amin && decodeMap[3] === this.amax &&
decodeMap[4] === this.bmin && decodeMap[5] === this.bmax)
@@ -12055,12 +11323,9 @@ var LabCS = (function LabCSClosure() {
};
return LabCS;
})();
-
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
'use strict';
-
var ARCFourCipher = (function ARCFourCipherClosure() {
function ARCFourCipher(key) {
this.a = 0;
@@ -12077,7 +11342,6 @@ var ARCFourCipher = (function ARCFourCipherClosure() {
}
this.s = s;
}
-
ARCFourCipher.prototype = {
encryptBlock: function ARCFourCipher_encryptBlock(data) {
var i, n = data.length, tmp, tmp2;
@@ -12098,17 +11362,14 @@ var ARCFourCipher = (function ARCFourCipherClosure() {
}
};
ARCFourCipher.prototype.decryptBlock = ARCFourCipher.prototype.encryptBlock;
-
return ARCFourCipher;
})();
-
var calculateMD5 = (function calculateMD5Closure() {
var r = new Uint8Array([
7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,
5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,
4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,
6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21]);
-
var k = new Int32Array([
-680876936, -389564586, 606105819, -1044525330, -176418897, 1200080426,
-1473231341, -45705983, 1770035416, -1958414417, -42063, -1990404162,
@@ -12121,11 +11382,9 @@ var calculateMD5 = (function calculateMD5Closure() {
-198630844, 1126891415, -1416354905, -57434055, 1700485571, -1894986606,
-1051523, -2054922799, 1873313359, -30611744, -1560198380, 1309151649,
-145523070, -1120210379, 718787259, -343485551]);
-
function hash(data, offset, length) {
var h0 = 1732584193, h1 = -271733879, h2 = -1732584194, h3 = 271733878;
- // pre-processing
- var paddedLength = (length + 72) & ~63; // data + 9 extra bytes
+ var paddedLength = (length + 72) & ~63;
var padded = new Uint8Array(paddedLength);
var i, j, n;
for (i = 0; i < length; ++i)
@@ -12142,8 +11401,6 @@ var calculateMD5 = (function calculateMD5Closure() {
padded[i++] = 0;
padded[i++] = 0;
padded[i++] = 0;
- // chunking
- // TODO ArrayBuffer ?
var w = new Int32Array(16);
for (i = 0; i < paddedLength;) {
for (j = 0; j < 16; ++j, i += 4) {
@@ -12185,20 +11442,16 @@ var calculateMD5 = (function calculateMD5Closure() {
}
return hash;
})();
-
var NullCipher = (function NullCipherClosure() {
function NullCipher() {
}
-
NullCipher.prototype = {
decryptBlock: function NullCipher_decryptBlock(data) {
return data;
}
};
-
return NullCipher;
})();
-
var AES128Cipher = (function AES128CipherClosure() {
var rcon = new Uint8Array([
0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c,
@@ -12223,7 +11476,6 @@ var AES128Cipher = (function AES128CipherClosure() {
0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd,
0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a,
0x74, 0xe8, 0xcb, 0x8d]);
-
var s = new Uint8Array([
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b,
0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
@@ -12247,7 +11499,6 @@ var AES128Cipher = (function AES128CipherClosure() {
0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f,
0xb0, 0x54, 0xbb, 0x16]);
-
var inv_s = new Uint8Array([
0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e,
0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87,
@@ -12271,7 +11522,6 @@ var AES128Cipher = (function AES128CipherClosure() {
0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63,
0x55, 0x21, 0x0c, 0x7d]);
-
var mix = new Uint32Array([
0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927,
0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45,
@@ -12316,17 +11566,13 @@ var AES128Cipher = (function AES128CipherClosure() {
0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed,
0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f,
0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]);
-
function expandKey128(cipherKey) {
var b = 176, result = new Uint8Array(b);
result.set(cipherKey);
for (var j = 16, i = 1; j < b; ++i) {
- // RotWord
var t1 = result[j - 3], t2 = result[j - 2],
t3 = result[j - 1], t4 = result[j - 4];
- // SubWord
t1 = s[t1]; t2 = s[t2]; t3 = s[t3]; t4 = s[t4];
- // Rcon
t1 = t1 ^ rcon[i];
for (var n = 0; n < 4; ++n) {
result[j] = (t1 ^= result[j - 16]); j++;
@@ -12337,30 +11583,24 @@ var AES128Cipher = (function AES128CipherClosure() {
}
return result;
}
-
function decrypt128(input, key) {
var state = new Uint8Array(16);
state.set(input);
var i, j, k;
var t, u, v;
- // AddRoundKey
for (j = 0, k = 160; j < 16; ++j, ++k)
state[j] ^= key[k];
for (i = 9; i >= 1; --i) {
- // InvShiftRows
t = state[13]; state[13] = state[9]; state[9] = state[5];
state[5] = state[1]; state[1] = t;
t = state[14]; u = state[10]; state[14] = state[6];
state[10] = state[2]; state[6] = t; state[2] = u;
t = state[15]; u = state[11]; v = state[7]; state[15] = state[3];
state[11] = t; state[7] = u; state[3] = v;
- // InvSubBytes
for (j = 0; j < 16; ++j)
state[j] = inv_s[state[j]];
- // AddRoundKey
for (j = 0, k = i * 16; j < 16; ++j, ++k)
state[j] ^= key[k];
- // InvMixColumns
for (j = 0; j < 16; j += 4) {
var s0 = mix[state[j]], s1 = mix[state[j + 1]],
s2 = mix[state[j + 2]], s3 = mix[state[j + 3]];
@@ -12372,7 +11612,6 @@ var AES128Cipher = (function AES128CipherClosure() {
state[j + 3] = t & 0xFF;
}
}
- // InvShiftRows
t = state[13]; state[13] = state[9]; state[9] = state[5];
state[5] = state[1]; state[1] = t;
t = state[14]; u = state[10]; state[14] = state[6];
@@ -12380,20 +11619,16 @@ var AES128Cipher = (function AES128CipherClosure() {
t = state[15]; u = state[11]; v = state[7]; state[15] = state[3];
state[11] = t; state[7] = u; state[3] = v;
for (j = 0; j < 16; ++j) {
- // InvSubBytes
state[j] = inv_s[state[j]];
- // AddRoundKey
state[j] ^= key[j];
}
return state;
}
-
function AES128Cipher(key) {
this.key = expandKey128(key);
this.buffer = new Uint8Array(16);
this.bufferPosition = 0;
}
-
function decryptBlock2(data) {
var i, j, ii, sourceLength = data.length,
buffer = this.buffer, bufferLength = this.bufferPosition,
@@ -12403,9 +11638,7 @@ var AES128Cipher = (function AES128CipherClosure() {
++bufferLength;
if (bufferLength < 16)
continue;
- // buffer is full, decrypting
var plain = decrypt128(buffer, this.key);
- // xor-ing the IV vector to get plain text
for (j = 0; j < 16; ++j)
plain[j] ^= iv[j];
iv = buffer;
@@ -12413,7 +11646,6 @@ var AES128Cipher = (function AES128CipherClosure() {
buffer = new Uint8Array(16);
bufferLength = 0;
}
- // saving incomplete buffer
this.buffer = buffer;
this.bufferLength = bufferLength;
this.iv = iv;
@@ -12421,37 +11653,30 @@ var AES128Cipher = (function AES128CipherClosure() {
return new Uint8Array([]);
if (result.length == 1)
return result[0];
- // combining plain text blocks into one
var output = new Uint8Array(16 * result.length);
for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16)
output.set(result[i], j);
return output;
}
-
AES128Cipher.prototype = {
decryptBlock: function AES128Cipher_decryptBlock(data) {
var i, sourceLength = data.length;
var buffer = this.buffer, bufferLength = this.bufferPosition;
- // waiting for IV values -- they are at the start of the stream
for (i = 0; bufferLength < 16 && i < sourceLength; ++i, ++bufferLength)
buffer[bufferLength] = data[i];
if (bufferLength < 16) {
- // need more data
this.bufferLength = bufferLength;
return new Uint8Array([]);
}
this.iv = buffer;
this.buffer = new Uint8Array(16);
this.bufferLength = 0;
- // starting decryption
this.decryptBlock = decryptBlock2;
return this.decryptBlock(data.subarray(16));
}
};
-
return AES128Cipher;
})();
-
var CipherTransform = (function CipherTransformClosure() {
function CipherTransform(stringCipherConstructor, streamCipherConstructor) {
this.stringCipherConstructor = stringCipherConstructor;
@@ -12475,14 +11700,12 @@ var CipherTransform = (function CipherTransformClosure() {
};
return CipherTransform;
})();
-
var CipherTransformFactory = (function CipherTransformFactoryClosure() {
var defaultPasswordBytes = new Uint8Array([
0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41,
0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08,
0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80,
0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]);
-
function prepareKeyData(fileId, password, ownerPassword, userPassword,
flags, revision, keyLength, encryptMetadata) {
var hashData = new Uint8Array(100), i = 0, j, n;
@@ -12495,7 +11718,6 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
while (i < 32) {
hashData[i++] = defaultPasswordBytes[j++];
}
- // as now the padded password in the hashData[0..i]
for (j = 0, n = ownerPassword.length; j < n; ++j)
hashData[i++] = ownerPassword[j];
hashData[i++] = flags & 0xFF;
@@ -12519,7 +11741,6 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
}
var encryptionKey = hash.subarray(0, keyLengthInBytes);
var cipher, checkData;
-
if (revision >= 3) {
for (i = 0; i < 32; ++i)
hashData[i] = defaultPasswordBytes[i];
@@ -12565,7 +11786,6 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
hash = calculateMD5(hash, 0, hash.length);
}
}
-
var cipher, userPassword;
if (revision >= 3) {
userPassword = ownerPassword;
@@ -12582,9 +11802,7 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
}
return userPassword;
}
-
var identityName = new Name('Identity');
-
function CipherTransformFactory(dict, fileId, password) {
var filter = dict.get('Filter');
if (!isName(filter) || filter.name != 'Standard')
@@ -12599,39 +11817,32 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
if (!isInt(keyLength) ||
keyLength < 40 || (keyLength % 8) != 0)
error('invalid key length');
- // prepare keys
var ownerPassword = stringToBytes(dict.get('O'));
var userPassword = stringToBytes(dict.get('U'));
var flags = dict.get('P');
var revision = dict.get('R');
- var encryptMetadata = algorithm == 4 && // meaningful when V is 4
- dict.get('EncryptMetadata') !== false; // makes true as default value
+ var encryptMetadata = algorithm == 4 &&
+ dict.get('EncryptMetadata') !== false;
this.encryptMetadata = encryptMetadata;
-
var fileIdBytes = stringToBytes(fileId);
var passwordBytes;
if (password)
passwordBytes = stringToBytes(password);
-
var encryptionKey = prepareKeyData(fileIdBytes, passwordBytes,
ownerPassword, userPassword, flags,
revision, keyLength, encryptMetadata);
if (!encryptionKey && !password) {
throw new PasswordException('No password given', 'needpassword');
} else if (!encryptionKey && password) {
- // Attempting use the password as an owner password
var decodedPassword = decodeUserPassword(passwordBytes, ownerPassword,
revision, keyLength);
encryptionKey = prepareKeyData(fileIdBytes, decodedPassword,
ownerPassword, userPassword, flags,
revision, keyLength, encryptMetadata);
}
-
if (!encryptionKey)
throw new PasswordException('Incorrect Password', 'incorrectpassword');
-
this.encryptionKey = encryptionKey;
-
if (algorithm == 4) {
this.cf = dict.get('CF');
this.stmf = dict.get('StmF') || identityName;
@@ -12639,7 +11850,6 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
this.eff = dict.get('EFF') || this.strf;
}
}
-
function buildObjectKey(num, gen, encryptionKey, isAes) {
var key = new Uint8Array(encryptionKey.length + 9), i, n;
for (i = 0, n = encryptionKey.length; i < n; ++i)
@@ -12658,7 +11868,6 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
var hash = calculateMD5(key, 0, i);
return hash.subarray(0, Math.min(encryptionKey.length + 5, 16));
}
-
function buildCipherConstructor(cf, name, num, gen, key) {
var cryptFilter = cf.get(name.name);
var cfm;
@@ -12683,7 +11892,6 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
}
error('Unknown crypto method');
}
-
CipherTransformFactory.prototype = {
createCipherTransform:
function CipherTransformFactory_createCipherTransform(num, gen) {
@@ -12694,7 +11902,6 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
buildCipherConstructor(this.cf, this.strf,
num, gen, this.encryptionKey));
}
- // algorithms 1 and 2
var key = buildObjectKey(num, gen, this.encryptionKey, false);
var cipherConstructor = function buildCipherCipherConstructor() {
return new ARCFourCipher(key);
@@ -12702,29 +11909,21 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
return new CipherTransform(cipherConstructor, cipherConstructor);
}
};
-
return CipherTransformFactory;
})();
-
-
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
'use strict';
-
var PartialEvaluator = (function PartialEvaluatorClosure() {
function PartialEvaluator(xref, handler, uniquePrefix) {
this.state = new EvalState();
this.stateStack = [];
-
this.xref = xref;
this.handler = handler;
this.uniquePrefix = uniquePrefix;
this.objIdCounter = 0;
}
-
var OP_MAP = {
- // Graphics state
w: 'setLineWidth',
J: 'setLineCap',
j: 'setLineJoin',
@@ -12736,8 +11935,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
q: 'save',
Q: 'restore',
cm: 'transform',
-
- // Path
m: 'moveTo',
l: 'lineTo',
c: 'curveTo',
@@ -12755,12 +11952,8 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
b: 'closeFillStroke',
'b*': 'closeEOFillStroke',
n: 'endPath',
-
- // Clipping
W: 'clip',
'W*': 'eoClip',
-
- // Text
BT: 'beginText',
ET: 'endText',
Tc: 'setCharSpacing',
@@ -12778,12 +11971,8 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
TJ: 'showSpacedText',
"'": 'nextLineShowText',
'"': 'nextLineSetSpacingShowText',
-
- // Type3 fonts
d0: 'setCharWidth',
d1: 'setCharWidthAndBounds',
-
- // Color
CS: 'setStrokeColorSpace',
cs: 'setFillColorSpace',
SC: 'setStrokeColor',
@@ -12796,30 +11985,18 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
rg: 'setFillRGBColor',
K: 'setStrokeCMYKColor',
k: 'setFillCMYKColor',
-
- // Shading
sh: 'shadingFill',
-
- // Images
BI: 'beginInlineImage',
ID: 'beginImageData',
EI: 'endInlineImage',
-
- // XObjects
Do: 'paintXObject',
-
- // Marked content
MP: 'markPoint',
DP: 'markPointProps',
BMC: 'beginMarkedContent',
BDC: 'beginMarkedContentProps',
EMC: 'endMarkedContent',
-
- // Compatibility
BX: 'beginCompat',
EX: 'endCompat',
-
- // (reserved partial commands for the lexer)
BM: null,
BD: null,
'true': null,
@@ -12831,18 +12008,15 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
nul: null,
'null': null
};
-
PartialEvaluator.prototype = {
getOperatorList: function PartialEvaluator_getOperatorList(stream,
resources,
dependency,
queue) {
-
var self = this;
var xref = this.xref;
var handler = this.handler;
var uniquePrefix = this.uniquePrefix || '';
-
function insertDependency(depList) {
fnArray.push('dependency');
argsArray.push(depList);
@@ -12853,38 +12027,27 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
}
}
}
-
function handleSetFont(fontName, font) {
var loadedName = null;
-
var fontRes = resources.get('Font');
-
assert(fontRes, 'fontRes not available');
-
font = xref.fetchIfRef(font) || fontRes.get(fontName);
assertWellFormed(isDict(font));
-
++self.objIdCounter;
if (!font.loadedName) {
font.translated = self.translateFont(font, xref, resources,
dependency);
if (font.translated) {
- // keep track of each font we translated so the caller can
- // load them asynchronously before calling display on a page
loadedName = 'font_' + uniquePrefix + self.objIdCounter;
font.translated.properties.loadedName = loadedName;
font.loadedName = loadedName;
-
var translated = font.translated;
- // Convert the file to an ArrayBuffer which will be turned back into
- // a Stream in the main thread.
if (translated.file)
translated.file = translated.file.getBytes();
if (translated.properties.file) {
translated.properties.file =
translated.properties.file.getBytes();
}
-
handler.send('obj', [
loadedName,
'Font',
@@ -12895,59 +12058,37 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
}
}
loadedName = loadedName || font.loadedName;
-
- // Ensure the font is ready before the font is set
- // and later on used for drawing.
- // OPTIMIZE: This should get insert to the operatorList only once per
- // page.
insertDependency([loadedName]);
return loadedName;
}
-
function buildPaintImageXObject(image, inline) {
var dict = image.dict;
var w = dict.get('Width', 'W');
var h = dict.get('Height', 'H');
-
var imageMask = dict.get('ImageMask', 'IM') || false;
if (imageMask) {
- // This depends on a tmpCanvas beeing filled with the
- // current fillStyle, such that processing the pixel
- // data can't be done here. Instead of creating a
- // complete PDFImage, only read the information needed
- // for later.
-
var width = dict.get('Width', 'W');
var height = dict.get('Height', 'H');
var bitStrideLength = (width + 7) >> 3;
var imgArray = image.getBytes(bitStrideLength * height);
var decode = dict.get('Decode', 'D');
var inverseDecode = !!decode && decode[0] > 0;
-
fn = 'paintImageMaskXObject';
args = [imgArray, inverseDecode, width, height];
return;
}
-
- // If there is no imageMask, create the PDFImage and a lot
- // of image processing can be done here.
var objId = 'img_' + uniquePrefix + (++self.objIdCounter);
insertDependency([objId]);
args = [objId, w, h];
-
var softMask = dict.get('SMask', 'SM') || false;
var mask = dict.get('Mask') || false;
-
if (!softMask && !mask && image instanceof JpegStream &&
image.isNativelySupported(xref, resources)) {
- // These JPEGs don't need any more processing so we can just send it.
fn = 'paintJpegXObject';
handler.send('obj', [objId, 'JpegStream', image.getIR()]);
return;
}
-
fn = 'paintImageXObject';
-
PDFImage.buildImage(function(imageObj) {
var drawWidth = imageObj.drawWidth;
var drawHeight = imageObj.drawHeight;
@@ -12961,20 +12102,16 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
handler.send('obj', [objId, 'Image', imgData]);
}, handler, xref, resources, image, inline);
}
-
if (!queue)
queue = {};
-
if (!queue.argsArray) {
queue.argsArray = [];
}
if (!queue.fnArray) {
queue.fnArray = [];
}
-
var fnArray = queue.fnArray, argsArray = queue.argsArray;
var dependencyArray = dependency || [];
-
resources = resources || new Dict();
var xobjs = resources.get('XObject') || new Dict();
var patterns = resources.get('Pattern') || new Dict();
@@ -12982,38 +12119,26 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
var res = resources;
var args = [], obj;
var TILING_PATTERN = 1, SHADING_PATTERN = 2;
-
while (true) {
obj = parser.getObj();
if (isEOF(obj))
break;
-
if (isCmd(obj)) {
var cmd = obj.cmd;
var fn = OP_MAP[cmd];
assertWellFormed(fn, 'Unknown command "' + cmd + '"');
- // TODO figure out how to type-check vararg functions
-
if ((cmd == 'SCN' || cmd == 'scn') && !args[args.length - 1].code) {
- // compile tiling patterns
var patternName = args[args.length - 1];
- // SCN/scn applies patterns along with normal colors
if (isName(patternName)) {
var pattern = patterns.get(patternName.name);
if (pattern) {
var dict = isStream(pattern) ? pattern.dict : pattern;
var typeNum = dict.get('PatternType');
-
if (typeNum == TILING_PATTERN) {
- // Create an IR of the pattern code.
var depIdx = dependencyArray.length;
var operatorList = this.getOperatorList(pattern,
dict.get('Resources') || resources, dependencyArray);
-
- // Add the dependencies that are required to execute the
- // operatorList.
insertDependency(dependencyArray.slice(depIdx));
-
args = TilingPattern.getIR(operatorList, dict, args);
}
else if (typeNum == SHADING_PATTERN) {
@@ -13028,39 +12153,25 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
}
}
} else if (cmd == 'Do' && !args[0].code) {
- // eagerly compile XForm objects
var name = args[0].name;
var xobj = xobjs.get(name);
if (xobj) {
assertWellFormed(isStream(xobj), 'XObject should be a stream');
-
var type = xobj.dict.get('Subtype');
assertWellFormed(
isName(type),
'XObject should have a Name subtype'
);
-
if ('Form' == type.name) {
var matrix = xobj.dict.get('Matrix');
var bbox = xobj.dict.get('BBox');
-
fnArray.push('paintFormXObjectBegin');
argsArray.push([matrix, bbox]);
-
- // This adds the operatorList of the xObj to the current queue.
var depIdx = dependencyArray.length;
-
- // Pass in the current `queue` object. That means the `fnArray`
- // and the `argsArray` in this scope is reused and new commands
- // are added to them.
this.getOperatorList(xobj,
xobj.dict.get('Resources') || resources,
dependencyArray, queue);
-
- // Add the dependencies that are required to execute the
- // operatorList.
insertDependency(dependencyArray.slice(depIdx));
-
fn = 'paintFormXObjectEnd';
args = [];
} else if ('Image' == type.name) {
@@ -13069,14 +12180,12 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
error('Unhandled XObject subtype ' + type.name);
}
}
- } else if (cmd == 'Tf') { // eagerly collect all fonts
+ } else if (cmd == 'Tf') {
args[0] = handleSetFont(args[0].name);
} else if (cmd == 'EI') {
buildPaintImageXObject(args[0], true);
}
-
switch (fn) {
- // Parse the ColorSpace data to a raw format.
case 'setFillColorSpace':
case 'setStrokeColorSpace':
args = [ColorSpace.parseToIR(args[0], xref, resources)];
@@ -13085,11 +12194,9 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
var shadingRes = res.get('Shading');
if (!shadingRes)
error('No shading resource found');
-
var shading = shadingRes.get(args[0].name);
if (!shading)
error('No shading object found');
-
var shadingFill = Pattern.parseShading(shading, null, xref, res);
var patternIR = shadingFill.getIR();
args = [patternIR];
@@ -13098,15 +12205,10 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
case 'setGState':
var dictName = args[0];
var extGState = resources.get('ExtGState');
-
if (!isDict(extGState) || !extGState.has(dictName.name))
break;
-
var gsState = extGState.get(dictName.name);
-
- // This array holds the converted/processed state data.
var gsStateObj = [];
-
gsState.forEach(
function canvasGraphicsSetGStateForEach(key, value) {
switch (key) {
@@ -13131,17 +12233,13 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
]);
break;
case 'BM':
- // We support the default so don't trigger the TODO.
if (!isName(value) || value.name != 'Normal')
TODO('graphic state operator ' + key);
break;
case 'SMask':
- // We support the default so don't trigger the TODO.
if (!isName(value) || value.name != 'None')
TODO('graphic state operator ' + key);
break;
- // Only generate info log messages for the following since
- // they are unlikey to have a big impact on the rendering.
case 'OP':
case 'op':
case 'OPM':
@@ -13156,7 +12254,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
case 'SA':
case 'AIS':
case 'TK':
- // TODO implement these operators.
info('graphic state operator ' + key);
break;
default:
@@ -13167,8 +12264,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
);
args = [gsStateObj];
break;
- } // switch
-
+ }
fnArray.push(fn);
argsArray.push(args);
args = [];
@@ -13177,22 +12273,14 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
args.push(obj instanceof Dict ? obj.getAll() : obj);
}
}
-
return queue;
},
-
getTextContent: function partialEvaluatorGetIRQueue(stream, resources) {
-
var self = this;
var xref = this.xref;
-
function handleSetFont(fontName, fontRef) {
var fontRes = resources.get('Font');
-
- // TODO: TOASK: Is it possible to get here? If so, what does
- // args[0].name should be like???
assert(fontRes, 'fontRes not available');
-
fontRes = xref.fetchIfRef(fontRes);
fontRef = fontRef || fontRes.get(fontName);
var font = xref.fetchIfRef(fontRef), tra;
@@ -13202,13 +12290,10 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
}
return font;
}
-
resources = xref.fetchIfRef(resources) || new Dict();
-
var parser = new Parser(new Lexer(stream), false);
var res = resources;
var args = [], obj;
-
var text = '';
var chunk = '';
var font = null;
@@ -13225,8 +12310,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
if (typeof items[j] === 'string') {
chunk += items[j];
} else if (items[j] < 0) {
- // making all negative offsets a space - better to have
- // a space in incorrect place than not have them at all
chunk += ' ';
}
}
@@ -13240,33 +12323,27 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
case '"':
chunk += args[2] + ' ';
break;
- } // switch
+ }
if (chunk !== '') {
text += fontCharsToUnicode(chunk, font.translated.properties);
chunk = '';
}
-
args = [];
} else if (obj != null) {
assertWellFormed(args.length <= 33, 'Too many arguments');
args.push(obj);
}
}
-
return text;
},
-
extractDataStructures: function
partialEvaluatorExtractDataStructures(dict, baseDict,
xref, properties) {
- // 9.10.2
var toUnicode = dict.get('ToUnicode') ||
baseDict.get('ToUnicode');
if (toUnicode)
properties.toUnicode = this.readToUnicode(toUnicode, xref, properties);
-
if (properties.composite) {
- // CIDSystemInfo helps to match CID to glyphs
var cidSystemInfo = dict.get('CIDSystemInfo');
if (isDict(cidSystemInfo)) {
properties.cidSystemInfo = {
@@ -13275,12 +12352,10 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
supplement: cidSystemInfo.get('Supplement')
};
}
-
var cidToGidMap = dict.get('CIDToGIDMap');
if (isStream(cidToGidMap))
properties.cidToGidMap = this.readCidToGidMap(cidToGidMap);
}
-
var flags = properties.flags;
var differences = [];
var baseEncoding = !!(flags & FontFlags.Symbolic) ?
@@ -13293,9 +12368,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
if (baseName)
baseEncoding = Encodings[baseName.name];
else
- hasEncoding = false; // base encoding was not provided
-
- // Load the differences between the base and original
+ hasEncoding = false;
if (encoding.has('Differences')) {
var diffEncoding = encoding.get('Differences');
var index = 0;
@@ -13313,12 +12386,10 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
error('Encoding is not a Name nor a Dict');
}
}
-
properties.differences = differences;
properties.baseEncoding = baseEncoding;
properties.hasEncoding = hasEncoding;
},
-
readToUnicode: function PartialEvaluator_readToUnicode(toUnicode, xref,
properties) {
var cmapObj = toUnicode;
@@ -13331,7 +12402,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
var tokens = [];
var token = '';
var beginArrayToken = {};
-
var cmap = cmapObj.getBytes(cmapObj.length);
for (var i = 0, ii = cmap.length; i < ii; i++) {
var octet = cmap[i];
@@ -13341,7 +12411,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
case 'usecmap':
error('usecmap is not implemented');
break;
-
case 'beginbfchar':
case 'beginbfrange':
case 'begincidchar':
@@ -13349,7 +12418,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
token = '';
tokens = [];
break;
-
case 'endcidrange':
case 'endbfrange':
for (var j = 0, jj = tokens.length; j < jj; j += 3) {
@@ -13357,7 +12425,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
var endRange = tokens[j + 1];
var code = tokens[j + 2];
if (code == 0xFFFF) {
- // CMap is broken, assuming code == startRange
code = startRange;
}
if (isArray(code)) {
@@ -13374,7 +12441,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
}
}
break;
-
case 'endcidchar':
case 'endbfchar':
for (var j = 0, jj = tokens.length; j < jj; j += 2) {
@@ -13383,23 +12449,20 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
charToUnicode[index] = code;
}
break;
-
case '':
break;
-
default:
if (token[0] >= '0' && token[0] <= '9')
- token = parseInt(token, 10); // a number
+ token = parseInt(token, 10);
tokens.push(token);
token = '';
}
switch (octet) {
case 0x5B:
- // begin list parsing
+
tokens.push(beginArrayToken);
break;
case 0x5D:
- // collect array items
var items = [], item;
while (tokens.length &&
(item = tokens.pop()) != beginArrayToken)
@@ -13409,17 +12472,12 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
}
} else if (octet == 0x3E) {
if (token.length) {
- // Heuristic: guessing chars size by checking numbers sizes
- // in the CMap entries.
if (token.length == 2 && properties.composite)
properties.wideChars = false;
-
if (token.length <= 4) {
- // parsing hex number
tokens.push(parseInt(token, 16));
token = '';
} else {
- // parsing hex UTF-16BE numbers
var str = [];
for (var k = 0, kk = token.length; k < kk; k += 4) {
var b = parseInt(token.substr(k, 4), 16);
@@ -13445,22 +12503,17 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
return charToUnicode;
},
readCidToGidMap: function PartialEvaluator_readCidToGidMap(cidToGidStream) {
- // Extract the encoding from the CIDToGIDMap
var glyphsData = cidToGidStream.getBytes();
-
- // Set encoding 0 to later verify the font has an encoding
var result = [];
for (var j = 0, jj = glyphsData.length; j < jj; j++) {
var glyphID = (glyphsData[j++] << 8) | glyphsData[j];
if (glyphID == 0)
continue;
-
var code = j >> 1;
result[code] = glyphID;
}
return result;
},
-
extractWidths: function PartialEvaluator_extractWidths(dict,
xref,
descriptor,
@@ -13469,7 +12522,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
var defaultWidth = 0;
if (properties.composite) {
defaultWidth = dict.get('DW') || 1000;
-
var widths = dict.get('W');
if (widths) {
var start = 0, end = 0;
@@ -13498,21 +12550,17 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
glyphsWidths[j++] = widths[i];
defaultWidth = parseFloat(descriptor.get('MissingWidth')) || 0;
} else {
- // Trying get the BaseFont metrics (see comment above).
var baseFontName = dict.get('BaseFont');
if (isName(baseFontName)) {
var metrics = this.getBaseFontMetrics(baseFontName.name);
-
glyphsWidths = metrics.widths;
defaultWidth = metrics.defaultWidth;
}
}
}
-
properties.defaultWidth = defaultWidth;
properties.widths = glyphsWidths;
},
-
getBaseFontMetrics: function PartialEvaluator_getBaseFontMetrics(name) {
var defaultWidth = 0, widths = [];
var glyphWidths = Metrics[stdFontMap[name] || name];
@@ -13521,13 +12569,11 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
} else {
widths = glyphWidths;
}
-
return {
defaultWidth: defaultWidth,
widths: widths
};
},
-
translateFont: function PartialEvaluator_translateFont(dict,
xref,
resources,
@@ -13535,51 +12581,33 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
var baseDict = dict;
var type = dict.get('Subtype');
assertWellFormed(isName(type), 'invalid font Subtype');
-
var composite = false;
if (type.name == 'Type0') {
- // If font is a composite
- // - get the descendant font
- // - set the type according to the descendant font
- // - get the FontDescriptor from the descendant font
var df = dict.get('DescendantFonts');
if (!df)
return null;
-
dict = isArray(df) ? xref.fetchIfRef(df[0]) : df;
-
type = dict.get('Subtype');
assertWellFormed(isName(type), 'invalid font Subtype');
composite = true;
}
var maxCharIndex = composite ? 0xFFFF : 0xFF;
-
var descriptor = dict.get('FontDescriptor');
if (!descriptor) {
if (type.name == 'Type3') {
- // FontDescriptor is only required for Type3 fonts when the document
- // is a tagged pdf. Create a barbebones one to get by.
descriptor = new Dict();
descriptor.set('FontName', new Name(type.name));
} else {
- // Before PDF 1.5 if the font was one of the base 14 fonts, having a
- // FontDescriptor was not required.
- // This case is here for compatibility.
var baseFontName = dict.get('BaseFont');
if (!isName(baseFontName))
return null;
-
- // Using base font name as a font name.
baseFontName = baseFontName.name.replace(/[,_]/g, '-');
var metrics = this.getBaseFontMetrics(baseFontName);
-
- // Simulating descriptor flags attribute
var fontNameWoStyle = baseFontName.split('-')[0];
var flags = (serifFonts[fontNameWoStyle] ||
(fontNameWoStyle.search(/serif/gi) != -1) ? FontFlags.Serif : 0) |
(symbolsFonts[fontNameWoStyle] ? FontFlags.Symbolic :
FontFlags.Nonsymbolic);
-
var properties = {
type: type.name,
widths: metrics.widths,
@@ -13589,7 +12617,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
lastChar: maxCharIndex
};
this.extractDataStructures(dict, dict, xref, properties);
-
return {
name: baseFontName,
dict: baseDict,
@@ -13597,33 +12624,22 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
};
}
}
-
- // According to the spec if 'FontDescriptor' is declared, 'FirstChar',
- // 'LastChar' and 'Widths' should exist too, but some PDF encoders seem
- // to ignore this rule when a variant of a standart font is used.
- // TODO Fill the width array depending on which of the base font this is
- // a variant.
var firstChar = dict.get('FirstChar') || 0;
var lastChar = dict.get('LastChar') || maxCharIndex;
var fontName = descriptor.get('FontName');
- // Some bad pdf's have a string as the font name.
if (isString(fontName))
fontName = new Name(fontName);
assertWellFormed(isName(fontName), 'invalid font name');
-
var fontFile = descriptor.get('FontFile', 'FontFile2', 'FontFile3');
if (fontFile) {
if (fontFile.dict) {
var subtype = fontFile.dict.get('Subtype');
if (subtype)
subtype = subtype.name;
-
var length1 = fontFile.dict.get('Length1');
-
var length2 = fontFile.dict.get('Length2');
}
}
-
var properties = {
type: type.name,
subtype: subtype,
@@ -13647,7 +12663,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
};
this.extractWidths(dict, xref, descriptor, properties);
this.extractDataStructures(dict, baseDict, xref, properties);
-
if (type.name === 'Type3') {
properties.coded = true;
var charProcs = dict.get('CharProcs').getAll();
@@ -13659,7 +12674,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
this.getOperatorList(glyphStream, fontResources, dependency);
}
}
-
return {
name: fontName.name,
dict: baseDict,
@@ -13668,25 +12682,19 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
};
}
};
-
return PartialEvaluator;
})();
-
var EvalState = (function EvalStateClosure() {
function EvalState() {
- // Are soft masks and alpha values shapes or opacities?
this.alphaIsShape = false;
this.fontSize = 0;
this.textMatrix = IDENTITY_MATRIX;
this.leading = 0;
- // Start of text line (in text coordinates)
this.lineX = 0;
this.lineY = 0;
- // Character and word spacing
this.charSpacing = 0;
this.wordSpacing = 0;
this.textHScale = 1;
- // Color spaces
this.fillColorSpace = null;
this.strokeColorSpace = null;
}
@@ -13694,30 +12702,15 @@ var EvalState = (function EvalStateClosure() {
};
return EvalState;
})();
-
-
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
'use strict';
-
-/**
- * Maximum time to wait for a font to be loaded by font-face rules.
- */
var kMaxWaitForFontFace = 1000;
-
-// Unicode Private Use Area
var kCmapGlyphOffset = 0xE000;
var kSizeOfGlyphArea = 0x1900;
var kSymbolicFontGlyphOffset = 0xF000;
-
-// PDF Glyph Space Units are one Thousandth of a TextSpace Unit
-// except for Type 3 fonts
var kPDFGlyphSpaceUnits = 1000;
-
-// Until hinting is fully supported this constant can be used
var kHintingEnabled = false;
-
var FontFlags = {
FixedPitch: 1,
Serif: 2,
@@ -13729,7 +12722,6 @@ var FontFlags = {
SmallCap: 131072,
ForceBold: 262144
};
-
var Encodings = {
ExpertEncoding: ['', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
'', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '',
@@ -13966,11 +12958,6 @@ var Encodings = {
'a183', 'a184', 'a197', 'a185', 'a194', 'a198', 'a186', 'a195', 'a187',
'a188', 'a189', 'a190', 'a191']
};
-
-/**
- * Hold a map of decoded fonts and of the standard fourteen Type1
- * fonts and their acronyms.
- */
var stdFontMap = {
'ArialNarrow': 'Helvetica',
'ArialNarrow-Bold': 'Helvetica-Bold',
@@ -14021,11 +13008,6 @@ var stdFontMap = {
'TimesNewRomanPSMT-BoldItalic': 'Times-BoldItalic',
'TimesNewRomanPSMT-Italic': 'Times-Italic'
};
-
-/**
- * Holds the map of the non-standard fonts that might be included as a standard
- * fonts without glyph data.
- */
var nonStdFontMap = {
'ComicSansMS': 'Comic Sans MS',
'ComicSansMS-Bold': 'Comic Sans MS-Bold',
@@ -14036,7 +13018,6 @@ var nonStdFontMap = {
'LucidaConsole-BoldItalic': 'Courier-BoldOblique',
'LucidaConsole-Italic': 'Courier-Oblique'
};
-
var serifFonts = {
'Adobe Jenson': true, 'Adobe Text': true, 'Albertus': true,
'Aldus': true, 'Alexandria': true, 'Algerian': true,
@@ -14083,27 +13064,20 @@ var serifFonts = {
'Versailles': true, 'Wanted': true, 'Weiss': true,
'Wide Latin': true, 'Windsor': true, 'XITS': true
};
-
var symbolsFonts = {
'Dingbats': true, 'Symbol': true, 'ZapfDingbats': true
};
-
-// Some characters, e.g. copyrightserif, mapped to the private use area and
-// might not be displayed using standard fonts. Mapping/hacking well-known chars
-// to the similar equivalents in the normal characters range.
function mapPrivateUseChars(code) {
switch (code) {
- case 0xF8E9: // copyrightsans
- case 0xF6D9: // copyrightserif
- return 0x00A9; // copyright
+ case 0xF8E9:
+ case 0xF6D9:
+ return 0x00A9;
default:
return code;
}
}
-
var FontLoader = {
listeningForFontLoad: false,
-
bind: function fontLoaderBind(fonts, callback) {
function checkFontsLoaded() {
for (var i = 0, ii = fonts.length; i < ii; i++) {
@@ -14112,36 +13086,26 @@ var FontLoader = {
return false;
}
}
-
document.documentElement.removeEventListener(
'pdfjsFontLoad', checkFontsLoaded, false);
-
callback();
return true;
}
-
var rules = [], names = [], fontsToLoad = [];
var fontCreateTimer = 0;
-
for (var i = 0, ii = fonts.length; i < ii; i++) {
var font = fonts[i];
-
- // Add the font to the DOM only once or skip if the font
- // is already loaded.
if (font.attached || font.loading == false) {
continue;
}
font.attached = true;
-
fontsToLoad.push(font);
-
var str = '';
var data = font.data;
if (data) {
var length = data.length;
for (var j = 0; j < length; j++)
str += String.fromCharCode(data[j]);
-
var rule = font.bindDOM(str);
if (rule) {
rules.push(rule);
@@ -14149,56 +13113,21 @@ var FontLoader = {
}
}
}
-
this.listeningForFontLoad = false;
if (!isWorker && rules.length) {
FontLoader.prepareFontLoadEvent(rules, names, fontsToLoad);
}
-
if (!checkFontsLoaded()) {
document.documentElement.addEventListener(
'pdfjsFontLoad', checkFontsLoaded, false);
}
},
- // Set things up so that at least one pdfjsFontLoad event is
- // dispatched when all the @font-face |rules| for |names| have been
- // loaded in a subdocument. It's expected that the load of |rules|
- // has already started in this (outer) document, so that they should
- // be ordered before the load in the subdocument.
prepareFontLoadEvent: function fontLoaderPrepareFontLoadEvent(rules, names,
fonts) {
- /** Hack begin */
- // There's no event when a font has finished downloading so the
- // following code is a dirty hack to 'guess' when a font is
- // ready. This code will be obsoleted by Mozilla bug 471915.
- //
- // The only reliable way to know if a font is loaded in Gecko
- // (at the moment) is document.onload in a document with
- // a @font-face rule defined in a "static" stylesheet. We use a
- // subdocument in an ');
{% endif %}
{% if filetype == 'Document' %}
- var tid= 0;
var uuid = '';
var obj_id = '';
function create_session() {
@@ -42,9 +41,6 @@
}
});
}
- function abortTimer () {
- clearTimeout(tid);
- }
function check_status () {
$.ajax({
url: '{{ SITE_ROOT }}crocodoc/status/?uuids='+ uuid + '&obj_id=' + obj_id,
@@ -53,26 +49,22 @@
contentType: 'application/json; charset=utf-8',
success: function(data) {
if (data.length > 0) {
- var status = data[0]['status']
+ var status = data[0]['status'];
if (status == 'QUEUED') {
$('#file-view').html('' + '文档转换任务正在排队，请稍后...' + '
');
- tid = setTimeout(check_status, 1000);
+ setTimeout(check_status, 1000);
} else if (status == 'PROCESSING') {
$('#file-view').html('' + '文档正在转换，请稍候...' + '
');
- tid = setTimeout(check_status, 1000);
- } else if (status == 'DONE') {
- $('#file-view').html('' + '文档转换成功。正在打开...' + '
');
- abortTimer();
- create_session();
+ setTimeout(check_status, 1000);
} else {
- abortTimer();
+ $('#file-view').html('' + '文档转换成功。正在打开...' + '
');
+ create_session();
}
}
},
error: function(xhr, ajaxOptions, thrownError) {
var jsonVal = jQuery.parseJSON(xhr.responseText);
$('#file-view').html('' + jsonVal[0]['error'] + '
');
- abortTimer();
return false;
}
});
@@ -87,7 +79,7 @@
uuid = data[0]['uuid'];
obj_id = data[0]['obj_id'];
$('#file-view').html('文档内容读取成功，开始转换...
');
- tid = setTimeout(check_status, 1000);
+ check_status();
}
},
error: function(xhr, ajaxOptions, thrownError) {
@@ -97,6 +89,7 @@
});
{% endif %}
{% if filetype == 'PDF' %}
+ $.ajaxSetup({cache:true});
$.getScript('{{MEDIA_URL}}js/pdf.js', function() {
PDFJS.workerSrc = '{{MEDIA_URL}}js/pdf.js';
$('#file-view').html('').css({'text-align':'center', 'padding':'3px'});
