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Updated ViewerJS. Fixed build.xml

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This commit is contained in:
Christoph Haas 2015-06-13 14:19:02 +02:00
parent 19e503842b
commit 0fab3c8a3a
10 changed files with 833 additions and 340 deletions
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3
build.xml
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@ -186,8 +186,7 @@
<copy todir="${target-folder}/${plugin-folder}">
<fileset dir=".">
<include name="resources/**/*.*"/>
<include name="pdfbox/**/*.*"/>
<include name="pdfjs/**/*.*"/>
<include name="external/**/*.*"/>
<include name="php/**/*.php"/>
<include name="config.php"/>
<!-- exclude the ant script -->

29
external/ViewerJS/compatibility.js vendored
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@ -447,20 +447,10 @@ if (typeof PDFJS === 'undefined') {
// Checks if navigator.language is supported
(function checkNavigatorLanguage() {
if ('language' in navigator &&
/^[a-z]+(-[A-Z]+)?$/.test(navigator.language)) {
if ('language' in navigator) {
return;
}
function formatLocale(locale) {
var split = locale.split(/[-_]/);
split[0] = split[0].toLowerCase();
if (split.length > 1) {
split[1] = split[1].toUpperCase();
}
return split.join('-');
}
var language = navigator.language || navigator.userLanguage || 'en-US';
PDFJS.locale = formatLocale(language);
PDFJS.locale = navigator.userLanguage || 'en-US';
})();
(function checkRangeRequests() {
@ -479,7 +469,10 @@ if (typeof PDFJS === 'undefined') {
var regex = /Android\s[0-2][^\d]/;
var isOldAndroid = regex.test(navigator.userAgent);
if (isSafari || isOldAndroid) {
// Range requests are broken in Chrome 39 and 40, https://crbug.com/442318
var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(navigator.userAgent);
if (isSafari || isOldAndroid || isChromeWithRangeBug) {
PDFJS.disableRange = true;
PDFJS.disableStream = true;
}
@ -572,3 +565,13 @@ if (typeof PDFJS === 'undefined') {
PDFJS.maxCanvasPixels = 5242880;
}
})();
// Disable fullscreen support for certain problematic configurations.
// Support: IE11+ (when embedded).
(function checkFullscreenSupport() {
var isEmbeddedIE = (navigator.userAgent.indexOf('Trident') >= 0 &&
window.parent !== window);
if (isEmbeddedIE) {
PDFJS.disableFullscreen = true;
}
})();

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external/ViewerJS/images/toolbarButton-print.png vendored Normal file
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88
external/ViewerJS/index.html vendored
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391
external/ViewerJS/pdf.js vendored
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@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
(typeof window !== 'undefined' ? window : this).PDFJS = {};
}
PDFJS.version = '1.0.1040';
PDFJS.build = '997096f';
PDFJS.version = '1.1.114';
PDFJS.build = '3fd44fd';
(function pdfjsWrapper() {
// Use strict in our context only - users might not want it
@ -239,17 +239,10 @@ function warn(msg) {
// Fatal errors that should trigger the fallback UI and halt execution by
// throwing an exception.
function error(msg) {
// If multiple arguments were passed, pass them all to the log function.
if (arguments.length > 1) {
var logArguments = ['Error:'];
logArguments.push.apply(logArguments, arguments);
console.log.apply(console, logArguments);
// Join the arguments into a single string for the lines below.
msg = [].join.call(arguments, ' ');
} else {
if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.errors) {
console.log('Error: ' + msg);
console.log(backtrace());
}
console.log(backtrace());
UnsupportedManager.notify(UNSUPPORTED_FEATURES.unknown);
throw new Error(msg);
}
@ -341,6 +334,7 @@ function isValidUrl(url, allowRelative) {
case 'https':
case 'ftp':
case 'mailto':
case 'tel':
return true;
default:
return false;
@ -355,6 +349,7 @@ function shadow(obj, prop, value) {
writable: false });
return value;
}
PDFJS.shadow = shadow;
var PasswordResponses = PDFJS.PasswordResponses = {
NEED_PASSWORD: 1,
@ -470,6 +465,8 @@ var XRefParseException = (function XRefParseExceptionClosure() {
function bytesToString(bytes) {
assert(bytes !== null && typeof bytes === 'object' &&
bytes.length !== undefined, 'Invalid argument for bytesToString');
var length = bytes.length;
var MAX_ARGUMENT_COUNT = 8192;
if (length < MAX_ARGUMENT_COUNT) {
@ -485,6 +482,7 @@ function bytesToString(bytes) {
}
function stringToBytes(str) {
assert(typeof str === 'string', 'Invalid argument for stringToBytes');
var length = str.length;
var bytes = new Uint8Array(length);
for (var i = 0; i < length; ++i) {
@ -1002,10 +1000,6 @@ function isString(v) {
return typeof v === 'string';
}
function isNull(v) {
return v === null;
}
function isName(v) {
return v instanceof Name;
}
@ -1639,7 +1633,7 @@ PDFJS.cMapUrl = (PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl);
*/
PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked;
/*
/**
* By default fonts are converted to OpenType fonts and loaded via font face
* rules. If disabled, the font will be rendered using a built in font renderer
* that constructs the glyphs with primitive path commands.
@ -1694,6 +1688,9 @@ PDFJS.disableStream = (PDFJS.disableStream === undefined ?
* Disable pre-fetching of PDF file data. When range requests are enabled PDF.js
* will automatically keep fetching more data even if it isn't needed to display
* the current page. This default behavior can be disabled.
*
* NOTE: It is also necessary to disable streaming, see above,
* in order for disabling of pre-fetching to work correctly.
* @var {boolean}
*/
PDFJS.disableAutoFetch = (PDFJS.disableAutoFetch === undefined ?
@ -1726,6 +1723,14 @@ PDFJS.disableCreateObjectURL = (PDFJS.disableCreateObjectURL === undefined ?
PDFJS.disableWebGL = (PDFJS.disableWebGL === undefined ?
true : PDFJS.disableWebGL);
/**
* Disables fullscreen support, and by extension Presentation Mode,
* in browsers which support the fullscreen API.
* @var {boolean}
*/
PDFJS.disableFullscreen = (PDFJS.disableFullscreen === undefined ?
false : PDFJS.disableFullscreen);
/**
* Enables CSS only zooming.
* @var {boolean}
@ -1745,19 +1750,30 @@ PDFJS.verbosity = (PDFJS.verbosity === undefined ?
PDFJS.VERBOSITY_LEVELS.warnings : PDFJS.verbosity);
/**
* The maximum supported canvas size in total pixels e.g. width * height.
* The maximum supported canvas size in total pixels e.g. width * height.
* The default value is 4096 * 4096. Use -1 for no limit.
* @var {number}
*/
PDFJS.maxCanvasPixels = (PDFJS.maxCanvasPixels === undefined ?
16777216 : PDFJS.maxCanvasPixels);
/**
* Opens external links in a new window if enabled. The default behavior opens
* external links in the PDF.js window.
* @var {boolean}
*/
PDFJS.openExternalLinksInNewWindow = (
PDFJS.openExternalLinksInNewWindow === undefined ?
false : PDFJS.openExternalLinksInNewWindow);
/**
* Document initialization / loading parameters object.
*
* @typedef {Object} DocumentInitParameters
* @property {string} url - The URL of the PDF.
* @property {TypedArray} data - A typed array with PDF data.
* @property {TypedArray|Array|string} data - Binary PDF data. Use typed arrays
* (Uint8Array) to improve the memory usage. If PDF data is BASE64-encoded,
* use atob() to convert it to a binary string first.
* @property {Object} httpHeaders - Basic authentication headers.
* @property {boolean} withCredentials - Indicates whether or not cross-site
* Access-Control requests should be made using credentials such as cookies
@ -1766,6 +1782,9 @@ PDFJS.maxCanvasPixels = (PDFJS.maxCanvasPixels === undefined ?
* @property {TypedArray} initialData - A typed array with the first portion or
* all of the pdf data. Used by the extension since some data is already
* loaded before the switch to range requests.
* @property {number} length - The PDF file length. It's used for progress
* reports and range requests operations.
* @property {PDFDataRangeTransport} range
*/
/**
@ -1782,68 +1801,226 @@ PDFJS.maxCanvasPixels = (PDFJS.maxCanvasPixels === undefined ?
* is used, which means it must follow the same origin rules that any XHR does
* e.g. No cross domain requests without CORS.
*
* @param {string|TypedArray|DocumentInitParameters} source Can be a url to
* where a PDF is located, a typed array (Uint8Array) already populated with
* data or parameter object.
* @param {string|TypedArray|DocumentInitParameters|PDFDataRangeTransport} src
* Can be a url to where a PDF is located, a typed array (Uint8Array)
* already populated with data or parameter object.
*
* @param {Object} pdfDataRangeTransport is optional. It is used if you want
* to manually serve range requests for data in the PDF. See viewer.js for
* an example of pdfDataRangeTransport's interface.
* @param {PDFDataRangeTransport} pdfDataRangeTransport (deprecated) It is used
* if you want to manually serve range requests for data in the PDF.
*
* @param {function} passwordCallback is optional. It is used to request a
* @param {function} passwordCallback (deprecated) It is used to request a
* password if wrong or no password was provided. The callback receives two
* parameters: function that needs to be called with new password and reason
* (see {PasswordResponses}).
*
* @param {function} progressCallback is optional. It is used to be able to
* @param {function} progressCallback (deprecated) It is used to be able to
* monitor the loading progress of the PDF file (necessary to implement e.g.
* a loading bar). The callback receives an {Object} with the properties:
* {number} loaded and {number} total.
*
* @return {Promise} A promise that is resolved with {@link PDFDocumentProxy}
* object.
* @return {PDFDocumentLoadingTask}
*/
PDFJS.getDocument = function getDocument(source,
PDFJS.getDocument = function getDocument(src,
pdfDataRangeTransport,
passwordCallback,
progressCallback) {
var workerInitializedCapability, workerReadyCapability, transport;
var task = new PDFDocumentLoadingTask();
if (typeof source === 'string') {
source = { url: source };
} else if (isArrayBuffer(source)) {
source = { data: source };
} else if (typeof source !== 'object') {
error('Invalid parameter in getDocument, need either Uint8Array, ' +
'string or a parameter object');
// Support of the obsolete arguments (for compatibility with API v1.0)
if (pdfDataRangeTransport) {
if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) {
// Not a PDFDataRangeTransport instance, trying to add missing properties.
pdfDataRangeTransport = Object.create(pdfDataRangeTransport);
pdfDataRangeTransport.length = src.length;
pdfDataRangeTransport.initialData = src.initialData;
}
src = Object.create(src);
src.range = pdfDataRangeTransport;
}
task.onPassword = passwordCallback || null;
task.onProgress = progressCallback || null;
var workerInitializedCapability, transport;
var source;
if (typeof src === 'string') {
source = { url: src };
} else if (isArrayBuffer(src)) {
source = { data: src };
} else if (src instanceof PDFDataRangeTransport) {
source = { range: src };
} else {
if (typeof src !== 'object') {
error('Invalid parameter in getDocument, need either Uint8Array, ' +
'string or a parameter object');
}
if (!src.url && !src.data && !src.range) {
error('Invalid parameter object: need either .data, .range or .url');
}
source = src;
}
if (!source.url && !source.data) {
error('Invalid parameter array, need either .data or .url');
}
// copy/use all keys as is except 'url' -- full path is required
var params = {};
for (var key in source) {
if (key === 'url' && typeof window !== 'undefined') {
// The full path is required in the 'url' field.
params[key] = combineUrl(window.location.href, source[key]);
continue;
} else if (key === 'range') {
continue;
} else if (key === 'data' && !(source[key] instanceof Uint8Array)) {
// Converting string or array-like data to Uint8Array.
var pdfBytes = source[key];
if (typeof pdfBytes === 'string') {
params[key] = stringToBytes(pdfBytes);
} else if (typeof pdfBytes === 'object' && pdfBytes !== null &&
!isNaN(pdfBytes.length)) {
params[key] = new Uint8Array(pdfBytes);
} else {
error('Invalid PDF binary data: either typed array, string or ' +
'array-like object is expected in the data property.');
}
continue;
}
params[key] = source[key];
}
workerInitializedCapability = createPromiseCapability();
workerReadyCapability = createPromiseCapability();
transport = new WorkerTransport(workerInitializedCapability,
workerReadyCapability, pdfDataRangeTransport,
progressCallback);
transport = new WorkerTransport(workerInitializedCapability, source.range);
workerInitializedCapability.promise.then(function transportInitialized() {
transport.passwordCallback = passwordCallback;
transport.fetchDocument(params);
transport.fetchDocument(task, params);
});
return workerReadyCapability.promise;
return task;
};
/**
* PDF document loading operation.
* @class
*/
var PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() {
/** @constructs PDFDocumentLoadingTask */
function PDFDocumentLoadingTask() {
this._capability = createPromiseCapability();
/**
* Callback to request a password if wrong or no password was provided.
* The callback receives two parameters: function that needs to be called
* with new password and reason (see {PasswordResponses}).
*/
this.onPassword = null;
/**
* Callback to be able to monitor the loading progress of the PDF file
* (necessary to implement e.g. a loading bar). The callback receives
* an {Object} with the properties: {number} loaded and {number} total.
*/
this.onProgress = null;
}
PDFDocumentLoadingTask.prototype =
/** @lends PDFDocumentLoadingTask.prototype */ {
/**
* @return {Promise}
*/
get promise() {
return this._capability.promise;
},
// TODO add cancel or abort method
/**
* Registers callbacks to indicate the document loading completion.
*
* @param {function} onFulfilled The callback for the loading completion.
* @param {function} onRejected The callback for the loading failure.
* @return {Promise} A promise that is resolved after the onFulfilled or
* onRejected callback.
*/
then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {
return this.promise.then.apply(this.promise, arguments);
}
};
return PDFDocumentLoadingTask;
})();
/**
* Abstract class to support range requests file loading.
* @class
*/
var PDFDataRangeTransport = (function pdfDataRangeTransportClosure() {
/**
* @constructs PDFDataRangeTransport
* @param {number} length
* @param {Uint8Array} initialData
*/
function PDFDataRangeTransport(length, initialData) {
this.length = length;
this.initialData = initialData;
this._rangeListeners = [];
this._progressListeners = [];
this._progressiveReadListeners = [];
this._readyCapability = createPromiseCapability();
}
PDFDataRangeTransport.prototype =
/** @lends PDFDataRangeTransport.prototype */ {
addRangeListener:
function PDFDataRangeTransport_addRangeListener(listener) {
this._rangeListeners.push(listener);
},
addProgressListener:
function PDFDataRangeTransport_addProgressListener(listener) {
this._progressListeners.push(listener);
},
addProgressiveReadListener:
function PDFDataRangeTransport_addProgressiveReadListener(listener) {
this._progressiveReadListeners.push(listener);
},
onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) {
var listeners = this._rangeListeners;
for (var i = 0, n = listeners.length; i < n; ++i) {
listeners[i](begin, chunk);
}
},
onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) {
this._readyCapability.promise.then(function () {
var listeners = this._progressListeners;
for (var i = 0, n = listeners.length; i < n; ++i) {
listeners[i](loaded);
}
}.bind(this));
},
onDataProgressiveRead:
function PDFDataRangeTransport_onDataProgress(chunk) {
this._readyCapability.promise.then(function () {
var listeners = this._progressiveReadListeners;
for (var i = 0, n = listeners.length; i < n; ++i) {
listeners[i](chunk);
}
}.bind(this));
},
transportReady: function PDFDataRangeTransport_transportReady() {
this._readyCapability.resolve();
},
requestDataRange:
function PDFDataRangeTransport_requestDataRange(begin, end) {
throw new Error('Abstract method PDFDataRangeTransport.requestDataRange');
}
};
return PDFDataRangeTransport;
})();
PDFJS.PDFDataRangeTransport = PDFDataRangeTransport;
/**
* Proxy to a PDFDocument in the worker thread. Also, contains commonly used
* properties that can be read synchronously.
@ -1959,7 +2136,7 @@ var PDFDocumentProxy = (function PDFDocumentProxyClosure() {
return this.transport.downloadInfoCapability.promise;
},
/**
* @returns {Promise} A promise this is resolved with current stats about
* @return {Promise} A promise this is resolved with current stats about
* document structures (see {@link PDFDocumentStats}).
*/
getStats: function PDFDocumentProxy_getStats() {
@ -2023,12 +2200,12 @@ var PDFDocumentProxy = (function PDFDocumentProxyClosure() {
* (default value is 'display').
* @property {Object} imageLayer - (optional) An object that has beginLayout,
* endLayout and appendImage functions.
* @property {function} continueCallback - (optional) A function that will be
* @property {function} continueCallback - (deprecated) A function that will be
* called each time the rendering is paused. To continue
* rendering call the function that is the first argument
* to the callback.
*/
/**
* PDF page operator list.
*
@ -2156,7 +2333,12 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
intentState.renderTasks = [];
}
intentState.renderTasks.push(internalRenderTask);
var renderTask = new RenderTask(internalRenderTask);
var renderTask = internalRenderTask.task;
// Obsolete parameter support
if (params.continueCallback) {
renderTask.onContinue = params.continueCallback;
}
var self = this;
intentState.displayReadyCapability.promise.then(
@ -2321,19 +2503,16 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
* @ignore
*/
var WorkerTransport = (function WorkerTransportClosure() {
function WorkerTransport(workerInitializedCapability, workerReadyCapability,
pdfDataRangeTransport, progressCallback) {
function WorkerTransport(workerInitializedCapability, pdfDataRangeTransport) {
this.pdfDataRangeTransport = pdfDataRangeTransport;
this.workerInitializedCapability = workerInitializedCapability;
this.workerReadyCapability = workerReadyCapability;
this.progressCallback = progressCallback;
this.commonObjs = new PDFObjects();
this.loadingTask = null;
this.pageCache = [];
this.pagePromises = [];
this.downloadInfoCapability = createPromiseCapability();
this.passwordCallback = null;
// If worker support isn't disabled explicit and the browser has worker
// support, create a new web worker and test if it/the browser fullfills
@ -2482,48 +2661,50 @@ var WorkerTransport = (function WorkerTransportClosure() {
this.numPages = data.pdfInfo.numPages;
var pdfDocument = new PDFDocumentProxy(pdfInfo, this);
this.pdfDocument = pdfDocument;
this.workerReadyCapability.resolve(pdfDocument);
this.loadingTask._capability.resolve(pdfDocument);
}, this);
messageHandler.on('NeedPassword',
function transportNeedPassword(exception) {
if (this.passwordCallback) {
return this.passwordCallback(updatePassword,
PasswordResponses.NEED_PASSWORD);
var loadingTask = this.loadingTask;
if (loadingTask.onPassword) {
return loadingTask.onPassword(updatePassword,
PasswordResponses.NEED_PASSWORD);
}
this.workerReadyCapability.reject(
loadingTask._capability.reject(
new PasswordException(exception.message, exception.code));
}, this);
messageHandler.on('IncorrectPassword',
function transportIncorrectPassword(exception) {
if (this.passwordCallback) {
return this.passwordCallback(updatePassword,
PasswordResponses.INCORRECT_PASSWORD);
var loadingTask = this.loadingTask;
if (loadingTask.onPassword) {
return loadingTask.onPassword(updatePassword,
PasswordResponses.INCORRECT_PASSWORD);
}
this.workerReadyCapability.reject(
loadingTask._capability.reject(
new PasswordException(exception.message, exception.code));
}, this);
messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) {
this.workerReadyCapability.reject(
this.loadingTask._capability.reject(
new InvalidPDFException(exception.message));
}, this);
messageHandler.on('MissingPDF', function transportMissingPDF(exception) {
this.workerReadyCapability.reject(
this.loadingTask._capability.reject(
new MissingPDFException(exception.message));
}, this);
messageHandler.on('UnexpectedResponse',
function transportUnexpectedResponse(exception) {
this.workerReadyCapability.reject(
this.loadingTask._capability.reject(
new UnexpectedResponseException(exception.message, exception.status));
}, this);
messageHandler.on('UnknownError',
function transportUnknownError(exception) {
this.workerReadyCapability.reject(
this.loadingTask._capability.reject(
new UnknownErrorException(exception.message, exception.details));
}, this);
@ -2618,8 +2799,9 @@ var WorkerTransport = (function WorkerTransportClosure() {
}, this);
messageHandler.on('DocProgress', function transportDocProgress(data) {
if (this.progressCallback) {
this.progressCallback({
var loadingTask = this.loadingTask;
if (loadingTask.onProgress) {
loadingTask.onProgress({
loaded: data.loaded,
total: data.total
});
@ -2679,10 +2861,16 @@ var WorkerTransport = (function WorkerTransportClosure() {
});
},
fetchDocument: function WorkerTransport_fetchDocument(source) {
fetchDocument: function WorkerTransport_fetchDocument(loadingTask, source) {
this.loadingTask = loadingTask;
source.disableAutoFetch = PDFJS.disableAutoFetch;
source.disableStream = PDFJS.disableStream;
source.chunkedViewerLoading = !!this.pdfDataRangeTransport;
if (this.pdfDataRangeTransport) {
source.length = this.pdfDataRangeTransport.length;
source.initialData = this.pdfDataRangeTransport.initialData;
}
this.messageHandler.send('GetDocRequest', {
source: source,
disableRange: PDFJS.disableRange,
@ -2893,26 +3081,37 @@ var PDFObjects = (function PDFObjectsClosure() {
*/
var RenderTask = (function RenderTaskClosure() {
function RenderTask(internalRenderTask) {
this.internalRenderTask = internalRenderTask;
this._internalRenderTask = internalRenderTask;
/**
* Promise for rendering task completion.
* @type {Promise}
* Callback for incremental rendering -- a function that will be called
* each time the rendering is paused. To continue rendering call the
* function that is the first argument to the callback.
* @type {function}
*/
this.promise = this.internalRenderTask.capability.promise;
this.onContinue = null;
}
RenderTask.prototype = /** @lends RenderTask.prototype */ {
/**
* Promise for rendering task completion.
* @return {Promise}
*/
get promise() {
return this._internalRenderTask.capability.promise;
},
/**
* Cancels the rendering task. If the task is currently rendering it will
* not be cancelled until graphics pauses with a timeout. The promise that
* this object extends will resolved when cancelled.
*/
cancel: function RenderTask_cancel() {
this.internalRenderTask.cancel();
this._internalRenderTask.cancel();
},
/**
* Registers callback to indicate the rendering task completion.
* Registers callbacks to indicate the rendering task completion.
*
* @param {function} onFulfilled The callback for the rendering completion.
* @param {function} onRejected The callback for the rendering failure.
@ -2920,7 +3119,7 @@ var RenderTask = (function RenderTaskClosure() {
* onRejected callback.
*/
then: function RenderTask_then(onFulfilled, onRejected) {
return this.promise.then(onFulfilled, onRejected);
return this.promise.then.apply(this.promise, arguments);
}
};
@ -2947,6 +3146,7 @@ var InternalRenderTask = (function InternalRenderTaskClosure() {
this.graphicsReady = false;
this.cancelled = false;
this.capability = createPromiseCapability();
this.task = new RenderTask(this);
// caching this-bound methods
this._continueBound = this._continue.bind(this);
this._scheduleNextBound = this._scheduleNext.bind(this);
@ -3009,8 +3209,8 @@ var InternalRenderTask = (function InternalRenderTaskClosure() {
if (this.cancelled) {
return;
}
if (this.params.continueCallback) {
this.params.continueCallback(this._scheduleNextBound);
if (this.task.onContinue) {
this.task.onContinue.call(this.task, this._scheduleNextBound);
} else {
this._scheduleNext();
}
@ -3149,11 +3349,8 @@ function createScratchCanvas(width, height) {
}
function addContextCurrentTransform(ctx) {
// If the context doesn't expose a `mozCurrentTransform`, add a JS based on.
// If the context doesn't expose a `mozCurrentTransform`, add a JS based one.
if (!ctx.mozCurrentTransform) {
// Store the original context
ctx._scaleX = ctx._scaleX || 1.0;
ctx._scaleY = ctx._scaleY || 1.0;
ctx._originalSave = ctx.save;
ctx._originalRestore = ctx.restore;
ctx._originalRotate = ctx.rotate;
@ -3162,7 +3359,7 @@ function addContextCurrentTransform(ctx) {
ctx._originalTransform = ctx.transform;
ctx._originalSetTransform = ctx.setTransform;
ctx._transformMatrix = [ctx._scaleX, 0, 0, ctx._scaleY, 0, 0];
ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];
ctx._transformStack = [];
Object.defineProperty(ctx, 'mozCurrentTransform', {
@ -3538,6 +3735,8 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
this.smaskCounter = 0;
this.tempSMask = null;
if (canvasCtx) {
// NOTE: if mozCurrentTransform is polyfilled, then the current state of
// the transformation must already be set in canvasCtx._transformMatrix.
addContextCurrentTransform(canvasCtx);
}
this.cachedGetSinglePixelWidth = null;
@ -5254,7 +5453,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
})();
var WebGLUtils = (function WebGLUtilsClosure() {
function loadShader(gl, code, shaderType) {
var shader = gl.createShader(shaderType);
@ -6165,7 +6363,8 @@ var FontLoader = {
nativeFontFaces: [],
isFontLoadingAPISupported: !isWorker && !!document.fonts,
isFontLoadingAPISupported: (!isWorker && typeof document !== 'undefined' &&
!!document.fonts),
addNativeFontFace: function fontLoader_addNativeFontFace(nativeFontFace) {
this.nativeFontFaces.push(nativeFontFace);
@ -6634,6 +6833,9 @@ var AnnotationUtils = (function AnnotationUtilsClosure() {
var link = document.createElement('a');
link.href = link.title = item.url || '';
if (item.url && PDFJS.openExternalLinksInNewWindow) {
link.target = '_blank';
}
container.appendChild(link);
@ -6893,7 +7095,7 @@ var SVGExtraState = (function SVGExtraStateClosure() {
this.lineJoin = '';
this.lineCap = '';
this.miterLimit = 0;
this.dashArray = [];
this.dashPhase = 0;
@ -7120,7 +7322,7 @@ var SVGGraphics = (function SVGGraphicsClosure() {
}
return opListToTree(opList);
},
executeOpTree: function SVGGraphics_executeOpTree(opTree) {
var opTreeLen = opTree.length;
for(var x = 0; x < opTreeLen; x++) {
@ -7159,6 +7361,9 @@ var SVGGraphics = (function SVGGraphicsClosure() {
case OPS.setWordSpacing:
this.setWordSpacing(args[0]);
break;
case OPS.setHScale:
this.setHScale(args[0]);
break;
case OPS.setTextMatrix:
this.setTextMatrix(args[0], args[1], args[2],
args[3], args[4], args[5]);

447
external/ViewerJS/pdf.worker.js vendored
View File

@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
(typeof window !== 'undefined' ? window : this).PDFJS = {};
}
PDFJS.version = '1.0.1040';
PDFJS.build = '997096f';
PDFJS.version = '1.1.114';
PDFJS.build = '3fd44fd';
(function pdfjsWrapper() {
// Use strict in our context only - users might not want it
@ -239,17 +239,10 @@ function warn(msg) {
// Fatal errors that should trigger the fallback UI and halt execution by
// throwing an exception.
function error(msg) {
// If multiple arguments were passed, pass them all to the log function.
if (arguments.length > 1) {
var logArguments = ['Error:'];
logArguments.push.apply(logArguments, arguments);
console.log.apply(console, logArguments);
// Join the arguments into a single string for the lines below.
msg = [].join.call(arguments, ' ');
} else {
if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.errors) {
console.log('Error: ' + msg);
console.log(backtrace());
}
console.log(backtrace());
UnsupportedManager.notify(UNSUPPORTED_FEATURES.unknown);
throw new Error(msg);
}
@ -341,6 +334,7 @@ function isValidUrl(url, allowRelative) {
case 'https':
case 'ftp':
case 'mailto':
case 'tel':
return true;
default:
return false;
@ -355,6 +349,7 @@ function shadow(obj, prop, value) {
writable: false });
return value;
}
PDFJS.shadow = shadow;
var PasswordResponses = PDFJS.PasswordResponses = {
NEED_PASSWORD: 1,
@ -470,6 +465,8 @@ var XRefParseException = (function XRefParseExceptionClosure() {
function bytesToString(bytes) {
assert(bytes !== null && typeof bytes === 'object' &&
bytes.length !== undefined, 'Invalid argument for bytesToString');
var length = bytes.length;
var MAX_ARGUMENT_COUNT = 8192;
if (length < MAX_ARGUMENT_COUNT) {
@ -485,6 +482,7 @@ function bytesToString(bytes) {
}
function stringToBytes(str) {
assert(typeof str === 'string', 'Invalid argument for stringToBytes');
var length = str.length;
var bytes = new Uint8Array(length);
for (var i = 0; i < length; ++i) {
@ -1002,10 +1000,6 @@ function isString(v) {
return typeof v === 'string';
}
function isNull(v) {
return v === null;
}
function isName(v) {
return v instanceof Name;
}
@ -1874,7 +1868,6 @@ var NetworkManager = (function NetworkManagerClosure() {
})();
var ChunkedStream = (function ChunkedStreamClosure() {
function ChunkedStream(length, chunkSize, manager) {
this.bytes = new Uint8Array(length);
@ -2026,6 +2019,9 @@ var ChunkedStream = (function ChunkedStreamClosure() {
getUint16: function ChunkedStream_getUint16() {
var b0 = this.getByte();
var b1 = this.getByte();
if (b0 === -1 || b1 === -1) {
return -1;
}
return (b0 << 8) + b1;
},
@ -2415,7 +2411,6 @@ var ChunkedStreamManager = (function ChunkedStreamManagerClosure() {
})();
// The maximum number of bytes fetched per range request
var RANGE_CHUNK_SIZE = 65536;
@ -2621,7 +2616,6 @@ var NetworkPdfManager = (function NetworkPdfManagerClosure() {
})();
var Page = (function PageClosure() {
var LETTER_SIZE_MEDIABOX = [0, 0, 612, 792];
@ -3131,7 +3125,6 @@ var PDFDocument = (function PDFDocumentClosure() {
})();
var Name = (function NameClosure() {
function Name(name) {
this.name = name;
@ -3301,6 +3294,10 @@ var Dict = (function DictClosure() {
return all;
},
getKeys: function Dict_getKeys() {
return Object.keys(this.map);
},
set: function Dict_set(key, value) {
this.map[key] = value;
},
@ -3664,7 +3661,7 @@ var Catalog = (function CatalogClosure() {
var isPrintAction = (isName(objType) && objType.name === 'Action' &&
isName(actionType) && actionType.name === 'Named' &&
isName(action) && action.name === 'Print');
if (isPrintAction) {
javaScript.push('print(true);');
}
@ -3706,6 +3703,7 @@ var Catalog = (function CatalogClosure() {
var nodesToVisit = [this.catDict.getRaw('Pages')];
var currentPageIndex = 0;
var xref = this.xref;
var checkAllKids = false;
function next() {
while (nodesToVisit.length) {
@ -3713,7 +3711,7 @@ var Catalog = (function CatalogClosure() {
if (isRef(currentNode)) {
xref.fetchAsync(currentNode).then(function (obj) {
if ((isDict(obj, 'Page') || (isDict(obj) && !obj.has('Kids')))) {
if (isDict(obj, 'Page') || (isDict(obj) && !obj.has('Kids'))) {
if (pageIndex === currentPageIndex) {
capability.resolve([obj, currentNode]);
} else {
@ -3728,12 +3726,17 @@ var Catalog = (function CatalogClosure() {
return;
}
// must be a child page dictionary
// Must be a child page dictionary.
assert(
isDict(currentNode),
'page dictionary kid reference points to wrong type of object'
);
var count = currentNode.get('Count');
// If the current node doesn't have any children, avoid getting stuck
// in an empty node further down in the tree (see issue5644.pdf).
if (count === 0) {
checkAllKids = true;
}
// Skip nodes where the page can't be.
if (currentPageIndex + count <= pageIndex) {
currentPageIndex += count;
@ -3742,7 +3745,7 @@ var Catalog = (function CatalogClosure() {
var kids = currentNode.get('Kids');
assert(isArray(kids), 'page dictionary kids object is not an array');
if (count === kids.length) {
if (!checkAllKids && count === kids.length) {
// Nodes that don't have the page have been skipped and this is the
// bottom of the tree which means the page requested must be a
// descendant of this pages node. Ideally we would just resolve the
@ -4520,7 +4523,7 @@ var NameTree = (function NameTreeClosure() {
warn('Search depth limit for named destionations has been reached.');
return null;
}
var kids = kidsOrNames.get('Kids');
if (!isArray(kids)) {
return null;
@ -4575,10 +4578,10 @@ var NameTree = (function NameTreeClosure() {
})();
/**
* "A PDF file can refer to the contents of another file by using a File
* "A PDF file can refer to the contents of another file by using a File
* Specification (PDF 1.1)", see the spec (7.11) for more details.
* NOTE: Only embedded files are supported (as part of the attachments support)
* TODO: support the 'URL' file system (with caching if !/V), portable
* TODO: support the 'URL' file system (with caching if !/V), portable
* collections attributes and related files (/RF)
*/
var FileSpec = (function FileSpecClosure() {
@ -4908,7 +4911,6 @@ var ExpertSubsetCharset = [
];
var DEFAULT_ICON_SIZE = 22; // px
var SUPPORTED_TYPES = ['Link', 'Text', 'Widget'];
@ -5374,7 +5376,7 @@ var LinkAnnotation = (function LinkAnnotationClosure() {
data.annotationType = AnnotationType.LINK;
var action = dict.get('A');
if (action) {
if (action && isDict(action)) {
var linkType = action.get('S').name;
if (linkType === 'URI') {
var url = action.get('URI');
@ -6802,10 +6804,10 @@ var ColorSpace = (function ColorSpaceClosure() {
case 'CMYK':
return 'DeviceCmykCS';
case 'CalGray':
params = cs[1].getAll();
params = xref.fetchIfRef(cs[1]).getAll();
return ['CalGrayCS', params];
case 'CalRGB':
params = cs[1].getAll();
params = xref.fetchIfRef(cs[1]).getAll();
return ['CalRGBCS', params];
case 'ICCBased':
var stream = xref.fetchIfRef(cs[1]);
@ -9721,7 +9723,7 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
this.cf = dict.get('CF');
this.stmf = dict.get('StmF') || identityName;
this.strf = dict.get('StrF') || identityName;
this.eff = dict.get('EFF') || this.strf;
this.eff = dict.get('EFF') || this.stmf;
}
}
@ -9796,6 +9798,7 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
return CipherTransformFactory;
})();
var PatternType = {
FUNCTION_BASED: 1,
AXIAL: 2,
@ -11446,7 +11449,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
styles: Object.create(null)
};
var bidiTexts = textContent.items;
var SPACE_FACTOR = 0.35;
var SPACE_FACTOR = 0.3;
var MULTI_SPACE_FACTOR = 1.5;
var self = this;
@ -11885,11 +11888,18 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
var cmap, cmapObj = toUnicode;
if (isName(cmapObj)) {
cmap = CMapFactory.create(cmapObj,
{ url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null).getMap();
return new ToUnicodeMap(cmap);
{ url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null);
if (cmap instanceof IdentityCMap) {
return new IdentityToUnicodeMap(0, 0xFFFF);
}
return new ToUnicodeMap(cmap.getMap());
} else if (isStream(cmapObj)) {
cmap = CMapFactory.create(cmapObj,
{ url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null).getMap();
{ url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null);
if (cmap instanceof IdentityCMap) {
return new IdentityToUnicodeMap(0, 0xFFFF);
}
cmap = cmap.getMap();
// Convert UTF-16BE
// NOTE: cmap can be a sparse array, so use forEach instead of for(;;)
// to iterate over all keys.
@ -12117,6 +12127,21 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
hash.update(encoding.name);
} else if (isRef(encoding)) {
hash.update(encoding.num + '_' + encoding.gen);
} else if (isDict(encoding)) {
var keys = encoding.getKeys();
for (var i = 0, ii = keys.length; i < ii; i++) {
var entry = encoding.getRaw(keys[i]);
if (isName(entry)) {
hash.update(entry.name);
} else if (isRef(entry)) {
hash.update(entry.num + '_' + entry.gen);
} else if (isArray(entry)) { // 'Differences' entry.
// Ideally we should check the contents of the array, but to avoid
// parsing it here and then again in |extractDataStructures|,
// we only use the array length for now (fixes bug1157493.pdf).
hash.update(entry.length.toString());
}
}
}
var toUnicode = dict.get('ToUnicode') || baseDict.get('ToUnicode');
@ -13384,6 +13409,7 @@ var CMap = (function CMapClosure() {
// - bf chars are variable-length byte sequences, stored as strings, with
// one byte per character.
this._map = [];
this.name = '';
this.vertical = false;
this.useCMap = null;
this.builtInCMap = builtInCMap;
@ -13483,13 +13509,28 @@ var CMap = (function CMapClosure() {
}
out.charcode = 0;
out.length = 1;
},
get isIdentityCMap() {
if (!(this.name === 'Identity-H' || this.name === 'Identity-V')) {
return false;
}
if (this._map.length !== 0x10000) {
return false;
}
for (var i = 0; i < 0x10000; i++) {
if (this._map[i] !== i) {
return false;
}
}
return true;
}
};
return CMap;
})();
// A special case of CMap, where the _map array implicitly has a length of
// 65535 and each element is equal to its index.
// 65536 and each element is equal to its index.
var IdentityCMap = (function IdentityCMapClosure() {
function IdentityCMap(vertical, n) {
CMap.call(this);
@ -13544,7 +13585,11 @@ var IdentityCMap = (function IdentityCMapClosure() {
return map;
},
readCharCode: CMap.prototype.readCharCode
readCharCode: CMap.prototype.readCharCode,
get isIdentityCMap() {
error('should not access .isIdentityCMap');
}
};
return IdentityCMap;
@ -14009,6 +14054,13 @@ var CMapFactory = (function CMapFactoryClosure() {
}
}
function parseCMapName(cMap, lexer) {
var obj = lexer.getObj();
if (isName(obj) && isString(obj.name)) {
cMap.name = obj.name;
}
}
function parseCMap(cMap, lexer, builtInCMapParams, useCMap) {
var previous;
var embededUseCMap;
@ -14019,6 +14071,8 @@ var CMapFactory = (function CMapFactoryClosure() {
} else if (isName(obj)) {
if (obj.name === 'WMode') {
parseWMode(cMap, lexer);
} else if (obj.name === 'CMapName') {
parseCMapName(cMap, lexer);
}
previous = obj;
} else if (isCmd(obj)) {
@ -14128,6 +14182,9 @@ var CMapFactory = (function CMapFactoryClosure() {
} catch (e) {
warn('Invalid CMap data. ' + e);
}
if (cMap.isIdentityCMap) {
return createBuiltInCMap(cMap.name, builtInCMapParams);
}
return cMap;
}
error('Encoding required.');
@ -14637,7 +14694,7 @@ var SpecialPUASymbols = {
'63731': 0x23A9, // braceleftbt (0xF8F3)
'63740': 0x23AB, // bracerighttp (0xF8FC)
'63741': 0x23AC, // bracerightmid (0xF8FD)
'63742': 0x23AD, // bracerightmid (0xF8FE)
'63742': 0x23AD, // bracerightbt (0xF8FE)
'63726': 0x23A1, // bracketlefttp (0xF8EE)
'63727': 0x23A2, // bracketleftex (0xF8EF)
'63728': 0x23A3, // bracketleftbt (0xF8F0)
@ -16317,6 +16374,10 @@ var ToUnicodeMap = (function ToUnicodeMapClosure() {
}
},
has: function(i) {
return this._map[i] !== undefined;
},
get: function(i) {
return this._map[i];
},
@ -16337,7 +16398,7 @@ var IdentityToUnicodeMap = (function IdentityToUnicodeMapClosure() {
IdentityToUnicodeMap.prototype = {
get length() {
error('should not access .length');
return (this.lastChar + 1) - this.firstChar;
},
forEach: function (callback) {
@ -16346,6 +16407,10 @@ var IdentityToUnicodeMap = (function IdentityToUnicodeMapClosure() {
}
},
has: function (i) {
return this.firstChar <= i && i <= this.lastChar;
},
get: function (i) {
if (this.firstChar <= i && i <= this.lastChar) {
return String.fromCharCode(i);
@ -16577,7 +16642,7 @@ var Font = (function FontClosure() {
// to be used with the canvas.font.
var fontName = name.replace(/[,_]/g, '-');
var isStandardFont = !!stdFontMap[fontName] ||
(nonStdFontMap[fontName] && !!stdFontMap[nonStdFontMap[fontName]]);
!!(nonStdFontMap[fontName] && stdFontMap[nonStdFontMap[fontName]]);
fontName = stdFontMap[fontName] || nonStdFontMap[fontName] || fontName;
this.bold = (fontName.search(/bold/gi) !== -1);
@ -16678,11 +16743,13 @@ var Font = (function FontClosure() {
if (subtype === 'CIDFontType0C' && type !== 'CIDFontType0') {
type = 'CIDFontType0';
}
// XXX: Temporarily change the type for open type so we trigger a warning.
// This should be removed when we add support for open type.
if (subtype === 'OpenType') {
type = 'OpenType';
}
// Some CIDFontType0C fonts by mistake claim CIDFontType0.
if (type === 'CIDFontType0') {
subtype = isType1File(file) ? 'CIDFontType0' : 'CIDFontType0C';
}
var data;
switch (type) {
@ -16763,6 +16830,52 @@ var Font = (function FontClosure() {
return readUint32(header, 0) === 0x00010000;
}
function isType1File(file) {
var header = file.peekBytes(2);
// All Type1 font programs must begin with the comment '%!' (0x25 + 0x21).
if (header[0] === 0x25 && header[1] === 0x21) {
return true;
}
// ... obviously some fonts violate that part of the specification,
// please refer to the comment in |Type1Font| below.
if (header[0] === 0x80 && header[1] === 0x01) { // pfb file header.
return true;
}
return false;
}
/**
* Helper function for |adjustMapping|.
* @return {boolean}
*/
function isProblematicUnicodeLocation(code) {
if (code <= 0x1F) { // Control chars
return true;
}
if (code >= 0x80 && code <= 0x9F) { // Control chars
return true;
}
if ((code >= 0x2000 && code <= 0x200F) || // General punctuation chars
(code >= 0x2028 && code <= 0x202F) ||
(code >= 0x2060 && code <= 0x206F)) {
return true;
}
if (code >= 0xFFF0 && code <= 0xFFFF) { // Specials Unicode block
return true;
}
switch (code) {
case 0x7F: // Control char
case 0xA0: // Non breaking space
case 0xAD: // Soft hyphen
case 0x0E33: // Thai character SARA AM
case 0x2011: // Non breaking hyphen
case 0x205F: // Medium mathematical space
case 0x25CC: // Dotted circle (combining mark)
return true;
}
return false;
}
/**
* Rebuilds the char code to glyph ID map by trying to replace the char codes
* with their unicode value. It also moves char codes that are in known
@ -16778,7 +16891,6 @@ var Font = (function FontClosure() {
var isSymbolic = !!(properties.flags & FontFlags.Symbolic);
var isIdentityUnicode =
properties.toUnicode instanceof IdentityToUnicodeMap;
var isCidFontType2 = (properties.type === 'CIDFontType2');
var newMap = Object.create(null);
var toFontChar = [];
var usedFontCharCodes = [];
@ -16789,17 +16901,11 @@ var Font = (function FontClosure() {
var fontCharCode = originalCharCode;
// First try to map the value to a unicode position if a non identity map
// was created.
if (!isIdentityUnicode) {
if (toUnicode.get(originalCharCode) !== undefined) {
var unicode = toUnicode.get(fontCharCode);
// TODO: Try to map ligatures to the correct spot.
if (unicode.length === 1) {
fontCharCode = unicode.charCodeAt(0);
}
} else if (isCidFontType2) {
// For CIDFontType2, move characters not present in toUnicode
// to the private use area (fixes bug 1028735 and issue 4881).
fontCharCode = nextAvailableFontCharCode;
if (!isIdentityUnicode && toUnicode.has(originalCharCode)) {
var unicode = toUnicode.get(fontCharCode);
// TODO: Try to map ligatures to the correct spot.
if (unicode.length === 1) {
fontCharCode = unicode.charCodeAt(0);
}
}
// Try to move control characters, special characters and already mapped
@ -16809,13 +16915,7 @@ var Font = (function FontClosure() {
// characters probably aren't in the correct position (fixes an issue
// with firefox and thuluthfont).
if ((usedFontCharCodes[fontCharCode] !== undefined ||
fontCharCode <= 0x1f || // Control chars
fontCharCode === 0x7F || // Control char
fontCharCode === 0xAD || // Soft hyphen
fontCharCode === 0xA0 || // Non breaking space
(fontCharCode >= 0x80 && fontCharCode <= 0x9F) || // Control chars
// Prevent drawing characters in the specials unicode block.
(fontCharCode >= 0xFFF0 && fontCharCode <= 0xFFFF) ||
isProblematicUnicodeLocation(fontCharCode) ||
(isSymbolic && isIdentityUnicode)) &&
nextAvailableFontCharCode <= PRIVATE_USE_OFFSET_END) { // Room left.
// Loop to try and find a free spot in the private use area.
@ -17289,13 +17389,20 @@ var Font = (function FontClosure() {
var offset = font.getInt32() >>> 0;
var useTable = false;
if (platformId === 1 && encodingId === 0) {
if (platformId === 0 && encodingId === 0) {
useTable = true;
// Continue the loop since there still may be a higher priority
// table.
} else if (!isSymbolicFont && platformId === 3 && encodingId === 1) {
} else if (platformId === 1 && encodingId === 0) {
useTable = true;
canBreak = true;
// Continue the loop since there still may be a higher priority
// table.
} else if (platformId === 3 && encodingId === 1 &&
(!isSymbolicFont || !potentialTable)) {
useTable = true;
if (!isSymbolicFont) {
canBreak = true;
}
} else if (isSymbolicFont && platformId === 3 && encodingId === 0) {
useTable = true;
canBreak = true;
@ -17640,6 +17747,7 @@ var Font = (function FontClosure() {
var newGlyfData = new Uint8Array(oldGlyfDataLength);
var startOffset = itemDecode(locaData, 0);
var writeOffset = 0;
var missingGlyphData = {};
itemEncode(locaData, 0, writeOffset);
var i, j;
for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) {
@ -17657,6 +17765,10 @@ var Font = (function FontClosure() {
continue;
}
if (startOffset === endOffset) {
missingGlyphData[i] = true;
}
var newLength = sanitizeGlyph(oldGlyfData, startOffset, endOffset,
newGlyfData, writeOffset, hintsValid);
writeOffset += newLength;
@ -17673,7 +17785,7 @@ var Font = (function FontClosure() {
itemEncode(locaData, j, simpleGlyph.length);
}
glyf.data = simpleGlyph;
return;
return missingGlyphData;
}
if (dupFirstEntry) {
@ -17690,6 +17802,7 @@ var Font = (function FontClosure() {
} else {
glyf.data = newGlyfData.subarray(0, writeOffset);
}
return missingGlyphData;
}
function readPostScriptTable(post, properties, maxpNumGlyphs) {
@ -18080,7 +18193,8 @@ var Font = (function FontClosure() {
var isTrueType = !tables['CFF '];
if (!isTrueType) {
// OpenType font
if (!tables.head || !tables.hhea || !tables.maxp || !tables.post) {
if (header.version === 'OTTO' ||
!tables.head || !tables.hhea || !tables.maxp || !tables.post) {
// no major tables: throwing everything at CFFFont
cffFile = new Stream(tables['CFF '].data);
cff = new CFFFont(cffFile, properties);
@ -18149,11 +18263,13 @@ var Font = (function FontClosure() {
sanitizeHead(tables.head, numGlyphs, isTrueType ? tables.loca.length : 0);
var missingGlyphs = {};
if (isTrueType) {
var isGlyphLocationsLong = int16(tables.head.data[50],
tables.head.data[51]);
sanitizeGlyphLocations(tables.loca, tables.glyf, numGlyphs,
isGlyphLocationsLong, hintsValid, dupFirstEntry);
missingGlyphs = sanitizeGlyphLocations(tables.loca, tables.glyf,
numGlyphs, isGlyphLocationsLong,
hintsValid, dupFirstEntry);
}
if (!tables.hhea) {
@ -18175,19 +18291,33 @@ var Font = (function FontClosure() {
}
}
var charCodeToGlyphId = [], charCode;
var charCodeToGlyphId = [], charCode, toUnicode = properties.toUnicode;
function hasGlyph(glyphId, charCode) {
if (!missingGlyphs[glyphId]) {
return true;
}
if (charCode >= 0 && toUnicode.has(charCode)) {
return true;
}
return false;
}
if (properties.type === 'CIDFontType2') {
var cidToGidMap = properties.cidToGidMap || [];
var cidToGidMapLength = cidToGidMap.length;
var isCidToGidMapEmpty = cidToGidMap.length === 0;
properties.cMap.forEach(function(charCode, cid) {
assert(cid <= 0xffff, 'Max size of CID is 65,535');
var glyphId = -1;
if (cidToGidMapLength === 0) {
if (isCidToGidMapEmpty) {
glyphId = charCode;
} else if (cidToGidMap[cid] !== undefined) {
glyphId = cidToGidMap[cid];
}
if (glyphId >= 0 && glyphId < numGlyphs) {
if (glyphId >= 0 && glyphId < numGlyphs &&
hasGlyph(glyphId, charCode)) {
charCodeToGlyphId[charCode] = glyphId;
}
});
@ -18247,7 +18377,8 @@ var Font = (function FontClosure() {
var found = false;
for (i = 0; i < cmapMappingsLength; ++i) {
if (cmapMappings[i].charCode === unicodeOrCharCode) {
if (cmapMappings[i].charCode === unicodeOrCharCode &&
hasGlyph(cmapMappings[i].glyphId, unicodeOrCharCode)) {
charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;
found = true;
break;
@ -18257,11 +18388,17 @@ var Font = (function FontClosure() {
// Try to map using the post table. There are currently no known
// pdfs that this fixes.
var glyphId = properties.glyphNames.indexOf(glyphName);
if (glyphId > 0) {
if (glyphId > 0 && hasGlyph(glyphId, -1)) {
charCodeToGlyphId[charCode] = glyphId;
}
}
}
} else if (cmapPlatformId === 0 && cmapEncodingId === 0) {
// Default Unicode semantics, use the charcodes as is.
for (i = 0; i < cmapMappingsLength; ++i) {
charCodeToGlyphId[cmapMappings[i].charCode] =
cmapMappings[i].glyphId;
}
} else {
// For (3, 0) cmap tables:
// The charcode key being stored in charCodeToGlyphId is the lower
@ -22026,7 +22163,6 @@ var FontRendererFactory = (function FontRendererFactoryClosure() {
})();
var GlyphsUnicode = {
A: 0x0041,
AE: 0x00C6,
@ -30033,7 +30169,6 @@ var Metrics = {
};
var EOF = {};
function isEOF(v) {
@ -30176,6 +30311,102 @@ var Parser = (function ParserClosure() {
}
return ((stream.pos - 4) - startPos);
},
/**
* Find the EOI (end-of-image) marker 0xFFD9 of the stream.
* @returns {number} The inline stream length.
*/
findDCTDecodeInlineStreamEnd:
function Parser_findDCTDecodeInlineStreamEnd(stream) {
var startPos = stream.pos, foundEOI = false, b, markerLength, length;
while ((b = stream.getByte()) !== -1) {
if (b !== 0xFF) { // Not a valid marker.
continue;
}
switch (stream.getByte()) {
case 0x00: // Byte stuffing.
// 0xFF00 appears to be a very common byte sequence in JPEG images.
break;
case 0xFF: // Fill byte.
// Avoid skipping a valid marker, resetting the stream position.
stream.skip(-1);
break;
case 0xD9: // EOI
foundEOI = true;
break;
case 0xC0: // SOF0
case 0xC1: // SOF1
case 0xC2: // SOF2
case 0xC3: // SOF3
case 0xC5: // SOF5
case 0xC6: // SOF6
case 0xC7: // SOF7
case 0xC9: // SOF9
case 0xCA: // SOF10
case 0xCB: // SOF11
case 0xCD: // SOF13
case 0xCE: // SOF14
case 0xCF: // SOF15
case 0xC4: // DHT
case 0xCC: // DAC
case 0xDA: // SOS
case 0xDB: // DQT
case 0xDC: // DNL
case 0xDD: // DRI
case 0xDE: // DHP
case 0xDF: // EXP
case 0xE0: // APP0
case 0xE1: // APP1
case 0xE2: // APP2
case 0xE3: // APP3
case 0xE4: // APP4
case 0xE5: // APP5
case 0xE6: // APP6
case 0xE7: // APP7
case 0xE8: // APP8
case 0xE9: // APP9
case 0xEA: // APP10
case 0xEB: // APP11
case 0xEC: // APP12
case 0xED: // APP13
case 0xEE: // APP14
case 0xEF: // APP15
case 0xFE: // COM
// The marker should be followed by the length of the segment.
markerLength = stream.getUint16();
if (markerLength > 2) {
// |markerLength| contains the byte length of the marker segment,
// including its own length (2 bytes) and excluding the marker.
stream.skip(markerLength - 2); // Jump to the next marker.
} else {
// The marker length is invalid, resetting the stream position.
stream.skip(-2);
}
break;
}
if (foundEOI) {
break;
}
}
length = stream.pos - startPos;
if (b === -1) {
warn('Inline DCTDecode image stream: ' +
'EOI marker not found, searching for /EI/ instead.');
stream.skip(-length); // Reset the stream position.
return this.findDefaultInlineStreamEnd(stream);
}
this.inlineStreamSkipEI(stream);
return length;
},
/**
* Find the EOD (end-of-data) marker '~>' (i.e. TILDE + GT) of the stream.
* @returns {number} The inline stream length.
@ -30267,7 +30498,9 @@ var Parser = (function ParserClosure() {
// Parse image stream.
var startPos = stream.pos, length, i, ii;
if (filterName === 'ASCII85Decide' || filterName === 'A85') {
if (filterName === 'DCTDecode' || filterName === 'DCT') {
length = this.findDCTDecodeInlineStreamEnd(stream);
} else if (filterName === 'ASCII85Decide' || filterName === 'A85') {
length = this.findASCII85DecodeInlineStreamEnd(stream);
} else if (filterName === 'ASCIIHexDecode' || filterName === 'AHx') {
length = this.findASCIIHexDecodeInlineStreamEnd(stream);
@ -31194,6 +31427,9 @@ var Stream = (function StreamClosure() {
getUint16: function Stream_getUint16() {
var b0 = this.getByte();
var b1 = this.getByte();
if (b0 === -1 || b1 === -1) {
return -1;
}
return (b0 << 8) + b1;
},
getInt32: function Stream_getInt32() {
@ -31321,6 +31557,9 @@ var DecodeStream = (function DecodeStreamClosure() {
getUint16: function DecodeStream_getUint16() {
var b0 = this.getByte();
var b1 = this.getByte();
if (b0 === -1 || b1 === -1) {
return -1;
}
return (b0 << 8) + b1;
},
getInt32: function DecodeStream_getInt32() {
@ -31433,25 +31672,25 @@ var StreamsSequenceStream = (function StreamsSequenceStreamClosure() {
})();
var FlateStream = (function FlateStreamClosure() {
var codeLenCodeMap = new Uint32Array([
var codeLenCodeMap = new Int32Array([
16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15
]);
var lengthDecode = new Uint32Array([
var lengthDecode = new Int32Array([
0x00003, 0x00004, 0x00005, 0x00006, 0x00007, 0x00008, 0x00009, 0x0000a,
0x1000b, 0x1000d, 0x1000f, 0x10011, 0x20013, 0x20017, 0x2001b, 0x2001f,
0x30023, 0x3002b, 0x30033, 0x3003b, 0x40043, 0x40053, 0x40063, 0x40073,
0x50083, 0x500a3, 0x500c3, 0x500e3, 0x00102, 0x00102, 0x00102
]);
var distDecode = new Uint32Array([
var distDecode = new Int32Array([
0x00001, 0x00002, 0x00003, 0x00004, 0x10005, 0x10007, 0x20009, 0x2000d,
0x30011, 0x30019, 0x40021, 0x40031, 0x50041, 0x50061, 0x60081, 0x600c1,
0x70101, 0x70181, 0x80201, 0x80301, 0x90401, 0x90601, 0xa0801, 0xa0c01,
0xb1001, 0xb1801, 0xc2001, 0xc3001, 0xd4001, 0xd6001
]);
var fixedLitCodeTab = [new Uint32Array([
var fixedLitCodeTab = [new Int32Array([
0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c0,
0x70108, 0x80060, 0x80020, 0x900a0, 0x80000, 0x80080, 0x80040, 0x900e0,
0x70104, 0x80058, 0x80018, 0x90090, 0x70114, 0x80078, 0x80038, 0x900d0,
@ -31518,7 +31757,7 @@ var FlateStream = (function FlateStreamClosure() {
0x7010f, 0x8006f, 0x8002f, 0x900bf, 0x8000f, 0x8008f, 0x8004f, 0x900ff
]), 9];
var fixedDistCodeTab = [new Uint32Array([
var fixedDistCodeTab = [new Int32Array([
0x50000, 0x50010, 0x50008, 0x50018, 0x50004, 0x50014, 0x5000c, 0x5001c,
0x50002, 0x50012, 0x5000a, 0x5001a, 0x50006, 0x50016, 0x5000e, 0x00000,
0x50001, 0x50011, 0x50009, 0x50019, 0x50005, 0x50015, 0x5000d, 0x5001d,
@ -31615,7 +31854,7 @@ var FlateStream = (function FlateStreamClosure() {
// build the table
var size = 1 << maxLen;
var codes = new Uint32Array(size);
var codes = new Int32Array(size);
for (var len = 1, code = 0, skip = 2;
len <= maxLen;
++len, code <<= 1, skip <<= 1) {
@ -33185,6 +33424,10 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
var gotEOL = false;
if (this.byteAlign) {
this.inputBits &= ~7;
}
if (!this.eoblock && this.row === this.rows - 1) {
this.eof = true;
} else {
@ -33208,10 +33451,6 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
}
}
if (this.byteAlign && !gotEOL) {
this.inputBits &= ~7;
}
if (!this.eof && this.encoding > 0) {
this.nextLine2D = !this.lookBits(1);
this.eatBits(1);
@ -34087,9 +34326,9 @@ if (typeof window === 'undefined') {
/* This class implements the QM Coder decoding as defined in
* JPEG 2000 Part I Final Committee Draft Version 1.0
* Annex C.3 Arithmetic decoding procedure
* Annex C.3 Arithmetic decoding procedure
* available at http://www.jpeg.org/public/fcd15444-1.pdf
*
*
* The arithmetic decoder is used in conjunction with context models to decode
* JPEG2000 and JBIG2 streams.
*/
@ -34891,9 +35130,9 @@ var JpegImage = (function jpegImage() {
if (fileMarker === 0xFFEE) {
if (appData[0] === 0x41 && appData[1] === 0x64 &&
appData[2] === 0x6F && appData[3] === 0x62 &&
appData[4] === 0x65 && appData[5] === 0) { // 'Adobe\x00'
appData[4] === 0x65) { // 'Adobe'
adobe = {
version: appData[6],
version: (appData[5] << 8) | appData[6],
flags0: (appData[7] << 8) | appData[8],
flags1: (appData[9] << 8) | appData[10],
transformCode: appData[11]
@ -35014,6 +35253,13 @@ var JpegImage = (function jpegImage() {
successiveApproximation >> 4, successiveApproximation & 15);
offset += processed;
break;
case 0xFFFF: // Fill bytes
if (data[offset] !== 0xFF) { // Avoid skipping a valid marker.
offset--;
}
break;
default:
if (data[offset - 3] === 0xFF &&
data[offset - 2] >= 0xC0 && data[offset - 2] <= 0xFE) {
@ -35420,11 +35666,6 @@ var JpxImage = (function JpxImageClosure() {
context.QCC = [];
context.COC = [];
break;
case 0xFF55: // Tile-part lengths, main header (TLM)
var Ltlm = readUint16(data, position); // Marker segment length
// Skip tile length markers
position += Ltlm;
break;
case 0xFF5C: // Quantization default (QCD)
length = readUint16(data, position);
var qcd = {};
@ -35614,6 +35855,9 @@ var JpxImage = (function JpxImageClosure() {
length = tile.dataEnd - position;
parseTilePackets(context, data, position, length);
break;
case 0xFF55: // Tile-part lengths, main header (TLM)
case 0xFF57: // Packet length, main header (PLM)
case 0xFF58: // Packet length, tile-part header (PLT)
case 0xFF64: // Comment (COM)
length = readUint16(data, position);
// skipping content
@ -35954,7 +36198,7 @@ var JpxImage = (function JpxImageClosure() {
r = 0;
c = 0;
p = 0;
this.nextPacket = function JpxImage_nextPacket() {
// Section B.12.1.3 Resolution-position-component-layer
for (; r <= maxDecompositionLevelsCount; r++) {
@ -36038,7 +36282,7 @@ var JpxImage = (function JpxImageClosure() {
var componentsCount = siz.Csiz;
var precinctsSizes = getPrecinctSizesInImageScale(tile);
var l = 0, r = 0, c = 0, px = 0, py = 0;
this.nextPacket = function JpxImage_nextPacket() {
// Section B.12.1.5 Component-position-resolution-layer
for (; c < componentsCount; ++c) {
@ -37450,7 +37694,6 @@ var JpxImage = (function JpxImageClosure() {
})();
var Jbig2Image = (function Jbig2ImageClosure() {
// Utility data structures
function ContextCache() {}
@ -37611,10 +37854,9 @@ var Jbig2Image = (function Jbig2ImageClosure() {
// At each pixel: Clear contextLabel pixels that are shifted
// out of the context, then add new ones.
// If j + n is out of range at the right image border, then
// the undefined value of bitmap[i - 2][j + n] is shifted to 0
contextLabel = ((contextLabel & OLD_PIXEL_MASK) << 1) |
(row2[j + 3] << 11) | (row1[j + 4] << 4) | pixel;
(j + 3 < width ? row2[j + 3] << 11 : 0) |
(j + 4 < width ? row1[j + 4] << 4 : 0) | pixel;
}
}
@ -38928,7 +39170,6 @@ var bidi = PDFJS.bidi = (function bidiClosure() {
return bidi;
})();
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */

2
external/ViewerJS/pdfjsversion.js vendored
View File

@ -1 +1 @@
var /**@const{!string}*/pdfjs_version = "v1.0.1040";
var /**@const{!string}*/pdfjs_version = "v1.1.114";

90
external/ViewerJS/text_layer_builder.js vendored
View File

@ -13,14 +13,11 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals CustomStyle, scrollIntoView, PDFJS */
/* globals CustomStyle, PDFJS */
'use strict';
var FIND_SCROLL_OFFSET_TOP = -50;
var FIND_SCROLL_OFFSET_LEFT = -400;
var MAX_TEXT_DIVS_TO_RENDER = 100000;
var RENDER_DELAY = 200; // ms
var NonWhitespaceRegexp = /\S/;
@ -33,9 +30,6 @@ function isAllWhitespace(str) {
* @property {HTMLDivElement} textLayerDiv - The text layer container.
* @property {number} pageIndex - The page index.
* @property {PageViewport} viewport - The viewport of the text layer.
* @property {ILastScrollSource} lastScrollSource - The object that records when
* last time scroll happened.
* @property {boolean} isViewerInPresentationMode
* @property {PDFFindController} findController
*/
@ -49,18 +43,27 @@ function isAllWhitespace(str) {
var TextLayerBuilder = (function TextLayerBuilderClosure() {
function TextLayerBuilder(options) {
this.textLayerDiv = options.textLayerDiv;
this.layoutDone = false;
this.renderingDone = false;
this.divContentDone = false;
this.pageIdx = options.pageIndex;
this.pageNumber = this.pageIdx + 1;
this.matches = [];
this.lastScrollSource = options.lastScrollSource || null;
this.viewport = options.viewport;
this.isViewerInPresentationMode = options.isViewerInPresentationMode;
this.textDivs = [];
this.findController = options.findController || null;
}
TextLayerBuilder.prototype = {
_finishRendering: function TextLayerBuilder_finishRendering() {
this.renderingDone = true;
var event = document.createEvent('CustomEvent');
event.initCustomEvent('textlayerrendered', true, true, {
pageNumber: this.pageNumber
});
this.textLayerDiv.dispatchEvent(event);
},
renderLayer: function TextLayerBuilder_renderLayer() {
var textLayerFrag = document.createDocumentFragment();
var textDivs = this.textDivs;
@ -71,6 +74,7 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
// No point in rendering many divs as it would make the browser
// unusable even after the divs are rendered.
if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
this._finishRendering();
return;
}
@ -114,27 +118,33 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
}
this.textLayerDiv.appendChild(textLayerFrag);
this.renderingDone = true;
this._finishRendering();
this.updateMatches();
},
setupRenderLayoutTimer:
function TextLayerBuilder_setupRenderLayoutTimer() {
// Schedule renderLayout() if the user has been scrolling,
// otherwise run it right away.
var self = this;
var lastScroll = (this.lastScrollSource === null ?
0 : this.lastScrollSource.lastScroll);
/**
* Renders the text layer.
* @param {number} timeout (optional) if specified, the rendering waits
* for specified amount of ms.
*/
render: function TextLayerBuilder_render(timeout) {
if (!this.divContentDone || this.renderingDone) {
return;
}
if (Date.now() - lastScroll > RENDER_DELAY) { // Render right away
if (this.renderTimer) {
clearTimeout(this.renderTimer);
this.renderTimer = null;
}
if (!timeout) { // Render right away
this.renderLayer();
} else { // Schedule
if (this.renderTimer) {
clearTimeout(this.renderTimer);
}
var self = this;
this.renderTimer = setTimeout(function() {
self.setupRenderLayoutTimer();
}, RENDER_DELAY);
self.renderLayer();
self.renderTimer = null;
}, timeout);
}
},
@ -204,7 +214,6 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
this.appendText(textItems[i], textContent.styles);
}
this.divContentDone = true;
this.setupRenderLayoutTimer();
},
convertMatches: function TextLayerBuilder_convertMatches(matches) {
@ -266,8 +275,9 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
var bidiTexts = this.textContent.items;
var textDivs = this.textDivs;
var prevEnd = null;
var pageIdx = this.pageIdx;
var isSelectedPage = (this.findController === null ?
false : (this.pageIdx === this.findController.selected.pageIdx));
false : (pageIdx === this.findController.selected.pageIdx));
var selectedMatchIdx = (this.findController === null ?
-1 : this.findController.selected.matchIdx);
var highlightAll = (this.findController === null ?
@ -313,10 +323,9 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
var isSelected = (isSelectedPage && i === selectedMatchIdx);
var highlightSuffix = (isSelected ? ' selected' : '');
if (isSelected && !this.isViewerInPresentationMode) {
scrollIntoView(textDivs[begin.divIdx],
{ top: FIND_SCROLL_OFFSET_TOP,
left: FIND_SCROLL_OFFSET_LEFT });
if (this.findController) {
this.findController.updateMatchPosition(pageIdx, i, textDivs,
begin.divIdx, end.divIdx);
}
// Match inside new div.
@ -387,3 +396,24 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
};
return TextLayerBuilder;
})();
/**
* @constructor
* @implements IPDFTextLayerFactory
*/
function DefaultTextLayerFactory() {}
DefaultTextLayerFactory.prototype = {
/**
* @param {HTMLDivElement} textLayerDiv
* @param {number} pageIndex
* @param {PageViewport} viewport
* @returns {TextLayerBuilder}
*/
createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport) {
return new TextLayerBuilder({
textLayerDiv: textLayerDiv,
pageIndex: pageIndex,
viewport: viewport
});
}
};

99
external/ViewerJS/ui_utils.js vendored
View File

@ -22,7 +22,6 @@ var UNKNOWN_SCALE = 0;
var MAX_AUTO_SCALE = 1.25;
var SCROLLBAR_PADDING = 40;
var VERTICAL_PADDING = 5;
var DEFAULT_CACHE_SIZE = 10;
// optimised CSS custom property getter/setter
var CustomStyle = (function CustomStyleClosure() {
@ -161,13 +160,10 @@ function watchScroll(viewAreaElement, callback) {
var currentY = viewAreaElement.scrollTop;
var lastY = state.lastY;
if (currentY > lastY) {
state.down = true;
} else if (currentY < lastY) {
state.down = false;
if (currentY !== lastY) {
state.down = currentY > lastY;
}
state.lastY = currentY;
// else do nothing and use previous value
callback(state);
});
};
@ -183,6 +179,38 @@ function watchScroll(viewAreaElement, callback) {
return state;
}
/**
* Use binary search to find the index of the first item in a given array which
* passes a given condition. The items are expected to be sorted in the sense
* that if the condition is true for one item in the array, then it is also true
* for all following items.
*
* @returns {Number} Index of the first array element to pass the test,
* or |items.length| if no such element exists.
*/
function binarySearchFirstItem(items, condition) {
var minIndex = 0;
var maxIndex = items.length - 1;
if (items.length === 0 || !condition(items[maxIndex])) {
return items.length;
}
if (condition(items[minIndex])) {
return minIndex;
}
while (minIndex < maxIndex) {
var currentIndex = (minIndex + maxIndex) >> 1;
var currentItem = items[currentIndex];
if (condition(currentItem)) {
maxIndex = currentIndex;
} else {
minIndex = currentIndex + 1;
}
}
return minIndex; /* === maxIndex */
}
/**
* Generic helper to find out what elements are visible within a scroll pane.
*/
@ -190,30 +218,45 @@ function getVisibleElements(scrollEl, views, sortByVisibility) {
var top = scrollEl.scrollTop, bottom = top + scrollEl.clientHeight;
var left = scrollEl.scrollLeft, right = left + scrollEl.clientWidth;
var visible = [], view;
function isElementBottomBelowViewTop(view) {
var element = view.div;
var elementBottom =
element.offsetTop + element.clientTop + element.clientHeight;
return elementBottom > top;
}
var visible = [], view, element;
var currentHeight, viewHeight, hiddenHeight, percentHeight;
var currentWidth, viewWidth;
for (var i = 0, ii = views.length; i < ii; ++i) {
var firstVisibleElementInd = (views.length === 0) ? 0 :
binarySearchFirstItem(views, isElementBottomBelowViewTop);
for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) {
view = views[i];
currentHeight = view.el.offsetTop + view.el.clientTop;
viewHeight = view.el.clientHeight;
if ((currentHeight + viewHeight) < top) {
continue;
}
element = view.div;
currentHeight = element.offsetTop + element.clientTop;
viewHeight = element.clientHeight;
if (currentHeight > bottom) {
break;
}
currentWidth = view.el.offsetLeft + view.el.clientLeft;
viewWidth = view.el.clientWidth;
if ((currentWidth + viewWidth) < left || currentWidth > right) {
currentWidth = element.offsetLeft + element.clientLeft;
viewWidth = element.clientWidth;
if (currentWidth + viewWidth < left || currentWidth > right) {
continue;
}
hiddenHeight = Math.max(0, top - currentHeight) +
Math.max(0, currentHeight + viewHeight - bottom);
percentHeight = ((viewHeight - hiddenHeight) * 100 / viewHeight) | 0;
visible.push({ id: view.id, x: currentWidth, y: currentHeight,
view: view, percent: percentHeight });
visible.push({
id: view.id,
x: currentWidth,
y: currentHeight,
view: view,
percent: percentHeight
});
}
var first = visible[0];
@ -349,23 +392,3 @@ var ProgressBar = (function ProgressBarClosure() {
return ProgressBar;
})();
var Cache = function cacheCache(size) {
var data = [];
this.push = function cachePush(view) {
var i = data.indexOf(view);
if (i >= 0) {
data.splice(i, 1);
}
data.push(view);
if (data.length > size) {
data.shift().destroy();
}
};
this.resize = function (newSize) {
size = newSize;
while (data.length > size) {
data.shift().destroy();
}
};
};

24
external/ViewerJS/webodf.js vendored
View File

@ -5,36 +5,20 @@
Copyright (C) 2010-2015 KO GmbH <copyright@kogmbh.com>
@licstart
The code in this file is free software: you can redistribute it and/or modify it
This file is the compiled version of the WebODF library.
WebODF is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License (GNU AGPL)
as published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
The code in this file is distributed in the hope that it will be useful, but
WebODF is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with WebODF. If not, see <http://www.gnu.org/licenses/>.
As additional permission under GNU AGPL version 3 section 7, you
may distribute UNMODIFIED VERSIONS OF THIS file without the copy of the GNU AGPL normally
required by section 4, provided you include this license notice and a URL
through which recipients can access the Corresponding Source.
As a special exception to the AGPL, any HTML file which merely makes function
calls to this code, and for that purpose includes it in unmodified form by reference or in-line shall be
deemed a separate work for copyright law purposes. In addition, the copyright
holders of this code give you permission to combine this code with free
software libraries that are released under the GNU LGPL. You may copy and
distribute such a system following the terms of the GNU AGPL for this code
and the LGPL for the libraries. If you modify this code, you may extend this
exception to your version of the code, but you are not obligated to do so.
If you do not wish to do so, delete this exception statement from your
version.
This license applies to this entire compilation.
@licend
@source: http://www.webodf.org/