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<h1 class="page-title">Source: display/global.js</h1>
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<pre class="prettyprint source linenums"><code>/* Copyright 2015 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
_UnsupportedManager, getDocument, LoopbackPort, PDFDataRangeTransport,
PDFWorker
} from './api';
import {
addLinkAttributes, CustomStyle, DEFAULT_LINK_REL, getFilenameFromUrl,
isExternalLinkTargetSet, isValidUrl, LinkTarget
} from './dom_utils';
import {
createBlob, createObjectURL, createPromiseCapability, deprecated,
getVerbosityLevel, globalScope, InvalidPDFException, isLittleEndian,
MissingPDFException, OPS, PageViewport, PasswordException, PasswordResponses,
removeNullCharacters, setVerbosityLevel, shadow, UnexpectedResponseException,
UnknownErrorException, UNSUPPORTED_FEATURES, Util, VERBOSITY_LEVELS, warn
} from '../shared/util';
import { AnnotationLayer } from './annotation_layer';
import { Metadata } from './metadata';
import { renderTextLayer } from './text_layer';
import { SVGGraphics } from './svg';
var isWorker = (typeof window === 'undefined');
// The global PDFJS object is now deprecated and will not be supported in
// the future. The members below are maintained for backward compatibility
// and shall not be extended or modified. If the global.js is included as
// a module, we will create a global PDFJS object instance or use existing.
if (!globalScope.PDFJS) {
globalScope.PDFJS = {};
}
var PDFJS = globalScope.PDFJS;
if (typeof PDFJSDev !== 'undefined') {
PDFJS.version = PDFJSDev.eval('BUNDLE_VERSION');
PDFJS.build = PDFJSDev.eval('BUNDLE_BUILD');
}
PDFJS.pdfBug = false;
if (PDFJS.verbosity !== undefined) {
setVerbosityLevel(PDFJS.verbosity);
}
delete PDFJS.verbosity;
Object.defineProperty(PDFJS, 'verbosity', {
get() {
return getVerbosityLevel();
},
set(level) {
setVerbosityLevel(level);
},
enumerable: true,
configurable: true,
});
PDFJS.VERBOSITY_LEVELS = VERBOSITY_LEVELS;
PDFJS.OPS = OPS;
PDFJS.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
PDFJS.isValidUrl = isValidUrl;
PDFJS.shadow = shadow;
PDFJS.createBlob = createBlob;
PDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) {
return createObjectURL(data, contentType, PDFJS.disableCreateObjectURL);
};
Object.defineProperty(PDFJS, 'isLittleEndian', {
configurable: true,
get: function PDFJS_isLittleEndian() {
return shadow(PDFJS, 'isLittleEndian', isLittleEndian());
},
});
PDFJS.removeNullCharacters = removeNullCharacters;
PDFJS.PasswordResponses = PasswordResponses;
PDFJS.PasswordException = PasswordException;
PDFJS.UnknownErrorException = UnknownErrorException;
PDFJS.InvalidPDFException = InvalidPDFException;
PDFJS.MissingPDFException = MissingPDFException;
PDFJS.UnexpectedResponseException = UnexpectedResponseException;
PDFJS.Util = Util;
PDFJS.PageViewport = PageViewport;
PDFJS.createPromiseCapability = createPromiseCapability;
/**
* The maximum allowed image size in total pixels e.g. width * height. Images
* above this value will not be drawn. Use -1 for no limit.
* @var {number}
*/
PDFJS.maxImageSize = (PDFJS.maxImageSize === undefined ?
-1 : PDFJS.maxImageSize);
/**
* The url of where the predefined Adobe CMaps are located. Include trailing
* slash.
* @var {string}
*/
PDFJS.cMapUrl = (PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl);
/**
* Specifies if CMaps are binary packed.
* @var {boolean}
*/
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.
* @var {boolean}
*/
PDFJS.disableFontFace = (PDFJS.disableFontFace === undefined ?
false : PDFJS.disableFontFace);
/**
* Path for image resources, mainly for annotation icons. Include trailing
* slash.
* @var {string}
*/
PDFJS.imageResourcesPath = (PDFJS.imageResourcesPath === undefined ?
'' : PDFJS.imageResourcesPath);
/**
* Disable the web worker and run all code on the main thread. This will
* happen automatically if the browser doesn't support workers or sending
* typed arrays to workers.
* @var {boolean}
*/
PDFJS.disableWorker = (PDFJS.disableWorker === undefined ?
false : PDFJS.disableWorker);
/**
* Path and filename of the worker file. Required when the worker is enabled
* in development mode. If unspecified in the production build, the worker
* will be loaded based on the location of the pdf.js file. It is recommended
* that the workerSrc is set in a custom application to prevent issues caused
* by third-party frameworks and libraries.
* @var {string}
*/
PDFJS.workerSrc = (PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc);
/**
* Defines global port for worker process. Overrides workerSrc and
* disableWorker setting.
*/
PDFJS.workerPort = (PDFJS.workerPort === undefined ? null : PDFJS.workerPort);
/**
* Disable range request loading of PDF files. When enabled and if the server
* supports partial content requests then the PDF will be fetched in chunks.
* Enabled (false) by default.
* @var {boolean}
*/
PDFJS.disableRange = (PDFJS.disableRange === undefined ?
false : PDFJS.disableRange);
/**
* Disable streaming of PDF file data. By default PDF.js attempts to load PDF
* in chunks. This default behavior can be disabled.
* @var {boolean}
*/
PDFJS.disableStream = (PDFJS.disableStream === undefined ?
false : PDFJS.disableStream);
/**
* 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 ?
false : PDFJS.disableAutoFetch);
/**
* Enables special hooks for debugging PDF.js.
* @var {boolean}
*/
PDFJS.pdfBug = (PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug);
/**
* Enables transfer usage in postMessage for ArrayBuffers.
* @var {boolean}
*/
PDFJS.postMessageTransfers = (PDFJS.postMessageTransfers === undefined ?
true : PDFJS.postMessageTransfers);
/**
* Disables URL.createObjectURL usage.
* @var {boolean}
*/
PDFJS.disableCreateObjectURL = (PDFJS.disableCreateObjectURL === undefined ?
false : PDFJS.disableCreateObjectURL);
/**
* Disables WebGL usage.
* @var {boolean}
*/
PDFJS.disableWebGL = (PDFJS.disableWebGL === undefined ?
true : PDFJS.disableWebGL);
/**
* Specifies the |target| attribute for external links.
* The constants from PDFJS.LinkTarget should be used:
* - NONE [default]
* - SELF
* - BLANK
* - PARENT
* - TOP
* @var {number}
*/
PDFJS.externalLinkTarget = (PDFJS.externalLinkTarget === undefined ?
LinkTarget.NONE : PDFJS.externalLinkTarget);
/**
* Specifies the |rel| attribute for external links. Defaults to stripping
* the referrer.
* @var {string}
*/
PDFJS.externalLinkRel = (PDFJS.externalLinkRel === undefined ?
DEFAULT_LINK_REL : PDFJS.externalLinkRel);
/**
* Determines if we can eval strings as JS. Primarily used to improve
* performance for font rendering.
* @var {boolean}
*/
PDFJS.isEvalSupported = (PDFJS.isEvalSupported === undefined ?
true : PDFJS.isEvalSupported);
/**
* Opt-in to backwards incompatible API changes. NOTE:
* If the `PDFJS_NEXT` build flag is set, it will override this setting.
* @var {boolean}
*/
PDFJS.pdfjsNext = (PDFJS.pdfjsNext === undefined) ? false : PDFJS.pdfjsNext;
if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) {
var savedOpenExternalLinksInNewWindow = PDFJS.openExternalLinksInNewWindow;
delete PDFJS.openExternalLinksInNewWindow;
Object.defineProperty(PDFJS, 'openExternalLinksInNewWindow', {
get() {
return PDFJS.externalLinkTarget === LinkTarget.BLANK;
},
set(value) {
if (value) {
deprecated('PDFJS.openExternalLinksInNewWindow, please use ' +
'"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.');
}
if (PDFJS.externalLinkTarget !== LinkTarget.NONE) {
warn('PDFJS.externalLinkTarget is already initialized');
return;
}
PDFJS.externalLinkTarget = value ? LinkTarget.BLANK : LinkTarget.NONE;
},
enumerable: true,
configurable: true,
});
if (savedOpenExternalLinksInNewWindow) {
/**
* (Deprecated) Opens external links in a new window if enabled.
* The default behavior opens external links in the PDF.js window.
*
* NOTE: This property has been deprecated, please use
* `PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK` instead.
* @var {boolean}
*/
PDFJS.openExternalLinksInNewWindow = savedOpenExternalLinksInNewWindow;
}
}
PDFJS.getDocument = getDocument;
PDFJS.LoopbackPort = LoopbackPort;
PDFJS.PDFDataRangeTransport = PDFDataRangeTransport;
PDFJS.PDFWorker = PDFWorker;
PDFJS.hasCanvasTypedArrays = true; // compatibility.js ensures this invariant
PDFJS.CustomStyle = CustomStyle;
PDFJS.LinkTarget = LinkTarget;
PDFJS.addLinkAttributes = addLinkAttributes;
PDFJS.getFilenameFromUrl = getFilenameFromUrl;
PDFJS.isExternalLinkTargetSet = isExternalLinkTargetSet;
PDFJS.AnnotationLayer = AnnotationLayer;
PDFJS.renderTextLayer = renderTextLayer;
PDFJS.Metadata = Metadata;
PDFJS.SVGGraphics = SVGGraphics;
PDFJS.UnsupportedManager = _UnsupportedManager;
export {
globalScope,
isWorker,
PDFJS,
};
</code></pre>
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<h2><a href="index.html">Home</a></h2><h3>Externals</h3><ul><li><a href="external-Promise.html">Promise</a></li></ul><h3>Classes</h3><ul><li><a href="AnnotationBorderStyle.html">AnnotationBorderStyle</a></li><li><a href="AnnotationFactory.html">AnnotationFactory</a></li><li><a href="PageViewport.html">PageViewport</a></li><li><a href="PDFDataRangeTransport.html">PDFDataRangeTransport</a></li><li><a href="PDFDocumentLoadingTask.html">PDFDocumentLoadingTask</a></li><li><a href="PDFDocumentProxy.html">PDFDocumentProxy</a></li><li><a href="PDFJS.html">PDFJS</a></li><li><a href="PDFPageProxy.html">PDFPageProxy</a></li><li><a href="PDFWorker.html">PDFWorker</a></li><li><a href="RenderTask.html">RenderTask</a></li></ul><h3>Global</h3><ul><li><a href="global.html#_UnsupportedManager">_UnsupportedManager</a></li><li><a href="global.html#arrayByteLength">arrayByteLength</a></li><li><a href="global.html#arraysToBytes">arraysToBytes</a></li><li><a href="global.html#createPromiseCapability">createPromiseCapability</a></li><li><a href="global.html#createValidAbsoluteUrl">createValidAbsoluteUrl</a></li><li><a href="global.html#getDocument">getDocument</a></li></ul>
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