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Removes global PDFJS usage from the src/core/.

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This commit is contained in:
Yury Delendik 2016-03-02 18:48:21 -06:00
parent 21ed8ff71d
commit bda5e6235e
22 changed files with 376 additions and 299 deletions
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14
src/core/bidi.js
View file

@ -17,17 +17,14 @@
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
define('pdfjs/core/bidi', ['exports', 'pdfjs/shared/global'], factory);
define('pdfjs/core/bidi', ['exports'], factory);
} else if (typeof exports !== 'undefined') {
factory(exports, require('../shared/global.js'));
factory(exports);
} else {
factory((root.pdfjsCoreBidi = {}), root.pdfjsSharedGlobal);
factory((root.pdfjsCoreBidi = {}));
}
}(this, function (exports, sharedGlobal) {
}(this, function (exports) {
var PDFJS = sharedGlobal.PDFJS;
var bidi = PDFJS.bidi = (function bidiClosure() {
// Character types for symbols from 0000 to 00FF.
var baseTypes = [
'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'S', 'B', 'S', 'WS',
@ -430,8 +427,5 @@ var bidi = PDFJS.bidi = (function bidiClosure() {
return createBidiText(chars.join(''), isLTR);
}
return bidi;
})();
exports.bidi = bidi;
}));

2
src/core/cmap.js
View file

@ -12,7 +12,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals PDFJS */
'use strict';
@ -35,7 +34,6 @@ var assert = sharedUtil.assert;
var error = sharedUtil.error;
var isInt = sharedUtil.isInt;
var isString = sharedUtil.isString;
var warn = sharedUtil.warn;
var isName = corePrimitives.isName;
var isCmd = corePrimitives.isCmd;
var isStream = corePrimitives.isStream;

7
src/core/document.js
View file

@ -79,6 +79,7 @@ var Page = (function PageClosure() {
this.idCounters = {
obj: 0
};
this.evaluatorOptions = pdfManager.evaluatorOptions;
this.resourcesPromise = null;
}
@ -224,7 +225,8 @@ var Page = (function PageClosure() {
handler, this.pageIndex,
'p' + this.pageIndex + '_',
this.idCounters,
this.fontCache);
this.fontCache,
this.evaluatorOptions);
var dataPromises = Promise.all([contentStreamPromise, resourcesPromise]);
var pageListPromise = dataPromises.then(function(data) {
@ -289,7 +291,8 @@ var Page = (function PageClosure() {
handler, self.pageIndex,
'p' + self.pageIndex + '_',
self.idCounters,
self.fontCache);
self.fontCache,
self.evaluatorOptions);
return partialEvaluator.getTextContent(contentStream,
task,

38
src/core/evaluator.js
View file

@ -12,7 +12,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals PDFJS */
'use strict';
@ -108,8 +107,15 @@ var getUnicodeForGlyph = coreUnicode.getUnicodeForGlyph;
var getGlyphsUnicode = coreGlyphList.getGlyphsUnicode;
var PartialEvaluator = (function PartialEvaluatorClosure() {
var DefaultPartialEvaluatorOptions = {
forceDataSchema: false,
maxImageSize: -1,
disableFontFace: false,
cMapOptions: { url: null, packed: false }
};
function PartialEvaluator(pdfManager, xref, handler, pageIndex,
uniquePrefix, idCounters, fontCache) {
uniquePrefix, idCounters, fontCache, options) {
this.pdfManager = pdfManager;
this.xref = xref;
this.handler = handler;
@ -117,6 +123,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
this.uniquePrefix = uniquePrefix;
this.idCounters = idCounters;
this.fontCache = fontCache;
this.options = options || DefaultPartialEvaluatorOptions;
}
// Trying to minimize Date.now() usage and check every 100 time
@ -275,7 +282,8 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
warn('Image dimensions are missing, or not numbers.');
return;
}
if (PDFJS.maxImageSize !== -1 && w * h > PDFJS.maxImageSize) {
var maxImageSize = this.options.maxImageSize;
if (maxImageSize !== -1 && w * h > maxImageSize) {
warn('Image exceeded maximum allowed size and was removed.');
return;
}
@ -339,11 +347,13 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
// These JPEGs don't need any more processing so we can just send it.
operatorList.addOp(OPS.paintJpegXObject, args);
this.handler.send('obj',
[objId, this.pageIndex, 'JpegStream', image.getIR()]);
[objId, this.pageIndex, 'JpegStream',
image.getIR(this.options.forceDataSchema)]);
return;
}
PDFImage.buildImage(self.handler, self.xref, resources, image, inline).
PDFImage.buildImage(self.handler, self.xref, resources, image, inline,
this.options.forceDataSchema).
then(function(imageObj) {
var imgData = imageObj.createImageData(/* forceRGBA = */ false);
self.handler.send('obj', [objId, self.pageIndex, 'Image', imgData],
@ -451,7 +461,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
var glyphs = font.charsToGlyphs(chars);
var isAddToPathSet = !!(state.textRenderingMode &
TextRenderingMode.ADD_TO_PATH_FLAG);
if (font.data && (isAddToPathSet || PDFJS.disableFontFace)) {
if (font.data && (isAddToPathSet || this.options.disableFontFace)) {
var buildPath = function (fontChar) {
if (!font.renderer.hasBuiltPath(fontChar)) {
var path = font.renderer.getPathJs(fontChar);
@ -1174,7 +1184,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
function runBidiTransform(textChunk) {
var str = textChunk.str.join('');
var bidiResult = PDFJS.bidi(str, -1, textChunk.vertical);
var bidiResult = bidi(str, -1, textChunk.vertical);
return {
str: (normalizeWhitespace ? replaceWhitespace(bidiResult.str) :
bidiResult.str),
@ -1757,8 +1767,8 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
var ucs2CMapName = new Name(registry + '-' + ordering + '-UCS2');
// d) Obtain the CMap with the name constructed in step (c) (available
// from the ASN Web site; see the Bibliography).
return CMapFactory.create(ucs2CMapName,
{ url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null).then(
return CMapFactory.create(ucs2CMapName, this.options.cMapOptions,
null).then(
function (ucs2CMap) {
var cMap = properties.cMap;
toUnicode = [];
@ -1785,8 +1795,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
readToUnicode: function PartialEvaluator_readToUnicode(toUnicode) {
var cmapObj = toUnicode;
if (isName(cmapObj)) {
return CMapFactory.create(cmapObj,
{ url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null).then(
return CMapFactory.create(cmapObj, this.options.cMapOptions, null).then(
function (cmap) {
if (cmap instanceof IdentityCMap) {
return new IdentityToUnicodeMap(0, 0xFFFF);
@ -1794,8 +1803,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
return new ToUnicodeMap(cmap.getMap());
});
} else if (isStream(cmapObj)) {
return CMapFactory.create(cmapObj,
{ url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null).then(
return CMapFactory.create(cmapObj, this.options.cMapOptions, null).then(
function (cmap) {
if (cmap instanceof IdentityCMap) {
return new IdentityToUnicodeMap(0, 0xFFFF);
@ -2086,6 +2094,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
var descriptor = preEvaluatedFont.descriptor;
var type = preEvaluatedFont.type;
var maxCharIndex = (composite ? 0xFFFF : 0xFF);
var cMapOptions = this.options.cMapOptions;
var properties;
if (!descriptor) {
@ -2213,8 +2222,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
if (isName(cidEncoding)) {
properties.cidEncoding = cidEncoding.name;
}
cMapPromise = CMapFactory.create(cidEncoding,
{ url: PDFJS.cMapUrl, packed: PDFJS.cMapPacked }, null).then(
cMapPromise = CMapFactory.create(cidEncoding, cMapOptions, null).then(
function (cMap) {
properties.cMap = cMap;
properties.vertical = properties.cMap.vertical;

12
src/core/fonts.js
View file

@ -12,7 +12,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals PDFJS */
'use strict';
@ -20,24 +19,24 @@
if (typeof define === 'function' && define.amd) {
define('pdfjs/core/fonts', ['exports', 'pdfjs/shared/util',
'pdfjs/core/primitives', 'pdfjs/core/stream', 'pdfjs/core/parser',
'pdfjs/core/cmap', 'pdfjs/core/glyphlist', 'pdfjs/core/charsets',
'pdfjs/core/glyphlist', 'pdfjs/core/charsets',
'pdfjs/core/font_renderer', 'pdfjs/core/encodings',
'pdfjs/core/standard_fonts', 'pdfjs/core/unicode'], factory);
} else if (typeof exports !== 'undefined') {
factory(exports, require('../shared/util.js'), require('./primitives.js'),
require('./stream.js'), require('./parser.js'), require('./cmap.js'),
require('./stream.js'), require('./parser.js'),
require('./glyphlist.js'), require('./charsets.js'),
require('./font_renderer.js'), require('./encodings.js'),
require('./standard_fonts'), require('./unicode.js'));
} else {
factory((root.pdfjsCoreFonts = {}), root.pdfjsSharedUtil,
root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreParser,
root.pdfjsCoreCMap, root.pdfjsCoreGlyphList, root.pdfjsCoreCharsets,
root.pdfjsCoreGlyphList, root.pdfjsCoreCharsets,
root.pdfjsCoreFontRenderer, root.pdfjsCoreEncodings,
root.pdfjsCoreStandardFonts, root.pdfjsCoreUnicode);
}
}(this, function (exports, sharedUtil, corePrimitives, coreStream, coreParser,
coreCMap, coreGlyphList, coreCharsets, coreFontRenderer,
coreGlyphList, coreCharsets, coreFontRenderer,
coreEncodings, coreStandardFonts, coreUnicode) {
var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
@ -55,11 +54,8 @@ var shadow = sharedUtil.shadow;
var stringToBytes = sharedUtil.stringToBytes;
var string32 = sharedUtil.string32;
var warn = sharedUtil.warn;
var Name = corePrimitives.Name;
var Stream = coreStream.Stream;
var Lexer = coreParser.Lexer;
var CMapFactory = coreCMap.CMapFactory;
var IdentityCMap = coreCMap.IdentityCMap;
var getGlyphsUnicode = coreGlyphList.getGlyphsUnicode;
var getDingbatsGlyphsUnicode = coreGlyphList.getDingbatsGlyphsUnicode;
var ISOAdobeCharset = coreCharsets.ISOAdobeCharset;

17
src/core/image.js
View file

@ -51,7 +51,7 @@ var PDFImage = (function PDFImageClosure() {
* Decode the image in the main thread if it supported. Resovles the promise
* when the image data is ready.
*/
function handleImageData(handler, xref, res, image) {
function handleImageData(handler, xref, res, image, forceDataSchema) {
if (image instanceof JpegStream && image.isNativelyDecodable(xref, res)) {
// For natively supported jpegs send them to the main thread for decoding.
var dict = image.dict;
@ -59,7 +59,8 @@ var PDFImage = (function PDFImageClosure() {
colorSpace = ColorSpace.parse(colorSpace, xref, res);
var numComps = colorSpace.numComps;
var decodePromise = handler.sendWithPromise('JpegDecode',
[image.getIR(), numComps]);
[image.getIR(forceDataSchema),
numComps]);
return decodePromise.then(function (message) {
var data = message.data;
return new Stream(data, 0, data.length, image.dict);
@ -184,8 +185,10 @@ var PDFImage = (function PDFImageClosure() {
* with a PDFImage when the image is ready to be used.
*/
PDFImage.buildImage = function PDFImage_buildImage(handler, xref,
res, image, inline) {
var imagePromise = handleImageData(handler, xref, res, image);
res, image, inline,
forceDataSchema) {
var imagePromise = handleImageData(handler, xref, res, image,
forceDataSchema);
var smaskPromise;
var maskPromise;
@ -193,13 +196,15 @@ var PDFImage = (function PDFImageClosure() {
var mask = image.dict.get('Mask');
if (smask) {
smaskPromise = handleImageData(handler, xref, res, smask);
smaskPromise = handleImageData(handler, xref, res, smask,
forceDataSchema);
maskPromise = Promise.resolve(null);
} else {
smaskPromise = Promise.resolve(null);
if (mask) {
if (isStream(mask)) {
maskPromise = handleImageData(handler, xref, res, mask);
maskPromise = handleImageData(handler, xref, res, mask,
forceDataSchema);
} else if (isArray(mask)) {
maskPromise = Promise.resolve(mask);
} else {

6
src/core/pdf_manager.js
View file

@ -110,8 +110,9 @@ var BasePdfManager = (function BasePdfManagerClosure() {
})();
var LocalPdfManager = (function LocalPdfManagerClosure() {
function LocalPdfManager(docId, data, password) {
function LocalPdfManager(docId, data, password, evaluatorOptions) {
this._docId = docId;
this.evaluatorOptions = evaluatorOptions;
var stream = new Stream(data);
this.pdfDocument = new PDFDocument(this, stream, password);
this._loadedStreamCapability = createPromiseCapability();
@ -157,9 +158,10 @@ var LocalPdfManager = (function LocalPdfManagerClosure() {
})();
var NetworkPdfManager = (function NetworkPdfManagerClosure() {
function NetworkPdfManager(docId, pdfNetworkStream, args) {
function NetworkPdfManager(docId, pdfNetworkStream, args, evaluatorOptions) {
this._docId = docId;
this.msgHandler = args.msgHandler;
this.evaluatorOptions = evaluatorOptions;
var params = {
msgHandler: args.msgHandler,

6
src/core/stream.js
View file

@ -12,7 +12,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals PDFJS */
'use strict';
@ -36,6 +35,7 @@ var Util = sharedUtil.Util;
var error = sharedUtil.error;
var info = sharedUtil.info;
var isArray = sharedUtil.isArray;
var createObjectURL = sharedUtil.createObjectURL;
var shadow = sharedUtil.shadow;
var warn = sharedUtil.warn;
var Dict = corePrimitives.Dict;
@ -963,8 +963,8 @@ var JpegStream = (function JpegStreamClosure() {
return this.buffer;
};
JpegStream.prototype.getIR = function JpegStream_getIR() {
return PDFJS.createObjectURL(this.bytes, 'image/jpeg');
JpegStream.prototype.getIR = function JpegStream_getIR(forceDataSchema) {
return createObjectURL(this.bytes, 'image/jpeg', forceDataSchema);
};
/**
* Checks if the image can be decoded and displayed by the browser without any

54
src/core/worker.js
View file

@ -19,18 +19,16 @@
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
define('pdfjs/core/worker', ['exports', 'pdfjs/shared/util',
'pdfjs/core/primitives', 'pdfjs/core/pdf_manager', 'pdfjs/shared/global'],
'pdfjs/core/primitives', 'pdfjs/core/pdf_manager'],
factory);
} else if (typeof exports !== 'undefined') {
factory(exports, require('../shared/util.js'), require('./primitives.js'),
require('./pdf_manager.js'), require('../shared/global.js'));
require('./pdf_manager.js'));
} else {
factory((root.pdfjsCoreWorker = {}), root.pdfjsSharedUtil,
root.pdfjsCorePrimitives, root.pdfjsCorePdfManager,
root.pdfjsSharedGlobal);
root.pdfjsCorePrimitives, root.pdfjsCorePdfManager);
}
}(this, function (exports, sharedUtil, corePrimitives, corePdfManager,
sharedGlobal) {
}(this, function (exports, sharedUtil, corePrimitives, corePdfManager) {
var UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES;
var InvalidPDFException = sharedUtil.InvalidPDFException;
@ -48,11 +46,11 @@ var createPromiseCapability = sharedUtil.createPromiseCapability;
var error = sharedUtil.error;
var info = sharedUtil.info;
var warn = sharedUtil.warn;
var setVerbosityLevel = sharedUtil.setVerbosityLevel;
var Ref = corePrimitives.Ref;
var LocalPdfManager = corePdfManager.LocalPdfManager;
var NetworkPdfManager = corePdfManager.NetworkPdfManager;
var globalScope = sharedGlobal.globalScope;
var PDFJS = sharedGlobal.PDFJS;
var globalScope = sharedUtil.globalScope;
var WorkerTask = (function WorkerTaskClosure() {
function WorkerTask(name) {
@ -428,7 +426,7 @@ function setPDFNetworkStreamClass(cls) {
PDFNetworkStream = cls;
}
var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
var WorkerMessageHandler = {
setup: function wphSetup(handler, port) {
var testMessageProcessed = false;
handler.on('test', function wphSetupTest(data) {
@ -533,14 +531,15 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
return loadDocumentCapability.promise;
}
function getPdfManager(data) {
function getPdfManager(data, evaluatorOptions) {
var pdfManagerCapability = createPromiseCapability();
var pdfManager;
var source = data.source;
if (source.data) {
try {
pdfManager = new LocalPdfManager(docId, source.data, source.password);
pdfManager = new LocalPdfManager(docId, source.data, source.password,
evaluatorOptions);
pdfManagerCapability.resolve(pdfManager);
} catch (ex) {
pdfManagerCapability.reject(ex);
@ -589,7 +588,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
length: fullRequest.contentLength,
disableAutoFetch: disableAutoFetch,
rangeChunkSize: source.rangeChunkSize
});
}, evaluatorOptions);
pdfManagerCapability.resolve(pdfManager);
cancelXHRs = null;
}).catch(function (reason) {
@ -605,7 +604,8 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
}
// the data is array, instantiating directly from it
try {
pdfManager = new LocalPdfManager(docId, pdfFile, source.password);
pdfManager = new LocalPdfManager(docId, pdfFile, source.password,
evaluatorOptions);
pdfManagerCapability.resolve(pdfManager);
} catch (ex) {
pdfManagerCapability.reject(ex);
@ -685,16 +685,21 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
ensureNotTerminated();
PDFJS.maxImageSize = data.maxImageSize === undefined ?
-1 : data.maxImageSize;
PDFJS.disableFontFace = data.disableFontFace;
PDFJS.disableCreateObjectURL = data.disableCreateObjectURL;
PDFJS.verbosity = data.verbosity;
PDFJS.cMapUrl = data.cMapUrl === undefined ?
null : data.cMapUrl;
PDFJS.cMapPacked = data.cMapPacked === true;
var cMapOptions = {
url: data.cMapUrl === undefined ? null : data.cMapUrl,
packed: data.cMapPacked === true
};
var evaluatorOptions = {
forceDataSchema: data.disableCreateObjectURL,
maxImageSize: data.maxImageSize === undefined ? -1 : data.maxImageSize,
disableFontFace: data.disableFontFace,
cMapOptions: cMapOptions
};
getPdfManager(data).then(function (newPdfManager) {
// TODO move it to the worker options synchronization place (vs document).
setVerbosityLevel(data.verbosity);
getPdfManager(data, evaluatorOptions).then(function (newPdfManager) {
if (terminated) {
// We were in a process of setting up the manager, but it got
// terminated in the middle.
@ -989,6 +994,11 @@ function initializeWorker() {
handler.send('ready', null);
}
if (globalScope.PDFJS) {
// TODO properly handle WorkerMessageHandler as a module export at api.js.
globalScope.PDFJS.WorkerMessageHandler = WorkerMessageHandler;
}
// Worker thread (and not node.js)?
if (typeof window === 'undefined' &&
!(typeof module !== 'undefined' && module.require)) {