yetangitu/pdf.js
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Refactor Encodings

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This commit is contained in:
Yury Delendik 2016-01-21 15:18:46 -06:00
parent 4ef20de429
commit 1a9a665adf
4 changed files with 357 additions and 274 deletions
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29
src/core/evaluator.js
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@ -22,23 +22,27 @@
'pdfjs/core/primitives', 'pdfjs/core/stream', 'pdfjs/core/parser',
'pdfjs/core/image', 'pdfjs/core/colorspace', 'pdfjs/core/murmurhash3',
'pdfjs/core/fonts', 'pdfjs/core/function', 'pdfjs/core/pattern',
'pdfjs/core/cmap', 'pdfjs/core/metrics', 'pdfjs/core/bidi'], factory);
'pdfjs/core/cmap', 'pdfjs/core/metrics', 'pdfjs/core/bidi',
'pdfjs/core/encodings'], factory);
} else if (typeof exports !== 'undefined') {
factory(exports, require('../shared/util.js'), require('./primitives.js'),
require('./stream.js'), require('./parser.js'), require('./image.js'),
require('./colorspace.js'), require('./murmurhash3.js'),
require('./fonts.js'), require('./function.js'), require('./pattern.js'),
require('./cmap.js'), require('./metrics.js'), require('./bidi.js'));
require('./cmap.js'), require('./metrics.js'), require('./bidi.js'),
require('./encodings.js'));
} else {
factory((root.pdfjsCoreEvaluator = {}), root.pdfjsSharedUtil,
root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreParser,
root.pdfjsCoreImage, root.pdfjsCoreColorSpace, root.pdfjsCoreMurmurHash3,
root.pdfjsCoreFonts, root.pdfjsCoreFunction, root.pdfjsCorePattern,
root.pdfjsCoreCMap, root.pdfjsCoreMetrics, root.pdfjsCoreBidi);
root.pdfjsCoreCMap, root.pdfjsCoreMetrics, root.pdfjsCoreBidi,
root.pdfjsCoreEncodings);
}
}(this, function (exports, sharedUtil, corePrimitives, coreStream, coreParser,
coreImage, coreColorSpace, coreMurmurHash3, coreFonts,
coreFunction, corePattern, coreCMap, coreMetrics, coreBidi) {
coreFunction, corePattern, coreCMap, coreMetrics, coreBidi,
coreEncodings) {
var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
@ -70,7 +74,6 @@ var isEOF = coreParser.isEOF;
var PDFImage = coreImage.PDFImage;
var ColorSpace = coreColorSpace.ColorSpace;
var MurmurHash3_64 = coreMurmurHash3.MurmurHash3_64;
var Encodings = coreFonts.Encodings;
var ErrorFont = coreFonts.ErrorFont;
var FontFlags = coreFonts.FontFlags;
var Font = coreFonts.Font;
@ -90,6 +93,12 @@ var CMapFactory = coreCMap.CMapFactory;
var IdentityCMap = coreCMap.IdentityCMap;
var Metrics = coreMetrics.Metrics;
var bidi = coreBidi.bidi;
var WinAnsiEncoding = coreEncodings.WinAnsiEncoding;
var StandardEncoding = coreEncodings.StandardEncoding;
var MacRomanEncoding = coreEncodings.MacRomanEncoding;
var SymbolSetEncoding = coreEncodings.SymbolSetEncoding;
var ZapfDingbatsEncoding = coreEncodings.ZapfDingbatsEncoding;
var getEncoding = coreEncodings.getEncoding;
var PartialEvaluator = (function PartialEvaluatorClosure() {
function PartialEvaluator(pdfManager, xref, handler, pageIndex,
@ -1580,19 +1589,19 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
}
if (baseEncodingName) {
properties.defaultEncoding = Encodings[baseEncodingName].slice();
properties.defaultEncoding = getEncoding(baseEncodingName).slice();
} else {
encoding = (properties.type === 'TrueType' ?
Encodings.WinAnsiEncoding : Encodings.StandardEncoding);
WinAnsiEncoding : StandardEncoding);
// The Symbolic attribute can be misused for regular fonts
// Heuristic: we have to check if the font is a standard one also
if (!!(properties.flags & FontFlags.Symbolic)) {
encoding = Encodings.MacRomanEncoding;
encoding = MacRomanEncoding;
if (!properties.file) {
if (/Symbol/i.test(properties.name)) {
encoding = Encodings.SymbolSetEncoding;
encoding = SymbolSetEncoding;
} else if (/Dingbats/i.test(properties.name)) {
encoding = Encodings.ZapfDingbatsEncoding;
encoding = ZapfDingbatsEncoding;
}
}
}