Sakurai/pdf.js
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Clean up encoding parsing

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This commit is contained in:
Vivien Nicolas 2011-08-30 02:34:35 +02:00
parent 6a7b37ab68
commit 341de1ff42
2 changed files with 10 additions and 4 deletions
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11
fonts.js
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@ -385,6 +385,7 @@ var Font = (function Font() {
var constructor = function font_constructor(name, file, properties) {
this.name = name;
this.encoding = properties.encoding;
this.glyphs = properties.glyphs;
this.sizes = [];
// If the font is to be ignored, register it like an already loaded font
@ -1271,6 +1272,10 @@ var Font = (function Font() {
unicode = charcode;
}
// Check if the glyph has already been converted
if (!IsNum(unicode))
unicode = encoding[charcode] = this.glyphs[unicode];
// Handle surrogate pairs
if (unicode > 0xFFFF) {
str += String.fromCharCode(unicode & 0xFFFF);
@ -1703,9 +1708,9 @@ var Type1Parser = function() {
var index = parseInt(getToken());
var glyph = getToken();
if (!properties.encoding[index]) {
var code = GlyphsUnicode[glyph];
properties.glyphs[glyph] = properties.encoding[index] = code;
if ('undefined' == typeof(properties.differences[index])) {
properties.encoding[index] = glyph;
properties.glyphs[glyph] = GlyphsUnicode[glyph];
}
getToken(); // read the in 'put'
}

3
pdf.js
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@ -4290,7 +4290,7 @@ var PartialEvaluator = (function() {
glyphsMap[glyph] = encodingMap[i] = GlyphsUnicode[glyph];
}
if (fontDict.has('ToUnicode') && differences) {
if (fontType == 'TrueType' && fontDict.has('ToUnicode') && differences) {
var cmapObj = xref.fetchIfRef(fontDict.get('ToUnicode'));
if (IsName(cmapObj)) {
error('ToUnicode file cmap translation not implemented');
@ -4358,6 +4358,7 @@ var PartialEvaluator = (function() {
var baseFontName = fontDict.get('BaseFont');
if (!IsName(baseFontName))
return null;
// Using base font name as a font name.
baseFontName = baseFontName.name.replace(/[\+,\-]/g, '_');
if (/^Symbol(_?(Bold|Italic))*$/.test(baseFontName)) {