Sakurai/pdf.js
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notmasteryet 2012-03-01 22:01:39 -06:00
parent 38e3f32557
commit ab3107e8e0
1 changed files with 4 additions and 44 deletions
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48
src/fonts.js
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@ -1966,51 +1966,11 @@ var Font = (function FontClosure() {
}
if (glyphName in GlyphsUnicode) {
var unicode = GlyphsUnicode[glyphName];
if (!unicode || reverseMap[unicode] === i)
continue; // unknown glyph name or in its own place
if (!unicode || (unicode in reverseMap))
continue; // unknown glyph name or its place is taken
var destination = reverseMap[unicode];
if (typeof destination === 'number' && destination > i)
continue;
var j = i;
// Flipping unicodes while next destination unicode has assigned
// glyph and future glyph can be assigned to unicode.
while (typeof destination === 'number') {
glyphs[j].unicode = unicode;
reverseMap[unicode] = j;
if (changeCode) {
toFontChar[code] = unicode;
changeCode = false;
}
code = glyphs[destination].unicode;
gid = ids[destination];
glyphName = glyphNames[gid];
if (!glyphName) {
glyphName = differences[code] || encoding[code];
changeCode = true;
}
unicode = GlyphsUnicode[glyphName];
if (!unicode || reverseMap[unicode] === j) {
unicode = 0;
break; // unknown glyph name or in its own place
}
j = destination;
destination = reverseMap[unicode];
}
if (!unicode) {
// Future glyph cannot be assigned to unicode, generate new one.
while (reverseMap[unusedUnicode])
unusedUnicode++;
unicode = unusedUnicode++;
}
glyphs[j].unicode = unicode;
reverseMap[unicode] = j;
glyphs[i].unicode = unicode;
reverseMap[unicode] = i;
if (changeCode)
toFontChar[code] = unicode;
}