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Duplicate short map into private use area

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notmasteryet 2012-01-10 22:01:24 -06:00
parent 933be30c3a
commit 09dfde69a2
1 changed files with 18 additions and 6 deletions
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24
src/fonts.js
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@ -1807,15 +1807,27 @@ var Font = (function FontClosure() {
if (hasShortCmap && this.hasEncoding && !this.isSymbolicFont) {
// Re-encode short map encoding to unicode -- that simplifies the
// resolution of MacRoman encoded glyphs logic for TrueType fonts.
// resolution of MacRoman encoded glyphs logic for TrueType fonts:
// copying all characters to private use area, all mapping all known
// glyphs to the unicodes. The glyphs and ids arrays will grow.
var usedUnicodes = [];
for (var i = 0, ii = glyphs.length; i < ii; i++) {
var code = glyphs[i].unicode;
glyphs[i].unicode += kCmapGlyphOffset;
var glyphName = properties.baseEncoding[code];
if (!glyphName)
continue;
if (!(glyphName in GlyphsUnicode))
continue;
glyphs[i].unicode = GlyphsUnicode[glyphName];
if (glyphName in GlyphsUnicode) {
var unicode = GlyphsUnicode[glyphName];
if (unicode in usedUnicodes)
continue;
usedUnicodes[unicode] = true;
glyphs.push({
unicode: unicode,
code: glyphs[i].code
});
ids.push(ids[i]);
}
}
}