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Fixing duplicates in cmap

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notmasteryet 2011-10-29 21:55:43 -05:00
parent a1d2c1c6d3
commit aaad824f77
1 changed files with 18 additions and 6 deletions
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24
src/fonts.js
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@ -1432,7 +1432,7 @@ var Font = (function Font() {
var glyphCode = offsetIndex < 0 ? j :
offsets[offsetIndex + j - start];
glyphCode = (glyphCode + delta) & 0xFFFF;
if (glyphCode == 0)
if (glyphCode == 0 || isAdaptedUnicode(j))
continue;
var unicode = adaptUnicode(j);
@ -1457,6 +1457,9 @@ var Font = (function Font() {
for (var j = 0; j < entryCount; j++) {
var glyphCode = int16(font.getBytes(2));
var code = firstCode + j;
if (isAdaptedUnicode(glyphCode))
continue;
var unicode = adaptUnicode(code);
glyphs.push({ unicode: unicode, code: code });
ids.push(glyphCode);
@ -2754,14 +2757,23 @@ CFF.prototype = {
var reverseMapping = {};
var encoding = properties.baseEncoding;
var differences = properties.differences;
var i, length;
var usedIn = [];
var i, length, glyphName;
for (i = 0, length = encoding.length; i < length; ++i) {
if (encoding[i] && !isSpecialUnicode(i))
reverseMapping[encoding[i]] = i;
glyphName = encoding[i];
if (!glyphName || isSpecialUnicode(i))
continue;
reverseMapping[glyphName] = i;
usedIn[i] = glyphName;
}
for (i = 0, length = differences.length; i < length; ++i) {
if (differences[i] && !isSpecialUnicode(i))
reverseMapping[differences[i]] = i;
glyphName = differences[i];
if (!glyphName || isSpecialUnicode(i))
continue;
if (usedIn[i])
delete reverseMapping[usedIn[i]];
reverseMapping[glyphName] = i;
usedIn[i] = glyphName;
}
reverseMapping['.notdef'] = 0;
var unusedUnicode = kCmapGlyphOffset;