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Merge pull request #14025 from Snuffleupagus/issue-11915

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Improve glyph mapping for non-embedded composite standard fonts with a /CIDToGIDMap (issue 11915)
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Brendan Dahl 2021-09-16 08:06:35 -07:00 • committed by GitHub
commit d6a27860e3
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15
src/core/fonts.js
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@ -1073,6 +1073,7 @@ class Font {
map[+charCode] = SupplementalGlyphMapForCalibri[charCode];
}
}
// Always update the glyph mapping with the `cidToGidMap` when it exists
// (fixes issue12418_reduced.pdf).
if (cidToGidMap) {
@ -1082,6 +1083,20 @@ class Font {
map[+charCode] = cidToGidMap[cid];
}
}
// When the /CIDToGIDMap is "incomplete", fallback to the included
// /ToUnicode-map regardless of its encoding (fixes issue11915.pdf).
if (
cidToGidMap.length !== this.toUnicode.length &&
properties.hasIncludedToUnicodeMap &&
this.toUnicode instanceof IdentityToUnicodeMap
) {
this.toUnicode.forEach(function (charCode, unicodeCharCode) {
const cid = map[charCode];
if (cidToGidMap[cid] === undefined) {
map[+charCode] = unicodeCharCode;
}
});
}
}
if (!(this.toUnicode instanceof IdentityToUnicodeMap)) {