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Fix loading of fonts with invalid encoding name entry (bug 859204 and 878112)

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This commit is contained in:
Jonas Jenwald 2014-01-21 01:44:46 +01:00
parent ac91047f6d
commit 575bdd8863
4 changed files with 19 additions and 1 deletions
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12
src/core/evaluator.js
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@ -858,7 +858,17 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
} else if (isName(encoding)) {
overridableEncoding = false;
hasEncoding = true;
baseEncoding = Encodings[encoding.name];
var currentEncoding = Encodings[encoding.name];
// Some bad PDF files contain fonts whose encoding name is not among
// the predefined encodings, causing baseEncoding to be undefined.
// In this case, fallback to using the baseEncoding as defined above
// and let the font override the encoding if one is available.
if (currentEncoding) {
baseEncoding = currentEncoding;
} else {
overridableEncoding = true;
}
} else {
error('Encoding is not a Name nor a Dict');
}