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Merge pull request #5964 from Snuffleupagus/bug-1157493

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Handle the Encoding being a dictionary in PartialEvaluator_preEvaluateFont (bug 1157493)
This commit is contained in:
Brendan Dahl 2015-05-05 14:41:32 -07:00
commit cd53cbe7d4
5 changed files with 27 additions and 0 deletions
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15
src/core/evaluator.js
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@ -1571,6 +1571,21 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
hash.update(encoding.name);
} else if (isRef(encoding)) {
hash.update(encoding.num + '_' + encoding.gen);
} else if (isDict(encoding)) {
var keys = encoding.getKeys();
for (var i = 0, ii = keys.length; i < ii; i++) {
var entry = encoding.getRaw(keys[i]);
if (isName(entry)) {
hash.update(entry.name);
} else if (isRef(entry)) {
hash.update(entry.num + '_' + entry.gen);
} else if (isArray(entry)) { // 'Differences' entry.
// Ideally we should check the contents of the array, but to avoid
// parsing it here and then again in |extractDataStructures|,
// we only use the array length for now (fixes bug1157493.pdf).
hash.update(entry.length.toString());
}
}
}
var toUnicode = dict.get('ToUnicode') || baseDict.get('ToUnicode');

4
src/core/obj.js
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@ -192,6 +192,10 @@ var Dict = (function DictClosure() {
return all;
},
getKeys: function Dict_getKeys() {
return Object.keys(this.map);
},
set: function Dict_set(key, value) {
this.map[key] = value;
},