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Fix encoding of type1 private dictionary arrays.

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This commit is contained in:
Brendan Dahl 2013-03-28 15:05:03 -07:00
parent 04f6e17e11
commit 82eb374fad
1 changed files with 9 additions and 1 deletions
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10
src/fonts.js
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@ -5616,7 +5616,15 @@ Type1Font.prototype = {
var field = fields[i];
if (!properties.privateData.hasOwnProperty(field))
continue;
privateDict.setByName(field, properties.privateData[field]);
var value = properties.privateData[field];
if (isArray(value)) {
// All of the private dictionary array data in CFF must be stored as
// "delta-encoded" numbers.
for (var j = value.length - 1; j > 0; j--) {
value[j] -= value[j - 1]; // ... difference from previous value
}
}
privateDict.setByName(field, value);
}
cff.topDict.privateDict = privateDict;