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Merge pull request #6940 from Snuffleupagus/differences-fix-indirect-objects

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Ensure that we don't modify the `Dict` data when the `Differences` array of a font contains indirect objects
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Tim van der Meij 2016-01-31 20:17:16 +01:00
commit a4b90243d0
1 changed files with 1 additions and 4 deletions
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src/core/evaluator.js
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@ -1566,14 +1566,11 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
var diffEncoding = encoding.get('Differences'); var diffEncoding = encoding.get('Differences');
var index = 0; var index = 0;
for (var j = 0, jj = diffEncoding.length; j < jj; j++) { for (var j = 0, jj = diffEncoding.length; j < jj; j++) {
var data = diffEncoding[j]; var data = xref.fetchIfRef(diffEncoding[j]);
if (isNum(data)) { if (isNum(data)) {
index = data; index = data;
} else if (isName(data)) { } else if (isName(data)) {
differences[index++] = data.name; differences[index++] = data.name;
} else if (isRef(data)) {
diffEncoding[j--] = xref.fetch(data);
continue;
} else { } else {
error('Invalid entry in \'Differences\' array: ' + data); error('Invalid entry in \'Differences\' array: ' + data);
} }