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fix max range of instructions

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This commit is contained in:
kekee000 2015-03-04 16:11:00 +08:00
parent 468d0cbdcc
commit 757c0cafda
1 changed files with 7 additions and 4 deletions
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11
src/ttf/table/glyfcontour.js
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@ -183,11 +183,14 @@ define(
// instructions
length = reader.readUint16();
if (length) {
instructions = [];
for (i = 0; i < length; ++i) {
instructions.push(reader.readUint8());
// range错误
if (length < 1000) {
instructions = [];
for (i = 0; i < length; ++i) {
instructions.push(reader.readUint8());
}
glyf.instructions = instructions;
}
glyf.instructions = instructions;
}
readSimpleGlyf.call(