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Calculate correct checksum for the field header

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Vivien Nicolas 2011-06-29 21:29:33 +02:00
parent 68aa1f9bbb
commit 0a7531cb33
1 changed files with 3 additions and 6 deletions
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9
fonts.js
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@ -247,12 +247,9 @@ var Font = (function () {
var length = data.length; var length = data.length;
// checksum // checksum
var checksum = tag.charCodeAt(0) + var checksum = 0;
tag.charCodeAt(1) + for (var i = 0; i < length; i+=4)
tag.charCodeAt(2) + checksum += FontsUtils.bytesToInteger([data[i], data[i+1], data[i+2], data[i+3]]);
tag.charCodeAt(3) +
offset +
length;
var tableEntry = tag + string32(checksum) + string32(offset) + string32(length); var tableEntry = tag + string32(checksum) + string32(offset) + string32(length);
tableEntry = stringToArray(tableEntry); tableEntry = stringToArray(tableEntry);