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Fix cmap encoding records to pass the sanitizer in the case of a duplicate platform: 1, encoding: 0

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Vivien Nicolas 2011-09-06 15:12:33 +02:00
parent 9012fbd010
commit b1a85c6229
1 changed files with 34 additions and 1 deletions
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35
fonts.js
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@ -857,9 +857,42 @@ var Font = (function Font() {
});
}
// Check that table are sorted by platformID then encodingID,
var tables = [records[0]];
for (var i = 1; i < numRecords; i++) {
// The sanitizer will drop the font if 2 tables have the same
// platformID and the same encodingID, this will be correct for
// most cases but if the font has been made for Mac it could
// exist a few platformID: 1, encodingID: 0 but with a different
// language field and that's correct. But the sanitizer does not
// seem to support this case.
var current = records[i];
var previous = records[i - 1];
if (((current.platformID << 16) + current.encodingID) <=
((previous.platformID << 16) + previous.encodingID))
continue;
tables.push(current);
}
var missing = numRecords - tables.length;
if (numRecords - tables.length) {
numRecords = tables.length;
var data = string16(version) + string16(numRecords);
for (var i = 0; i < numRecords; i++) {
var table = tables[i];
data += string16(table.platformID) +
string16(table.encodingID) +
string32(table.offset);
}
for (var i = 0; i < data.length; i++)
cmap.data[i] = data.charCodeAt(i);
}
var encoding = properties.encoding;
for (var i = 0; i < numRecords; i++) {
var table = records[i];
var table = tables[i];
font.pos = start + table.offset;
var format = int16(font.getBytes(2));