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Fix a > 32000 conversion error in type1 to type2 charstring

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Vivien Nicolas 2011-07-21 11:01:38 +02:00
parent 6311977fee
commit 1d59de6c12
1 changed files with 11 additions and 2 deletions
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13
fonts.js
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@ -1786,8 +1786,10 @@ CFF.prototype = {
String.fromCharCode((value >> 8) & 0xFF) + String.fromCharCode((value >> 8) & 0xFF) +
String.fromCharCode(value & 0xFF); String.fromCharCode(value & 0xFF);
} else if (value >= (-2147483648) && value <= 2147483647) { } else if (value >= (-2147483648) && value <= 2147483647) {
value ^= 0xffffffff;
value += 1;
return '\xff' + return '\xff' +
String.fromCharCode((value >>> 24) & 0xFF) + String.fromCharCode((value >> 24) & 0xFF) +
String.fromCharCode((value >> 16) & 0xFF) + String.fromCharCode((value >> 16) & 0xFF) +
String.fromCharCode((value >> 8) & 0xFF) + String.fromCharCode((value >> 8) & 0xFF) +
String.fromCharCode(value & 0xFF); String.fromCharCode(value & 0xFF);
@ -1893,7 +1895,14 @@ CFF.prototype = {
charstring[i] = cmd; charstring[i] = cmd;
} }
} else { } else {
charstring.splice(i, 1, 28, command >> 8, command & 0xff); // Type1 charstring use a division for number above 32000
if (command > 32000) {
var divisor = charstring[i + 1];
command /= divisor;
charstring.splice(i, 3, 28, command >> 8, command & 0xff);
} else {
charstring.splice(i, 1, 28, command >> 8, command & 0xff);
}
i += 2; i += 2;
} }
} }