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Checking if it's a true symbolic truetype font

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notmasteryet 2012-03-25 16:30:44 -05:00
parent 32eb64389e
commit 851220074d
3 changed files with 22 additions and 0 deletions
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13
src/fonts.js
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@ -1958,6 +1958,19 @@ var Font = (function FontClosure() {
glyphsRemoved++;
}
// checking if it's a "true" symbolic font
if (this.isSymbolicFont) {
var minUnicode = 0xFFFF, maxUnicode = 0;
for (var i = 0, ii = glyphs.length; i < ii; i++) {
var unicode = glyphs[i].unicode;
minUnicode = Math.min(minUnicode, unicode);
maxUnicode = Math.max(maxUnicode, unicode);
}
// high byte must be the same for min and max unicodes
if ((maxUnicode & 0xFF00) != (minUnicode & 0xFF00))
this.isSymbolicFont = false;
}
// heuristics: if removed more than 2 glyphs encoding WinAnsiEncoding
// does not set properly
if (glyphsRemoved > 2) {