Sakurai/pdf.js
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make cmap glyph offset a symbolic constant

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This commit is contained in:
Adil Allawi 2011-08-19 21:51:57 +01:00
parent 5a528944f0
commit 98d628ee3e
1 changed files with 5 additions and 3 deletions
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8
fonts.js
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@ -790,6 +790,8 @@ var Font = (function Font() {
encoding: null, encoding: null,
checkAndRepair: function font_checkAndRepair(name, font, properties) { checkAndRepair: function font_checkAndRepair(name, font, properties) {
var kCmapGlyphOffset = 0xFF;
function readTableEntry(file) { function readTableEntry(file) {
// tag // tag
var tag = file.getBytes(4); var tag = file.getBytes(4);
@ -1042,17 +1044,17 @@ var Font = (function Font() {
var encoding = properties.encoding; var encoding = properties.encoding;
for (var i = 1; i < numGlyphs; i++) { for (var i = 1; i < numGlyphs; i++) {
glyphs.push({ unicode: i + 0xFF }); glyphs.push({ unicode: i + kCmapGlyphOffset });
} }
if ('undefined' == typeof(encoding[0])) { if ('undefined' == typeof(encoding[0])) {
// the font is directly characters to glyphs with no encoding // the font is directly characters to glyphs with no encoding
// so create an identity encoding // so create an identity encoding
for (i = 0; i < numGlyphs; i++) for (i = 0; i < numGlyphs; i++)
encoding[i] = i + 0xFF; encoding[i] = i + kCmapGlyphOffset;
} else { } else {
for (var i in encoding) for (var i in encoding)
encoding[i] = encoding[i] + 0xFF; encoding[i] = encoding[i] + kCmapGlyphOffset;
} }
if (!cmap) { if (!cmap) {