Sakurai/pdf.js
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Don't print missing symbols in the font

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This commit is contained in:
notmasteryet 2012-03-25 14:15:40 -05:00
parent 32eb64389e
commit 72355121a0
2 changed files with 23 additions and 8 deletions
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2
src/canvas.js
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@ -751,6 +751,8 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
x += Util.sign(current.fontMatrix[0]) * wordSpacing;
continue;
}
if (glyph.disabled)
continue;
var char = glyph.fontChar;
var charWidth = glyph.width * fontSize * 0.001 +

29
src/fonts.js
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@ -1828,8 +1828,9 @@ var Font = (function FontClosure() {
readGlyphNameMap(post, properties);
}
// Replace the old CMAP table with a shiny new one
var glyphs, ids;
if (properties.type == 'CIDFontType2') {
// Replace the old CMAP table with a shiny new one
// Type2 composite fonts map characters directly to glyphs so the cmap
// table must be replaced.
// canvas fillText will reencode some characters even if the font has a
@ -1861,7 +1862,9 @@ var Font = (function FontClosure() {
}
}
var glyphs = [], ids = [];
glyphs = [];
ids = [];
var usedUnicodes = [];
var unassignedUnicodeItems = [];
for (var i = 1; i < numGlyphs; i++) {
@ -1892,11 +1895,12 @@ var Font = (function FontClosure() {
glyphs.push({ unicode: unicode, code: cid });
ids.push(i);
}
cmap.data = createCMapTable(glyphs, ids);
} else {
var cmapTable = readCMapTable(cmap, font);
var glyphs = cmapTable.glyphs;
var ids = cmapTable.ids;
glyphs = cmapTable.glyphs;
ids = cmapTable.ids;
var hasShortCmap = !!cmapTable.hasShortCmap;
var toFontChar = this.toFontChar;
@ -2049,10 +2053,16 @@ var Font = (function FontClosure() {
createGlyphNameMap(glyphs, ids, properties);
this.glyphNameMap = properties.glyphNameMap;
cmap.data = createCMapTable(glyphs, ids);
}
// Converting glyphs and ids into font's cmap table
cmap.data = createCMapTable(glyphs, ids);
var unicodeIsEnabled = [];
for (var i = 0, ii = glyphs.length; i < ii; i++) {
unicodeIsEnabled[glyphs[i].unicode] = true;
}
this.unicodeIsEnabled = unicodeIsEnabled;
// Rewrite the 'post' table if needed
if (requiredTables.indexOf('post') != -1) {
tables.push({
@ -2378,7 +2388,7 @@ var Font = (function FontClosure() {
},
charToGlyph: function fonts_charToGlyph(charcode) {
var fontCharCode, width, operatorList;
var fontCharCode, width, operatorList, disabled;
var width = this.widths[charcode];
@ -2451,11 +2461,14 @@ var Font = (function FontClosure() {
unicodeChars = String.fromCharCode(unicodeChars);
width = (isNum(width) ? width : this.defaultWidth) * this.widthMultiplier;
disabled = this.unicodeIsEnabled ?
!this.unicodeIsEnabled[fontCharCode] : false;
return {
fontChar: String.fromCharCode(fontCharCode),
unicode: unicodeChars,
width: width,
disabled: disabled,
operatorList: operatorList
};
},