From 567be2972025e209cccaaa3d74c32486a21cc6e5 Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Thu, 8 Sep 2011 03:16:33 +0200
Subject: [PATCH 01/15] Add more glue between glyph mapping and code mapping
---
fonts.js | 81 ++++++++++++++++++++++++++++----------------------------
pdf.js | 46 +++++++++++++++++++++-----------
2 files changed, 71 insertions(+), 56 deletions(-)
diff --git a/fonts.js b/fonts.js
index 659c5157e..bfdbb0b4a 100755
--- a/fonts.js
+++ b/fonts.js
@@ -711,7 +711,7 @@ var Font = (function Font() {
var encoding = properties.encoding;
for (var index in encoding) {
- var code = encoding[index];
+ var code = encoding[index].unicode;
if (firstCharIndex > code || !firstCharIndex)
firstCharIndex = code;
if (lastCharIndex < code)
@@ -970,15 +970,9 @@ var Font = (function Font() {
if (index) {
deltas.push(index);
- var code = encoding[index];
- for (var glyph in properties.glyphs) {
- if (properties.glyphs[glyph] == code)
- break;
- }
-
var unicode = j + kCmapGlyphOffset;
- properties.glyphs[glyph] = encoding[j] = unicode;
- glyphs.push({ glyph: glyph, unicode: unicode });
+ encoding[j].unicode = unicode;
+ glyphs.push({ unicode: unicode });
}
}
@@ -1023,8 +1017,10 @@ var Font = (function Font() {
var start = denseRange[0];
var end = denseRange[1];
var index = firstCode;
- for (var j = start; j <= end; j++)
- encoding[index++] = glyphs[j - firstCode - 1].unicode;
+ for (var j = start; j <= end; j++) {
+ var code = j - firstCode - 1;
+ encoding[index++] = { unicode: glyphs[code].unicode };
+ }
return cmap.data = createCMapTable(glyphs);
}
}
@@ -1118,23 +1114,6 @@ var Font = (function Font() {
// U+00AD (soft hyphen) is not drawn.
// So, offset all the glyphs by 0xFF to avoid these cases and use
// the encoding to map incoming characters to the new glyph positions
-
- var glyphs = [];
- var encoding = properties.encoding;
-
- for (var i = 1; i < numGlyphs; i++)
- glyphs.push({ unicode: i + kCmapGlyphOffset });
-
- if ('undefined' == typeof(encoding[0])) {
- // the font is directly characters to glyphs with no encoding
- // so create an identity encoding
- for (i = 0; i < numGlyphs; i++)
- encoding[i] = i + kCmapGlyphOffset;
- } else {
- for (var code in encoding)
- encoding[code] += kCmapGlyphOffset;
- }
-
if (!cmap) {
cmap = {
tag: 'cmap',
@@ -1142,6 +1121,21 @@ var Font = (function Font() {
};
tables.push(cmap);
}
+
+ var encoding = properties.encoding;
+ if (!encoding[0]) {
+ // the font is directly characters to glyphs with no encoding
+ // so create an identity encoding
+ for (i = 0; i < numGlyphs; i++)
+ encoding[i] = { unicode: i + kCmapGlyphOffset };
+ } else {
+ for (var code in encoding)
+ encoding[code].unicode += kCmapGlyphOffset;
+ }
+
+ var glyphs = [];
+ for (var i = 1; i < numGlyphs; i++)
+ glyphs.push({ unicode: i + kCmapGlyphOffset });
cmap.data = createCMapTable(glyphs);
} else {
replaceCMapTable(cmap, font, properties);
@@ -1361,14 +1355,14 @@ var Font = (function Font() {
// loop should never end on the last byte
for (var i = 0; i < length; i++) {
var charcode = int16([chars.charCodeAt(i++), chars.charCodeAt(i)]);
- var unicode = encoding[charcode];
+ var unicode = encoding[charcode].unicode;
str += String.fromCharCode(unicode);
}
}
else {
for (var i = 0; i < chars.length; ++i) {
var charcode = chars.charCodeAt(i);
- var unicode = encoding[charcode];
+ var unicode = encoding[charcode].unicode;
if ('undefined' == typeof(unicode)) {
warn('Unencoded charcode ' + charcode);
unicode = charcode;
@@ -1376,7 +1370,7 @@ var Font = (function Font() {
// Check if the glyph has already been converted
if (!IsNum(unicode))
- unicode = encoding[charcode] = this.glyphs[unicode];
+ unicode = encoding[charcode].unicode = this.glyphs[unicode].unicode;
// Handle surrogate pairs
if (unicode > 0xFFFF) {
@@ -1830,8 +1824,8 @@ var Type1Parser = function() {
var glyph = getToken();
if ('undefined' == typeof(properties.differences[index])) {
- properties.encoding[index] = glyph;
- properties.glyphs[glyph] = GlyphsUnicode[glyph] || index;
+ var mapping = { unicode: GlyphsUnicode[glyph] || j };
+ properties.glyphs[glyph] = properties.encoding[index] = mapping;
}
getToken(); // read the in 'put'
}
@@ -2000,14 +1994,14 @@ CFF.prototype = {
for (var i = 0; i < glyphs.length; i++) {
var glyph = glyphs[i];
- var unicode = properties.glyphs[glyph.glyph];
- if (!unicode) {
+ var mapping = properties.glyphs[glyph.glyph];
+ if (!mapping) {
if (glyph.glyph != '.notdef')
missings.push(glyph.glyph);
} else {
charstrings.push({
glyph: glyph.glyph,
- unicode: unicode,
+ unicode: mapping.unicode,
charstring: glyph.data,
width: glyph.width,
lsb: glyph.lsb
@@ -2340,17 +2334,24 @@ var Type2CFF = (function() {
}
}
- if (code == -1)
- index = code = properties.glyphs[glyph] || index;
+ if (code == -1) {
+ var mapping = properties.glyphs[glyph] || {};
+ index = code = mapping.unicode || index;
+ }
var width = widths[code] || defaultWidth;
if (code <= 0x1f || (code >= 127 && code <= 255))
code += kCmapGlyphOffset;
- properties.encoding[index] = code;
+ properties.glyphs[glyph] = properties.encoding[index] = {
+ unicode: code,
+ width: width
+ };
+
charstrings.push({
unicode: code,
- width: width, gid: i
+ width: width,
+ gid: i
});
index++;
}
diff --git a/pdf.js b/pdf.js
index 5b0558940..73575a4f3 100644
--- a/pdf.js
+++ b/pdf.js
@@ -4194,13 +4194,19 @@ var PartialEvaluator = (function() {
var glyphsData = glyphsStream.getBytes(0);
// Glyph ids are big-endian 2-byte values
- // Set this to 0 to verify the font has an encoding.
var encoding = properties.encoding;
- encoding[0] = 0;
+
+ // Set encoding 0 to later verify the font has an encoding
+ encoding[0] = { unicode: 0 };
for (var j = 0; j < glyphsData.length; j++) {
var glyphID = (glyphsData[j++] << 8) | glyphsData[j];
- if (glyphID != 0)
- encoding[j >> 1] = glyphID;
+ if (glyphID == 0)
+ continue;
+
+ encoding[j >> 1] = {
+ unicode: glyphID,
+ width: 0
+ };
}
} else if (type == 'CIDFontType0') {
var encoding = xref.fetchIfRef(dict.get('Encoding'));
@@ -4269,7 +4275,10 @@ var PartialEvaluator = (function() {
var glyph = differences[i] || baseEncoding[i];
if (glyph) {
var index = GlyphsUnicode[glyph] || i;
- glyphs[glyph] = map[i] = index;
+ glyphs[glyph] = map[i] = {
+ unicode: index,
+ width: properties.widths[i - firstChar] || properties.defaultWidth
+ };
// If there is no file, the character mapping can't be modified
// but this is unlikely that there is any standard encoding with
@@ -4278,7 +4287,7 @@ var PartialEvaluator = (function() {
continue;
if (index <= 0x1f || (index >= 127 && index <= 255))
- glyphs[glyph] = map[i] += kCmapGlyphOffset;
+ map[i].unicode += kCmapGlyphOffset;
}
}
@@ -4316,7 +4325,10 @@ var PartialEvaluator = (function() {
var endRange = tokens[j + 1];
var code = tokens[j + 2];
while (startRange < endRange) {
- map[startRange] = code++;
+ map[startRange] = {
+ unicode: code++,
+ width: 0
+ }
++startRange;
}
}
@@ -4327,7 +4339,10 @@ var PartialEvaluator = (function() {
for (var j = 0; j < tokens.length; j += 2) {
var index = tokens[j];
var code = tokens[j + 1];
- map[index] = code;
+ map[index] = {
+ unicode: code,
+ width: 0
+ };
}
break;
@@ -4478,19 +4493,18 @@ var PartialEvaluator = (function() {
descent: descriptor.get('Descent'),
xHeight: descriptor.get('XHeight'),
capHeight: descriptor.get('CapHeight'),
+ defaultWidth: descriptor.get('MissingWidth') || 0,
flags: descriptor.get('Flags'),
italicAngle: descriptor.get('ItalicAngle'),
differences: [],
- widths: [],
+ widths: (function() {
+ var glyphWidths = {};
+ for (var i = 0; i <= widths.length; i++)
+ glyphWidths[firstChar++] = widths[i];
+ return glyphWidths;
+ })(),
encoding: {}
};
-
- // XXX Encoding and Glyphs should point to the same object so it will
- // be hard to be out of sync. The object could contains the unicode and
- // the width of the glyph.
- for (var i = 0; i <= widths.length; i++)
- properties.widths[firstChar++] = widths[i];
-
properties.glyphs = this.extractEncoding(dict, xref, properties);
return {
From a7ef696fea4d4abdb2e70cda0c1814b255c56a93 Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Thu, 8 Sep 2011 03:21:27 +0200
Subject: [PATCH 02/15] Add an empty 'widths' to the properties object for base
font
---
pdf.js | 1 +
1 file changed, 1 insertion(+)
diff --git a/pdf.js b/pdf.js
index 5960ab19d..40ffde688 100644
--- a/pdf.js
+++ b/pdf.js
@@ -4435,6 +4435,7 @@ var PartialEvaluator = (function() {
type: type.name,
encoding: map,
differences: [],
+ widths: {},
firstChar: 0,
lastChar: 256
};
From d4fb9c786ca56ad2ceefd10c20ae59f5b250192f Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Fri, 9 Sep 2011 01:35:37 +0200
Subject: [PATCH 03/15] Use the built-in widths to calculate glyphs metrics
---
fonts.js | 51 +-
metrics.js | 2938 +++++++++++++++++++++++++++++++++++++++++++++++
pdf.js | 110 +-
web/viewer.html | 1 +
4 files changed, 3040 insertions(+), 60 deletions(-)
create mode 100644 metrics.js
diff --git a/fonts.js b/fonts.js
index bfdbb0b4a..3dc33db81 100755
--- a/fonts.js
+++ b/fonts.js
@@ -140,11 +140,25 @@ var FontMeasure = (function FontMeasure() {
ctx.font = rule;
current = font;
},
- measureText: function fonts_measureText(text) {
+ measureText: function fonts_measureText(text, font, size) {
var width;
if (measureCache && (width = measureCache[text]))
return width;
- width = ctx.measureText(text).width / kScalePrecision;
+
+ try {
+ width = 0.0;
+ var composite = font.composite;
+ for (var i = 0; i < text.length; i++) {
+ var charcode = composite ?
+ ((text.charCodeAt(i++) << 8) + text.charCodeAt(i)) :
+ text.charCodeAt(i);
+ var charWidth = parseFloat(font.encoding[charcode].width);
+ width += charWidth;
+ }
+ width = width * size / 1000;
+ } catch(e) {
+ width = ctx.measureText(text).width / kScalePrecision;
+ }
if (measureCache)
measureCache[text] = width;
return width;
@@ -444,7 +458,6 @@ var Font = (function Font() {
var constructor = function font_constructor(name, file, properties) {
this.name = name;
this.encoding = properties.encoding;
- this.glyphs = properties.glyphs;
this.sizes = [];
var names = name.split("+");
@@ -469,8 +482,7 @@ var Font = (function Font() {
(fontName.indexOf('Italic') != -1);
// Use 'name' instead of 'fontName' here because the original
- // name ArialNarrow for example will be replaced by Helvetica.
- this.narrow = (name.indexOf("Narrow") != -1)
+ // name ArialBlack for example will be replaced by Helvetica.
this.black = (name.indexOf("Black") != -1)
this.loadedName = fontName.split('-')[0];
@@ -1019,7 +1031,9 @@ var Font = (function Font() {
var index = firstCode;
for (var j = start; j <= end; j++) {
var code = j - firstCode - 1;
- encoding[index++] = { unicode: glyphs[code].unicode };
+ var mapping = encoding[index + 1] || {};
+ mapping.unicode = glyphs[code].unicode;
+ encoding[index++] = mapping;
}
return cmap.data = createCMapTable(glyphs);
}
@@ -1126,8 +1140,13 @@ var Font = (function Font() {
if (!encoding[0]) {
// the font is directly characters to glyphs with no encoding
// so create an identity encoding
- for (i = 0; i < numGlyphs; i++)
- encoding[i] = { unicode: i + kCmapGlyphOffset };
+ var widths = properties.widths;
+ for (i = 0; i < numGlyphs; i++) {
+ encoding[i] = {
+ unicode: i + kCmapGlyphOffset,
+ width: widths[i] || properties.defaultWidth
+ };
+ }
} else {
for (var code in encoding)
encoding[code].unicode += kCmapGlyphOffset;
@@ -1368,10 +1387,6 @@ var Font = (function Font() {
unicode = charcode;
}
- // Check if the glyph has already been converted
- if (!IsNum(unicode))
- unicode = encoding[charcode].unicode = this.glyphs[unicode].unicode;
-
// Handle surrogate pairs
if (unicode > 0xFFFF) {
str += String.fromCharCode(unicode & 0xFFFF);
@@ -1824,7 +1839,8 @@ var Type1Parser = function() {
var glyph = getToken();
if ('undefined' == typeof(properties.differences[index])) {
- var mapping = { unicode: GlyphsUnicode[glyph] || j };
+ var mapping = properties.encoding[index] || {};
+ mapping.unicode = GlyphsUnicode[glyph] || j;
properties.glyphs[glyph] = properties.encoding[index] = mapping;
}
getToken(); // read the in 'put'
@@ -2315,8 +2331,6 @@ var Type2CFF = (function() {
getCharStrings: function cff_charstrings(charsets, charStrings,
privDict, properties) {
- var widths = properties.widths;
-
var defaultWidth = privDict['defaultWidthX'];
var nominalWidth = privDict['nominalWidthX'];
@@ -2334,12 +2348,11 @@ var Type2CFF = (function() {
}
}
- if (code == -1) {
- var mapping = properties.glyphs[glyph] || {};
+ var mapping = properties.glyphs[glyph] || {};
+ if (code == -1)
index = code = mapping.unicode || index;
- }
- var width = widths[code] || defaultWidth;
+ var width = mapping.width || defaultWidth;
if (code <= 0x1f || (code >= 127 && code <= 255))
code += kCmapGlyphOffset;
diff --git a/metrics.js b/metrics.js
new file mode 100644
index 000000000..973d9543a
--- /dev/null
+++ b/metrics.js
@@ -0,0 +1,2938 @@
+var Metrics = {
+ 'Courier': 600,
+ 'Courier-Bold': 600,
+ 'Courier-BoldOblique': 600,
+ 'Courier-Oblique': 600,
+ 'Helvetica' : {
+ 'space': 278,
+ 'exclam': 278,
+ 'quotedbl': 355,
+ 'numbersign': 556,
+ 'dollar': 556,
+ 'percent': 889,
+ 'ampersand': 667,
+ 'quoteright': 222,
+ 'parenleft': 333,
+ 'parenright': 333,
+ 'asterisk': 389,
+ 'plus': 584,
+ 'comma': 278,
+ 'hyphen': 333,
+ 'period': 278,
+ 'slash': 278,
+ 'zero': 556,
+ 'one': 556,
+ 'two': 556,
+ 'three': 556,
+ 'four': 556,
+ 'five': 556,
+ 'six': 556,
+ 'seven': 556,
+ 'eight': 556,
+ 'nine': 556,
+ 'colon': 278,
+ 'semicolon': 278,
+ 'less': 584,
+ 'equal': 584,
+ 'greater': 584,
+ 'question': 556,
+ 'at': 1015,
+ 'A': 667,
+ 'B': 667,
+ 'C': 722,
+ 'D': 722,
+ 'E': 667,
+ 'F': 611,
+ 'G': 778,
+ 'H': 722,
+ 'I': 278,
+ 'J': 500,
+ 'K': 667,
+ 'L': 556,
+ 'M': 833,
+ 'N': 722,
+ 'O': 778,
+ 'P': 667,
+ 'Q': 778,
+ 'R': 722,
+ 'S': 667,
+ 'T': 611,
+ 'U': 722,
+ 'V': 667,
+ 'W': 944,
+ 'X': 667,
+ 'Y': 667,
+ 'Z': 611,
+ 'bracketleft': 278,
+ 'backslash': 278,
+ 'bracketright': 278,
+ 'asciicircum': 469,
+ 'underscore': 556,
+ 'quoteleft': 222,
+ 'a': 556,
+ 'b': 556,
+ 'c': 500,
+ 'd': 556,
+ 'e': 556,
+ 'f': 278,
+ 'g': 556,
+ 'h': 556,
+ 'i': 222,
+ 'j': 222,
+ 'k': 500,
+ 'l': 222,
+ 'm': 833,
+ 'n': 556,
+ 'o': 556,
+ 'p': 556,
+ 'q': 556,
+ 'r': 333,
+ 's': 500,
+ 't': 278,
+ 'u': 556,
+ 'v': 500,
+ 'w': 722,
+ 'x': 500,
+ 'y': 500,
+ 'z': 500,
+ 'braceleft': 334,
+ 'bar': 260,
+ 'braceright': 334,
+ 'asciitilde': 584,
+ 'exclamdown': 333,
+ 'cent': 556,
+ 'sterling': 556,
+ 'fraction': 167,
+ 'yen': 556,
+ 'florin': 556,
+ 'section': 556,
+ 'currency': 556,
+ 'quotesingle': 191,
+ 'quotedblleft': 333,
+ 'guillemotleft': 556,
+ 'guilsinglleft': 333,
+ 'guilsinglright': 333,
+ 'fi': 500,
+ 'fl': 500,
+ 'endash': 556,
+ 'dagger': 556,
+ 'daggerdbl': 556,
+ 'periodcentered': 278,
+ 'paragraph': 537,
+ 'bullet': 350,
+ 'quotesinglbase': 222,
+ 'quotedblbase': 333,
+ 'quotedblright': 333,
+ 'guillemotright': 556,
+ 'ellipsis': 1000,
+ 'perthousand': 1000,
+ 'questiondown': 611,
+ 'grave': 333,
+ 'acute': 333,
+ 'circumflex': 333,
+ 'tilde': 333,
+ 'macron': 333,
+ 'breve': 333,
+ 'dotaccent': 333,
+ 'dieresis': 333,
+ 'ring': 333,
+ 'cedilla': 333,
+ 'hungarumlaut': 333,
+ 'ogonek': 333,
+ 'caron': 333,
+ 'emdash': 1000,
+ 'AE': 1000,
+ 'ordfeminine': 370,
+ 'Lslash': 556,
+ 'Oslash': 778,
+ 'OE': 1000,
+ 'ordmasculine': 365,
+ 'ae': 889,
+ 'dotlessi': 278,
+ 'lslash': 222,
+ 'oslash': 611,
+ 'oe': 944,
+ 'germandbls': 611,
+ 'Idieresis': 278,
+ 'eacute': 556,
+ 'abreve': 556,
+ 'uhungarumlaut': 556,
+ 'ecaron': 556,
+ 'Ydieresis': 667,
+ 'divide': 584,
+ 'Yacute': 667,
+ 'Acircumflex': 667,
+ 'aacute': 556,
+ 'Ucircumflex': 722,
+ 'yacute': 500,
+ 'scommaaccent': 500,
+ 'ecircumflex': 556,
+ 'Uring': 722,
+ 'Udieresis': 722,
+ 'aogonek': 556,
+ 'Uacute': 722,
+ 'uogonek': 556,
+ 'Edieresis': 667,
+ 'Dcroat': 722,
+ 'commaaccent': 250,
+ 'copyright': 737,
+ 'Emacron': 667,
+ 'ccaron': 500,
+ 'aring': 556,
+ 'Ncommaaccent': 722,
+ 'lacute': 222,
+ 'agrave': 556,
+ 'Tcommaaccent': 611,
+ 'Cacute': 722,
+ 'atilde': 556,
+ 'Edotaccent': 667,
+ 'scaron': 500,
+ 'scedilla': 500,
+ 'iacute': 278,
+ 'lozenge': 471,
+ 'Rcaron': 722,
+ 'Gcommaaccent': 778,
+ 'ucircumflex': 556,
+ 'acircumflex': 556,
+ 'Amacron': 667,
+ 'rcaron': 333,
+ 'ccedilla': 500,
+ 'Zdotaccent': 611,
+ 'Thorn': 667,
+ 'Omacron': 778,
+ 'Racute': 722,
+ 'Sacute': 667,
+ 'dcaron': 643,
+ 'Umacron': 722,
+ 'uring': 556,
+ 'threesuperior': 333,
+ 'Ograve': 778,
+ 'Agrave': 667,
+ 'Abreve': 667,
+ 'multiply': 584,
+ 'uacute': 556,
+ 'Tcaron': 611,
+ 'partialdiff': 476,
+ 'ydieresis': 500,
+ 'Nacute': 722,
+ 'icircumflex': 278,
+ 'Ecircumflex': 667,
+ 'adieresis': 556,
+ 'edieresis': 556,
+ 'cacute': 500,
+ 'nacute': 556,
+ 'umacron': 556,
+ 'Ncaron': 722,
+ 'Iacute': 278,
+ 'plusminus': 584,
+ 'brokenbar': 260,
+ 'registered': 737,
+ 'Gbreve': 778,
+ 'Idotaccent': 278,
+ 'summation': 600,
+ 'Egrave': 667,
+ 'racute': 333,
+ 'omacron': 556,
+ 'Zacute': 611,
+ 'Zcaron': 611,
+ 'greaterequal': 549,
+ 'Eth': 722,
+ 'Ccedilla': 722,
+ 'lcommaaccent': 222,
+ 'tcaron': 317,
+ 'eogonek': 556,
+ 'Uogonek': 722,
+ 'Aacute': 667,
+ 'Adieresis': 667,
+ 'egrave': 556,
+ 'zacute': 500,
+ 'iogonek': 222,
+ 'Oacute': 778,
+ 'oacute': 556,
+ 'amacron': 556,
+ 'sacute': 500,
+ 'idieresis': 278,
+ 'Ocircumflex': 778,
+ 'Ugrave': 722,
+ 'Delta': 612,
+ 'thorn': 556,
+ 'twosuperior': 333,
+ 'Odieresis': 778,
+ 'mu': 556,
+ 'igrave': 278,
+ 'ohungarumlaut': 556,
+ 'Eogonek': 667,
+ 'dcroat': 556,
+ 'threequarters': 834,
+ 'Scedilla': 667,
+ 'lcaron': 299,
+ 'Kcommaaccent': 667,
+ 'Lacute': 556,
+ 'trademark': 1000,
+ 'edotaccent': 556,
+ 'Igrave': 278,
+ 'Imacron': 278,
+ 'Lcaron': 556,
+ 'onehalf': 834,
+ 'lessequal': 549,
+ 'ocircumflex': 556,
+ 'ntilde': 556,
+ 'Uhungarumlaut': 722,
+ 'Eacute': 667,
+ 'emacron': 556,
+ 'gbreve': 556,
+ 'onequarter': 834,
+ 'Scaron': 667,
+ 'Scommaaccent': 667,
+ 'Ohungarumlaut': 778,
+ 'degree': 400,
+ 'ograve': 556,
+ 'Ccaron': 722,
+ 'ugrave': 556,
+ 'radical': 453,
+ 'Dcaron': 722,
+ 'rcommaaccent': 333,
+ 'Ntilde': 722,
+ 'otilde': 556,
+ 'Rcommaaccent': 722,
+ 'Lcommaaccent': 556,
+ 'Atilde': 667,
+ 'Aogonek': 667,
+ 'Aring': 667,
+ 'Otilde': 778,
+ 'zdotaccent': 500,
+ 'Ecaron': 667,
+ 'Iogonek': 278,
+ 'kcommaaccent': 500,
+ 'minus': 584,
+ 'Icircumflex': 278,
+ 'ncaron': 556,
+ 'tcommaaccent': 278,
+ 'logicalnot': 584,
+ 'odieresis': 556,
+ 'udieresis': 556,
+ 'notequal': 549,
+ 'gcommaaccent': 556,
+ 'eth': 556,
+ 'zcaron': 500,
+ 'ncommaaccent': 556,
+ 'onesuperior': 333,
+ 'imacron': 278,
+ 'Euro': 556
+ },
+ 'Helvetica-Bold': {
+ 'space': 278,
+ 'exclam': 333,
+ 'quotedbl': 474,
+ 'numbersign': 556,
+ 'dollar': 556,
+ 'percent': 889,
+ 'ampersand': 722,
+ 'quoteright': 278,
+ 'parenleft': 333,
+ 'parenright': 333,
+ 'asterisk': 389,
+ 'plus': 584,
+ 'comma': 278,
+ 'hyphen': 333,
+ 'period': 278,
+ 'slash': 278,
+ 'zero': 556,
+ 'one': 556,
+ 'two': 556,
+ 'three': 556,
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+ 'amacron': 556,
+ 'sacute': 500,
+ 'idieresis': 278,
+ 'Ocircumflex': 778,
+ 'Ugrave': 722,
+ 'Delta': 612,
+ 'thorn': 556,
+ 'twosuperior': 333,
+ 'Odieresis': 778,
+ 'mu': 556,
+ 'igrave': 278,
+ 'ohungarumlaut': 556,
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+ 'dcroat': 556,
+ 'threequarters': 834,
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+ 'Kcommaaccent': 667,
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+ 'trademark': 1000,
+ 'edotaccent': 556,
+ 'Igrave': 278,
+ 'Imacron': 278,
+ 'Lcaron': 556,
+ 'onehalf': 834,
+ 'lessequal': 549,
+ 'ocircumflex': 556,
+ 'ntilde': 556,
+ 'Uhungarumlaut': 722,
+ 'Eacute': 667,
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+ 'gbreve': 556,
+ 'onequarter': 834,
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+ 'Scommaaccent': 667,
+ 'Ohungarumlaut': 778,
+ 'degree': 400,
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+ 'radical': 453,
+ 'Dcaron': 722,
+ 'rcommaaccent': 333,
+ 'Ntilde': 722,
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+ 'Rcommaaccent': 722,
+ 'Lcommaaccent': 556,
+ 'Atilde': 667,
+ 'Aogonek': 667,
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+ 'Otilde': 778,
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+ 'tcommaaccent': 278,
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+ 'odieresis': 556,
+ 'udieresis': 556,
+ 'notequal': 549,
+ 'gcommaaccent': 556,
+ 'eth': 556,
+ 'zcaron': 500,
+ 'ncommaaccent': 556,
+ 'onesuperior': 333,
+ 'imacron': 278,
+ 'Euro': 556
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+ 'Symbol': {
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+ 'exclam': 333,
+ 'universal': 713,
+ 'numbersign': 500,
+ 'existential': 549,
+ 'percent': 833,
+ 'ampersand': 778,
+ 'suchthat': 439,
+ 'parenleft': 333,
+ 'parenright': 333,
+ 'asteriskmath': 500,
+ 'plus': 549,
+ 'comma': 250,
+ 'minus': 549,
+ 'period': 250,
+ 'slash': 278,
+ 'zero': 500,
+ 'one': 500,
+ 'two': 500,
+ 'three': 500,
+ 'four': 500,
+ 'five': 500,
+ 'six': 500,
+ 'seven': 500,
+ 'eight': 500,
+ 'nine': 500,
+ 'colon': 278,
+ 'semicolon': 278,
+ 'less': 549,
+ 'equal': 549,
+ 'greater': 549,
+ 'question': 444,
+ 'congruent': 549,
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+ 'Beta': 667,
+ 'Chi': 722,
+ 'Delta': 612,
+ 'Epsilon': 611,
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+ 'Eta': 722,
+ 'Iota': 333,
+ 'theta1': 631,
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+ 'Omicron': 722,
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+ 'Sigma': 592,
+ 'Tau': 611,
+ 'Upsilon': 690,
+ 'sigma1': 439,
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+ 'Psi': 795,
+ 'Zeta': 611,
+ 'bracketleft': 333,
+ 'therefore': 863,
+ 'bracketright': 333,
+ 'perpendicular': 658,
+ 'underscore': 500,
+ 'radicalex': 500,
+ 'alpha': 631,
+ 'beta': 549,
+ 'chi': 549,
+ 'delta': 494,
+ 'epsilon': 439,
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+ 'eta': 603,
+ 'iota': 329,
+ 'phi1': 603,
+ 'kappa': 549,
+ 'lambda': 549,
+ 'mu': 576,
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+ 'omicron': 549,
+ 'pi': 549,
+ 'theta': 521,
+ 'rho': 549,
+ 'sigma': 603,
+ 'tau': 439,
+ 'upsilon': 576,
+ 'omega1': 713,
+ 'omega': 686,
+ 'xi': 493,
+ 'psi': 686,
+ 'zeta': 494,
+ 'braceleft': 480,
+ 'bar': 200,
+ 'braceright': 480,
+ 'similar': 549,
+ 'Euro': 750,
+ 'Upsilon1': 620,
+ 'minute': 247,
+ 'lessequal': 549,
+ 'fraction': 167,
+ 'infinity': 713,
+ 'florin': 500,
+ 'club': 753,
+ 'diamond': 753,
+ 'heart': 753,
+ 'spade': 753,
+ 'arrowboth': 1042,
+ 'arrowleft': 987,
+ 'arrowup': 603,
+ 'arrowright': 987,
+ 'arrowdown': 603,
+ 'degree': 400,
+ 'plusminus': 549,
+ 'second': 411,
+ 'greaterequal': 549,
+ 'multiply': 549,
+ 'proportional': 713,
+ 'partialdiff': 494,
+ 'bullet': 460,
+ 'divide': 549,
+ 'notequal': 549,
+ 'equivalence': 549,
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+ 'ellipsis': 1000,
+ 'arrowvertex': 603,
+ 'arrowhorizex': 1000,
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+ 'Ifraktur': 686,
+ 'Rfraktur': 795,
+ 'weierstrass': 987,
+ 'circlemultiply': 768,
+ 'circleplus': 768,
+ 'emptyset': 823,
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+ 'propersuperset': 713,
+ 'reflexsuperset': 713,
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+ 'propersubset': 713,
+ 'reflexsubset': 713,
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+ 'angle': 768,
+ 'gradient': 713,
+ 'registerserif': 790,
+ 'copyrightserif': 790,
+ 'trademarkserif': 890,
+ 'product': 823,
+ 'radical': 549,
+ 'dotmath': 250,
+ 'logicalnot': 713,
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+ 'logicalor': 603,
+ 'arrowdblboth': 1042,
+ 'arrowdblleft': 987,
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+ 'arrowdbldown': 603,
+ 'lozenge': 494,
+ 'angleleft': 329,
+ 'registersans': 790,
+ 'copyrightsans': 790,
+ 'trademarksans': 786,
+ 'summation': 713,
+ 'parenlefttp': 384,
+ 'parenleftex': 384,
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+ 'bracketlefttp': 384,
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+ 'braceex': 494,
+ 'angleright': 329,
+ 'integral': 274,
+ 'integraltp': 686,
+ 'integralex': 686,
+ 'integralbt': 686,
+ 'parenrighttp': 384,
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+ 'bracketrightbt': 384,
+ 'bracerighttp': 494,
+ 'bracerightmid': 494,
+ 'bracerightbt': 494,
+ 'apple': 790
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+ 'Times-Roman': {
+ 'space': 250,
+ 'exclam': 333,
+ 'quotedbl': 408,
+ 'numbersign': 500,
+ 'dollar': 500,
+ 'percent': 833,
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+ 'quoteright': 333,
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+ 'comma': 250,
+ 'hyphen': 333,
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+ 'zero': 500,
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+ 'two': 500,
+ 'three': 500,
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+ 'eight': 500,
+ 'nine': 500,
+ 'colon': 278,
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+ 'A': 722,
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+ 'C': 667,
+ 'D': 722,
+ 'E': 611,
+ 'F': 556,
+ 'G': 722,
+ 'H': 722,
+ 'I': 333,
+ 'J': 389,
+ 'K': 722,
+ 'L': 611,
+ 'M': 889,
+ 'N': 722,
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+ 'P': 556,
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+ 'T': 611,
+ 'U': 722,
+ 'V': 722,
+ 'W': 944,
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+ 'bracketleft': 333,
+ 'backslash': 278,
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+ 'asciicircum': 469,
+ 'underscore': 500,
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+ 'a': 444,
+ 'b': 500,
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+ 'd': 500,
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+ 'f': 333,
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+ 'i': 278,
+ 'j': 278,
+ 'k': 500,
+ 'l': 278,
+ 'm': 778,
+ 'n': 500,
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+ 'p': 500,
+ 'q': 500,
+ 'r': 333,
+ 's': 389,
+ 't': 278,
+ 'u': 500,
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+ 'w': 722,
+ 'x': 500,
+ 'y': 500,
+ 'z': 444,
+ 'braceleft': 480,
+ 'bar': 200,
+ 'braceright': 480,
+ 'asciitilde': 541,
+ 'exclamdown': 333,
+ 'cent': 500,
+ 'sterling': 500,
+ 'fraction': 167,
+ 'yen': 500,
+ 'florin': 500,
+ 'section': 500,
+ 'currency': 500,
+ 'quotesingle': 180,
+ 'quotedblleft': 444,
+ 'guillemotleft': 500,
+ 'guilsinglleft': 333,
+ 'guilsinglright': 333,
+ 'fi': 556,
+ 'fl': 556,
+ 'endash': 500,
+ 'dagger': 500,
+ 'daggerdbl': 500,
+ 'periodcentered': 250,
+ 'paragraph': 453,
+ 'bullet': 350,
+ 'quotesinglbase': 333,
+ 'quotedblbase': 444,
+ 'quotedblright': 444,
+ 'guillemotright': 500,
+ 'ellipsis': 1000,
+ 'perthousand': 1000,
+ 'questiondown': 444,
+ 'grave': 333,
+ 'acute': 333,
+ 'circumflex': 333,
+ 'tilde': 333,
+ 'macron': 333,
+ 'breve': 333,
+ 'dotaccent': 333,
+ 'dieresis': 333,
+ 'ring': 333,
+ 'cedilla': 333,
+ 'hungarumlaut': 333,
+ 'ogonek': 333,
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+ 'emdash': 1000,
+ 'AE': 889,
+ 'ordfeminine': 276,
+ 'Lslash': 611,
+ 'Oslash': 722,
+ 'OE': 889,
+ 'ordmasculine': 310,
+ 'ae': 667,
+ 'dotlessi': 278,
+ 'lslash': 278,
+ 'oslash': 500,
+ 'oe': 722,
+ 'germandbls': 500,
+ 'Idieresis': 333,
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+ 'abreve': 444,
+ 'uhungarumlaut': 500,
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+ 'Ydieresis': 722,
+ 'divide': 564,
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+ 'Acircumflex': 722,
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+ 'Ucircumflex': 722,
+ 'yacute': 500,
+ 'scommaaccent': 389,
+ 'ecircumflex': 444,
+ 'Uring': 722,
+ 'Udieresis': 722,
+ 'aogonek': 444,
+ 'Uacute': 722,
+ 'uogonek': 500,
+ 'Edieresis': 611,
+ 'Dcroat': 722,
+ 'commaaccent': 250,
+ 'copyright': 760,
+ 'Emacron': 611,
+ 'ccaron': 444,
+ 'aring': 444,
+ 'Ncommaaccent': 722,
+ 'lacute': 278,
+ 'agrave': 444,
+ 'Tcommaaccent': 611,
+ 'Cacute': 667,
+ 'atilde': 444,
+ 'Edotaccent': 611,
+ 'scaron': 389,
+ 'scedilla': 389,
+ 'iacute': 278,
+ 'lozenge': 471,
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+ 'Gcommaaccent': 722,
+ 'ucircumflex': 500,
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+ 'Zdotaccent': 611,
+ 'Thorn': 556,
+ 'Omacron': 722,
+ 'Racute': 667,
+ 'Sacute': 556,
+ 'dcaron': 588,
+ 'Umacron': 722,
+ 'uring': 500,
+ 'threesuperior': 300,
+ 'Ograve': 722,
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+ 'Abreve': 722,
+ 'multiply': 564,
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+ 'partialdiff': 476,
+ 'ydieresis': 500,
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+ 'icircumflex': 278,
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+ 'edieresis': 444,
+ 'cacute': 444,
+ 'nacute': 500,
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+ 'Ncaron': 722,
+ 'Iacute': 333,
+ 'plusminus': 564,
+ 'brokenbar': 200,
+ 'registered': 760,
+ 'Gbreve': 722,
+ 'Idotaccent': 333,
+ 'summation': 600,
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+ 'racute': 333,
+ 'omacron': 500,
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+ 'greaterequal': 549,
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+ 'lcommaaccent': 278,
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+ 'eogonek': 444,
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+ 'Adieresis': 722,
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+ 'idieresis': 278,
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+ 'Odieresis': 722,
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+ 'threequarters': 750,
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+ 'Kcommaaccent': 722,
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+ 'trademark': 980,
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+ 'onehalf': 750,
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+ 'Scommaaccent': 556,
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+ 'ugrave': 500,
+ 'radical': 453,
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+ 'rcommaaccent': 333,
+ 'Ntilde': 722,
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+ 'Rcommaaccent': 667,
+ 'Lcommaaccent': 611,
+ 'Atilde': 722,
+ 'Aogonek': 722,
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+ 'logicalnot': 564,
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+ 'gcommaaccent': 500,
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+ 'imacron': 278,
+ 'Euro': 500
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+ 'Times-Bold': {
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+ 'exclam': 333,
+ 'quotedbl': 555,
+ 'numbersign': 500,
+ 'dollar': 500,
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+ 'ampersand': 833,
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+ 'hyphen': 333,
+ 'period': 250,
+ 'slash': 278,
+ 'zero': 500,
+ 'one': 500,
+ 'two': 500,
+ 'three': 500,
+ 'four': 500,
+ 'five': 500,
+ 'six': 500,
+ 'seven': 500,
+ 'eight': 500,
+ 'nine': 500,
+ 'colon': 333,
+ 'semicolon': 333,
+ 'less': 570,
+ 'equal': 570,
+ 'greater': 570,
+ 'question': 500,
+ 'at': 930,
+ 'A': 722,
+ 'B': 667,
+ 'C': 722,
+ 'D': 722,
+ 'E': 667,
+ 'F': 611,
+ 'G': 778,
+ 'H': 778,
+ 'I': 389,
+ 'J': 500,
+ 'K': 778,
+ 'L': 667,
+ 'M': 944,
+ 'N': 722,
+ 'O': 778,
+ 'P': 611,
+ 'Q': 778,
+ 'R': 722,
+ 'S': 556,
+ 'T': 667,
+ 'U': 722,
+ 'V': 722,
+ 'W': 1000,
+ 'X': 722,
+ 'Y': 722,
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+ 'bracketleft': 333,
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+ 'bracketright': 333,
+ 'asciicircum': 581,
+ 'underscore': 500,
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+ 'a': 500,
+ 'b': 556,
+ 'c': 444,
+ 'd': 556,
+ 'e': 444,
+ 'f': 333,
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+ 'i': 278,
+ 'j': 333,
+ 'k': 556,
+ 'l': 278,
+ 'm': 833,
+ 'n': 556,
+ 'o': 500,
+ 'p': 556,
+ 'q': 556,
+ 'r': 444,
+ 's': 389,
+ 't': 333,
+ 'u': 556,
+ 'v': 500,
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+ 'x': 500,
+ 'y': 500,
+ 'z': 444,
+ 'braceleft': 394,
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+ 'braceright': 394,
+ 'asciitilde': 520,
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+ 'cent': 500,
+ 'sterling': 500,
+ 'fraction': 167,
+ 'yen': 500,
+ 'florin': 500,
+ 'section': 500,
+ 'currency': 500,
+ 'quotesingle': 278,
+ 'quotedblleft': 500,
+ 'guillemotleft': 500,
+ 'guilsinglleft': 333,
+ 'guilsinglright': 333,
+ 'fi': 556,
+ 'fl': 556,
+ 'endash': 500,
+ 'dagger': 500,
+ 'daggerdbl': 500,
+ 'periodcentered': 250,
+ 'paragraph': 540,
+ 'bullet': 350,
+ 'quotesinglbase': 333,
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+ 'quotedblright': 500,
+ 'guillemotright': 500,
+ 'ellipsis': 1000,
+ 'perthousand': 1000,
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+ 'acute': 333,
+ 'circumflex': 333,
+ 'tilde': 333,
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+ 'breve': 333,
+ 'dotaccent': 333,
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+ 'Oslash': 778,
+ 'OE': 1000,
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+ 'dotlessi': 278,
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+ 'germandbls': 556,
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+ 'uogonek': 556,
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+ 'copyright': 747,
+ 'Emacron': 667,
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+ 'agrave': 500,
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+ 'multiply': 570,
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+ 'plusminus': 570,
+ 'brokenbar': 220,
+ 'registered': 747,
+ 'Gbreve': 778,
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+ 'greaterequal': 549,
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+ 'onequarter': 750,
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+ 'a193': 836,
+ 'a180': 867,
+ 'a199': 867,
+ 'a181': 696,
+ 'a200': 696,
+ 'a182': 874,
+ 'a201': 874,
+ 'a183': 760,
+ 'a184': 946,
+ 'a197': 771,
+ 'a185': 865,
+ 'a194': 771,
+ 'a198': 888,
+ 'a186': 967,
+ 'a195': 888,
+ 'a187': 831,
+ 'a188': 873,
+ 'a189': 927,
+ 'a190': 970,
+ 'a191': 918
+ }
+};
diff --git a/pdf.js b/pdf.js
index 90aa0a989..d5a651d24 100644
--- a/pdf.js
+++ b/pdf.js
@@ -4197,8 +4197,31 @@ var PartialEvaluator = (function() {
extractEncoding: function(dict, xref, properties) {
var type = properties.type;
if (properties.composite) {
- // XXX only CIDFontType2 supported for now
if (type == 'CIDFontType2') {
+ var defaultWidth = xref.fetchIfRef(dict.get('DW')) || 1000;
+ properties.defaultWidth = defaultWidth;
+
+ var glyphsWidths = {};
+ var widths = xref.fetchIfRef(dict.get('W'));
+ if (widths) {
+ var start = 0, end = 0;
+ for (var i = 0; i < widths.length; i++) {
+ var code = widths[i];
+ if (IsArray(code)) {
+ for (var j = 0; j < code.length; j++)
+ glyphsWidths[start++] = code[j];
+ start = 0;
+ } else if (start) {
+ for (var j = start; j <= code; j++)
+ glyphsWidths[j] = widths[++i];
+ start = 0;
+ } else {
+ start = code;
+ }
+ }
+ }
+ properties.widths = glyphsWidths;
+
var cidToGidMap = dict.get('CIDToGIDMap');
if (!cidToGidMap || !IsRef(cidToGidMap))
return GlyphsUnicode;
@@ -4211,15 +4234,16 @@ var PartialEvaluator = (function() {
var encoding = properties.encoding;
// Set encoding 0 to later verify the font has an encoding
- encoding[0] = { unicode: 0 };
+ encoding[0] = { unicode: 0, width: 0 };
for (var j = 0; j < glyphsData.length; j++) {
var glyphID = (glyphsData[j++] << 8) | glyphsData[j];
if (glyphID == 0)
continue;
- encoding[j >> 1] = {
+ var code = j >> 1;
+ encoding[code] = {
unicode: glyphID,
- width: 0
+ width: glyphsWidths[code] || defaultWidth
};
}
} else if (type == 'CIDFontType0') {
@@ -4287,22 +4311,24 @@ var PartialEvaluator = (function() {
var glyphs = {};
for (var i = firstChar; i <= lastChar; i++) {
var glyph = differences[i] || baseEncoding[i];
- if (glyph) {
- var index = GlyphsUnicode[glyph] || i;
- glyphs[glyph] = map[i] = {
- unicode: index,
- width: properties.widths[i - firstChar] || properties.defaultWidth
- };
+ var index = GlyphsUnicode[glyph] || i;
+ var width = properties.widths[i] || properties.widths[glyph];
+ map[i] = {
+ unicode: index,
+ width: width || properties.defaultWidth
+ };
- // If there is no file, the character mapping can't be modified
- // but this is unlikely that there is any standard encoding with
- // chars below 0x1f, so that's fine.
- if (!properties.file)
- continue;
+ if (glyph)
+ glyphs[glyph] = map[i];
- if (index <= 0x1f || (index >= 127 && index <= 255))
- map[i].unicode += kCmapGlyphOffset;
- }
+ // If there is no file, the character mapping can't be modified
+ // but this is unlikely that there is any standard encoding with
+ // chars below 0x1f, so that's fine.
+ if (!properties.file)
+ continue;
+
+ if (index <= 0x1f || (index >= 127 && index <= 255))
+ map[i].unicode += kCmapGlyphOffset;
}
if (type == 'TrueType' && dict.has('ToUnicode') && differences) {
@@ -4339,10 +4365,9 @@ var PartialEvaluator = (function() {
var endRange = tokens[j + 1];
var code = tokens[j + 2];
while (startRange < endRange) {
- map[startRange] = {
- unicode: code++,
- width: 0
- }
+ var mapping = map[startRange] || {};
+ mapping.unicode = code++;
+ map[startRange] = mapping;
++startRange;
}
}
@@ -4353,10 +4378,9 @@ var PartialEvaluator = (function() {
for (var j = 0; j < tokens.length; j += 2) {
var index = tokens[j];
var code = tokens[j + 1];
- map[index] = {
- unicode: code,
- width: 0
- };
+ var mapping = map[index] || {};
+ mapping.unicode = code;
+ map[index] = mapping;
}
break;
@@ -4425,7 +4449,8 @@ var PartialEvaluator = (function() {
}
// Before PDF 1.5 if the font was one of the base 14 fonts, having a
- // FontDescriptor was not required. This case is here for compatibility.
+ // FontDescriptor was not required.
+ // This case is here for compatibility.
var descriptor = xref.fetchIfRef(dict.get('FontDescriptor'));
if (!descriptor) {
var baseFontName = dict.get('BaseFont');
@@ -4445,11 +4470,18 @@ var PartialEvaluator = (function() {
}
}
+ var defaultWidth = 0;
+ var widths = Metrics[stdFontMap[baseFontName] || baseFontName];
+ if (IsNum(widths)) {
+ defaultWidth = widths;
+ widths = null;
+ }
var properties = {
type: type.name,
encoding: map,
differences: [],
- widths: {},
+ widths: widths,
+ defaultWidth: defaultWidth,
firstChar: 0,
lastChar: 256
};
@@ -4508,13 +4540,13 @@ var PartialEvaluator = (function() {
descent: descriptor.get('Descent'),
xHeight: descriptor.get('XHeight'),
capHeight: descriptor.get('CapHeight'),
- defaultWidth: descriptor.get('MissingWidth') || 0,
+ defaultWidth: parseFloat(descriptor.get('MissingWidth')) || 0,
flags: descriptor.get('Flags'),
italicAngle: descriptor.get('ItalicAngle'),
differences: [],
widths: (function() {
var glyphWidths = {};
- for (var i = 0; i <= widths.length; i++)
+ for (var i = 0; i < widths.length; i++)
glyphWidths[firstChar++] = widths[i];
return glyphWidths;
})(),
@@ -4903,6 +4935,7 @@ var CanvasGraphics = (function() {
showText: function(text) {
var ctx = this.ctx;
var current = this.current;
+ var originalText = text;
ctx.save();
ctx.transform.apply(ctx, current.textMatrix);
@@ -4921,26 +4954,21 @@ var CanvasGraphics = (function() {
text = font.charsToUnicode(text);
}
+ var size = current.fontSize;
var charSpacing = current.charSpacing;
var wordSpacing = current.wordSpacing;
var textHScale = current.textHScale;
- // This is a poor simulation for Arial Narrow while font-stretch
- // is not implemented (bug 3512)
- if (current.font.narrow) {
- textHScale += 0.2;
- charSpacing -= (0.09 * current.fontSize);
- }
-
if (charSpacing != 0 || wordSpacing != 0 || textHScale != 1) {
scaleFactorX *= textHScale;
ctx.scale(1 / textHScale, 1);
var width = 0;
for (var i = 0, ii = text.length; i < ii; ++i) {
- var c = text.charAt(i);
- ctx.fillText(c, 0, 0);
- var charWidth = FontMeasure.measureText(c) + charSpacing;
+ ctx.fillText(text.charAt(i), 0, 0);
+ var c = originalText.charAt(i);
+ var charWidth = FontMeasure.measureText(c, font, size);
+ charWidth += charSpacing;
if (c.charCodeAt(0) == 32)
charWidth += wordSpacing;
ctx.translate(charWidth * scaleFactorX, 0);
@@ -4949,7 +4977,7 @@ var CanvasGraphics = (function() {
current.x += width;
} else {
ctx.fillText(text, 0, 0);
- current.x += FontMeasure.measureText(text);
+ current.x += FontMeasure.measureText(originalText, font, size);
}
this.ctx.restore();
diff --git a/web/viewer.html b/web/viewer.html
index d37270661..a53593df3 100644
--- a/web/viewer.html
+++ b/web/viewer.html
@@ -10,6 +10,7 @@
+
From 0ea9411f69fea09f3d9dc1f45202b00a1cd6f342 Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Fri, 9 Sep 2011 13:32:54 +0200
Subject: [PATCH 04/15] Prevent missing charcode to block the rendering
---
fonts.js | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/fonts.js b/fonts.js
index 3dc33db81..7d0062b6c 100755
--- a/fonts.js
+++ b/fonts.js
@@ -1374,17 +1374,25 @@ var Font = (function Font() {
// loop should never end on the last byte
for (var i = 0; i < length; i++) {
var charcode = int16([chars.charCodeAt(i++), chars.charCodeAt(i)]);
- var unicode = encoding[charcode].unicode;
+ var unicode = encoding[charcode];
+ if ('undefined' == typeof(unicode)) {
+ warn('Unencoded charcode ' + charcode);
+ unicode = charcode;
+ } else {
+ unicode = unicode.unicode;
+ }
str += String.fromCharCode(unicode);
}
}
else {
for (var i = 0; i < chars.length; ++i) {
var charcode = chars.charCodeAt(i);
- var unicode = encoding[charcode].unicode;
+ var unicode = encoding[charcode];
if ('undefined' == typeof(unicode)) {
warn('Unencoded charcode ' + charcode);
unicode = charcode;
+ } else {
+ unicode = unicode.unicode;
}
// Handle surrogate pairs
From a89e7331f437cbb30cbd8b18f2e121320bfc8d9a Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Fri, 9 Sep 2011 14:26:24 +0200
Subject: [PATCH 05/15] Add a comment for using unit-per-em in the
measureText() method
---
fonts.js | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fonts.js b/fonts.js
index 7d0062b6c..307393fa4 100755
--- a/fonts.js
+++ b/fonts.js
@@ -155,7 +155,9 @@ var FontMeasure = (function FontMeasure() {
var charWidth = parseFloat(font.encoding[charcode].width);
width += charWidth;
}
- width = width * size / 1000;
+ // XXX should use the unit-per-em value from the embedded font
+ var unitsPerEm = 1000;
+ width = width * size / unitsPerEm;
} catch(e) {
width = ctx.measureText(text).width / kScalePrecision;
}
From 841fabd4e99214f63f1a0e504e0ac53cec68956c Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Fri, 9 Sep 2011 14:38:09 +0200
Subject: [PATCH 06/15] Fix wrong spacing for format 6
---
fonts.js | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fonts.js b/fonts.js
index 307393fa4..a7fb509d0 100755
--- a/fonts.js
+++ b/fonts.js
@@ -1033,7 +1033,7 @@ var Font = (function Font() {
var index = firstCode;
for (var j = start; j <= end; j++) {
var code = j - firstCode - 1;
- var mapping = encoding[index + 1] || {};
+ var mapping = encoding[index] || {};
mapping.unicode = glyphs[code].unicode;
encoding[index++] = mapping;
}
From 5cb2a07b3d224e40874bb9d96173eb6ce2fdc6ab Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Fri, 9 Sep 2011 16:37:56 +0200
Subject: [PATCH 07/15] Fix an issue with the vhea/vmtx tables
---
fonts.js | 66 ++++++++++++++++++++++++++++++++++++++------------------
1 file changed, 45 insertions(+), 21 deletions(-)
diff --git a/fonts.js b/fonts.js
index a7fb509d0..32de47c56 100755
--- a/fonts.js
+++ b/fonts.js
@@ -1032,9 +1032,9 @@ var Font = (function Font() {
var end = denseRange[1];
var index = firstCode;
for (var j = start; j <= end; j++) {
- var code = j - firstCode - 1;
+ var code = glyphs[j - start];
var mapping = encoding[index] || {};
- mapping.unicode = glyphs[code].unicode;
+ mapping.unicode = code.unicode;
encoding[index++] = mapping;
}
return cmap.data = createCMapTable(glyphs);
@@ -1043,6 +1043,39 @@ var Font = (function Font() {
return cmap.data;
};
+ function sanitizeMetrics(font, header, metrics, numGlyphs) {
+ if (!header && !metrics)
+ return;
+
+ // The vhea/vmtx tables are not required, so it happens that
+ // some fonts embed a vmtx table without a vhea table. In this
+ // situation the sanitizer assume numOfLongVerMetrics = 1. As
+ // a result it tries to read numGlyphs - 1 SHORT from the vmtx
+ // table, and if it is not possible, the font is rejected.
+ // So remove the vmtx table if there is no vhea table.
+ if (!header && metrics) {
+ metrics.data = null;
+ return;
+ }
+
+ font.pos = (font.start ? font.start : 0) + header.offset;
+ font.pos += header.length - 2;
+ var numOfMetrics = int16(font.getBytes(2));
+
+ var numOfSidebearings = numGlyphs - numOfMetrics;
+ var numMissing = numOfSidebearings -
+ ((hmtx.length - numOfMetrics * 4) >> 1);
+ if (numMissing > 0) {
+ font.pos = (font.start ? font.start : 0) + metrics.offset;
+ var entries = '';
+ for (var i = 0; i < hmtx.length; i++)
+ entries += String.fromCharCode(font.getByte());
+ for (var i = 0; i < numMissing; i++)
+ entries += '\x00\x00';
+ metrics.data = stringToArray(entries);
+ }
+ };
+
// Check that required tables are present
var requiredTables = ['OS/2', 'cmap', 'head', 'hhea',
'hmtx', 'maxp', 'name', 'post'];
@@ -1050,7 +1083,7 @@ var Font = (function Font() {
var header = readOpenTypeHeader(font);
var numTables = header.numTables;
- var cmap, maxp, hhea, hmtx;
+ var cmap, maxp, hhea, hmtx, vhea, vmtx;
var tables = [];
for (var i = 0; i < numTables; i++) {
var table = readTableEntry(font);
@@ -1066,6 +1099,11 @@ var Font = (function Font() {
hmtx = table;
requiredTables.splice(index, 1);
+ } else {
+ if (table.tag == 'vmtx')
+ vmtx = table;
+ else if (table.tag == 'vhea')
+ vhea = table;
}
tables.push(table);
}
@@ -1091,28 +1129,14 @@ var Font = (function Font() {
});
}
- // Ensure the hmtx tables contains an advance width and a sidebearing
- // for the number of glyphs declared in the maxp table
+ // Ensure the [h/v]mtx tables contains the advance width and
+ // sidebearings information for numGlyphs in the maxp table
font.pos = (font.start ? font.start : 0) + maxp.offset;
var version = int16(font.getBytes(4));
var numGlyphs = int16(font.getBytes(2));
- font.pos = (font.start ? font.start : 0) + hhea.offset;
- font.pos += hhea.length - 2;
- var numOfHMetrics = int16(font.getBytes(2));
-
- var numOfSidebearings = numGlyphs - numOfHMetrics;
- var numMissing = numOfSidebearings -
- ((hmtx.length - numOfHMetrics * 4) >> 1);
- if (numMissing > 0) {
- font.pos = (font.start ? font.start : 0) + hmtx.offset;
- var metrics = '';
- for (var i = 0; i < hmtx.length; i++)
- metrics += String.fromCharCode(font.getByte());
- for (var i = 0; i < numMissing; i++)
- metrics += '\x00\x00';
- hmtx.data = stringToArray(metrics);
- }
+ sanitizeMetrics(font, hhea, hmtx, numGlyphs);
+ sanitizeMetrics(font, vhea, vmtx, numGlyphs);
// Sanitizer reduces the glyph advanceWidth to the maxAdvanceWidth
// Sometimes it's 0. That needs to be fixed
From 6329f89982ba7d9e9c80a30fdfb55f57c5054d03 Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Sat, 10 Sep 2011 13:41:07 +0200
Subject: [PATCH 08/15] Simplify the cmap format 6 conversion - fix #449
---
fonts.js | 44 +++++++++-----------------------------------
1 file changed, 9 insertions(+), 35 deletions(-)
diff --git a/fonts.js b/fonts.js
index 32de47c56..9f835f9bc 100755
--- a/fonts.js
+++ b/fonts.js
@@ -1001,43 +1001,17 @@ var Font = (function Font() {
var entryCount = int16(font.getBytes(2));
var glyphs = [];
- var min = 0xffff, max = 0;
- for (var j = 0; j < entryCount; j++) {
- var charcode = int16(font.getBytes(2));
- if (!charcode)
- continue;
- glyphs.push(charcode);
+ var ids = [];
+ for (var j = 0; j < firstCode + entryCount; j++) {
+ var code = (j >= firstCode) ? int16(font.getBytes(2)) : j;
+ glyphs.push({ unicode: j + kCmapGlyphOffset });
+ ids.push(code);
- if (charcode < min)
- min = charcode;
- if (charcode > max)
- max = charcode;
+ var mapping = encoding[j] || {};
+ mapping.unicode = glyphs[j].unicode;
+ encoding[j] = mapping;
}
-
- // Since Format 6 is a dense array, check for gaps
- for (var j = min; j < max; j++) {
- if (glyphs.indexOf(j) == -1)
- glyphs.push(j);
- }
-
- for (var j = 0; j < glyphs.length; j++)
- glyphs[j] = { unicode: glyphs[j] + firstCode };
-
- var ranges = getRanges(glyphs);
- assert(ranges.length == 1, 'Got ' + ranges.length +
- ' ranges in a dense array');
-
- var denseRange = ranges[0];
- var start = denseRange[0];
- var end = denseRange[1];
- var index = firstCode;
- for (var j = start; j <= end; j++) {
- var code = glyphs[j - start];
- var mapping = encoding[index] || {};
- mapping.unicode = code.unicode;
- encoding[index++] = mapping;
- }
- return cmap.data = createCMapTable(glyphs);
+ return cmap.data = createCMapTable(glyphs, ids);
}
}
return cmap.data;
From 001ca071f03605c1b262c6cbe52793b142a12ace Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Sat, 10 Sep 2011 14:27:04 +0200
Subject: [PATCH 09/15] Fix a small bug about how 'W' widths array is parsed
---
pdf.js | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/pdf.js b/pdf.js
index d5a651d24..18f93dcf8 100644
--- a/pdf.js
+++ b/pdf.js
@@ -4212,8 +4212,9 @@ var PartialEvaluator = (function() {
glyphsWidths[start++] = code[j];
start = 0;
} else if (start) {
+ var width = widths[++i];
for (var j = start; j <= code; j++)
- glyphsWidths[j] = widths[++i];
+ glyphsWidths[j] = width;
start = 0;
} else {
start = code;
@@ -4614,7 +4615,7 @@ function ScratchCanvas(width, height) {
}
var CanvasGraphics = (function() {
- var kScalePrecision = 50;
+ var kScalePrecision = 50.0;
var kRasterizerMin = 14;
function constructor(canvasCtx, imageCanvas) {
From 574bc87741e959cd7c70d14e73852760712bcf17 Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Sat, 10 Sep 2011 14:50:46 +0200
Subject: [PATCH 10/15] Fix a small Type1 encoding parsing error that cause the
first Type1 font of the Type1 spec to be rejected
---
fonts.js | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fonts.js b/fonts.js
index 9f835f9bc..381f81018 100755
--- a/fonts.js
+++ b/fonts.js
@@ -1845,10 +1845,10 @@ var Type1Parser = function() {
if (token == 'dup') {
var index = parseInt(getToken(), 10);
var glyph = getToken();
-
+
if ('undefined' == typeof(properties.differences[index])) {
var mapping = properties.encoding[index] || {};
- mapping.unicode = GlyphsUnicode[glyph] || j;
+ mapping.unicode = GlyphsUnicode[glyph] || index;
properties.glyphs[glyph] = properties.encoding[index] = mapping;
}
getToken(); // read the in 'put'
From 6a518d53febf4f974d81370a01a708219e829a98 Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Sat, 10 Sep 2011 16:47:58 +0200
Subject: [PATCH 11/15] Be more generic for bold/italic rules
---
fonts.js | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fonts.js b/fonts.js
index 381f81018..6759e853a 100755
--- a/fonts.js
+++ b/fonts.js
@@ -479,13 +479,13 @@ var Font = (function Font() {
// The file data is not specified. Trying to fix the font name
// to be used with the canvas.font.
var fontName = stdFontMap[name] || name.replace('_', '-');
- this.bold = (fontName.indexOf('Bold') != -1);
- this.italic = (fontName.indexOf('Oblique') != -1) ||
- (fontName.indexOf('Italic') != -1);
+ this.bold = (fontName.search(/bold/gi) != -1);
+ this.italic = (fontName.search(/oblique/gi) != -1) ||
+ (fontName.search(/italic/gi) != -1);
// Use 'name' instead of 'fontName' here because the original
// name ArialBlack for example will be replaced by Helvetica.
- this.black = (name.indexOf("Black") != -1)
+ this.black = (name.search(/Black/g) != -1)
this.loadedName = fontName.split('-')[0];
this.loading = false;
From 26a6b9763b3dd62898ce9c299791dd94196a7dd1 Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Sat, 10 Sep 2011 16:49:40 +0200
Subject: [PATCH 12/15] Be more generic for serif/sans-serif rule
---
fonts.js | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fonts.js b/fonts.js
index 6759e853a..878d3c9ef 100755
--- a/fonts.js
+++ b/fonts.js
@@ -465,7 +465,7 @@ var Font = (function Font() {
var names = name.split("+");
names = names.length > 1 ? names[1] : names[0];
names = names.split(/[-,_]/g)[0];
- this.serif = serifFonts[names] || (name.indexOf("Serif") != -1);
+ this.serif = serifFonts[names] || (name.search(/serif/gi) != -1);
// If the font is to be ignored, register it like an already loaded font
// to avoid the cost of waiting for it be be loaded by the platform.
From 13bf137220394104fd1e79899fa98d9e5ede21a6 Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Sat, 10 Sep 2011 19:40:25 +0200
Subject: [PATCH 13/15] Draw glyphs one by one to position them correctly and
remove all the scaling hack
---
fonts.js | 61 ++++------------------------------------------------
pdf.js | 65 +++++++++++++++++++++++---------------------------------
2 files changed, 30 insertions(+), 96 deletions(-)
diff --git a/fonts.js b/fonts.js
index 878d3c9ef..d283fc3d8 100755
--- a/fonts.js
+++ b/fonts.js
@@ -114,60 +114,6 @@ var serifFonts = {
'Wide Latin': true, 'Windsor': true, 'XITS': true
};
-var FontMeasure = (function FontMeasure() {
- var kScalePrecision = 30;
- var ctx = document.createElement('canvas').getContext('2d');
- ctx.scale(1 / kScalePrecision, 1);
-
- var current;
- var measureCache;
-
- return {
- setActive: function fonts_setActive(font, size) {
- if (current == font) {
- var sizes = current.sizes;
- if (!(measureCache = sizes[size]))
- measureCache = sizes[size] = Object.create(null);
- } else {
- measureCache = null;
- }
-
- var name = font.loadedName;
- var bold = font.bold ? 'bold' : 'normal';
- var italic = font.italic ? 'italic' : 'normal';
- size *= kScalePrecision;
- var rule = italic + ' ' + bold + ' ' + size + 'px "' + name + '"';
- ctx.font = rule;
- current = font;
- },
- measureText: function fonts_measureText(text, font, size) {
- var width;
- if (measureCache && (width = measureCache[text]))
- return width;
-
- try {
- width = 0.0;
- var composite = font.composite;
- for (var i = 0; i < text.length; i++) {
- var charcode = composite ?
- ((text.charCodeAt(i++) << 8) + text.charCodeAt(i)) :
- text.charCodeAt(i);
- var charWidth = parseFloat(font.encoding[charcode].width);
- width += charWidth;
- }
- // XXX should use the unit-per-em value from the embedded font
- var unitsPerEm = 1000;
- width = width * size / unitsPerEm;
- } catch(e) {
- width = ctx.measureText(text).width / kScalePrecision;
- }
- if (measureCache)
- measureCache[text] = width;
- return width;
- }
- };
-})();
-
var FontLoader = {
listeningForFontLoad: false,
@@ -1142,9 +1088,10 @@ var Font = (function Font() {
// so create an identity encoding
var widths = properties.widths;
for (i = 0; i < numGlyphs; i++) {
+ var width = widths[i];
encoding[i] = {
unicode: i + kCmapGlyphOffset,
- width: widths[i] || properties.defaultWidth
+ width: IsNum(width) ? width : properties.defaultWidth
};
}
} else {
@@ -2360,13 +2307,13 @@ var Type2CFF = (function() {
if (code == -1)
index = code = mapping.unicode || index;
- var width = mapping.width || defaultWidth;
if (code <= 0x1f || (code >= 127 && code <= 255))
code += kCmapGlyphOffset;
+ var width = mapping.width;
properties.glyphs[glyph] = properties.encoding[index] = {
unicode: code,
- width: width
+ width: IsNum(width) ? width : defaultWidth
};
charstrings.push({
diff --git a/pdf.js b/pdf.js
index 18f93dcf8..272a9f28e 100644
--- a/pdf.js
+++ b/pdf.js
@@ -4242,9 +4242,10 @@ var PartialEvaluator = (function() {
continue;
var code = j >> 1;
+ var width = glyphsWidths[code];
encoding[code] = {
unicode: glyphID,
- width: glyphsWidths[code] || defaultWidth
+ width: IsNum(width) ? width : defaultWidth
};
}
} else if (type == 'CIDFontType0') {
@@ -4316,7 +4317,7 @@ var PartialEvaluator = (function() {
var width = properties.widths[i] || properties.widths[glyph];
map[i] = {
unicode: index,
- width: width || properties.defaultWidth
+ width: IsNum(width) ? width : properties.defaultWidth
};
if (glyph)
@@ -4615,9 +4616,6 @@ function ScratchCanvas(width, height) {
}
var CanvasGraphics = (function() {
- var kScalePrecision = 50.0;
- var kRasterizerMin = 14;
-
function constructor(canvasCtx, imageCanvas) {
this.ctx = canvasCtx;
this.current = new CanvasExtraState();
@@ -4878,22 +4876,13 @@ var CanvasGraphics = (function() {
return;
var fontObj = font.fontObj;
- var name = fontObj.loadedName;
- if (!name) {
- // TODO: fontDescriptor is not available, fallback to default font
- name = 'sans-serif';
- }
-
this.current.font = fontObj;
this.current.fontSize = size;
+ var name = fontObj.loadedName || 'sans-serif';
if (this.ctx.$setFont) {
this.ctx.$setFont(name, size);
} else {
- FontMeasure.setActive(fontObj, size);
-
- size = (size <= kRasterizerMin) ? size * kScalePrecision : size;
-
var bold = fontObj.black ? (fontObj.bold ? 'bolder' : 'bold') :
(fontObj.bold ? 'bold' : 'normal');
@@ -4944,42 +4933,40 @@ var CanvasGraphics = (function() {
ctx.translate(current.x, -1 * current.y);
- var scaleFactorX = 1, scaleFactorY = 1;
var font = current.font;
if (font) {
- if (current.fontSize <= kRasterizerMin) {
- scaleFactorX = scaleFactorY = kScalePrecision;
- ctx.scale(1 / scaleFactorX, 1 / scaleFactorY);
- }
ctx.transform.apply(ctx, font.textMatrix || IDENTITY_MATRIX);
text = font.charsToUnicode(text);
}
- var size = current.fontSize;
+ var composite = font.composite;
+ var encoding = font.encoding;
+ var fontSize = current.fontSize;
var charSpacing = current.charSpacing;
var wordSpacing = current.wordSpacing;
var textHScale = current.textHScale;
+ ctx.scale(1 / textHScale, 1);
- if (charSpacing != 0 || wordSpacing != 0 || textHScale != 1) {
- scaleFactorX *= textHScale;
- ctx.scale(1 / textHScale, 1);
- var width = 0;
-
- for (var i = 0, ii = text.length; i < ii; ++i) {
- ctx.fillText(text.charAt(i), 0, 0);
- var c = originalText.charAt(i);
- var charWidth = FontMeasure.measureText(c, font, size);
- charWidth += charSpacing;
- if (c.charCodeAt(0) == 32)
- charWidth += wordSpacing;
- ctx.translate(charWidth * scaleFactorX, 0);
- width += charWidth;
+ var width = 0;
+ for (var i = 0; i < text.length; i++) {
+ if (composite) {
+ var position = i * 2 + 1;
+ var charcode = (originalText.charCodeAt(position - 1) << 8) +
+ originalText.charCodeAt(position);
+ } else {
+ var charcode = originalText.charCodeAt(i);
}
- current.x += width;
- } else {
- ctx.fillText(text, 0, 0);
- current.x += FontMeasure.measureText(originalText, font, size);
+
+ var charWidth = font.encoding[charcode].width * fontSize * 0.001;
+ charWidth += charSpacing;
+ if (charcode == 32)
+ charWidth += wordSpacing;
+
+ ctx.fillText(text.charAt(i), 0, 0);
+ ctx.translate(charWidth, 0);
+ width += charWidth;
}
+ current.x += width;
this.ctx.restore();
},
From cf93f2317829f4de9c322579e300174ed19cfe03 Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Sat, 10 Sep 2011 20:00:27 +0200
Subject: [PATCH 14/15] Disable hinting until it works
---
fonts.js | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/fonts.js b/fonts.js
index d283fc3d8..a8498bf59 100755
--- a/fonts.js
+++ b/fonts.js
@@ -12,6 +12,9 @@ var kMaxWaitForFontFace = 1000;
// Unicode Private Use Area
var kCmapGlyphOffset = 0xE000;
+// Until hinting is fully supported this constant can be used
+var kHintingEnabled = false;
+
/**
* Hold a map of decoded fonts and of the standard fourteen Type1
* fonts and their acronyms.
@@ -1526,6 +1529,9 @@ var Type1Parser = function() {
i++;
continue;
}
+ } else if (!kHintingEnabled && (value == 1 || value == 2)) {
+ charstring.push('drop', 'drop', 'drop', 'drop', 'drop', 'drop');
+ continue;
}
command = charStringDictionary['12'][escape];
@@ -1550,6 +1556,9 @@ var Type1Parser = function() {
charstring.push(lsb, 'hmoveto');
continue;
+ } else if (!kHintingEnabled && (value == 1 || value == 3)) {
+ charstring.push('drop', 'drop');
+ continue;
}
command = charStringDictionary[value];
}
From ac163da4c877be93b876563f7898cfa7f474e13e Mon Sep 17 00:00:00 2001
From: Vivien Nicolas <21@vingtetun.org>
Date: Sat, 10 Sep 2011 20:02:42 +0200
Subject: [PATCH 15/15] Fix a small mistake for cmap format 0
---
fonts.js | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fonts.js b/fonts.js
index a8498bf59..a4e16dad5 100755
--- a/fonts.js
+++ b/fonts.js
@@ -934,7 +934,9 @@ var Font = (function Font() {
deltas.push(index);
var unicode = j + kCmapGlyphOffset;
- encoding[j].unicode = unicode;
+ var mapping = encoding[j] || {};
+ mapping.unicode = unicode;
+ encoding[j] = mapping;
glyphs.push({ unicode: unicode });
}
}