Sakurai/pdf.js
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixing defaultWidth; variables names

Browse Source
This commit is contained in:
notmasteryet 2011-09-15 19:26:32 -05:00
parent 1347db797c
commit 10a2fa66c2
2 changed files with 28 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
fonts.js
View File

@ -472,6 +472,7 @@ var Font = (function Font() {
this.data = data;
this.type = properties.type;
this.textMatrix = properties.textMatrix;
this.defaultWidth = properties.defaultWidth;
this.loadedName = getUniqueName();
this.composite = properties.composite;
this.loading = true;
@ -1298,13 +1299,13 @@ var Font = (function Font() {
charsToGlyphs: function fonts_chars2Glyphs(chars) {
var charsCache = this.charsCache;
var str;
var glyphs;
// if we translated this string before, just grab it from the cache
if (charsCache) {
str = charsCache[chars];
if (str)
return str;
glyphs = charsCache[chars];
if (glyphs)
return glyphs;
}
// lazily create the translation cache
@ -1315,7 +1316,8 @@ var Font = (function Font() {
var encoding = this.encoding;
if (!encoding)
return chars;
var glyphs = [];
glyphs = [];
if (this.composite) {
// composite fonts have multi-byte strings convert the string from
@ -1326,23 +1328,28 @@ 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];
if ('undefined' == typeof(unicode)) {
var glyph = encoding[charcode];
if ('undefined' == typeof(glyph)) {
warn('Unencoded charcode ' + charcode);
unicode = { unicode: charcode };
glyph = { unicode: charcode };
}
glyphs.push(unicode);
glyphs.push(glyph);
// placing null after each word break charcode (ASCII SPACE)
if (charcode == 0x20)
glyphs.push(null);
}
}
else {
for (var i = 0; i < chars.length; ++i) {
var charcode = chars.charCodeAt(i);
var unicode = encoding[charcode];
if ('undefined' == typeof(unicode)) {
var glyph = encoding[charcode];
if ('undefined' == typeof(glyph)) {
warn('Unencoded charcode ' + charcode);
unicode = { unicode: charcode };
glyph = { unicode: charcode };
}
glyphs.push(unicode);
glyphs.push(glyph);
if (charcode == 0x20)
glyphs.push(null);
}
}

15
pdf.js
View File

@ -4294,7 +4294,6 @@ var PartialEvaluator = (function() {
};
}
} else if (type == 'CIDFontType0') {
encoding = xref.fetchIfRef(dict.get('Encoding'));
if (IsName(encoding)) {
// Encoding is a predefined CMap
if (encoding.name == 'Identity-H') {
@ -4521,8 +4520,7 @@ var PartialEvaluator = (function() {
}
}
// TODO implement default widths for standard fonts metrics
var defaultWidth = 1000;
var defaultWidth = 0;
var widths = Metrics[stdFontMap[baseFontName] || baseFontName];
if (IsNum(widths)) {
defaultWidth = widths;
@ -4994,6 +4992,12 @@ var CanvasGraphics = (function() {
var width = 0;
for (var i = 0; i < glyphs.length; i++) {
var glyph = glyphs[i];
if (glyph === null) {
// word break
width += wordSpacing;
continue;
}
var unicode = glyph.unicode;
var char = unicode >= 0x10000 ?
String.fromCharCode(0xD800 | ((unicode - 0x10000) >> 10),
@ -5001,11 +5005,8 @@ var CanvasGraphics = (function() {
var charWidth = (glyph.width || defaultCharWidth) * fontSize * 0.001;
charWidth += charSpacing;
if (unicode == 32)
charWidth += wordSpacing;
ctx.fillText(char, 0, 0);
ctx.translate(charWidth, 0);
ctx.fillText(char, width, 0);
width += charWidth;
}
current.x += width;