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Pruning unreachable code; misc font fixes

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notmasteryet 2011-09-11 13:32:08 -05:00
parent faf8b8ac0b
commit eaa5b8dab3
1 changed files with 10 additions and 19 deletions
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pdf.js
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@ -4339,11 +4339,12 @@ var PartialEvaluator = (function() {
// merge in the differences
var firstChar = properties.firstChar;
var lastChar = properties.lastChar;
var widths = properties.widths || [];
var glyphs = {};
for (var i = firstChar; i <= lastChar; i++) {
var glyph = differences[i] || baseEncoding[i];
var index = GlyphsUnicode[glyph] || i;
var width = properties.widths[i] || properties.widths[glyph];
var width = widths[i] || widths[glyph];
map[i] = {
unicode: index,
width: IsNum(width) ? width : properties.defaultWidth
@ -4501,7 +4502,8 @@ var PartialEvaluator = (function() {
}
}
var defaultWidth = 0;
// TODO implement default widths for standard fonts metrics
var defaultWidth = 1000;
var widths = Metrics[stdFontMap[baseFontName] || baseFontName];
if (IsNum(widths)) {
defaultWidth = widths;
@ -4902,7 +4904,7 @@ var CanvasGraphics = (function() {
font = font.get(fontRef.name);
font = this.xref.fetchIfRef(font);
if (!font)
return;
error('Referenced font is not found');
var fontObj = font.fontObj;
this.current.font = fontObj;
@ -4954,27 +4956,16 @@ var CanvasGraphics = (function() {
showText: function(text) {
var ctx = this.ctx;
var current = this.current;
var font = current.font;
ctx.save();
ctx.transform.apply(ctx, current.textMatrix);
ctx.scale(1, -1);
ctx.translate(current.x, -1 * current.y);
ctx.transform.apply(ctx, font.textMatrix || IDENTITY_MATRIX);
var font = current.font;
var glyphs = [];
if (font) {
ctx.transform.apply(ctx, font.textMatrix || IDENTITY_MATRIX);
glyphs = font.charsToGlyphs(text);
} else {
// fallback to simple glyphs
glyphs = [];
for (var i = 0; i < text.length; ++i)
glyphs.push({unicode: text.charCodeAt(i)});
}
var composite = font.composite;
var encoding = font.encoding;
var glyphs = font.charsToGlyphs(text);
var defaultCharWidth = font.defaultWidth;
var fontSize = current.fontSize;
var charSpacing = current.charSpacing;
var wordSpacing = current.wordSpacing;
@ -4989,7 +4980,7 @@ var CanvasGraphics = (function() {
String.fromCharCode(0xD800 | ((unicode - 0x10000) >> 10),
0xDC00 | (unicode & 0x3FF)) : String.fromCharCode(unicode);
var charWidth = glyph.width * fontSize * 0.001;
var charWidth = (glyph.width || defaultCharWidth) * fontSize * 0.001;
charWidth += charSpacing;
if (unicode == 32)
charWidth += wordSpacing;