ZenBrowserMirrors/pdf.js
1
0
Fork 0
mirror of https://github.com/zen-browser/pdf.js.git synced 2025-07-08 17:30:09 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge pull request #2124 from yurydelendik/fallback-font

Browse source 
Provides right fallback fonts for text layer
This commit is contained in:
Brendan Dahl 2012-09-17 10:06:42 -07:00
commit 8dc49a3c9b
5 changed files with 31 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

23
src/evaluator.js
View file

@ -825,21 +825,41 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
}
}
// Heuristic: detection of monospace font by checking all non-zero widths
var isMonospace = true, firstWidth = defaultWidth;
for (var glyph in glyphsWidths) {
var glyphWidth = glyphsWidths[glyph];
if (!glyphWidth)
continue;
if (!firstWidth) {
firstWidth = glyphWidth;
continue;
}
if (firstWidth != glyphWidth) {
isMonospace = false;
break;
}
}
if (isMonospace)
properties.flags |= FontFlags.FixedPitch;
properties.defaultWidth = defaultWidth;
properties.widths = glyphsWidths;
},
getBaseFontMetrics: function PartialEvaluator_getBaseFontMetrics(name) {
var defaultWidth = 0, widths = [];
var defaultWidth = 0, widths = [], monospace = false;
var glyphWidths = Metrics[stdFontMap[name] || name];
if (isNum(glyphWidths)) {
defaultWidth = glyphWidths;
monospace = true;
} else {
widths = glyphWidths;
}
return {
defaultWidth: defaultWidth,
monospace: monospace,
widths: widths
};
},
@ -893,6 +913,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
var fontNameWoStyle = baseFontName.split('-')[0];
var flags = (serifFonts[fontNameWoStyle] ||
(fontNameWoStyle.search(/serif/gi) != -1) ? FontFlags.Serif : 0) |
(metrics.monospace ? FontFlags.FixedPitch : 0) |
(symbolsFonts[fontNameWoStyle] ? FontFlags.Symbolic :
FontFlags.Nonsymbolic);