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(svn r23380) -Add: monospace font detection for win32 (also ignore duplicates)

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glx 2011-11-30 17:05:14 +00:00
parent f7705ef8c4
commit 514bc0bc81
1 changed files with 40 additions and 0 deletions
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40
src/fontcache.cpp
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@ -304,20 +304,60 @@ err1:
return ret_font_name == NULL ? WIDE_TO_MB((const TCHAR*)logfont->elfFullName) : ret_font_name;
}
class FontList {
protected:
TCHAR **fonts;
uint items;
uint capacity;
public:
FontList() : fonts(NULL), items(0), capacity(0) { };
~FontList() {
if (this->fonts == NULL) return;
for (uint i = 0; i < this->items; i++) {
free(this->fonts[i]);
}
free(this->fonts);
}
bool Add(const TCHAR *font) {
for (uint i = 0; i < this->items; i++) {
if (_tcscmp(this->fonts[i], font) == 0) return false;
}
if (this->items == this->capacity) {
this->capacity += 10;
this->fonts = ReallocT(this->fonts, this->capacity);
}
this->fonts[this->items++] = _tcsdup(font);
return true;
}
};
struct EFCParam {
FreeTypeSettings *settings;
LOCALESIGNATURE locale;
MissingGlyphSearcher *callback;
FontList fonts;
};
static int CALLBACK EnumFontCallback(const ENUMLOGFONTEX *logfont, const NEWTEXTMETRICEX *metric, DWORD type, LPARAM lParam)
{
EFCParam *info = (EFCParam *)lParam;
/* Skip duplicates */
if (!info->fonts.Add(logfont->elfFullName)) return 1;
/* Only use TrueType fonts */
if (!(type & TRUETYPE_FONTTYPE)) return 1;
/* Don't use SYMBOL fonts */
if (logfont->elfLogFont.lfCharSet == SYMBOL_CHARSET) return 1;
/* Use monospaced fonts when asked for it. */
if (info->callback->Monospace() && (logfont->elfLogFont.lfPitchAndFamily & (FF_MODERN | FIXED_PITCH)) != (FF_MODERN | FIXED_PITCH)) return 1;
/* The font has to have at least one of the supported locales to be usable. */
if ((metric->ntmFontSig.fsCsb[0] & info->locale.lsCsbSupported[0]) == 0 && (metric->ntmFontSig.fsCsb[1] & info->locale.lsCsbSupported[1]) == 0) {