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(svn r7196) -Feature: use fontconfig so one can set the font family name in openttd.cfg instead of the full path to the font.

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This commit is contained in:
rubidium
2006-11-17 22:15:55 +00:00
parent ff7e46f378
commit 9a8c149321
5 changed files with 138 additions and 28 deletions
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73
fontcache.c
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@@ -18,6 +18,10 @@
#include FT_FREETYPE_H
#include FT_GLYPH_H
#ifdef WITH_FONTCONFIG
#include <fontconfig/fontconfig.h>
#endif
static FT_Library _library = NULL;
static FT_Face _face_small = NULL;
static FT_Face _face_medium = NULL;
@@ -31,6 +35,12 @@ enum {
};
/**
* Loads the freetype font.
* First type to load the fontname as if it were a path. If that fails,
* try to resolve the filename of the font using fontconfig, where the
* format is 'font family name' or 'font family name, font style'.
*/
static void LoadFreeTypeFont(const char *font_name, FT_Face *face, const char *type)
{
FT_Error error;
@@ -38,6 +48,69 @@ static void LoadFreeTypeFont(const char *font_name, FT_Face *face, const char *t
if (strlen(font_name) == 0) return;
error = FT_New_Face(_library, font_name, 0, face);
#ifdef WITH_FONTCONFIG
/* Failed to load the font, so try it with fontconfig */
if (error != FT_Err_Ok) {
if (!FcInit()) {
ShowInfoF("Unable to load font configuration");
} else {
FcPattern *match;
FcPattern *pat;
FcFontSet *fs;
FcResult result;
char *font_style;
char *font_family;
/* Split & strip the font's style */
font_family = strdup(font_name);
font_style = strchr(font_family, ',');
if (font_style != NULL) {
font_style[0] = '\0';
font_style++;
while (*font_style == ' ' || *font_style == '\t') font_style++;
}
/* Resolve the name and populate the information structure */
pat = FcNameParse((FcChar8*)font_family);
if (font_style != NULL) FcPatternAddString(pat, FC_STYLE, (FcChar8*)font_style);
FcConfigSubstitute(0, pat, FcMatchPattern);
FcDefaultSubstitute(pat);
fs = FcFontSetCreate();
match = FcFontMatch(0, pat, &result);
if (fs != NULL && match != NULL) {
int i;
FcChar8 *family;
FcChar8 *style;
FcChar8 *file;
FcFontSetAdd(fs, match);
for (i = 0; error != FT_Err_Ok && i < fs->nfont; i++) {
/* Try the new filename */
if (FcPatternGetString(fs->fonts[i], FC_FILE, 0, &file) == FcResultMatch &&
FcPatternGetString(fs->fonts[i], FC_FAMILY, 0, &family) == FcResultMatch &&
FcPatternGetString(fs->fonts[i], FC_STYLE, 0, &style) == FcResultMatch) {
/* The correct style? */
if (font_style != NULL && strcasecmp(font_style, (char*)style) != 0) continue;
/* Font config takes the best shot, which, if the family name is spelled
* wrongly a 'random' font, so check whether the family name is the
* same as the supplied name */
if (strcasecmp(font_family, (char*)family) == 0) {
error = FT_New_Face(_library, (char *)file, 0, face);
}
}
}
}
free(font_family);
FcPatternDestroy(pat);
FcFontSetDestroy(fs);
FcFini();
}
}
#endif
if (error == FT_Err_Ok) {
/* Attempt to select the unicode character map */
error = FT_Select_Charmap(*face, ft_encoding_unicode);