FcBool
FcConfigAddCache (FcConfig *config, FcCache *cache,
FcSetName set, FcStrSet *dirSet)
{
FcFontSet *fs;
intptr_t *dirs;
int i;
/*
* Add fonts
*/
fs = FcCacheSet (cache);
if (fs)
{
int nref = 0;
for (i = 0; i < fs->nfont; i++)
{
FcPattern *font = FcFontSetFont (fs, i);
FcChar8 *font_file;
/*
* Check to see if font is banned by filename
*/
if (FcPatternObjectGetString (font, FC_FILE_OBJECT,
0, &font_file) == FcResultMatch &&
!FcConfigAcceptFilename (config, font_file))
{
continue;
}
/*
* Check to see if font is banned by pattern
*/
if (!FcConfigAcceptFont (config, font))
continue;
if (FcFontSetAdd (config->fonts[set], font))
nref++;
}
FcDirCacheReference (cache, nref);
}
/*
* Add directories
*/
dirs = FcCacheDirs (cache);
if (dirs)
{
for (i = 0; i < cache->dirs_count; i++)
{
FcChar8 *dir = FcOffsetToPtr (dirs, dirs[i], FcChar8);
if (FcConfigAcceptFilename (config, dir))
FcStrSetAddFilename (dirSet, dir);
}
}
return FcTrue;
}
FcFontSet *
FcFontSetList (FcConfig *config,
FcFontSet **sets,
int nsets,
FcPattern *p,
FcObjectSet *os)
{
FcFontSet *ret;
FcFontSet *s;
int f;
int set;
FcListHashTable table;
int i;
FcListBucket *bucket;
int destroy_os = 0;
if (!config)
{
if (!FcInitBringUptoDate ())
goto bail0;
config = FcConfigGetCurrent ();
if (!config)
goto bail0;
}
FcListHashTableInit (&table);
if (!os)
{
os = FcObjectGetSet ();
destroy_os = 1;
}
/*
* Walk all available fonts adding those that
* match to the hash table
*/
for (set = 0; set < nsets; set++)
{
s = sets[set];
if (!s)
continue;
for (f = 0; f < s->nfont; f++)
if (FcListPatternMatchAny (p, /* pattern */
s->fonts[f])) /* font */
{
FcChar8 *lang;
if (FcPatternObjectGetString (p, FC_NAMELANG_OBJECT, 0, &lang) != FcResultMatch)
{
lang = FcGetDefaultLang ();
}
if (!FcListAppend (&table, s->fonts[f], os, lang))
goto bail1;
}
}
#if 0
{
int max = 0;
int full = 0;
int ents = 0;
int len;
for (i = 0; i < FC_LIST_HASH_SIZE; i++)
{
if ((bucket = table.buckets[i]))
{
len = 0;
for (; bucket; bucket = bucket->next)
{
ents++;
len++;
}
if (len > max)
max = len;
full++;
}
}
printf ("used: %d max: %d avg: %g\n", full, max,
(double) ents / FC_LIST_HASH_SIZE);
}
#endif
/*
* Walk the hash table and build
* a font set
*/
ret = FcFontSetCreate ();
if (!ret)
goto bail0;
for (i = 0; i < FC_LIST_HASH_SIZE; i++)
while ((bucket = table.buckets[i]))
{
if (!FcFontSetAdd (ret, bucket->pattern))
goto bail2;
table.buckets[i] = bucket->next;
FcMemFree (FC_MEM_LISTBUCK, sizeof (FcListBucket));
free (bucket);
}
return ret;
bail2:
FcFontSetDestroy (ret);
bail1:
FcListHashTableCleanup (&table);
bail0:
if (destroy_os)
FcObjectSetDestroy (os);
return 0;
}