static int
scanDirs (FcStrList *list, FcConfig *config, FcBool force, FcBool really_force, FcBool verbose, int *changed)
{
int ret = 0;
const FcChar8 *dir;
FcStrSet *subdirs;
FcStrList *sublist;
FcCache *cache;
struct stat statb;
FcBool was_valid;
int i;
/*
* Now scan all of the directories into separate databases
* and write out the results
*/
while ((dir = FcStrListNext (list)))
{
if (verbose)
{
printf ("%s: ", dir);
fflush (stdout);
}
if (!dir)
{
if (verbose)
printf ("skipping, no such directory\n");
continue;
}
if (FcStrSetMember (processed_dirs, dir))
{
if (verbose)
printf ("skipping, looped directory detected\n");
continue;
}
if (stat ((char *) dir, &statb) == -1)
{
switch (errno) {
case ENOENT:
case ENOTDIR:
if (verbose)
printf ("skipping, no such directory\n");
break;
default:
fprintf (stderr, "\"%s\": ", dir);
perror ("");
ret++;
break;
}
continue;
}
if (!S_ISDIR (statb.st_mode))
{
fprintf (stderr, "\"%s\": not a directory, skipping\n", dir);
continue;
}
if (really_force)
FcDirCacheUnlink (dir, config);
cache = NULL;
was_valid = FcFalse;
if (!force) {
cache = FcDirCacheLoad (dir, config, NULL);
if (cache)
was_valid = FcTrue;
}
if (!cache)
{
(*changed)++;
cache = FcDirCacheRead (dir, FcTrue, config);
if (!cache)
{
fprintf (stderr, "%s: error scanning\n", dir);
ret++;
continue;
}
}
if (was_valid)
{
if (verbose)
printf ("skipping, existing cache is valid: %d fonts, %d dirs\n",
FcCacheNumFont (cache), FcCacheNumSubdir (cache));
}
else
{
if (verbose)
printf ("caching, new cache contents: %d fonts, %d dirs\n",
FcCacheNumFont (cache), FcCacheNumSubdir (cache));
if (!FcDirCacheValid (dir))
{
fprintf (stderr, "%s: failed to write cache\n", dir);
(void) FcDirCacheUnlink (dir, config);
ret++;
}
}
subdirs = FcStrSetCreate ();
if (!subdirs)
{
fprintf (stderr, "%s: Can't create subdir set\n", dir);
ret++;
FcDirCacheUnload (cache);
continue;
}
for (i = 0; i < FcCacheNumSubdir (cache); i++)
FcStrSetAdd (subdirs, FcCacheSubdir (cache, i));
FcDirCacheUnload (cache);
sublist = FcStrListCreate (subdirs);
FcStrSetDestroy (subdirs);
if (!sublist)
{
fprintf (stderr, "%s: Can't create subdir list\n", dir);
ret++;
continue;
}
FcStrSetAdd (processed_dirs, dir);
ret += scanDirs (sublist, config, force, really_force, verbose, changed);
}
FcStrListDone (list);
return ret;
}
/**
* \brief Init fontconfig.
* \param library libass library object
* \param ftlibrary freetype library object
* \param family default font family
* \param path default font path
* \return pointer to fontconfig private data
*/
fc_instance_t* fontconfig_init(ass_library_t* library, FT_Library ftlibrary, const char* family, const char* path)
{
int rc;
fc_instance_t* priv = calloc(1, sizeof(fc_instance_t));
const char* dir = library->fonts_dir;
int i;
rc = FcInit();
assert(rc);
priv->config = FcConfigGetCurrent();
if (!priv->config) {
mp_msg(MSGT_ASS, MSGL_FATAL, MSGTR_LIBASS_FcInitLoadConfigAndFontsFailed);
return 0;
}
for (i = 0; i < library->num_fontdata; ++i)
process_fontdata(priv, library, ftlibrary, i);
if (FcDirCacheValid((const FcChar8 *)dir) == FcFalse)
{
mp_msg(MSGT_ASS, MSGL_INFO, MSGTR_LIBASS_UpdatingFontCache);
if (FcGetVersion() >= 20390 && FcGetVersion() < 20400)
mp_msg(MSGT_ASS, MSGL_WARN,
MSGTR_LIBASS_BetaVersionsOfFontconfigAreNotSupported);
// FontConfig >= 2.4.0 updates cache automatically in FcConfigAppFontAddDir()
if (FcGetVersion() < 20390) {
FcFontSet* fcs;
FcStrSet* fss;
fcs = FcFontSetCreate();
fss = FcStrSetCreate();
rc = FcStrSetAdd(fss, (const FcChar8*)dir);
if (!rc) {
mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_FcStrSetAddFailed);
goto ErrorFontCache;
}
rc = FcDirScan(fcs, fss, NULL, FcConfigGetBlanks(priv->config), (const FcChar8 *)dir, FcFalse);
if (!rc) {
mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_FcDirScanFailed);
goto ErrorFontCache;
}
rc = FcDirSave(fcs, fss, (const FcChar8 *)dir);
if (!rc) {
mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_FcDirSave);
goto ErrorFontCache;
}
ErrorFontCache:
;
}
}
rc = FcConfigAppFontAddDir(priv->config, (const FcChar8*)dir);
if (!rc) {
mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_FcConfigAppFontAddDirFailed);
}
priv->family_default = family ? strdup(family) : 0;
priv->path_default = path ? strdup(path) : 0;
priv->index_default = 0;
return priv;
}