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Load thumbnails from cache

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Bert 2011-04-07 15:05:17 +02:00
parent c21a3e3f28
commit 1d0f51f95a
1 changed files with 30 additions and 7 deletions
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37
thumbs.c
View file

@ -31,6 +31,7 @@ extern Imlib_Image *im_invalid;
const int thumb_dim = THUMB_SIZE + 10;
int tns_cache_enabled();
Imlib_Image* tns_cache_load(const char*);
void tns_cache_write(thumb_t*, Bool);
void tns_init(tns_t *tns, int cnt) {
@ -87,7 +88,8 @@ void tns_load(tns_t *tns, win_t *win, int n, const char *filename) {
imlib_free_image();
}
if ((im = imlib_load_image(filename)))
if ((tns_cache_enabled() && (im = tns_cache_load(filename))) ||
(im = imlib_load_image(filename)))
imlib_context_set_image(im);
else
imlib_context_set_image(im_invalid);
@ -346,6 +348,29 @@ char* tns_cache_filename(const char *filename) {
return cfile;
}
Imlib_Image* tns_cache_load(const char *filename) {
char *cfile;
struct stat cstats, fstats;
Imlib_Image *im = NULL;
if (!filename || stat(filename, &fstats))
return NULL;
if ((cfile = tns_cache_filename(filename))) {
if (!stat(cfile, &cstats) &&
cstats.st_mtim.tv_sec == fstats.st_mtim.tv_sec &&
cstats.st_mtim.tv_nsec == fstats.st_mtim.tv_nsec)
{
printf("cache hit: %s\n", filename);
im = imlib_load_image(cfile);
} else
printf("cache MISS: %s\n", filename);
free(cfile);
}
return im;
}
void tns_cache_write(thumb_t *t, Bool force) {
char *cfile;
struct stat cstats, fstats;
@ -354,11 +379,10 @@ void tns_cache_write(thumb_t *t, Bool force) {
if (!t || !t->im || !t->filename)
return;
if (stat(t->filename, &fstats))
return;
if ((cfile = tns_cache_filename(t->filename))) {
if (stat(t->filename, &fstats))
goto end;
if (force || stat(cfile, &cstats) ||
cstats.st_mtim.tv_sec != fstats.st_mtim.tv_sec ||
cstats.st_mtim.tv_nsec != fstats.st_mtim.tv_nsec)
@ -373,10 +397,9 @@ void tns_cache_write(thumb_t *t, Bool force) {
TIMESPEC_TO_TIMEVAL(&times[0], &fstats.st_atim);
TIMESPEC_TO_TIMEVAL(&times[1], &fstats.st_mtim);
utimes(cfile, times);
printf("thumbnail cache file written: %s\n", t->filename);
}
}
free(cfile);
}
end:
free(cfile);
}