diff options
| -rw-r--r-- | thumbs.c | 202 |
1 files changed, 98 insertions, 104 deletions
@@ -32,9 +32,104 @@ extern Imlib_Image *im_invalid; const int thumb_dim = THUMB_SIZE + 10; char *cache_dir = NULL; -int tns_cache_enabled(); -Imlib_Image* tns_cache_load(const char*); -void tns_cache_write(thumb_t*, Bool); +int tns_cache_enabled() { + struct stat stats; + + return cache_dir && !stat(cache_dir, &stats) && S_ISDIR(stats.st_mode) && + !access(cache_dir, W_OK); +} + +char* tns_cache_filename(const char *filename) { + size_t len; + char *cfile = NULL; + const char *abspath; + + if (!cache_dir || !filename) + return NULL; + + if (*filename != '/') { + if (!(abspath = absolute_path(filename))) + return NULL; + } else { + abspath = filename; + } + + if (strncmp(abspath, cache_dir, strlen(cache_dir))) { + len = strlen(cache_dir) + strlen(abspath) + 6; + cfile = (char*) s_malloc(len); + snprintf(cfile, len, "%s/%s.png", cache_dir, abspath + 1); + } + + if (abspath != filename) + free((void*) abspath); + + 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, *dirend; + struct stat cstats, fstats; + struct timeval times[2]; + Imlib_Load_Error err = 0; + + if (!t || !t->im || !t->filename) + return; + if (stat(t->filename, &fstats)) + return; + + if ((cfile = tns_cache_filename(t->filename))) { + 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) + { + if ((dirend = strrchr(cfile, '/'))) { + *dirend = '\0'; + err = r_mkdir(cfile); + *dirend = '/'; + } + + if (!err) { + imlib_context_set_image(t->im); + imlib_image_set_format("png"); + imlib_save_image_with_error_return(cfile, &err); + } + + if (err) { + warn("could not cache thumbnail: %s", t->filename); + } else { + TIMESPEC_TO_TIMEVAL(×[0], &fstats.st_atim); + TIMESPEC_TO_TIMEVAL(×[1], &fstats.st_mtim); + utimes(cfile, times); + printf("thumbnail cache file written: %s\n", t->filename); + } + } + free(cfile); + } +} + void tns_init(tns_t *tns, int cnt) { int len; @@ -314,104 +409,3 @@ int tns_translate(tns_t *tns, int x, int y) { return -1; } - - -/* thumbnail caching */ - -int tns_cache_enabled() { - struct stat stats; - - return cache_dir && !stat(cache_dir, &stats) && S_ISDIR(stats.st_mode) && - !access(cache_dir, W_OK); -} - -char* tns_cache_filename(const char *filename) { - size_t len; - char *cfile = NULL; - const char *abspath; - - if (!cache_dir || !filename) - return NULL; - - if (*filename != '/') { - if (!(abspath = absolute_path(filename))) - return NULL; - } else { - abspath = filename; - } - - if (strncmp(abspath, cache_dir, strlen(cache_dir))) { - len = strlen(cache_dir) + strlen(abspath) + 6; - cfile = (char*) s_malloc(len); - snprintf(cfile, len, "%s/%s.png", cache_dir, abspath + 1); - } - - if (abspath != filename) - free((void*) abspath); - - 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, *dirend; - struct stat cstats, fstats; - struct timeval times[2]; - Imlib_Load_Error err = 0; - - if (!t || !t->im || !t->filename) - return; - if (stat(t->filename, &fstats)) - return; - - if ((cfile = tns_cache_filename(t->filename))) { - 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) - { - if ((dirend = strrchr(cfile, '/'))) { - *dirend = '\0'; - err = create_dir_rec(cfile); - *dirend = '/'; - } - - if (!err) { - imlib_context_set_image(t->im); - imlib_image_set_format("png"); - imlib_save_image_with_error_return(cfile, &err); - } - - if (err) { - warn("could not cache thumbnail: %s", t->filename); - } else { - TIMESPEC_TO_TIMEVAL(×[0], &fstats.st_atim); - TIMESPEC_TO_TIMEVAL(×[1], &fstats.st_mtim); - utimes(cfile, times); - printf("thumbnail cache file written: %s\n", t->filename); - } - } - free(cfile); - } -} |