Create thumbnail cache dir automatically
This commit is contained in:
Bert Münnich
parent
cd02f2dd86
commit
5cfae63620
16
sxiv.1
16
sxiv.1
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@ -27,9 +27,6 @@ sxiv has two modes of operation: image and thumbnail mode. The default is image
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mode, in which only the current image is shown. In thumbnail mode a grid of
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small previews is displayed, making it easy to choose an image to open.
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.P
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sxiv can also cache its thumbnails. Please see the section THUMBNAIL CACHING
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for information on how to enable this feature.
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.P
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Please note, that the fullscreen mode requires an EWMH/NetWM compliant window
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manager.
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.SH OPTIONS
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@ -371,18 +368,13 @@ keysym as listed in /usr/include/X11/keysymdef.h without the "XK_" prefix.
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There is also an example script installed together with sxiv as
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.IR PREFIX/share/sxiv/exec/key-handler .
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.SH THUMBNAIL CACHING
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To enable thumbnail caching, please make sure to create the directory
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.I $XDG_CACHE_HOME/sxiv/
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with write permissions. sxiv will then store all thumbnails inside this
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directory, but it will not create this directory by itself. It rather uses the
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existance of this directory as an affirmation, that the user wants thumbnails
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to be cached.
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sxiv stores all thumbnails under
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.IR $XDG_CACHE_HOME/sxiv/ .
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.P
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Use the command line option
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.I \-c
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to keep the cache directory clean by removing all orphaned cache files.
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Additionally, run the following command afterwards inside the cache directory
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to remove empty subdirectories:
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to remove all orphaned cache files. Additionally, run the following command
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afterwards inside the cache directory to remove empty subdirectories:
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.P
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.RS
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find . \-depth \-type d \-empty ! \-name '.' \-exec rmdir {} \\;
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117
thumbs.c
117
thumbs.c
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@ -36,18 +36,9 @@
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void exif_auto_orientate(const fileinfo_t*);
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#endif
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static char *cache_dir;
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static const int thumb_dim = THUMB_SIZE + 10;
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static char *cache_dir = NULL;
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bool tns_cache_enabled(void)
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{
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struct stat stats;
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return cache_dir != NULL && stat(cache_dir, &stats) == 0 &&
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S_ISDIR(stats.st_mode) && access(cache_dir, W_OK) == 0;
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}
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char* tns_cache_filepath(const char *filepath)
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{
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size_t len;
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@ -107,19 +98,15 @@ void tns_cache_write(thumb_t *t, bool force)
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err = r_mkdir(cfile);
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*dirend = '/';
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}
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if (err == 0) {
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imlib_context_set_image(t->im);
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imlib_image_set_format("png");
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imlib_save_image_with_error_return(cfile, &err);
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}
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if (err == 0) {
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times.actime = fstats.st_atime;
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times.modtime = fstats.st_mtime;
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utime(cfile, ×);
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} else {
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warn("could not cache thumbnail: %s", t->file->name);
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}
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}
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free(cfile);
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@ -177,7 +164,6 @@ void tns_init(tns_t *tns, int cnt, win_t *win)
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} else {
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tns->thumbs = NULL;
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}
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tns->cap = cnt;
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tns->cnt = tns->first = tns->sel = 0;
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tns->win = win;
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@ -226,7 +212,7 @@ bool tns_load(tns_t *tns, int n, const fileinfo_t *file,
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bool force, bool silent)
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{
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int w, h;
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bool use_cache, cache_hit = false;
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bool cache_hit = false;
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float z, zw, zh;
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thumb_t *t;
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Imlib_Image im = NULL;
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@ -246,64 +232,63 @@ bool tns_load(tns_t *tns, int n, const fileinfo_t *file,
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imlib_free_image();
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}
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if ((use_cache = tns_cache_enabled())) {
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if (!force && (im = tns_cache_load(file->path)) != NULL)
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cache_hit = true;
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}
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if (!cache_hit) {
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if (!force && (im = tns_cache_load(file->path)) != NULL) {
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cache_hit = true;
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} else {
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#if HAVE_LIBEXIF
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int pw = 0, ph = 0, x = 0, y = 0;
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bool err;
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ExifData *ed;
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ExifEntry *entry;
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ExifContent *ifd;
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ExifByteOrder byte_order;
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int tmpfd;
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char tmppath[] = "/tmp/sxiv-XXXXXX";
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Imlib_Image tmpim;
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if (!force) {
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int pw = 0, ph = 0, x = 0, y = 0;
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bool err;
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ExifData *ed;
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ExifEntry *entry;
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ExifContent *ifd;
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ExifByteOrder byte_order;
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int tmpfd;
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char tmppath[] = "/tmp/sxiv-XXXXXX";
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Imlib_Image tmpim;
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if ((ed = exif_data_new_from_file(file->path)) != NULL &&
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ed->data != NULL && ed->size > 0)
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{
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if ((tmpfd = mkstemp(tmppath)) >= 0) {
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err = write(tmpfd, ed->data, ed->size) != ed->size;
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close(tmpfd);
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if ((ed = exif_data_new_from_file(file->path)) != NULL &&
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ed->data != NULL && ed->size > 0)
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{
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if ((tmpfd = mkstemp(tmppath)) >= 0) {
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err = write(tmpfd, ed->data, ed->size) != ed->size;
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close(tmpfd);
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if (!err && (tmpim = imlib_load_image(tmppath)) != NULL) {
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byte_order = exif_data_get_byte_order(ed);
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ifd = ed->ifd[EXIF_IFD_EXIF];
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entry = exif_content_get_entry(ifd, EXIF_TAG_PIXEL_X_DIMENSION);
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if (entry != NULL)
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pw = exif_get_long(entry->data, byte_order);
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entry = exif_content_get_entry(ifd, EXIF_TAG_PIXEL_Y_DIMENSION);
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if (entry != NULL)
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ph = exif_get_long(entry->data, byte_order);
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if (!err && (tmpim = imlib_load_image(tmppath)) != NULL) {
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byte_order = exif_data_get_byte_order(ed);
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ifd = ed->ifd[EXIF_IFD_EXIF];
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entry = exif_content_get_entry(ifd, EXIF_TAG_PIXEL_X_DIMENSION);
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if (entry != NULL)
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pw = exif_get_long(entry->data, byte_order);
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entry = exif_content_get_entry(ifd, EXIF_TAG_PIXEL_Y_DIMENSION);
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if (entry != NULL)
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ph = exif_get_long(entry->data, byte_order);
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imlib_context_set_image(tmpim);
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w = imlib_image_get_width();
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h = imlib_image_get_height();
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imlib_context_set_image(tmpim);
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w = imlib_image_get_width();
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h = imlib_image_get_height();
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if (pw > w && ph > h && (pw - ph >= 0) == (w - h >= 0)) {
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zw = (float) pw / (float) w;
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zh = (float) ph / (float) h;
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if (zw < zh) {
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pw /= zh;
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x = (w - pw) / 2;
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w = pw;
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} else if (zw > zh) {
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ph /= zw;
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y = (h - ph) / 2;
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h = ph;
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if (pw > w && ph > h && (pw - ph >= 0) == (w - h >= 0)) {
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zw = (float) pw / (float) w;
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zh = (float) ph / (float) h;
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if (zw < zh) {
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pw /= zh;
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x = (w - pw) / 2;
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w = pw;
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} else if (zw > zh) {
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ph /= zw;
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y = (h - ph) / 2;
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h = ph;
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}
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}
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if ((im = imlib_create_cropped_image(x, y, w, h)) == NULL)
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die("could not allocate memory");
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imlib_free_image_and_decache();
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}
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if ((im = imlib_create_cropped_image(x, y, w, h)) == NULL)
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die("could not allocate memory");
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imlib_free_image_and_decache();
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unlink(tmppath);
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}
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unlink(tmppath);
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exif_data_unref(ed);
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}
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exif_data_unref(ed);
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}
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#endif
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if (im == NULL && (access(file->path, R_OK) < 0 ||
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@ -337,7 +322,7 @@ bool tns_load(tns_t *tns, int n, const fileinfo_t *file,
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imlib_free_image_and_decache();
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if (use_cache && !cache_hit)
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if (!cache_hit)
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tns_cache_write(t, true);
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tns->dirty = true;
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11
util.c
11
util.c
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@ -324,14 +324,8 @@ int r_mkdir(const char *path)
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if (path == NULL || *path == '\0')
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return -1;
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if (stat(path, &stats) == 0) {
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if (S_ISDIR(stats.st_mode)) {
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return 0;
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} else {
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warn("not a directory: %s", path);
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return -1;
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}
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}
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if (stat(path, &stats) == 0)
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return S_ISDIR(stats.st_mode) ? 0 : -1;
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d = dir = (char*) s_malloc(strlen(path) + 1);
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strcpy(dir, path);
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@ -346,7 +340,6 @@ int r_mkdir(const char *path)
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err = -1;
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}
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} else if (stat(dir, &stats) < 0 || !S_ISDIR(stats.st_mode)) {
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warn("not a directory: %s", dir);
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err = -1;
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}
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if (d != NULL)
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