+++ /dev/null
-/*
- * Geeqie
- * (C) 2004 John Ellis
- *
- * Author: John Ellis
- *
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
- */
-
-
-#include "main.h"
-#include "thumb.h"
-
-#include "cache.h"
-#include "image-load.h"
-#include "filelist.h"
-#include "pixbuf_util.h"
-#include "thumb_standard.h"
-#include "ui_fileops.h"
-
-#include <utime.h>
-
-
-static void thumb_loader_error_cb(ImageLoader *il, gpointer data);
-static void thumb_loader_setup(ThumbLoader *tl, gchar *path);
-
-static gint normalize_thumb(gint *width, gint *height, gint max_w, gint max_h);
-static GdkPixbuf *get_xv_thumbnail(gchar *thumb_filename, gint max_w, gint max_h);
-
-
-/*
- *-----------------------------------------------------------------------------
- * thumbnail routines: creation, caching, and maintenance (public)
- *-----------------------------------------------------------------------------
- */
-
-static gint thumb_loader_save_to_cache(ThumbLoader *tl)
-{
- gchar *cache_dir;
- gint success = FALSE;
- mode_t mode = 0755;
-
- if (!tl || !tl->pixbuf) return FALSE;
-
- cache_dir = cache_get_location(CACHE_TYPE_THUMB, tl->path, FALSE, &mode);
-
- if (cache_ensure_dir_exists(cache_dir, mode))
- {
- gchar *cache_path;
- gchar *pathl;
-
- cache_path = g_strconcat(cache_dir, "/", filename_from_path(tl->path),
- GQ_CACHE_EXT_THUMB, NULL);
-
- if (debug) printf("Saving thumb: %s\n", cache_path);
-
- pathl = path_from_utf8(cache_path);
- success = pixbuf_to_file_as_png(tl->pixbuf, pathl);
- if (success)
- {
- struct utimbuf ut;
- /* set thumb time to that of source file */
-
- ut.actime = ut.modtime = filetime(tl->path);
- if (ut.modtime > 0)
- {
- utime(pathl, &ut);
- }
- }
- else
- {
- if (debug) printf("Saving failed: %s\n", pathl);
- }
-
- g_free(pathl);
- g_free(cache_path);
- }
-
- g_free(cache_dir);
-
- return success;
-}
-
-static gint thumb_loader_mark_failure(ThumbLoader *tl)
-{
- gchar *cache_dir;
- gint success = FALSE;
- mode_t mode = 0755;
-
- if (!tl) return FALSE;
-
- cache_dir = cache_get_location(CACHE_TYPE_THUMB, tl->path, FALSE, &mode);
-
- if (cache_ensure_dir_exists(cache_dir, mode))
- {
- gchar *cache_path;
- gchar *pathl;
- FILE *f;
-
- cache_path = g_strconcat(cache_dir, "/", filename_from_path(tl->path),
- GQ_CACHE_EXT_THUMB, NULL);
-
- if (debug) printf("marking thumb failure: %s\n", cache_path);
-
- pathl = path_from_utf8(cache_path);
- f = fopen(pathl, "w");
- if (f)
- {
- struct utimbuf ut;
-
- fclose (f);
-
- ut.actime = ut.modtime = filetime(tl->path);
- if (ut.modtime > 0)
- {
- utime(pathl, &ut);
- }
-
- success = TRUE;
- }
-
- g_free(pathl);
- g_free(cache_path);
- }
-
- g_free(cache_dir);
- return success;
-}
-
-static void thumb_loader_percent_cb(ImageLoader *il, gdouble percent, gpointer data)
-{
- ThumbLoader *tl = data;
-
- tl->percent_done = percent;
-
- if (tl->func_progress) tl->func_progress(tl, tl->data);
-}
-
-static void thumb_loader_done_cb(ImageLoader *il, gpointer data)
-{
- ThumbLoader *tl = data;
- GdkPixbuf *pixbuf;
- gint pw, ph;
- gint save;
-
- if (debug) printf("thumb done: %s\n", tl->path);
-
- pixbuf = image_loader_get_pixbuf(tl->il);
- if (!pixbuf)
- {
- if (debug) printf("...but no pixbuf: %s\n", tl->path);
- thumb_loader_error_cb(tl->il, tl);
- return;
- }
-
- pw = gdk_pixbuf_get_width(pixbuf);
- ph = gdk_pixbuf_get_height(pixbuf);
-
- if (tl->cache_hit && pw != tl->max_w && ph != tl->max_h)
- {
- /* requested thumbnail size may have changed, load original */
- if (debug) printf("thumbnail size mismatch, regenerating: %s\n", tl->path);
- tl->cache_hit = FALSE;
-
- thumb_loader_setup(tl, tl->path);
-
- if (!image_loader_start(tl->il, thumb_loader_done_cb, tl))
- {
- image_loader_free(tl->il);
- tl->il = NULL;
-
- if (debug) printf("regeneration failure: %s\n", tl->path);
- thumb_loader_error_cb(tl->il, tl);
- }
- return;
- }
-
- /* scale ?? */
-
- if (pw > tl->max_w || ph > tl->max_h)
- {
- gint w, h;
-
- if (((double)tl->max_w / pw) < ((double)tl->max_h / ph))
- {
- w = tl->max_w;
- h = (double)w / pw * ph;
- if (h < 1) h = 1;
- }
- else
- {
- h = tl->max_h;
- w = (double)h / ph * pw;
- if (w < 1) w = 1;
- }
-
- tl->pixbuf = gdk_pixbuf_scale_simple(pixbuf, w, h, (GdkInterpType)options->thumbnails.quality);
- save = TRUE;
- }
- else
- {
- tl->pixbuf = pixbuf;
- gdk_pixbuf_ref(tl->pixbuf);
- save = il->shrunk;
- }
-
- /* save it ? */
- if (tl->cache_enable && save)
- {
- thumb_loader_save_to_cache(tl);
- }
-
- if (tl->func_done) tl->func_done(tl, tl->data);
-}
-
-static void thumb_loader_error_cb(ImageLoader *il, gpointer data)
-{
- ThumbLoader *tl = data;
-
- /* if at least some of the image is available, go to done_cb */
- if (image_loader_get_pixbuf(tl->il) != NULL)
- {
- thumb_loader_done_cb(il, data);
- return;
- }
-
- if (debug) printf("thumb error: %s\n", tl->path);
-
- image_loader_free(tl->il);
- tl->il = NULL;
-
- if (tl->func_error) tl->func_error(tl, tl->data);
-}
-
-static gint thumb_loader_done_delay_cb(gpointer data)
-{
- ThumbLoader *tl = data;
-
- tl->idle_done_id = -1;
-
- if (tl->func_done) tl->func_done(tl, tl->data);
-
- return FALSE;
-}
-
-static void thumb_loader_delay_done(ThumbLoader *tl)
-{
- if (tl->idle_done_id == -1) tl->idle_done_id = g_idle_add(thumb_loader_done_delay_cb, tl);
-}
-
-static void thumb_loader_setup(ThumbLoader *tl, gchar *path)
-{
- image_loader_free(tl->il);
- tl->il = image_loader_new(file_data_new_simple(path));
-
- if (options->thumbnails.fast)
- {
- /* this will speed up jpegs by up to 3x in some cases */
- image_loader_set_requested_size(tl->il, tl->max_w, tl->max_h);
- }
-
- image_loader_set_error_func(tl->il, thumb_loader_error_cb, tl);
- if (tl->func_progress) image_loader_set_percent_func(tl->il, thumb_loader_percent_cb, tl);
-}
-
-void thumb_loader_set_callbacks(ThumbLoader *tl,
- ThumbLoaderFunc func_done,
- ThumbLoaderFunc func_error,
- ThumbLoaderFunc func_progress,
- gpointer data)
-{
- if (!tl) return;
-
- if (tl->standard_loader)
- {
- thumb_loader_std_set_callbacks((ThumbLoaderStd *)tl,
- (ThumbLoaderStdFunc) func_done,
- (ThumbLoaderStdFunc) func_error,
- (ThumbLoaderStdFunc) func_progress,
- data);
- return;
- }
-
- tl->func_done = func_done;
- tl->func_error = func_error;
- tl->func_progress = func_progress;
-
- tl->data = data;
-}
-
-void thumb_loader_set_cache(ThumbLoader *tl, gint enable_cache, gint local, gint retry_failed)
-{
- if (!tl) return;
-
- if (tl->standard_loader)
- {
- thumb_loader_std_set_cache((ThumbLoaderStd *)tl, enable_cache, local, retry_failed);
- return;
- }
-
- tl->cache_enable = enable_cache;
-#if 0
- tl->cache_local = local;
- tl->cache_retry = retry_failed;
-#endif
-}
-
-
-gint thumb_loader_start(ThumbLoader *tl, const gchar *path)
-{
- gchar *cache_path = NULL;
-
- if (!tl) return FALSE;
-
- if (tl->standard_loader)
- {
- return thumb_loader_std_start((ThumbLoaderStd *)tl, path);
- }
-
- if (!tl->path && !path) return FALSE;
-
- if (!tl->path) tl->path = g_strdup(path);
-
- if (tl->cache_enable)
- {
- cache_path = cache_find_location(CACHE_TYPE_THUMB, tl->path);
-
- if (cache_path)
- {
- if (cache_time_valid(cache_path, tl->path))
- {
- if (debug) printf("Found in cache:%s\n", tl->path);
-
- if (filesize(cache_path) == 0)
- {
- if (debug) printf("Broken image mark found:%s\n", cache_path);
- g_free(cache_path);
- return FALSE;
- }
-
- if (debug) printf("Cache location:%s\n", cache_path);
- }
- else
- {
- g_free(cache_path);
- cache_path = NULL;
- }
- }
- }
-
- if (!cache_path && options->thumbnails.use_xvpics)
- {
- tl->pixbuf = get_xv_thumbnail(tl->path, tl->max_w, tl->max_h);
- if (tl->pixbuf)
- {
- thumb_loader_delay_done(tl);
- return TRUE;
- }
- }
-
- if (cache_path)
- {
- thumb_loader_setup(tl, cache_path);
- g_free(cache_path);
- tl->cache_hit = TRUE;
- }
- else
- {
- thumb_loader_setup(tl, tl->path);
- }
-
- if (!image_loader_start(tl->il, thumb_loader_done_cb, tl))
- {
- /* try from original if cache attempt */
- if (tl->cache_hit)
- {
- tl->cache_hit = FALSE;
- print_term(_("Thumbnail image in cache failed to load, trying to recreate.\n"));
-
- thumb_loader_setup(tl, tl->path);
- if (image_loader_start(tl->il, thumb_loader_done_cb, tl)) return TRUE;
- }
- /* mark failed thumbnail in cache with 0 byte file */
- if (tl->cache_enable)
- {
- thumb_loader_mark_failure(tl);
- }
-
- image_loader_free(tl->il);
- tl->il = NULL;
- return FALSE;
- }
-
- return TRUE;
-}
-
-#if 0
-gint thumb_loader_to_pixmap(ThumbLoader *tl, GdkPixmap **pixmap, GdkBitmap **mask)
-{
- if (!tl || !tl->pixbuf) return -1;
-
- gdk_pixbuf_render_pixmap_and_mask(tl->pixbuf, pixmap, mask, 128);
-
- return thumb_loader_get_space(tl);
-}
-#endif
-
-GdkPixbuf *thumb_loader_get_pixbuf(ThumbLoader *tl, gint with_fallback)
-{
- GdkPixbuf *pixbuf;
-
- if (tl && tl->standard_loader)
- {
- return thumb_loader_std_get_pixbuf((ThumbLoaderStd *)tl, with_fallback);
- }
-
- if (tl && tl->pixbuf)
- {
- pixbuf = tl->pixbuf;
- g_object_ref(pixbuf);
- }
- else if (with_fallback)
- {
- gint w, h;
-
- pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
- w = gdk_pixbuf_get_width(pixbuf);
- h = gdk_pixbuf_get_height(pixbuf);
- if ((w > tl->max_w || h > tl->max_h) &&
- normalize_thumb(&w, &h, tl->max_w, tl->max_h))
- {
- GdkPixbuf *tmp;
-
- tmp = pixbuf;
- pixbuf = gdk_pixbuf_scale_simple(tmp, w, h, GDK_INTERP_NEAREST);
- gdk_pixbuf_unref(tmp);
- }
- }
- else
- {
- pixbuf = NULL;
- }
-
- return pixbuf;
-}
-
-#if 0
-gint thumb_loader_get_space(ThumbLoader *tl)
-{
- if (!tl) return 0;
-
- if (tl->pixbuf) return (tl->max_w - gdk_pixbuf_get_width(tl->pixbuf));
-
- return tl->max_w;
-}
-#endif
-
-ThumbLoader *thumb_loader_new(gint width, gint height)
-{
- ThumbLoader *tl;
-
- if (options->thumbnails.spec_standard)
- {
- return (ThumbLoader *)thumb_loader_std_new(width, height);
- }
-
- tl = g_new0(ThumbLoader, 1);
- tl->standard_loader = FALSE;
- tl->path = NULL;
- tl->cache_enable = options->thumbnails.enable_caching;
- tl->cache_hit = FALSE;
- tl->percent_done = 0.0;
- tl->max_w = width;
- tl->max_h = height;
-
- tl->il = NULL;
-
- tl->idle_done_id = -1;
-
- return tl;
-}
-
-void thumb_loader_free(ThumbLoader *tl)
-{
- if (!tl) return;
-
- if (tl->standard_loader)
- {
- thumb_loader_std_free((ThumbLoaderStd *)tl);
- return;
- }
-
- if (tl->pixbuf) gdk_pixbuf_unref(tl->pixbuf);
- image_loader_free(tl->il);
- g_free(tl->path);
-
- if (tl->idle_done_id != -1) g_source_remove(tl->idle_done_id);
-
- g_free(tl);
-}
-
-#if 0
-gint thumb_from_xpm_d(const char **data, gint max_w, gint max_h, GdkPixmap **pixmap, GdkBitmap **mask)
-{
- GdkPixbuf *pixbuf;
- gint w, h;
-
- pixbuf = gdk_pixbuf_new_from_xpm_data(data);
- w = gdk_pixbuf_get_width(pixbuf);
- h = gdk_pixbuf_get_height(pixbuf);
-
- if ((w > max_w || h > max_h) &&
- normalize_thumb(&w, &h, max_w, max_h))
- {
- /* scale */
- GdkPixbuf *tmp;
-
- tmp = pixbuf;
- pixbuf = gdk_pixbuf_scale_simple(tmp, w, h, GDK_INTERP_NEAREST);
- gdk_pixbuf_unref(tmp);
- }
-
- gdk_pixbuf_render_pixmap_and_mask(pixbuf, pixmap, mask, 128);
- gdk_pixbuf_unref(pixbuf);
-
- return w;
-}
-#endif
-
-/*
- *-----------------------------------------------------------------------------
- * xvpics thumbnail support, read-only (private)
- *-----------------------------------------------------------------------------
- */
-
-/*
- * xvpics code originally supplied by:
- * "Diederen Damien" <D.Diederen@student.ulg.ac.be>
- *
- * Note: Code has been modified to fit the style of the other code, and to use
- * a few more glib-isms.
- * 08-28-2000: Updated to return a gdk_pixbuf, Imlib is dieing a death here.
- */
-
-#define XV_BUFFER 2048
-static guchar *load_xv_thumbnail(gchar *filename, gint *widthp, gint *heightp)
-{
- FILE *file;
- gchar buffer[XV_BUFFER];
- guchar *data;
- gint width, height, depth;
-
- file = fopen(filename, "rt");
- if(!file) return NULL;
-
- fgets(buffer, XV_BUFFER, file);
- if(strncmp(buffer, "P7 332", 6) != 0)
- {
- fclose(file);
- return NULL;
- }
-
- while(fgets(buffer, XV_BUFFER, file) && buffer[0] == '#') /* do_nothing() */;
-
- if(sscanf(buffer, "%d %d %d", &width, &height, &depth) != 3)
- {
- fclose(file);
- return NULL;
- }
-
- data = g_new(guchar, width * height);
- fread(data, 1, width * height, file);
-
- fclose(file);
- *widthp = width;
- *heightp = height;
- return data;
-}
-#undef XV_BUFFER
-
-static gint normalize_thumb(gint *width, gint *height, gint max_w, gint max_h)
-{
- gdouble scale;
- gint new_w, new_h;
-
- scale = MIN((gdouble) max_w / *width, (gdouble) max_h / *height);
- new_w = *width * scale;
- new_h = *height * scale;
-
- if (new_w != *width || new_h != *height)
- {
- *width = new_w;
- *height = new_h;
- return TRUE;
- }
-
- return FALSE;
-}
-
-static void free_rgb_buffer(guchar *pixels, gpointer data)
-{
- g_free(pixels);
-}
-
-static GdkPixbuf *get_xv_thumbnail(gchar *thumb_filename, gint max_w, gint max_h)
-{
- gint width, height;
- gchar *thumb_name;
- gchar *tmp_string;
- gchar *last_slash;
- guchar *packed_data;
-
- tmp_string = path_from_utf8(thumb_filename);
- last_slash = strrchr(tmp_string, '/');
- if(!last_slash) return NULL;
- *last_slash++ = '\0';
-
- thumb_name = g_strconcat(tmp_string, "/.xvpics/", last_slash, NULL);
- packed_data = load_xv_thumbnail(thumb_name, &width, &height);
- g_free(tmp_string);
- g_free(thumb_name);
-
- if(packed_data)
- {
- guchar *rgb_data;
- GdkPixbuf *pixbuf;
- gint i;
-
- rgb_data = g_new(guchar, width * height * 3);
- for(i = 0; i < width * height; i++)
- {
- rgb_data[i * 3 + 0] = (packed_data[i] >> 5) * 36;
- rgb_data[i * 3 + 1] = ((packed_data[i] & 28) >> 2) * 36;
- rgb_data[i * 3 + 2] = (packed_data[i] & 3) * 85;
- }
- g_free(packed_data);
-
- pixbuf = gdk_pixbuf_new_from_data(rgb_data, GDK_COLORSPACE_RGB, FALSE, 8,
- width, height, 3 * width, free_rgb_buffer, NULL);
-
- if (normalize_thumb(&width, &height, max_w, max_h))
- {
- /* scale */
- GdkPixbuf *tmp;
-
- tmp = pixbuf;
- pixbuf = gdk_pixbuf_scale_simple(tmp, width, height, GDK_INTERP_NEAREST);
- gdk_pixbuf_unref(tmp);
- }
-
- return pixbuf;
- }
-
- return NULL;
-}
projects / geeqie.git / blobdiff