4 * Copyright (C) 2008 The Geeqie Team
8 * This software is released under the GNU General Public License (GNU GPL).
9 * Please read the included file COPYING for more information.
10 * This software comes with no warranty of any kind, use at your own risk!
19 #include "image-load.h"
21 #include "pixbuf_util.h"
22 #include "thumb_standard.h"
23 #include "ui_fileops.h"
28 static void thumb_loader_error_cb(ImageLoader *il, gpointer data);
29 static void thumb_loader_setup(ThumbLoader *tl, gchar *path);
31 static gint normalize_thumb(gint *width, gint *height, gint max_w, gint max_h);
32 static GdkPixbuf *get_xv_thumbnail(gchar *thumb_filename, gint max_w, gint max_h);
36 *-----------------------------------------------------------------------------
37 * thumbnail routines: creation, caching, and maintenance (public)
38 *-----------------------------------------------------------------------------
41 static gint thumb_loader_save_to_cache(ThumbLoader *tl)
47 if (!tl || !tl->pixbuf) return FALSE;
49 cache_dir = cache_get_location(CACHE_TYPE_THUMB, tl->path, FALSE, &mode);
51 if (cache_ensure_dir_exists(cache_dir, mode))
56 cache_path = g_strconcat(cache_dir, "/", filename_from_path(tl->path),
57 GQ_CACHE_EXT_THUMB, NULL);
59 DEBUG_1("Saving thumb: %s", cache_path);
61 pathl = path_from_utf8(cache_path);
62 success = pixbuf_to_file_as_png(tl->pixbuf, pathl);
66 /* set thumb time to that of source file */
68 ut.actime = ut.modtime = filetime(tl->path);
76 DEBUG_1("Saving failed: %s", pathl);
88 static gint thumb_loader_mark_failure(ThumbLoader *tl)
94 if (!tl) return FALSE;
96 cache_dir = cache_get_location(CACHE_TYPE_THUMB, tl->path, FALSE, &mode);
98 if (cache_ensure_dir_exists(cache_dir, mode))
104 cache_path = g_strconcat(cache_dir, "/", filename_from_path(tl->path),
105 GQ_CACHE_EXT_THUMB, NULL);
107 DEBUG_1("marking thumb failure: %s", cache_path);
109 pathl = path_from_utf8(cache_path);
110 f = fopen(pathl, "w");
117 ut.actime = ut.modtime = filetime(tl->path);
134 static void thumb_loader_percent_cb(ImageLoader *il, gdouble percent, gpointer data)
136 ThumbLoader *tl = data;
138 tl->percent_done = percent;
140 if (tl->func_progress) tl->func_progress(tl, tl->data);
143 static void thumb_loader_done_cb(ImageLoader *il, gpointer data)
145 ThumbLoader *tl = data;
150 DEBUG_1("thumb done: %s", tl->path);
152 pixbuf = image_loader_get_pixbuf(tl->il);
155 DEBUG_1("...but no pixbuf: %s", tl->path);
156 thumb_loader_error_cb(tl->il, tl);
160 pw = gdk_pixbuf_get_width(pixbuf);
161 ph = gdk_pixbuf_get_height(pixbuf);
163 if (tl->cache_hit && pw != tl->max_w && ph != tl->max_h)
165 /* requested thumbnail size may have changed, load original */
166 DEBUG_1("thumbnail size mismatch, regenerating: %s", tl->path);
167 tl->cache_hit = FALSE;
169 thumb_loader_setup(tl, tl->path);
171 if (!image_loader_start(tl->il, thumb_loader_done_cb, tl))
173 image_loader_free(tl->il);
176 DEBUG_1("regeneration failure: %s", tl->path);
177 thumb_loader_error_cb(tl->il, tl);
184 if (pw > tl->max_w || ph > tl->max_h)
188 if (((double)tl->max_w / pw) < ((double)tl->max_h / ph))
191 h = (double)w / pw * ph;
197 w = (double)h / ph * pw;
201 tl->pixbuf = gdk_pixbuf_scale_simple(pixbuf, w, h, (GdkInterpType)options->thumbnails.quality);
207 gdk_pixbuf_ref(tl->pixbuf);
212 if (tl->cache_enable && save)
214 thumb_loader_save_to_cache(tl);
217 if (tl->func_done) tl->func_done(tl, tl->data);
220 static void thumb_loader_error_cb(ImageLoader *il, gpointer data)
222 ThumbLoader *tl = data;
224 /* if at least some of the image is available, go to done_cb */
225 if (image_loader_get_pixbuf(tl->il) != NULL)
227 thumb_loader_done_cb(il, data);
231 DEBUG_1("thumb error: %s", tl->path);
233 image_loader_free(tl->il);
236 if (tl->func_error) tl->func_error(tl, tl->data);
239 static gint thumb_loader_done_delay_cb(gpointer data)
241 ThumbLoader *tl = data;
243 tl->idle_done_id = -1;
245 if (tl->func_done) tl->func_done(tl, tl->data);
250 static void thumb_loader_delay_done(ThumbLoader *tl)
252 if (tl->idle_done_id == -1) tl->idle_done_id = g_idle_add(thumb_loader_done_delay_cb, tl);
255 static void thumb_loader_setup(ThumbLoader *tl, gchar *path)
257 image_loader_free(tl->il);
258 tl->il = image_loader_new(file_data_new_simple(path));
260 if (options->thumbnails.fast)
262 /* this will speed up jpegs by up to 3x in some cases */
263 image_loader_set_requested_size(tl->il, tl->max_w, tl->max_h);
266 image_loader_set_error_func(tl->il, thumb_loader_error_cb, tl);
267 if (tl->func_progress) image_loader_set_percent_func(tl->il, thumb_loader_percent_cb, tl);
270 void thumb_loader_set_callbacks(ThumbLoader *tl,
271 ThumbLoaderFunc func_done,
272 ThumbLoaderFunc func_error,
273 ThumbLoaderFunc func_progress,
278 if (tl->standard_loader)
280 thumb_loader_std_set_callbacks((ThumbLoaderStd *)tl,
281 (ThumbLoaderStdFunc) func_done,
282 (ThumbLoaderStdFunc) func_error,
283 (ThumbLoaderStdFunc) func_progress,
288 tl->func_done = func_done;
289 tl->func_error = func_error;
290 tl->func_progress = func_progress;
295 void thumb_loader_set_cache(ThumbLoader *tl, gint enable_cache, gint local, gint retry_failed)
299 if (tl->standard_loader)
301 thumb_loader_std_set_cache((ThumbLoaderStd *)tl, enable_cache, local, retry_failed);
305 tl->cache_enable = enable_cache;
307 tl->cache_local = local;
308 tl->cache_retry = retry_failed;
313 gint thumb_loader_start(ThumbLoader *tl, const gchar *path)
315 gchar *cache_path = NULL;
317 if (!tl) return FALSE;
319 if (tl->standard_loader)
321 return thumb_loader_std_start((ThumbLoaderStd *)tl, path);
324 if (!tl->path && !path) return FALSE;
326 if (!tl->path) tl->path = g_strdup(path);
328 if (tl->cache_enable)
330 cache_path = cache_find_location(CACHE_TYPE_THUMB, tl->path);
334 if (cache_time_valid(cache_path, tl->path))
336 DEBUG_1("Found in cache:%s", tl->path);
338 if (filesize(cache_path) == 0)
340 DEBUG_1("Broken image mark found:%s", cache_path);
345 DEBUG_1("Cache location:%s", cache_path);
355 if (!cache_path && options->thumbnails.use_xvpics)
357 tl->pixbuf = get_xv_thumbnail(tl->path, tl->max_w, tl->max_h);
360 thumb_loader_delay_done(tl);
367 thumb_loader_setup(tl, cache_path);
369 tl->cache_hit = TRUE;
373 thumb_loader_setup(tl, tl->path);
376 if (!image_loader_start(tl->il, thumb_loader_done_cb, tl))
378 /* try from original if cache attempt */
381 tl->cache_hit = FALSE;
382 print_term(_("Thumbnail image in cache failed to load, trying to recreate.\n"));
384 thumb_loader_setup(tl, tl->path);
385 if (image_loader_start(tl->il, thumb_loader_done_cb, tl)) return TRUE;
387 /* mark failed thumbnail in cache with 0 byte file */
388 if (tl->cache_enable)
390 thumb_loader_mark_failure(tl);
393 image_loader_free(tl->il);
402 gint thumb_loader_to_pixmap(ThumbLoader *tl, GdkPixmap **pixmap, GdkBitmap **mask)
404 if (!tl || !tl->pixbuf) return -1;
406 gdk_pixbuf_render_pixmap_and_mask(tl->pixbuf, pixmap, mask, 128);
408 return thumb_loader_get_space(tl);
412 GdkPixbuf *thumb_loader_get_pixbuf(ThumbLoader *tl, gint with_fallback)
416 if (tl && tl->standard_loader)
418 return thumb_loader_std_get_pixbuf((ThumbLoaderStd *)tl, with_fallback);
421 if (tl && tl->pixbuf)
424 g_object_ref(pixbuf);
426 else if (with_fallback)
430 pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
431 w = gdk_pixbuf_get_width(pixbuf);
432 h = gdk_pixbuf_get_height(pixbuf);
433 if ((w > tl->max_w || h > tl->max_h) &&
434 normalize_thumb(&w, &h, tl->max_w, tl->max_h))
439 pixbuf = gdk_pixbuf_scale_simple(tmp, w, h, GDK_INTERP_NEAREST);
440 gdk_pixbuf_unref(tmp);
452 gint thumb_loader_get_space(ThumbLoader *tl)
456 if (tl->pixbuf) return (tl->max_w - gdk_pixbuf_get_width(tl->pixbuf));
462 ThumbLoader *thumb_loader_new(gint width, gint height)
466 if (options->thumbnails.spec_standard)
468 return (ThumbLoader *)thumb_loader_std_new(width, height);
471 tl = g_new0(ThumbLoader, 1);
472 tl->standard_loader = FALSE;
474 tl->cache_enable = options->thumbnails.enable_caching;
475 tl->cache_hit = FALSE;
476 tl->percent_done = 0.0;
482 tl->idle_done_id = -1;
487 void thumb_loader_free(ThumbLoader *tl)
491 if (tl->standard_loader)
493 thumb_loader_std_free((ThumbLoaderStd *)tl);
497 if (tl->pixbuf) gdk_pixbuf_unref(tl->pixbuf);
498 image_loader_free(tl->il);
501 if (tl->idle_done_id != -1) g_source_remove(tl->idle_done_id);
507 gint thumb_from_xpm_d(const char **data, gint max_w, gint max_h, GdkPixmap **pixmap, GdkBitmap **mask)
512 pixbuf = gdk_pixbuf_new_from_xpm_data(data);
513 w = gdk_pixbuf_get_width(pixbuf);
514 h = gdk_pixbuf_get_height(pixbuf);
516 if ((w > max_w || h > max_h) &&
517 normalize_thumb(&w, &h, max_w, max_h))
523 pixbuf = gdk_pixbuf_scale_simple(tmp, w, h, GDK_INTERP_NEAREST);
524 gdk_pixbuf_unref(tmp);
527 gdk_pixbuf_render_pixmap_and_mask(pixbuf, pixmap, mask, 128);
528 gdk_pixbuf_unref(pixbuf);
535 *-----------------------------------------------------------------------------
536 * xvpics thumbnail support, read-only (private)
537 *-----------------------------------------------------------------------------
541 * xvpics code originally supplied by:
542 * "Diederen Damien" <D.Diederen@student.ulg.ac.be>
544 * Note: Code has been modified to fit the style of the other code, and to use
545 * a few more glib-isms.
546 * 08-28-2000: Updated to return a gdk_pixbuf, Imlib is dieing a death here.
549 #define XV_BUFFER 2048
550 static guchar *load_xv_thumbnail(gchar *filename, gint *widthp, gint *heightp)
553 gchar buffer[XV_BUFFER];
555 gint width, height, depth;
557 file = fopen(filename, "rt");
558 if(!file) return NULL;
560 fgets(buffer, XV_BUFFER, file);
561 if(strncmp(buffer, "P7 332", 6) != 0)
567 while (fgets(buffer, XV_BUFFER, file) && buffer[0] == '#') /* do_nothing() */;
569 if(sscanf(buffer, "%d %d %d", &width, &height, &depth) != 3)
575 data = g_new(guchar, width * height);
576 fread(data, 1, width * height, file);
585 static gint normalize_thumb(gint *width, gint *height, gint max_w, gint max_h)
590 scale = MIN((gdouble) max_w / *width, (gdouble) max_h / *height);
591 new_w = *width * scale;
592 new_h = *height * scale;
594 if (new_w != *width || new_h != *height)
604 static void free_rgb_buffer(guchar *pixels, gpointer data)
609 static GdkPixbuf *get_xv_thumbnail(gchar *thumb_filename, gint max_w, gint max_h)
617 tmp_string = path_from_utf8(thumb_filename);
618 last_slash = strrchr(tmp_string, '/');
619 if(!last_slash) return NULL;
620 *last_slash++ = '\0';
622 thumb_name = g_strconcat(tmp_string, "/.xvpics/", last_slash, NULL);
623 packed_data = load_xv_thumbnail(thumb_name, &width, &height);
633 rgb_data = g_new(guchar, width * height * 3);
634 for (i = 0; i < width * height; i++)
636 rgb_data[i * 3 + 0] = (packed_data[i] >> 5) * 36;
637 rgb_data[i * 3 + 1] = ((packed_data[i] & 28) >> 2) * 36;
638 rgb_data[i * 3 + 2] = (packed_data[i] & 3) * 85;
642 pixbuf = gdk_pixbuf_new_from_data(rgb_data, GDK_COLORSPACE_RGB, FALSE, 8,
643 width, height, 3 * width, free_rgb_buffer, NULL);
645 if (normalize_thumb(&width, &height, max_w, max_h))
651 pixbuf = gdk_pixbuf_scale_simple(tmp, width, height, GDK_INTERP_NEAREST);
652 gdk_pixbuf_unref(tmp);