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!
18 #include "image-load.h"
20 #include "pixbuf_util.h"
21 #include "thumb_standard.h"
22 #include "ui_fileops.h"
28 static void thumb_loader_error_cb(ImageLoader *il, gpointer data);
29 static void thumb_loader_setup(ThumbLoader *tl, const 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->fd || !tl->fd->thumb_pixbuf) return FALSE;
49 cache_dir = cache_get_location(CACHE_TYPE_THUMB, tl->fd->path, FALSE, &mode);
51 if (cache_ensure_dir_exists(cache_dir, mode))
55 gchar *name = g_strconcat(filename_from_path(tl->fd->path), GQ_CACHE_EXT_THUMB, NULL);
57 cache_path = g_build_filename(cache_dir, name, NULL);
60 DEBUG_1("Saving thumb: %s", cache_path);
62 pathl = path_from_utf8(cache_path);
63 success = pixbuf_to_file_as_png(tl->fd->thumb_pixbuf, pathl);
67 /* set thumb time to that of source file */
69 ut.actime = ut.modtime = filetime(tl->fd->path);
77 DEBUG_1("Saving failed: %s", pathl);
89 static gint thumb_loader_mark_failure(ThumbLoader *tl)
95 if (!tl) return FALSE;
97 cache_dir = cache_get_location(CACHE_TYPE_THUMB, tl->fd->path, FALSE, &mode);
99 if (cache_ensure_dir_exists(cache_dir, mode))
104 gchar *name = g_strconcat(filename_from_path(tl->fd->path), GQ_CACHE_EXT_THUMB, NULL);
106 cache_path = g_build_filename(cache_dir, name, NULL);
109 DEBUG_1("marking thumb failure: %s", cache_path);
111 pathl = path_from_utf8(cache_path);
112 f = fopen(pathl, "w");
119 ut.actime = ut.modtime = filetime(tl->fd->path);
136 static void thumb_loader_percent_cb(ImageLoader *il, gdouble percent, gpointer data)
138 ThumbLoader *tl = data;
140 tl->percent_done = percent;
142 if (tl->func_progress) tl->func_progress(tl, tl->data);
145 static void thumb_loader_done_cb(ImageLoader *il, gpointer data)
147 ThumbLoader *tl = data;
151 GdkPixbuf *rotated = NULL;
153 DEBUG_1("thumb done: %s", tl->fd->path);
155 pixbuf = image_loader_get_pixbuf(tl->il);
158 DEBUG_1("...but no pixbuf: %s", tl->fd->path);
159 thumb_loader_error_cb(tl->il, tl);
164 if (!tl->cache_hit && options->image.exif_rotate_enable)
166 if (!tl->fd->exif_orientation)
168 ExifData *exif = exif_read_fd(tl->fd);
171 if (exif && exif_get_integer(exif, "Exif.Image.Orientation", &orientation))
172 tl->fd->exif_orientation = orientation;
174 tl->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
175 exif_free_fd(tl->fd, exif);
178 if (tl->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
180 rotated = pixbuf_apply_orientation(pixbuf, tl->fd->exif_orientation);
185 pw = gdk_pixbuf_get_width(pixbuf);
186 ph = gdk_pixbuf_get_height(pixbuf);
188 if (tl->cache_hit && pw != tl->max_w && ph != tl->max_h)
190 /* requested thumbnail size may have changed, load original */
191 DEBUG_1("thumbnail size mismatch, regenerating: %s", tl->fd->path);
192 tl->cache_hit = FALSE;
194 thumb_loader_setup(tl, tl->fd->path);
196 if (!image_loader_start(tl->il, thumb_loader_done_cb, tl))
198 image_loader_free(tl->il);
201 DEBUG_1("regeneration failure: %s", tl->fd->path);
202 thumb_loader_error_cb(tl->il, tl);
209 if (pw > tl->max_w || ph > tl->max_h)
213 if (((double)tl->max_w / pw) < ((double)tl->max_h / ph))
216 h = (double)w / pw * ph;
222 w = (double)h / ph * pw;
228 if (tl->fd->thumb_pixbuf) g_object_unref(tl->fd->thumb_pixbuf);
229 tl->fd->thumb_pixbuf = gdk_pixbuf_scale_simple(pixbuf, w, h, (GdkInterpType)options->thumbnails.quality);
237 if (tl->fd->thumb_pixbuf) g_object_unref(tl->fd->thumb_pixbuf);
238 tl->fd->thumb_pixbuf = pixbuf;
239 gdk_pixbuf_ref(tl->fd->thumb_pixbuf);
244 if (rotated) gdk_pixbuf_unref(rotated);
247 if (tl->cache_enable && save)
249 thumb_loader_save_to_cache(tl);
252 if (tl->func_done) tl->func_done(tl, tl->data);
255 static void thumb_loader_error_cb(ImageLoader *il, gpointer data)
257 ThumbLoader *tl = data;
259 /* if at least some of the image is available, go to done_cb */
260 if (image_loader_get_pixbuf(tl->il) != NULL)
262 thumb_loader_done_cb(il, data);
266 DEBUG_1("thumb error: %s", tl->fd->path);
268 image_loader_free(tl->il);
271 if (tl->func_error) tl->func_error(tl, tl->data);
274 static gint thumb_loader_done_delay_cb(gpointer data)
276 ThumbLoader *tl = data;
278 tl->idle_done_id = -1;
280 if (tl->func_done) tl->func_done(tl, tl->data);
285 static void thumb_loader_delay_done(ThumbLoader *tl)
287 if (tl->idle_done_id == -1) tl->idle_done_id = g_idle_add(thumb_loader_done_delay_cb, tl);
290 static void thumb_loader_setup(ThumbLoader *tl, const gchar *path)
292 FileData *fd = file_data_new_simple(path);
293 image_loader_free(tl->il);
294 tl->il = image_loader_new(fd);
297 if (options->thumbnails.fast)
299 /* this will speed up jpegs by up to 3x in some cases */
300 image_loader_set_requested_size(tl->il, tl->max_w, tl->max_h);
303 image_loader_set_error_func(tl->il, thumb_loader_error_cb, tl);
304 if (tl->func_progress) image_loader_set_percent_func(tl->il, thumb_loader_percent_cb, tl);
307 void thumb_loader_set_callbacks(ThumbLoader *tl,
308 ThumbLoaderFunc func_done,
309 ThumbLoaderFunc func_error,
310 ThumbLoaderFunc func_progress,
315 if (tl->standard_loader)
317 thumb_loader_std_set_callbacks((ThumbLoaderStd *)tl,
318 (ThumbLoaderStdFunc) func_done,
319 (ThumbLoaderStdFunc) func_error,
320 (ThumbLoaderStdFunc) func_progress,
325 tl->func_done = func_done;
326 tl->func_error = func_error;
327 tl->func_progress = func_progress;
332 void thumb_loader_set_cache(ThumbLoader *tl, gint enable_cache, gint local, gint retry_failed)
336 if (tl->standard_loader)
338 thumb_loader_std_set_cache((ThumbLoaderStd *)tl, enable_cache, local, retry_failed);
342 tl->cache_enable = enable_cache;
344 tl->cache_local = local;
345 tl->cache_retry = retry_failed;
350 gint thumb_loader_start(ThumbLoader *tl, FileData *fd)
352 gchar *cache_path = NULL;
354 if (!tl) return FALSE;
356 if (tl->standard_loader)
358 return thumb_loader_std_start((ThumbLoaderStd *)tl, fd);
361 if (!tl->fd && !fd) return FALSE;
363 if (!tl->fd) tl->fd = file_data_ref(fd);
365 if (tl->cache_enable)
367 cache_path = cache_find_location(CACHE_TYPE_THUMB, tl->fd->path);
371 if (cache_time_valid(cache_path, tl->fd->path))
373 DEBUG_1("Found in cache:%s", tl->fd->path);
375 if (filesize(cache_path) == 0)
377 DEBUG_1("Broken image mark found:%s", cache_path);
382 DEBUG_1("Cache location:%s", cache_path);
392 if (!cache_path && options->thumbnails.use_xvpics)
394 if (tl->fd->thumb_pixbuf) g_object_unref(tl->fd->thumb_pixbuf);
395 tl->fd->thumb_pixbuf = get_xv_thumbnail(tl->fd->path, tl->max_w, tl->max_h);
396 if (tl->fd->thumb_pixbuf)
398 thumb_loader_delay_done(tl);
405 thumb_loader_setup(tl, cache_path);
407 tl->cache_hit = TRUE;
411 thumb_loader_setup(tl, tl->fd->path);
414 if (!image_loader_start(tl->il, thumb_loader_done_cb, tl))
416 /* try from original if cache attempt */
419 tl->cache_hit = FALSE;
420 log_printf("%s", _("Thumbnail image in cache failed to load, trying to recreate.\n"));
422 thumb_loader_setup(tl, tl->fd->path);
423 if (image_loader_start(tl->il, thumb_loader_done_cb, tl)) return TRUE;
425 /* mark failed thumbnail in cache with 0 byte file */
426 if (tl->cache_enable)
428 thumb_loader_mark_failure(tl);
431 image_loader_free(tl->il);
440 gint thumb_loader_to_pixmap(ThumbLoader *tl, GdkPixmap **pixmap, GdkBitmap **mask)
442 if (!tl || !tl->pixbuf) return -1;
444 gdk_pixbuf_render_pixmap_and_mask(tl->pixbuf, pixmap, mask, 128);
446 return thumb_loader_get_space(tl);
450 GdkPixbuf *thumb_loader_get_pixbuf(ThumbLoader *tl, gint with_fallback)
454 if (tl && tl->standard_loader)
456 return thumb_loader_std_get_pixbuf((ThumbLoaderStd *)tl, with_fallback);
459 if (tl && tl->fd && tl->fd->thumb_pixbuf)
461 pixbuf = tl->fd->thumb_pixbuf;
462 g_object_ref(pixbuf);
464 else if (with_fallback)
468 pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
469 w = gdk_pixbuf_get_width(pixbuf);
470 h = gdk_pixbuf_get_height(pixbuf);
471 if ((w > tl->max_w || h > tl->max_h) &&
472 normalize_thumb(&w, &h, tl->max_w, tl->max_h))
477 pixbuf = gdk_pixbuf_scale_simple(tmp, w, h, GDK_INTERP_NEAREST);
478 gdk_pixbuf_unref(tmp);
490 gint thumb_loader_get_space(ThumbLoader *tl)
494 if (tl->pixbuf) return (tl->max_w - gdk_pixbuf_get_width(tl->pixbuf));
500 ThumbLoader *thumb_loader_new(gint width, gint height)
504 if (options->thumbnails.spec_standard)
506 return (ThumbLoader *)thumb_loader_std_new(width, height);
509 tl = g_new0(ThumbLoader, 1);
510 tl->standard_loader = FALSE;
512 tl->cache_enable = options->thumbnails.enable_caching;
513 tl->cache_hit = FALSE;
514 tl->percent_done = 0.0;
520 tl->idle_done_id = -1;
525 void thumb_loader_free(ThumbLoader *tl)
529 if (tl->standard_loader)
531 thumb_loader_std_free((ThumbLoaderStd *)tl);
535 image_loader_free(tl->il);
536 file_data_unref(tl->fd);
538 if (tl->idle_done_id != -1) g_source_remove(tl->idle_done_id);
544 gint thumb_from_xpm_d(const char **data, gint max_w, gint max_h, GdkPixmap **pixmap, GdkBitmap **mask)
549 pixbuf = gdk_pixbuf_new_from_xpm_data(data);
550 w = gdk_pixbuf_get_width(pixbuf);
551 h = gdk_pixbuf_get_height(pixbuf);
553 if ((w > max_w || h > max_h) &&
554 normalize_thumb(&w, &h, max_w, max_h))
560 pixbuf = gdk_pixbuf_scale_simple(tmp, w, h, GDK_INTERP_NEAREST);
561 gdk_pixbuf_unref(tmp);
564 gdk_pixbuf_render_pixmap_and_mask(pixbuf, pixmap, mask, 128);
565 gdk_pixbuf_unref(pixbuf);
572 *-----------------------------------------------------------------------------
573 * xvpics thumbnail support, read-only (private)
574 *-----------------------------------------------------------------------------
578 * xvpics code originally supplied by:
579 * "Diederen Damien" <D.Diederen@student.ulg.ac.be>
581 * Note: Code has been modified to fit the style of the other code, and to use
582 * a few more glib-isms.
583 * 08-28-2000: Updated to return a gdk_pixbuf, Imlib is dieing a death here.
586 #define XV_BUFFER 2048
587 static guchar *load_xv_thumbnail(gchar *filename, gint *widthp, gint *heightp)
590 gchar buffer[XV_BUFFER];
592 gint width, height, depth;
594 file = fopen(filename, "rt");
595 if (!file) return NULL;
597 fgets(buffer, XV_BUFFER, file);
598 if (strncmp(buffer, "P7 332", 6) != 0)
604 while (fgets(buffer, XV_BUFFER, file) && buffer[0] == '#') /* do_nothing() */;
606 if (sscanf(buffer, "%d %d %d", &width, &height, &depth) != 3)
612 data = g_new(guchar, width * height);
613 fread(data, 1, width * height, file);
622 static gint normalize_thumb(gint *width, gint *height, gint max_w, gint max_h)
627 scale = MIN((gdouble) max_w / *width, (gdouble) max_h / *height);
628 new_w = *width * scale;
629 new_h = *height * scale;
631 if (new_w != *width || new_h != *height)
641 static void free_rgb_buffer(guchar *pixels, gpointer data)
646 static GdkPixbuf *get_xv_thumbnail(gchar *thumb_filename, gint max_w, gint max_h)
655 path = path_from_utf8(thumb_filename);
656 directory = g_path_get_dirname(path);
657 name = g_path_get_basename(path);
659 thumb_name = g_build_filename(directory, ".xvpics", name, NULL);
665 packed_data = load_xv_thumbnail(thumb_name, &width, &height);
674 rgb_data = g_new(guchar, width * height * 3);
675 for (i = 0; i < width * height; i++)
677 rgb_data[i * 3 + 0] = (packed_data[i] >> 5) * 36;
678 rgb_data[i * 3 + 1] = ((packed_data[i] & 28) >> 2) * 36;
679 rgb_data[i * 3 + 2] = (packed_data[i] & 3) * 85;
683 pixbuf = gdk_pixbuf_new_from_data(rgb_data, GDK_COLORSPACE_RGB, FALSE, 8,
684 width, height, 3 * width, free_rgb_buffer, NULL);
686 if (normalize_thumb(&width, &height, max_w, max_h))
692 pixbuf = gdk_pixbuf_scale_simple(tmp, width, height, GDK_INTERP_NEAREST);
693 gdk_pixbuf_unref(tmp);