Пример #1
0
static void thumb_loader_std_done_cb(ImageLoader *il, gpointer data)
{
	ThumbLoaderStd *tl = data;
	GdkPixbuf *pixbuf;

	if (debug)
		{
		printf("thumb image done: %s\n", tl->source_path);
		printf("            from: %s\n", tl->il->path);
		}

	pixbuf = image_loader_get_pixbuf(tl->il);
	if (!pixbuf)
		{
		if (debug) printf("...but no pixbuf\n");
		thumb_loader_std_error_cb(il, data);
		return;
		}

	if (tl->thumb_path && !thumb_loader_std_validate(tl, pixbuf))
		{
		if (thumb_loader_std_next_source(tl, TRUE)) return;

		if (tl->func_error) tl->func_error(tl, tl->data);
		return;
		}

	tl->cache_hit = (tl->thumb_path != NULL);

	tl->pixbuf = thumb_loader_std_finish(tl, pixbuf);

	if (tl->func_done) tl->func_done(tl, tl->data);
}
Пример #2
0
static void thumb_loader_std_error_cb(ImageLoader *il, gpointer data)
{
	ThumbLoaderStd *tl = data;

	/* if at least some of the image is available, go to done */
	if (image_loader_get_pixbuf(tl->il) != NULL)
		{
		thumb_loader_std_done_cb(il, data);
		return;
		}

	if (debug)
		{
		printf("thumb image error: %s\n", tl->source_path);
		printf("             from: %s\n", tl->il->path);
		}

	if (thumb_loader_std_next_source(tl, TRUE)) return;

	if (tl->func_error) tl->func_error(tl, tl->data);
}
Пример #3
0
static void
cb_thumb_loader_done (ImageLoader * il, gpointer data)
{
    ThumbLoader *tl = data;
    GdkPixbuf *pixbuf;
    gint    pw, ph;
    gint    save;

    pixbuf = image_loader_get_pixbuf (tl->il);
    if (!pixbuf)
    {
	cb_thumb_loader_error (tl->il, tl);
	return;
    }

    pw = gdk_pixbuf_get_width (pixbuf);
    ph = gdk_pixbuf_get_height (pixbuf);

    if (tl->from_cache && pw != tl->max_w && ph != tl->max_h)
    {
	/*
	 * requested thumbnail size may have changed, load original 
	 */
	tl->from_cache = FALSE;

	image_loader_free (tl->il);
	thumb_loader_setup (tl, tl->path);

	if (!image_loader_start (tl->il, cb_thumb_loader_done, tl))
	    cb_thumb_loader_error (tl->il, tl);

	return;
    }

    gdk_pixbuf_ref (pixbuf);

    /*
     * scale ?? 
     */

    if (pw > tl->max_w || ph > tl->max_h)
    {
	gint    w, h;

	if (((float) tl->max_w / pw) < ((float) tl->max_h / ph))
	{
	    w = tl->max_w;
	    h = (float) w / pw * ph;
	    if (h < 1)
		h = 1;
	}
	else
	{
	    h = tl->max_h;
	    w = (float) h / ph * pw;
	    if (w < 1)
		w = 1;
	}

	tl->pixbuf =
	    gdk_pixbuf_scale_simple (pixbuf, w, h,
				     (GdkInterpType) conf.thumbnail_quality);
	save = TRUE;
    }
    else
    {
	tl->pixbuf = pixbuf;
	save = FALSE;
    }
    gdk_pixbuf_ref (tl->pixbuf);

    gdk_pixbuf_unref (pixbuf);

    /*
     * save it ? 
     */
    if (conf.enable_thumb_caching && save)
    {
	thumb_loader_save_to_cache (tl);
    }

    if (tl->func_done)
	tl->func_done (tl, tl->data_done);
}
Пример #4
0
static gboolean cache_loader_process(CacheLoader *cl)
{
	if (cl->todo_mask & CACHE_LOADER_SIMILARITY &&
	    !cl->cd->similarity)
		{
		GdkPixbuf *pixbuf;

		if (!cl->il && !cl->error)
			{
			cl->il = image_loader_new(cl->fd);
			g_signal_connect(G_OBJECT(cl->il), "error", (GCallback)cache_loader_error_cb, cl);
			g_signal_connect(G_OBJECT(cl->il), "done", (GCallback)cache_loader_done_cb, cl);
			if (image_loader_start(cl->il))
				{
				return FALSE;
				}

			cl->error = TRUE;
			}

		pixbuf = image_loader_get_pixbuf(cl->il);
		if (pixbuf)
			{
			if (!cl->error)
				{
				ImageSimilarityData *sim;

				sim = image_sim_new_from_pixbuf(pixbuf);
				cache_sim_data_set_similarity(cl->cd, sim);
				image_sim_free(sim);

				cl->done_mask |= CACHE_LOADER_SIMILARITY;
				}

			/* we have the dimensions via pixbuf */
			if (!cl->cd->dimensions)
				{
				cache_sim_data_set_dimensions(cl->cd, gdk_pixbuf_get_width(pixbuf),
								      gdk_pixbuf_get_height(pixbuf));
				if (cl->todo_mask & CACHE_LOADER_DIMENSIONS)
					{
					cl->todo_mask &= ~CACHE_LOADER_DIMENSIONS;
					cl->done_mask |= CACHE_LOADER_DIMENSIONS;
					}
				}
			}

		image_loader_free(cl->il);
		cl->il = NULL;

		cl->todo_mask &= ~CACHE_LOADER_SIMILARITY;
		}
	else if (cl->todo_mask & CACHE_LOADER_DIMENSIONS &&
		 !cl->cd->dimensions)
		{
		if (!cl->error &&
		    image_load_dimensions(cl->fd, &cl->cd->width, &cl->cd->height))
			{
			cl->cd->dimensions = TRUE;
			cl->done_mask |= CACHE_LOADER_DIMENSIONS;
			}
		else
			{
			cl->error = TRUE;
			}

		cl->todo_mask &= ~CACHE_LOADER_DIMENSIONS;
		}
	else if (cl->todo_mask & CACHE_LOADER_MD5SUM &&
		 !cl->cd->have_md5sum)
		{
		if (md5_get_digest_from_file_utf8(cl->fd->path, cl->cd->md5sum))
			{
			cl->cd->have_md5sum = TRUE;
			cl->done_mask |= CACHE_LOADER_MD5SUM;
			}
		else
			{
			cl->error = TRUE;
			}

		cl->todo_mask &= ~CACHE_LOADER_MD5SUM;
		}
	else if (cl->todo_mask & CACHE_LOADER_DATE &&
		 !cl->cd->have_date)
		{
		time_t date = -1;
		gchar *text;

		text =  metadata_read_string(cl->fd, "formatted.DateTime", METADATA_FORMATTED);
		if (text)
			{
			struct tm t;

			memset(&t, 0, sizeof(t));

			if (sscanf(text, "%d:%d:%d %d:%d:%d", &t.tm_year, &t.tm_mon, &t.tm_mday,
				   &t.tm_hour, &t.tm_min, &t.tm_sec) == 6)
				{
				t.tm_year -= 1900;
				t.tm_mon -= 1;
				t.tm_isdst = -1;
				date = mktime(&t);
				}
			g_free(text);
			}

		cl->cd->date = date;
		cl->cd->have_date = TRUE;

		cl->done_mask |= CACHE_LOADER_DATE;
		cl->todo_mask &= ~CACHE_LOADER_DATE;
		}
	else
		{
		/* done, save then call done function */
		if (options->thumbnails.enable_caching &&
		    cl->done_mask != CACHE_LOADER_NONE)
			{
			gchar *base;
			mode_t mode = 0755;

			base = cache_get_location(CACHE_TYPE_SIM, cl->fd->path, FALSE, &mode);
			if (recursive_mkdir_if_not_exists(base, mode))
				{
				g_free(cl->cd->path);
				cl->cd->path = cache_get_location(CACHE_TYPE_SIM, cl->fd->path, TRUE, NULL);
				if (cache_sim_data_save(cl->cd))
					{
					filetime_set(cl->cd->path, filetime(cl->fd->path));
					}
				}
			g_free(base);
			}

		cl->idle_id = 0;

		if (cl->done_func)
			{
			cl->done_func(cl, cl->error, cl->done_data);
			}

		return FALSE;
		}

	return TRUE;
}