1/*
2 * Copyright (C) 2016 Bastien Nocera <hadess@hadess.net>
3 *
4 * Authors: Bastien Nocera <hadess@hadess.net>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 *
20 */
21
22#include <string.h>
23#include <glib.h>
24
25#include "gnome-thumbnailer-skeleton.h"
26
27GdkPixbuf *
28file_to_pixbuf (const char *path,
29 guint destination_size,
30 GError **error)
31{
32 GdkPixbuf *pixbuf, *tmp_pixbuf;
33 const char *original_width_str, *original_height_str;
34
35 pixbuf = gdk_pixbuf_new_from_file_at_size (filename: path, width: destination_size, height: destination_size, error);
36 if (pixbuf == NULL)
37 return NULL;
38
39 /* The GIF codec throws GDK_PIXBUF_ERROR_INCOMPLETE_ANIMATION
40 * if it's closed without decoding all the frames. Since
41 * gdk_pixbuf_new_from_file_at_size only decodes the first
42 * frame, this specific error needs to be ignored.
43 */
44 if (error != NULL && g_error_matches (error: *error, GDK_PIXBUF_ERROR, code: GDK_PIXBUF_ERROR_INCOMPLETE_ANIMATION))
45 g_clear_error (err: error);
46
47 tmp_pixbuf = gdk_pixbuf_apply_embedded_orientation (src: pixbuf);
48 gdk_pixbuf_copy_options (src_pixbuf: pixbuf, dest_pixbuf: tmp_pixbuf);
49 gdk_pixbuf_remove_option (pixbuf: tmp_pixbuf, key: "orientation");
50 g_object_unref (object: pixbuf);
51 pixbuf = tmp_pixbuf;
52
53 original_width_str = gdk_pixbuf_get_option (pixbuf, key: "original-width");
54 original_height_str = gdk_pixbuf_get_option (pixbuf, key: "original-height");
55
56 if (original_width_str != NULL)
57 gdk_pixbuf_set_option (pixbuf, key: "tEXt::Thumb::Image::Width", value: original_width_str);
58
59 if (original_height_str != NULL)
60 gdk_pixbuf_set_option (pixbuf, key: "tEXt::Thumb::Image::Height", value: original_height_str);
61
62 return pixbuf;
63}
64

source code of gtk/subprojects/gdk-pixbuf/thumbnailer/gdk-pixbuf-thumbnailer.c