mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-26 13:41:07 +00:00
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/* GDK - The GIMP Drawing Kit
|
|
* Copyright (C) 2021 Red Hat, Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "gdktexture.h"
|
|
#include <gio/gio.h>
|
|
|
|
#define TIFF_SIGNATURE1 "MM\x00\x2a"
|
|
#define TIFF_SIGNATURE2 "II\x2a\x00"
|
|
|
|
GdkTexture *gdk_load_tiff (GBytes *bytes,
|
|
GError **error);
|
|
|
|
GBytes * gdk_save_tiff (GdkTexture *texture);
|
|
|
|
static inline gboolean
|
|
gdk_is_tiff (GBytes *bytes)
|
|
{
|
|
const char *data;
|
|
gsize size;
|
|
|
|
data = g_bytes_get_data (bytes, &size);
|
|
|
|
return (size > strlen (TIFF_SIGNATURE1) &&
|
|
memcmp (data, TIFF_SIGNATURE1, strlen (TIFF_SIGNATURE1)) == 0) ||
|
|
(size > strlen (TIFF_SIGNATURE2) &&
|
|
memcmp (data, TIFF_SIGNATURE2, strlen (TIFF_SIGNATURE2)) == 0);
|
|
}
|
|
|