42 lines
1.2 KiB
C
42 lines
1.2 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 PNG_SIGNATURE "\x89PNG"
|
|
|
|
GdkTexture *gdk_load_png (GBytes *bytes,
|
|
GError **error);
|
|
|
|
GBytes *gdk_save_png (GdkTexture *texture);
|
|
|
|
static inline gboolean
|
|
gdk_is_png (GBytes *bytes)
|
|
{
|
|
const char *data;
|
|
gsize size;
|
|
|
|
data = g_bytes_get_data (bytes, &size);
|
|
|
|
return size > strlen (PNG_SIGNATURE) &&
|
|
memcmp (data, PNG_SIGNATURE, strlen (PNG_SIGNATURE)) == 0;
|
|
}
|
|
|