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/*
* Copyright © 2018 Benjamin Otte
*
* 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 2.1 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/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#ifndef __GDK_MEMORY_TEXTURE_PRIVATE_H__
#define __GDK_MEMORY_TEXTURE_PRIVATE_H__
#include "gdkmemorytexture.h"
#include "gdktextureprivate.h"
G_BEGIN_DECLS
#define GDK_MEMORY_GDK_PIXBUF_OPAQUE GDK_MEMORY_R8G8B8
#define GDK_MEMORY_GDK_PIXBUF_ALPHA GDK_MEMORY_R8G8B8A8
typedef enum {
GDK_MEMORY_CONVERT_DOWNLOAD_LITTLE_ENDIAN,
GDK_MEMORY_CONVERT_DOWNLOAD_BIT_ENDIAN,
GDK_MEMORY_CONVERT_GLES_RGBA,
GDK_MEMORY_N_CONVERSIONS
} GdkMemoryConversion;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
#define GDK_MEMORY_CONVERT_DOWNLOAD GDK_MEMORY_CONVERT_DOWNLOAD_LITTLE_ENDIAN
#elif G_BYTE_ORDER == G_BIG_ENDIAN
#define GDK_MEMORY_CONVERT_DOWNLOAD GDK_MEMORY_CONVERT_DOWNLOAD_BIG_ENDIAN
#else
#error "Unknown byte order for GDK_MEMORY_CONVERT_DOWNLOAD"
#endif
gsize gdk_memory_format_bytes_per_pixel (GdkMemoryFormat format);
GdkMemoryFormat gdk_memory_texture_get_format (GdkMemoryTexture *self);
const guchar * gdk_memory_texture_get_data (GdkMemoryTexture *self);
gsize gdk_memory_texture_get_stride (GdkMemoryTexture *self);
void gdk_memory_convert (guchar *dest_data,
gsize dest_stride,
GdkMemoryConversion dest_format,
const guchar *src_data,
gsize src_stride,
GdkMemoryFormat src_format,
gsize width,
gsize height);
void gdk_memory_convert_to_float (float *dest_data,
gsize dest_stride,
const guchar *src_data,
gsize src_stride,
GdkMemoryFormat src_format,
gsize width,
gsize height);
G_END_DECLS
#endif /* __GDK_MEMORY_TEXTURE_PRIVATE_H__ */
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