/* 
 * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef __BLEND_H__
#define __BLEND_H__

#include <gst/gst.h>

typedef void (*BlendFunction) (const guint8 * src, gint xpos, gint ypos, gint src_width, gint src_height, gdouble src_alpha, guint8 * dest, gint dest_width, gint dest_height);
typedef void (*FillCheckerFunction) (guint8 * dest, gint width, gint height);
typedef void (*FillColorFunction) (guint8 * dest, gint width, gint height, gint c1, gint c2, gint c3);

extern BlendFunction gst_video_mixer_blend_argb;
extern BlendFunction gst_video_mixer_blend_bgra;
#define gst_video_mixer_blend_ayuv gst_video_mixer_blend_argb
extern BlendFunction gst_video_mixer_blend_i420;
extern BlendFunction gst_video_mixer_blend_rgb;
#define gst_video_mixer_blend_bgr gst_video_mixer_blend_rgb
extern BlendFunction gst_video_mixer_blend_rgbx;
#define gst_video_mixer_blend_bgrx gst_video_mixer_blend_rgbx
#define gst_video_mixer_blend_xrgb gst_video_mixer_blend_rgbx
#define gst_video_mixer_blend_xbgr gst_video_mixer_blend_rgbx

extern FillCheckerFunction gst_video_mixer_fill_checker_argb;
extern FillCheckerFunction gst_video_mixer_fill_checker_bgra;
extern FillCheckerFunction gst_video_mixer_fill_checker_ayuv;
extern FillCheckerFunction gst_video_mixer_fill_checker_i420;
extern FillCheckerFunction gst_video_mixer_fill_checker_rgb;
#define gst_video_mixer_fill_checker_bgr gst_video_mixer_fill_checker_rgb
extern FillCheckerFunction gst_video_mixer_fill_checker_rgbx;
#define gst_video_mixer_fill_checker_bgrx gst_video_mixer_fill_checker_rgbx
#define gst_video_mixer_fill_checker_xrgb gst_video_mixer_fill_checker_rgbx
#define gst_video_mixer_fill_checker_xbgr gst_video_mixer_fill_checker_rgbx

extern FillColorFunction gst_video_mixer_fill_color_argb;
extern FillColorFunction gst_video_mixer_fill_color_bgra;
extern FillColorFunction gst_video_mixer_fill_color_ayuv;
extern FillColorFunction gst_video_mixer_fill_color_i420;
extern FillColorFunction gst_video_mixer_fill_color_rgb;
extern FillColorFunction gst_video_mixer_fill_color_bgr;
extern FillColorFunction gst_video_mixer_fill_color_xrgb;
extern FillColorFunction gst_video_mixer_fill_color_xbgr;
extern FillColorFunction gst_video_mixer_fill_color_rgbx;
extern FillColorFunction gst_video_mixer_fill_color_bgrx;

void gst_video_mixer_init_blend (void);

#endif /* __BLEND_H__ */