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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef GRAPHICS_CONVERSION_H
#define GRAPHICS_CONVERSION_H
#include "common/scummsys.h"
#include "graphics/pixelformat.h"
namespace Graphics {
// TODO: generic YUV to RGB pixel conversion
// TODO: generic YUV to RGB blit
/**
* Convert a rectangle from the one format to another, and blits it.
*
* @param dstbuf the buffer which will recieve the converted graphics data
* @param srcbuf the buffer containing the original graphics data
* @param dstpitch width in bytes of one full line of the dest buffer
* @param srcpitch width in bytes of one full line of the source buffer
* @param w the width of the graphics data
* @param h the height of the graphics data
* @param dstFmt the desired pixel format
* @param srcFmt the original pixel format
* @return true if conversion completes successfully,
* false if there is an error.
*
* @note This implementation currently requires the destination's
* format have at least as high a bitdepth as the source's.
*
*/
bool crossBlit(byte *dst, const byte *src, int dstpitch, int srcpitch,
int w, int h, Graphics::PixelFormat dstFmt, Graphics::PixelFormat srcFmt);
} // end of namespace Graphics
#endif //GRAPHICS_CONVERSION_H
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