scummvm/graphics/scaler/hq.h

55 lines
1.9 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRAPHICS_SCALER_HQ_H
#define GRAPHICS_SCALER_HQ_H
#include "graphics/scalerplugin.h"
#ifdef USE_NASM
struct hqx_parameters;
#endif
class HQScaler : public Scaler {
public:
HQScaler(const Graphics::PixelFormat &format);
~HQScaler();
uint increaseFactor() override;
uint decreaseFactor() override;
protected:
virtual void scaleIntern(const uint8 *srcPtr, uint32 srcPitch,
uint8 *dstPtr, uint32 dstPitch, int width, int height, int x, int y) override;
void initLUT(Graphics::PixelFormat format);
inline void HQ2x16(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height);
inline void HQ3x16(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height);
inline void HQ2x32(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height);
inline void HQ3x32(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height);
uint32 *_RGBtoYUV;
#ifdef USE_NASM
hqx_parameters *_hqx_params;
#endif
};
#endif