// $Id: HQ2xLiteScaler.hh 5740 2006-10-03 16:51:29Z m9710797 $

#ifndef HQ2XLITESCALER_HH
#define HQ2XLITESCALER_HH

#include "Scaler2.hh"

namespace openmsx {

template <class Pixel>
class HQ2xLiteScaler: public Scaler2<Pixel>
{
public:
	explicit HQ2xLiteScaler(const PixelOperations<Pixel>& pixelOps);

	virtual void scale1x1to3x2(FrameSource& src,
		unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
		OutputSurface& dst, unsigned dstStartY, unsigned dstEndY);
	virtual void scale1x1to2x2(FrameSource& src,
		unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
		OutputSurface& dst, unsigned dstStartY, unsigned dstEndY);
	virtual void scale2x1to3x2(FrameSource& src,
		unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
		OutputSurface& dst, unsigned dstStartY, unsigned dstEndY);
	virtual void scale1x1to1x2(FrameSource& src,
		unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
		OutputSurface& dst, unsigned dstStartY, unsigned dstEndY);
	virtual void scale4x1to3x2(FrameSource& src,
		unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
		OutputSurface& dst, unsigned dstStartY, unsigned dstEndY);
	virtual void scale2x1to1x2(FrameSource& src,
		unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
		OutputSurface& dst, unsigned dstStartY, unsigned dstEndY);

private:
	PixelOperations<Pixel> pixelOps;
};

} // namespace openmsx

#endif