HQ2xScaler.hh

Go to the documentation of this file.

#ifndef HQ2XSCALER_HH
#define HQ2XSCALER_HH
 
#include "Scaler2.hh"
#include "PixelOperations.hh"
 
namespace openmsx {
 
template<std::unsigned_integral Pixel>
class HQ2xScaler final : public Scaler2<Pixel>
{
public:
        explicit HQ2xScaler(const PixelOperations<Pixel>& pixelOps);
 
        void scale1x1to3x2(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY) override;
        void scale1x1to2x2(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY) override;
        void scale2x1to3x2(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY) override;
        void scale1x1to1x2(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY) override;
        void scale4x1to3x2(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY) override;
        void scale2x1to1x2(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY) override;
 
private:
        PixelOperations<Pixel> pixelOps;
};
 
} // namespace openmsx
 
#endif