Scaler1.hh

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#ifndef SCALER1_HH
#define SCALER1_HH
 
#include "Scaler.hh"
#include "PixelOperations.hh"
 
namespace openmsx {
 
template<std::unsigned_integral Pixel>
class Scaler1 final : public Scaler<Pixel>
{
public:
        explicit Scaler1(const PixelOperations<Pixel>& pixelOps);
 
        void scaleImage(FrameSource& src, const RawFrame* superImpose,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY) override;
 
protected:
        void dispatchScale(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scaleBlank1to1(
                FrameSource& src, unsigned srcStartY, unsigned srcEndY,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scaleBlank2to1(
                FrameSource& src, unsigned srcStartY, unsigned srcEndY,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scale2x1to3x1(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scale2x2to3x1(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scale1x1to1x1(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scale1x2to1x1(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scale4x1to3x1(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scale4x2to3x1(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scale2x1to1x1(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scale2x2to1x1(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scale8x1to3x1(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scale8x2to3x1(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scale4x1to1x1(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
        virtual void scale4x2to1x1(FrameSource& src,
                unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,
                ScalerOutput<Pixel>& dst, unsigned dstStartY, unsigned dstEndY);
 
protected:
        const PixelOperations<Pixel> pixelOps;
};
 
} // namespace openmsx
 
#endif