ScalerOutput.hh

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#ifndef SCALEROUTPUT_HH
#define SCALEROUTPUT_HH

namespace openmsx {

template<typename Pixel> class ScalerOutput
{
public:
        virtual ~ScalerOutput() = default;

        virtual unsigned getWidth()  const = 0;
        virtual unsigned getHeight() const = 0;

        virtual Pixel* acquireLine(unsigned y) = 0;
        virtual void   releaseLine(unsigned y, Pixel* buf) = 0;
        virtual void   fillLine   (unsigned y, Pixel color) = 0;
        // TODO add copyLine() optimization

protected:
        ScalerOutput() = default;
};

} // namespace openmsx

#endif