DoubledFrame.hh

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#ifndef DOUBLEDFRAME_HH
#define DOUBLEDFRAME_HH

#include "FrameSource.hh"

namespace openmsx {

class DoubledFrame : public FrameSource
{
public:
        explicit DoubledFrame(const SDL_PixelFormat& format);
        void init(FrameSource* field, unsigned skip);

private:
        virtual unsigned getLineWidth(unsigned line) const;
        virtual const void* getLineInfo(
                unsigned line, unsigned& width,
                void* buf, unsigned bufWidth) const;

        FrameSource* field;
        unsigned skip;
};

} // namespace openmsx

#endif