V9990BitmapConverter.hh

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#ifndef V9990BITMAPCONVERTER_HH
#define V9990BITMAPCONVERTER_HH
 
#include "V9990ModeEnum.hh"
#include "one_of.hh"
#include <cstdint>
#include <span>
 
namespace openmsx {
 
class V9990;
class V9990VRAM;
 
class V9990BitmapConverter
{
public:
        using Pixel = uint32_t;
 
        V9990BitmapConverter(
                V9990& vdp,
                std::span<const Pixel,    64> palette64,  std::span<const int16_t,  64> palette64_32768,
                std::span<const Pixel,   256> palette256, std::span<const int16_t, 256> palette256_32768,
                std::span<const Pixel, 32768> palette32768);
 
        void convertLine(std::span<Pixel> dst, unsigned x, unsigned y,
                         int cursorY, bool drawCursors) const;
 
        void setColorMode(V9990ColorMode colorMode_, V9990DisplayMode display) {
                colorMode = colorMode_;
                highRes = isHighRes(display);
        }
 
private:
        [[nodiscard]] static bool isHighRes(V9990DisplayMode display) {
                using enum V9990DisplayMode;
                return display == one_of(B4, B5, B6, B7);
        }
 
private:
        V9990& vdp;
 
        V9990VRAM& vram;
 
        std::span<const Pixel, 64> const palette64;
        std::span<const int16_t, 64> const palette64_32768;
 
        std::span<const Pixel, 256> const palette256;
        std::span<const int16_t, 256> const palette256_32768;
 
        std::span<const Pixel, 32768> const palette32768;
 
        V9990ColorMode colorMode;
        bool highRes;
};
 
} // namespace openmsx
 
#endif