Scanline.hxx

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#ifndef INCLUDED_VCL_SCANLINE_HXX
#define INCLUDED_VCL_SCANLINE_HXX

#include <o3tl/typed_flags_set.hxx>

typedef sal_uInt8*        Scanline;
typedef const sal_uInt8*  ConstScanline;

enum class ScanlineFormat {
    NONE              = 0x00000000,

    N1BitMsbPal       = 0x00000001,
    N1BitLsbPal       = 0x00000002,

    N4BitMsnPal       = 0x00000004,
    N4BitLsnPal       = 0x00000008,

    N8BitPal          = 0x00000010,

    N24BitTcBgr       = 0x00000100,
    N24BitTcRgb       = 0x00000200,

    N32BitTcAbgr      = 0x00000800,
    N32BitTcArgb      = 0x00001000,
    N32BitTcBgra      = 0x00002000,
    N32BitTcRgba      = 0x00004000,
    N32BitTcMask      = 0x00008000,

    TopDown           = 0x00010000 // scanline adjustment
};

namespace o3tl
{
    template<> struct typed_flags<ScanlineFormat> : is_typed_flags<ScanlineFormat, 0x0001fb1f> {};
}

inline ScanlineFormat RemoveScanline(ScanlineFormat nFormat)
{
    return nFormat & ~ScanlineFormat::TopDown;
}

#endif // INCLUDED_VCL_SCANLINE_HXX

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