color.hxx

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#ifndef INCLUDED_CPPCANVAS_COLOR_HXX
#define INCLUDED_CPPCANVAS_COLOR_HXX
 
#include <sal/types.h>
 
/* Definition of Color class */
 
namespace cppcanvas
{
    typedef sal_uInt32 IntSRGBA;
 
    inline sal_uInt8 getRed( IntSRGBA nCol )
    {
        return static_cast<sal_uInt8>( (nCol&0xFF000000U) >> 24U );
    }
 
    inline sal_uInt8 getGreen( IntSRGBA nCol )
    {
        return static_cast<sal_uInt8>( (nCol&0x00FF0000U) >> 16U );
    }
 
    inline sal_uInt8 getBlue( IntSRGBA nCol )
    {
        return static_cast<sal_uInt8>( (nCol&0x0000FF00U) >> 8U );
    }
 
    inline sal_uInt8 getAlpha( IntSRGBA nCol )
    {
        return static_cast<sal_uInt8>( nCol&0x000000FFU );
    }
 
    inline IntSRGBA makeColor( sal_uInt8 nRed, sal_uInt8 nGreen, sal_uInt8 nBlue, sal_uInt8 nAlpha )
    {
        return (nRed << 24U)|(nGreen << 16U)|(nBlue << 8U)|nAlpha;
    }
 
    inline sal_Int32 makeColorARGB( sal_uInt8 nAlpha, sal_uInt8 nRed, sal_uInt8 nGreen, sal_uInt8 nBlue)
    {
        return (nAlpha << 24U)|(nRed << 16U)|(nGreen << 8U)|nBlue;
    }
 
}
 
#endif // INCLUDED_CPPCANVAS_COLOR_HXX
 
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