b3ituple.hxx

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#pragma once
 
#include <sal/types.h>
#include <basegfx/basegfxdllapi.h>
#include <basegfx/tuple/Tuple3D.hxx>
 
namespace basegfx
{
    class SAL_WARN_UNUSED BASEGFX_DLLPUBLIC B3ITuple : public Tuple3D<sal_Int32>
    {
    public:
        B3ITuple()
            : Tuple3D(0, 0, 0)
        {}
 
        B3ITuple(sal_Int32 nX, sal_Int32 nY, sal_Int32 nZ)
            : Tuple3D(nX, nY, nZ)
        {}
 
        const sal_Int32& operator[] (int nPos) const
        {
            // Here, normally two if(...)'s should be used. In the assumption that
            // both sal_Int32 members can be accessed as an array a shortcut is used here.
            // if(0 == nPos) return mnX; if(1 == nPos) return mnY; return mnZ;
            return *((&mnX) + nPos);
        }
 
        sal_Int32& operator[] (int nPos)
        {
            // Here, normally two if(...)'s should be used. In the assumption that
            // both sal_Int32 members can be accessed as an array a shortcut is used here.
            // if(0 == nPos) return mnX; if(1 == nPos) return mnY; return mnZ;
            return *((&mnX) + nPos);
        }
 
        // operators
 
        B3ITuple operator-(void) const
        {
            return B3ITuple(-mnX, -mnY, -mnZ);
        }
    };
 
} // end of namespace basegfx
 
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