|| || || || || || || ||

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UpoRGB2Gray.h

Go to the documentation of this file.

#ifndef Impala_Core_Array_Trait_UpoRGB2Gray_h
#define Impala_Core_Array_Trait_UpoRGB2Gray_h

#include "Core/Array/Pattern/Categories.h"

namespace Impala
{
namespace Core
{
namespace Array
{
namespace Trait
{


template<class DstArrayT, class SrcArrayT>
class UpoRGB2Gray
{
public:
    typedef Pattern::TagTransInVar TransVarianceCategory;

    typedef Pattern::TagCallValue CallCategory;

    typedef typename DstArrayT::ArithType DstArithT;
    typedef typename SrcArrayT::ArithType SrcArithT;

    UpoRGB2Gray()
    {
    }

    DstArithT
    DoIt(const SrcArithT& x)
    {
        /* corresponds to Matlab rgb2gray function */
        return (0.298936021293775*x.X() + 0.587043074451121*x.Y() + 0.114020904255103*x.Z());
    }
};

} // namespace Trait
} // namespace Array
} // namespace Core
} // namespace Impala

#endif

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