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

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UpoRGB2rg.h

Go to the documentation of this file.

#ifndef Impala_Core_Array_Trait_UpoRGB2rg_h
#define Impala_Core_Array_Trait_UpoRGB2rg_h

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


template<class StorT>
class UpoRGB2rgPtr
{
public:
    typedef Pattern::TagTransInVar TransVarianceCategory;
    typedef Pattern::TagCallPointer CallCategory;

    UpoRGB2rgPtr()
    {
    }

    void DoIt(Real64 *rg, StorT* RGB)
    {
        Real64 total = RGB[0] + RGB[1] + RGB[2];
        if(fabs(total) < 0.00001) {
            rg[0] = 1.0 / 3.0;
            rg[1] = 1.0 / 3.0;
            rg[2] = 1.0 / 3.0;
        }
        else
        {
            rg[0] = RGB[0] / total;
            rg[1] = RGB[1] / total;
            rg[2] = RGB[2] / total;
        }
    }
};

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

#endif //UpoRGB2rg_h

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