root/modules/cudalegacy/src/cuda/NCVColorConversion.hpp

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DEFINITIONS

This source file includes following definitions.
  1. _pixColorConv
  2. _pixColorConv
  3. _ncvColorConv_host

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// this file does not contain any used code.

#ifndef _ncv_color_conversion_hpp_
#define _ncv_color_conversion_hpp_

#include "NCVPixelOperations.hpp"

#if 0
enum NCVColorSpace
{
    NCVColorSpaceGray,
    NCVColorSpaceRGBA,
};

template<NCVColorSpace CSin, NCVColorSpace CSout, typename Tin, typename Tout> struct __pixColorConv {
static void _pixColorConv(const Tin &pixIn, Tout &pixOut);
};

template<typename Tin, typename Tout> struct __pixColorConv<NCVColorSpaceRGBA, NCVColorSpaceGray, Tin, Tout> {
static void _pixColorConv(const Tin &pixIn, Tout &pixOut)
{
    Ncv32f luma = 0.299f * pixIn.x + 0.587f * pixIn.y + 0.114f * pixIn.z;
    _TDemoteClampNN(luma, pixOut.x);
}};

template<typename Tin, typename Tout> struct __pixColorConv<NCVColorSpaceGray, NCVColorSpaceRGBA, Tin, Tout> {
static void _pixColorConv(const Tin &pixIn, Tout &pixOut)
{
    _TDemoteClampNN(pixIn.x, pixOut.x);
    _TDemoteClampNN(pixIn.x, pixOut.y);
    _TDemoteClampNN(pixIn.x, pixOut.z);
    pixOut.w = 0;
}};

template<NCVColorSpace CSin, NCVColorSpace CSout, typename Tin, typename Tout>
static NCVStatus _ncvColorConv_host(const NCVMatrix<Tin> &h_imgIn,
                             const NCVMatrix<Tout> &h_imgOut)
{
    ncvAssertReturn(h_imgIn.size() == h_imgOut.size(), NCV_DIMENSIONS_INVALID);
    ncvAssertReturn(h_imgIn.memType() == h_imgOut.memType() &&
                    (h_imgIn.memType() == NCVMemoryTypeHostPinned || h_imgIn.memType() == NCVMemoryTypeNone), NCV_MEM_RESIDENCE_ERROR);
    NCV_SET_SKIP_COND(h_imgIn.memType() == NCVMemoryTypeNone);
    NCV_SKIP_COND_BEGIN

    for (Ncv32u i=0; i<h_imgIn.height(); i++)
    {
        for (Ncv32u j=0; j<h_imgIn.width(); j++)
        {
            __pixColorConv<CSin, CSout, Tin, Tout>::_pixColorConv(h_imgIn.at(j,i), h_imgOut.at(j,i));
        }
    }

    NCV_SKIP_COND_END
    return NCV_SUCCESS;
}
#endif

#endif //_ncv_color_conversion_hpp_

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