NCVColorConversion.hpp
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#ifndef _ncv_color_conversion_hpp_
#define _ncv_color_conversion_hpp_
#include "NCVPixelOperations.hpp"
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 //_ncv_color_conversion_hpp_
NCVMatrix::height
Ncv32u height() const
Definition: NCV.hpp:782
NCVMatrix::at
T & at(Ncv32u x, Ncv32u y) const
Definition: NCV.hpp:769
NCVMatrix::size
NcvSize32u size() const
Definition: NCV.hpp:783
NCVMatrix::width
Ncv32u width() const
Definition: NCV.hpp:781
__pixColorConv< NCVColorSpaceRGBA, NCVColorSpaceGray, Tin, Tout >::_pixColorConv
static void _pixColorConv(const Tin &pixIn, Tout &pixOut)
Definition: NCVColorConversion.hpp:57
__pixColorConv::_pixColorConv
static void _pixColorConv(const Tin &pixIn, Tout &pixOut)
NCVMatrix
NCVMatrix (2D)
Definition: NCV.hpp:695
NCVMatrix::memType
NCVMemoryType memType() const
Definition: NCV.hpp:785
__pixColorConv< NCVColorSpaceGray, NCVColorSpaceRGBA, Tin, Tout >::_pixColorConv
static void _pixColorConv(const Tin &pixIn, Tout &pixOut)
Definition: NCVColorConversion.hpp:64
__pixColorConv
Definition: NCVColorConversion.hpp:52