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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkOpenCVBasicTypeBridge_h
#define itkOpenCVBasicTypeBridge_h
#include "itkPoint.h"
#include "itkSize.h"
#include "itkIndex.h"
#include "itkMatrix.h"
#include "opencv2/core/version.hpp"
#if !defined(CV_VERSION_EPOCH)
// OpenCV 3.x
# include "opencv2/core.hpp"
#else
// OpenCV 2.4.x
# include "cv.h"
#endif
namespace itk
{
template <typename TITKData, typename TOpenCVData>
struct OpenCVBasicTypeBridge
{};
template <typename TPoint>
struct OpenCVBasicTypeBridge<TPoint, cv::Point_<typename TPoint::CoordRepType>>
{
using ITKDataType = TPoint;
using CoordinateType = typename TPoint::CoordRepType;
using OpenCVDataType = cv::Point_<CoordinateType>;
static ITKDataType
FromOpenCVToITK(const OpenCVDataType & iP)
{
ITKDataType oP;
oP[0] = iP.x;
oP[1] = iP.y;
return oP;
}
static OpenCVDataType
FromITKToOpenCV(const ITKDataType & iP)
{
return OpenCVDataType(iP[0], iP[1]);
}
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
itkConceptMacro(SameDimensionCheck, (Concept::SameDimension<TPoint::PointDimension, 2>));
#endif
};
template <typename TPoint>
struct OpenCVBasicTypeBridge<TPoint, cv::Point3_<typename TPoint::CoordRepType>>
{
using ITKDataType = TPoint;
using CoordinateType = typename TPoint::CoordRepType;
using OpenCVDataType = cv::Point3_<CoordinateType>;
static ITKDataType
FromOpenCVToITK(const OpenCVDataType & iP)
{
ITKDataType oP;
oP[0] = iP.x;
oP[1] = iP.y;
oP[2] = iP.z;
return oP;
}
static OpenCVDataType
FromITKToOpenCV(const ITKDataType & iP)
{
return OpenCVDataType(iP[0], iP[1], iP[2]);
}
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
itkConceptMacro(SameDimensionCheck, (Concept::SameDimension<TPoint::PointDimension, 3>));
#endif
};
template <>
struct OpenCVBasicTypeBridge<itk::Index<2>, cv::Point>
{
using ITKDataType = itk::Index<2>;
using OpenCVDataType = cv::Point;
static ITKDataType
FromOpenCVToITK(const OpenCVDataType & iP)
{
ITKDataType oP;
oP[0] = static_cast<itk::IndexValueType>(iP.x);
oP[1] = static_cast<itk::IndexValueType>(iP.y);
return oP;
}
static OpenCVDataType
FromITKToOpenCV(const ITKDataType & iP)
{
return OpenCVDataType(static_cast<int>(iP[0]), static_cast<int>(iP[1]));
}
};
template <>
struct OpenCVBasicTypeBridge<itk::Index<3>, cv::Point3i>
{
using ITKDataType = itk::Index<3>;
using OpenCVDataType = cv::Point3i;
static ITKDataType
FromOpenCVToITK(const OpenCVDataType & iP)
{
ITKDataType oP;
oP[0] = static_cast<itk::IndexValueType>(iP.x);
oP[1] = static_cast<itk::IndexValueType>(iP.y);
oP[2] = static_cast<itk::IndexValueType>(iP.z);
return oP;
}
static OpenCVDataType
FromITKToOpenCV(const ITKDataType & iP)
{
return OpenCVDataType(static_cast<int>(iP[0]), static_cast<int>(iP[1]), static_cast<int>(iP[2]));
}
};
template <>
struct OpenCVBasicTypeBridge<itk::Size<2>, cv::Size>
{
using ITKDataType = itk::Size<2>;
using OpenCVDataType = cv::Size;
static ITKDataType
FromOpenCVToITK(const OpenCVDataType & iP)
{
ITKDataType oP;
oP[0] = static_cast<itk::SizeValueType>(iP.width);
oP[1] = static_cast<itk::SizeValueType>(iP.height);
return oP;
}
static OpenCVDataType
FromITKToOpenCV(const ITKDataType & iP)
{
return OpenCVDataType(static_cast<int>(iP[0]), static_cast<int>(iP[1]));
}
};
template <typename T, unsigned int VRows, unsigned int VColumns>
struct OpenCVBasicTypeBridge<itk::Matrix<T, VRows, VColumns>, cv::Matx<T, VRows, VColumns>>
{
using ITKDataType = itk::Matrix<T, VRows, VColumns>;
using OpenCVDataType = cv::Matx<T, VRows, VColumns>;
static ITKDataType
FromOpenCVToITK(const OpenCVDataType & iP)
{
return ITKDataType(typename ITKDataType::InternalMatrixType().copy_in(iP.val));
}
static OpenCVDataType
FromITKToOpenCV(const ITKDataType & iP)
{
OpenCVDataType oM;
iP.GetVnlMatrix().copy_out(oM.val);
return oM;
}
};
template <typename TVector>
struct OpenCVBasicTypeBridge<TVector, cv::Vec<typename TVector::ValueType, TVector::Dimension>>
{
using ITKDataType = TVector;
using ValueType = typename TVector::ValueType;
using OpenCVDataType = cv::Vec<ValueType, TVector::Dimension>;
static ITKDataType
FromOpenCVToITK(const OpenCVDataType & iP)
{
return ITKDataType(iP.val);
}
static OpenCVDataType
FromITKToOpenCV(const ITKDataType & iP)
{
OpenCVDataType oM;
std::copy(iP.Begin(), iP.End(), oM.val);
return oM;
}
};
} // namespace itk
#endif
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