elxNearestNeighborInterpolator.h

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/*=========================================================================
 *
 *  Copyright UMC Utrecht and contributors
 *
 *  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
 *
 *        http://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.
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 *=========================================================================*/
#ifndef elxNearestNeighborInterpolator_h
#define elxNearestNeighborInterpolator_h
 
#include "elxIncludes.h" // include first to avoid MSVS warning
#include "itkNearestNeighborInterpolateImageFunction.h"
 
namespace elastix
{
 
template <class TElastix>
class ITK_TEMPLATE_EXPORT NearestNeighborInterpolator
  : public itk::NearestNeighborInterpolateImageFunction<typename InterpolatorBase<TElastix>::InputImageType,
                                                        typename InterpolatorBase<TElastix>::CoordRepType>
  , public InterpolatorBase<TElastix>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(NearestNeighborInterpolator);
 
  using Self = NearestNeighborInterpolator;
  using Superclass1 = itk::NearestNeighborInterpolateImageFunction<typename InterpolatorBase<TElastix>::InputImageType,
                                                                   typename InterpolatorBase<TElastix>::CoordRepType>;
  using Superclass2 = InterpolatorBase<TElastix>;
  using Pointer = itk::SmartPointer<Self>;
  using ConstPointer = itk::SmartPointer<const Self>;
 
  itkNewMacro(Self);
 
  itkTypeMacro(NearestNeighborInterpolator, itk::NearestNeighborInterpolateImageFunction);
 
  elxClassNameMacro("NearestNeighborInterpolator");
 
  itkStaticConstMacro(ImageDimension, unsigned int, Superclass1::ImageDimension);
 
  using typename Superclass1::OutputType;
  using typename Superclass1::InputImageType;
  using typename Superclass1::IndexType;
  using typename Superclass1::ContinuousIndexType;
  using typename Superclass1::PointType;
 
  using typename Superclass2::ElastixType;
  using typename Superclass2::RegistrationType;
  using ITKBaseType = typename Superclass2::ITKBaseType;
 
protected:
  NearestNeighborInterpolator() = default;
  ~NearestNeighborInterpolator() override = default;
 
private:
  elxOverrideGetSelfMacro;
};
 
} // end namespace elastix
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "elxNearestNeighborInterpolator.hxx"
#endif
 
#endif // end #ifndef elxNearestNeighborInterpolator_h