itkExponentialDisplacementFieldImageFilter.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  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.
 *
 *=========================================================================*/
#ifndef itkExponentialDisplacementFieldImageFilter_h
#define itkExponentialDisplacementFieldImageFilter_h

#include "itkDivideImageFilter.h"
#include "itkCastImageFilter.h"
#include "itkWarpVectorImageFilter.h"
#include "itkVectorLinearInterpolateNearestNeighborExtrapolateImageFunction.h"
#include "itkAddImageFilter.h"

namespace itk
{
template< typename TInputImage, typename TOutputImage >
class ITK_TEMPLATE_EXPORT ExponentialDisplacementFieldImageFilter:
  public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(ExponentialDisplacementFieldImageFilter);

  using Self = ExponentialDisplacementFieldImageFilter;
  using Superclass = ImageToImageFilter< TInputImage, TOutputImage >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(ExponentialDisplacementFieldImageFilter, ImageToImageFilter);

  using InputImageType = TInputImage;
  using InputImagePointer = typename InputImageType::Pointer;
  using InputImageConstPointer = typename InputImageType::ConstPointer;
  using InputPixelType = typename InputImageType::PixelType;
  using InputPixelRealValueType = typename InputPixelType::RealValueType;

  using OutputImageType = TOutputImage;
  using OutputImagePointer = typename OutputImageType::Pointer;
  using OutputPixelType = typename OutputImageType::PixelType;

  itkSetMacro(MaximumNumberOfIterations, unsigned int);
  itkGetConstMacro(MaximumNumberOfIterations, unsigned int);

  itkSetMacro(AutomaticNumberOfIterations, bool);
  itkGetConstMacro(AutomaticNumberOfIterations, bool);
  itkBooleanMacro(AutomaticNumberOfIterations);

  itkSetMacro(ComputeInverse, bool);
  itkGetConstMacro(ComputeInverse, bool);
  itkBooleanMacro(ComputeInverse);

  static constexpr unsigned int ImageDimension = TInputImage::ImageDimension;
  static constexpr unsigned int OutputImageDimension = TInputImage::ImageDimension;
  static constexpr unsigned int PixelDimension = InputPixelType::Dimension;
  static constexpr unsigned int OutputPixelDimension = OutputPixelType::Dimension;

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( OutputHasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< typename OutputPixelType::ValueType > ) );
  itkConceptMacro( SameDimensionCheck1,
                   ( Concept::SameDimension< ImageDimension, OutputImageDimension > ) );
  itkConceptMacro( SameDimensionCheck2,
                   ( Concept::SameDimension< ImageDimension, PixelDimension > ) );
  itkConceptMacro( SameDimensionCheck3,
                   ( Concept::SameDimension< ImageDimension, OutputPixelDimension > ) );
  // End concept checking
#endif

protected:
  ExponentialDisplacementFieldImageFilter();
  ~ExponentialDisplacementFieldImageFilter() override = default;

  void PrintSelf(std::ostream & os, Indent indent) const override;

  void GenerateData() override;

  using RegionType = typename InputImageType::RegionType;

  using DivideByConstantType = DivideImageFilter<
    InputImageType,
    itk::Image<InputPixelRealValueType, ImageDimension>,
    OutputImageType >;

  using CasterType = CastImageFilter<
    InputImageType, OutputImageType >;

  using VectorWarperType = WarpVectorImageFilter<
    OutputImageType,
    OutputImageType, OutputImageType >;

  using FieldInterpolatorType = VectorLinearInterpolateNearestNeighborExtrapolateImageFunction<
    OutputImageType, double >;

  using AdderType = AddImageFilter<
    OutputImageType, OutputImageType, OutputImageType >;

  using DivideByConstantPointer = typename DivideByConstantType::Pointer;
  using CasterPointer = typename CasterType::Pointer;
  using VectorWarperPointer = typename VectorWarperType::Pointer;
  using FieldInterpolatorPointer = typename FieldInterpolatorType::Pointer;
  using FieldInterpolatorOutputType = typename FieldInterpolatorType::OutputType;
  using AdderPointer = typename AdderType::Pointer;

private:
  bool         m_AutomaticNumberOfIterations;
  unsigned int m_MaximumNumberOfIterations;

  bool m_ComputeInverse;

  DivideByConstantPointer m_Divider;
  CasterPointer           m_Caster;
  VectorWarperPointer     m_Warper;
  AdderPointer            m_Adder;
};
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkExponentialDisplacementFieldImageFilter.hxx"
#endif

#endif