itkGPUPDEDeformableRegistrationFunction.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 itkGPUPDEDeformableRegistrationFunction_h
#define itkGPUPDEDeformableRegistrationFunction_h

#include "itkGPUFiniteDifferenceFunction.h"

namespace itk
{
template <typename TFixedImage, typename TMovingImage, typename TDisplacementField>
class GPUPDEDeformableRegistrationFunction :
  public GPUFiniteDifferenceFunction<TDisplacementField>
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(GPUPDEDeformableRegistrationFunction);

  using Self = GPUPDEDeformableRegistrationFunction;
  using Superclass = GPUFiniteDifferenceFunction<TDisplacementField>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkTypeMacro(GPUPDEDeformableRegistrationFunction,
               GPUFiniteDifferenceFunction);

  using MovingImageType = TMovingImage;
  using MovingImagePointer = typename MovingImageType::ConstPointer;

  using FixedImageType = TFixedImage;
  using FixedImagePointer = typename FixedImageType::ConstPointer;

  using DisplacementFieldType = TDisplacementField;
  using DisplacementFieldTypePointer = typename DisplacementFieldType::Pointer;

  void SetMovingImage(const MovingImageType *ptr)
  {
    m_MovingImage = ptr;
  }

  const MovingImageType * GetMovingImage() const
  {
    return m_MovingImage;
  }

  void SetFixedImage(const FixedImageType *ptr)
  {
    m_FixedImage = ptr;
  }

  const FixedImageType * GetFixedImage() const
  {
    return m_FixedImage;
  }

  void SetDisplacementField(DisplacementFieldTypePointer ptr)
  {
    m_DisplacementField = ptr;
  }

  DisplacementFieldType * GetDisplacementField()
  {
    return m_DisplacementField;
  }

  void SetEnergy(double e)
  {
    m_Energy = e;
  }

  double GetEnergy() const
  {
    return m_Energy;
  }

  void SetGradientStep(double e)
  {
    m_GradientStep = e;
  }

  double GetGradientStep() const
  {
    return m_GradientStep;
  }

  void SetNormalizeGradient(bool e)
  {
    m_NormalizeGradient = e;
  }

  bool GetNormalizeGradient() const
  {
    return m_NormalizeGradient;
  }

protected:
  GPUPDEDeformableRegistrationFunction()
  {
    m_MovingImage = nullptr;
    m_FixedImage = nullptr;
    m_DisplacementField = nullptr;
    m_Energy = 0.0;
    m_NormalizeGradient = true;
    m_GradientStep = 1.0;
  }

  ~GPUPDEDeformableRegistrationFunction() override {}

  void PrintSelf(std::ostream & os, Indent indent) const override
  {
    Superclass::PrintSelf(os, indent);
    os << indent << "MovingImage: ";
    os << m_MovingImage.GetPointer() << std::endl;
    os << indent << "FixedImage: ";
    os << m_FixedImage.GetPointer() << std::endl;
  }

  MovingImagePointer m_MovingImage;

  FixedImagePointer m_FixedImage;

  DisplacementFieldTypePointer m_DisplacementField;

  mutable double m_Energy;

  bool m_NormalizeGradient;

  mutable double m_GradientStep;
};
} // end namespace itk

#endif