itkCenteredTransformInitializer.h

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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 itkCenteredTransformInitializer_h
#define itkCenteredTransformInitializer_h
 
#include "itkObject.h"
#include "itkObjectFactory.h"
#include "itkImageMomentsCalculator.h"
 
#include <iostream>
 
namespace itk
{
template <typename TTransform, typename TFixedImage, typename TMovingImage>
class ITK_TEMPLATE_EXPORT CenteredTransformInitializer : public Object
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(CenteredTransformInitializer);

  using Self = CenteredTransformInitializer;
  using Superclass = Object;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(CenteredTransformInitializer);

  using TransformType = TTransform;
  using TransformPointer = typename TransformType::Pointer;

  static constexpr unsigned int InputSpaceDimension = TransformType::InputSpaceDimension;
  static constexpr unsigned int OutputSpaceDimension = TransformType::OutputSpaceDimension;

  using FixedImageType = TFixedImage;
  using MovingImageType = TMovingImage;
 
  using FixedImagePointer = typename FixedImageType::ConstPointer;
  using MovingImagePointer = typename MovingImageType::ConstPointer;

  using FixedImageCalculatorType = ImageMomentsCalculator<FixedImageType>;
  using MovingImageCalculatorType = ImageMomentsCalculator<MovingImageType>;
 
  using FixedImageCalculatorPointer = typename FixedImageCalculatorType::Pointer;
  using MovingImageCalculatorPointer = typename MovingImageCalculatorType::Pointer;

  using OffsetType = typename TransformType::OffsetType;

  using InputPointType = typename TransformType::InputPointType;

  using OutputVectorType = typename TransformType::OutputVectorType;

  itkSetObjectMacro(Transform, TransformType);

  itkSetConstObjectMacro(FixedImage, FixedImageType);

  itkSetConstObjectMacro(MovingImage, MovingImageType);

  virtual void
  InitializeTransform();

  void
  GeometryOn()
  {
    m_UseMoments = false;
  }
  void
  MomentsOn()
  {
    m_UseMoments = true;
  }


  itkGetModifiableObjectMacro(FixedCalculator, FixedImageCalculatorType);
  itkGetModifiableObjectMacro(MovingCalculator, MovingImageCalculatorType);
 
protected:
  CenteredTransformInitializer() = default;
  ~CenteredTransformInitializer() override = default;
 
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
  itkGetModifiableObjectMacro(Transform, TransformType);
 
private:
  TransformPointer m_Transform{};
 
  FixedImagePointer m_FixedImage{};
 
  MovingImagePointer m_MovingImage{};
 
  bool m_UseMoments{ false };
 
  const FixedImageCalculatorPointer  m_FixedCalculator{ FixedImageCalculatorType::New() };
  const MovingImageCalculatorPointer m_MovingCalculator{ MovingImageCalculatorType::New() };
}; // class CenteredTransformInitializer
} // namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkCenteredTransformInitializer.hxx"
#endif
 
#endif /* itkCenteredTransformInitializer_h */