itkRayCastInterpolateImageFunction.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 itkRayCastInterpolateImageFunction_h
#define itkRayCastInterpolateImageFunction_h

#include "itkInterpolateImageFunction.h"
#include "itkTransform.h"

namespace itk
{
template< typename TInputImage, typename TCoordRep = double >
class RayCastInterpolateImageFunction:
  public InterpolateImageFunction< TInputImage, TCoordRep >
{
public:
  typedef RayCastInterpolateImageFunction                    Self;
  typedef InterpolateImageFunction< TInputImage, TCoordRep > Superclass;
  typedef SmartPointer< Self >                               Pointer;
  typedef SmartPointer< const Self >                         ConstPointer;

  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension);

  typedef Transform< TCoordRep, 3, 3 > TransformType;

  typedef typename TransformType::Pointer         TransformPointer;
  typedef typename TransformType::InputPointType  InputPointType;
  typedef typename TransformType::OutputPointType OutputPointType;
  typedef typename TransformType::ParametersType  TransformParametersType;
  typedef typename TransformType::JacobianType    TransformJacobianType;

  typedef typename Superclass::InputPixelType PixelType;

  typedef typename TInputImage::SizeType SizeType;

  typedef Vector< TCoordRep, 3 > DirectionType;

  typedef InterpolateImageFunction< TInputImage, TCoordRep > InterpolatorType;

  typedef typename InterpolatorType::Pointer InterpolatorPointer;

  itkTypeMacro(RayCastInterpolateImageFunction, InterpolateImageFunction);

  itkNewMacro(Self);

  typedef typename Superclass::OutputType OutputType;

  typedef typename Superclass::InputImageType InputImageType;

  typedef typename Superclass::RealType RealType;

  itkStaticConstMacro(ImageDimension, unsigned int, Superclass::ImageDimension);

  typedef typename Superclass::PointType PointType;

  typedef typename Superclass::IndexType IndexType;

  typedef typename Superclass::ContinuousIndexType ContinuousIndexType;

  virtual OutputType Evaluate(const PointType & point) const ITK_OVERRIDE;

  virtual OutputType EvaluateAtContinuousIndex(
    const ContinuousIndexType & index) const ITK_OVERRIDE;

  itkSetObjectMacro(Transform, TransformType);

  itkGetModifiableObjectMacro(Transform, TransformType);

  itkSetObjectMacro(Interpolator, InterpolatorType);

  itkGetModifiableObjectMacro(Interpolator, InterpolatorType);

  itkSetMacro(FocalPoint, InputPointType);

  itkGetConstMacro(FocalPoint, InputPointType);

  itkSetMacro(Threshold, double);

  itkGetConstMacro(Threshold, double);

  inline bool IsInsideBuffer(const PointType &) const ITK_OVERRIDE
  {
    return true;
  }

  bool IsInsideBuffer(const ContinuousIndexType &) const ITK_OVERRIDE
  {
    return true;
  }

  bool IsInsideBuffer(const IndexType &) const ITK_OVERRIDE
  {
    return true;
  }

protected:

  RayCastInterpolateImageFunction();

  ~RayCastInterpolateImageFunction(){}

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

  TransformPointer m_Transform;

  InputPointType m_FocalPoint;

  double m_Threshold;

  InterpolatorPointer m_Interpolator;

private:
  RayCastInterpolateImageFunction(const Self &); //purposely not implemented
  void operator=(const Self &);                  //purposely not implemented
};
} // namespace itk

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

#endif