itkSpecialCoordinatesImage.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 itkSpecialCoordinatesImage_h
#define itkSpecialCoordinatesImage_h

#include "itkImageBase.h"
#include "itkImportImageContainer.h"
#include "itkDefaultPixelAccessor.h"
#include "itkDefaultPixelAccessorFunctor.h"
#include "itkContinuousIndex.h"

namespace itk
{
template< typename TPixel, unsigned int VImageDimension = 2 >
class ITK_TEMPLATE_EXPORT SpecialCoordinatesImage:public ImageBase< VImageDimension >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(SpecialCoordinatesImage);

  using Self = SpecialCoordinatesImage;
  using Superclass = ImageBase< VImageDimension >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;
  using ConstWeakPointer = WeakPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(SpecialCoordinatesImage, ImageBase);

  using PixelType = TPixel;

  using ValueType = TPixel;

  using InternalPixelType = TPixel;

  using IOPixelType = PixelType;

  using AccessorType = DefaultPixelAccessor< PixelType >;

  using AccessorFunctorType = DefaultPixelAccessorFunctor< Self >;

  static constexpr unsigned int ImageDimension = VImageDimension;

  using IndexType = typename Superclass::IndexType;

  using OffsetType = typename Superclass::OffsetType;

  using SizeType = typename Superclass::SizeType;

  using PixelContainer = ImportImageContainer< SizeValueType, PixelType >;

  using RegionType = typename Superclass::RegionType;

  using SpacingType = typename Superclass::SpacingType;

  using PointType = typename Superclass::PointType;

  using PixelContainerPointer = typename PixelContainer::Pointer;
  using PixelContainerConstPointer = typename PixelContainer::ConstPointer;

  void Allocate(bool initialize=false) override;

  void Initialize() override;

  void FillBuffer(const TPixel & value);

  void SetPixel(const IndexType & index, const TPixel & value)
  {
    OffsetValueType offset = this->FastComputeOffset(index);
    ( *m_Buffer )[offset] = value;
  }

  const TPixel & GetPixel(const IndexType & index) const
  {
    OffsetValueType offset = this->FastComputeOffset(index);
    return ( ( *m_Buffer )[offset] );
  }

  TPixel & GetPixel(const IndexType & index)
  {
    OffsetValueType offset = this->FastComputeOffset(index);
    return ( ( *m_Buffer )[offset] );
  }

  TPixel & operator[](const IndexType & index) { return this->GetPixel(index); }

  const TPixel & operator[](const IndexType & index) const { return this->GetPixel(index); }

  TPixel * GetBufferPointer() { return m_Buffer ? m_Buffer->GetBufferPointer() : nullptr; }
  const TPixel * GetBufferPointer() const { return m_Buffer ? m_Buffer->GetBufferPointer() : nullptr; }

  PixelContainer * GetPixelContainer() { return m_Buffer.GetPointer(); }

  const PixelContainer * GetPixelContainer() const { return m_Buffer.GetPointer(); }

  void SetPixelContainer(PixelContainer *container);

  AccessorType GetPixelAccessor() { return AccessorType(); }

  const AccessorType GetPixelAccessor() const { return AccessorType(); }

  void SetSpacing(const SpacingType &) override {}
  void SetSpacing(const double[VImageDimension]) override {}
  void SetSpacing(const float[VImageDimension]) override {}
  void SetOrigin(const PointType) override {}
  void SetOrigin(const double[VImageDimension]) override {}
  void SetOrigin(const float[VImageDimension]) override {}

  /* It is ILLEGAL in C++ to make a templated member function virtual! */
  /* Therefore, we must just let templates take care of everything.    */
  /*
  template<typename TCoordRep>
  virtual bool TransformPhysicalPointToContinuousIndex(
              const Point<TCoordRep, VImageDimension>& point,
              ContinuousIndex<TCoordRep, VImageDimension>& index   ) const = 0;

  template<typename TCoordRep>
  virtual bool TransformPhysicalPointToIndex(
            const Point<TCoordRep, VImageDimension>&,
            IndexType & index                                ) const = 0;

  template<typename TCoordRep>
  virtual void TransformContinuousIndexToPhysicalPoint(
            const ContinuousIndex<TCoordRep, VImageDimension>& index,
            Point<TCoordRep, VImageDimension>& point        ) const = 0;

  template<typename TCoordRep>
  virtual void TransformIndexToPhysicalPoint(
                      const IndexType & index,
                      Point<TCoordRep, VImageDimension>& point ) const = 0;
  */

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

  ~SpecialCoordinatesImage() override = default;

private:
  PixelContainerPointer m_Buffer;
};
} // end namespace itk

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

#endif