itkImageReverseIterator.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 itkImageReverseIterator_h
#define itkImageReverseIterator_h
 
#include "itkImageRegionReverseConstIterator.h"
#include "itkImageIteratorWithIndex.h"
 
namespace itk
{
template <typename TImage>
class ITK_TEMPLATE_EXPORT ImageReverseIterator : public ImageRegionReverseConstIterator<TImage>
{
public:
  using Self = ImageReverseIterator;
  using Superclass = ImageRegionReverseConstIterator<TImage>;

  using typename Superclass::IndexType;
  using typename Superclass::SizeType;
  using typename Superclass::OffsetType;
  using typename Superclass::RegionType;
  using typename Superclass::ImageType;
  using typename Superclass::PixelContainer;
  using typename Superclass::PixelContainerPointer;
  using typename Superclass::InternalPixelType;
  using typename Superclass::PixelType;
  using typename Superclass::AccessorType;

  ImageReverseIterator() = default;

  ImageReverseIterator(ImageType * ptr, const RegionType & region);

  ImageReverseIterator(const ImageIteratorWithIndex<TImage> & it);

  void
  Set(const PixelType & value) const
  {
    this->m_PixelAccessorFunctor.Set(*const_cast<InternalPixelType *>((this->m_Buffer + this->m_Offset)), value);
  }

  PixelType &
  Value()
  {
    return *(this->m_Buffer + this->m_Offset);
  }
 
protected:
  ImageReverseIterator(const ImageRegionReverseConstIterator<TImage> & it);
  Self &
  operator=(const ImageRegionReverseConstIterator<TImage> & it);
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkImageReverseIterator.hxx"
#endif
 
#endif