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