itkReflectiveImageRegionConstIterator.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 itkReflectiveImageRegionConstIterator_h
#define itkReflectiveImageRegionConstIterator_h

#include "itkImageConstIteratorWithIndex.h"

namespace itk
{
template< typename TImage >
class ReflectiveImageRegionConstIterator:public ImageConstIteratorWithIndex< TImage >
{
public:
  typedef ReflectiveImageRegionConstIterator    Self;
  typedef ImageConstIteratorWithIndex< TImage > Superclass;

  typedef typename TImage::IndexType IndexType;

  typedef TImage ImageType;

  typedef typename TImage::PixelContainer  PixelContainer;
  typedef typename PixelContainer::Pointer PixelContainerPointer;

  typedef typename TImage::RegionType     RegionType;
  typedef typename TImage::SizeType       SizeType;
  typedef typename TImage::SizeValueType  SizeValueType;

  typedef typename TImage::OffsetType          OffsetType;
  typedef typename OffsetType::OffsetValueType OffsetValueType;

  ReflectiveImageRegionConstIterator();

  ~ReflectiveImageRegionConstIterator() {}

  ReflectiveImageRegionConstIterator(TImage *ptr, const RegionType & region);

  ReflectiveImageRegionConstIterator(const Self & it);

  ReflectiveImageRegionConstIterator(const ImageConstIteratorWithIndex< TImage > & it);

  Self & operator=(const Self & it);

  bool IsReflected(unsigned int) const;

  Self & operator++();

  void GoToBegin();

  bool IsAtBegin(void) const
  {
    return !this->m_Remaining;
  }

  void SetBeginOffset(const OffsetType & offset)
  { m_BeginOffset = offset; }

  void SetEndOffset(const OffsetType & offset)
  { m_EndOffset = offset; }

  OffsetType GetBeginOffset(const OffsetType & )
  { return m_BeginOffset; }

  OffsetType GetEndOffset(const OffsetType & )
  { return m_EndOffset; }

  void FillOffsets(const OffsetValueType & value);

private:
  bool       m_IsFirstPass[TImage::ImageDimension];
  OffsetType m_BeginOffset;
  OffsetType m_EndOffset;
};
} // end namespace itk

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

#endif