itkImageSliceConstIteratorWithIndex.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkImageSliceConstIteratorWithIndex.h,v $
  Language:  C++
  Date:      $Date: 2009-08-14 20:48:00 $
  Version:   $Revision: 1.13 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkImageSliceConstIteratorWithIndex_h
#define __itkImageSliceConstIteratorWithIndex_h

#include "itkImageConstIteratorWithIndex.h"

namespace itk
{

template<typename TImage>
class ITK_EXPORT ImageSliceConstIteratorWithIndex : public ImageConstIteratorWithIndex<TImage>
{
public:
  typedef ImageSliceConstIteratorWithIndex     Self;
  typedef ImageConstIteratorWithIndex<TImage>  Superclass;
  
  typedef typename TImage::IndexType IndexType;

  typedef TImage ImageType;

  typedef typename TImage::RegionType   RegionType;

  typedef typename TImage::PixelContainer  PixelContainer;
  typedef typename PixelContainer::Pointer PixelContainerPointer;
  
  ImageSliceConstIteratorWithIndex() : ImageConstIteratorWithIndex<TImage>() {}
  
  ImageSliceConstIteratorWithIndex( const ImageType *ptr,
                      const RegionType & region)
    : ImageConstIteratorWithIndex<TImage>(ptr, region) 
    {
    m_Direction_A = 0;
    m_Direction_B = 1;
    }

  ImageSliceConstIteratorWithIndex( const ImageConstIteratorWithIndex<TImage> &it)
    { this->ImageConstIteratorWithIndex<TImage>::operator=(it); }

  void NextLine(void);
  
  void GoToBeginOfSlice(void);

  void NextSlice(void);

  void PreviousLine(void);
  
  void PreviousSlice(void);

  bool IsAtEndOfLine(void);

  bool IsAtEndOfSlice(void);

  bool IsAtReverseEndOfLine(void);

  bool IsAtReverseEndOfSlice(void);

  void SetFirstDirection(unsigned int direction);

  void SetSecondDirection(unsigned int direction);

  inline Self & operator++();

  inline Self & operator--();

private:
  unsigned long  m_PixelJump;
  unsigned long  m_LineJump;
  unsigned int   m_Direction_A;
  unsigned int   m_Direction_B;
};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkImageSliceConstIteratorWithIndex.txx"
#endif

#endif