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itkImageRandomConstIteratorWithIndex.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkImageRandomConstIteratorWithIndex.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/09/25 06:08:28 $
00007   Version:   $Revision: 1.7 $
00008 
00009   Copyright (c) 2002 Insight Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkImageRandomConstIteratorWithIndex_h
00018 #define __itkImageRandomConstIteratorWithIndex_h
00019 
00020 #include "itkImageConstIteratorWithIndex.h"
00021 
00022 namespace itk
00023 {
00024 
00094 template<typename TImage>
00095 class ImageRandomConstIteratorWithIndex : public ImageConstIteratorWithIndex<TImage>
00096 {
00097 public:
00099   typedef ImageRandomConstIteratorWithIndex Self;
00100   typedef ImageConstIteratorWithIndex<TImage>  Superclass;
00101   
00106   typedef typename TImage::IndexType   IndexType;
00107 
00112   typedef typename TImage::RegionType RegionType;
00113   
00118   typedef TImage ImageType;
00119 
00123   typedef typename TImage::PixelContainer PixelContainer;
00124   typedef typename PixelContainer::Pointer PixelContainerPointer;
00125   
00127   ImageRandomConstIteratorWithIndex();
00128   ~ImageRandomConstIteratorWithIndex() {};
00129   
00132   ImageRandomConstIteratorWithIndex(const ImageType *ptr, const RegionType& region);
00133 
00140   ImageRandomConstIteratorWithIndex( const ImageConstIteratorWithIndex<TImage> &it)
00141     { this->ImageConstIteratorWithIndex<TImage>::operator=(it); }
00142 
00144   void GoToBegin(void);
00145 
00147   void GoToEnd(void);
00148 
00150   bool IsAtBegin(void) const
00151     { return (m_NumberOfSamplesDone > m_NumberOfSamplesRequested) ; }
00152 
00154   bool IsAtEnd(void) const
00155     { return (m_NumberOfSamplesDone > m_NumberOfSamplesRequested);  }
00156  
00159   Self & operator++();
00160 
00163   Self & operator--();
00164   
00166   void SetNumberOfSamples( unsigned long number );
00167   unsigned long GetNumberOfSamples( void ) const;
00168 
00170   static void ReinitializeSeed();
00171 
00172 private:
00173     unsigned long  m_NumberOfSamplesRequested;
00174     unsigned long  m_NumberOfSamplesDone;
00175     unsigned long  m_NumberOfPixelsInRegion;
00176 };
00177 
00178 } // end namespace itk
00179 
00180 #ifndef ITK_MANUAL_INSTANTIATION
00181 #include "itkImageRandomConstIteratorWithIndex.txx"
00182 #endif
00183 
00184 #endif 
00185 
00186 
00187 

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