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itkLineIterator.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkLineIterator.h,v $
00005   Language:  C++
00006   Date:      $Date: 2007-01-30 20:56:09 $
00007   Version:   $Revision: 1.4 $
00008 
00009   Copyright (c) Insight Software 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 __itkLineIterator_h
00018 #define __itkLineIterator_h
00019 
00020 #include "itkIndex.h"
00021 #include "itkImage.h"
00022 #include "itkLineConstIterator.h"
00023 
00024 namespace itk
00025 {
00026 
00051 template<class TImage>
00052 class ITK_EXPORT LineIterator : public LineConstIterator<TImage>
00053 {
00054 public:
00055 
00057   typedef LineIterator Self;
00058 
00063   itkStaticConstMacro(ImageIteratorDimension, unsigned int,
00064                       TImage::ImageDimension);
00065 
00067   typedef LineConstIterator<TImage> Superclass;
00068 
00070   typedef typename Superclass::IndexType              IndexType;
00071   typedef typename Superclass::IndexValueType         IndexValueType;
00072   typedef typename Superclass::OffsetType             OffsetType;
00073   typedef typename Superclass::OffsetValueType        OffsetValueType;
00074   typedef typename Superclass::SizeType               SizeType;
00075   typedef typename Superclass::SizeValueType          SizeValueType;
00076   typedef typename Superclass::RegionType             RegionType;
00077   typedef typename Superclass::ImageType              ImageType;
00078   typedef typename Superclass::PixelContainer         PixelContainer;
00079   typedef typename Superclass::PixelContainerPointer  PixelContainerPointer;
00080   typedef typename Superclass::InternalPixelType      InternalPixelType;
00081   typedef typename Superclass::PixelType              PixelType;
00082   typedef typename Superclass::AccessorType           AccessorType;
00083 
00085   itkTypeMacro(LineIterator, LineConstIterator);
00086 
00088   void Set( const PixelType & value)
00089     {
00090     // Normally, this would just be the following:
00091     //   m_Image->SetPixel(m_CurrentImageIndex,value);
00092     // However, we don't want a warning about m_Image being a ConstPointer
00093     // in the Superclass.
00094     const_cast<ImageType *>(this->m_Image.GetPointer())->
00095       SetPixel(this->m_CurrentImageIndex,value);
00096     }
00098 
00102   const PixelType & Value(void) 
00103     {
00104     return (this->m_Image->GetPixel(this->m_CurrentImageIndex));
00105     }
00106 
00109   Self &operator=(const Self& it);
00110 
00112   LineIterator(ImageType *imagePtr, const IndexType &firstIndex,
00113                const IndexType &lastIndex);
00114 
00116   virtual ~LineIterator() {};
00117 };
00118 
00119 } // end namespace itk
00120 
00121 // Define instantiation macro for this template.
00122 #define ITK_TEMPLATE_LineIterator(_, EXPORT, x, y) namespace itk { \
00123   _(1(class EXPORT LineIterator< ITK_TEMPLATE_1 x >)) \
00124   namespace Templates { typedef LineIterator< ITK_TEMPLATE_1 x > \
00125                                      LineIterator##y; } \
00126   }
00127 
00128 #if ITK_TEMPLATE_EXPLICIT
00129 # include "Templates/itkLineIterator+-.h"
00130 #endif
00131 
00132 #if ITK_TEMPLATE_TXX
00133 # include "itkLineIterator.txx"
00134 #endif
00135 
00136 #endif 
00137 

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