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itkImageBoundaryCondition.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkImageBoundaryCondition.h,v $
00005   Language:  C++
00006   Date:      $Date: 2008-10-17 01:41:59 $
00007   Version:   $Revision: 1.14 $
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 __itkImageBoundaryCondition_h
00018 #define __itkImageBoundaryCondition_h
00019 
00020 #include "itkIndex.h"
00021 #include "itkOffset.h"
00022 #include "itkNeighborhood.h"
00023 
00024 namespace itk
00025 {
00026 
00050 template <class TImageType>
00051 class ITK_EXPORT ImageBoundaryCondition
00052 {
00053 public:
00054 
00056   itkStaticConstMacro(ImageDimension, unsigned int,
00057                       TImageType::ImageDimension);
00058 
00060   typedef ImageBoundaryCondition           Self;
00061 
00063   typedef typename TImageType::PixelType                    PixelType;
00064   typedef typename TImageType::InternalPixelType *          PixelPointerType;
00065   typedef Index<itkGetStaticConstMacro(ImageDimension)>     IndexType;
00066   typedef Offset<itkGetStaticConstMacro(ImageDimension)>    OffsetType;
00068 
00070   typedef Neighborhood<PixelPointerType,
00071                       itkGetStaticConstMacro(ImageDimension)> NeighborhoodType;
00072 
00074   typedef typename TImageType::NeighborhoodAccessorFunctorType
00075                                  NeighborhoodAccessorFunctorType;
00076 
00078   ImageBoundaryCondition() {}
00079 
00084   virtual PixelType operator()(const OffsetType& point_index,
00085                                const OffsetType &boundary_offset,
00086                                const NeighborhoodType *data) const = 0;
00087 
00090   virtual PixelType operator()(
00091       const OffsetType& point_index,
00092       const OffsetType& boundary_offset,
00093       const NeighborhoodType *data,
00094       const NeighborhoodAccessorFunctorType &neighborhoodAccessorFunctor) const = 0;
00095 
00096   virtual ~ImageBoundaryCondition() {}
00097 
00104   virtual bool RequiresCompleteNeighborhood() { return true; }
00105 };
00107 
00108 }// end namespace itk
00109 
00110 
00111 #endif
00112 

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