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