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itkMirrorPadImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkMirrorPadImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2008-10-16 19:33:41 $
00007   Version:   $Revision: 1.16 $
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 __itkMirrorPadImageFilter_h
00018 #define __itkMirrorPadImageFilter_h
00019 
00020 #include "itkPadImageFilter.h"
00021 #include <vector>
00022 
00023 namespace itk
00024 {
00025 
00044 template <class TInputImage, class TOutputImage>
00045 class ITK_EXPORT MirrorPadImageFilter:
00046     public PadImageFilter<TInputImage,TOutputImage>
00047 {
00048 public:
00050   typedef MirrorPadImageFilter                     Self;
00051   typedef PadImageFilter<TInputImage,TOutputImage> Superclass;
00052   typedef SmartPointer<Self>                       Pointer;
00053   typedef SmartPointer<const Self>                 ConstPointer;
00054 
00056   itkNewMacro(Self); 
00057 
00059   itkTypeMacro(MirrorPadImageFilter, PadImageFilter);
00060 
00061   typedef TInputImage  InputImageType;
00062   typedef TOutputImage OutputImageType;
00063   
00065   typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
00066   typedef typename Superclass::InputImageRegionType  InputImageRegionType;
00067 
00069   typedef typename Superclass::OutputImagePixelType OutputImagePixelType;
00070   typedef typename Superclass::InputImagePixelType  InputImagePixelType;
00071 
00073   typedef typename Superclass::OutputImageIndexType OutputImageIndexType;
00074   typedef typename Superclass::InputImageIndexType  InputImageIndexType;
00075   typedef typename Superclass::OutputImageSizeType  OutputImageSizeType;
00076   typedef typename Superclass::InputImageSizeType   InputImageSizeType;
00077 
00079   itkStaticConstMacro(ImageDimension, unsigned int,
00080                       TInputImage::ImageDimension);
00081 
00082 #ifdef ITK_USE_CONCEPT_CHECKING
00083 
00084   itkConceptMacro(InputConvertibleToOutputCheck,
00085     (Concept::Convertible<InputImagePixelType, OutputImagePixelType>));
00086 
00088 #endif
00089 
00090 protected:
00091   MirrorPadImageFilter() {};
00092   ~MirrorPadImageFilter() {};
00093   
00096   void ConvertOutputIndexToInputIndex(OutputImageIndexType & outputIndex, 
00097                                       InputImageIndexType & inputIndex, 
00098                                       OutputImageRegionType & outputRegion,
00099                                       InputImageRegionType & inputRegion,
00100                                       int* oddRegionArray);
00101 
00104   int RegionIsOdd(long base, long test, long size);
00105 
00116   void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
00117                             int threadId );
00118 
00122   int GenerateNextInputRegion(long *regIndices, long *regLimit, 
00123                               std::vector<long>* indices, 
00124                               std::vector<long>* sizes, 
00125                               InputImageRegionType& outputRegion);
00126 
00130   int GenerateNextOutputRegion(long *regIndices, long *regLimit, 
00131                                std::vector<long>* indices, 
00132                                std::vector<long>* sizes, 
00133                                OutputImageRegionType& outputRegion);
00134 
00139   int FindRegionsInArea(long start, long end, long size, long offset);
00140 
00147   int BuildInterRegions(std::vector<long>& inputRegionStart, 
00148                         std::vector<long>& outputRegionStart,
00149                         std::vector<long>& inputRegionSizes, 
00150                         std::vector<long>& outputRegionSizes,
00151                         long inputIndex, long outputIndex,
00152                         long inputSize, long outputSize, int numRegs, 
00153                         int & regCtr);
00154 
00163   int BuildPreRegions(std::vector<long>& inputRegionStart, 
00164                       std::vector<long>& outputRegionStart,
00165                       std::vector<long>& inputRegionSizes, 
00166                       std::vector<long>& outputRegionSizes,
00167                       long inputIndex, long outputIndex,
00168                       long inputSize, long outputSize, int numRegs, 
00169                       int & regCtr);
00170 
00179   int BuildPostRegions(std::vector<long>& inputRegionStart, 
00180                        std::vector<long>& outputRegionStart,
00181                        std::vector<long>& inputRegionSizes, 
00182                        std::vector<long>& outputRegionSizes,
00183                        long inputIndex, long outputIndex,
00184                        long inputSize, long outputSize, 
00185                        int numRegs, int & regCtr);
00186 
00194   virtual void GenerateInputRequestedRegion();
00195 
00196 private:
00197   MirrorPadImageFilter(const Self&); //purposely not implemented
00198   void operator=(const Self&); //purposely not implemented
00199   
00200 };
00201   
00202 
00203 } // end namespace itk
00204 
00205 #ifndef ITK_MANUAL_INSTANTIATION
00206 #include "itkMirrorPadImageFilter.txx"
00207 #endif
00208 
00209 #endif
00210 

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