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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: 2003/09/10 14:28:52 $
00007   Version:   $Revision: 1.12 $
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 
00039 template <class TInputImage, class TOutputImage>
00040 class ITK_EXPORT MirrorPadImageFilter:
00041     public PadImageFilter<TInputImage,TOutputImage>
00042 {
00043 public:
00045   typedef MirrorPadImageFilter         Self;
00046   typedef PadImageFilter<TInputImage,TOutputImage>  Superclass;
00047   typedef SmartPointer<Self>  Pointer;
00048   typedef SmartPointer<const Self>  ConstPointer;
00049   
00051   itkNewMacro(Self); 
00052   
00054   itkTypeMacro(MirrorPadImageFilter, PadImageFilter);
00055   
00056   typedef TInputImage InputImageType;
00057   typedef TOutputImage OutputImageType;
00058   
00060   typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
00061   typedef typename Superclass::InputImageRegionType InputImageRegionType;
00062   
00064   typedef typename Superclass::OutputImagePixelType OutputImagePixelType;
00065   typedef typename Superclass::InputImagePixelType InputImagePixelType;
00066   
00068   typedef typename Superclass::OutputImageIndexType OutputImageIndexType;
00069   typedef typename Superclass::InputImageIndexType InputImageIndexType;
00070   typedef typename Superclass::OutputImageSizeType OutputImageSizeType;
00071   typedef typename Superclass::InputImageSizeType InputImageSizeType;
00072   
00074   itkStaticConstMacro(ImageDimension, unsigned int,
00075                       TInputImage::ImageDimension);
00076   
00077 protected:
00078   MirrorPadImageFilter() {};
00079   ~MirrorPadImageFilter() {};
00080   
00083   void ConvertOutputIndexToInputIndex(OutputImageIndexType & outputIndex, 
00084                                       InputImageIndexType & inputIndex, 
00085                                       OutputImageRegionType & outputRegion,
00086                                       InputImageRegionType & inputRegion,
00087                                       int oddRegionArray[ImageDimension]);
00088   
00091   int RegionIsOdd(long base, long test, long size);
00092   
00103   void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
00104                             int threadId );
00108   int GenerateNextInputRegion(long *regIndices, long *regLimit, 
00109                               std::vector<long> indices[ImageDimension], 
00110                               std::vector<long> sizes[ImageDimension], 
00111                               InputImageRegionType& outputRegion);
00112 
00116   int GenerateNextOutputRegion(long *regIndices, long *regLimit, 
00117                                std::vector<long> indices[ImageDimension], 
00118                                std::vector<long> sizes[ImageDimension], 
00119                                OutputImageRegionType& outputRegion);
00124   int FindRegionsInArea(long start, long end, long size, long offset);
00125 
00132   int BuildInterRegions(std::vector<long>& inputRegionStart, 
00133                         std::vector<long>& outputRegionStart,
00134                         std::vector<long>& inputRegionSizes, 
00135                         std::vector<long>& outputRegionSizes,
00136                         long inputIndex, long outputIndex,
00137                         long inputSize, long outputSize, int numRegs, 
00138                         int & regCtr);
00139 
00148   int BuildPreRegions(std::vector<long>& inputRegionStart, 
00149                       std::vector<long>& outputRegionStart,
00150                       std::vector<long>& inputRegionSizes, 
00151                       std::vector<long>& outputRegionSizes,
00152                       long inputIndex, long outputIndex,
00153                       long inputSize, long outputSize, int numRegs, 
00154                       int & regCtr);
00155 
00164   int BuildPostRegions(std::vector<long>& inputRegionStart, 
00165                        std::vector<long>& outputRegionStart,
00166                        std::vector<long>& inputRegionSizes, 
00167                        std::vector<long>& outputRegionSizes,
00168                        long inputIndex, long outputIndex,
00169                        long inputSize, long outputSize, 
00170                        int numRegs, int & regCtr);
00171 
00179   virtual void GenerateInputRequestedRegion();
00180 
00181 private:
00182   MirrorPadImageFilter(const Self&); //purposely not implemented
00183   void operator=(const Self&); //purposely not implemented
00184   
00185 };
00186   
00187 
00188 } // end namespace itk
00189 
00190 #ifndef ITK_MANUAL_INSTANTIATION
00191 #include "itkMirrorPadImageFilter.txx"
00192 #endif
00193 
00194 #endif

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