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itkExtractImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkExtractImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/09/11 19:39:01 $
00007   Version:   $Revision: 1.7 $
00008 
00009   Copyright (c) 2002 Insight 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 __itkExtractImageFilter_h
00018 #define __itkExtractImageFilter_h
00019 
00020 #include "itkImageToImageFilter.h"
00021 #include "itkSmartPointer.h"
00022 #include "itkExtractImageFilterRegionCopier.h"
00023 
00024 namespace itk
00025 {
00026 
00054 template <class TInputImage, class TOutputImage>
00055 class ITK_EXPORT ExtractImageFilter:
00056     public ImageToImageFilter<TInputImage,TOutputImage>
00057 {
00058 public:
00060   typedef ExtractImageFilter         Self;
00061   typedef ImageToImageFilter<TInputImage,TOutputImage>  Superclass;
00062   typedef SmartPointer<Self>  Pointer;
00063   typedef SmartPointer<const Self>  ConstPointer;
00064 
00066   itkNewMacro(Self);  
00067 
00069   itkTypeMacro(ExtractImageFilter, ImageToImageFilter);
00070 
00072   typedef typename TOutputImage::RegionType OutputImageRegionType;
00073   typedef typename TInputImage::RegionType InputImageRegionType;
00074 
00076   typedef typename TOutputImage::PixelType OutputImagePixelType;
00077   typedef typename TInputImage::PixelType InputImagePixelType;
00078 
00080   typedef typename TOutputImage::IndexType OutputImageIndexType;
00081   typedef typename TInputImage::IndexType InputImageIndexType;
00082   typedef typename TOutputImage::SizeType OutputImageSizeType;
00083   typedef typename TInputImage::SizeType InputImageSizeType;
00084 
00086   itkStaticConstMacro(InputImageDimension, unsigned int,
00087                       TInputImage::ImageDimension);
00088   itkStaticConstMacro(OutputImageDimension, unsigned int,
00089                       TOutputImage::ImageDimension);
00090 
00091   typedef 
00092     ImageToImageFilterDetail::ExtractImageFilterRegionCopier<itkGetStaticConstMacro(InputImageDimension), 
00093                                                              itkGetStaticConstMacro(OutputImageDimension)> ExtractImageFilterRegionCopierType;
00094 
00100   void SetExtractionRegion(InputImageRegionType extractRegion);
00101   itkGetMacro(ExtractionRegion, InputImageRegionType);
00102 
00103 
00110   virtual void GenerateOutputInformation();
00111 
00112   virtual void CallCopyRegion(InputImageRegionType &destRegion,
00113                               const OutputImageRegionType &srcRegion);
00114 protected:
00115   ExtractImageFilter();
00116   ~ExtractImageFilter() {};
00117   void PrintSelf(std::ostream& os, Indent indent) const;
00118 
00128   void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
00129                             int threadId );
00130   InputImageRegionType m_ExtractionRegion;
00131   OutputImageRegionType m_OutputImageRegion;
00132 
00133 private:
00134   ExtractImageFilter(const Self&); //purposely not implemented
00135   void operator=(const Self&); //purposely not implemented
00136   
00137 };
00138 
00139   
00140 } // end namespace itk
00141   
00142 #ifndef ITK_MANUAL_INSTANTIATION
00143 #include "itkExtractImageFilter.txx"
00144 #endif
00145   
00146 #endif

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