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itkStreamingImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkStreamingImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-02-04 16:34:11 $
00007   Version:   $Revision: 1.15 $
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 __itkStreamingImageFilter_h
00018 #define __itkStreamingImageFilter_h
00019 
00020 #include "itkImageSource.h"
00021 #include "itkImageToImageFilter.h"
00022 #include "itkImageRegionSplitter.h"
00023 
00024 namespace itk
00025 {
00026 
00043 template <class TInputImage, class TOutputImage>
00044 class ITK_EXPORT StreamingImageFilter : public ImageToImageFilter<TInputImage, TOutputImage>
00045 {
00046 public:
00048   typedef StreamingImageFilter                           Self;
00049   typedef ImageToImageFilter<TInputImage, TOutputImage>  Superclass;
00050   typedef SmartPointer<Self>                             Pointer;
00051   typedef SmartPointer<const Self>                       ConstPointer;
00052 
00054   itkNewMacro(Self);
00055 
00057   itkTypeMacro(StreamingImageFilter,ImageToImageFilter);
00058 
00060   typedef TInputImage                         InputImageType;
00061   typedef typename InputImageType::Pointer    InputImagePointer;
00062   typedef typename InputImageType::RegionType InputImageRegionType; 
00063   typedef typename InputImageType::PixelType  InputImagePixelType; 
00064 
00065   typedef TOutputImage                           OutputImageType;
00066   typedef typename OutputImageType::Pointer      OutputImagePointer;
00067   typedef typename OutputImageType::RegionType   OutputImageRegionType; 
00068   typedef typename OutputImageType::PixelType    OutputImagePixelType; 
00069   typedef typename Superclass::DataObjectPointer DataObjectPointer;
00070 
00072   itkStaticConstMacro(InputImageDimension, unsigned int,
00073                       InputImageType::ImageDimension);
00074   itkStaticConstMacro(OutputImageDimension, unsigned int,
00075                       OutputImageType::ImageDimension);
00077 
00079   typedef ImageRegionSplitter<itkGetStaticConstMacro(InputImageDimension)>
00080   SplitterType;
00081   typedef typename SplitterType::Pointer RegionSplitterPointer;
00082 
00085   itkSetMacro(NumberOfStreamDivisions,unsigned int);
00086 
00089   itkGetConstReferenceMacro(NumberOfStreamDivisions,unsigned int);
00090 
00092   itkSetObjectMacro(RegionSplitter, SplitterType);
00093 
00095   itkGetObjectMacro(RegionSplitter, SplitterType);
00096 
00102   virtual void UpdateOutputData(DataObject *output);
00103 
00108   virtual void PropagateRequestedRegion(DataObject *output);
00109 
00110 
00111 #ifdef ITK_USE_CONCEPT_CHECKING
00112 
00113   itkConceptMacro(SameDimensionCheck,
00114     (Concept::SameDimension<InputImageDimension, OutputImageDimension>));
00115   itkConceptMacro(InputConvertibleToOutputCheck,
00116     (Concept::Convertible<InputImagePixelType, OutputImagePixelType>));
00117 
00119 #endif
00120 
00121 protected:
00122   StreamingImageFilter();
00123   ~StreamingImageFilter();
00124   void PrintSelf(std::ostream& os, Indent indent) const;
00125 
00126 private:
00127   StreamingImageFilter(const StreamingImageFilter&); //purposely not implemented
00128   void operator=(const StreamingImageFilter&); //purposely not implemented
00129 
00130   unsigned int          m_NumberOfStreamDivisions;
00131   RegionSplitterPointer m_RegionSplitter;
00132 };
00133 
00134 } // end namespace itk
00135 
00136 #ifndef ITK_MANUAL_INSTANTIATION
00137 #include "itkStreamingImageFilter.txx"
00138 #endif
00139 
00140 #endif
00141 

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