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itkImportImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkImportImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2008-10-16 16:45:10 $
00007   Version:   $Revision: 1.30 $
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 __itkImportImageFilter_h
00018 #define __itkImportImageFilter_h
00019 
00020 #include "itkImageSource.h"
00021 
00022 namespace itk
00023 {
00024 
00037 template <typename TPixel, unsigned int VImageDimension=2>
00038 class ITK_EXPORT ImportImageFilter: 
00039     public ImageSource< Image<TPixel,VImageDimension> >
00040 {
00041 public:
00043   typedef Image<TPixel,VImageDimension>         OutputImageType;
00044   typedef typename OutputImageType::Pointer     OutputImagePointer;
00045   typedef typename OutputImageType::SpacingType SpacingType;
00046   typedef typename OutputImageType::PointType   OriginType;
00047 
00048   
00050   typedef ImportImageFilter             Self;
00051   typedef ImageSource<OutputImageType>  Superclass;
00052   typedef SmartPointer<Self>            Pointer;
00053   typedef SmartPointer<const Self>      ConstPointer;
00054 
00056   itkNewMacro(Self);
00057 
00059   itkTypeMacro(ImportImageFilter,ImageSource);
00060 
00062   typedef Index<VImageDimension>  IndexType;
00063 
00065   typedef Size<VImageDimension>  SizeType;
00066 
00069   typedef ImageRegion<VImageDimension>  RegionType;
00070 
00072   typedef TPixel OutputImagePixelType;
00073 
00075   TPixel *GetImportPointer();
00076 
00084   void SetImportPointer(TPixel *ptr, unsigned long num,
00085                         bool LetFilterManageMemory);
00086 
00091   void SetRegion(const RegionType &region)
00092     { if (m_Region != region) {m_Region = region; this->Modified();} };
00093 
00098   const RegionType& GetRegion() const
00099     { return m_Region;}
00100 
00103   itkSetVectorMacro(Spacing, const double, VImageDimension);
00104   itkSetVectorMacro(Spacing, const float, VImageDimension);
00106 
00109   itkGetVectorMacro(Spacing, const double, VImageDimension);
00110   void SetSpacing( const SpacingType & spacing );
00112 
00115   itkSetVectorMacro(Origin, const double, VImageDimension);
00116   itkSetVectorMacro(Origin, const float, VImageDimension);
00117   void SetOrigin( const OriginType & origin );
00119 
00122   itkGetVectorMacro(Origin, const double, VImageDimension);
00123 
00124   typedef Matrix<double, VImageDimension, VImageDimension> DirectionType;
00125 
00128   virtual void SetDirection( const DirectionType direction );
00129 
00132   itkGetConstReferenceMacro(Direction, DirectionType);
00133 
00134 protected:
00135   ImportImageFilter();
00136   ~ImportImageFilter();
00137   void PrintSelf(std::ostream& os, Indent indent) const;
00138 
00141   virtual void GenerateData();
00142 
00146   virtual void GenerateOutputInformation();
00147 
00155   virtual void EnlargeOutputRequestedRegion(DataObject *output);
00156 
00157 private:  
00158   ImportImageFilter(const ImportImageFilter &); //purposely not implemented
00159   void operator=(const ImportImageFilter&); //purposely not implemented
00160 
00161   RegionType    m_Region;
00162   double        m_Spacing[VImageDimension];
00163   double        m_Origin[VImageDimension];
00164   DirectionType m_Direction;
00165 
00166   TPixel*       m_ImportPointer;
00167   bool          m_FilterManageMemory;
00168   unsigned long m_Size;
00169 };
00170 
00171 } // end namespace itk
00172 
00173 #ifndef ITK_MANUAL_INSTANTIATION
00174 #include "itkImportImageFilter.txx"
00175 #endif
00176 
00177 #endif
00178 

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