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itkImageAdaptor.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkImageAdaptor.h,v $
00005   Language:  C++
00006   Date:      $Date: 2003/12/09 17:24:08 $
00007   Version:   $Revision: 1.47 $
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 __itkImageAdaptor_h
00018 #define __itkImageAdaptor_h
00019 
00020 #include "itkImage.h"
00021 
00022 namespace itk
00023 {
00024 
00046 template <class TImage, class TAccessor >
00047 class ITK_EXPORT ImageAdaptor : public ImageBase< ::itk::GetImageDimension<TImage>::ImageDimension>
00048 {
00049 public:
00054   itkStaticConstMacro(ImageDimension, unsigned int, TImage::ImageDimension);
00055 
00057   typedef ImageAdaptor  Self;
00058   typedef ImageBase<itkGetStaticConstMacro(ImageDimension)> Superclass;
00059   typedef SmartPointer<Self>  Pointer;
00060   typedef SmartPointer<const Self>  ConstPointer;
00061   
00063   itkTypeMacro(ImageAdaptor, ImageBase);
00064 
00066   typedef TImage InternalImageType;
00067   
00069   itkNewMacro(Self);  
00070 
00073   typedef typename TAccessor::ExternalType PixelType;
00074 
00077   typedef typename TAccessor::InternalType InternalPixelType;
00078 
00081   typedef   TAccessor   AccessorType;
00082 
00084   typedef typename Superclass::IndexType  IndexType;
00085   typedef typename IndexType::IndexValueType    IndexValueType;
00086   
00088   typedef typename Superclass::SizeType  SizeType;
00089   typedef typename SizeType::SizeValueType      SizeValueType;
00090     
00092   typedef typename Superclass::OffsetType OffsetType;
00093   typedef typename OffsetType::OffsetValueType  OffsetValueType;
00094     
00097   typedef typename Superclass::RegionType RegionType;
00098 
00101   typedef typename Superclass::SpacingType SpacingType;
00102 
00105   typedef typename Superclass::PointType PointType;
00106 
00113   virtual void SetLargestPossibleRegion(const RegionType &region);
00114 
00118   virtual void SetBufferedRegion(const RegionType &region);
00119 
00123   virtual void SetRequestedRegion(const RegionType &region);
00124 
00129   virtual void SetRequestedRegion(DataObject *data);
00130 
00137   virtual const RegionType & GetRequestedRegion() const;
00138 
00147   virtual const RegionType& GetLargestPossibleRegion() const;
00148 
00154   virtual const RegionType& GetBufferedRegion() const;
00155 
00157   inline void Allocate();
00158 
00159 
00162   virtual void Initialize();
00163 
00165   void SetPixel(const IndexType &index, const PixelType & value)
00166     { m_PixelAccessor.Set( m_Image->GetPixel(index), value ); }
00167   
00169   PixelType GetPixel(const IndexType &index) const
00170     { return m_PixelAccessor.Get( m_Image->GetPixel(index) ); }
00171 
00173   PixelType operator[](const IndexType &index) const
00174     { return m_PixelAccessor.Get( m_Image->GetPixel(index) ); }
00175 
00177   const OffsetValueType *GetOffsetTable() const;
00178 
00180   IndexType ComputeIndex(OffsetValueType offset) const;
00181 
00184   typedef typename TImage::PixelContainer        PixelContainer;
00185   typedef typename TImage::PixelContainerPointer PixelContainerPointer;
00186   typedef typename TImage::PixelContainerConstPointer PixelContainerConstPointer;
00187   
00189   PixelContainerPointer GetPixelContainer()
00190     { return m_Image->GetPixelContainer(); };
00191 
00194   void SetPixelContainer( PixelContainer *container );
00195   
00197   typedef InternalPixelType * InternalPixelPointerType;
00198 
00201   InternalPixelType *GetBufferPointer();
00202   const InternalPixelType *GetBufferPointer() const;
00203   void GetBufferPointer2( InternalPixelPointerType  & );
00204   
00206   virtual void SetSpacing( const SpacingType& values );
00207   virtual void SetSpacing( const double values[ImageDimension] );
00208   virtual void SetSpacing( const float values[ImageDimension] );
00209   
00213   virtual const SpacingType& GetSpacing() const;
00214  
00218   virtual const PointType& GetOrigin() const;
00219 
00221   virtual void SetOrigin( const PointType & values);
00222   virtual void SetOrigin( const double values[ImageDimension] );
00223   virtual void SetOrigin( const float values[ImageDimension] );
00224   
00226   virtual void SetImage( TImage * );
00227 
00229   virtual void Modified() const;
00230 
00232   virtual unsigned long GetMTime() const;
00233 
00235   AccessorType & GetPixelAccessor( void ) 
00236     { return m_PixelAccessor; }
00237     
00239   const AccessorType & GetPixelAccessor( void ) const
00240     { return m_PixelAccessor; }
00241 
00243   void SetPixelAccessor( const AccessorType & accessor ) 
00244     { m_PixelAccessor = accessor; }
00245  
00247   virtual void Update();
00248   virtual void UpdateOutputInformation();
00249   virtual void SetRequestedRegionToLargestPossibleRegion();
00250   virtual void CopyInformation(const DataObject *data);
00251    
00252 protected:
00253   ImageAdaptor();
00254   virtual ~ImageAdaptor();
00255   void PrintSelf(std::ostream& os, Indent indent) const;
00256   
00257 private:
00258   ImageAdaptor(const Self&); //purposely not implemented
00259   void operator=(const Self&); //purposely not implemented
00260   
00261   // Adapted image, most of the calls to ImageAdaptor
00262   // will be delegated to this image
00263   typename TImage::Pointer   m_Image;
00264 
00265   // Data accessor object, 
00266   // it converts the presentation of a pixel
00267   AccessorType               m_PixelAccessor;
00268   
00269 
00270 };
00271   
00272 } // end namespace itk
00273 
00274 #ifndef ITK_MANUAL_INSTANTIATION
00275 #include "itkImageAdaptor.txx"
00276 #endif
00277   
00278   
00279 
00280 #endif
00281 

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