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itkRawImageIO.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkRawImageIO.h,v $
00005   Language:  C++
00006   Date:      $Date: 2007/03/22 14:28:52 $
00007   Version:   $Revision: 1.33 $
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 __itkRawImageIO_h
00018 #define __itkRawImageIO_h
00019 
00020 #include <fstream>
00021 #include "itkImageIOBase.h"
00022 #include "itkIndex.h"
00023 #include "itkImageRegion.h"
00024 #include "itkPixelTraits.h"
00025 #include "itkByteSwapper.h"
00026 #include "itkVersion.h"
00027 #include <string>
00028 
00029 
00030 namespace itk
00031 {
00032 
00048 template <class TPixel, unsigned int VImageDimension=2>
00049 class ITK_EXPORT RawImageIO : public ImageIOBase
00050 {
00051 public:
00053   typedef RawImageIO         Self;
00054   typedef ImageIOBase        Superclass;
00055   typedef SmartPointer<Self> Pointer;
00056 
00058   itkNewMacro(Self);
00059 
00061   itkTypeMacro(RawImageIO, ImageIOBase);
00062 
00065   typedef TPixel PixelType;
00066 
00068   typedef typename PixelTraits<PixelType>::ValueType       ComponentType;
00069 
00071   typedef ByteSwapper<ComponentType>               ByteSwapperType;
00072 
00073 
00076   void SetHeaderSize(unsigned long size);
00077   unsigned long GetHeaderSize();
00079 
00083   itkSetMacro(FileDimensionality, unsigned long);
00084   itkGetMacro(FileDimensionality, unsigned long);
00086 
00092   virtual bool SupportsDimension(unsigned long dim)
00093   {return (dim == m_FileDimensionality);}
00094 
00095   /*-------- This part of the interface deals with reading data. ------ */
00096 
00100   virtual bool CanReadFile(const char*) {return false;}
00101 
00104   virtual void ReadImageInformation() {return;}
00105 
00107   virtual void Read(void* buffer);
00108 
00110   itkGetConstReferenceMacro(ImageMask,unsigned short);
00111   void SetImageMask(unsigned long val) 
00112     {
00113     if (val == m_ImageMask) { return; }
00114     m_ImageMask = ((unsigned short)(val)); 
00115     this->Modified();
00116     }
00118 
00120   virtual void ReadHeader (const std::string = std::string()) {}
00121 
00122   /*-------- This part of the interfaces deals with writing data. ----- */
00123 
00127   virtual bool CanWriteFile(const char*);
00128 
00130   virtual void WriteImageInformation(void) {return;}
00131 
00132 
00134   virtual void Write(const void* buffer);
00135 
00136 protected:
00137   RawImageIO();
00138   ~RawImageIO();
00139   void PrintSelf(std::ostream& os, Indent indent) const;
00140 
00141   //void ComputeInternalFileName(unsigned long slice);
00142   void OpenFileForReading(std::ifstream& is);
00143   void OpenFileForWriting(std::ofstream& os);
00144   
00145 private:
00146   RawImageIO(const Self&); //purposely not implemented
00147   void operator=(const Self&); //purposely not implemented
00148 
00149   std::string   m_InternalFileName;
00150 
00151   unsigned long  m_FileDimensionality;
00152   bool           m_ManualHeaderSize;
00153   unsigned long  m_HeaderSize;
00154   unsigned short m_ImageMask;
00155 };
00156 
00157 template <class TPixel, unsigned int VImageDimension>
00158 class ITK_EXPORT RawImageIOFactory : public ObjectFactoryBase
00159 {
00160 public:
00162   typedef RawImageIOFactory<TPixel,VImageDimension> Self;
00163   typedef ObjectFactoryBase                         Superclass;
00164   typedef SmartPointer<Self>                        Pointer;
00165   typedef SmartPointer<const Self>                  ConstPointer;
00166 
00168   const char* GetITKSourceVersion(void) const
00169     {
00170     return ITK_SOURCE_VERSION;
00171     }
00172 
00173   const char* GetDescription(void) const
00174     {
00175     return "Raw ImageIO Factory, allows the loading of Raw images into insight";
00176     }
00177 
00179   itkFactorylessNewMacro(Self);
00180 
00182   itkTypeMacro(RawImageIOFactory, ObjectFactoryBase);
00183 
00185   static void RegisterOneFactory(void)
00186     {
00187     ObjectFactoryBase::RegisterFactory( Self::New() );
00188     }
00189 
00190 protected:
00191   RawImageIOFactory() {};
00192   ~RawImageIOFactory() {};
00193   typedef RawImageIO<TPixel,VImageDimension> myProductType;
00194   const myProductType* m_MyProduct;
00195 
00196 private:
00197   RawImageIOFactory(const Self&); //purposely not implemented
00198   void operator=(const Self&); //purposely not implemented
00199 
00200 };
00201 
00202 } // namespace itk
00203 
00204 #ifndef ITK_MANUAL_INSTANTIATION
00205 #include "itkRawImageIO.txx"
00206 #endif
00207 
00208 #endif
00209 

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