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itkNiftiImageIO.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkNiftiImageIO.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-11-03 19:07:08 $
00007   Version:   $Revision: 1.16 $
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 
00025 #ifndef __itkNiftiImageIO_h
00026 #define __itkNiftiImageIO_h
00027 
00028 #ifdef _MSC_VER
00029 #pragma warning ( disable : 4786 )
00030 #endif
00031 
00032 #include <fstream>
00033 #include "itkImageIOBase.h"
00034 #include <nifti1_io.h>
00035 
00036 namespace itk
00037 {
00038 
00047 class ITK_EXPORT NiftiImageIO : public ImageIOBase
00048 {
00049 public:
00051   typedef NiftiImageIO       Self;
00052   typedef ImageIOBase        Superclass;
00053   typedef SmartPointer<Self> Pointer;
00054 
00056   itkNewMacro(Self);
00057 
00059   itkTypeMacro(NiftiImageIO, Superclass);
00060 
00061   /*-------- This part of the interfaces deals with reading data. ----- */
00062 
00069   virtual bool CanReadFile(const char* FileNameToRead);
00070 
00072   virtual void ReadImageInformation();
00073 
00075   virtual void Read(void* buffer);
00076 
00077   /*-------- This part of the interfaces deals with writing data. ----- */
00078 
00085   virtual bool CanWriteFile(const char * FileNameToWrite);
00086 
00088   virtual void WriteImageInformation();
00089 
00092   virtual void Write(const void* buffer);
00093 
00096   virtual ImageIORegion 
00097   GenerateStreamableReadRegionFromRequestedRegion( const ImageIORegion & requestedRegion ) const;
00098 
00104   itkSetMacro(LegacyAnalyze75Mode,bool);
00105   itkGetConstMacro(LegacyAnalyze75Mode,bool);
00107 
00108 protected:
00109   NiftiImageIO();
00110   ~NiftiImageIO();
00111   void PrintSelf(std::ostream& os, Indent indent) const;
00112   virtual bool GetUseLegacyModeForTwoFileWriting(void) const { return false; }
00113 private:
00114   bool  MustRescale();
00115   void  DefineHeaderObjectDataType();
00116   void  SetNIfTIOrientationFromImageIO(unsigned short int origdims, unsigned short int dims);
00117   void  SetImageIOOrientationFromNIfTI(unsigned short int dims);
00118   void  SetImageIOMetadataFromNIfTI();
00119 
00120   nifti_image *     m_NiftiImage;
00121   double            m_RescaleSlope;
00122   double            m_RescaleIntercept;
00123   IOComponentType   m_OnDiskComponentType;
00124   bool              m_LegacyAnalyze75Mode;
00125 
00126   NiftiImageIO(const Self&); //purposely not implemented
00127   void operator=(const Self&); //purposely not implemented
00128 };
00129 
00130 } // end namespace itk
00131 
00132 #endif // __itkNiftiImageIO_h
00133 

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