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itkIPLCommonImageIO.h

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00001 /*=========================================================================
00002 
00003 Program:   Insight Segmentation & Registration Toolkit
00004 Module:    $RCSfile: itkIPLCommonImageIO.h,v $
00005 Language:  C++
00006 Date:      $Date: 2004/01/08 00:39:06 $
00007 Version:   $Revision: 1.14 $
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 
00031 #ifndef __itkIPLCommonImageIO_h
00032 #define __itkIPLCommonImageIO_h
00033 
00034 #include <fstream>
00035 #include "itkImageIOBase.h"
00036 #include "itkIOCommon.h"
00037 #include "itkGEImageHeader.h"
00038 #include "itkIPLFileNameList.h"
00039 //#include "idbm_hdr_def.h"
00040 
00041 namespace itk
00042 {
00047 class ITK_EXPORT IPLCommonImageIO : public ImageIOBase
00048 {
00049 public:
00051   typedef IPLCommonImageIO            Self;
00052   typedef ImageIOBase  Superclass;
00053   typedef SmartPointer<Self>  Pointer;
00054   typedef unsigned char U8;
00055   typedef signed char S8;
00056   typedef unsigned short U16;
00057   typedef signed short S16;
00058   typedef unsigned int U32;
00059   typedef signed int S32;
00060   typedef unsigned long U64;
00061   typedef signed long S64;
00062   typedef float F32;
00063   typedef double F64;
00064 
00066   itkNewMacro(Self);
00067 
00069   itkTypeMacro(IPLCommonImageIO, Superclass);
00070 
00071   /*-------- This part of the interfaces deals with reading data. ----- */
00072 
00079   virtual bool CanReadFile(const char* FileNameToRead) ;
00080 
00082   virtual void ReadImageInformation();
00083 
00085   virtual const std::type_info& GetPixelType() const;
00086 
00088   virtual void Read(void* buffer);
00089 
00093   virtual unsigned int GetComponentSize() const;
00094 
00095   /*-------- This part of the interfaces deals with writing data. ----- */
00096 
00103   virtual bool CanWriteFile(const char * FileNameToWrite);
00104 
00106   virtual void WriteImageInformation();
00107 
00110   virtual void Write(const void* buffer);
00111 
00112 
00113   protected:
00114   IPLCommonImageIO();
00115   ~IPLCommonImageIO();
00116   void PrintSelf(std::ostream& os, Indent indent) const;
00117 
00118   int AddElementToList(char const * const filename, const float sliceLocation, const int offset, const int XDim, const int YDim, const int Key1, const int Key2 );
00119   void sortImageListAscend ();
00120   void sortImageListDescend ();
00121   int statTimeToAscii (void *clock, char *timeString);
00122   virtual struct GEImageHeader *ReadHeader(const char *FileNameToRead);
00123   //
00124   // data members
00125   struct GEImageHeader *m_ImageHeader;
00126   ImageIOBase::ByteOrder m_system_byteOrder;
00127   IPLFileNameList *m_fnlist;
00128   //
00129   // return 0 on success, -1 on failure
00130   int GetStringAt(std::ifstream &f,std::streamoff Offset,char *buf,
00131                   size_t amount, bool throw_exception = true);
00132   int GetIntAt(std::ifstream &f,std::streamoff Offset,int *ip,
00133                bool throw_exception = true);
00134   int GetShortAt(std::ifstream &f,std::streamoff Offset,short *ip,
00135                  bool throw_exception = true);
00136   int GetFloatAt(std::ifstream &f,std::streamoff Offset,float *ip,
00137                  bool throw_exception = true);
00138   int GetDoubleAt(std::ifstream &f,std::streamoff Offset,double *ip,
00139                   bool throw_exception = true);
00140 
00141   short hdr2Short(char *hdr);
00142   int hdr2Int(char *hdr);
00143   float hdr2Float(char *hdr);
00144   double hdr2Double(char *hdr);
00145 private:
00146   IPLCommonImageIO(const Self&); //purposely not implemented
00147   void operator=(const Self&); //purposely not implemented
00148 };
00149 
00150 } // end namespace itk
00151 #define RAISE_EXCEPTION() \
00152         { ExceptionObject exception(__FILE__, __LINE__); \
00153         exception.SetDescription("File cannot be read"); \
00154         throw exception; }
00155 
00156 #define IOCHECK() \
00157       if(f.fail()) \
00158       { \
00159   if(f.is_open()) \
00160     f.close(); \
00161   RAISE_EXCEPTION(); \
00162       }
00163 
00164 
00165 #endif // __itkAnalyzeImageIO_h

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