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itkDicomImageIO.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkDicomImageIO.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:29:32 $ 00007 Version: $1.0$ 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 __itkDicomImageIO_h 00018 #define __itkDicomImageIO_h 00019 00020 #ifdef _MSC_VER 00021 #pragma warning ( disable : 4786 ) 00022 #endif 00023 00024 #include <fstream> 00025 #include "itkImageIOBase.h" 00026 00027 namespace itk 00028 { 00029 00036 class ITK_EXPORT DicomImageIO : public ImageIOBase 00037 { 00038 public: 00040 typedef DicomImageIO Self; 00041 typedef ImageIOBase Superclass; 00042 typedef SmartPointer<Self> Pointer; 00043 00044 //this structure is used to creat a table of tags 00045 typedef struct Bal 00046 { 00047 unsigned char Subtag1 [2]; 00048 unsigned char Subtag2 [2]; 00049 int count; 00050 } Tag; 00051 00053 itkNewMacro(Self); 00054 00056 itkTypeMacro(DicomImageIO, Superclass); 00057 00058 /*-------- This part of the interfaces deals with reading data. ----- */ 00059 00062 virtual bool CanReadFile(const char*) ; 00063 00065 virtual void ReadImageInformation(); 00066 00068 virtual const std::type_info& GetPixelType() const; 00069 00071 virtual void Read(void* buffer); 00072 00076 virtual unsigned int GetComponentSize() const; 00077 00078 /*-------- This part of the interfaces deals with writing data. ----- */ 00079 00082 virtual bool CanWriteFile(const char*); 00083 00085 virtual void WriteImageInformation(); 00086 00089 virtual void Write(const void* buffer); 00090 00091 00092 protected: 00093 DicomImageIO(); 00094 ~DicomImageIO(); 00095 void PrintSelf(std::ostream& os, Indent indent) const; 00096 00097 private: 00098 DicomImageIO(const Self&); //purposely not implemented 00099 void operator=(const Self&); //purposely not implemented 00100 00101 void SwapBytesIfNecessary(void* buffer, unsigned long numberOfPixels); 00102 00105 bool CheckTagTable(std::ifstream & inputStream, 00106 std::list <Tag> &TableOfTags) const; 00107 00110 bool GoToTheEndOfHeader(std::ifstream & inputStream, 00111 long int& i,Tag & tagcurrent) const; 00112 00115 bool GoToTag(std::ifstream & inputStream, int balise1, int balise2, 00116 long int & i, long int & max, Tag & tagcurrent) const; 00117 00119 bool IfEqual(unsigned char * tag, int tagvalue1, int tagvalue2) const; 00120 00121 // Position after ReadImageInformation. 00122 size_t m_InputPosition; 00123 }; 00124 00125 } // end namespace itk 00126 00127 #endif // __itkDicomImageIO_h

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