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gdcmPreamble.h
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    00001 /*=========================================================================
    00002
    00003   Program: GDCM (Grassroots DICOM). A DICOM library
    00004
    00005   Copyright (c) 2006-2011 Mathieu Malaterre
    00006   All rights reserved.
    00007   See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
    00008
    00009      This software is distributed WITHOUT ANY WARRANTY; without even
    00010      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
    00011      PURPOSE.  See the above copyright notice for more information.
    00012
    00013 =========================================================================*/
    00014
    00015 #ifndef GDCMPREAMBLE_H
    00016 #define GDCMPREAMBLE_H
    00017
    00018 #include "gdcmTypes.h"
    00019 #include "gdcmVL.h"
    00020
    00021 namespace gdcm
    00022 {
    00023
    00027 class GDCM_EXPORT Preamble
    00028 {
    00029 public:
    00030   Preamble();
    00031   ~Preamble();
    00032
    00033   friend std::ostream &operator<<(std::ostream &_os, const Preamble &_val);
    00034
    00035   // Clear
    00036   void Clear();
    00037
    00038   // Set Preamble to the default one
    00039   void Valid();
    00040   void Create();
    00041   void Remove();
    00042
    00043  // Read
    00044   std::istream &Read(std::istream &is);
    00045
    00046   // Write
    00047   std::ostream const &Write(std::ostream &os) const;
    00048
    00049   void Print(std::ostream &os) const;
    00050
    00051   const char *GetInternal() const { return Internal; }
    00052
    00053   bool IsEmpty() const { return !Internal; }
    00054
    00055   VL GetLength() const { return 128 + 4; }
    00056
    00057   Preamble(Preamble const &)
    00058     {
    00059     Create();
    00060     }
    00061   Preamble& operator=(Preamble const &)
    00062     {
    00063     Create();
    00064     return *this;
    00065     }
    00066 protected:
    00067   //
    00068   bool IsValid() const {
    00069     // is (IsValid == true) => Internal was read
    00070     return true;
    00071   }
    00072
    00073
    00074 private:
    00075   char *Internal;
    00076 };
    00077 //-----------------------------------------------------------------------------
    00078 inline std::ostream& operator<<(std::ostream &os, const Preamble &val)
    00079 {
    00080   os << val.Internal;
    00081   return os;
    00082 }
    00083
    00084
    00085 } // end namespace gdcm
    00086
    00087 #endif //GDCMPREAMBLE_H