gdcmPresentationContextRQ.h

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/*=========================================================================
 
  Program: GDCM (Grassroots DICOM). A DICOM library
 
  Copyright (c) 2006-2011 Mathieu Malaterre
  All rights reserved.
  See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef GDCMPRESENTATIONCONTEXTRQ_H
#define GDCMPRESENTATIONCONTEXTRQ_H
 
#include "gdcmTypes.h"
#include "gdcmAbstractSyntax.h"
#include "gdcmTransferSyntaxSub.h"
#include "gdcmDataSet.h"
 
namespace gdcm
{
class PresentationContext;
namespace network
{
 
class GDCM_EXPORT PresentationContextRQ
{
public:
  PresentationContextRQ();
 
  PresentationContextRQ( UIDs::TSName asname, UIDs::TSName tsname =
    UIDs::ImplicitVRLittleEndianDefaultTransferSyntaxforDICOM  );
 
  std::istream &Read(std::istream &is);
  const std::ostream &Write(std::ostream &os) const;
  size_t Size() const;
 
  void SetAbstractSyntax( AbstractSyntax const & absyn );
  AbstractSyntax const &GetAbstractSyntax() const { return SubItems; }
  AbstractSyntax &GetAbstractSyntax() { return SubItems; }
 
  void AddTransferSyntax( TransferSyntaxSub const &ts );
  typedef std::vector<TransferSyntaxSub>::size_type SizeType;
  TransferSyntaxSub const & GetTransferSyntax(SizeType i) const { return TransferSyntaxes[i]; }
  TransferSyntaxSub & GetTransferSyntax(SizeType i) { return TransferSyntaxes[i]; }
  std::vector<TransferSyntaxSub> const & GetTransferSyntaxes() const {return TransferSyntaxes; }
  SizeType GetNumberOfTransferSyntaxes() const { return TransferSyntaxes.size(); }
 
  void SetPresentationContextID( uint8_t id );
  uint8_t GetPresentationContextID() const;
 
  void Print(std::ostream &os) const;
 
  bool operator==(const PresentationContextRQ & pc) const
    {
    assert( TransferSyntaxes.size() == 1 ); // TODO
    assert( pc.TransferSyntaxes.size() == 1 );
    return SubItems == pc.SubItems && TransferSyntaxes == pc.TransferSyntaxes;
    }
 
  PresentationContextRQ(const PresentationContext & pc);
 
private:
  static const uint8_t ItemType;
  static const uint8_t Reserved2;
  uint16_t ItemLength; // len of last transfer syntax
  uint8_t /*PresentationContext*/ID;
  static const uint8_t Reserved6;
  static const uint8_t Reserved7;
  static const uint8_t Reserved8;
  /*
  This variable field shall contain the following sub-items: one Abstract
  Syntax and one or more Transfer Syntax(es). For a complete
  description of the use and encoding of these sub-items see Sections
  9.3.2.2.1 and 9.3.2.2.2.
   */
  AbstractSyntax SubItems;
  std::vector<TransferSyntaxSub> TransferSyntaxes;
};
 
} // end namespace network
 
} // end namespace gdcm
 
#endif //GDCMPRESENTATIONCONTEXTRQ_H