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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 GDCMPREAMBLE_H
#define GDCMPREAMBLE_H
#include "gdcmTypes.h"
#include "gdcmVL.h"
namespace gdcm
{
/**
* \brief DICOM Preamble (Part 10)
*/
class GDCM_EXPORT Preamble
{
public:
Preamble();
~Preamble();
friend std::ostream &operator<<(std::ostream &_os, const Preamble &_val);
/// Clear
void Clear();
/// Set Preamble to the default one
void Valid();
void Create();
void Remove();
/// Read Preamble
std::istream &Read(std::istream &is);
/// Write Preamble
std::ostream const &Write(std::ostream &os) const;
/// Print Preamble
void Print(std::ostream &os) const;
/// Get internal pointer to preamble
const char *GetInternal() const { return Internal; }
/// Check if Preamble is empty
bool IsEmpty() const { return !Internal; }
/// Return size of Preamble
VL GetLength() const { return 128 + 4; }
Preamble(Preamble const &):Internal(nullptr)
{
Create();
}
Preamble& operator=(Preamble const &)
{
Create();
return *this;
}
protected:
//
bool IsValid() const {
// is (IsValid == true) => Internal was read
return true;
}
private:
char *Internal;
};
//-----------------------------------------------------------------------------
inline std::ostream& operator<<(std::ostream &os, const Preamble &val)
{
os << val.Internal;
return os;
}
} // end namespace gdcm
#endif //GDCMPREAMBLE_H