G4Visible.hh

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// $Id: G4Visible.hh 66376 2012-12-18 09:42:59Z gcosmo $
//
// 
// John Allison  30th October 1996

// Class Description:
// Base class for all things visible, i.e., which have Vis Attributes.
//
// Note: a null pointer implies no attributes.  Under those circumstances
// the visualization system is free to choose some.
// Class Description - End:


#ifndef G4VISIBLE_HH
#define G4VISIBLE_HH

#include "globals.hh"
#include <iostream>

class G4VisAttributes;

class G4Visible {

  friend std::ostream& operator << (std::ostream& os, const G4Visible& v);

public: // With description

  G4Visible ();
  G4Visible (const G4Visible&);
  G4Visible (const G4VisAttributes*);

  virtual ~G4Visible ();

  G4Visible& operator= (const G4Visible&);

  G4bool operator != (const G4Visible& right) const;

  const G4VisAttributes* GetVisAttributes () const;

  void SetVisAttributes (const G4VisAttributes*);
  // The G4VisAttributes object is not stored in a G4Visible; only a
  // reference, a const pointer, is kept.  Therefore the
  // G4VisAttributes object to which it refers must have a life long
  // enough to satisfy all uses of the G4Visible object.  E.g., if the
  // G4Visible object is created on the heap (using `new') then the
  // associated G4VisAttributes object would normally also be created
  // on the heap and managed in the same way.

  void SetVisAttributes (const G4VisAttributes&);
  // A copy of the G4VisAttributes object is created on the heap to
  // ensure a long life.

protected:

  const G4VisAttributes* fpVisAttributes;
  G4bool fAllocatedVisAttributes;
};

#include "G4Visible.icc"

#endif