G4VGraphicsSystem.hh

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// $Id: G4VGraphicsSystem.hh 78838 2014-01-28 08:46:17Z gcosmo $
//
// 
// John Allison  27th March 1996
//
// Class description
//
// Abstract interface class for graphics systems.

#ifndef G4VGRAPHICSSYSTEM_HH
#define G4VGRAPHICSSYSTEM_HH

#include "globals.hh"

class G4VSceneHandler;
class G4VViewer;

class G4VGraphicsSystem {

public: // With description

  enum Functionality {
    noFunctionality
    ,nonEuclidian       // e.g., tree representation of geometry hierarchy.
    ,twoD               // Simple 2D, e.g., X (no stored structures).
    ,twoDStore          // 2D with stored structures.
    ,threeD             // Passive 3D (with stored structures).
    ,threeDInteractive  // 3D with "pick" functionality.
    ,virtualReality     // Virtual Reality functionality.
    ,fileWriter         // File writer
  };

  G4VGraphicsSystem (const G4String& name,
                     Functionality f);

  G4VGraphicsSystem (const G4String& name,
                     const G4String& nickname,
                     Functionality f);

  G4VGraphicsSystem (const G4String& name,
                     const G4String& nickname,
                     const G4String& description,
                     Functionality f);

  virtual ~G4VGraphicsSystem ();

  virtual G4VSceneHandler* CreateSceneHandler (const G4String& name) = 0;

  virtual G4VViewer* CreateViewer (G4VSceneHandler&, const G4String& name) = 0;

  // Access functions.
  const G4String& GetName          () const;
  const G4String& GetNickname      () const;
  const G4String& GetDescription   () const;
  Functionality   GetFunctionality () const;
  virtual G4bool IsUISessionCompatible () const;
  void SetName          (const G4String&);
  void SetNickname      (const G4String&);
  void SetDescription   (const G4String&);
  void SetFunctionality (Functionality);

protected:
  G4String fName;
  G4String fNickname;
  G4String fDescription;
  Functionality  fFunctionality;
};

std::ostream& operator << (std::ostream& os, const G4VGraphicsSystem& gs);

#include "G4VGraphicsSystem.icc"

#endif