G4VGraphicsSystem.hh

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// $Id$
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// 
// 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.
  };
 
  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