Import Geant4 0.0.0 source tree

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+// This code implementation is the intellectual property of
+// the RD44 GEANT4 collaboration.
+//
+// By copying, distributing or modifying the Program (or any work
+// based on the Program) you indicate your acceptance of this statement,
+// and all its terms.
+//
+// $Id: G4VGraphicsSystem.hh,v 2.1 1998/11/06 13:43:02 allison Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+// 
+// John Allison  27th March 1996
+// Abstract interface class for graphics systems.
+
+#ifndef G4VGRAPHICSSYSTEM_HH
+#define G4VGRAPHICSSYSTEM_HH
+
+#include "globals.hh"
+
+class G4VScene;
+class G4VView;
+
+class G4VGraphicsSystem {
+
+public:
+
+  enum Functionality {
+    noFunctionality,
+    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 ();
+
+  // For RWTPtrOrderedVector...
+  G4bool operator == (const G4VGraphicsSystem& system) const;
+
+  virtual G4VScene* CreateScene (const G4String& name)            = 0;
+  virtual G4VView*  CreateView  (G4VScene&, const G4String& name) = 0;
+
+  // Access functions.
+  const G4String& GetName          () const;
+  const G4String& GetNickname      () const;
+  const G4String& GetDescription   () const;
+  Functionality   GetFunctionality () const;
+
+protected:
+  const G4String fName;
+  const G4String fNickname;
+  const G4String fDescription;
+  Functionality  fFunctionality;
+};
+
+ostream& operator << (ostream& os, const G4VGraphicsSystem& gs);
+
+#include "G4VGraphicsSystem.icc"
+
+#endif