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.cc,v 2.1 1998/11/06 13:43:10 allison Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+// 
+// John Allison  27th March 1996
+// Abstract interface class for graphics systems.
+
+#include "G4VGraphicsSystem.hh"
+
+#include "G4VisManager.hh"
+
+G4VGraphicsSystem::G4VGraphicsSystem (const G4String& name,
+				      Functionality f):
+  fName (name),
+  fNickname (""),
+  fDescription (""),
+  fFunctionality (f) {}
+
+G4VGraphicsSystem::G4VGraphicsSystem (const G4String& name,
+				      const G4String& nickname,
+				      Functionality f):
+  fName (name),
+  fNickname (nickname),
+  fDescription (""),
+  fFunctionality (f) {}
+
+G4VGraphicsSystem::G4VGraphicsSystem (const G4String& name,
+				      const G4String& nickname,
+				      const G4String& description,
+				      Functionality f):
+  fName (name),
+  fNickname (nickname),
+  fDescription (description),
+  fFunctionality (f) {}
+
+ostream& operator << (ostream& os, const G4VGraphicsSystem& gs) {
+  G4VisManager* pVMan = G4VisManager::GetInstance ();
+  const G4SceneList& scenes = pVMan -> GetAvailableScenes ();
+  os << "Graphics System: " << gs.GetName ();
+  if (gs.GetNickname () != "") {
+    os << ", nickname: " << gs.GetNickname ();
+  }
+  if (gs.GetDescription () != "") {
+    os << "\n  Description: " << gs.GetDescription ();
+  }
+  os << "\n  Functionality: " << gs.GetFunctionality ();
+  if (pVMan -> GetVerboseLevel () > 1) {
+    G4int nScenes = scenes.entries ();
+    if (nScenes) {
+      G4int nScenesOfThisSystem = 0;
+      for (int i = 0; i < nScenes; i++) {
+	if (scenes [i] -> GetGraphicsSystem () == &gs) {
+	  nScenesOfThisSystem++;
+	}
+      }
+      if (nScenesOfThisSystem) {
+	os << "\n  Its scenes are: ";
+	for (int i = 0; i < nScenes; i++) {
+	  if (scenes [i] -> GetGraphicsSystem () == &gs) {
+	    os << "\n  " << *(scenes [i]);
+	  }
+	}
+      }
+      else {
+	os << "\n  It has no scenes at present.";
+      }
+    }
+    else {
+      os << "\n  There are no scenes instantiated at present.";
+    }
+  }
+  return os;
+}