Import Geant4 11.3.0.beta source tree

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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+//
+// J.Allison  Apr 2005.
+
+// Class Description:
+// Facilitates sharing of font bases between scene handler and viewers.
+
+#ifndef G4OPENGLFONTBASESTORE_HH
+#define G4OPENGLFONTBASESTORE_HH
+
+#include "globals.hh"
+#include <map>
+#include <vector>
+
+class G4VViewer;
+
+class G4OpenGLFontBaseStore {
+public:
+  struct FontInfo {
+    FontInfo():
+      fFontName(""), fSize(0), fFontBase(-1), fWidth(-1) {}
+    FontInfo
+    (const G4String& fontName, G4double size, G4int fontBase, G4int width):
+      fFontName(fontName), fSize(size), fFontBase(fontBase), fWidth(width) {}
+    G4String fFontName;
+    G4double fSize;  // In terms of G4VMarker Screen Size.
+    G4int fFontBase;
+    G4int fWidth;
+  };
+  static void AddFontBase(G4VViewer*, G4int fontBase,
+			  G4double size, const G4String& fontName,
+			  G4int width);
+  static const FontInfo& GetFontInfo(G4VViewer*, G4double size);
+private:
+  static std::map<G4VViewer*,std::vector<FontInfo> > fFontBaseMap;
+};
+
+#endif