include/Geant4/G4OpenGLFontBaseStore.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 //
0027 // J.Allison  Apr 2005.
0028
0029 // Class Description:
0030 // Facilitates sharing of font bases between scene handler and viewers.
0031
0032 #ifndef G4OPENGLFONTBASESTORE_HH
0033 #define G4OPENGLFONTBASESTORE_HH
0034
0035 #include "globals.hh"
0036 #include <map>
0037 #include <vector>
0038
0039 class G4VViewer;
0040
0041 class G4OpenGLFontBaseStore {
0042 public:
0043   struct FontInfo {
0044     FontInfo():
0045       fFontName(""), fSize(0), fFontBase(-1), fWidth(-1) {}
0046     FontInfo
0047     (const G4String& fontName, G4double size, G4int fontBase, G4int width):
0048       fFontName(fontName), fSize(size), fFontBase(fontBase), fWidth(width) {}
0049     G4String fFontName;
0050     G4double fSize;  // In terms of G4VMarker Screen Size.
0051     G4int fFontBase;
0052     G4int fWidth;
0053   };
0054   static void AddFontBase(G4VViewer*, G4int fontBase,
0055               G4double size, const G4String& fontName,
0056               G4int width);
0057   static const FontInfo& GetFontInfo(G4VViewer*, G4double size);
0058 private:
0059   static std::map<G4VViewer*,std::vector<FontInfo> > fFontBaseMap;
0060 };
0061
0062 #endif