G4OpenGLStoredViewer.hh

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// Andrew Walkden  7th February 1997
// Class G4OpenGLStoredViewer : Encapsulates the `storedness' of
//                              an OpenGL viewer, for inheritance by
//                              derived (X, Xm...) classes.
 
#ifndef G4OPENGLSTOREDVIEWER_HH
#define G4OPENGLSTOREDVIEWER_HH
 
#include "G4OpenGLViewer.hh"
 
class G4OpenGLStoredSceneHandler;
class G4Colour;
class G4Text;
class G4Circle;
 
class G4OpenGLStoredViewer: virtual public G4OpenGLViewer {
  
public:
  G4OpenGLStoredViewer (G4OpenGLStoredSceneHandler& scene);
  virtual ~G4OpenGLStoredViewer ();
  
protected:
  void KernelVisitDecision ();
  virtual G4bool CompareForKernelVisit(G4ViewParameters&);
  
  void DrawDisplayLists ();
 
  virtual void DisplayTimePOColourModification
  (G4Colour&, size_t /*currentPOListIndex*/) {}
 
  void AddPrimitiveForASingleFrame(const G4Text& text);
  void AddPrimitiveForASingleFrame(const G4Circle& circle);
 
  G4OpenGLStoredSceneHandler& fG4OpenGLStoredSceneHandler;
 
  G4ViewParameters fLastVP;  // Memory for making kernel visit decisions.
  
  // Two virtual functions to return sub-class selection.
  virtual G4bool POSelected(size_t) {return true;}
  virtual G4bool TOSelected(size_t) {return true;}
  
  G4bool fDepthTestEnable;
  G4Colour fOldDisplayListColor;
};
 
#endif