G4OpenGLSceneHandler.hh

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// $Id$
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// 
// Andrew Walkden  27th March 1996
// OpenGL scene handler - base for immediate mode and stored mode classes to
//                        inherit from.
 
#ifdef G4VIS_BUILD_OPENGL_DRIVER
 
#ifndef G4OPENGLSCENEHANDLER_HH
#define G4OPENGLSCENEHANDLER_HH
 
#include "globals.hh"
 
#include "G4VSceneHandler.hh"
#include "G4OpenGL.hh"
 
#include <map>
 
class G4AttHolder;
 
// Base class for various OpenGLSceneHandler classes.
class G4OpenGLSceneHandler: public G4VSceneHandler {
 
  friend class G4OpenGLViewer;
 
public:
  virtual void BeginPrimitives (const G4Transform3D& objectTransformation);
  virtual void EndPrimitives ();
  virtual void BeginPrimitives2D (const G4Transform3D& objectTransformation);
  virtual void EndPrimitives2D ();
  void AddPrimitive (const G4Polyline&);
  void AddPrimitive (const G4Polymarker&);
  void AddPrimitive (const G4Text&);
  void AddPrimitive (const G4Circle&);
  void AddPrimitive (const G4Square&);
  void AddPrimitivesCircle (const std::vector <G4VMarker>&);
  void AddPrimitivesSquare (const std::vector <G4VMarker>&);
  void AddPrimitive (const G4Scale&);
  void AddPrimitive (const G4Polyhedron&);
  void AddPrimitive (const G4NURBS&);
 
  void PreAddSolid (const G4Transform3D& objectTransformation,
            const G4VisAttributes&);
  void AddSolid (const G4Box&);
  void AddSolid (const G4Cons&);
  void AddSolid (const G4Tubs&);
  void AddSolid (const G4Trd&);
  void AddSolid (const G4Trap&);
  void AddSolid (const G4Sphere&);
  void AddSolid (const G4Para&);
  void AddSolid (const G4Torus&);
  void AddSolid (const G4Polycone&);
  void AddSolid (const G4Polyhedra&);
  void AddSolid (const G4VSolid&);
  void AddCompound (const G4VTrajectory&);
  void AddCompound (const G4VHit&);
  void AddCompound (const G4VDigi&);
  void AddCompound (const G4THitsMap<G4double>&);
 
  G4int GetEventsDrawInterval() {return fEventsDrawInterval;}
  void SetEventsDrawInterval(G4int interval) {fEventsDrawInterval = interval;}
 
protected:
 
  G4OpenGLSceneHandler (G4VGraphicsSystem& system,
            G4int id,
            const G4String& name = "");
  virtual ~G4OpenGLSceneHandler ();
 
  void ProcessScene();
  G4VSolid* CreateSectionSolid ();
  G4VSolid* CreateCutawaySolid ();
 
  void ClearAndDestroyAtts();  // Destroys att holders and clears pick map.
 
  GLuint fPickName;
  std::map<GLuint, G4AttHolder*> fPickMap;  // For picking.
 
  // Shared code to wait until we make a single glFlush
  void ScaledFlush () ;
  // Number of events to wait until we make a single glFlush
  G4int fEventsDrawInterval;
  // Number of events waiting to be flushed
  G4int fEventsWaitingToBeFlushed;
  
  // True if caller of primitives is capable of processing three passes.
  G4bool fThreePassCapable;
 
  G4bool fSecondPassForTransparencyRequested;
  G4bool fSecondPassForTransparency;
  
  G4bool fThirdPassForNonHiddenMarkersRequested;
  G4bool fThirdPassForNonHiddenMarkers;
  
  static const GLubyte fStippleMaskHashed [128];
};
 
#include "G4OpenGLSceneHandler.icc"
 
#endif
 
#endif