Gabriele Cosmo
94 lines
3.7 KiB
C++
94 lines
3.7 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4OpenGLStoredSceneHandler.hh,v 1.13 2001/08/14 18:03:14 johna Exp $
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// GEANT4 tag $Name: geant4-05-01 $
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//
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//
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// Andrew Walkden 10th February 1997
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// G4OpenGLStoredSceneHandler - creates OpenGL Display lists.
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#ifdef G4VIS_BUILD_OPENGL_DRIVER
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#ifndef G4OPENGLSTOREDSCENEHANDLER_HH
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#define G4OPENGLSTOREDSCENEHANDLER_HH
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#include "G4VSceneHandler.hh"
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#include "G4OpenGLViewer.hh"
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#include "G4OpenGLStoredViewer.hh"
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#include "globals.hh"
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#include "G4RotationMatrix.hh"
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#include "G4OpenGLSceneHandler.hh"
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#include "g4std/map"
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#include "g4std/vector"
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class G4OpenGLStored;
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class G4OpenGLStoredSceneHandler: public G4OpenGLSceneHandler {
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public:
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G4OpenGLStoredSceneHandler (G4VGraphicsSystem& system, const G4String& name = "");
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virtual ~G4OpenGLStoredSceneHandler ();
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void BeginPrimitives (const G4Transform3D& objectTransformation);
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void EndPrimitives ();
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void BeginModeling ();
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void EndModeling ();
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static G4int GetSceneCount ();
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private:
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friend class G4OpenGLStoredViewer;
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// ..allows access to P/TODLs.
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void ClearStore ();
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void ClearTransientStore ();
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void RequestPrimitives (const G4VSolid& solid);
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static G4int fSceneIdCount; // static counter for OpenGLStored scenes.
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static G4int fSceneCount; // No. of extanct scene handlers.
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G4int fDisplayListId; // Workspace.
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G4bool fMemoryForDisplayLists; // avoid memory overflow
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G4ViewParameters fLastVP; // Keeps memory of last view parameters,
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// namely the ones which go with the graphical database
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// (display lists). A view may interrogate this to decide if
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// it needs to visit the kernel, i.e., to remake the
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// graphical database.
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// PODL = Persistent Object Display List.
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GLint fTopPODL; // List which calls the other PODLs.
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G4std::vector<G4int> fPODLList;
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G4std::vector<G4Transform3D> fPODLTransformList;
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// TODL = Transient Object Display List.
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G4std::vector<G4int> fTODLList;
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G4std::vector<G4Transform3D> fTODLTransformList;
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// Stop-gap solution of structure re-use.
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// A proper implementation would use geometry hierarchy.
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G4std::map <const G4VSolid*, G4int, G4std::less <const G4VSolid*> > fSolidMap;
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};
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inline G4int G4OpenGLStoredSceneHandler::GetSceneCount () {
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return fSceneCount;
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}
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#endif
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#endif
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