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// ********************************************************************
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//
// $Id: G4OpenGLStoredWin32.cc,v 1.14 2006/08/14 12:07:19 allison Exp $
// GEANT4 tag $Name: geant4-09-02-ref-02 $
//
// 
// OpenGLStoredWin32 graphics system factory.


#ifdef G4VIS_BUILD_OPENGLWIN32_DRIVER

#include "G4VisFeaturesOfOpenGL.hh"
#include "G4VSceneHandler.hh"
#include "G4OpenGLSceneHandler.hh"
#include "G4OpenGLViewer.hh"
#include "G4OpenGLStoredWin32.hh"
#include "G4OpenGLStoredWin32Viewer.hh"
#include "G4OpenGLViewerMessenger.hh"

G4OpenGLStoredWin32::G4OpenGLStoredWin32 ():
  G4VGraphicsSystem ("OpenGLStoredWin32",
		     "OGLSWin32",
		     G4VisFeaturesOfOpenGLSWin32 (),
		     G4VGraphicsSystem::threeD)
{
  G4OpenGLViewerMessenger::GetInstance();
}

G4VSceneHandler* G4OpenGLStoredWin32::CreateSceneHandler
(const G4String& name) {
  G4VSceneHandler* pScene = new G4OpenGLStoredSceneHandler (*this, name);
  return    pScene;
}

G4VViewer* G4OpenGLStoredWin32::CreateViewer
(G4VSceneHandler& scene, const G4String& name) {
  G4VViewer* pView =
    new G4OpenGLStoredWin32Viewer ((G4OpenGLStoredSceneHandler&) scene, name);
  if (pView) {
    if (pView -> GetViewId () < 0) {
      delete pView;
      pView = 0;
      G4cerr << "G4OpenGLStoredWin32::CreateViewer: error flagged by"
	" negative view id in G4OpenGLStoredWin32Viewer creation."
	"\n Destroying view and returning null pointer." << G4endl;
    }
  }
  else {
    G4cerr << "G4OpenGLStoredWin32::CreateViewer: null pointer on"
      " new G4OpenGLStoredWin32Viewer." << G4endl;
  }
  return pView;
}

#endif

