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//
// $Id: G4XXX.cc,v 1.6 2006/06/29 21:27:22 gunter Exp $
// GEANT4 tag $Name: geant4-09-04-ref-00 $
//
// 
// John Allison  5th April 2001
// A template for a simplest possible graphics driver.
//?? Lines or sections marked like this require specialisation for your driver.

#include "G4XXX.hh"
#include "G4XXXSceneHandler.hh"
#include "G4XXXViewer.hh"

G4XXX::G4XXX():
  G4VGraphicsSystem("G4XXX",
		    "XXX",
		    "Simplest possible graphics driver",
		    G4VGraphicsSystem::noFunctionality  //?? Your functionality
		    )
{}

G4XXX::~G4XXX() {}

G4VSceneHandler* G4XXX::CreateSceneHandler(const G4String& name) {
  G4VSceneHandler* pScene = new G4XXXSceneHandler(*this, name);
  return pScene;
}

G4VViewer* G4XXX::CreateViewer(G4VSceneHandler& scene,
			       const G4String& name) {
  G4VViewer* pView =
    new G4XXXViewer((G4XXXSceneHandler&) scene, name);
  if (pView) {
    if (pView->GetViewId() < 0) {
      G4cout <<
	"G4XXX::CreateViewer: ERROR flagged by negative"
        " view id in G4XXXViewer creation."
        "\n Destroying view and returning null pointer."
	     << G4endl;
      delete pView;
      pView = 0;
    }
  }
  else {
    G4cout <<
      "G4XXX::CreateViewer: ERROR: null pointer on new G4XXXViewer."
	   << G4endl;
  }
  return pView;
}
