G4OpenGLImmediateX.cc

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// $Id$
//
// 
// Andrew Walkden  27th March 1996
// OpenGL graphics system factory.
 
#ifdef G4VIS_BUILD_OPENGLX_DRIVER
 
#include "G4VisFeaturesOfOpenGL.hh"
#include "G4VSceneHandler.hh"
#include "G4OpenGLSceneHandler.hh"
#include "G4OpenGLViewer.hh"
#include "G4OpenGLImmediateX.hh"
#include "G4OpenGLImmediateXViewer.hh"
#include "G4OpenGLViewerMessenger.hh"
#include "G4OpenGLImmediateSceneHandler.hh"
G4OpenGLImmediateX::G4OpenGLImmediateX ():
  G4VGraphicsSystem ("OpenGLImmediateX",
             "OGLIX",
             G4VisFeaturesOfOpenGLIX (),
             G4VGraphicsSystem::threeD)
{
  G4OpenGLViewerMessenger::GetInstance();
}
 
G4OpenGLImmediateX::~G4OpenGLImmediateX () {}
 
G4VSceneHandler* G4OpenGLImmediateX::CreateSceneHandler (const G4String& name) {
  G4VSceneHandler* pScene = new G4OpenGLImmediateSceneHandler (*this, name);
  return    pScene;
}
 
G4VViewer* G4OpenGLImmediateX::CreateViewer (G4VSceneHandler& scene,
                     const G4String& name) {
  G4VViewer* pView =
    new G4OpenGLImmediateXViewer ((G4OpenGLImmediateSceneHandler&) scene, name);
  if (pView) {
    if (pView -> GetViewId () < 0) {
      G4cerr << "G4OpenGLImmediateX::CreateViewer: error flagged by negative"
    " view id in G4OpenGLImmediateXViewer creation."
    "\n Destroying view and returning null pointer."
       << G4endl;
      delete pView;
      pView = 0;
    }
  }
  else {
    G4cerr << "G4OpenGLImmediateX::CreateViewer: null pointer on"
      " new G4OpenGLImmediateXViewer." << G4endl;
  }
  return pView;
}
 
#endif