G4OpenGLImmediateXm.cc

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// $Id$
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// 
// Andrew Walkden  10th February 1997
// OpenGL graphics system factory.

#ifdef G4VIS_BUILD_OPENGLXM_DRIVER

#include "G4VisFeaturesOfOpenGL.hh"
#include "G4VSceneHandler.hh"
#include "G4OpenGLSceneHandler.hh"
#include "G4OpenGLViewer.hh"
#include "G4OpenGLImmediateXm.hh"
#include "G4OpenGLImmediateXmViewer.hh"
#include "G4OpenGLViewerMessenger.hh"
#include "G4OpenGLXmViewerMessenger.hh"
#include "G4OpenGLImmediateSceneHandler.hh"

G4OpenGLImmediateXm::G4OpenGLImmediateXm ():
  G4VGraphicsSystem ("OpenGLImmediateXm",
                     "OGLIXm",
                     G4VisFeaturesOfOpenGLIXm (),
                     G4VGraphicsSystem::threeD)
{
  G4OpenGLViewerMessenger::GetInstance();
  G4OpenGLXmViewerMessenger::GetInstance();
}

G4OpenGLImmediateXm::~G4OpenGLImmediateXm () {}

G4VSceneHandler* G4OpenGLImmediateXm::CreateSceneHandler (const G4String& name) {
  G4VSceneHandler* pScene = new G4OpenGLImmediateSceneHandler (*this, name);
  return    pScene;
}

G4VViewer* G4OpenGLImmediateXm::CreateViewer (G4VSceneHandler& scene,
                                          const G4String& name) {
  G4VViewer* pView =
    new G4OpenGLImmediateXmViewer ((G4OpenGLImmediateSceneHandler&) scene, name);
  if (pView) {
    if (pView -> GetViewId () < 0) {
      G4cerr << "G4OpenGLImmediateXm::CreateViewer: error flagged by"
        " negative view id in G4OpenGLImmediateXmViewer creation."
        "\n Destroying view and returning null pointer." << G4endl;
      delete pView;
      pView = 0;
    }
  }
  else {
    G4cerr << "G4OpenGLImmediateXm::CreateViewer: null pointer on"
      " new G4OpenGLImmediateXmViewer." << G4endl;
  }
  return pView;
}

#endif

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