#ifndef __CPM__VTK__THREADEDDEFORMATIONOBSERVER__HXX__
#define __CPM__VTK__THREADEDDEFORMATIONOBSERVER__HXX__

#include <vtksys/SystemTools.hxx>

// -------------------------------------------------------------------------
template< class F >
void cpm::VTK::ThreadedDeformationObserver< F >::
Configure( vtkRenderWindow* w )
{
  this->m_Window = w;
  this->Modified( );
}

// -------------------------------------------------------------------------
template< class F >
void cpm::VTK::ThreadedDeformationObserver< F >::
Execute( itk::Object* caller, const itk::EventObject& evt )
{
  this->Execute( const_cast< const itk::Object* >( caller ), evt );
}

// -------------------------------------------------------------------------
template< class F >
void cpm::VTK::ThreadedDeformationObserver< F >::
Execute( const itk::Object* caller, const itk::EventObject& evt )
{
  typedef typename F::AllMeshUpdatedEvent _TAllMeshEvt;

  if( this->m_Window == NULL )
    return;

  const _TAllMeshEvt* mevt = dynamic_cast< const _TAllMeshEvt* >( &evt );
  if( mevt != NULL )
  {
    this->m_MutexLock->Lock( );
    this->m_Window->MakeCurrent( );
    this->m_Window->Render( );
#ifdef CPM_VTK_THREADEDDEFORMATION_ON_LINUX
    glXMakeCurrent(
      ( Display* )( this->m_Window->GetGenericDisplayId( ) ), None, NULL
      );
#else
    wglMakeCurrent(
      ( HDC__* )( this->m_Window->GetGenericDisplayId( ) ), NULL
      );
#endif
    this->m_MutexLock->Unlock( );
    vtksys::SystemTools::Delay( 1 );

  } // fi
}

// -------------------------------------------------------------------------
template< class F >
cpm::VTK::ThreadedDeformationObserver< F >::
ThreadedDeformationObserver( )
  : Superclass( ),
    m_Window( NULL )
{
  this->m_MutexLock = vtkSmartPointer< vtkMutexLock >::New( );
}

// -------------------------------------------------------------------------
template< class F >
cpm::VTK::ThreadedDeformationObserver< F >::
~ThreadedDeformationObserver( )
{
}

#endif // __CPM__VTK__THREADEDDEFORMATIONOBSERVER__HXX__

// eof - $RCSfile$