/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkLightCollection.cxx,v $
  Language:  C++
  Date:      $Date: 2002/08/22 18:39:30 $
  Version:   $Revision: 1.14 $

  Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#include "vtkLightCollection.h"

#include "vtkObjectFactory.h"
#include "vtkLight.h"

#include <math.h>

vtkCxxRevisionMacro(vtkLightCollection, "$Revision: 1.14 $");
vtkStandardNewMacro(vtkLightCollection);

// Add a light to the list.
void vtkLightCollection::AddItem(vtkLight *a) 
{
  this->vtkCollection::AddItem((vtkObject *)a);
}

// Get the next light in the list. NULL is returned when the collection is 
// exhausted.
vtkLight *vtkLightCollection::GetNextItem() 
{ 
  return static_cast<vtkLight *>(this->GetNextItemAsObject());
}

//----------------------------------------------------------------------------
void vtkLightCollection::PrintSelf(ostream& os, vtkIndent indent)
{
  this->Superclass::PrintSelf(os,indent);
}
