/*
 *	osgART/VideoBackground
 *	osgART: AR ToolKit for OpenSceneGraph
 *
 *	Copyright (c) 2005-2007 ARToolworks, Inc. All rights reserved.
 *	
 *	Rev		Date		Who		Changes
 *  1.0   	2006-12-08  ---     Version 1.0 release.
 *
 */
/*
 * This file is part of osgART - AR Toolkit for OpenSceneGraph
 *
 * Copyright (c) 2005-2007 ARToolworks, Inc. All rights reserved.
 *
 * (See the AUTHORS file in the root of this distribution.)
 *
 *
 * OSGART is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * OSGART is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OSGART; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 *
 */


/**
 *  \file  VideoBackground
 *  \brief Defined a Video Background Node usable for AR.
 *
 * 
 * Defined an OpenSceneGraph geode for creating a VideoBackground Object.
 * This class derived from VideoLayer, just created for commodity aspect.
 *	
 *   \remark the layer value is fixed to a RenderBin of 0.
 *           the background is never transparent.
 *
 *   History :
 *
 *  \author Julian Looser Julian.Looser@hitlabnz.org
 *  \author Raphael Grasset Raphael.Grasset@hitlabnz.org
 *  \version 3.1
 *  \date 01/12/07
 **/


#ifndef OSGART_VIDEOBACKGROUND
#define OSGART_VIDEOBACKGROUND


//local include
#include "osgART/Export"
#include "osgART/VideoLayer"

namespace osgART {

	/**
	 * VideoBackground for video based AR applications. This node
	 * can be used to render video as a background image.
	 */
	class OSGART_EXPORT VideoBackground : public VideoLayer
	{
	public:        
	   
		/** 
		 * Default constructor. 
		 * \param video pointer to a video stream
		 */    
		VideoBackground(GenericVideo* video);	

	protected:		
		
		/**
		 * Destructor.
		 */
		virtual ~VideoBackground();

		
	};
};

#endif