/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
 *
 * This library is open source and may be redistributed and/or modified under
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * This library 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
 * OpenSceneGraph Public License for more details.
*/

#ifndef OSGVIEWER_StandardStereo
#define OSGVIEWER_StandardStereo 1

#include <osgViewer/View>

/** spherical display using 6 slave cameras rendering the 6 sides of a cube map, and 7th camera doing distortion correction to present on a spherical display.*/
class StandardStereo : public osgViewer::ViewConfig
{
    public:
        
        StandardStereo(unsigned int screenNum=0):
            _screenNum(screenNum) {}
            
        StandardStereo(const StandardStereo& rhs, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY):
            ViewConfig(rhs,copyop),
            _screenNum(rhs._screenNum) {}
        
        META_Object(osgViewer,StandardStereo);
        
        virtual void configure(osgViewer::View& view) const;
        
        void setScreenNum(unsigned int n) { _screenNum = n; }
        unsigned int getScreenNum() const { return _screenNum; }
        
    protected:
        
        osg::ref_ptr<osg::Node> createStereoMesh(const osg::Vec3& origin, const osg::Vec3& widthVector, const osg::Vec3& heightVector) const;

        unsigned int _screenNum;
};

#endif