projection.h

/* Copyright (c) 2006-2010, Stefan Eilemann <eile@equalizergraphics.com> 
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *  
 * 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 GNU Lesser General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef EQFABRIC_PROJECTION_H
#define EQFABRIC_PROJECTION_H

#include <eq/fabric/types.h>
#include <eq/fabric/api.h>
  
#include <iostream>

namespace eq
{
namespace fabric
{
    class Wall;

    class Projection
    {
    public:
        EQFABRIC_API Projection();

        EQFABRIC_API void resizeHorizontal( const float ratio );

        EQFABRIC_API void resizeVertical( const float ratio );

        EQFABRIC_API Projection& operator = ( const Wall& wall );

        EQFABRIC_API bool operator == ( const Projection& rhs ) const;

        EQFABRIC_API bool operator != ( const Projection& rhs ) const;
        
        Vector3f origin;   
        float    distance; 
        Vector2f fov;      
        Vector3f hpr;      
    };

    EQFABRIC_API std::ostream& operator << ( std::ostream& os, const Projection& );
}
}
namespace lunchbox
{
template<> inline void byteswap( eq::fabric::Projection& value )
{
    byteswap( value.origin );
    byteswap( value.distance );
    byteswap( value.fov );
    byteswap( value.hpr );
}
}
#endif // EQFABRIC_PROJECTION_H