/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2008-2009 Pelican Ventures, Inc.
 * http://osgearth.org
 *
 * osgEarth is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 program.  If not, see <http://www.gnu.org/licenses/>
 */

#ifndef OSGEARTHSYMBOLOGY_SYMBOL_DISPLAY_FUNCTOR_H
#define OSGEARTHSYMBOLOGY_SYMBOL_DISPLAY_FUNCTOR_H 1

#include <osgEarthSymbology/Common>
#include <osgEarthSymbology/Symbol>
#include <osg/Referenced>

namespace osgEarth { namespace Symbology
{

    /**
     * Interface for an object that Display a symbol
     */
    class OSGEARTHSYMBOLOGY_EXPORT SymbolDisplayFunctor : public osg::Object
    {
    public:
        META_Object(osgEarthSymbology,SymbolDisplayFunctor);

        SymbolDisplayFunctor(const SymbolDisplayFunctor&, const osg::CopyOp&) {}
        SymbolDisplayFunctor() {}

        virtual osg::Node* apply(const Symbol& ) { return 0;}

    };

} } // namespace osgEarth::Symbology

#endif
