/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2008-2013 Pelican Mapping
* 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 OSGEARTH_ANNOTATION_HIGHLIGHT_DECORATION_H
#define OSGEARTH_ANNOTATION_HIGHLIGHT_DECORATION_H 1

#include <osgEarthAnnotation/Decoration>

namespace osgEarth { namespace Annotation
{	
    using namespace osgEarth;

    /**
     * Decoration technique that highlights the geometry
     */
    class OSGEARTHANNO_EXPORT HighlightDecoration : public InjectionDecoration
    {
    public:
        HighlightDecoration(const osg::Vec4f& color =osg::Vec4f(1,1,0,0.5));

        virtual ~HighlightDecoration() { }

        virtual Decoration* clone() const { return new HighlightDecoration(_color); }
        
        virtual bool apply(class OrthoNode& node, bool enable);

    protected:
        virtual bool apply(osg::Group* attachPoint, bool enable);

        osg::Vec4f _color;
        osg::ref_ptr<osg::StateSet> _passes[2];
    };

} } // namespace osgEarth::Annotation

#endif //OSGEARTH_ANNOTATION_HIGHLIGHT_DECORATION_H
