/home/cube/sources/osgearth/src/osgEarthDrivers/mask_feature/FeatureMaskOptions

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/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2008-2010 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_DRIVER_FEATURE_MASK_OPTIONS
#define OSGEARTH_DRIVER_FEATURE_MASK_OPTIONS 1

#include <osgEarth/Common>
#include <osgEarth/MaskSource>
#include <osgEarthFeatures/FeatureSource>

namespace osgEarth { namespace Drivers
{
    using namespace osgEarth;
    using namespace osgEarth::Features;

    class FeatureMaskOptions : public MaskSourceOptions // NO EXPORT; header only
    {
    public:
        optional<FeatureSourceOptions>& featureOptions() { return _featureOptions; }
        const optional<FeatureSourceOptions>& featureOptions() const { return _featureOptions; }

        osg::ref_ptr<FeatureSource>& featureSource() { return _featureSource; }
        const osg::ref_ptr<FeatureSource>& featureSource() const { return _featureSource; }

    public:
        FeatureMaskOptions( const ConfigOptions& options =ConfigOptions() ) :
            MaskSourceOptions( options )
        {
            setDriver( "feature" );
            fromConfig( _conf );
        }

    public:
        Config getConfig() const {
            Config conf = MaskSourceOptions::getConfig();
            conf.updateObjIfSet( "features", _featureOptions );
            return conf;
        }

    protected:
        virtual void mergeConfig( const Config& conf ) {
            MaskSourceOptions::mergeConfig( conf );
            fromConfig( conf );
        }

    private:
        void fromConfig( const Config& conf ) {
            if ( conf.hasChild("features") )
                _featureOptions->merge( conf.child("features") );
        }
        
        optional<FeatureSourceOptions> _featureOptions;
        osg::ref_ptr<FeatureSource> _featureSource;
    };

} } // namespace osgEarth::Drivers

#endif // OSGEARTH_DRIVER_FEATURE_MASK_OPTIONS