/* -*-c++-*- */
/* osgEarth - Geospatial SDK for OpenSceneGraph
 * Copyright 2020 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 OSGEARTHSYMBOLOGY_ICON_RESOURCE_H
#define OSGEARTHSYMBOLOGY_ICON_RESOURCE_H 1

#include <osgEarth/Common>
#include <osgEarth/InstanceResource>
#include <osgEarth/URI>

namespace osgEarth { namespace Util
{
    using namespace osgEarth;

    /**
     * A resource that materializes an InstanceSymbol, which is a single-point object
     * that resolves to an osg::Node. Instances are usually used for point-model
     * substitution.
     */
    class OSGEARTH_EXPORT IconResource : public InstanceResource
    {
    public:
        /** Constructs a new resource. */
        IconResource( const Config& conf =Config() );

        /** dtor */
        virtual ~IconResource() { }

        virtual bool is2D() const { return true; }

    public: // serialization methods

        virtual Config getConfig() const;
        void mergeConfig( const Config& conf );

    protected: // InstanceResource

        virtual osg::Node* createNodeFromURI( const URI& uri, const osgDB::Options* dbOptions ) const;
    };
} }

#endif // OSGEARTHSYMBOLOGY_ICON_RESOURCE_H