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/* -*-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 OSGEARTHSYMBOLOGY_LINE_SYMBOL_H
#define OSGEARTHSYMBOLOGY_LINE_SYMBOL_H 1

#include <osgEarthSymbology/Symbol>
#include <osgEarthSymbology/Stroke>

namespace osgEarth { namespace Symbology
{
    /** 
     * Symbol that describes how to draw linear geometry.
     */
    class OSGEARTHSYMBOLOGY_EXPORT LineSymbol : public Symbol
    {
    public:
        META_Symbol(LineSymbol);

        LineSymbol(const Config& conf =Config());

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

        /** Line stroking parameters */
        optional<Stroke>& stroke() { return _stroke; }
        const optional<Stroke>& stroke() const { return _stroke; }

        /** Whether to tessellate line geometry (# of subdivision per segment) */
        optional<unsigned>& tessellation() { return _tessellation; }
        const optional<unsigned>& tessellation() const { return _tessellation; }

    public:
        virtual Config getConfig() const;
        virtual void mergeConfig( const Config& conf );
        static void parseSLD(const Config& c, class Style& style);

    protected:
        optional<Stroke>   _stroke;
        optional<unsigned> _tessellation;
    };

} } // namespace osgEarth::Symbology

#endif // OSGEARTHSYMBOLOGY_LINE_SYMBOL_H