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/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2016 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 OSGEARTHFEATURES_TEXT_SYMBOLIZER_H
#define OSGEARTHFEATURES_TEXT_SYMBOLIZER_H 1

#include <osgEarthFeatures/Common>
#include <osgEarthFeatures/Feature>
#include <osgEarthFeatures/FilterContext>
#include <osgEarthSymbology/TextSymbol>

#include <osgText/Text>

namespace osgEarth { namespace Features
{
    using namespace osgEarth::Symbology;

    /**
     * Utilities that use a TextSymbol to create OSG text objects.
     */
    class OSGEARTHFEATURES_EXPORT TextSymbolizer
    {
    public:
        TextSymbolizer( const TextSymbol* symbol );

        virtual ~TextSymbolizer() { }

        /**
         * Creates a drawable for the specified string.
         */
        osgText::Text* create(
            Feature*             feature =0L,
            const FilterContext* context =0L,
            const std::string&   text    ="" ) const;

        osgText::Text* create( const std::string& text ) const {
            return create(0L, 0L, text);
        }

    protected:
        osg::ref_ptr<const TextSymbol> _symbol;
    };

} } // namespace osgEarth::Features

#endif // OSGEARTHFEATURES_TEXT_SYMBOLIZER_H