/home/cube/sources/osgearth/src/osgEarthSymbology/Registry.cpp

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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/>
 */
#include <osgEarthSymbology/Registry>
#include <osgEarthSymbology/SymbolDisplayFunctor>

using namespace osgEarth::Symbology;

Registry::Registry()
{
}

Registry* Registry::instance(bool erase)
{
    static osg::ref_ptr<Registry> s_registry = new Registry;
    if (erase)
    {
        s_registry = 0;
    }
    return s_registry.get(); // will return NULL on erase
}

SymbolDisplayFunctor* 
Registry::getOrCreateDisplay(const std::string& symbol)
{
    if (_symbols.find(symbol) == _symbols.end()) {
        _symbols[symbol] = new SymbolDisplayFunctor;
    }
    return _symbols[symbol].get();
}