/usr/include/osgEarthSymbology/ResourceLibrary is in libosgearth-dev 2.5.0+dfsg-2+b2.
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/* 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_RESOURCE_LIBRARY_H
#define OSGEARTHSYMBOLOGY_RESOURCE_LIBRARY_H 1
#include <osgEarthSymbology/Common>
#include <osgEarthSymbology/Skins>
#include <osgEarthSymbology/MarkerResource>
#include <osgEarthSymbology/InstanceResource>
#include <osgEarth/ThreadingUtils>
#include <osgEarth/Random>
#include <map>
namespace osgEarth { namespace Symbology
{
template<typename T> struct ResourceMap : public std::map<std::string, osg::ref_ptr<T> > { };
/**
* ResourceLibrary manages a collection of external resources that a
* build system can use the construct geometries.
*
* TODO: This class PROBABLY NEEDS the ability to share a mutex with
* whatever session is using it... like in osgGIS...
*/
class OSGEARTHSYMBOLOGY_EXPORT ResourceLibrary : public osg::Referenced
{
public:
/**
* Creates a new resource library with a source URI. The library
* will populate upon first use..
*/
ResourceLibrary(
const std::string& name,
const URI& uri);
/**
* Creates a new resource library from a config.
*/
ResourceLibrary( const Config& conf );
/** dtor */
virtual ~ResourceLibrary() { }
/**
* Gets the name of the lib.
*/
const std::string& getName() const { return _name; }
/**
* Adds a resoure to the library.
*/
void addResource( Resource* resource );
/**
* Removes a resource from the library.
*/
void removeResource( Resource* resource );
public: // Skin resource functions
/**
* Finds and returns a Skin resource by name.
*/
SkinResource* getSkin( const std::string& name, const osgDB::Options* dbOptions =0L ) const;
/**
* Returns a list of all Skin resources.
*/
void getSkins( SkinResourceVector& output, const osgDB::Options* dbOptions =0L ) const;
/**
* Returns a list of all Skin resources that match the criteria specified
* in the symbol.
*/
void getSkins( const SkinSymbol* symbol, SkinResourceVector& output, const osgDB::Options* dbOptions =0L ) const;
/**
* Returns a skin that matches the criteria specified in the symbol. The method
* will randomly select a suitable skin if there are more than one match. If the
* symbol contains a random seed, it will use that to seed the selection in order
* to provide consistency.
*/
SkinResource* getSkin( const SkinSymbol* symbol, Random& prng, const osgDB::Options* dbOptions =0L ) const;
public: // Marker resource functions (deprecated)
/**
* Finds and returns a marker reosurce by name.
*/
MarkerResource* getMarker( const std::string& name, const osgDB::Options* dbOptions =0L ) const;
/**
* Returns a list of all marker resources in this library.
*/
void getMarkers( MarkerResourceVector& output, const osgDB::Options* dbOptions =0L ) const;
public: // Instance functions
/**
* Finds an instance-resource by name.
*/
InstanceResource* getInstance( const std::string& name, const osgDB::Options* dbOptions =0L ) const;
public: // serialization functions
void mergeConfig( const Config& conf );
Config getConfig() const;
protected:
typedef std::map< const Symbol*, Random > RandomMap;
optional<URI> _uri;
std::string _name;
bool _initialized;
mutable Threading::ReadWriteMutex _mutex;
ResourceMap<SkinResource> _skins;
ResourceMap<MarkerResource> _markers;
ResourceMap<InstanceResource> _instances;
bool matches( const SkinSymbol* symbol, SkinResource* skin ) const;
void initialize( const osgDB::Options* options );
};
typedef std::map< std::string, osg::ref_ptr<ResourceLibrary> > ResourceLibraryMap;
} } // namespace osgEarth::Symbology
#endif // OSGEARTHSYMBOLOGY_RESOURCE_LIBRARY_H
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