osgEarth 2.1.1

/home/cube/sources/osgearth/src/osgEarth/MaskSource

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00001 /* -*-c++-*- */
00002 /* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
00003  * Copyright 2008-2010 Pelican Mapping
00004  * http://osgearth.org
00005  *
00006  * osgEarth is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU Lesser General Public License as published by
00008  * the Free Software Foundation; either version 2 of the License, or
00009  * (at your option) any later version.
00010  *
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public License
00017  * along with this program.  If not, see <http://www.gnu.org/licenses/>
00018  */
00019 
00020 #ifndef OSGEARTH_MASK_SOURCE_H
00021 #define OSGEARTH_MASK_SOURCE_H 1
00022 
00023 #include <osgEarth/Common>
00024 #include <osgEarth/Config>
00025 #include <osgEarth/Progress>
00026 #include <osgEarth/Revisioning>
00027 #include <osgEarth/SpatialReference>
00028 #include <osg/Referenced>
00029 
00030 namespace osgEarth
00031 {   
00032     class Map;
00033     
00037     class OSGEARTH_EXPORT MaskSourceOptions : public DriverConfigOptions
00038     {
00039     public:
00040         MaskSourceOptions( const ConfigOptions& options =ConfigOptions() ) :
00041               DriverConfigOptions( options ) { fromConfig(_conf); }
00042 
00043     public: // properties
00044 
00045     public:
00046         virtual Config getConfig() const;
00047 
00048     protected:
00049         virtual void mergeConfig( const Config& conf );
00050         
00051     private:
00052         void fromConfig( const Config& conf );
00053     };
00054 
00058     class OSGEARTH_EXPORT MaskSource : public virtual Revisioned<osg::Object>
00059     {
00060     public:        
00061         MaskSource( const MaskSourceOptions& options =MaskSourceOptions() );
00062 
00066         virtual osg::Vec3dArray* createBoundary( const SpatialReference* srs, ProgressCallback* progress =0L ) =0;
00067 
00068     public:
00069                 virtual void initialize( const std::string& referenceURI, const Map* map ) { }
00070 
00071         const MaskSourceOptions& getOptions() const { return _options; }
00072     public: 
00073 
00074         // META_Object specialization:
00075         virtual osg::Object* cloneType() const { return 0; } // cloneType() not appropriate
00076         virtual osg::Object* clone(const osg::CopyOp&) const { return 0; } // clone() not appropriate
00077         virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const MaskSource*>(obj)!=NULL; }
00078         virtual const char* className() const { return "MaskSource"; }
00079         virtual const char* libraryName() const { return "osgEarth"; }
00080 
00081     private:
00082         const MaskSourceOptions _options;
00083 
00084         friend class Map;
00085         friend class MaskSourceFactory;
00086     };
00087 
00088     //--------------------------------------------------------------------
00089 
00090     class OSGEARTH_EXPORT MaskSourceDriver : public osgDB::ReaderWriter
00091     {
00092     protected:
00093         const MaskSourceOptions& getMaskSourceOptions( const osgDB::ReaderWriter::Options* rwOpt ) const;
00094     };
00095 
00096     //--------------------------------------------------------------------
00097 
00098     class OSGEARTH_EXPORT MaskSourceFactory
00099     {   
00100         public:
00101         static MaskSource* create( const MaskSourceOptions& options );
00102     };
00103 }
00104 
00105 #endif // OSGEARTH_MASK_SOURCE_H
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