osgEarth 2.1.1

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

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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 #include <osgEarth/MaskSource>
00020 #include <osg/Notify>
00021 #include <osgDB/ReadFile>
00022 
00023 using namespace osgEarth;
00024 using namespace OpenThreads;
00025 
00026 /****************************************************************/
00027 
00028 void
00029 MaskSourceOptions::fromConfig( const Config& conf )
00030 {
00031     //nop
00032 }
00033 
00034 void
00035 MaskSourceOptions::mergeConfig( const Config& conf )
00036 {
00037     DriverConfigOptions::mergeConfig( conf );
00038     fromConfig( conf );
00039 }
00040 
00041 Config
00042 MaskSourceOptions::getConfig() const
00043 {
00044     Config conf = DriverConfigOptions::getConfig();
00045     return conf;
00046 }
00047 
00048 //------------------------------------------------------------------------
00049 
00050 MaskSource::MaskSource( const MaskSourceOptions& options ) :
00051 _options( options )
00052 {
00053     //TODO: is this really necessary?
00054     this->setThreadSafeRefUnref( true );
00055 }
00056 
00057 //------------------------------------------------------------------------
00058 
00059 #undef  LC
00060 #define LC "[MaskSourceFactory] "
00061 #define MASK_SOURCE_OPTIONS_TAG "__osgEarth::MaskSourceOptions"
00062 
00063 MaskSource*
00064 MaskSourceFactory::create( const MaskSourceOptions& options )
00065 {
00066     MaskSource* source = 0L;
00067 
00068     if ( !options.getDriver().empty() )
00069     {
00070         std::string driverExt = std::string(".osgearth_mask_") + options.getDriver();
00071 
00072         osg::ref_ptr<osgDB::ReaderWriter::Options> rwopts = new osgDB::ReaderWriter::Options();
00073         rwopts->setPluginData( MASK_SOURCE_OPTIONS_TAG, (void*)&options );
00074 
00075         source = dynamic_cast<MaskSource*>( osgDB::readObjectFile( driverExt, rwopts.get() ) );
00076         if ( source )
00077         {
00078             OE_INFO << "Loaded MaskSource driver \"" << options.getDriver() << "\" OK" << std::endl;
00079         }
00080         else
00081         {
00082             OE_WARN << "FAIL, unable to load MaskSource driver for \"" << options.getDriver() << "\"" << std::endl;
00083         }
00084     }
00085     else
00086     {
00087         OE_WARN << LC << "FAIL, illegal null driver specification" << std::endl;
00088     }
00089 
00090     return source;
00091 }
00092 
00093 //------------------------------------------------------------------------
00094 
00095 const MaskSourceOptions&
00096 MaskSourceDriver::getMaskSourceOptions( const osgDB::ReaderWriter::Options* options ) const
00097 {
00098     return *static_cast<const MaskSourceOptions*>( options->getPluginData( MASK_SOURCE_OPTIONS_TAG ) );
00099 }
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