/usr/include/osgEarth/MaskLayer is in libosgearth-dev 2.7.0+dfsg-2+b3.
This file is owned by root:root, with mode 0o644.
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/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2015 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 OSGEARTH_MASK_LAYER_H
#define OSGEARTH_MASK_LAYER_H 1
#include <osgEarth/Common>
#include <osgEarth/Layer>
#include <osgEarth/Config>
#include <osgEarth/MaskSource>
#include <osg/Node>
namespace osgEarth
{
class Map;
/**
* Configuration options for a MaskLayer.
*/
class OSGEARTH_EXPORT MaskLayerOptions : public ConfigOptions
{
public:
MaskLayerOptions(const ConfigOptions& options =ConfigOptions() );
MaskLayerOptions(const std::string& name, const MaskSourceOptions& driverOptions =MaskSourceOptions() );
/** dtor */
virtual ~MaskLayerOptions() { }
/**
* The readable name of the layer.
*/
optional<std::string>& name() { return _name; }
const optional<std::string>& name() const { return _name; }
/**
* Options for the underlying model source driver.
*/
optional<MaskSourceOptions>& driver() { return _driver; }
const optional<MaskSourceOptions>& driver() const { return _driver; }
/**
* Gets or sets the minimum of detail for which this layer should generate data.
*/
optional<unsigned>& minLevel() { return _minLevel; }
const optional<unsigned>& minLevel() const { return _minLevel; }
public:
virtual Config getConfig() const;
virtual void mergeConfig( const Config& conf );
private:
void fromConfig( const Config& conf );
void setDefaults();
optional<std::string> _name;
optional<MaskSourceOptions> _driver;
optional<unsigned> _minLevel;
};
/**
* A MaskLayer is a specialized layer used to mask out a part of the terrain.
* Typically you would use this if you had a pre-built 3D terrain model for
* an inset area.
*/
class OSGEARTH_EXPORT MaskLayer : public Layer
{
public:
/**
* Constructs a new mask layer based on a configuration setup.
*/
MaskLayer( const MaskLayerOptions& options =MaskLayerOptions() );
/**
* Constructs a new mask layer with a user-provided driver options.
*/
MaskLayer( const std::string& name, const MaskSourceOptions& options );
/**
* Constructs a new mask layer with a user-provided mask source.
*/
MaskLayer(const MaskLayerOptions& options, MaskSource* source );
/** dtor */
virtual ~MaskLayer() { }
/**
* Access the underlying mask source.
*/
MaskSource* getMaskSource() const { return _maskSource.get(); }
/**
* Gets the name of this mask layer
*/
const std::string& getName() const { return *_runtimeOptions.name(); }
/**
* Minimum terrain LOD at which masking should occur
*/
unsigned getMinLevel() const { return *_runtimeOptions.minLevel(); }
/**
* Gets the geometric boundary polygon representing the area of the
* terrain to mask out.
*/
osg::Vec3dArray* getOrCreateMaskBoundary(
float heightScale,
const SpatialReference* srs,
ProgressCallback* progress );
public:
void initialize( const osgDB::Options* dbOptions, const Map* map );
private:
MaskLayerOptions _initOptions;
MaskLayerOptions _runtimeOptions;
osg::ref_ptr<MaskSource> _maskSource;
Revision _maskSourceRev;
osg::ref_ptr<osg::Vec3dArray> _boundary;
osg::ref_ptr<osgDB::Options> _dbOptions;
OpenThreads::Mutex _mutex;
void copyOptions();
};
typedef std::vector< osg::ref_ptr<MaskLayer> > MaskLayerVector;
}
#endif // OSGEARTH_MASK_LAYER_H
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