71 lines
2.2 KiB
Plaintext
71 lines
2.2 KiB
Plaintext
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/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef OSGEARTHSYMBOLOGY_BILLBOARD_RESOURCE_H
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#define OSGEARTHSYMBOLOGY_BILLBOARD_RESOURCE_H 1
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#include <osgEarth/Common>
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#include <osgEarth/InstanceResource>
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namespace osgEarth { namespace Util
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{
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using namespace osgEarth;
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/**
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* A resource that represents a real-world-sized image that can be used as
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* a billboard (camera-facing 2D object)
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*/
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class OSGEARTH_EXPORT BillboardResource : public InstanceResource
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{
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public:
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/** Constructs a new resource. */
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BillboardResource( const Config& conf =Config() );
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/** dtor */
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virtual ~BillboardResource() { }
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bool is2D() const { return false; }
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public: // properties
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/** Width of the billboard image in meters */
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optional<float>& width() { return _width; }
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const optional<float>& width() const { return _width; }
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/** Height of the billboard image in meters */
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optional<float>& height() { return _height; }
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const optional<float>& height() const { return _height; }
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public: // serialization methods
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virtual Config getConfig() const;
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void mergeConfig( const Config& conf );
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protected: // InstanceResource
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virtual osg::Node* createNodeFromURI(const URI& uri, const osgDB::Options* dbOptions) const;
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optional<float> _width;
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optional<float> _height;
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};
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} }
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#endif // OSGEARTHSYMBOLOGY_BILLBOARD_RESOURCE_H
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