75 lines
2.7 KiB
Plaintext
75 lines
2.7 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_MODEL_RESOURCE_H
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#define OSGEARTHSYMBOLOGY_MODEL_RESOURCE_H 1
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#include <osgEarth/Common>
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#include <osgEarth/InstanceResource>
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#include <osgEarth/Status>
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namespace osgEarth { namespace Util
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{
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/**
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* A resource that materializes an InstanceSymbol, which is a single-point object
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* that resolves to an osg::Node. Instances are usually used for point-model
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* substitution.
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*/
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class OSGEARTH_EXPORT ModelResource : public InstanceResource
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{
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public:
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/** Constructs a new resource. */
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ModelResource( const Config& conf =Config() );
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/** dtor */
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virtual ~ModelResource() { }
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virtual bool is2D() const { return false; }
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const osg::BoundingBox& getBoundingBox(const osgDB::Options*);
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/** Whether this model instance honors "scale-to-fit" in the X and Y dimensions,
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* if applicable. Scale-to-fit is a hint to an implementation that may want to
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* automatically scale a model to fit a region, as to whether that should be allowed
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* (for example when the artist has designed the model for specific dimensions.) */
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optional<bool>& canScaleToFitXY() { return _canScaleToFitXY; }
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const optional<bool>& canScaleToFitXY() const { return _canScaleToFitXY; }
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optional<bool>& canScaleToFitZ() { return _canScaleToFitZ; }
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const optional<bool>& canScaleToFitZ() const { return _canScaleToFitZ; }
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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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osg::BoundingBox _bbox;
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optional<bool> _canScaleToFitXY;
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optional<bool> _canScaleToFitZ;
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};
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typedef std::vector<osg::ref_ptr<ModelResource> > ModelResourceVector;
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} }
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#endif // OSGEARTHSYMBOLOGY_MODEL_RESOURCE_H
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