122 lines
3.6 KiB
Plaintext
122 lines
3.6 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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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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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 OSGEARTH_ANNOTATION_LABEL_NODE_H
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#define OSGEARTH_ANNOTATION_LABEL_NODE_H 1
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#include <osgEarth/GeoPositionNode>
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#include <osgEarth/Style>
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#include <osgEarth/MapNode>
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#include <osgEarth/ScreenSpaceLayout>
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#include <osg/Geode>
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namespace osgEarth
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{
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/**
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* Text labeling node.
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*/
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class OSGEARTH_EXPORT LabelNode : public GeoPositionNode
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{
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public:
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META_AnnotationNode(osgEarth, LabelNode );
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//! Construct a new empty label node.
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LabelNode();
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//! Construct new node with text content and default styling.
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LabelNode(const std::string& text,
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const Style& style =Style());
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LabelNode(const GeoPoint& position,
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const std::string& text ="",
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const Style& style =Style());
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//! Deserialize a label node
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LabelNode(
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const Config& conf,
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const osgDB::Options* dbOptions );
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/**
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* Sets the text content.
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*/
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void setText( const std::string& text );
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const std::string& text() const { return _text; }
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const std::string& getText() const override { return text(); }
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/**
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* Gets a copy of the text style.
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*/
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const Style& getStyle() const { return _style; }
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/**
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* Sets a new text style
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*/
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void setStyle( const Style& style );
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public: // GeoPositionNode override
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virtual void setPriority(float value);
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virtual void setDynamic( bool value );
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virtual Config getConfig() const;
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virtual void dirty();
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protected: // AnnotationNode override
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virtual bool supportsRenderBinDetails() const { return false; }
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protected:
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virtual ~LabelNode() { }
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std::string _text;
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Style _style;
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osg::ref_ptr<osg::Geode> _geode;
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osg::ref_ptr<ScreenSpaceLayoutData> _dataLayout;
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/** rotation of the label **/
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float _labelRotationRad;
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bool _followFixedCourse;
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GeoPoint _geoPointLoc;
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GeoPoint _geoPointProj;
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/** Copy constructor */
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LabelNode(const LabelNode& rhs, const osg::CopyOp& op = osg::CopyOp::DEEP_COPY_ALL)
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: _labelRotationRad(rhs._labelRotationRad)
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, _followFixedCourse(rhs._followFixedCourse)
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{ }
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void updateLayoutData();
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private:
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static osg::observer_ptr<osg::StateSet> s_geodeStateSet;
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void construct();
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void compile();
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};
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}
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#endif // OSGEARTH_ANNOTATION_LABEL_NODE_H
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