174 lines
5.2 KiB
C++
174 lines
5.2 KiB
C++
/* -*-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_ANNO_ANNOTATION_NODE_H
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#define OSGEARTH_ANNO_ANNOTATION_NODE_H 1
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#include <osgEarth/Common>
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#include <osgEarth/Style>
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#include <osgEarth/DepthOffset>
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#include <osgEarth/MapNodeObserver>
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#include <osgEarth/Horizon>
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#define META_AnnotationNode(library,name) \
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META_Node(library,name)
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#define META_AnnotationNodeAbstract(library,name) \
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virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const name *>(obj)!=NULL; } \
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virtual const char* className() const { return #name; } \
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virtual const char* libraryName() const { return #library; } \
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virtual void accept(osg::NodeVisitor& nv) { if (nv.validNodeMask(*this)) { nv.pushOntoNodePath(this); nv.apply(*this); nv.popFromNodePath(); } }
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// forward decs
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namespace osgEarth
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{
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class MapNode;
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}
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namespace osgEarth
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{
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/**
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* Base class for all annotation node types.
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*/
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class OSGEARTH_EXPORT AnnotationNode :
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public osg::Group,
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public MapNodeObserver
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{
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public:
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META_AnnotationNode(osgEarth, AnnotationNode);
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/**
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* Sets the node to "dynamic", i.e. sets up the node so that you can
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* safely change it at runtime.
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*/
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virtual void setDynamic( bool value );
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/**
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* Serialized this annotation node so you can re-create it later
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*/
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virtual Config getConfig() const { return Config(); }
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public:
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const std::string& getName() const { return osg::Group::getName(); }
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/**
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* Priority of the item. A negative Priority means "never occlude me".
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*/
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virtual void setPriority( float value );
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float getPriority() const { return _priority; }
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/**
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* Enables or disable automatic horizon culling for geocentric maps
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*/
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void setHorizonCulling(bool value);
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bool getHorizonCulling() const;
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/**
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* Text associated with this annotation; might be the name, might be actual text
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*/
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virtual const std::string& getText() const { return this->getName(); }
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public: // MapNodeObserver
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virtual void setMapNode( MapNode* mapNode );
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MapNode* getMapNode() { return _mapNode.get(); }
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const MapNode* getMapNode() const { return _mapNode.get(); }
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public: // osg::Node
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void traverse(osg::NodeVisitor& nv);
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public: // Style functions
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virtual void setStyle(const Style& style) { }
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virtual const Style& getStyle() const;
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protected:
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bool _dynamic;
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bool _depthAdj;
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DepthOffsetAdapter _doAdapter;
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float _priority;
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/**
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* Apply general style information to the node
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*/
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virtual void applyStyle(const Style&);
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virtual void applyRenderSymbology(const Style&);
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/**
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* Whether to activate depth adjustment.
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* Note: you usually don't need to call this directly; it is automatically set
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* based on the symbology. But you can call it to override the automatic setting.
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*/
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virtual void setDepthAdjustment( bool value );
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/**
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* Sets a lighting default, which the user can override
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*/
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void setDefaultLighting( bool lighting );
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// hidden default ctor
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AnnotationNode();
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// hidden config ctor
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AnnotationNode(const Config& conf, const osgDB::Options* options);
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// hidden copy ctor
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AnnotationNode(const AnnotationNode& rhs, const osg::CopyOp& op=osg::CopyOp::DEEP_COPY_ALL)
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: osg::Group(rhs, op)
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, _dynamic(rhs._dynamic)
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, _depthAdj(rhs._depthAdj)
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, _priority(rhs._priority)
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, _mapNodeRequired(rhs._mapNodeRequired)
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, _altCallback(rhs._altCallback)
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{ }
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// override to prevent render-order symbology from taking effect.
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virtual bool supportsRenderBinDetails() const { return true; }
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protected:
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osg::ref_ptr<HorizonCullCallback> _horizonCuller;
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private:
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osg::observer_ptr<MapNode> _mapNode;
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bool _mapNodeRequired;
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osg::NodeCallback* _altCallback;
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void construct();
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public:
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virtual ~AnnotationNode();
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};
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}
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#endif // OSGEARTH_ANNO_ANNOTATION_NODE_H
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