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130 lines
4.4 KiB
130 lines
4.4 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield |
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* |
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* This library is open source and may be redistributed and/or modified under |
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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* (at your option) any later version. The full license is in LICENSE file |
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* included with this distribution, and on the openscenegraph.org website. |
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* |
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* This library 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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* OpenSceneGraph Public License for more details. |
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*/ |
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#ifndef OSGVIEWER_Viewer |
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#define OSGVIEWER_Viewer 1 |
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#include <osg/ArgumentParser> |
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#include <osgGA/EventVisitor> |
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#include <osgUtil/UpdateVisitor> |
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#include <osgViewer/GraphicsWindow> |
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#include <osgViewer/View> |
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namespace osgViewer { |
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/** Viewer holds a single view on to a single scene.*/ |
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class OSGVIEWER_EXPORT Viewer : public ViewerBase, public osgViewer::View |
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{ |
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public: |
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Viewer(); |
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Viewer(osg::ArgumentParser& arguments); |
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Viewer(const osgViewer::Viewer& viewer, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY); |
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virtual ~Viewer(); |
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META_Object(osgViewer,Viewer); |
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/** Take all the settings, Camera and Slaves from the passed in view(er), leaving it empty. */ |
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virtual void take(osg::View& rhs); |
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/** Set the Stats object used for collect various frame related timing and scene graph stats.*/ |
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virtual void setViewerStats(osg::Stats* stats) { setStats(stats); } |
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/** Get the Viewers Stats object.*/ |
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virtual osg::Stats* getViewerStats() { return getStats(); } |
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/** Get the Viewers Stats object.*/ |
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virtual const osg::Stats* getViewerStats() const { return getStats(); } |
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/** read the viewer configuration from a configuration file.*/ |
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virtual bool readConfiguration(const std::string& filename); |
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/** Get whether at least of one of this viewers windows are realized.*/ |
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virtual bool isRealized() const; |
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/** set up windows and associated threads.*/ |
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virtual void realize(); |
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virtual void setStartTick(osg::Timer_t tick); |
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void setReferenceTime(double time=0.0); |
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/** Set the sene graph data that viewer with view.*/ |
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virtual void setSceneData(osg::Node* node); |
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/** Convenience method for setting up the viewer so it can be used embedded in an external managed window. |
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* Returns the GraphicsWindowEmbedded that can be used by applications to pass in events to the viewer. */ |
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virtual GraphicsWindowEmbedded* setUpViewerAsEmbeddedInWindow(int x, int y, int width, int height); |
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virtual double elapsedTime(); |
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virtual osg::FrameStamp* getViewerFrameStamp() { return getFrameStamp(); } |
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/** Execute a main frame loop. |
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* Equivalent to while (!viewer.done()) viewer.frame(); |
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* Also calls realize() if the viewer is not already realized, |
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* and installs trackball manipulator if one is not already assigned. |
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*/ |
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virtual int run(); |
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/** check to see if the new frame is required, called by run(..) when FrameScheme is set to ON_DEMAND.*/ |
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virtual bool checkNeedToDoFrame(); |
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virtual void advance(double simulationTime=USE_REFERENCE_TIME); |
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virtual void eventTraversal(); |
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virtual void updateTraversal(); |
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void setCameraWithFocus(osg::Camera* camera) { _cameraWithFocus = camera; } |
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osg::Camera* getCameraWithFocus() { return _cameraWithFocus.get(); } |
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const osg::Camera* getCameraWithFocus() const { return _cameraWithFocus.get(); } |
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virtual void getCameras(Cameras& cameras, bool onlyActive=true); |
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virtual void getContexts(Contexts& contexts, bool onlyValid=true); |
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virtual void getAllThreads(Threads& threads, bool onlyActive=true); |
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virtual void getOperationThreads(OperationThreads& threads, bool onlyActive=true); |
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virtual void getScenes(Scenes& scenes, bool onlyValid=true); |
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virtual void getViews(Views& views, bool onlyValid=true); |
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/** Get the keyboard and mouse usage of this viewer.*/ |
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virtual void getUsage(osg::ApplicationUsage& usage) const; |
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protected: |
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void constructorInit(); |
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virtual void viewerInit() { init(); } |
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osg::observer_ptr<osg::Camera> _cameraWithFocus; |
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}; |
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} |
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#endif
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