OpenSceneGraph/include/osgViewer/CompositeViewer

136 lines
4.6 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGVIEWER_CompositeViewer
#define OSGVIEWER_CompositeViewer 1
#include <osg/ArgumentParser>
#include <osgUtil/UpdateVisitor>
#include <osgViewer/GraphicsWindow>
#include <osgViewer/View>
namespace osgViewer {
/** CompsiteViewer holds a or more views to a one more scenes.*/
class OSGVIEWER_EXPORT CompositeViewer : public ViewerBase, public virtual osg::Object
{
public:
CompositeViewer();
CompositeViewer(const CompositeViewer&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
CompositeViewer(osg::ArgumentParser& arguments);
META_Object(osgViewer,CompositeViewer);
virtual ~CompositeViewer();
/** read the viewer configuration from a configuration file.*/
bool readConfiguration(const std::string& filename);
void addView(osgViewer::View* view);
void removeView(osgViewer::View* view);
osgViewer::View* getView(unsigned i) { return _views[i].get(); }
const osgViewer::View* getView(unsigned i) const { return _views[i].get(); }
unsigned int getNumViews() const { return _views.size(); }
/** Get whether at least of one of this viewers windows are realized.*/
virtual bool isRealized() const;
/** set up windows and associated threads.*/
virtual void realize();
virtual void setStartTick(osg::Timer_t tick);
void setReferenceTime(double time=0.0);
osg::FrameStamp* getFrameStamp() { return _frameStamp.get(); }
const osg::FrameStamp* getFrameStamp() const { return _frameStamp.get(); }
virtual double elapsedTime();
virtual osg::FrameStamp* getViewerFrameStamp() { return getFrameStamp(); }
void setEventQueue(osgGA::EventQueue* eventQueue) { _eventQueue = eventQueue; }
osgGA::EventQueue* getEventQueue() { return _eventQueue.get(); }
const osgGA::EventQueue* getEventQueue() const { return _eventQueue.get(); }
/** Execute a main frame loop.
* Equivalent to while (!viewer.done()) viewer.frame();
* Also calls realize() if the viewer is not already realized,
* and installs trackball manipulator if one is not already assigned.
*/
virtual int run();
virtual void advance(double simulationTime=USE_REFERENCE_TIME);
virtual void eventTraversal();
virtual void updateTraversal();
void setCameraWithFocus(osg::Camera* camera);
osg::Camera* getCameraWithFocus() { return _cameraWithFocus.get(); }
const osg::Camera* getCameraWithFocus() const { return _cameraWithFocus.get(); }
osgViewer::View* getViewWithFocus() { return _viewWithFocus.get(); }
const osgViewer::View* getViewWithFocus() const { return _viewWithFocus.get(); }
virtual void getCameras(Cameras& cameras, bool onlyActive=true);
virtual void getContexts(Contexts& contexts, bool onlyValid=true);
virtual void getWindows(Windows& windows, bool onlyValid=true);
virtual void getAllThreads(Threads& threads, bool onlyActive=true);
virtual void getOperationThreads(OperationThreads& threads, bool onlyActive=true);
virtual void getScenes(Scenes& scenes, bool onlyValid=true);
virtual void getViews(Views& views, bool onlyValid=true);
/** Get the keyboard and mouse usage of this viewer.*/
virtual void getUsage(osg::ApplicationUsage& usage) const;
protected:
void constructorInit();
virtual void viewerInit();
typedef std::vector< osg::ref_ptr<osgViewer::View> > RefViews;
RefViews _views;
bool _firstFrame;
osg::Timer_t _startTick;
osg::ref_ptr<osg::FrameStamp> _frameStamp;
osg::observer_ptr<osg::Camera> _cameraWithFocus;
osg::observer_ptr<osgViewer::View> _viewWithFocus;
osg::ref_ptr<osgGA::EventQueue> _eventQueue;
};
}
#endif