Viewer.h

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/* -*-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_Viewer
#define OSGVIEWER_Viewer 1

#include <osg/ArgumentParser>
#include <osgGA/EventVisitor>
#include <osgUtil/UpdateVisitor>
#include <osgViewer/GraphicsWindow>
#include <osgViewer/View>


namespace osgViewer {

class OSGVIEWER_EXPORT Viewer : public ViewerBase, public osgViewer::View
{
    public:

        Viewer();

        Viewer(osg::ArgumentParser& arguments);

        Viewer(const osgViewer::Viewer& viewer, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);

        virtual ~Viewer();

        META_Object(osgViewer,Viewer);

        virtual void take(osg::View& rhs);


        virtual void setViewerStats(osg::Stats* stats) { setStats(stats); }

        virtual osg::Stats* getViewerStats() { return getStats(); }

        virtual const osg::Stats* getViewerStats() const { return getStats(); }


        virtual bool readConfiguration(const std::string& filename);

        virtual bool isRealized() const;

        virtual void realize();

        virtual void setStartTick(osg::Timer_t tick);
        void setReferenceTime(double time=0.0);

        virtual void setSceneData(osg::Node* node);


        virtual GraphicsWindowEmbedded* setUpViewerAsEmbeddedInWindow(int x, int y, int width, int height);


        virtual double elapsedTime();

        virtual osg::FrameStamp* getViewerFrameStamp() { return getFrameStamp(); }

        virtual int run();

        virtual bool checkNeedToDoFrame();

        virtual bool checkEvents();

        virtual void advance(double simulationTime=USE_REFERENCE_TIME);

        virtual void eventTraversal();

        virtual void updateTraversal();

        virtual void getCameras(Cameras& cameras, bool onlyActive=true);

        virtual void getContexts(Contexts& contexts, 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);

        virtual void getUsage(osg::ApplicationUsage& usage) const;


    protected:

        void constructorInit();

        virtual void viewerInit() { init(); }

        void generateSlavePointerData(osg::Camera* camera, osgGA::GUIEventAdapter& event);
        void generatePointerData(osgGA::GUIEventAdapter& event);
        void reprojectPointerData(osgGA::GUIEventAdapter& source_event, osgGA::GUIEventAdapter& dest_event);

};


}

#endif