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- #ifndef Viewer_hpp
- #define Viewer_hpp
- #include <QtGui/QGridLayout>
- #include <QtGui/QWidget>
- #include <QtCore/QTimer>
- #include <osgViewer/CompositeViewer>
- #include <osgViewer/ViewerEventHandlers>
- #include <osgGA/TrackballManipulator>
- #include <osgDB/ReadFile>
- #include <osgQt/GraphicsWindowQt>
- class ViewerWidget : public QWidget, public osgViewer::CompositeViewer
- {
- public:
- ViewerWidget(osgViewer::ViewerBase::ThreadingModel threadingModel= osgViewer::ViewerBase::ThreadPerCamera ) : QWidget()
- {
- setThreadingModel(threadingModel);
- }
- QWidget* addViewWidget( osg::Camera* camera, osg::Node* scene )
- {
- osgViewer::View* view = new osgViewer::View;
- view->setCamera( camera );
- addView( view );
- view->setSceneData( scene );
- view->addEventHandler( new osgViewer::StatsHandler );
- view->setCameraManipulator( new osgGA::TrackballManipulator );
- osgQt::GraphicsWindowQt* gw = dynamic_cast<osgQt::GraphicsWindowQt*>( camera->getGraphicsContext() );
- return gw ? gw->getGLWidget() : NULL;
- }
- osg::Camera* createCamera( int x, int y, int w, int h, const std::string& name="", bool windowDecoration=true )
- {
- osg::DisplaySettings* ds = osg::DisplaySettings::instance().get();
- osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
- traits->windowName = name;
- traits->windowDecoration = windowDecoration;
- traits->x = x;
- traits->y = y;
- traits->width = w;
- traits->height = h;
- traits->doubleBuffer = true;
- traits->alpha = ds->getMinimumNumAlphaBits();
- traits->stencil = ds->getMinimumNumStencilBits();
- traits->sampleBuffers = ds->getMultiSamples();
- traits->samples = ds->getNumMultiSamples();
- osg::ref_ptr<osg::Camera> camera = new osg::Camera;
- camera->setGraphicsContext( new osgQt::GraphicsWindowQt(traits.get()) );
- camera->setClearColor( osg::Vec4(0.2, 0.2, 0.6, 1.0) );
- camera->setViewport( new osg::Viewport(0, 0, traits->width, traits->height) );
- camera->setProjectionMatrixAsPerspective(
- 30.0f, static_cast<double>(traits->width)/static_cast<double>(traits->height), 1.0f, 10000.0f );
- return camera.release();
- }
- void Do(void) {
- QWidget* widget1 = addViewWidget( createCamera(0,0,100,100), osgDB::readNodeFile("cow.osgt") );
- // osg::ref_ptr<osg::Node> node = new osg::Geode;
- // QWidget* widget1 = addViewWidget( createCamera(0,0,100,100), node );
- QGridLayout* grid = new QGridLayout;
- grid->addWidget( widget1, 0, 0 );
- setLayout( grid );
- connect( &_timer, SIGNAL(timeout()), this, SLOT(update()) );
- _timer.start( 10 );
- }
- void Add(void) {
- }
- virtual void paintEvent( QPaintEvent* event )
- { frame(); }
- protected:
- QTimer _timer;
- };
- #endif
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