93 lines
3.6 KiB
C++
93 lines
3.6 KiB
C++
#include <QtCore/QTimer>
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#include <QtGui/QApplication>
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#include <QtGui/QGridLayout>
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#include <osgViewer/CompositeViewer>
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#include <osgViewer/ViewerEventHandlers>
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#include <osgGA/TrackballManipulator>
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#include <osgDB/ReadFile>
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#include <iostream>
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#include "GraphicsWindowQt"
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class ViewerWidget : public QWidget, public osgViewer::CompositeViewer
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{
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public:
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ViewerWidget() : QWidget()
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{
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setThreadingModel(osgViewer::CompositeViewer::SingleThreaded);
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QWidget* widget1 = addViewWidget( createCamera(0,0,100,100), osgDB::readNodeFile("cow.osg") );
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QWidget* widget2 = addViewWidget( createCamera(0,0,100,100), osgDB::readNodeFile("glider.osg") );
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QWidget* widget3 = addViewWidget( createCamera(0,0,100,100), osgDB::readNodeFile("axes.osg") );
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QWidget* widget4 = addViewWidget( createCamera(0,0,100,100), osgDB::readNodeFile("fountain.osg") );
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QWidget* popupWidget = addViewWidget( createCamera(900,100,320,240,"Popup window",true),
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osgDB::readNodeFile("dumptruck.osg") );
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popupWidget->show();
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QGridLayout* grid = new QGridLayout;
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grid->addWidget( widget1, 0, 0 );
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grid->addWidget( widget2, 0, 1 );
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grid->addWidget( widget3, 1, 0 );
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grid->addWidget( widget4, 1, 1 );
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setLayout( grid );
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connect( &_timer, SIGNAL(timeout()), this, SLOT(update()) );
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_timer.start( 10 );
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}
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QWidget* addViewWidget( osg::Camera* camera, osg::Node* scene )
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{
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osgViewer::View* view = new osgViewer::View;
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view->setCamera( camera );
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addView( view );
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view->setSceneData( scene );
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view->addEventHandler( new osgViewer::StatsHandler );
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view->setCameraManipulator( new osgGA::TrackballManipulator );
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GraphicsWindowQt* gw = dynamic_cast<GraphicsWindowQt*>( camera->getGraphicsContext() );
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return gw ? gw->getGraphWidget() : NULL;
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}
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osg::Camera* createCamera( int x, int y, int w, int h, const std::string& name="", bool windowDecoration=false )
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{
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osg::DisplaySettings* ds = osg::DisplaySettings::instance().get();
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osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
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traits->windowName = name;
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traits->windowDecoration = windowDecoration;
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traits->x = x;
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traits->y = y;
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traits->width = w;
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traits->height = h;
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traits->doubleBuffer = true;
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traits->alpha = ds->getMinimumNumAlphaBits();
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traits->stencil = ds->getMinimumNumStencilBits();
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traits->sampleBuffers = ds->getMultiSamples();
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traits->samples = ds->getNumMultiSamples();
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osg::ref_ptr<osg::Camera> camera = new osg::Camera;
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camera->setGraphicsContext( new GraphicsWindowQt(traits.get()) );
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camera->setClearColor( osg::Vec4(0.2, 0.2, 0.6, 1.0) );
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camera->setViewport( new osg::Viewport(0, 0, traits->width, traits->height) );
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camera->setProjectionMatrixAsPerspective(
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30.0f, static_cast<double>(traits->width)/static_cast<double>(traits->height), 1.0f, 10000.0f );
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return camera.release();
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}
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virtual void paintEvent( QPaintEvent* event )
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{ frame(); }
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protected:
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QTimer _timer;
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};
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int main( int argc, char** argv )
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{
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QApplication app(argc, argv);
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ViewerWidget* viewWidget = new ViewerWidget;
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viewWidget->setGeometry( 100, 100, 800, 600 );
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viewWidget->show();
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return app.exec();
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}
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