VC3DGraphicsWindowQt

概述  VC3DGraphicsWindowQt::VC3DGraphicsWindowQt(QWidget* parent, Qt::WindowFlags f){ osg::DisplaySettings* ds = osg::DisplaySettings::instance().get(); osg::setNotifyLevel(osg::NotifySeverity

 

VC3DGraphicsWindowQt::VC3DGraphicsWindowQt(QWidget* parent,Qt::WindowFlags f){    osg::displaySettings* ds = osg::displaySettings::instance().get();    osg::setNotifyLevel(osg::NotifySeverity::FATAL);    _traits = new osg::GraphicsContext::Traits();    _traits->windowdecoration = false;    _traits->x = 0;    _traits->y = 0;    _traits->wIDth = 100;    _traits->height = 100;    _traits->doubleBuffer = true;    if (ds)    {        _traits->Alpha = ds->getMinimumNumAlphaBits();        _traits->stencil = ds->getMinimumNumStencilBits();        _traits->sampleBuffers = ds->getMultiSamples();        _traits->samples = ds->getNumMultiSamples();    }    if (parent)    {        _traits->wIDth = parent->wIDth();        _traits->height = parent->height();    }    // create Widget if it does not exist    if (!m_opengl_Widget)    {        // WindowFlags        Qt::WindowFlags flags = f | Qt::Widget;        // create Widget        m_opengl_Widget = new VC3DQtOSGWidget(parent,flags);    }    m_opengl_Widget->setMouseTracking(true);    m_opengl_Widget->setFocusPolicy(Qt::WheelFocus);    m_opengl_Widget->setGraphicsWindow(this);    useCursor(_traits->useCursor);    // initialize State    setState(new osg::State);    getState()->setGraphicsContext(this);    // initialize contextID    if (_traits.valID() && _traits->sharedContext.valID())    {        getState()->setContextID(_traits->sharedContext->getState()->getContextID());        incrementContextIDUsageCount(getState()->getContextID());    }    else    {        getState()->setContextID(osg::GraphicsContext::createNewContextID());    }    // make sure the event queue has the correct window rectangle size and input range#if (OPENSCENEGRAPH_MAJOR_VERSION == 3) && (OPENSCENEGRAPH_MInor_VERSION == 2)    getEventQueue()->syncWindowRectangleWithGraphcisContext();#else    getEventQueue()->syncWindowRectangleWithGraphicsContext();#endif}

 

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