QGraphicsViewAdapter::QGraphicsViewAdapter(osg::Image* image, QWidget* widget): _image(image), _previousQtMouseX(-1), _previousQtMouseY(-1), _previousSentEvent(false), _qtKeyModifiers(Qt::NoModifier), _backgroundColor(255, 255, 255), _widget(widget) { // make sure we have a valid QApplication before we start creating widgets. getOrCreateQApplication(); setUpKeyMap(); _graphicsScene = new QGraphicsScene; _graphicsScene->addWidget(widget); _graphicsView = new QGraphicsView; _graphicsView->setScene(_graphicsScene); _graphicsView->viewport()->setParent(0); #if (QT_VERSION_CHECK(4, 5, 0) <= QT_VERSION) _graphicsScene->setStickyFocus(true); #endif _width = _graphicsScene->width(); _height = _graphicsScene->height(); _qimages[0] = QImage(QSize(_width, _height), s_imageFormat); _qimages[1] = QImage(QSize(_width, _height), s_imageFormat); _qimages[2] = QImage(QSize(_width, _height), s_imageFormat); _currentRead = 0; _currentWrite = 1; _previousWrite = 2; _previousFrameNumber = 0; _newImageAvailable = false; connect(_graphicsScene, SIGNAL(changed(const QList<QRectF> &)), this, SLOT(repaintRequestedSlot(const QList<QRectF> &))); connect(_graphicsScene, SIGNAL(sceneRectChanged(const QRectF &)), this, SLOT(repaintRequestedSlot(const QRectF &))); assignImage(0); }
QGraphicsViewAdapter::QGraphicsViewAdapter( osg::Image* image, QWidget* widget ): _image( image ), _qtKeyModifiers( Qt::NoModifier ), _backgroundColor( 255,255,255 ) { // make sure we have a valid QApplication before we start creating widgets. this->getOrCreateQApplication(); setUpKeyMap(); _graphicsScene = new QGraphicsScene(); _graphicsView = new QGraphicsView; _graphicsScene->addWidget( widget ); _graphicsView->setScene( _graphicsScene ); #if (QT_VERSION_CHECK(4, 5, 0) <= QT_VERSION) _graphicsScene->setStickyFocus( true ); #endif _graphicsView->viewport()->setParent( 0 ); int width = ( int ) _graphicsScene->width(); int height = ( int ) _graphicsScene->height(); _qimages[0] = QImage( QSize( width, height ), QImage::Format_ARGB32 ); _qimages[0].fill( _backgroundColor.rgba() ); _qimages[0] = QGLWidget::convertToGLFormat( _qimages[0] ); _qimages[1] = QImage( QSize( width, height ), QImage::Format_ARGB32 ); _qimages[1].fill( _backgroundColor.rgba() ); _qimages[2] = QImage( QSize( width, height ), QImage::Format_ARGB32 ); _qimages[2].fill( _backgroundColor.rgba() ); _currentRead = 0; _currentWrite = 1; _previousWrite = 2; _previousFrameNumber = 0; _newImageAvailable = false; connect( _graphicsScene, SIGNAL( changed( const QList<QRectF>& ) ), this, SLOT( repaintRequestedSlot( const QList<QRectF>& ) ) ); assignImage( 0 ); }