setAlignment(Qt::AlignBottom);
setInteractive(true);
//setOptimizationFlags(QGraphicsView::DontClipPainter | QGraphicsView::DontAdjustForAntialiasing);
setAlignment(Qt::AlignBottom);
setInteractive(true);
//setOptimizationFlags(QGraphicsView::DontClipPainter | QGraphicsView::DontAdjustForAntialiasing);
setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
setTransformationAnchor(QGraphicsView::NoAnchor);
setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
setTransformationAnchor(QGraphicsView::NoAnchor);