using for a basis: Display QImage with QtGui
QGraphicsScene *scene = new QGraphicsScene();
QPixmap image;
image.load("/home/blabla/scene8.jpg", 0);
scene->addPixmap(image);
scene->setSceneRect(image.rect());
QGraphicsView *view = new QGraphicsView();
view->setScene(scene);
view->setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "My Plot"));
view->resize(1000, 1000);
view->show();