QImage img = var.value<QImage>();
viewer->setImage(img);
- QRect screenRect = QApplication::desktop()->availableGeometry();
- viewer->resize(qMin(int(0.75 * screenRect.width()), img.width()) + 40,
- qMin(int(0.75 * screenRect.height()), img.height()) + 40);
viewer->show();
viewer->raise();
viewer->activateWindow();