QT capture interface is displayed as picture or label

In software development , Some special functions are realized , Need to intercept ui Interface image of , For example, we are implementing some animations , Direct control ui Interfaces or controls cannot be implemented , Even if it can be achieved, it will be greatly discounted , Like a page turning effect 、 Rotation effect and so on .
Above questions , stay qwidget have access to grab() The function intercepts the interface or control as QPixmap object , Then save it as a picture ,label Display and realize the animation you want .
The code is as follows ：

		QLabel *mLabel = new QLabel(parent);
    	mLabel->resize(QSize(yourWidget->width(),yourWidget->height()));
    	mLabel->setPixmap(yourWidget->grab());  // Capture the current interface and draw it to label On 
    	mLabel->setAttribute(Qt::WA_DeleteOnClose);	// Set properties （ Delete... On close ）
    	mLabel->show();
    	mLabel->raise();