How to flip an image in Qt?

问题

I found that video on Youtube. It shows how to flip something called QML Flipable. I'm completely unfamiliar with QML so I have the following questions:

1) Is it possible to flip an ordinary QLabel like this? If yes how do I do that?

2) If it's not possible then how do I add that Flipable entity to my QMainWindow?

Thanks, everyone

回答1:

You could use the QGraphicsPixmap with your image , set the rotation center with setTransformOriginPoint and animate the transformation matrix with QProertyAnimation

回答2:

There's no convenient way to do this. Desktop OS's don't provide this functionality.

One option is to use QGraphicsView. You can add widgets to a QGraphicsScene using QGraphicsScene::addWidget(), for example, and then transform the view the way you want.

回答3:

Quick google search points me to a blog article where author of the video (Kunal Parmar) describing how this particular effect was done.

来源：https://stackoverflow.com/questions/13217380/how-to-flip-an-image-in-qt