How to generate a pixmap with some text superimposed on a thumbnaill image ?

I would like to generate a pixmap which contains some text superimposed on a thumbnail image. The pixmap i want is shown in the attachment. How should I go about this ?

Attachment 5127

You can use QPainter on a pixmap and draw everything you like on it.

How do I prevent the original pixmap from getting modified & save the modified image to a new pixmap ?

Code:

---

QPixmap original = //...
QPixmap pixWithText = original;
QPainter p(&pixWithText);
//..
pixWithText.save();

---