transparent QLabel with a pixmap

Question

I have a QLabel, and I put an image on it using setpixmap(). That image has alpha channel.

The QLabel is on a QWidget which has a border-image specified by an image (so

Answer 1

You need to set the Widget Attributes and Window Flags appropriately:

Using QWidget::setAttribute() and Qt::WidgetAttribute...

Qt::WA_TranslucentBackground needs to be set to true.

Along with learning the Window Flags Example should help a lot.

If you are just looking for a single widget that paints a frameless image...

Here is a perfect example:

QSplashScreen Replacement