Sol key, staff and notes

[mrdebug]

Hi, in a new project I have to draw a pentagram with notes.
Does someone know a Qt component or a piece of code to draw notes and pentagram staff in a QPixmap?

Regards.

[Edit ~kshegunov]

[marco_piccolino]

This is way more than you need, but you could take inspiration from MuseScore:
https://github.com/musescore/MuseScore