The QImage class provides a hardware-independent image representation that allows direct access to th...
The QPainter class performs low-level painting on widgets and other paint devices.
bool begin(QPaintDevice *)
void drawEllipse(const QRectF &r)
void drawPicture(const QPointF &p, const QPicture &picture)
The QPicture class is a paint device that records and replays QPainter commands.