* Paints the background layer of the signal with a QPainter
* @param p the QPainter to paint into.
* @param pp the painting parameters object to paint with..
- **/
+ */
void paint_back(QPainter &p, const ViewItemPaintParams &pp);
/**
* Paints the mid-layer of the signal with a QPainter
* @param p the QPainter to paint into.
* @param pp the painting parameters object to paint with..
- **/
+ */
void paint_mid(QPainter &p, const ViewItemPaintParams &pp);
private: