- virtual std::pair<int, int> v_extents() const = 0;
-
- /**
- * Paints the background layer of the trace with a QPainter
- * @param p the QPainter to paint into.
- * @param pp the painting parameters object to paint with.
- **/
- virtual void paint_back(QPainter &p, const ViewItemPaintParams &pp);
-
- /**
- * Paints the mid-layer of the trace with a QPainter
- * @param p the QPainter to paint into.
- * @param pp the painting parameters object to paint with.
- **/
- virtual void paint_mid(QPainter &p, const ViewItemPaintParams &pp);
-
- /**
- * Paints the foreground layer of the trace with a QPainter
- * @param p the QPainter to paint into.
- * @param pp the painting parameters object to paint with.
- **/
- virtual void paint_fore(QPainter &p, const ViewItemPaintParams &pp);