- * Computes the vertical extents of the contents of this row item.
- * @return A pair containing the minimum and maximum y-values.
- */
- 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 RowItemPaintParams &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 RowItemPaintParams &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 RowItemPaintParams &pp);
-
- /**
- * Paints the signal label.
- * @param p the QPainter to paint into.