- ss = Staff_symbol_referencer::staff_space (support[i]);
-
- Interval y (support[i]->extent (support[i], Y_AXIS));
+ ss = Staff_symbol_referencer::staff_space (s);
+
+ /* can't inspect Y extent of rest.
+
+ Rest collisions should wait after line breaking.
+ */
+ Interval y;
+ if (Rest::has_interface (s))
+ {
+ base_x.unite (s->extent (commonx, X_AXIS));
+ continue;
+ }
+ else if (Stem::has_interface (s))
+ {
+ Real y1 = Stem::head_positions (s)[-get_grob_direction (s)];
+ Real y2 = y1 + get_grob_direction (s) * 7;
+
+ y.add_point (y1);
+ y.add_point (y2);
+ }
+ else
+ y = s->extent (s, Y_AXIS);