-Interval
-Note_column::accidental_width (Grob *me)
-{
- extract_grob_set (me, "note-heads", nhs);
- vector<Grob *> accs;
- for (vsize i = 0; i < nhs.size (); i++)
- if (Grob *acc = unsmob_grob (nhs[i]->get_object ("accidental-grob")))
- accs.push_back (acc);
-
- Grob *common = common_refpoint_of_array (accs, me, X_AXIS);
- common = common_refpoint_of_array (nhs, common, X_AXIS);
-
- Interval nhs_ex = Axis_group_interface::relative_group_extent (nhs, common, X_AXIS);
- Interval accs_ex = Axis_group_interface::relative_group_extent (accs, common, X_AXIS);
-
- if (nhs_ex.is_empty ())
- return accs_ex;
-
- // want an empty interval here
- if (accs_ex.is_empty ())
- return Interval ();
-
- return Interval (accs_ex[LEFT], nhs_ex[LEFT]);
-}
-