source file of the GNU LilyPond music typesetter
- (c) 1998--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
void
Separating_group_spanner::find_rods (Item * r, SCM next)
{
- Interval ri (Separation_item::my_width (r));
- if (ri.empty_b ())
- return;
/*
- This is an inner loop, however, in most cases, the interesting L
- will just be the first entry of NEXT, making it linear in most of
- the cases. */
+ This is an inner loop: look for the first normal (unbroken) Left
+ grob. This looks like an inner loop (ie. quadratic total), but in
+ most cases, the interesting L will just be the first entry of
+ NEXT, making it linear in most of the cases.
+ */
+ if (Separation_item::width (r).empty_b ())
+ return;
+
for(; gh_pair_p (next); next = ly_cdr (next))
{
Item *l = dynamic_cast<Item*> (unsmob_grob (ly_car( next)));
if (lb)
{
- Interval li (Separation_item::my_width (lb));
-
- if (!li.empty_b ())
+ Interval li (Separation_item::width (lb));
+ Interval ri (Separation_item::conditional_width (r, lb));
+ if (!li.empty_b () && !ri.empty_b())
{
Rod rod;
rod.item_l_drul_[LEFT] = lb;
rod.item_l_drul_[RIGHT] = r;
- rod.distance_f_ = li[RIGHT] - ri[LEFT];
-
- rod.columnize ();
+ rod.distance_ = li[RIGHT] - ri[LEFT];
rod.add_to_cols ();
}
}
- Interval li (Separation_item::my_width (l));
- if (!li.empty_b ())
+ Interval li (Separation_item::width (l));
+ Interval ri (Separation_item::conditional_width (r, l));
+ if (!li.empty_b () && !ri.empty_b())
{
Rod rod;
rod.item_l_drul_[LEFT] =l;
rod.item_l_drul_[RIGHT]=r;
- rod.distance_f_ = li[RIGHT] - ri[LEFT];
+ rod.distance_ = li[RIGHT] - ri[LEFT];
- rod.columnize ();
rod.add_to_cols ();
-
break;
}
- else
- /*
- this grob doesn't cause a constraint. We look further until we
- find one that does. */
- ;
+
+ /*
+ this grob doesn't cause a constraint. We look further until we
+ find one that does.
+ */
+
}
}