(c) 1996--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "spanner.hh"
-
-
#include "pointer-group-interface.hh"
#include "libc-extension.hh"
#include "paper-column.hh"
}
}
}
- vector_sort (broken_intos_, Spanner::compare);
+ vector_sort (broken_intos_, Spanner::less);
for (vsize i = broken_intos_.size (); i--;)
broken_intos_[i]->break_index_ = i;
}
Grob *
Spanner::find_broken_piece (System *l) const
{
- vsize idx = binary_search (broken_intos_, (Spanner *)l, Spanner::compare);
+ vsize idx = binary_search (broken_intos_, (Spanner *)l, Spanner::less);
if (idx != VPOS)
return broken_intos_ [idx];
return 0;
}
+Spanner *
+Spanner::broken_neighbor (Direction d) const
+{
+ if (!original_)
+ return 0;
+
+ vsize k = broken_spanner_index (this);
+ Spanner *orig = dynamic_cast<Spanner*> (original_);
+ int j = int (k) + d;
+ if (j < 0 || vsize (j) >= orig->broken_intos_.size ())
+ return 0;
+
+ return orig->broken_intos_[j];
+}
+
int
Spanner::compare (Spanner *const &p1, Spanner *const &p2)
{
return p1->get_system ()->get_rank () - p2->get_system ()->get_rank ();
}
+bool
+Spanner::less (Spanner *const &a, Spanner *const &b)
+{
+ return a->get_system ()->get_rank () < b->get_system ()->get_rank ();
+}
+
bool
Spanner::is_broken () const
{
Spanner::set_spacing_rods (SCM smob)
{
Grob *me = unsmob_grob (smob);
+ SCM num_length = me->get_property ("minimum-length");
+ if (scm_is_number (num_length))
+ {
+ Rod r;
+ Spanner *sp = dynamic_cast<Spanner *> (me);
+
- Rod r;
- Spanner *sp = dynamic_cast<Spanner *> (me);
- r.item_drul_[LEFT] = sp->get_bound (LEFT);
- r.item_drul_[RIGHT] = sp->get_bound (RIGHT);
- r.distance_
- = robust_scm2double (me->get_property ("minimum-length"), 0);
+ System *root = get_root_system (me);
+ vector<Item*> cols (root->broken_col_range (sp->get_bound (LEFT)->get_column (),
+ sp->get_bound (RIGHT)->get_column ()));
- r.add_to_cols ();
+ if (cols.size ())
+ {
+ Rod r ;
+ r.item_drul_[LEFT] = sp->get_bound (LEFT);
+ r.item_drul_[RIGHT] = cols[0]->find_prebroken_piece (LEFT);
+ r.distance_ = robust_scm2double (num_length, 0);
+ r.add_to_cols ();
+
+ r.item_drul_[LEFT] = cols.back ()->find_prebroken_piece (RIGHT);
+ r.item_drul_[RIGHT] = sp->get_bound (RIGHT);
+ r.add_to_cols ();
+ }
+
+ r.distance_ = robust_scm2double (num_length, 0);
+ r.item_drul_[LEFT] = sp->get_bound (LEFT);
+ r.item_drul_[RIGHT] = sp->get_bound (RIGHT);
+ r.add_to_cols ();
+ }
+
return SCM_UNSPECIFIED;
}
Return I such that SP == SP->ORIGINAL ()->BROKEN_INTOS_[I].
*/
int
-broken_spanner_index (Spanner *sp)
+broken_spanner_index (Spanner const *sp)
{
Spanner *parent = dynamic_cast<Spanner *> (sp->original ());
- return find (parent->broken_intos_, sp) - parent->broken_intos_.begin ();
+ /* ugh: casting */
+ return find (parent->broken_intos_, (Spanner*) sp) - parent->broken_intos_.begin ();
}
Spanner *
return dynamic_cast<Spanner *> (unsmob_grob (s));
}
+MAKE_SCHEME_CALLBACK(Spanner, bounds_width, 1);
+SCM
+Spanner::bounds_width (SCM grob)
+{
+ Spanner *me = unsmob_spanner (grob);
+
+
+ Grob *common = me->get_bound (LEFT)->common_refpoint (me->get_bound (RIGHT), X_AXIS);
+
+ Interval w (me->get_bound (LEFT)->relative_coordinate (common, X_AXIS),
+ me->get_bound (RIGHT)->relative_coordinate (common, X_AXIS));
+
+ w -= me->relative_coordinate (common, X_AXIS);
+
+ return ly_interval2scm (w);
+}
+
ADD_INTERFACE (Spanner,
- "spanner-interface",
"Some objects are horizontally spanned between objects. For\n"
"example, slur, beam, tie, etc. These grobs form a subtype called\n"
"@code{Spanner}. All spanners have two span-points (these must be\n"
"@code{Item} objects), one on the left and one on the right. The left bound is\n"
"also the X-reference point of the spanner.\n",
- "minimum-length");
+
+ "minimum-length "
+ );
+