source file of the GNU LilyPond music typesetter
- (c) 1996--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1996--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "pointer-group-interface.hh"
#include "stencil.hh"
#include "system.hh"
#include "warn.hh"
+#include "moment.hh"
Grob *
-Spanner::clone (int count) const
+Spanner::clone () const
{
- return new Spanner (*this, count);
+ return new Spanner (*this);
}
void
{
if (Spanner *parent = dynamic_cast<Spanner *> (get_parent ((Axis)a)))
{
- if (!parent->spanned_rank_iv ().superset (this->spanned_rank_iv ()))
+ if (!parent->spanned_rank_interval ().superset (this->spanned_rank_interval ()))
{
programming_error (to_string ("Spanner `%s' is not fully contained in parent spanner `%s'.",
name ().c_str (),
programming_error ("no broken bound");
else if (bound->get_system ())
{
- Spanner *span = dynamic_cast<Spanner *> (clone (broken_intos_.size ()));
+ Spanner *span = dynamic_cast<Spanner *> (clone ());
span->set_bound (LEFT, bound);
span->set_bound (RIGHT, bound);
continue;
}
- Spanner *span = dynamic_cast<Spanner *> (clone (broken_intos_.size ()));
+ Spanner *span = dynamic_cast<Spanner *> (clone ());
span->set_bound (LEFT, bounds[LEFT]);
span->set_bound (RIGHT, bounds[RIGHT]);
}
Interval_t<int>
-Spanner::spanned_rank_iv ()
+Spanner::spanned_rank_interval () const
{
Interval_t<int> iv (0, 0);
return iv;
}
+Interval_t<Moment>
+Spanner::spanned_time () const
+{
+ return spanned_time_interval (spanned_drul_[LEFT],
+ spanned_drul_[RIGHT]);
+}
+
+
Item *
Spanner::get_bound (Direction d) const
{
Pointer_group_interface::add_grob (i, ly_symbol2scm ("bounded-by-me"), this);
}
-Spanner::Spanner (SCM s, Object_key const *key)
- : Grob (s, key)
+Spanner::Spanner (SCM s)
+ : Grob (s)
{
break_index_ = 0;
spanned_drul_[LEFT] = 0;
spanned_drul_[RIGHT] = 0;
}
-Spanner::Spanner (Spanner const &s, int count)
- : Grob (s, count)
+Spanner::Spanner (Spanner const &s)
+ : Grob (s)
{
spanned_drul_[LEFT] = spanned_drul_[RIGHT] = 0;
}
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,
"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 "
+ );