-/*
- directional-element.cc -- implement Directional_element
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-
-#include "directional-element-interface.hh"
-
-
-Directional_element_interface::Directional_element_interface (Score_element const *s)
-{
- elt_l_ = (Score_element*)s;
-}
+/*
+ directional-element-interface.cc -- implement Directional_element
-bool
-Directional_element_interface::has_interface_b () const
-{
- return isdir_b (elt_l_->get_elt_property ("direction"));
-}
+ source file of the GNU LilyPond music typesetter
+ (c) 1999--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
-
+#include "directional-element-interface.hh"
+#include "warn.hh"
+#include "grob.hh"
Direction
-Directional_element_interface::get () const
+get_grob_direction (Grob *me)
{
- // return dir_;
- SCM d= elt_l_->get_elt_property ("direction");
- if (!isdir_b(d))
+ SCM d = me->get_property ("direction");
+ if (d == ly_symbol2scm ("calculation-in-progress"))
+ {
+ programming_error ("Grob direction requested while calculation in progress. ");
+ return UP;
+ }
+ if (!is_direction (d))
return CENTER;
-
+
return to_dir (d);
}
void
-Directional_element_interface::set (Direction d)
+set_grob_direction (Grob *me, Direction d)
{
- elt_l_->set_elt_property ("direction", gh_int2scm (d));
+ SCM sd = scm_from_int (d);
+ me->set_property ("direction", sd);
}