- static void set_interface (Score_element*);
- static bool has_interface (Score_element*);
- static Interval get_spanned_interval (Score_element*);
- static void add_bar (Score_element*,Score_element*);
- static void evaluate_glyph (Score_element*);
- static void evaluate_empty (Score_element*);
- static Interval width_callback(Score_element *, Axis) ;
- static SCM get_bar_size (SCM);
- static SCM before_line_breaking (SCM);
- static Real center_on_spanned_callback (Score_element*,Axis);
+
+ DECLARE_GROB_INTERFACE();
+ static Interval get_spanned_interval (Grob *);
+ static void add_bar (Grob *, Grob *);
+ static void evaluate_glyph (Grob *);
+ DECLARE_SCHEME_CALLBACK (width, (SCM smob));
+ DECLARE_SCHEME_CALLBACK (calc_bar_size, (SCM));
+ DECLARE_SCHEME_CALLBACK (print, (SCM));
+ DECLARE_SCHEME_CALLBACK (calc_glyph_name, (SCM));
+ DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM));
+ DECLARE_SCHEME_CALLBACK (center_on_spanned_callback, (SCM element));