2 span-bar.hh -- declare Span_bar
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
13 #include "lily-guile.hh"
14 #include "lily-proto.hh"
17 This is a barline that is spanned across other bar lines. This is
18 the implementation of the long barlines that occur in orchestral
19 score and other multi-staff music.
21 TODO: Is this usable for other stuff besides barlines? We only have
22 to span a Score_element. Perhaps this can be used for large time
28 static void set_interface (Score_element*);
29 static bool has_interface (Score_element*);
30 static Interval get_spanned_interval (Score_element*);
31 static void add_bar (Score_element*,Score_element*);
32 static void evaluate_glyph (Score_element*);
33 static void evaluate_empty (Score_element*);
34 static Interval width_callback(Score_element *, Axis) ;
35 static SCM get_bar_size (SCM);
36 static SCM before_line_breaking (SCM);
37 static SCM center_on_spanned_callback (SCM element, SCM axis);