2 stem.hh -- declare Stem
4 (c) 1996--2001 Han-Wen Nienhuys
10 #include "lily-proto.hh"
11 #include "lily-guile.hh"
12 #include "stem-info.hh"
13 #include "drul-array.hh"
18 DECLARE_SCHEME_CALLBACK(brew_molecule, (SCM ));
20 static int flag_i (Grob*) ;
21 static int beam_count (Grob*,Direction) ;
22 static void set_beaming (Grob*,int, Direction d);
23 static Grob * beam_l (Grob*);
24 static Grob * first_head (Grob*) ;
25 static Drul_array<Grob*> extremal_heads (Grob*);
26 static Grob * support_head (Grob*) ;
27 static void add_head (Grob*me, Grob*n);
28 static Stem_info calc_stem_info (Grob *) ;
29 static Real chord_start_f (Grob *) ;
30 static Direction get_direction (Grob*) ;
31 static int type_i (Grob *) ;
32 static void set_stemend (Grob *,Real);
33 static Direction get_default_dir(Grob *) ;
34 static int get_center_distance(Grob *,Direction) ;
35 static int heads_i (Grob *) ;
36 static bool invisible_b(Grob *) ;
37 static Interval head_positions(Grob *) ;
38 static Real get_default_stem_end_position (Grob*me) ;
39 static void position_noteheads(Grob*);
40 static Real stem_end_position (Grob*) ;
41 DECLARE_SCHEME_CALLBACK(off_callback, (SCM element, SCM axis));
42 static Molecule flag (Grob*);
43 DECLARE_SCHEME_CALLBACK(before_line_breaking, (SCM ));
44 DECLARE_SCHEME_CALLBACK(dim_callback, (SCM smob, SCM axis));
45 DECLARE_SCHEME_CALLBACK (height, (SCM,SCM));
46 static bool has_interface (Grob*);
47 static void set_interface (Grob*);
49 static void set_spacing_hints (Grob*me) ;