2 stem.hh -- declare Stem
4 (c) 1996--2005 Han-Wen Nienhuys
10 #include "lily-proto.hh"
11 #include "lily-guile.hh"
12 #include "stem-info.hh"
17 static Array<int> note_head_positions (Grob *);
18 static int duration_log (Grob *);
19 static void set_beaming (Grob *, int, Direction d);
20 static int get_beaming (Grob *, Direction d);
21 static Spanner *get_beam (Grob *);
22 static Grob *first_head (Grob *);
23 static Grob *last_head (Grob *);
24 static Drul_array<Grob *> extremal_heads (Grob *);
25 static Grob *support_head (Grob *);
26 static void add_head (Grob *me, Grob *n);
27 static Stem_info get_stem_info (Grob *);
28 static Real chord_start_y (Grob *);
29 static void set_stemend (Grob *, Real);
30 static Slice beam_multiplicity (Grob *);
31 static Direction get_default_dir (Grob*);
32 static Real thickness (Grob *);
33 static int head_count (Grob *);
34 static bool is_invisible (Grob *);
35 static Interval head_positions (Grob *);
36 static Real stem_end_position (Grob *);
37 static Stencil flag (Grob *);
38 static Stencil get_translated_flag (Grob*);
39 static bool has_interface (Grob *);
40 static void set_spacing_hints (Grob *);
42 DECLARE_SCHEME_CALLBACK (print, (SCM));
43 DECLARE_SCHEME_CALLBACK (offset_callback, (SCM element, SCM axis));
44 DECLARE_SCHEME_CALLBACK (calc_direction, (SCM));
45 DECLARE_SCHEME_CALLBACK (calc_length, (SCM));
46 DECLARE_SCHEME_CALLBACK (calc_stem_end_position, (SCM));
47 DECLARE_SCHEME_CALLBACK (calc_stem_info, (SCM));
48 DECLARE_SCHEME_CALLBACK (calc_positioning_done, (SCM));
49 DECLARE_SCHEME_CALLBACK (width_callback, (SCM smob, SCM axis));
50 DECLARE_SCHEME_CALLBACK (height, (SCM, SCM));