2 beam.hh -- part of GNU LilyPond
4 (c) 1996--2002 Han-Wen Nienhuys
10 #include "lily-proto.hh"
11 #include "lily-guile.hh"
18 static int visible_stem_count (Grob*);
19 static Item* first_visible_stem (Grob*);
20 static Item* last_visible_stem (Grob*);
21 static bool has_interface (Grob*);
22 DECLARE_SCHEME_CALLBACK (rest_collision_callback, (SCM element, SCM axis));
24 static void add_stem (Grob*,Grob*);
25 static void set_beaming (Grob*,Beaming_info_list *);
26 static void set_stemlens (Grob*);
27 static int get_multiplicity (Grob*me);
28 DECLARE_SCHEME_CALLBACK (brew_molecule, (SCM ));
29 DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM ));
30 DECLARE_SCHEME_CALLBACK (after_line_breaking, (SCM ));
35 DECLARE_SCHEME_CALLBACK (least_squares, (SCM));
36 DECLARE_SCHEME_CALLBACK (check_concave, (SCM));
37 DECLARE_SCHEME_CALLBACK (slope_damping, (SCM));
38 DECLARE_SCHEME_CALLBACK (quantise_dy, (SCM));
39 DECLARE_SCHEME_CALLBACK (user_override, (SCM));
40 DECLARE_SCHEME_CALLBACK (do_quantise_y, (SCM));
42 static Molecule stem_beams (Grob*,Item *here, Item *next, Item *prev, Real, Real);
45 static Direction get_default_dir (Grob*);
46 static void set_stem_directions (Grob*);
47 static void consider_auto_knees (Grob*);
48 static void set_stem_shorten (Grob*);
49 static Real calc_stem_y_f (Grob*, Item* s, Real y, Real dy);
50 static Real check_stem_length_f (Grob*, Real y, Real dy);
51 static void set_stem_lengths (Grob*);
52 static Real quantise_y_f (Grob*, Real y, Real dy, int quant_dir);
53 static int forced_stem_count (Grob*);