2 spacing-spanner.hh -- declare Spacing spanner
4 source file of the GNU LilyPond music typesetter
6 (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
9 #ifndef SPACING_SPANNER_HH
10 #define SPACING_SPANNER_HH
12 #include "lily-proto.hh"
13 #include "lily-guile.hh"
14 #include "rational.hh"
16 struct Spacing_options
19 bool stretch_uniformly_;
20 bool float_nonmusical_columns_;
21 Rational global_shortest_;
23 Real shortest_duration_space_;
26 void init_from_grob (Grob *me);
27 Real get_duration_space (Moment d, bool *) const;
31 TODO: prune to public interface.
36 static void generate_pair_spacing (Grob *me,
37 Paper_column *l, Paper_column *r,
39 Spacing_options const *options);
40 static void standard_breakable_column_spacing (Grob *me, Item *l, Item *r,
41 Real *fixed, Real *space,
42 Spacing_options const *);
43 static Real default_bar_spacing (Grob *, Grob *, Grob *, Moment);
44 static Real note_spacing (Grob *, Grob *, Grob *, Spacing_options const *, bool *);
45 static Real get_duration_space (Moment dur, Spacing_options const *, bool *);
46 static Rational find_shortest (Grob *, Link_array<Grob> const &);
47 static Rational effective_shortest_duration (Grob *me, Link_array<Grob> const &all);
48 static void breakable_column_spacing (Grob *, Item *l, Item *r, Spacing_options const *);
49 static void prune_loose_columns (Grob *, Link_array<Grob> *cols, Spacing_options const *);
50 static void set_explicit_neighbor_columns (Link_array<Grob> const &cols);
51 static void set_implicit_neighbor_columns (Link_array<Grob> const &cols);
52 static void generate_springs (Grob *me, Link_array<Grob> const &cols, Spacing_options const *);
53 static void musical_column_spacing (Grob *, Item *, Item *, Spacing_options const *);
54 DECLARE_SCHEME_CALLBACK (set_springs, (SCM));
55 static bool has_interface (Grob *);
58 #endif /* SPACING_SPANNER_HH */