-/*
- spacing-spanner.hh -- declare Spacing_spanner
-
+/*
+ spacing-spanner.hh -- declare Spacing spanner
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (c) 2005--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
#ifndef SPACING_SPANNER_HH
#define SPACING_SPANNER_HH
-#include "spanner.hh"
+#include "lily-proto.hh"
+#include "rational.hh"
+#include "std-vector.hh"
+#include "grob-interface.hh"
+#include "spring.hh"
-class Spacing_spanner : public Spanner
+class Spacing_spanner
{
+private:
+ static void set_distances_for_loose_col (Grob *me, Grob *c, Drul_array<Item *> next_door, Spacing_options const *);
+ static void generate_pair_spacing (Grob *me,
+ Paper_column *l, Paper_column *r,
+ Paper_column *nextr,
+ Spacing_options const *options);
+ static Real default_bar_spacing (Grob *, Grob *, Grob *, Moment);
+ static Rational effective_shortest_duration (Grob *me, vector<Grob*> const &all);
+ static void breakable_column_spacing (Grob *, Item *l, Item *r, Spacing_options const *);
+ static void prune_loose_columns (Grob *, vector<Grob*> *cols, Spacing_options *);
+ static void set_explicit_neighbor_columns (vector<Grob*> const &cols);
+ static void set_implicit_neighbor_columns (vector<Grob*> const &cols);
+ static void generate_springs (Grob *me, vector<Grob*> const &cols, Spacing_options const *);
+ static void musical_column_spacing (Grob *, Item *, Item *, Spacing_options const *);
+ static bool fills_measure (Grob *, Item *, Item *);
public:
- Spacing_spanner ();
-
- VIRTUAL_COPY_CONS(Score_element);
- Array<Spring> do_measure (Link_array<Score_column>) const;
-
-protected:
- virtual Array<Spring> get_springs () const;
-
- Real stem_dir_correction (Score_column*,Score_column*) const;
- Real default_bar_spacing (Score_column*,Score_column*,Moment) const;
- Real note_spacing (Score_column*,Score_column*,Moment) const;
+ static vector<Grob*> get_columns (Grob *me);
+ static Real note_spacing (Grob *, Grob *, Grob *, Spacing_options const *);
+ static Spring standard_breakable_column_spacing (Grob *me, Item *l, Item *r, Spacing_options const *);
+
+ DECLARE_SCHEME_CALLBACK (set_springs, (SCM));
+ DECLARE_SCHEME_CALLBACK (calc_common_shortest_duration, (SCM));
+ DECLARE_GROB_INTERFACE();
};
#endif /* SPACING_SPANNER_HH */
-