-/*
- beam.hh -- part of GNU LilyPond
-
- (c) 1996--2002 Han-Wen Nienhuys
-*/
-
-#ifndef NEW_BEAM_HH
-#define NEW_BEAM_HH
-
-#include "lily-proto.hh"
-#include "lily-guile.hh"
-
-
-
-class New_beam
-{
-public:
- static int visible_stem_count (Grob*);
- static Item* first_visible_stem (Grob*);
- static Item* last_visible_stem (Grob*);
- static bool has_interface (Grob*);
- DECLARE_SCHEME_CALLBACK (rest_collision_callback, (SCM element, SCM axis));
- New_beam (SCM);
- static void add_stem (Grob*,Grob*);
- static void set_beaming (Grob*,Beaming_info_list *);
- static void set_stemlens (Grob*);
- static int get_multiplicity (Grob*me);
- DECLARE_SCHEME_CALLBACK (brew_molecule, (SCM ));
- DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM ));
- DECLARE_SCHEME_CALLBACK (after_line_breaking, (SCM ));
- DECLARE_SCHEME_CALLBACK (end_after_line_breaking, (SCM));
-
- /* position callbacks */
- DECLARE_SCHEME_CALLBACK (least_squares, (SCM));
- DECLARE_SCHEME_CALLBACK (check_concave, (SCM));
- DECLARE_SCHEME_CALLBACK (slope_damping, (SCM));
- DECLARE_SCHEME_CALLBACK (quantise_position, (SCM));
-
- static Molecule stem_beams (Grob*,Item *here, Item *next, Item *prev,
- Real dydx);
-
-private:
- static Direction get_default_dir (Grob*);
- static void set_stem_directions (Grob*);
- static void consider_auto_knees (Grob*);
- static void set_stem_shorten (Grob*);
- static Real calc_stem_y_f (Grob*, Item* s, Interval pos);
- static Real check_stem_length_f (Grob*, Interval pos);
- static void set_stem_lengths (Grob*);
- static Interval quantise_interval (Grob*, Interval pos, Direction quant_dir);
- static int forced_stem_count (Grob*);
-};
-
-#endif /* NEW_BEAM_HH */
-