/*
beam.hh -- part of GNU LilyPond
- (c) 1996--2002 Han-Wen Nienhuys
+ source file of the LilyPond music typesetter
+
+ (c) 1996--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
*/
#ifndef BEAM_HH
#include "lily-proto.hh"
#include "lily-guile.hh"
-
+#include "stem-info.hh"
class Beam
{
public:
static int visible_stem_count (Grob*);
- static Item* first_visible_stem (Grob*);
- static Item* last_visible_stem (Grob*);
+ static Grob* first_visible_stem (Grob*);
+ static Grob* last_visible_stem (Grob*);
static bool has_interface (Grob*);
DECLARE_SCHEME_CALLBACK (rest_collision_callback, (SCM element, SCM axis));
Beam (SCM);
static void add_stem (Grob*,Grob*);
+ static bool knee_b (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));
+ static int get_beam_count (Grob*me);
+ static void position_beam (Grob* me);
+ static Real get_beam_translation (Grob*me);
+ static Real get_thickness (Grob*me);
+ static void connect_beams (Grob*me);
+ DECLARE_SCHEME_CALLBACK (space_function, (SCM, SCM));
+ DECLARE_SCHEME_CALLBACK (brew_molecule, (SCM));
+ DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM));
+ DECLARE_SCHEME_CALLBACK (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));
+ DECLARE_SCHEME_CALLBACK (shift_region_to_valid, (SCM));
+ DECLARE_SCHEME_CALLBACK (quanting, (SCM));
+ static Real score_slopes_dy (Real, Real, Real, Real, Real, bool);
- static Molecule stem_beams (Grob*,Item *here, Item *next, Item *prev,
- Real dydx);
+ static Real score_stem_lengths (Link_array<Grob> const &stems,
+ Array<Stem_info> const &stem_infos,
+ Array<Real> const &base_stem_ys,
+ Array<Real> const &stem_xs,
+ Real xl, Real xr,
+ bool knee,
+ Real yl, Real yr);
+ static Real score_forbidden_quants (Real, Real,
+ Real, Real, Real, Real,
+ int, Direction, Direction);
+
+ static int get_direction_beam_count (Grob *me, Direction d);
private:
static Direction get_default_dir (Grob*);
- static void set_stem_directions (Grob*);
+ static void set_stem_directions (Grob*, Direction );
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 Real calc_stem_y (Grob*, Grob* s, Grob**c,
+ Real, Real,
+ Drul_array<Real> pos, bool french);
static void set_stem_lengths (Grob*);
- static Interval quantise_interval (Grob*, Interval pos, Direction quant_dir);
static int forced_stem_count (Grob*);
};
+const int REGION_SIZE = 2;
+
+#define DEBUG_QUANTING 1
+
#endif /* BEAM_HH */