/*
beam.hh -- part of GNU LilyPond
- (c) 1996,97 Han-Wen Nienhuys
+ (c) 1996--1999 Han-Wen Nienhuys
*/
#ifndef BEAM_HH
#define BEAM_HH
+
#include "lily-proto.hh"
#include "directional-spanner.hh"
+#include "stem-info.hh"
#include "plist.hh"
/** a beam connects multiple stems.
beam and that point in the correct direction */
class Beam: public Directional_spanner {
public:
- /** The beams (especially at small slopes) should be prevented to
- conflict with the stafflines. This necessitates some quantisation
- of start and end posititons of the beam.
+ /**
+ The beams should be prevented to conflict with the stafflines,
+ especially at small slopes.
*/
- enum Pos { NONE, SIT = 1, STRADDLE = 2, HANG = 4, INTER = 8 };
- // ugh, silly C++ (Pos::NONE vs Quantise::NONE)
- enum Quantise { NUNE, NORMAL, TRADITIONAL };
+ enum Quantisation { NONE, NORMAL, TRADITIONAL, TEST };
+ enum Dir_algorithm { /* DOWN=-1, UP=1, */ MAJORITY=2, MEAN, MEDIAN };
Link_array<Stem> stems_;
/// the slope of the beam in posns / point (dimension)
Real slope_f_;
+ /// the slope as solved; not quantised or damped
+ Real solved_slope_f_;
/// position of leftmost end of beam
Real left_y_;
/// should beam slope be damped? 0: no, 1: yes, 100000: horizontal beams
int damping_i_;
/// should beam pos / slope be quantised? 0: no, 1: yes, 2: traditional
- Quantise quantisation_;
+ Quantisation quantisation_;
/// maximum number of beams (for opening-up of beam-spacing)
int multiple_i_;
+ /// vertical align distance between staffs
+ Drul_array<Real> vertical_align_drul_;
- DECLARE_MY_RUNTIME_TYPEINFO;
+ Array<Stem_info> sinfo_;
+
Beam();
- void add (Stem*);
+ void add_stem (Stem*);
void set_grouping (Rhythmic_grouping def, Rhythmic_grouping current);
void set_stemlens ();
- SCORE_ELEM_CLONE (Beam);
+ VIRTUAL_COPY_CONS(Score_element);
protected:
virtual Interval do_width () const;
Offset center () const;
void set_default_dir ();
+ void set_steminfo ();
virtual void do_pre_processing ();
virtual void do_post_processing ();
- virtual void do_substitute_dependent (Score_elem*, Score_elem*);
+ virtual void do_substitute_dependent (Score_element*, Score_element*);
virtual void do_print() const;
- virtual void quantise_left_y (Beam::Pos pos, bool extend_b);
+ virtual void quantise_left_y (bool extend_b);
virtual Molecule stem_beams (Stem *here, Stem *next, Stem *prev) const;
+ virtual void calculate_slope ();
+ virtual Real check_stemlengths_f (bool set_b);
virtual void solve_slope ();
- virtual void quantise_yspan ();
- virtual Molecule*brew_molecule_p () const;
+ virtual void quantise_dy ();
+ virtual Molecule*do_brew_molecule_p () const;
};
#endif // BEAM_HH