X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fbeam.hh;h=cf4740b349d025f6bbd2bcf5bfb1c66a2da90eca;hb=eeb0e852589b3e90623ee589e0b6dfd2535d0688;hp=f6f59c8c9eb24f178eefdd837ee5966479073eb3;hpb=1cf3d59c1559fb9774c4c1c8cae155cfe54a927c;p=lilypond.git diff --git a/lily/include/beam.hh b/lily/include/beam.hh index f6f59c8c9e..cf4740b349 100644 --- a/lily/include/beam.hh +++ b/lily/include/beam.hh @@ -1,68 +1,82 @@ /* beam.hh -- part of GNU LilyPond - (c) 1996--1998 Han-Wen Nienhuys + source file of the LilyPond music typesetter + + (c) 1996--2004 Han-Wen Nienhuys + Jan Nieuwenhuizen */ #ifndef BEAM_HH #define BEAM_HH + #include "lily-proto.hh" -#include "directional-spanner.hh" -#include "plist.hh" +#include "lily-guile.hh" +#include "stem-info.hh" -/** a beam connects multiple stems. - Beam adjusts the stems its owns to make sure that they reach the - beam and that point in the correct direction */ -class Beam: public Directional_spanner { +class Beam +{ public: - /** - The beams should be prevented to conflict with the stafflines, - especially at small slopes. - */ - enum Quantisation { NONE, NORMAL, TRADITIONAL, TEST }; - enum Dir_algorithm { /* DOWN=-1, UP=1, */ MAJORITY=2, MEAN, MEDIAN }; - - Link_array 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 - Quantisation quantisation_; - /// maximum number of beams (for opening-up of beam-spacing) - int multiple_i_; + static int visible_stem_count (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 is_knee (Grob*); + static void set_beaming (Grob*,Beaming_info_list *); + static void set_stemlens (Grob*); + 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 (print, (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 (shift_region_to_valid, (SCM)); + DECLARE_SCHEME_CALLBACK (quanting, (SCM)); + static Real score_slopes_dy (Real, Real, Real, Real, Real, bool); - DECLARE_MY_RUNTIME_TYPEINFO; - Beam(); - void add_stem (Stem*); + static Real score_stem_lengths (Link_array const &stems, + Array const &stem_infos, + Array const &base_stem_ys, + Array const &stem_xs, + Real xl, Real xr, + bool knee, + Real yl, Real yr); + static Real score_forbidden_quants (Real, Real, + Real, Real, Real, Real, + Drul_array, Direction, Direction); + - void set_grouping (Rhythmic_grouping def, Rhythmic_grouping current); - void set_stemlens (); - SCORE_ELEMENT_CLONE (Beam); - -protected: - virtual Interval do_width () const; - Offset center () const; - void set_default_dir (); - virtual void do_pre_processing (); - virtual void do_post_processing (); - virtual void do_substitute_dependent (Score_element*, Score_element*); + static int get_direction_beam_count (Grob *me, Direction d); +private: + static Direction get_default_dir (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 (Grob*, Grob* s, Grob**c, + Real, Real, + Drul_array pos, bool french); + static void set_stem_lengths (Grob*); + static int forced_stem_count (Grob*); +}; - virtual void do_print() const; +const int REGION_SIZE = 2; - virtual void quantise_left_y (bool extend_b); - virtual Molecule stem_beams (Stem *here, Stem *next, Stem *prev) const; - virtual void solve_slope (); - virtual void quantise_dy (); - virtual Molecule*brew_molecule_p () const; -}; +#ifndef NDEBUG +#define DEBUG_QUANTING 1 +#endif -#endif // BEAM_HH +#endif /* BEAM_HH */