X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fbeam.hh;h=f99fbf8028e2ac3cb0f428dbb3394a9156a927c3;hb=a066a93ee74edebb9d238a1bac93c3bc7e8e6e4a;hp=83e2c591f7a9e7d52b26d7be475ff8d98fc3ac62;hpb=087a4bf794b39cbfd99eb032183101013386f475;p=lilypond.git diff --git a/lily/include/beam.hh b/lily/include/beam.hh index 83e2c591f7..f99fbf8028 100644 --- a/lily/include/beam.hh +++ b/lily/include/beam.hh @@ -1,102 +1,107 @@ /* - beam.hh -- part of GNU LilyPond + This file is part of LilyPond, the GNU music typesetter. - source file of the LilyPond music typesetter - - (c) 1996--2005 Han-Wen Nienhuys + Copyright (C) 1996--2011 Han-Wen Nienhuys Jan Nieuwenhuizen + + LilyPond is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + LilyPond is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . */ #ifndef BEAM_HH #define BEAM_HH +#include "grob-interface.hh" +#include "std-vector.hh" #include "lily-proto.hh" -#include "lily-guile.hh" #include "stem-info.hh" -/* - TODO: move quanting in separate file. -*/ -struct Beam_quant_parameters +struct Beam_segment +{ + int vertical_count_; + Interval horizontal_; + Beam_segment (); +}; + +bool beam_segment_less (Beam_segment const &a, Beam_segment const &b); + +struct Beam_stem_segment { - Real INTER_QUANT_PENALTY; - Real SECONDARY_BEAM_DEMERIT; - Real STEM_LENGTH_DEMERIT_FACTOR; - Real REGION_SIZE; - - /* - threshold to combat rounding errors. - */ - Real BEAM_EPS; - - // possibly ridiculous, but too short stems just won't do - Real STEM_LENGTH_LIMIT_PENALTY; - Real DAMPING_DIRECTION_PENALTY; - Real MUSICAL_DIRECTION_FACTOR; - Real IDEAL_SLOPE_FACTOR; - Real ROUND_TO_ZERO_SLOPE; - - void fill (Grob *him); + Beam_stem_segment (); + + Grob *stem_; + Real width_; + Real stem_x_; + int rank_; + vsize stem_index_; + bool gapped_; + Direction dir_; + int max_connect_; }; +bool operator <(Beam_stem_segment const &a, Beam_stem_segment const &b); + class Beam { public: - static int visible_stem_count (Grob *); - static Grob *first_visible_stem (Grob *); - static Grob *last_visible_stem (Grob *); - static bool has_interface (Grob *); + static int normal_stem_count (Grob *); + static Grob *first_normal_stem (Grob *); + static Grob *last_normal_stem (Grob *); + DECLARE_GROB_INTERFACE (); static void add_stem (Grob *, Grob *); + static bool is_cross_staff (Grob *); static bool is_knee (Grob *); - static void set_beaming (Grob *, Beaming_info_list const *); + static void set_beaming (Grob *, Beaming_pattern const *); static void set_stemlens (Grob *); static int get_beam_count (Grob *me); static Real get_beam_translation (Grob *me); - static Real get_thickness (Grob *me); + static Real get_beam_thickness (Grob *me); static void connect_beams (Grob *me); + static vector get_beam_segments (Grob *me_grob, Grob **common); + static Interval no_visible_stem_positions (Grob *me, Interval default_value); - DECLARE_SCHEME_CALLBACK (rest_collision_callback, (SCM element, SCM axis)); + DECLARE_SCHEME_CALLBACK (rest_collision_callback, (SCM element, SCM prev_off)); + DECLARE_SCHEME_CALLBACK (pure_rest_collision_callback, (SCM element, SCM prev_off, SCM, SCM)); DECLARE_SCHEME_CALLBACK (print, (SCM)); + DECLARE_SCHEME_CALLBACK (calc_beaming, (SCM)); + DECLARE_SCHEME_CALLBACK (calc_stem_shorten, (SCM)); DECLARE_SCHEME_CALLBACK (calc_direction, (SCM)); DECLARE_SCHEME_CALLBACK (calc_positions, (SCM)); DECLARE_SCHEME_CALLBACK (calc_least_squares_positions, (SCM, SCM)); + DECLARE_SCHEME_CALLBACK (calc_normal_stems, (SCM)); DECLARE_SCHEME_CALLBACK (calc_concaveness, (SCM)); + DECLARE_SCHEME_CALLBACK (set_stem_lengths, (SCM)); + DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM)); /* position callbacks */ DECLARE_SCHEME_CALLBACK (shift_region_to_valid, (SCM, SCM)); DECLARE_SCHEME_CALLBACK (slope_damping, (SCM, SCM)); DECLARE_SCHEME_CALLBACK (quanting, (SCM, SCM)); - DECLARE_SCHEME_CALLBACK (set_stem_lengths, (SCM,SCM)); - -static Real score_slopes_dy (Real, Real, Real, Real, Real, bool, Beam_quant_parameters const *); - - 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, Beam_quant_parameters const *); - static Real score_forbidden_quants (Real, Real, - Real, Real, Real, Real, - Drul_array, Direction, Direction, - Beam_quant_parameters const *); static int get_direction_beam_count (Grob *me, Direction d); + private: + friend class Beam_scoring_problem; + 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 int forced_stem_count (Grob *); + static Real calc_stem_y (Grob *, Grob *s, Grob **c, + Real, Real, Direction, + Drul_array pos, bool french); }; -#ifndef NDEBUG -#define DEBUG_QUANTING 1 -#endif - #endif /* BEAM_HH */