X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fstem.hh;h=d1060f432bf8f31217098074d14bb64107f482b6;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=836ed7a2206daf183e0e0a0d01f5065070bafaf2;hpb=8aad615ea7bb31f49a0c2afc21eea5ff5de20437;p=lilypond.git diff --git a/lily/include/stem.hh b/lily/include/stem.hh index 836ed7a220..23ece790d2 100644 --- a/lily/include/stem.hh +++ b/lily/include/stem.hh @@ -1,124 +1,83 @@ /* - stem.hh -- declare Stem + This file is part of LilyPond, the GNU music typesetter. - (c) 1996--1999 Han-Wen Nienhuys -*/ - -#ifndef STEM_HH -#define STEM_HH -#include "item.hh" -#include "array.hh" -#include "moment.hh" -#include "molecule.hh" - - -/**the rule attached to the ball. - takes care of: - - \begin{itemize} - \item the rule - \item the flag - \item up/down position. - \end{itemize} + Copyright (C) 1996--2015 Han-Wen Nienhuys - should move beam_{left, right} into Beam + 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. - TODO. - - Stem size depends on flag. - */ -class Stem : public Item { + 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. - - Drul_array yextent_drul_; - - /// needed for determining direction/length - int staff_size_i_; - - /**extent of the stem (positions). - fractional, since Beam has to adapt them. - */ + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . +*/ +#ifndef STEM_HH +#define STEM_HH - /** - geen gedonder, jij gaat onder. - -1 stem points down, +1: stem points up - */ - Direction stem_xdir_; +#include "std-vector.hh" +#include "lily-proto.hh" +#include "stem-info.hh" +#include "grob-interface.hh" - Link_array head_l_arr_; - Link_array rest_l_arr_; - +class Stem +{ public: - /// how many abbrev beam don't reach stem? - int beam_gap_i_; - - /// log of the duration. Eg. 4 -> 16th note -> 2 flags - int flag_i_; - - /** - don't print flag when in beam. - our beam, for aligning abbrev flags - */ - Beam* beam_l_; - - /// our slur (urg) - Slur* slur_l_; - - Drul_array beams_i_drul_; - - /// maximum number of beams - int mult_i_; - - /// direction stem (that's me) - Direction dir_; - - /// is direction explicitely specified? - bool dir_forced_b_; - - /// direction of the beam - Direction beam_dir_; - - /// what staff am i on? - Staff_symbol* staff_sym_l_; - - Stem (); - - /// ensure that this Stem also encompasses the Notehead #n# - void add_head (Rhythmic_head*n); - - - - Real hpos_f () const; - Real chord_start_f () const; - - int type_i () const; - - void do_print() const; - void set_stemend (Real); - Direction get_default_dir() const; - Direction get_dir () const; - - int get_center_distance(Direction) const; - void set_default_dir(); - void set_default_stemlen(); - void set_default_extents(); - void set_noteheads(); - - Real stem_length_f() const; - Real stem_end_f() const; - Real stem_begin_f() const; - Real note_delta_f () const; - - bool invisible_b() const; - - /// heads that the stem encompasses (positions) - Interval_t head_positions() const; - virtual ~Stem (); -protected: - virtual void do_substitute_dependency (Score_element*,Score_element*); - virtual void do_pre_processing(); - virtual Interval do_width() const; - virtual Molecule* do_brew_molecule_p() const; + static vector note_head_positions (Grob *, bool filter = false); + static int duration_log (Grob *); + static void set_beaming (Grob *, int, Direction d); + static int get_beaming (Grob *, Direction d); + static Spanner *get_beam (Grob *); + static Grob *first_head (Grob *); + static Grob *last_head (Grob *); + static Drul_array extremal_heads (Grob *); + static Grob *support_head (Grob *); + static void add_head (Grob *me, Grob *n); + static Stem_info get_stem_info (Grob *); + static Real chord_start_y (Grob *); + static void set_stem_positions (Grob *, Real); + static void cache_pure_height (Grob *, Interval, Interval); + static Slice beam_multiplicity (Grob *); + static Direction get_default_dir (Grob *); + static Real thickness (Grob *); + static Real beam_end_corrective (Grob *); + static int head_count (Grob *); + static bool is_invisible (Grob *); + static bool is_normal_stem (Grob *); + static bool is_cross_staff (Grob *); + static Interval head_positions (Grob *); + static Interval internal_pure_height (Grob *, bool); + static Interval internal_height (Grob *, bool); + static bool is_valid_stem (Grob *); + static Grob *get_reference_head (Grob *); + static Real internal_calc_stem_end_position (Grob *, bool); + static Real internal_calc_stem_begin_position (Grob *, bool); + + DECLARE_GROB_INTERFACE (); + static void set_spacing_hints (Grob *); + static Grob *flag (Grob *); + + DECLARE_SCHEME_CALLBACK (print, (SCM)); + DECLARE_SCHEME_CALLBACK (calc_default_direction, (SCM)); + DECLARE_SCHEME_CALLBACK (offset_callback, (SCM element)); + DECLARE_SCHEME_CALLBACK (calc_direction, (SCM)); + DECLARE_SCHEME_CALLBACK (calc_beaming, (SCM)); + DECLARE_SCHEME_CALLBACK (calc_length, (SCM)); + DECLARE_SCHEME_CALLBACK (pure_calc_length, (SCM, SCM, SCM)); + DECLARE_SCHEME_CALLBACK (calc_stem_begin_position, (SCM)); + DECLARE_SCHEME_CALLBACK (pure_calc_stem_begin_position, (SCM, SCM, SCM)); + DECLARE_SCHEME_CALLBACK (calc_stem_end_position, (SCM)); + DECLARE_SCHEME_CALLBACK (pure_calc_stem_end_position, (SCM, SCM, SCM)); + DECLARE_SCHEME_CALLBACK (calc_stem_info, (SCM)); + DECLARE_SCHEME_CALLBACK (calc_positioning_done, (SCM)); + DECLARE_SCHEME_CALLBACK (width, (SCM smob)); + DECLARE_SCHEME_CALLBACK (pure_height, (SCM, SCM, SCM)); + DECLARE_SCHEME_CALLBACK (height, (SCM)); + DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM)); }; #endif