/*
- 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"
-#include "staff-symbol-referencer.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.
-
- elt properties:
-
- beam_dir: direction of the beam (int)
-
- dir_force: is direction explicitely specified? (bool)
-
- /// how many abbrev beam don't reach stem?
- int beam_gap_i_;
+ 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 <http://www.gnu.org/licenses/>.
+*/
-
- */
-// todo: remove baseclass Staff_symbol_referencer, since stem
-// can be across a staff.
-class Stem : public Item, public Staff_symbol_referencer {
+#ifndef STEM_HH
+#define STEM_HH
- /**extent of the stem (positions).
- fractional, since Beam has to adapt them.
- */
- Drul_array<Real> yextent_drul_;
+#include "std-vector.hh"
+#include "lily-proto.hh"
+#include "stem-info.hh"
+#include "grob-interface.hh"
- Link_array<Note_head> head_l_arr_;
- Link_array<Rest> rest_l_arr_;
-
+class Stem
+{
public:
- /// 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_;
-
- Drul_array<int> beams_i_drul_;
-
- /// direction stem (that's me)
- Direction dir_;
-
-
- 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<int> head_positions() const;
- virtual ~Stem ();
-protected:
- virtual void do_substitute_element_pointer (Score_element*,Score_element*);
- virtual void do_pre_processing();
- virtual Interval do_width() const;
- virtual Molecule* do_brew_molecule_p() const;
+ static vector<int> 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<Grob *> 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
projects / lilypond.git / blobdiff