- /// flagtype? 4 none, 8 8th flag, 0 = beam.
- int flag_i_;
-
- int beams_left_i_;
- int beams_right_i_;
-
- /// false if in beam
- bool print_flag_b_;
-
- Direction dir_;
-
-
- /* *************** */
- Stem ();
-
- /// ensure that this Stem also encompasses the Notehead #n#
- void add (Note_head*n);
-
- DECLARE_MY_RUNTIME_TYPEINFO;
-
- Real hpos_f() const;
-
- void do_print() const;
- void set_stemend (Real);
- Direction get_default_dir();
- int get_center_distance_from_top();
- int get_center_distance_from_bottom();
- 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_start_f() const;
-
- bool invisible_b() const;
-
- /// heads that the stem encompasses (positions)
- int max_head_i() const;
- int min_head_i() const;
-protected:
- virtual void do_substitute_dependency (Score_elem*,Score_elem*);
- virtual void do_pre_processing();
- virtual Interval do_width() const;
- Molecule* brew_molecule_p() const;
+ static Array<int> note_head_positions (Grob *);
+ 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 Direction get_direction (Grob *);
+ static void set_stemend (Grob *, Real);
+ static Direction get_default_dir (Grob *);
+ static Slice beam_multiplicity (Grob *);
+ static Real thickness (Grob *);
+ static int head_count (Grob *);
+ static bool is_invisible (Grob *);
+ static Interval head_positions (Grob *);
+ static Real get_default_stem_end_position (Grob *me);
+ static void position_noteheads (Grob *);
+ static Real stem_end_position (Grob *);
+ static Stencil flag (Grob *);
+ static Stencil get_translated_flag (Grob*);
+ static bool has_interface (Grob *);
+ static void set_spacing_hints (Grob *);
+
+ DECLARE_SCHEME_CALLBACK (print, (SCM));
+ DECLARE_SCHEME_CALLBACK (offset_callback, (SCM element, SCM axis));
+ DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM));
+ DECLARE_SCHEME_CALLBACK (width_callback, (SCM smob, SCM axis));
+ DECLARE_SCHEME_CALLBACK (height, (SCM, SCM));
+
+private:
+ static void calc_stem_info (Grob *);