/*
stem.hh -- declare Stem
- (c) 1996,97 Han-Wen Nienhuys
+ (c) 1996--2008 Han-Wen Nienhuys
*/
#ifndef STEM_HH
#define STEM_HH
-#include "item.hh"
-#include "varray.hh"
-#include "moment.hh"
+#include "std-vector.hh"
+#include "lily-proto.hh"
+#include "stem-info.hh"
+#include "grob-interface.hh"
-/**the rule attached to the ball.
- takes care of:
-
- \begin{itemize}
- \item the rule
- \item the flag
- \item up/down position.
- \end{itemize}
-
- should move beam_{left, right} into Beam
-
- TODO.
-
- Stem size depends on flag.
- */
-class Stem : public Item {
-
- Real stem_bottom_f_, stem_top_f_;
-
-
- /// needed for determining direction/length
- int staff_size_i_;
-
- /**extent of the stem (positions).
- fractional, since Beam has to adapt them.
- */
-
-
- /**
- geen gedonder, jij gaat onder.
- -1 stem points down, +1: stem points up
- */
- Real stem_xoffset_f_;
- /**
- store the wholes (for vapourware tremolo)
- */
- Link_array<Note_head> whole_l_arr_;
- Link_array<Note_head> head_l_arr_;
- Link_array<Note_head> rest_l_arr_;
-
+class Stem
+{
public:
- /// 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_;
-
- int dir_i_;
-
-
- /* *************** */
- Stem(int staff_size_i);
-
- /// ensure that this Stem also encompasses the Notehead #n#
- void add(Note_head*n);
-
- NAME_MEMBERS();
-
- Real hpos_f()const;
-
- void do_print() const;
- void set_stemend(Real);
- int 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 vector<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 void set_stemend (Grob *, Real);
+ static Slice beam_multiplicity (Grob *);
+ static Direction get_default_dir (Grob*);
+ static Real thickness (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 Real stem_end_position (Grob *);
+ static Stencil flag (Grob *);
+ static Stencil get_translated_flag (Grob*);
+ DECLARE_GROB_INTERFACE();
+ static void set_spacing_hints (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 (calc_stem_end_position, (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));
+ DECLARE_SCHEME_CALLBACK (calc_flag, (SCM));
};
#endif