2 stem.hh -- declare Stem
4 (c) 1996,97 Han-Wen Nienhuys
12 #include "molecule.hh"
15 /**the rule attached to the ball.
21 \item up/down position.
24 should move beam_{left, right} into Beam
28 Stem size depends on flag.
30 class Stem : public Item {
32 Molecule abbrev_mol () const;
34 Real stem_bottom_f_, stem_top_f_;
36 /// needed for determining direction/length
39 /**extent of the stem (positions).
40 fractional, since Beam has to adapt them.
45 geen gedonder, jij gaat onder.
46 -1 stem points down, +1: stem points up
50 Link_array<Note_head> head_l_arr_;
51 Link_array<Rest> rest_l_arr_;
54 /// abbrev flag? + count
57 /// how many abbrev beam don't reach stem?
60 /// log of the duration. Eg. 4 -> 16th note -> 2 flags
64 don't print flag when in beam.
65 our beam, for aligning abbrev flags
77 /// ensure that this Stem also encompasses the Notehead #n#
78 void add (Note_head*n);
81 DECLARE_MY_RUNTIME_TYPEINFO;
87 void do_print() const;
88 void set_stemend (Real);
89 Direction get_default_dir();
90 int get_center_distance_from_top();
91 int get_center_distance_from_bottom();
92 void set_default_dir();
93 void set_default_stemlen();
94 void set_default_extents();
97 Real stem_length_f() const;
98 Real stem_end_f() const;
99 Real stem_start_f() const;
101 bool invisible_b() const;
103 /// heads that the stem encompasses (positions)
104 int max_head_i() const;
105 int min_head_i() const;
107 virtual void do_substitute_dependency (Score_elem*,Score_elem*);
108 virtual void do_pre_processing();
109 virtual Interval do_width() const;
110 Molecule* brew_molecule_p() const;