2 volta-spanner.cc -- implement Volta_spanner
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1998 Jan Nieuwenhuizen <janneke@gnu.org>
13 #include "molecule.hh"
14 #include "note-column.hh"
15 #include "p-col.hh" // urg
18 #include "paper-def.hh"
19 #include "volta-spanner.hh"
21 #include "text-def.hh"
23 Volta_spanner::Volta_spanner ()
26 number_p_.set_p (new Text_def);
27 number_p_->align_dir_ = LEFT;
28 dot_p_.set_p (new Text_def);
29 dot_p_->align_dir_ = LEFT;
33 Volta_spanner::do_brew_molecule_p () const
35 Molecule* mol_p = new Molecule;
37 if (!column_arr_.size ())
40 Real internote_f = paper ()->internote_f ();
41 Real dx = internote_f;
42 Real w = extent (X_AXIS).length () - 2 * dx;
43 Atom volta (lookup_l ()->volta (w, last_b_));
44 Real h = volta.dim_.y ().length ();
45 Atom num (number_p_->get_atom (paper (), LEFT));
46 Atom dot (dot_p_->get_atom (paper (), LEFT));
47 Real dy = column_arr_.top ()->extent (Y_AXIS) [UP] >
48 column_arr_[0]->extent (Y_AXIS) [UP];
52 UGH. Must use extent ()[dir_]
54 for (int i = 0; i < note_column_arr_.size (); i++)
55 dy = dy >? note_column_arr_[i]->extent (Y_AXIS).max ();
58 Real gap = num.dim_.x ().length () / 2;
59 Offset off (num.dim_.x ().length () + gap,
60 (h - num.dim_.y ().length ()) / internote_f - gap);
62 Real dotheight = dot.dim_.y ().length () / 7;
63 off -= Offset (0, dotheight);
65 mol_p->add_atom (volta);
66 mol_p->add_atom (num);
67 mol_p->add_atom (dot);
68 mol_p->translate (Offset (dx, dy));
73 Volta_spanner::do_add_processing ()
75 if (column_arr_.size ())
77 set_bounds (LEFT, column_arr_[0]);
78 set_bounds (RIGHT, column_arr_.top ());
80 number_p_->style_str_ = "number-1";
81 dot_p_->text_str_ = ".";
82 dot_p_->style_str_ = "bold";
86 Volta_spanner::do_post_processing ()
88 if (column_arr_.size())
89 translate_axis (column_arr_[0]->extent (Y_AXIS)[UP], Y_AXIS);
93 Volta_spanner::do_substitute_dependency (Score_element* o, Score_element* n)
95 if (Note_column* c = dynamic_cast <Note_column*> (o))
96 note_column_arr_.substitute (c, dynamic_cast<Note_column*> (n));
97 else if (Bar* c = dynamic_cast <Bar*> (o))
98 column_arr_.substitute (c, dynamic_cast<Bar*> (n));
102 Volta_spanner::add_column (Bar* c)
104 column_arr_.push (c);
109 Volta_spanner::add_column (Note_column* c)
111 note_column_arr_.push (c);