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"
24 Hmm, should probably make generic Bracket_spanner,
25 or and derive Plet and volta spanner from that.
28 Volta_spanner::Volta_spanner ()
32 number_p_.set_p (new Text_def);
33 number_p_->align_dir_ = LEFT;
34 dot_p_.set_p (new Text_def);
35 dot_p_->align_dir_ = LEFT;
39 Volta_spanner::brew_molecule_p () const
41 Molecule* mol_p = new Molecule;
43 if (column_arr_.size ())
45 Real internote_f = paper ()->internote_f ();
46 Real dx = internote_f;
47 Real w = width ().length () - 2 * dx;
48 Atom volta (lookup_l ()->volta (w, last_b_));
49 Real h = volta.dim_.y ().length ();
50 Atom num (number_p_->get_atom (paper (), LEFT));
51 Atom dot (dot_p_->get_atom (paper (), LEFT));
52 Real dy = column_arr_.top ()->extent (Y_AXIS) [dir_] >
53 column_arr_[0]->extent (Y_AXIS) [dir_];
55 for (int i = 0; i < note_column_arr_.size (); i++)
56 dy = dy >? note_column_arr_[i]->height ().max ();
59 Real gap = num.dim_.x ().length () / 2;
60 Offset off (num.dim_.x ().length () + gap,
61 (h - num.dim_.y ().length ()) / internote_f - gap);
63 Real dotheight = dot.dim_.y ().length () / 7;
64 off -= Offset (0, dotheight);
66 mol_p->add_atom (volta);
67 mol_p->add_atom (num);
68 mol_p->add_atom (dot);
69 mol_p->translate (Offset (dx, dy));
75 Volta_spanner::do_add_processing ()
77 if (column_arr_.size ())
79 set_bounds (LEFT, column_arr_[0]);
80 set_bounds (RIGHT, column_arr_.top ());
82 number_p_->style_str_ = "number-1";
83 dot_p_->text_str_ = ".";
84 dot_p_->style_str_ = "bold";
88 Volta_spanner::do_post_processing ()
90 if (column_arr_.size())
91 translate_axis (column_arr_[0]->extent (Y_AXIS)[dir_], Y_AXIS);
95 Volta_spanner::do_substitute_dependency (Score_element* o, Score_element* n)
97 if (Note_column* c = dynamic_cast <Note_column*> (o))
98 note_column_arr_.substitute (c, dynamic_cast<Note_column*> (n));
99 else if (Bar* c = dynamic_cast <Bar*> (o))
100 column_arr_.substitute (c, dynamic_cast<Bar*> (n));
104 Volta_spanner::add_column (Bar* c)
106 column_arr_.push (c);
111 Volta_spanner::add_column (Note_column* c)
113 note_column_arr_.push (c);