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 ()){
44 Real dx = paper ()->internote_f ();
45 Real w = width ().length () - 2 * dx;
46 Real dy = column_arr_.top ()->extent (Y_AXIS) [dir_] >
47 column_arr_[0]->extent (Y_AXIS) [dir_];
50 Atom num (number_p_->get_atom (paper (), LEFT));
51 Atom dot (dot_p_->get_atom (paper (), LEFT));
52 Real gap = num.dim_.x ().length () / 2;
53 Offset off (num.dim_.x ().length () + gap,
54 num.dim_.y ().length () - 4 - gap / paper ()->internote_f ());
56 off -= Offset (0, num.dim_.y ().length () + gap / paper ()->internote_f ());
59 mol_p->add_atom (num);
60 mol_p->add_atom (dot);
61 mol_p->add_atom (lookup_l ()->volta (w, last_b_));
62 mol_p->translate (Offset (dx, dy));
68 Volta_spanner::do_add_processing ()
70 if (column_arr_.size ())
72 set_bounds (LEFT, column_arr_[0]);
73 set_bounds (RIGHT, column_arr_.top ());
75 number_p_->style_str_ = "number-1";
76 dot_p_->text_str_ = ".";
77 dot_p_->style_str_ = "bold";
81 Volta_spanner::do_post_processing ()
83 if (column_arr_.size())
84 translate_axis (column_arr_[0]->extent (Y_AXIS)[dir_], Y_AXIS);
88 Volta_spanner::do_substitute_dependency (Score_element* o, Score_element* n)
90 // if (Note_column* c = dynamic_cast <Note_column*> (o))
91 // column_arr_.substitute (c, dynamic_cast<Note_column*> (n));
92 if (Bar* c = dynamic_cast <Bar*> (o))
93 column_arr_.substitute (c, dynamic_cast<Bar*> (n));
97 //Volta_spanner::add_column (Note_column* c)
98 Volta_spanner::add_column (Bar* c)
100 column_arr_.push (c);