2 plet-spanner.cc -- implement Plet_spanner
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1998 Jan Nieuwenhuizen <janneke@gnu.org>
9 todo: handle breaking elegantly.
16 #include "molecule.hh"
18 #include "paper-def.hh"
19 #include "tuplet-spanner.hh"
21 #include "text-def.hh"
22 #include "note-column.hh"
24 Plet_spanner::Plet_spanner ()
26 bracket_visibility_b_ = true;
27 num_visibility_b_ = true;
29 tdef_p_.set_p(new Text_def);
30 tdef_p_->align_dir_ = CENTER;
31 tdef_p_->style_str_ = "italic";
35 Plet_spanner::brew_molecule_p () const
37 Molecule* mol_p = new Molecule;
39 if (column_arr_.size ()){
40 Real ncw = column_arr_.top ()->extent (X_AXIS).length ();
41 Atom num (tdef_p_->get_atom (paper (), CENTER));
43 if (beam_l_ && !bracket_visibility_b_)
45 num.translate (((Directional_spanner*)beam_l_)->center ());
46 num.translate_axis (ncw, X_AXIS);
49 if (bracket_visibility_b_)
51 Real dy = column_arr_.top ()->extent (Y_AXIS) [dir_]
52 - column_arr_[0]->extent (Y_AXIS) [dir_];
53 Real w = width ().length () + ncw;
55 num.translate (Offset (w/2, dy/2));
56 mol_p->add_atom (lookup_l ()->plet (dy, w, dir_));
59 if (num_visibility_b_)
60 mol_p->add_atom (num);
66 Plet_spanner::do_add_processing ()
68 if (column_arr_.size ())
70 set_bounds (LEFT, column_arr_[0]);
71 set_bounds (RIGHT, column_arr_.top ());
76 Plet_spanner::do_post_processing ()
78 if (column_arr_.size())
79 translate_axis (column_arr_[0]->extent (Y_AXIS)[dir_], Y_AXIS);
81 if (!broken_into_l_arr_.size () && beam_l_
82 && spanned_drul_[LEFT]->column_l () == beam_l_->spanned_drul_[LEFT]->column_l ()
83 && spanned_drul_[RIGHT]->column_l () == beam_l_->spanned_drul_[RIGHT]->column_l ())
84 bracket_visibility_b_ = false;
86 if (column_arr_.size () == 1)
87 bracket_visibility_b_ = false;
91 Plet_spanner::do_substitute_dependency (Score_element* o, Score_element* n)
93 if (Note_column *onc = dynamic_cast <Note_column *> (o))
94 column_arr_.substitute (onc, dynamic_cast<Note_column*> (n));
95 else if (Beam *b = dynamic_cast<Beam *> (o))
98 beam_l_ = dynamic_cast<Beam*> (n);
103 Plet_spanner::set_default_dir ()
106 for (int i=0; i < column_arr_.size (); i ++)
108 if (column_arr_[i]->dir_ < 0)
117 Plet_spanner::set_beam (Beam *b)
124 Plet_spanner::add_column (Note_column*n)
126 column_arr_.push (n);