2 plet-spanner.cc -- implement Tuplet_spanner
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Jan Nieuwenhuizen <janneke@gnu.org>
9 todo: handle breaking elegantly.
16 #include "molecule.hh"
18 #include "paper-def.hh"
19 #include "tuplet-spanner.hh"
22 #include "note-column.hh"
24 Tuplet_spanner::Tuplet_spanner ()
27 bracket_visibility_b_ = true;
28 num_visibility_b_ = true;
32 Tuplet_spanner::do_brew_molecule_p () const
34 Molecule* mol_p = new Molecule;
36 if (column_arr_.size ()){
37 Real ncw = column_arr_.top ()->extent (X_AXIS).length ();
38 Molecule num (lookup_l ()->text ("italic",
41 if (beam_l_ && !bracket_visibility_b_)
43 Directional_spanner* ds = dynamic_cast<Directional_spanner*>(beam_l_);
44 num.translate (ds->center ());
45 num.translate_axis (ncw, X_AXIS);
48 if (bracket_visibility_b_)
50 Real dy = column_arr_.top ()->extent (Y_AXIS) [dir_]
51 - column_arr_[0]->extent (Y_AXIS) [dir_];
52 Real w = extent (X_AXIS).length () + ncw;
54 num.translate (Offset (w/2, dy/2));
55 mol_p->add_molecule (lookup_l ()->plet (dy, w, dir_));
58 if (num_visibility_b_)
59 mol_p->add_molecule (num);
65 Tuplet_spanner::do_add_processing ()
67 if (column_arr_.size ())
69 set_bounds (LEFT, column_arr_[0]);
70 set_bounds (RIGHT, column_arr_.top ());
75 Tuplet_spanner::do_post_processing ()
77 if (column_arr_.size())
78 translate_axis (column_arr_[0]->extent (Y_AXIS)[dir_], Y_AXIS);
80 if (!broken_b () && beam_l_
81 && spanned_drul_[LEFT]->column_l () == beam_l_->spanned_drul_[LEFT]->column_l ()
82 && spanned_drul_[RIGHT]->column_l () == beam_l_->spanned_drul_[RIGHT]->column_l ())
83 bracket_visibility_b_ = false;
85 if (column_arr_.size () == 1)
86 bracket_visibility_b_ = false;
90 Tuplet_spanner::do_substitute_element_pointer (Score_element* o, Score_element* n)
92 if (Note_column *onc = dynamic_cast <Note_column *> (o))
93 column_arr_.substitute (onc, dynamic_cast<Note_column*> (n));
94 else if (o == beam_l_)
96 beam_l_ = dynamic_cast<Beam*> (n);
101 Tuplet_spanner::set_default_dir ()
104 for (int i=0; i < column_arr_.size (); i ++)
106 if (column_arr_[i]->dir_ < 0)
115 Tuplet_spanner::set_beam (Beam *b)
123 Tuplet_spanner::add_column (Note_column*n)
125 column_arr_.push (n);