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>
13 #include "molecule.hh"
15 #include "paper-def.hh"
16 #include "tuplet-spanner.hh"
18 #include "note-column.hh"
20 Tuplet_spanner::Tuplet_spanner ()
22 bracket_visibility_b_ = true;
23 num_visibility_b_ = true;
27 TODO. We should control the gap for lookup from here.
30 Tuplet_spanner::do_brew_molecule_p () const
32 Molecule* mol_p = new Molecule;
34 if (column_arr_.size ()){
35 Real ncw = column_arr_.top ()->extent (X_AXIS).length ();
36 Molecule num (lookup_l ()->text ("italic",
38 num.align_to (X_AXIS, CENTER);
39 num.translate_axis (dir_ * paper_l ()->get_realvar (interline_scm_sym), Y_AXIS);
41 if (beam_l_arr_.size () == 1 && !bracket_visibility_b_)
43 Beam *beam_l = beam_l_arr_[0];
44 Directional_spanner* ds = dynamic_cast<Directional_spanner*>(beam_l);
45 num.translate (ds->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 = extent (X_AXIS).length () + ncw;
54 // num.align_to (Y_AXIS, CENTER);
55 num.translate (Offset (w/2, dy/2));
56 mol_p->add_molecule (lookup_l ()->plet (dy, w, dir_));
59 if (num_visibility_b_)
61 mol_p->add_molecule (num);
68 Tuplet_spanner::do_add_processing ()
70 if (column_arr_.size ())
72 set_bounds (LEFT, column_arr_[0]);
73 set_bounds (RIGHT, column_arr_.top ());
78 Tuplet_spanner::do_post_processing ()
80 if (column_arr_.size())
81 translate_axis (column_arr_[0]->extent (Y_AXIS)[dir_], Y_AXIS);
83 if (beam_l_arr_.size () == 1)
85 Beam * beam_l = beam_l_arr_[0];
87 && spanned_drul_[LEFT]->column_l () == beam_l->spanned_drul_[LEFT]->column_l ()
88 && spanned_drul_[RIGHT]->column_l () == beam_l->spanned_drul_[RIGHT]->column_l ())
89 bracket_visibility_b_ = false;
92 if (column_arr_.size () == 1)
93 bracket_visibility_b_ = false;
97 Tuplet_spanner::do_substitute_element_pointer (Score_element* o, Score_element* n)
99 if (Note_column *onc = dynamic_cast <Note_column *> (o))
100 column_arr_.substitute (onc, dynamic_cast<Note_column*> (n));
101 else if (Beam * b = dynamic_cast<Beam* > (o))
103 beam_l_arr_.substitute (b, dynamic_cast<Beam*> (n));
108 Tuplet_spanner::get_default_dir () const
111 for (int i=0; i < column_arr_.size (); i ++)
113 if (column_arr_[i]->dir () < 0)
123 Tuplet_spanner::add_beam (Beam *b)
126 beam_l_arr_.push (b);
130 Tuplet_spanner::add_column (Note_column*n)
132 column_arr_.push (n);