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 Real interline = paper_l ()->get_realvar (interline_scm_sym);
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);
46 num.translate_axis (dir_ * interline, Y_AXIS);
47 num.translate (ds->center ());
48 num.translate_axis (ncw, X_AXIS);
51 if (bracket_visibility_b_)
53 Real dy = column_arr_.top ()->extent (Y_AXIS) [dir_]
54 - column_arr_[0]->extent (Y_AXIS) [dir_];
55 Real w = extent (X_AXIS).length () + ncw;
56 num.align_to (Y_AXIS, CENTER);
57 num.translate_axis (dir_ * interline, Y_AXIS);
59 num.translate (Offset (w/2, dy/2));
60 mol_p->add_molecule (lookup_l ()->plet (dy, w, dir_));
63 if (num_visibility_b_)
65 mol_p->add_molecule (num);
67 mol_p->translate_axis (dir_ * interline, Y_AXIS);
73 Tuplet_spanner::do_add_processing ()
75 if (column_arr_.size ())
77 set_bounds (LEFT, column_arr_[0]);
78 set_bounds (RIGHT, column_arr_.top ());
83 Tuplet_spanner::do_post_processing ()
85 if (column_arr_.size())
86 translate_axis (column_arr_[0]->extent (Y_AXIS)[dir_], Y_AXIS);
88 if (beam_l_arr_.size () == 1)
90 Beam * beam_l = beam_l_arr_[0];
92 && spanned_drul_[LEFT]->column_l () == beam_l->spanned_drul_[LEFT]->column_l ()
93 && spanned_drul_[RIGHT]->column_l () == beam_l->spanned_drul_[RIGHT]->column_l ())
94 bracket_visibility_b_ = false;
97 if (column_arr_.size () == 1)
98 bracket_visibility_b_ = false;
102 Tuplet_spanner::do_substitute_element_pointer (Score_element* o, Score_element* n)
104 if (Note_column *onc = dynamic_cast <Note_column *> (o))
105 column_arr_.substitute (onc, dynamic_cast<Note_column*> (n));
106 else if (Beam * b = dynamic_cast<Beam* > (o))
108 beam_l_arr_.substitute (b, dynamic_cast<Beam*> (n));
113 Tuplet_spanner::get_default_dir () const
116 for (int i=0; i < column_arr_.size (); i ++)
118 if (column_arr_[i]->dir () < 0)
128 Tuplet_spanner::add_beam (Beam *b)
131 beam_l_arr_.push (b);
135 Tuplet_spanner::add_column (Note_column*n)
137 column_arr_.push (n);