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"
14 #include "paper-column.hh"
15 #include "paper-def.hh"
16 #include "tuplet-spanner.hh"
18 #include "note-column.hh"
19 #include "dimensions.hh"
22 Tuplet_spanner::Tuplet_spanner ()
27 parallel_beam_b_ = false;
34 Tuplet_spanner::do_brew_molecule_p () const
36 Molecule* mol_p = new Molecule;
38 // Default behaviour: number always, bracket when no beam!
39 bool bracket_visibility = !parallel_beam_b_;
40 bool number_visibility = true;
41 SCM visibility_sym =get_elt_property ("tuplet-visibility");
42 if (visibility_sym != SCM_UNDEFINED)
51 2 show (number and bracket)-if-no-beam
52 3 show number, and bracket-if-no-beam
53 4 show number, and bracket
55 int value = gh_scm2int ((visibility_sym));
56 bracket_visibility = (value == 4 || (value > 1 && !parallel_beam_b_));
57 number_visibility = (value > 2 || value == 1 ||
58 (value == 2 && !parallel_beam_b_));
61 if (column_arr_.size ()){
62 Real ncw = column_arr_.top ()->extent (X_AXIS).length ();
63 Real w = extent (X_AXIS).length () + ncw;
64 Molecule num (lookup_l ()->text ("italic",
65 number_str_, paper_l ()));
66 num.align_to (X_AXIS, CENTER);
67 num.translate_axis (w/2, X_AXIS);
68 Real interline = paper_l ()->get_var ("interline");
69 Real dy = column_arr_.top ()->extent (Y_AXIS) [get_direction ()]
70 - column_arr_[0]->extent (Y_AXIS) [get_direction ()];
71 num.align_to (Y_AXIS, CENTER);
72 num.translate_axis (get_direction () * interline, Y_AXIS);
74 num.translate_axis (dy/2, Y_AXIS);
76 Real thick = paper_l ()->get_var ("tuplet_thick");
77 if (bracket_visibility)
79 Real gap = paper_l () -> get_var ("tuplet_spanner_gap");
81 mol_p->add_molecule (lookup_l ()->tuplet_bracket (dy, w, thick, gap, interline, get_direction ()));
84 if (number_visibility)
86 mol_p->add_molecule (num);
88 mol_p->translate_axis (get_direction () * interline, Y_AXIS);
94 Tuplet_spanner::do_add_processing ()
96 if (column_arr_.size ())
98 set_bounds (LEFT, column_arr_[0]);
99 set_bounds (RIGHT, column_arr_.top ());
104 Tuplet_spanner::do_post_processing ()
106 if (column_arr_.size())
107 translate_axis (column_arr_[0]->extent (Y_AXIS)[get_direction ()], Y_AXIS);
109 if (beam_l_arr_.size () == 1)
111 Beam * beam_l = beam_l_arr_[0];
113 && spanned_drul_[LEFT]->column_l () == beam_l->spanned_drul_[LEFT]->column_l ()
114 && spanned_drul_[RIGHT]->column_l () == beam_l->spanned_drul_[RIGHT]->column_l ())
115 parallel_beam_b_ = true;
118 // if (column_arr_.size () == 1)
119 // bracket_visibility_b_ = false;
123 Tuplet_spanner::do_substitute_element_pointer (Score_element* o, Score_element* n)
125 if (Note_column *onc = dynamic_cast <Note_column *> (o))
126 column_arr_.substitute (onc, dynamic_cast<Note_column*> (n));
127 else if (Beam * b = dynamic_cast<Beam* > (o))
129 beam_l_arr_.substitute (b, dynamic_cast<Beam*> (n));
134 Tuplet_spanner::get_default_dir () const
137 SCM dir_sym =get_elt_property ("dir-forced");
138 if (dir_sym != SCM_UNDEFINED) {
139 d= (Direction) gh_scm2int (dir_sym);
144 for (int i=0; i < column_arr_.size (); i ++)
146 if (column_arr_[i]->dir () < 0)
156 Tuplet_spanner::add_beam (Beam *b)
159 beam_l_arr_.push (b);
163 Tuplet_spanner::add_column (Note_column*n)
165 column_arr_.push (n);