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 ()
24 parallel_beam_b_ = false;
31 Tuplet_spanner::do_brew_molecule_p () const
33 Molecule* mol_p = new Molecule;
35 // Default behaviour: number always, bracket when no beam!
36 bool bracket_visibility = !parallel_beam_b_;
37 bool number_visibility = true;
38 SCM visibility_sym =get_elt_property ("tuplet-visibility");
39 if (visibility_sym != SCM_UNDEFINED)
48 2 show (number and bracket)-if-no-beam
49 3 show number, and bracket-if-no-beam
50 4 show number, and bracket
52 int value = gh_scm2int ((visibility_sym));
53 bracket_visibility = (value == 4 || (value > 1 && !parallel_beam_b_));
54 number_visibility = (value > 2 || value == 1 ||
55 (value == 2 && !parallel_beam_b_));
58 if (column_arr_.size ()){
59 Real ncw = column_arr_.top ()->extent (X_AXIS).length ();
60 Real w = extent (X_AXIS).length () + ncw;
61 Molecule num (lookup_l ()->text ("italic",
62 number_str_, paper_l ()));
63 num.align_to (X_AXIS, CENTER);
64 num.translate_axis (w/2, X_AXIS);
65 Real interline = paper_l ()->get_var ("interline");
66 Real dy = column_arr_.top ()->extent (Y_AXIS) [dir_]
67 - column_arr_[0]->extent (Y_AXIS) [dir_];
68 num.align_to (Y_AXIS, CENTER);
69 num.translate_axis (dir_ * interline, Y_AXIS);
71 num.translate_axis (dy/2, Y_AXIS);
73 Real thick = paper_l ()->get_var ("tuplet_thick");
74 if (bracket_visibility)
76 Real gap = paper_l () -> get_var ("tuplet_spanner_gap");
78 mol_p->add_molecule (lookup_l ()->tuplet_bracket (dy, w, thick, gap, interline, dir_));
81 if (number_visibility)
83 mol_p->add_molecule (num);
85 mol_p->translate_axis (dir_ * interline, Y_AXIS);
91 Tuplet_spanner::do_add_processing ()
93 if (column_arr_.size ())
95 set_bounds (LEFT, column_arr_[0]);
96 set_bounds (RIGHT, column_arr_.top ());
101 Tuplet_spanner::do_post_processing ()
103 if (column_arr_.size())
104 translate_axis (column_arr_[0]->extent (Y_AXIS)[dir_], Y_AXIS);
106 if (beam_l_arr_.size () == 1)
108 Beam * beam_l = beam_l_arr_[0];
110 && spanned_drul_[LEFT]->column_l () == beam_l->spanned_drul_[LEFT]->column_l ()
111 && spanned_drul_[RIGHT]->column_l () == beam_l->spanned_drul_[RIGHT]->column_l ())
112 parallel_beam_b_ = true;
115 // if (column_arr_.size () == 1)
116 // bracket_visibility_b_ = false;
120 Tuplet_spanner::do_substitute_element_pointer (Score_element* o, Score_element* n)
122 if (Note_column *onc = dynamic_cast <Note_column *> (o))
123 column_arr_.substitute (onc, dynamic_cast<Note_column*> (n));
124 else if (Beam * b = dynamic_cast<Beam* > (o))
126 beam_l_arr_.substitute (b, dynamic_cast<Beam*> (n));
131 Tuplet_spanner::get_default_dir () const
134 SCM dir_sym =get_elt_property ("dir-forced");
135 if (dir_sym != SCM_UNDEFINED) {
136 d= (Direction) gh_scm2int (dir_sym);
141 for (int i=0; i < column_arr_.size (); i ++)
143 if (column_arr_[i]->dir () < 0)
153 Tuplet_spanner::add_beam (Beam *b)
156 beam_l_arr_.push (b);
160 Tuplet_spanner::add_column (Note_column*n)
162 column_arr_.push (n);