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 parallel_beam_b_ = false;
26 TODO. We should control the gap for lookup from here.
29 Tuplet_spanner::do_brew_molecule_p () const
31 Molecule* mol_p = new Molecule;
33 // Default behaviour: number always, bracket when no beam!
34 bool bracket_visibility = !parallel_beam_b_;
35 bool number_visibility = true;
36 SCM visibility_sym =get_elt_property (tuplet_visibility_scm_sym);
37 if (visibility_sym != SCM_BOOL_F)
42 2 show (number and bracket)-if-no-beam
43 3 show number, and bracket-if-no-beam
44 4 show number, and bracket
46 int value = gh_scm2int (SCM_CDR(visibility_sym));
47 bracket_visibility = (value == 4 || (value > 1 && !parallel_beam_b_));
48 number_visibility = (value > 2 || value == 1 ||
49 (value == 2 && !parallel_beam_b_));
52 if (column_arr_.size ()){
53 Real ncw = column_arr_.top ()->extent (X_AXIS).length ();
54 Real w = extent (X_AXIS).length () + ncw;
55 Molecule num (lookup_l ()->text ("italic",
57 num.align_to (X_AXIS, CENTER);
58 num.translate_axis (w/2, X_AXIS);
59 Real interline = paper_l ()->get_realvar (interline_scm_sym);
60 Real dy = column_arr_.top ()->extent (Y_AXIS) [dir_]
61 - column_arr_[0]->extent (Y_AXIS) [dir_];
62 num.align_to (Y_AXIS, CENTER);
63 num.translate_axis (dir_ * interline, Y_AXIS);
65 num.translate_axis (dy/2, Y_AXIS);
68 /* if (beam_l_arr_.size () == 1 && !bracket_visibility)
70 num.translate_axis (dir_ * interline, Y_AXIS);
73 if (bracket_visibility)
75 mol_p->add_molecule (lookup_l ()->plet (dy, w, dir_));
78 if (number_visibility)
80 mol_p->add_molecule (num);
82 mol_p->translate_axis (dir_ * interline, Y_AXIS);
88 Tuplet_spanner::do_add_processing ()
90 if (column_arr_.size ())
92 set_bounds (LEFT, column_arr_[0]);
93 set_bounds (RIGHT, column_arr_.top ());
98 Tuplet_spanner::do_post_processing ()
100 if (column_arr_.size())
101 translate_axis (column_arr_[0]->extent (Y_AXIS)[dir_], Y_AXIS);
103 if (beam_l_arr_.size () == 1)
105 Beam * beam_l = beam_l_arr_[0];
107 && spanned_drul_[LEFT]->column_l () == beam_l->spanned_drul_[LEFT]->column_l ()
108 && spanned_drul_[RIGHT]->column_l () == beam_l->spanned_drul_[RIGHT]->column_l ())
109 parallel_beam_b_ = true;
112 // if (column_arr_.size () == 1)
113 // bracket_visibility_b_ = false;
117 Tuplet_spanner::do_substitute_element_pointer (Score_element* o, Score_element* n)
119 if (Note_column *onc = dynamic_cast <Note_column *> (o))
120 column_arr_.substitute (onc, dynamic_cast<Note_column*> (n));
121 else if (Beam * b = dynamic_cast<Beam* > (o))
123 beam_l_arr_.substitute (b, dynamic_cast<Beam*> (n));
128 Tuplet_spanner::get_default_dir () const
131 SCM dir_sym =get_elt_property (dir_forced_scm_sym);
132 if (dir_sym != SCM_BOOL_F) {
133 d= (Direction) gh_scm2int (SCM_CDR(dir_sym));
138 for (int i=0; i < column_arr_.size (); i ++)
140 if (column_arr_[i]->dir () < 0)
150 Tuplet_spanner::add_beam (Beam *b)
153 beam_l_arr_.push (b);
157 Tuplet_spanner::add_column (Note_column*n)
159 column_arr_.push (n);