2 multi-measure-rest.cc -- implement Multi_measure_rest
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--1999 Jan Nieuwenhuizen <janneke@gnu.org>
10 #include "multi-measure-rest.hh"
12 #include "paper-def.hh"
13 #include "paper-column.hh" // urg
17 #include "molecule.hh"
21 Multi_measure_rest::Multi_measure_rest ()
27 Multi_measure_rest::do_print () const
30 DOUT << "measures_i_ " << measures_i_;
38 * variable-sized multi-measure rest symbol: |====| ??
40 * build 3, 5, 6, 7, 8 symbols (how far, property?)
41 from whole, brevis and longa rests
45 Multi_measure_rest::do_brew_molecule_p () const
51 Item * col = spanned_drul_[d]->column_l ();
53 Interval coldim = col->extent (X_AXIS);
55 sp_iv[d] = coldim[-d] ;
57 while ((flip (&d)) != LEFT);
58 Molecule *mol_p = new Molecule;
62 // Dimension_cache * col_ref = spanned_drul_[LEFT]->column_l ()->dim_cache_[X_AXIS];
64 Real rx = spanned_drul_[LEFT]->absolute_coordinate (X_AXIS);
66 we gotta stay clear of sp_iv, so move a bit to the right if
69 x_off += (sp_iv[LEFT] - rx) >? 0;
74 x_off += sp_iv.length ()/ 2;
78 bool rest_symbol=true;
79 SCM alt_symbol_sym =get_elt_property (alt_symbol_scm_sym);
80 if (alt_symbol_sym != SCM_BOOL_F)
82 s = lookup_l () -> afm_find (ly_scm2string (SCM_CDR(alt_symbol_sym)));
85 else if (measures_i_ == 1 || measures_i_ == 2 || measures_i_ == 4)
87 s = lookup_l ()->rest (- intlog2(measures_i_), 0, "");
88 s.translate_axis (-s.extent ()[X_AXIS].length () / 2, X_AXIS);
92 s = lookup_l ()->rest (-4, 0, "");
94 mol_p->add_molecule (s);
95 Real interline_f = staff_line_leading_f ();
96 if (measures_i_ == 1 && rest_symbol)
98 mol_p->translate_axis (interline_f, Y_AXIS);
100 else if (measures_i_ > 1)
102 Molecule s ( lookup_l ()->text ("number", to_str (measures_i_), paper_l ()));
103 s.align_to (X_AXIS, CENTER);
104 s.translate_axis (3.0 * interline_f, Y_AXIS);
105 mol_p->add_molecule (s);
107 mol_p->translate_axis (x_off, X_AXIS);
112 Multi_measure_rest::do_add_processing ()
114 if (column_arr_.size ())
116 set_bounds (LEFT, column_arr_[0 >? column_arr_.size () - 2]);
117 set_bounds (RIGHT, column_arr_[column_arr_.size () - 1]);
122 Multi_measure_rest::do_post_processing ()
124 if (!column_arr_.size ())
125 set_elt_property (transparent_scm_sym, SCM_BOOL_T);
130 Multi_measure_rest::do_substitute_element_pointer (Score_element* o, Score_element* n)
132 Staff_symbol_referencer::do_substitute_element_pointer (o,n);
133 if (Item* c = dynamic_cast <Item*> (o))
134 column_arr_.substitute (c, dynamic_cast<Item*> (n));
138 Multi_measure_rest::add_column (Item* c)
140 column_arr_.push (c);
146 Multi_measure_rest::get_rods () const
150 if (!(spanned_drul_[LEFT] && spanned_drul_[RIGHT]))
152 programming_error ("Multi_measure_rest::get_rods (): I am not spanned!");
156 Item * l = spanned_drul_[LEFT]->column_l ();
157 Item * r = spanned_drul_[RIGHT]->column_l ();
158 Item * lb = l->find_prebroken_piece (RIGHT);
159 Item * rb = r->find_prebroken_piece (LEFT);
161 Item* combinations[4][2]={{l,r}, {lb,r}, {l,rb},{lb,rb}};
162 for (int i=0; i < 4; i++)
164 Item * l = combinations[i][0];
165 Item *r = combinations[i][1];
171 rod.item_l_drul_[LEFT] = l;
172 rod.item_l_drul_[RIGHT] = r;
175 should do something more advanced.
177 rod.distance_f_ = l->extent (X_AXIS)[BIGGER] - r->extent (X_AXIS)[SMALLER]
178 + paper_l ()->get_var ("mmrest_x_minimum");