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"
19 #include "group-interface.hh"
21 #include "staff-symbol-referencer.hh"
23 Multi_measure_rest::Multi_measure_rest ()
26 set_elt_property ("columns", SCM_EOL);
35 * variable-sized multi-measure rest symbol: |====| ??
37 * build 3, 5, 6, 7, 8 symbols (how far, property?)
38 from whole, brevis and longa rests
42 Multi_measure_rest::do_brew_molecule_p () const
48 Item * col = spanned_drul_[d]->column_l ();
50 Interval coldim = col->extent (X_AXIS)
51 + col->relative_coordinate (0, X_AXIS);
53 sp_iv[d] = coldim[-d] ;
55 while ((flip (&d)) != LEFT);
56 Molecule *mol_p = new Molecule;
59 Real rx = spanned_drul_[LEFT]->relative_coordinate (0, X_AXIS);
61 we gotta stay clear of sp_iv, so move a bit to the right if
64 x_off += (sp_iv[LEFT] - rx) >? 0;
69 x_off += sp_iv.length ()/ 2;
73 bool rest_symbol=true;
74 SCM alt_symbol_sym =get_elt_property ("alt-symbol");
75 if (gh_string_p (alt_symbol_sym))
77 s = lookup_l () -> afm_find (ly_scm2string (alt_symbol_sym));
80 else if (measures_i_ == 1 || measures_i_ == 2 || measures_i_ == 4)
82 s = lookup_l ()->afm_find ("rests-" + to_str (- intlog2(measures_i_)));
83 s.translate_axis (-s.extent ()[X_AXIS].length () / 2, X_AXIS);
87 String idx = ("rests-") + to_str (-4);
88 s = lookup_l ()->afm_find (idx);
91 mol_p->add_molecule (s);
93 = staff_symbol_referencer_interface (this).staff_space ();
94 if (measures_i_ == 1 && rest_symbol)
96 mol_p->translate_axis (interline_f, Y_AXIS);
98 else if (measures_i_ > 1)
100 Molecule s (lookup_l ()->text ("number", to_str (measures_i_), paper_l ()));
101 s.align_to (X_AXIS, CENTER);
102 s.translate_axis (3.0 * interline_f, Y_AXIS);
103 mol_p->add_molecule (s);
105 mol_p->translate_axis (x_off, X_AXIS);
110 UGH. JUNKME elt prop "columns" isn't really needed.
114 Multi_measure_rest::do_add_processing ()
116 if (gh_pair_p (get_elt_property ("columns")))
118 Link_array<Item> column_arr (Group_interface__extract_elements (this, (Item*)0, "columns"));
120 set_bounds (LEFT, column_arr[0 >? column_arr.size () - 2]);
121 set_bounds (RIGHT, column_arr.top ());
126 Multi_measure_rest::do_post_processing ()
128 if (!gh_pair_p (get_elt_property ("columns")))
129 set_elt_property ("transparent", SCM_BOOL_T);
135 Multi_measure_rest::add_column (Item* c)
137 Group_interface gi (this, "columns");
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_broken_piece (RIGHT);
159 Item * rb = r->find_broken_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");