2 multi-measure-rest.cc -- implement Multi_measure_rest
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2000 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);
32 * variable-sized multi-measure rest symbol: |====| ??
34 * build 3, 5, 6, 7, 8 symbols (how far, property?)
35 from whole, brevis and longa rests
39 Multi_measure_rest::do_brew_molecule_p () const
45 Item * col = spanned_drul_[d]->column_l ();
47 Interval coldim = col->extent (X_AXIS)
48 + col->relative_coordinate (0, X_AXIS);
50 sp_iv[d] = coldim[-d] ;
52 while ((flip (&d)) != LEFT);
53 Molecule *mol_p = new Molecule;
56 Real rx = spanned_drul_[LEFT]->relative_coordinate (0, X_AXIS);
58 we gotta stay clear of sp_iv, so move a bit to the right if
61 x_off += (sp_iv[LEFT] - rx) >? 0;
66 x_off += sp_iv.length ()/ 2;
70 bool rest_symbol=true;
71 SCM alt_symbol_sym =get_elt_property ("alt-symbol");
72 if (gh_string_p (alt_symbol_sym))
74 s = lookup_l () -> afm_find (ly_scm2string (alt_symbol_sym));
77 else if (measures_i_ == 1 || measures_i_ == 2 || measures_i_ == 4)
79 s = lookup_l ()->afm_find ("rests-" + to_str (- intlog2(measures_i_)));
80 s.translate_axis (-s.extent ()[X_AXIS].length () / 2, X_AXIS);
84 String idx = ("rests-") + to_str (-4);
85 s = lookup_l ()->afm_find (idx);
88 mol_p->add_molecule (s);
90 = staff_symbol_referencer (this).staff_space ();
91 if (measures_i_ == 1 && rest_symbol)
93 mol_p->translate_axis (staff_space, Y_AXIS);
95 else if (measures_i_ > 1)
97 Molecule s (lookup_l ()->text ("number", to_str (measures_i_), paper_l ()));
98 s.align_to (X_AXIS, CENTER);
99 s.translate_axis (3.0 * staff_space, Y_AXIS);
100 mol_p->add_molecule (s);
102 mol_p->translate_axis (x_off, X_AXIS);
107 UGH. JUNKME elt prop "columns" isn't really needed.
111 Multi_measure_rest::do_add_processing ()
113 if (gh_pair_p (get_elt_property ("columns")))
115 Link_array<Item> column_arr (Group_interface__extract_elements (this, (Item*)0, "columns"));
117 set_bounds (LEFT, column_arr[0 >? column_arr.size () - 2]);
118 set_bounds (RIGHT, column_arr.top ());
123 Multi_measure_rest::do_post_processing ()
125 if (!gh_pair_p (get_elt_property ("columns")))
126 set_elt_property ("transparent", SCM_BOOL_T);
132 Multi_measure_rest::add_column (Item* c)
134 Group_interface gi (this, "columns");
143 Multi_measure_rest::get_rods () const
147 if (!(spanned_drul_[LEFT] && spanned_drul_[RIGHT]))
149 programming_error ("Multi_measure_rest::get_rods (): I am not spanned!");
153 Item * l = spanned_drul_[LEFT]->column_l ();
154 Item * r = spanned_drul_[RIGHT]->column_l ();
155 Item * lb = l->find_broken_piece (RIGHT);
156 Item * rb = r->find_broken_piece (LEFT);
158 Item* combinations[4][2]={{l,r}, {lb,r}, {l,rb},{lb,rb}};
159 for (int i=0; i < 4; i++)
161 Item * l = combinations[i][0];
162 Item *r = combinations[i][1];
168 rod.item_l_drul_[LEFT] = l;
169 rod.item_l_drul_[RIGHT] = r;
172 should do something more advanced.
174 rod.distance_f_ = l->extent (X_AXIS)[BIGGER] - r->extent (X_AXIS)[SMALLER]
175 + paper_l ()->get_var ("mmrest_x_minimum");