2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1996--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #include "time-signature.hh"
23 #include "font-interface.hh"
24 #include "international.hh"
25 #include "output-def.hh"
26 #include "staff-symbol-referencer.hh"
27 #include "text-interface.hh"
33 this file should go ; The formatting can completely be done with
37 MAKE_SCHEME_CALLBACK (Time_signature, print, 1);
39 Time_signature::print (SCM smob)
41 Grob *me = unsmob_grob (smob);
42 SCM st = me->get_property ("style");
43 SCM frac = me->get_property ("fraction");
46 if (scm_is_pair (frac))
48 n = scm_to_int (scm_car (frac));
49 d = scm_to_int (scm_cdr (frac));
53 if (st == ly_symbol2scm ("single-digit"))
54 m = numbered_time_signature (me, n, 0);
55 else if (scm_is_symbol (st))
56 m = special_time_signature (me, st, n, d);
58 m = numbered_time_signature (me, n, d);
60 if (Staff_symbol_referencer::line_count (me) % 2 == 0)
61 m.translate_axis (Staff_symbol_referencer::staff_space (me) / 2, Y_AXIS);
63 return m.smobbed_copy ();
67 Time_signature::special_time_signature (Grob *me, SCM scm_style, int n, int d)
69 string style = ly_scm2string (scm_symbol_to_string (scm_style));
71 if (style == "numbered")
72 return numbered_time_signature (me, n, d);
74 if ((style == "default") || (style == ""))
75 style = to_string ("C");
79 if /* neither C2/2 nor C4/4 */
80 (((n != 2) || (d != 2))
81 && ((n != 4) || (d != 4)))
82 return numbered_time_signature (me, n, d);
85 string char_name = style + to_string (n) + to_string (d);
86 me->set_property ("font-encoding", ly_symbol2scm ("fetaMusic"));
87 Stencil out = Font_interface::get_default_font (me)
88 ->find_by_name ("timesig." + char_name);
92 /* If there is no such symbol, we default to the numbered style.
93 (Here really with a warning!) */
94 me->warning (_f ("time signature symbol `%s' not found; "
95 "reverting to numbered style", char_name));
96 return numbered_time_signature (me, n, d);
100 Time_signature::numbered_time_signature (Grob *me, int num, int den)
102 SCM chain = me->get_property_alist_chain (Font_interface::text_font_alist_chain (me));
103 chain = scm_cons (scm_list_1 (scm_cons (ly_symbol2scm ("font-encoding"),
104 ly_symbol2scm ("fetaNumber"))),
107 SCM sn = Text_interface::interpret_markup (me->layout ()->self_scm (), chain,
108 ly_string2scm (to_string (num)));
109 SCM sd = Text_interface::interpret_markup (me->layout ()->self_scm (), chain,
110 ly_string2scm (to_string (den)));
112 Stencil n = *unsmob_stencil (sn);
113 Stencil d = *unsmob_stencil (sd);
115 n.align_to (X_AXIS, CENTER);
116 d.align_to (X_AXIS, CENTER);
120 m.add_at_edge (Y_AXIS, UP, n, 0.0);
121 m.add_at_edge (Y_AXIS, DOWN, d, 0.0);
126 m.align_to (Y_AXIS, CENTER);
129 m.align_to (X_AXIS, LEFT);
134 ADD_INTERFACE (Time_signature,
135 "A time signature, in different styles. The following values"
136 " for @code{style} are are recognized:\n"
140 "4/4 and 2/2 are typeset as C and struck C, respectively."
141 " All other time signatures are written with two digits."
142 " The value @code{default} is equivalent to @code{C}.\n"
143 "@item neomensural\n"
144 "2/2, 3/2, 2/4, 3/4, 4/4, 6/4, 9/4, 4/8, 6/8, and 9/8 are"
145 " typeset with neo-mensural style mensuration marks. All"
146 " other time signatures are written with two digits.\n"
148 "2/2, 3/2, 2/4, 3/4, 4/4, 6/4, 9/4, 4/8, 6/8, and 9/8 are"
149 " typeset with mensural style mensuration marks. All other"
150 " time signatures are written with two digits.\n"
151 "@item single-digit\n"
152 "All time signatures are typeset with a single digit, e.g.,"
153 " 3/2 is written as 3.\n"
155 "All time signatures are typeset with two digits.\n"