2 repeated-music.cc -- implement Repeated_music
4 source file of the GNU LilyPond music typesetter
6 (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "repeated-music.hh"
11 #include "music-list.hh"
16 Repeated_music::body ()const
18 return unsmob_music (get_mus_property ("body"));
22 Repeated_music::alternatives ()const
24 return dynamic_cast<Music_sequence*> (unsmob_music (get_mus_property ("alternatives")));
27 Repeated_music::Repeated_music(Music *beg, int times, Music_sequence * alts)
31 set_mus_property ("body", beg->self_scm ());
32 scm_unprotect_object (beg->self_scm ());
34 set_mus_property ("repeat-count", gh_int2scm (times));
38 alts->truncate (times);
39 set_mus_property ("alternatives", alts->self_scm ());
40 scm_unprotect_object (alts->self_scm ());
42 set_mus_property ("type", ly_symbol2scm ("repeated-music"));
45 Repeated_music::Repeated_music (Repeated_music const &s)
52 Repeated_music::to_relative_octave (Pitch p)
55 p = body ()->to_relative_octave (p);
59 for (SCM s = alternatives ()->music_list (); gh_pair_p (s); s = gh_cdr (s))
60 unsmob_music (gh_car (s))->to_relative_octave (p);
67 Repeated_music::transpose (Pitch p)
70 body ()->transpose (p);
73 alternatives ()->transpose (p);
77 Repeated_music::compress (Moment p)
80 body ()->compress (p);
83 alternatives ()->compress (p);
87 Repeated_music::alternatives_length_mom (bool fold) const
89 if (!alternatives () )
93 return alternatives ()->maximum_length ();
98 SCM p = alternatives ()->music_list ();
99 while (gh_pair_p (p) && done < repeat_count ())
101 m = m + unsmob_music (gh_car (p))->length_mom ();
103 if (repeat_count () - done < alternatives ()->length_i ())
110 Repeated_music::body_length_mom () const
115 m = body ()->length_mom ();
121 Repeated_music::repeat_count () const
123 return gh_scm2int (get_mus_property ("repeat-count"));
127 MAKE_SCHEME_CALLBACK(Repeated_music,unfolded_music_length, 1);
128 MAKE_SCHEME_CALLBACK(Repeated_music,folded_music_length, 1);
129 MAKE_SCHEME_CALLBACK(Repeated_music,volta_music_length, 1);
132 Repeated_music::unfolded_music_length (SCM m)
134 Repeated_music* r = dynamic_cast<Repeated_music*> (unsmob_music (m));
136 Moment l = Moment (r->repeat_count ()) * r->body_length_mom () + r->alternatives_length_mom (false);
137 return l.smobbed_copy ();
141 Repeated_music::folded_music_length (SCM m)
143 Repeated_music* r = dynamic_cast<Repeated_music*> (unsmob_music (m));
145 Moment l = r->body_length_mom () + r->alternatives_length_mom (true);
146 return l.smobbed_copy ();
150 Repeated_music::volta_music_length (SCM m)
152 Repeated_music* r = dynamic_cast<Repeated_music*> (unsmob_music (m));
153 Moment l = r->body_length_mom () + r->alternatives_length_mom (false);
154 return l.smobbed_copy ();