2 relative-octave-check.cc -- implement Relative_octave_check
4 source file of the GNU LilyPond music typesetter
6 (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
14 class Relative_octave_check
17 DECLARE_SCHEME_CALLBACK(relative_callback, (SCM, SCM));
21 MAKE_SCHEME_CALLBACK(Relative_octave_check, relative_callback, 2)
23 Relative_octave_check::relative_callback (SCM music, SCM last_pitch)
25 Pitch p = *unsmob_pitch (last_pitch);
26 Music *m = unsmob_music (music);
27 Pitch *check_p = unsmob_pitch (m->get_property ("pitch"));
33 check_p->get_notename (),
34 check_p->get_alteration ());
36 Pitch result = no_octave.to_relative_octave (p);
38 if (result != *check_p)
40 String s = _("Failed octave check, got: ");
41 s += result.to_string ();
43 m->origin ()->warning (s);
45 delta_oct = check_p->get_octave () - result.get_octave ();
49 return Pitch (p.get_octave () + delta_oct,
50 p.get_notename (), p.get_alteration ()).smobbed_copy ();