2 relative-octave-check.cc -- implement Relative_octave_check
4 source file of the GNU LilyPond music typesetter
6 (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #include "international.hh"
14 class Relative_octave_check
17 DECLARE_SCHEME_CALLBACK (relative_callback, (SCM, SCM));
20 MAKE_SCHEME_CALLBACK (Relative_octave_check, relative_callback, 2)
22 Relative_octave_check::relative_callback (SCM music, SCM last_pitch)
24 Pitch p = *unsmob_pitch (last_pitch);
25 Music *m = unsmob_music (music);
26 Pitch *check_p = unsmob_pitch (m->get_property ("pitch"));
32 check_p->get_notename (),
33 check_p->get_alteration ());
35 Pitch result = no_octave.to_relative_octave (p);
37 if (result != *check_p)
39 string s = _ ("Failed octave check, got: ");
40 s += result.to_string ();
42 m->origin ()->warning (s);
44 delta_oct = check_p->get_octave () - result.get_octave ();
48 return Pitch (p.get_octave () + delta_oct,
49 p.get_notename (), p.get_alteration ()).smobbed_copy ();