2 relative-octave-check.cc -- implement Relative_octave_check
4 source file of the GNU LilyPond music typesetter
6 (c) 2005--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #include "international.hh"
13 class Relative_octave_check
16 DECLARE_SCHEME_CALLBACK (relative_callback
, (SCM
, SCM
));
19 MAKE_SCHEME_CALLBACK (Relative_octave_check
, relative_callback
, 2)
21 Relative_octave_check::relative_callback (SCM music
, SCM last_pitch
)
23 Pitch p
= *unsmob_pitch (last_pitch
);
24 Music
*m
= unsmob_music (music
);
25 Pitch
*check_p
= unsmob_pitch (m
->get_property ("pitch"));
31 check_p
->get_notename (),
32 check_p
->get_alteration ());
34 Pitch result
= no_octave
.to_relative_octave (p
);
36 if (result
!= *check_p
)
38 string s
= _ ("Failed octave check, got: ");
39 s
+= result
.to_string ();
41 m
->origin ()->warning (s
);
43 delta_oct
= check_p
->get_octave () - result
.get_octave ();
47 return Pitch (p
.get_octave () + delta_oct
,
49 p
.get_alteration ()).smobbed_copy ();