2 pitch-squash-engraver.cc -- implement Pitch_squash_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
8 #include "staff-symbol-referencer.hh"
9 #include "note-head.hh"
10 #include "rhythmic-head.hh"
11 #include "engraver.hh"
13 class Pitch_squash_engraver
: public Engraver
16 TRANSLATOR_DECLARATIONS (Pitch_squash_engraver
);
17 virtual void acknowledge_grob (Grob_info
);
21 Pitch_squash_engraver::acknowledge_grob (Grob_info i
)
23 SCM newpos
= get_property ("squashedPosition");
24 if (scm_is_number (newpos
)
25 && Note_head::has_interface (i
.grob ()))
27 i
.grob ()->set_property ("staff-position", newpos
);
31 Pitch_squash_engraver::Pitch_squash_engraver ()
35 ADD_TRANSLATOR (Pitch_squash_engraver
,
37 "Set the vertical position of noteheads to "
38 "@code{squashedPosition}, if that "
40 "This can be used to make a single line staff "
41 "demonstrating the rhythm of a melody.",
45 /* acks */ "note-head-interface",
46 /* reads */ "squashedPosition",