-/*
- music-wrapper.cc -- implement Music_wrapper
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1998--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+ Copyright (C) 1998--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
-#include "music-wrapper.hh"
-
-
-
-
-void
-Music_wrapper::transpose (Pitch p)
-{
- if (element ())
- element ()-> transpose (p);
-}
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-Music_wrapper::Music_wrapper ()
- : Music ()
-{
-}
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
-Moment
-Music_wrapper::length_mom () const
-{
- return element ()->length_mom ();
-}
-
-Pitch
-Music_wrapper::to_relative_octave (Pitch p)
-{
- return element ()->to_relative_octave (p);
-}
+#include "music-wrapper.hh"
+#include "music.hh"
-Music*
-Music_wrapper::element () const
+MAKE_SCHEME_CALLBACK (Music_wrapper, start_callback, 1);
+SCM
+Music_wrapper::start_callback (SCM m)
{
- return unsmob_music (get_mus_property ("element"));
+ Music *me = Music::unsmob (m);
+ Music *elt = Music::unsmob (me->get_property ("element"));
+ if (elt)
+ return elt->start_mom ().smobbed_copy ();
+ else
+ return Moment ().smobbed_copy ();
}
-void
-Music_wrapper::compress (Moment m)
+MAKE_SCHEME_CALLBACK (Music_wrapper, length_callback, 1);
+SCM
+Music_wrapper::length_callback (SCM m)
{
- element ()->compress (m);
+ Music *me = Music::unsmob (m);
+ Music *elt = Music::unsmob (me->get_property ("element"));
+ if (elt)
+ return elt->get_length ().smobbed_copy ();
+ else
+ return Moment (0).smobbed_copy ();
}
-ADD_MUSIC (Music_wrapper);
-
-
-Moment
-Music_wrapper::start_mom () const
-{
- return element ()->start_mom ();
-}