-/*
- skyline-pair.cc -- implement Skyline_pair
-
- source file of the GNU LilyPond music typesetter
-
- (c) 2008--2009 Han-Wen Nienhuys <hanwen@lilypond.org>
-
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 2008--2012 Han-Wen Nienhuys <hanwen@lilypond.org>
+
+
+ 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.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "skyline-pair.hh"
+#include "international.hh"
#include "ly-smobs.icc"
Skyline_pair::Skyline_pair ()
skylines_[DOWN].print ();
}
-
bool
Skyline_pair::is_empty () const
{
return skylines_[UP].is_empty ()
- && skylines_[DOWN].is_empty ();
+ && skylines_[DOWN].is_empty ();
}
-Skyline&
+Skyline &
Skyline_pair::operator [] (Direction d)
{
return skylines_[d];
}
-Skyline const&
+Skyline const &
Skyline_pair::operator [] (Direction d) const
{
return skylines_[d];
scm_puts ("#<Skyline-pair>", port);
return 1;
}
+
+MAKE_SCHEME_CALLBACK (Skyline_pair, skyline, 2);
+SCM
+Skyline_pair::skyline (SCM smob, SCM dir_scm)
+{
+ Skyline_pair *sp = Skyline_pair::unsmob (smob);
+ Direction dir = robust_scm2dir (dir_scm, UP);
+
+ if (dir == CENTER)
+ {
+ warning (_f ("direction must not be CENTER in ly:skyline-pair::skyline"));
+ dir = UP;
+ }
+
+ return (*sp)[dir].smobbed_copy ();
+}