Imported Upstream version 2.16.0

[lilypond.git] / lily / page-layout-problem-scheme.cc

diff --git a/lily/page-layout-problem-scheme.cc b/lily/page-layout-problem-scheme.cc
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+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 2011--2012 Joe Neeman <joeneeman@gmail.com>
+
+  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 "lily-guile.hh"
+#include "grob.hh"
+#include "page-layout-problem.hh"
+
+LY_DEFINE (ly_get_spacing_spec, "ly:get-spacing-spec", 2, 0, 0,
+           (SCM from_scm, SCM to_scm),
+           "Return the spacing spec going between the two given grobs,"
+           " @var{from_scm} and @var{to_scm}.")
+{
+  LY_ASSERT_SMOB (Grob, from_scm, 1);
+  LY_ASSERT_SMOB (Grob, to_scm, 2);
+
+  Grob *from = unsmob_grob (from_scm);
+  Grob *to = unsmob_grob (to_scm);
+
+  return Page_layout_problem::get_spacing_spec (from, to, false, 0, 0);
+}