--- /dev/null
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 1997--2014 Jan Nieuwenhuizen <janneke@gnu.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/>.
+*/
+
+#ifndef Tuplet_number_HH
+#define Tuplet_number_HH
+
+#include "lily-proto.hh"
+#include "std-vector.hh"
+#include "grob-interface.hh"
+
+struct Tuplet_number
+{
+ DECLARE_SCHEME_CALLBACK (print, (SCM));
+ DECLARE_SCHEME_CALLBACK (calc_x_offset, (SCM));
+ DECLARE_SCHEME_CALLBACK (calc_y_offset, (SCM));
+ DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM));
+ DECLARE_GROB_INTERFACE ();
+
+ static Real calc_offset (Spanner *me, Axis a); // not used
+
+ static Grob *select_reference_stem (Grob *me, vector<Grob *> const &cols);
+ static Drul_array<Grob *> adjacent_note_columns (Grob *me, Grob *ref_stem);
+ static bool knee_position_against_beam (Grob *me, Grob *ref_stem);
+};
+
+#endif // Tuplet_number_HH
+