/*
- staff-sym-referencer.hh -- declare staff_symbol_referencer
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1999--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1999--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ 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 STAFF_SYMBOL_REFERENCER_HH
#define STAFF_SYMBOL_REFERENCER_HH
-#include "grob.hh"
+#include "grob-interface.hh"
+#include "lily-proto.hh"
/**
A notation object that needs access to variables of the staff (no
class Staff_symbol_referencer
{
public:
- static bool has_interface (Grob *);
+ DECLARE_GROB_INTERFACE ();
static bool ugly_hack (Grob *);
static void set_position (Grob *, Real);
+ static void pure_set_position (Grob *, Real);
DECLARE_SCHEME_CALLBACK (callback, (SCM element));
/**
static Real line_thickness (Grob *);
static Real staff_space (Grob *);
static Grob *get_staff_symbol (Grob *);
- static bool on_staffline (Grob *);
- static bool on_staffline (Grob *, int);
+ static bool on_line (Grob *, int);
+ static bool on_staff_line (Grob *, int);
static int line_count (Grob *);
static Real get_position (Grob *);
+ static Real pure_get_position (Grob *);
+
+ /**
+ Interval of staff lines.
+ */
+ static Interval staff_span (Grob *);
+
+ /**
+ Half of the height, in staff space, i.e. 2.0 for a normal staff.
+ */
static Real staff_radius (Grob *);
+
static int get_rounded_position (Grob *);
+ static int pure_get_rounded_position (Grob *);
+ static Interval extent_in_staff (Grob *);
+
+private:
+ static void internal_set_position (Grob *, Real, bool);
+ static Real internal_get_position (Grob *, bool);
};
int compare_position (Grob *const &, Grob *const &);
+bool position_less (Grob *const &, Grob *const &);
+bool pure_position_less (Grob *const &, Grob *const &);
#endif /* STAFF_SYMBOL_REFERENCER_HH */