-/*
- staff-sym-referencer.hh -- declare Staff_sym_referencer
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
-#ifndef STAFF_SYM_REFERENCER_HH
-#define STAFF_SYM_REFERENCER_HH
+ Copyright (C) 1999--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
-#include "score-element.hh"
+ 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-interface.hh"
+#include "lily-proto.hh"
/**
A notation object that needs access to variables of the staff (no
lines, leading).
-
- */
-class Staff_symbol_referencer : public virtual Score_element
+*/
+class Staff_symbol_referencer
{
- int position_i_;
-protected:
- Staff_symbol * staff_sym_l_;
-
public:
- Staff_symbol_referencer ();
- void set_position (int);
-
- void set_staff_symbol (Staff_symbol*);
+ 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));
+
/**
Leading are the lead strips between the sticks (lines) of
typeface. ie. leading is vertical space.
+ */
+ static Real line_thickness (Grob *);
+ static Real staff_space (Grob *);
+ static Grob *get_staff_symbol (Grob *);
+ 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 *);
- */
- Real staff_line_leading_f () const;
- Staff_symbol * staff_symbol_l () const;
- int lines_i () const;
- virtual void do_substitute_element_pointer (Score_element*,Score_element*);
- virtual void do_pre_processing ();
- virtual Real position_f () const;
+private:
+ static void internal_set_position (Grob *, Real, bool);
+ static Real internal_get_position (Grob *, bool);
};
-#endif /* STAFF_SYM_REFERENCER_HH */
+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 */