X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fstaff-symbol-referencer.hh;h=3867ac7549288eed393b2035e284d496ee90d6fc;hb=2348fa9c19d9884469911f17dac9ad1f93b13363;hp=8203954c63aad1c53ece0ab1650228e141393d46;hpb=74e65211d6cda3818a6d4891f1f1c31f457e94cd;p=lilypond.git diff --git a/lily/include/staff-symbol-referencer.hh b/lily/include/staff-symbol-referencer.hh index 8203954c63..3867ac7549 100644 --- a/lily/include/staff-symbol-referencer.hh +++ b/lily/include/staff-symbol-referencer.hh @@ -1,35 +1,75 @@ -/* - staff-sym-referencer.hh -- declare Staff_sym_referencer - - source file of the GNU LilyPond music typesetter - - (c) 1999 Han-Wen Nienhuys - - */ +/* + 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 -#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 . +*/ + +#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 { -protected: - Staff_symbol * staff_sym_l_; - public: - Staff_symbol_referencer (); - void set_staff_symbol (Staff_symbol*); - 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*); + 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 *); + +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 */