/*
- staff-symbol-referencer.cc -- implement Staff_symbol_referencer
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1999--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1999--2007 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/>.
*/
#include "staff-symbol-referencer.hh"
return st ? Staff_symbol::line_count (st) : 0;
}
-bool
-Staff_symbol_referencer::on_line (Grob *me)
-{
- return on_line (me, (int) rint (get_position (me)));
-}
-
-bool
-Staff_symbol_referencer::on_staff_line (Grob *me)
-{
- return on_staff_line (me, (int) rint (get_position (me)));
-}
-
bool
Staff_symbol_referencer::on_line (Grob *me, int pos)
{
- int sz = line_count (me) - 1;
- return ((pos + sz) % 2) == 0;
+ Grob *st = get_staff_symbol (me);
+ return st ? Staff_symbol::on_line (st, pos) : false;
}
bool
if (st && c)
{
Real y = me->relative_coordinate (c, Y_AXIS)
- - st->relative_coordinate (c, Y_AXIS);
-
- p += 2.0 * y / Staff_symbol::staff_space (st);
+ - st->relative_coordinate (c, Y_AXIS);
+ Real space = Staff_symbol::staff_space (st);
+ p = (space == 0) ? 0 : 2.0 * y / space;
return p;
}
else if (!st)
return retval;
}
-
-
int
Staff_symbol_referencer::get_rounded_position (Grob *me)
{
oldpos = get_position (me);
}
-
Real ss = Staff_symbol_referencer::staff_space (me);
me->translate_axis ((p - oldpos) * ss * 0.5, Y_AXIS);
}