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/*
This file is part of LilyPond, the GNU music typesetter.
Copyright (C) 2001--2014 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 "percent-repeat-item.hh"
#include "item.hh"
#include "font-interface.hh"
#include "lookup.hh"
#include "stream-event.hh"
Stencil
Percent_repeat_item_interface::brew_slash (Grob *me, int count)
{
Real slope = robust_scm2double (me->get_property ("slope"), 1);
Real wid = 2.0 / slope;
/*
todo: check out if in staff-rule thickness normally.
*/
Real thick = robust_scm2double (me->get_property ("thickness"), 1);
Stencil slash = Lookup::repeat_slash (wid, slope, thick);
Stencil m = slash;
Real slash_neg_kern
= robust_scm2double (me->get_property ("slash-negative-kern"), 1.6);
for (int i = count - 1; i--;)
m.add_at_edge (X_AXIS, RIGHT, slash, -slash_neg_kern);
m.translate_axis (-m.extent (Y_AXIS).center (), Y_AXIS);
return m;
}
Stencil
Percent_repeat_item_interface::x_percent (Grob *me, int count)
{
Stencil m = brew_slash (me, count);
Real dot_neg_kern
= robust_scm2double (me->get_property ("dot-negative-kern"), 0.75);
Stencil d1 = Font_interface::get_default_font (me)->find_by_name ("dots.dot");
Stencil d2 = d1;
d1.translate_axis (0.5, Y_AXIS);
d2.translate_axis (-0.5, Y_AXIS);
m.add_at_edge (X_AXIS, LEFT, d1, -dot_neg_kern);
m.add_at_edge (X_AXIS, RIGHT, d2, -dot_neg_kern);
return m;
}
MAKE_SCHEME_CALLBACK (Percent_repeat_item_interface, double_percent, 1);
SCM
Percent_repeat_item_interface::double_percent (SCM grob)
{
Grob *me = unsmob_grob (grob);
Stencil m = x_percent (me, 2);
m.translate_axis (-m.extent (X_AXIS).center (), X_AXIS);
return m.smobbed_copy ();
}
MAKE_SCHEME_CALLBACK (Percent_repeat_item_interface, beat_slash, 1);
SCM
Percent_repeat_item_interface::beat_slash (SCM grob)
{
Grob *me = unsmob_grob (grob);
Stream_event *cause = unsmob_stream_event (me->get_property ("cause"));
int count = robust_scm2int (cause->get_property ("slash-count"), 1);
Stencil m;
if (count == 0)
m = x_percent (me, 2);
else
m = brew_slash (me, count);
return m.smobbed_copy ();
}
ADD_INTERFACE (Percent_repeat_item_interface,
"Repeats that look like percent signs.",
/* properties */
"dot-negative-kern "
"slash-negative-kern "
"slope "
"thickness "
);
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