/*
- measure-grouping-spanner.cc -- implement Measure_grouping
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2002--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2002--2006 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 "measure-grouping-spanner.hh"
SCM
Measure_grouping::print (SCM grob)
{
- Spanner *me = dynamic_cast<Spanner *> (unsmob_grob (grob));
+ Spanner *me = unsmob<Spanner> (grob);
SCM which = me->get_property ("style");
Real height = robust_scm2double (me->get_property ("height"), 1);
Real t = Staff_symbol_referencer::line_thickness (me) * robust_scm2double (me->get_property ("thickness"), 1);
Grob *common = me->get_bound (LEFT)->common_refpoint (me->get_bound (RIGHT),
- X_AXIS);
+ X_AXIS);
Real right_point = robust_relative_extent (me->get_bound (RIGHT),
- common, X_AXIS).linear_combination (CENTER);
+ common, X_AXIS).linear_combination (CENTER);
Real left_point = me->get_bound (LEFT)->relative_coordinate (common, X_AXIS);
Interval iv (left_point, right_point);
/*
TODO: use line interface
*/
- if (which == ly_symbol2scm ("bracket"))
+ if (scm_is_eq (which, ly_symbol2scm ("bracket")))
m = Lookup::bracket (X_AXIS, iv, t, -height, t);
- else if (which == ly_symbol2scm ("triangle"))
+ else if (scm_is_eq (which, ly_symbol2scm ("triangle")))
m = Lookup::triangle (iv, t, height);
m.align_to (Y_AXIS, DOWN);
}
ADD_INTERFACE (Measure_grouping,
- "This object indicates groups of beats. "
- "Valid choices for @code{style} are @code{bracket} and @code{triangle}.",
- "thickness style height");
+ "This object indicates groups of beats. Valid choices for"
+ " @code{style} are @code{bracket} and @code{triangle}.",
+
+ /* properties */
+ "thickness "
+ "style "
+ "height "
+ );