2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
7 LilyPond is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 LilyPond is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
21 #include "line-interface.hh"
23 #include "output-def.hh"
26 #include "pointer-group-interface.hh"
27 #include "axis-group-interface.hh"
29 #include "horizontal-bracket.hh"
31 struct Figured_bass_continuation
35 DECLARE_SCHEME_CALLBACK (print, (SCM));
36 DECLARE_SCHEME_CALLBACK (center_on_figures, (SCM));
39 MAKE_SCHEME_CALLBACK (Figured_bass_continuation, center_on_figures, 1);
41 Figured_bass_continuation::center_on_figures (SCM grob)
43 Spanner *me = unsmob<Spanner> (grob);
44 extract_grob_set (me, "figures", figures);
46 return scm_from_double (0.0);
47 Grob *common = common_refpoint_of_array (figures, me, Y_AXIS);
49 Interval ext = Axis_group_interface::relative_group_extent (figures, common, Y_AXIS);
51 return scm_from_double (0.0);
52 return scm_from_double (ext.center () - me->relative_coordinate (common, Y_AXIS));
55 MAKE_SCHEME_CALLBACK (Figured_bass_continuation, print, 1);
57 Figured_bass_continuation::print (SCM grob)
59 Spanner *me = unsmob<Spanner> (grob);
62 = me->layout ()->get_dimension (ly_symbol2scm ("line-thickness"))
63 * robust_scm2double (me->get_property ("thickness"), 1);
67 Grob *common = me->get_bound (LEFT)->common_refpoint (me->get_bound (RIGHT),
69 for (LEFT_and_RIGHT (d))
71 Item *bound = me->get_bound (d);
73 = (d == LEFT && to_boolean (bound->get_property ("implicit")))
77 = robust_relative_extent (bound, common, X_AXIS)[extdir]
78 - me->relative_coordinate (common, X_AXIS);
80 spanned.widen (- robust_scm2double (me->get_property ("padding"), 0.2));
83 if (!spanned.is_empty ())
84 extender = Line_interface::make_line (thick,
85 Offset (spanned[LEFT], 0),
86 Offset (spanned[RIGHT], 0));
88 return extender.smobbed_copy ();
91 ADD_INTERFACE (Figured_bass_continuation,
92 "Simple extender line between bounds.",