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/>.
24 #include "axis-group-interface.hh"
25 #include "pointer-group-interface.hh"
27 struct Enclosing_bracket
31 DECLARE_SCHEME_CALLBACK (print, (SCM));
32 DECLARE_SCHEME_CALLBACK (width, (SCM));
35 ADD_INTERFACE (Enclosing_bracket,
36 "Brackets alongside bass figures.",
47 /* ugh: should make bracket interface. */
49 MAKE_SCHEME_CALLBACK (Enclosing_bracket, width, 1);
51 Enclosing_bracket::width (SCM grob)
54 UGH. cut & paste code.
56 Grob *me = unsmob<Grob> (grob);
57 extract_grob_set (me, "elements", elements);
58 if (elements.empty ())
64 Grob *common_x = common_refpoint_of_array (elements, me, X_AXIS);
65 Interval xext = Axis_group_interface::relative_group_extent (elements, common_x, X_AXIS);
68 Bracket::make_axis_constrained_bracket (me, 10.0, Y_AXIS, LEFT);
70 Bracket::make_axis_constrained_bracket (me, 10.0, Y_AXIS, LEFT);
72 xext.widen (robust_scm2double (me->get_property ("padding"), 0.25));
73 left_br.translate_axis (xext[LEFT], X_AXIS);
74 right_br.translate_axis (xext[RIGHT], X_AXIS);
76 left_br.add_stencil (right_br);
77 left_br.translate_axis (-me->relative_coordinate (common_x, X_AXIS), X_AXIS);
79 return ly_interval2scm (left_br.extent (X_AXIS));
82 MAKE_SCHEME_CALLBACK (Enclosing_bracket, print, 1);
84 Enclosing_bracket::print (SCM grob)
86 Grob *me = unsmob<Grob> (grob);
87 extract_grob_set (me, "elements", elements);
88 if (elements.empty ())
94 Grob *common_x = common_refpoint_of_array (elements, me, X_AXIS);
95 Interval xext = Axis_group_interface::relative_group_extent (elements, common_x, X_AXIS);
98 me->programming_error ("elements have no X extent.");
99 xext = Interval (0, 0);
103 Bracket::make_enclosing_bracket (me, me, elements, Y_AXIS, LEFT);
105 Bracket::make_enclosing_bracket (me, me, elements, Y_AXIS, RIGHT);
107 xext.widen (robust_scm2double (me->get_property ("padding"), 0.25));
108 left_br.translate_axis (xext[LEFT], X_AXIS);
109 right_br.translate_axis (xext[RIGHT], X_AXIS);
111 left_br.add_stencil (right_br);
112 left_br.translate_axis (-me->relative_coordinate (common_x, X_AXIS), X_AXIS);
114 return left_br.smobbed_copy ();