2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2005--2011 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/>.
22 #include "horizontal-bracket.hh"
24 #include "axis-group-interface.hh"
25 #include "pointer-group-interface.hh"
27 struct Enclosing_bracket
29 DECLARE_GROB_INTERFACE ();
32 DECLARE_SCHEME_CALLBACK (print, (SCM));
33 DECLARE_SCHEME_CALLBACK (width, (SCM));
36 ADD_INTERFACE (Enclosing_bracket,
37 "Brackets alongside bass figures.",
48 /* ugh: should make bracket interface. */
50 MAKE_SCHEME_CALLBACK (Enclosing_bracket, width, 1);
52 Enclosing_bracket::width (SCM grob)
55 UGH. cut & paste code.
57 Grob *me = unsmob_grob (grob);
58 extract_grob_set (me, "elements", elements);
59 if (elements.empty ())
65 Grob *common_x = common_refpoint_of_array (elements, me, X_AXIS);
66 Interval xext = Axis_group_interface::relative_group_extent (elements, common_x, X_AXIS);
68 Stencil left_br = Horizontal_bracket::make_bracket (me, 10.0, Y_AXIS, LEFT);
69 Stencil right_br = Horizontal_bracket::make_bracket (me, 10.0, Y_AXIS, LEFT);
71 xext.widen (robust_scm2double (me->get_property ("padding"), 0.25));
72 left_br.translate_axis (xext[LEFT], X_AXIS);
73 right_br.translate_axis (xext[RIGHT], X_AXIS);
75 left_br.add_stencil (right_br);
76 left_br.translate_axis (-me->relative_coordinate (common_x, X_AXIS), X_AXIS);
78 return ly_interval2scm (left_br.extent (X_AXIS));
81 MAKE_SCHEME_CALLBACK (Enclosing_bracket, print, 1);
83 Enclosing_bracket::print (SCM grob)
85 Grob *me = unsmob_grob (grob);
86 extract_grob_set (me, "elements", elements);
87 if (elements.empty ())
93 Grob *common_x = common_refpoint_of_array (elements, me, X_AXIS);
94 Interval xext = Axis_group_interface::relative_group_extent (elements, common_x, X_AXIS);
97 me->programming_error ("elements have no X extent.");
98 xext = Interval (0, 0);
101 Stencil left_br = Horizontal_bracket::make_enclosing_bracket (me, me, elements,
103 Stencil right_br = Horizontal_bracket::make_enclosing_bracket (me, me, elements,
106 xext.widen (robust_scm2double (me->get_property ("padding"), 0.25));
107 left_br.translate_axis (xext[LEFT], X_AXIS);
108 right_br.translate_axis (xext[RIGHT], X_AXIS);
110 left_br.add_stencil (right_br);
111 left_br.translate_axis (-me->relative_coordinate (common_x, X_AXIS), X_AXIS);
113 return left_br.smobbed_copy ();