2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2004--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #include "axis-group-interface.hh"
21 #include "text-interface.hh"
23 #include "font-interface.hh"
24 #include "dimensions.hh"
25 #include "output-def.hh"
27 #include "paper-column.hh"
28 #include "staff-symbol-referencer.hh"
29 #include "note-column.hh"
30 #include "directional-element-interface.hh"
32 #include "rhythmic-head.hh"
33 #include "pointer-group-interface.hh"
37 DECLARE_SCHEME_CALLBACK (print, (SCM));
41 TODO: the string for ottava shoudl depend on the available space, ie.
43 Long: 15ma Short: 15ma Empty: 15
47 MAKE_SCHEME_CALLBACK (Ottava_bracket, print, 1);
49 Ottava_bracket::print (SCM smob)
51 Spanner *me = unsmob<Spanner> (smob);
54 Grob *common = me->get_bound (LEFT)->common_refpoint (me->get_bound (RIGHT), X_AXIS);
55 Output_def *layout = me->layout ();
57 Drul_array<bool> broken;
58 for (LEFT_and_RIGHT (d))
60 Item *b = me->get_bound (d);
61 broken[d] = (b->break_status_dir () != CENTER);
63 if (has_interface<Note_column> (b))
65 extract_grob_set (b, "note-heads", heads);
66 common = common_refpoint_of_array (heads, common, X_AXIS);
67 for (vsize i = 0; i < heads.size (); i++)
70 Grob *dots = Rhythmic_head::get_dots (h);
72 common = dots->common_refpoint (common, X_AXIS);
77 SCM properties = Font_interface::text_font_alist_chain (me);
78 SCM markup = me->get_property ("text");
80 if (Text_interface::is_markup (markup))
81 text = *unsmob<Stencil> (Text_interface::interpret_markup (layout->self_scm (),
84 Drul_array<Real> shorten = robust_scm2interval (me->get_property ("shorten-pair"),
88 TODO: we should check if there are ledgers, and modify length of
91 for (LEFT_and_RIGHT (d))
93 Item *b = me->get_bound (d);
96 if (has_interface<Note_column> (b))
98 extract_grob_set (b, "note-heads", heads);
99 for (vsize i = 0; i < heads.size (); i++)
102 ext.unite (h->extent (common, X_AXIS));
103 Grob *dots = Rhythmic_head::get_dots (h);
105 if (dots && d == RIGHT)
106 ext.unite (dots->extent (common, X_AXIS));
111 ext = robust_relative_extent (b, common, X_AXIS);
115 span_points[d] = Axis_group_interface::generic_bound_extent (b, common, X_AXIS)[RIGHT];
120 span_points[d] = ext[d];
122 span_points[d] -= d * shorten[d];
126 0.3 is ~ italic correction.
128 Real text_size = text.extent (X_AXIS).is_empty ()
129 ? 0.0 : text.extent (X_AXIS)[RIGHT] + 0.3;
132 = min (span_points[LEFT],
133 (span_points[RIGHT] - text_size
134 - robust_scm2double (me->get_property ("minimum-length"), -1.0)));
136 Interval bracket_span_points = span_points;
137 bracket_span_points[LEFT] += text_size;
139 Drul_array<Real> edge_height = robust_scm2interval (me->get_property ("edge-height"),
140 Interval (1.0, 1.0));
142 Drul_array<Real> flare = robust_scm2interval (me->get_property ("bracket-flare"),
145 for (LEFT_and_RIGHT (d))
147 edge_height[d] *= -get_grob_direction (me);
149 edge_height[d] = 0.0;
155 if (!bracket_span_points.is_empty () && bracket_span_points.length () > 0.001)
156 b = Bracket::make_bracket (
157 me, Y_AXIS, Offset (bracket_span_points.length (), 0),
158 edge_height, empty, flare, Drul_array<Real> (0, 0));
161 * The vertical lines should not take space, for the following scenario:
168 * Just a small amount, yes. In tight situations, it is even
169 * possible to center the `8' directly below the note, dropping the
170 * ottava line completely...
173 b = Stencil (Box (b.extent (X_AXIS),
174 Interval (0.1, 0.1)),
177 b.translate_axis (bracket_span_points[LEFT], X_AXIS);
178 text.translate_axis (span_points[LEFT], X_AXIS);
179 text.align_to (Y_AXIS, CENTER);
180 b.add_stencil (text);
182 b.translate_axis (- me->relative_coordinate (common, X_AXIS), X_AXIS);
184 return b.smobbed_copy ();
187 ADD_INTERFACE (Ottava_bracket,
188 "An ottava bracket.",