2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1999--2011 Michael Krause
5 Extensions for ancient notation (c) 2003--2011 by Juergen Reuter
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 "breathing-sign.hh"
23 #include "dimensions.hh"
24 #include "direction.hh"
25 #include "directional-element-interface.hh"
26 #include "font-interface.hh"
29 #include "output-def.hh"
30 #include "staff-symbol.hh"
31 #include "staff-symbol-referencer.hh"
32 #include "text-interface.hh"
35 UGH : this is full of C&P code. Consolidate! --hwn
39 Gregorian chant divisio minima. (Actually, this was the original
40 breathing sign by Michael. -- jr)
42 MAKE_SCHEME_CALLBACK (Breathing_sign, divisio_minima, 1);
44 Breathing_sign::divisio_minima (SCM smob)
46 Grob *me = unsmob_grob (smob);
47 Real staff_space = Staff_symbol_referencer::staff_space (me);
49 Real thickness = Staff_symbol_referencer::line_thickness (me);
50 thickness *= robust_scm2double (me->get_property ("thickness"), 1.0);
52 Real blotdiameter = me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"));
55 * Draw a small vertical line through the uppermost (or, depending
56 * on direction, lowermost) staff line.
58 Interval xdim (0, thickness);
59 Interval ydim (-0.5 * staff_space, +0.5 * staff_space);
61 Stencil out = Lookup::round_filled_box (b, blotdiameter);
62 return out.smobbed_copy ();
66 Gregorian chant divisio maior.
68 MAKE_SCHEME_CALLBACK (Breathing_sign, divisio_maior, 1);
70 Breathing_sign::divisio_maior (SCM smob)
72 Grob *me = unsmob_grob (smob);
73 Real staff_space = Staff_symbol_referencer::staff_space (me);
75 Real thickness = Staff_symbol_referencer::line_thickness (me);
76 thickness *= robust_scm2double (me->get_property ("thickness"), 1.0);
78 if (Staff_symbol_referencer::get_staff_symbol (me))
79 staff_size = (Staff_symbol_referencer::line_count (me) - 1) * staff_space;
83 Real blotdiameter = me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"));
86 * Draw a vertical line that is vertically centered in the staff
87 * (just like a bar). The height of this line should be a little
88 * more than half the size of the staff, such that the endings of
89 * the line are in the middle of a staff space.
91 int lines = Staff_symbol_referencer::line_count (me);
92 int height = lines / 2; // little more than half of staff size
93 if ((lines & 1) != (height & 1))
94 height++; // ensure endings are centered in staff space
96 Interval xdim (0, thickness);
97 Interval ydim (-0.5 * height, +0.5 * height);
99 Stencil out = Lookup::round_filled_box (b, blotdiameter);
100 return out.smobbed_copy ();
104 Gregorian chant divisio maxima.
106 MAKE_SCHEME_CALLBACK (Breathing_sign, divisio_maxima, 1);
108 Breathing_sign::divisio_maxima (SCM smob)
110 Grob *me = unsmob_grob (smob);
111 Real staff_space = Staff_symbol_referencer::staff_space (me);
113 Real thickness = Staff_symbol_referencer::line_thickness (me);
114 thickness *= robust_scm2double (me->get_property ("thickness"), 1.0);
116 if (Staff_symbol_referencer::get_staff_symbol (me))
117 staff_size = (Staff_symbol_referencer::line_count (me) - 1) * staff_space;
121 Real blotdiameter = me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"));
123 // like a "|" type bar
124 Interval xdim (0, thickness);
125 Interval ydim (-0.5 * staff_size, +0.5 * staff_size);
127 Stencil out = Lookup::round_filled_box (b, blotdiameter);
128 return out.smobbed_copy ();
132 Gregorian chant finalis.
134 MAKE_SCHEME_CALLBACK (Breathing_sign, finalis, 1);
136 Breathing_sign::finalis (SCM smob)
138 Grob *me = unsmob_grob (smob);
139 Real staff_space = Staff_symbol_referencer::staff_space (me);
141 Real thickness = Staff_symbol_referencer::line_thickness (me);
142 thickness *= robust_scm2double (me->get_property ("thickness"), 1.0);
144 if (Staff_symbol_referencer::get_staff_symbol (me))
145 staff_size = (Staff_symbol_referencer::line_count (me) - 1) * staff_space;
149 Real blotdiameter = me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"));
151 // like a "||" type bar
152 Interval xdim (0, thickness);
153 Interval ydim (-0.5 * staff_size, +0.5 * staff_size);
155 Stencil line1 = Lookup::round_filled_box (b, blotdiameter);
156 Stencil line2 (line1);
157 line2.translate_axis (0.5 * staff_space, X_AXIS);
158 line1.add_stencil (line2);
160 return line1.smobbed_copy ();
163 MAKE_SCHEME_CALLBACK (Breathing_sign, offset_callback, 1);
165 Breathing_sign::offset_callback (SCM smob)
167 Grob *me = unsmob_grob (smob);
169 Direction d = get_grob_direction (me);
173 set_grob_direction (me, d);
176 Grob *staff = Staff_symbol_referencer::get_staff_symbol (me);
179 Interval iv = Staff_symbol::line_span (staff);
180 Real inter = Staff_symbol::staff_space (me) / 2;
181 return scm_from_double (inter * iv[d]);
184 return scm_from_double (0.0);
187 ADD_INTERFACE (Breathing_sign,