2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1997--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 "note-head.hh"
24 #include <algorithm> // min, max
27 #include "directional-element-interface.hh"
28 #include "font-interface.hh"
30 #include "international.hh"
31 #include "staff-symbol.hh"
32 #include "staff-symbol-referencer.hh"
38 internal_print (Grob *me, string *font_char)
40 string style = robust_symbol2string (me->get_property ("style"), "default");
42 string suffix = ::to_string (std::min (robust_scm2int (me->get_property ("duration-log"), 2), 2));
43 if (style != "default")
44 suffix = robust_scm2string (me->get_property ("glyph-name"), "");
46 Font_metric *fm = Font_interface::get_default_font (me);
48 string prefix = "noteheads.";
51 string idx_either = idx_symmetric = prefix + "s";
52 Stencil out = fm->find_by_name (idx_either + suffix);
55 Grob *stem = unsmob<Grob> (me->get_object ("stem"));
56 Direction stem_dir = stem ? get_grob_direction (stem) : CENTER;
58 if (stem_dir == CENTER)
59 programming_error ("must have stem dir for note head");
61 idx_either = idx_directed = prefix + (stem_dir == UP ? "u" : "d");
62 out = fm->find_by_name (idx_either + suffix);
65 if (style == "mensural"
66 || style == "neomensural"
67 || style == "petrucci"
71 if (!Staff_symbol_referencer::on_line
73 robust_scm2int (me->get_property ("staff-position"), 0)))
75 Stencil test = fm->find_by_name (idx_either + "r" + suffix);
76 if (!test.is_empty ())
85 && 3 == robust_scm2int (me->get_property ("duration-log"), 2))
87 Grob *stem = unsmob<Grob> (me->get_object ("stem"));
88 Grob *beam = unsmob<Grob> (stem->get_object ("beam"));
90 out = fm->find_by_name (idx_either + "2kievan");
96 me->warning (_f ("none of note heads `%s' or `%s' found",
97 idx_symmetric.c_str (), idx_directed.c_str ()));
98 out = Stencil (Box (Interval (0, 0), Interval (0, 0)), SCM_EOL);
101 *font_char = idx_either;
107 TODO: make stem X-parent of notehead.
109 MAKE_SCHEME_CALLBACK (Note_head, stem_x_shift, 1);
111 Note_head::stem_x_shift (SCM smob)
113 Grob *me = unsmob<Grob> (smob);
114 Grob *stem = unsmob<Grob> (me->get_object ("stem"));
116 (void) stem->get_property ("positioning-done");
118 return scm_from_int (0);
121 MAKE_SCHEME_CALLBACK (Note_head, print, 1);
123 Note_head::print (SCM smob)
125 Grob *me = unsmob<Grob> (smob);
128 return internal_print (me, &idx).smobbed_copy ();
131 MAKE_SCHEME_CALLBACK (Note_head, include_ledger_line_height, 1);
133 Note_head::include_ledger_line_height (SCM smob)
135 Grob *me = unsmob<Grob> (smob);
136 Grob *staff = Staff_symbol_referencer::get_staff_symbol (me);
140 Real ss = Staff_symbol::staff_space (staff);
141 Interval lines = Staff_symbol::line_span (staff) * (ss / 2.0);
142 Real my_pos = Staff_symbol_referencer::get_position (me) * ss / 2.0;
143 Interval my_ext = me->extent (me, Y_AXIS) + my_pos;
145 // The +1 and -1 come from the fact that we only want to add
146 // the interval between the note and the first ledger line, not
147 // the whole interval between the note and the staff.
148 Interval iv (std::min (0.0, lines[UP] - my_ext[DOWN] + 1),
149 std::max (0.0, lines[DOWN] - my_ext[UP] - 1));
150 return ly_interval2scm (iv);
153 return ly_interval2scm (Interval (0, 0));
157 Note_head::stem_attachment_coordinate (Grob *me, Axis a)
159 Offset off = robust_scm2offset (me->get_property ("stem-attachment"),
166 Note_head::get_stem_attachment (Font_metric *fm, const string &key)
170 int k = fm->name_to_index (key);
173 Box b = fm->get_indexed_char_dimensions (k);
174 Offset wxwy = fm->attachment_point (key);
175 for (int i = X_AXIS; i < NO_AXES; i++)
182 att[a] = (2 * (wxwy[a] - v.center ()) / v.length ());
190 MAKE_SCHEME_CALLBACK (Note_head, calc_stem_attachment, 1);
192 Note_head::calc_stem_attachment (SCM smob)
194 Grob *me = unsmob<Grob> (smob);
195 Font_metric *fm = Font_interface::get_default_font (me);
197 internal_print (me, &key);
199 return ly_offset2scm (get_stem_attachment (fm, key));
202 ADD_INTERFACE (Note_head,
203 "A note head. There are many possible values for"
204 " @code{style}. For a complete list, see"
205 " @ruser{Note head styles}.",