2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2005--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 "engraver.hh"
22 #include "axis-group-interface.hh"
26 #include "note-head.hh"
28 #include "pointer-group-interface.hh"
29 #include "side-position-interface.hh"
30 #include "stream-event.hh"
33 #include "translator.icc"
35 class Pitched_trill_engraver : public Engraver
38 TRANSLATOR_DECLARATIONS (Pitched_trill_engraver);
41 DECLARE_ACKNOWLEDGER (note_head);
42 DECLARE_ACKNOWLEDGER (dots);
43 DECLARE_ACKNOWLEDGER (stem);
44 DECLARE_ACKNOWLEDGER (flag);
45 DECLARE_ACKNOWLEDGER (trill_spanner);
46 void stop_translation_timestep ();
51 Item *trill_accidental_;
53 vector<Grob *> heads_;
55 void make_trill (Stream_event *);
58 Pitched_trill_engraver::Pitched_trill_engraver ()
62 trill_accidental_ = 0;
66 Pitched_trill_engraver::acknowledge_dots (Grob_info info)
68 heads_.push_back (info.grob ());
71 Pitched_trill_engraver::acknowledge_stem (Grob_info info)
73 heads_.push_back (info.grob ());
76 Pitched_trill_engraver::acknowledge_flag (Grob_info info)
78 heads_.push_back (info.grob ());
81 Pitched_trill_engraver::acknowledge_note_head (Grob_info info)
83 heads_.push_back (info.grob ());
87 Pitched_trill_engraver::acknowledge_trill_spanner (Grob_info info)
89 Stream_event *ev = info.event_cause ();
91 && ev->in_event_class ("trill-span-event")
92 && to_dir (ev->get_property ("span-direction")) == START
93 && unsmob<Pitch> (ev->get_property ("pitch")))
98 Pitched_trill_engraver::make_trill (Stream_event *ev)
100 SCM scm_pitch = ev->get_property ("pitch");
101 Pitch *p = unsmob<Pitch> (scm_pitch);
103 SCM keysig = get_property ("localAlterations");
105 SCM key = scm_cons (scm_from_int (p->get_octave ()),
106 scm_from_int (p->get_notename ()));
108 int bn = measure_number (context ());
110 SCM handle = scm_assoc (key, keysig);
111 if (scm_is_true (handle))
113 bool same_bar = (bn == robust_scm2int (scm_caddr (handle), 0));
115 = (p->get_alteration () == robust_scm2rational (scm_cadr (handle), 0));
117 if (!same_bar || (same_bar && !same_alt))
121 bool print_acc = scm_is_false (handle)
122 || p->get_alteration () == Rational (0)
123 || to_boolean (ev->get_property ("force-accidental"));
127 programming_error ("already have a trill head.");
131 trill_head_ = make_item ("TrillPitchHead", ev->self_scm ());
132 SCM c0scm = get_property ("middleCPosition");
134 int c0 = scm_is_number (c0scm) ? scm_to_int (c0scm) : 0;
136 trill_head_->set_property ("staff-position",
137 scm_from_int (unsmob<Pitch> (scm_pitch)->steps ()
140 trill_group_ = make_item ("TrillPitchGroup", ev->self_scm ());
141 trill_group_->set_parent (trill_head_, Y_AXIS);
143 Axis_group_interface::add_element (trill_group_, trill_head_);
147 trill_accidental_ = make_item ("TrillPitchAccidental", ev->self_scm ());
149 // fixme: naming -> alterations
150 trill_accidental_->set_property ("alteration", ly_rational2scm (p->get_alteration ()));
151 Side_position_interface::add_support (trill_accidental_, trill_head_);
153 trill_head_->set_object ("accidental-grob", trill_accidental_->self_scm ());
154 trill_accidental_->set_parent (trill_head_, Y_AXIS);
155 Axis_group_interface::add_element (trill_group_, trill_accidental_);
160 Pitched_trill_engraver::stop_translation_timestep ()
163 for (vsize i = 0; i < heads_.size (); i++)
164 Side_position_interface::add_support (trill_group_, heads_[i]);
169 trill_accidental_ = 0;
172 ADD_ACKNOWLEDGER (Pitched_trill_engraver, note_head);
173 ADD_ACKNOWLEDGER (Pitched_trill_engraver, dots);
174 ADD_ACKNOWLEDGER (Pitched_trill_engraver, stem);
175 ADD_ACKNOWLEDGER (Pitched_trill_engraver, flag);
176 ADD_ACKNOWLEDGER (Pitched_trill_engraver, trill_spanner);
178 ADD_TRANSLATOR (Pitched_trill_engraver,
180 "Print the bracketed note head after a note head with trill.",
184 "TrillPitchAccidental "