2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1997--2011 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"
23 #include "directional-element-interface.hh"
24 #include "international.hh"
25 #include "note-column.hh"
28 #include "stream-event.hh"
31 #include "translator.icc"
37 This is largely similar to Slur_engraver. Check if fixes
40 (on principle, engravers don't use inheritance for code sharing)
45 It is possible that a slur starts and ends on the same note. At
46 least, it is for phrasing slurs: a note can be both beginning and
50 class Phrasing_slur_engraver : public Engraver
52 vector<Stream_event *> start_events_;
53 vector<Stream_event *> stop_events_;
55 vector<Grob*> end_slurs_;
58 DECLARE_TRANSLATOR_LISTENER (phrasing_slur);
59 DECLARE_ACKNOWLEDGER (accidental);
60 DECLARE_ACKNOWLEDGER (fingering);
61 DECLARE_ACKNOWLEDGER (note_column);
62 DECLARE_ACKNOWLEDGER (slur);
63 DECLARE_ACKNOWLEDGER (script);
64 DECLARE_ACKNOWLEDGER (text_script);
65 DECLARE_ACKNOWLEDGER (tie);
66 DECLARE_ACKNOWLEDGER (tuplet_number);
68 void acknowledge_extra_object (Grob_info);
69 void stop_translation_timestep ();
70 void process_music ();
72 virtual void finalize ();
76 TRANSLATOR_DECLARATIONS (Phrasing_slur_engraver);
79 Phrasing_slur_engraver::Phrasing_slur_engraver ()
83 IMPLEMENT_TRANSLATOR_LISTENER (Phrasing_slur_engraver, phrasing_slur);
85 Phrasing_slur_engraver::listen_phrasing_slur (Stream_event *ev)
87 Direction d = to_dir (ev->get_property ("span-direction"));
89 start_events_.push_back(ev);
91 stop_events_.push_back(ev);
92 else ev->origin ()->warning (_f ("direction of %s invalid: %d",
93 "phrasing-slur-event", int (d)));
97 Phrasing_slur_engraver::acknowledge_note_column (Grob_info info)
99 Grob *e = info.grob ();
100 for (vsize i = slurs_.size (); i--;)
101 Slur::add_column (slurs_[i], e);
102 for (vsize i = end_slurs_.size (); i--;)
103 Slur::add_column (end_slurs_[i], e);
107 Phrasing_slur_engraver::acknowledge_extra_object (Grob_info info)
109 Slur::auxiliary_acknowledge_extra_object (info, slurs_, end_slurs_);
113 Phrasing_slur_engraver::acknowledge_accidental (Grob_info info)
115 acknowledge_extra_object (info);
119 Phrasing_slur_engraver::acknowledge_fingering (Grob_info info)
121 acknowledge_extra_object (info);
125 Phrasing_slur_engraver::acknowledge_tuplet_number (Grob_info info)
127 acknowledge_extra_object (info);
131 Phrasing_slur_engraver::acknowledge_script (Grob_info info)
133 if (!info.grob ()->internal_has_interface (ly_symbol2scm ("dynamic-interface")))
134 acknowledge_extra_object (info);
138 Phrasing_slur_engraver::acknowledge_text_script (Grob_info info)
140 acknowledge_extra_object (info);
144 Phrasing_slur_engraver::acknowledge_tie (Grob_info info)
146 acknowledge_extra_object (info);
150 Phrasing_slur_engraver::acknowledge_slur (Grob_info info)
152 acknowledge_extra_object (info);
156 Phrasing_slur_engraver::finalize ()
158 for (vsize i = 0; i < slurs_.size (); i++)
160 slurs_[i]->warning (_ ("unterminated phrasing slur"));
161 slurs_[i]->suicide ();
166 Phrasing_slur_engraver::process_music ()
168 for (vsize i = 0; i < stop_events_.size (); i++)
170 Stream_event *ev = stop_events_[i];
171 string id = robust_scm2string (ev->get_property ("spanner-id"), "");
173 // Find the slur that is ended with this event (by checking the spanner-id)
175 for (vsize j = slurs_.size (); j--;)
177 if (id == robust_scm2string (slurs_[j]->get_property ("spanner-id"), ""))
180 end_slurs_.push_back (slurs_[j]);
181 slurs_.erase (slurs_.begin () + j);
185 ev->origin ()->warning (_ ("cannot end phrasing slur"));
188 for (vsize i = 0; i < start_events_.size (); i++)
190 Stream_event *ev = start_events_[i];
191 string id = robust_scm2string (ev->get_property ("spanner-id"), "");
192 bool have_slur = false;
193 // Check if we already have a slur with the same spanner-id.
194 // In that case, don't create a new slur, but print a warning
195 for (vsize i = 0; i < slurs_.size (); i++)
196 have_slur = have_slur || (id == robust_scm2string (slurs_[i]->get_property ("spanner-id"), ""));
199 ev->origin ()->warning(_ ("already have phrasing slur"));
202 Grob *slur = make_spanner ("PhrasingSlur", ev->self_scm ());
203 Direction updown = to_dir (ev->get_property ("direction"));
204 slur->set_property ("spanner-id", ly_string2scm (id));
206 set_grob_direction (slur, updown);
207 slurs_.push_back (slur);
213 Phrasing_slur_engraver::stop_translation_timestep ()
216 start_events_.clear ();
217 stop_events_.clear ();
220 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, accidental);
221 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, fingering)
222 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, note_column);
223 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, slur);
224 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, script);
225 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, text_script);
226 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, tie);
227 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, tuplet_number);
229 ADD_TRANSLATOR (Phrasing_slur_engraver,
231 "Print phrasing slurs. Similar to @ref{Slur_engraver}.",