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"
36 This is largely similar to Slur_engraver. Check if fixes
39 (on principle, engravers don't use inheritance for code sharing)
44 It is possible that a slur starts and ends on the same note. At
45 least, it is for phrasing slurs: a note can be both beginning and
48 class Phrasing_slur_engraver : public Engraver
50 vector<Stream_event *> start_events_;
51 vector<Stream_event *> stop_events_;
52 vector<Grob *> slurs_;
53 vector<Grob *> end_slurs_;
56 DECLARE_TRANSLATOR_LISTENER (phrasing_slur);
57 DECLARE_ACKNOWLEDGER (accidental);
58 DECLARE_ACKNOWLEDGER (fingering);
59 DECLARE_ACKNOWLEDGER (note_column);
60 DECLARE_ACKNOWLEDGER (slur);
61 DECLARE_ACKNOWLEDGER (script);
62 DECLARE_ACKNOWLEDGER (text_script);
63 DECLARE_ACKNOWLEDGER (tie);
64 DECLARE_ACKNOWLEDGER (tuplet_number);
66 void acknowledge_extra_object (Grob_info);
67 void stop_translation_timestep ();
68 void process_music ();
70 virtual void finalize ();
73 TRANSLATOR_DECLARATIONS (Phrasing_slur_engraver);
76 Phrasing_slur_engraver::Phrasing_slur_engraver ()
80 IMPLEMENT_TRANSLATOR_LISTENER (Phrasing_slur_engraver, phrasing_slur);
82 Phrasing_slur_engraver::listen_phrasing_slur (Stream_event *ev)
84 Direction d = to_dir (ev->get_property ("span-direction"));
86 start_events_.push_back (ev);
88 stop_events_.push_back (ev);
89 else ev->origin ()->warning (_f ("direction of %s invalid: %d",
90 "phrasing-slur-event", int (d)));
94 Phrasing_slur_engraver::acknowledge_note_column (Grob_info info)
96 Grob *e = info.grob ();
97 for (vsize i = slurs_.size (); i--;)
98 Slur::add_column (slurs_[i], e);
99 for (vsize i = end_slurs_.size (); i--;)
100 Slur::add_column (end_slurs_[i], e);
104 Phrasing_slur_engraver::acknowledge_extra_object (Grob_info info)
106 Slur::auxiliary_acknowledge_extra_object (info, slurs_, end_slurs_);
110 Phrasing_slur_engraver::acknowledge_accidental (Grob_info info)
112 acknowledge_extra_object (info);
116 Phrasing_slur_engraver::acknowledge_fingering (Grob_info info)
118 acknowledge_extra_object (info);
122 Phrasing_slur_engraver::acknowledge_tuplet_number (Grob_info info)
124 acknowledge_extra_object (info);
128 Phrasing_slur_engraver::acknowledge_script (Grob_info info)
130 if (!info.grob ()->internal_has_interface (ly_symbol2scm ("dynamic-interface")))
131 acknowledge_extra_object (info);
135 Phrasing_slur_engraver::acknowledge_text_script (Grob_info info)
137 acknowledge_extra_object (info);
141 Phrasing_slur_engraver::acknowledge_tie (Grob_info info)
143 acknowledge_extra_object (info);
147 Phrasing_slur_engraver::acknowledge_slur (Grob_info info)
149 acknowledge_extra_object (info);
153 Phrasing_slur_engraver::finalize ()
155 for (vsize i = 0; i < slurs_.size (); i++)
157 slurs_[i]->warning (_ ("unterminated phrasing slur"));
158 slurs_[i]->suicide ();
163 Phrasing_slur_engraver::process_music ()
165 for (vsize i = 0; i < stop_events_.size (); i++)
167 Stream_event *ev = stop_events_[i];
168 string id = robust_scm2string (ev->get_property ("spanner-id"), "");
170 // Find the slur that is ended with this event (by checking the spanner-id)
172 for (vsize j = slurs_.size (); j--;)
174 if (id == robust_scm2string (slurs_[j]->get_property ("spanner-id"), ""))
177 end_slurs_.push_back (slurs_[j]);
178 slurs_.erase (slurs_.begin () + j);
182 ev->origin ()->warning (_ ("cannot end phrasing slur"));
185 for (vsize i = 0; i < start_events_.size (); i++)
187 Stream_event *ev = start_events_[i];
188 string id = robust_scm2string (ev->get_property ("spanner-id"), "");
189 bool have_slur = false;
190 // Check if we already have a slur with the same spanner-id.
191 // In that case, don't create a new slur, but print a warning
192 for (vsize i = 0; i < slurs_.size (); i++)
193 have_slur = have_slur || (id == robust_scm2string (slurs_[i]->get_property ("spanner-id"), ""));
196 ev->origin ()->warning (_ ("already have phrasing slur"));
199 Grob *slur = make_spanner ("PhrasingSlur", ev->self_scm ());
200 Direction updown = to_dir (ev->get_property ("direction"));
201 slur->set_property ("spanner-id", ly_string2scm (id));
203 set_grob_direction (slur, updown);
204 slurs_.push_back (slur);
210 Phrasing_slur_engraver::stop_translation_timestep ()
213 start_events_.clear ();
214 stop_events_.clear ();
217 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, accidental);
218 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, fingering)
219 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, note_column);
220 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, slur);
221 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, script);
222 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, text_script);
223 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, tie);
224 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, tuplet_number);
226 ADD_TRANSLATOR (Phrasing_slur_engraver,
228 "Print phrasing slurs. Similar to @ref{Slur_engraver}.",