2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1997--2012 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_;
54 vector<Grob_info> objects_to_acknowledge_;
57 DECLARE_TRANSLATOR_LISTENER (phrasing_slur);
58 DECLARE_ACKNOWLEDGER (inline_accidental);
59 DECLARE_ACKNOWLEDGER (fingering);
60 DECLARE_ACKNOWLEDGER (note_column);
61 DECLARE_ACKNOWLEDGER (slur);
62 DECLARE_ACKNOWLEDGER (script);
63 DECLARE_ACKNOWLEDGER (dots);
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 ();
75 TRANSLATOR_DECLARATIONS (Phrasing_slur_engraver);
78 Phrasing_slur_engraver::Phrasing_slur_engraver ()
82 IMPLEMENT_TRANSLATOR_LISTENER (Phrasing_slur_engraver, phrasing_slur);
84 Phrasing_slur_engraver::listen_phrasing_slur (Stream_event *ev)
86 Direction d = to_dir (ev->get_property ("span-direction"));
88 start_events_.push_back (ev);
90 stop_events_.push_back (ev);
91 else ev->origin ()->warning (_f ("direction of %s invalid: %d",
92 "phrasing-slur-event", int (d)));
96 Phrasing_slur_engraver::acknowledge_note_column (Grob_info info)
98 Grob *e = info.grob ();
99 for (vsize i = slurs_.size (); i--;)
100 Slur::add_column (slurs_[i], e);
101 for (vsize i = end_slurs_.size (); i--;)
102 Slur::add_column (end_slurs_[i], e);
106 Phrasing_slur_engraver::acknowledge_extra_object (Grob_info info)
108 objects_to_acknowledge_.push_back (info);
112 Phrasing_slur_engraver::acknowledge_inline_accidental (Grob_info info)
114 acknowledge_extra_object (info);
118 Phrasing_slur_engraver::acknowledge_dots (Grob_info info)
120 acknowledge_extra_object (info);
124 Phrasing_slur_engraver::acknowledge_fingering (Grob_info info)
126 acknowledge_extra_object (info);
130 Phrasing_slur_engraver::acknowledge_tuplet_number (Grob_info info)
132 acknowledge_extra_object (info);
136 Phrasing_slur_engraver::acknowledge_script (Grob_info info)
138 if (!info.grob ()->internal_has_interface (ly_symbol2scm ("dynamic-interface")))
139 acknowledge_extra_object (info);
143 Phrasing_slur_engraver::acknowledge_text_script (Grob_info info)
145 acknowledge_extra_object (info);
149 Phrasing_slur_engraver::acknowledge_tie (Grob_info info)
151 acknowledge_extra_object (info);
155 Phrasing_slur_engraver::acknowledge_slur (Grob_info info)
157 acknowledge_extra_object (info);
161 Phrasing_slur_engraver::finalize ()
163 for (vsize i = 0; i < slurs_.size (); i++)
165 slurs_[i]->warning (_ ("unterminated phrasing slur"));
166 slurs_[i]->suicide ();
171 Phrasing_slur_engraver::process_music ()
173 for (vsize i = 0; i < stop_events_.size (); i++)
175 Stream_event *ev = stop_events_[i];
176 string id = robust_scm2string (ev->get_property ("spanner-id"), "");
178 // Find the slur that is ended with this event (by checking the spanner-id)
180 for (vsize j = slurs_.size (); j--;)
182 if (id == robust_scm2string (slurs_[j]->get_property ("spanner-id"), ""))
185 end_slurs_.push_back (slurs_[j]);
186 slurs_.erase (slurs_.begin () + j);
190 ev->origin ()->warning (_ ("cannot end phrasing slur"));
193 for (vsize i = 0; i < start_events_.size (); i++)
195 Stream_event *ev = start_events_[i];
196 string id = robust_scm2string (ev->get_property ("spanner-id"), "");
197 bool have_slur = false;
198 // Check if we already have a slur with the same spanner-id.
199 // In that case, don't create a new slur, but print a warning
200 for (vsize i = 0; i < slurs_.size (); i++)
201 have_slur = have_slur || (id == robust_scm2string (slurs_[i]->get_property ("spanner-id"), ""));
204 ev->origin ()->warning (_ ("already have phrasing slur"));
207 Grob *slur = make_spanner ("PhrasingSlur", ev->self_scm ());
208 Direction updown = to_dir (ev->get_property ("direction"));
209 slur->set_property ("spanner-id", ly_string2scm (id));
211 set_grob_direction (slur, updown);
212 slurs_.push_back (slur);
218 Phrasing_slur_engraver::stop_translation_timestep ()
220 for (vsize i = 0; i < objects_to_acknowledge_.size (); i++)
221 Slur::auxiliary_acknowledge_extra_object (objects_to_acknowledge_[i], slurs_, end_slurs_);
224 start_events_.clear ();
225 stop_events_.clear ();
226 objects_to_acknowledge_.clear ();
229 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, inline_accidental);
230 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, fingering)
231 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, note_column);
232 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, slur);
233 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, script);
234 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, dots);
235 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, text_script);
236 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, tie);
237 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, tuplet_number);
239 ADD_TRANSLATOR (Phrasing_slur_engraver,
241 "Print phrasing slurs. Similar to @ref{Slur_engraver}.",