2 phrasing-slur-engraver.cc -- implement Phrasing_slur_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
12 #include "directional-element-interface.hh"
13 #include "international.hh"
14 #include "note-column.hh"
20 It is possible that a slur starts and ends on the same note. At
21 least, it is for phrasing slurs: a note can be both beginning and
25 class Phrasing_slur_engraver : public Engraver
27 Drul_array<Music *> events_;
28 Music *running_slur_start_;
30 vector<Grob*> end_slurs_;
33 virtual bool try_music (Music *);
35 void acknowledge_extra_object (Grob_info);
36 DECLARE_ACKNOWLEDGER (accidental);
37 DECLARE_ACKNOWLEDGER (dynamic_line_spanner);
38 DECLARE_ACKNOWLEDGER (fingering);
39 DECLARE_ACKNOWLEDGER (note_column);
40 DECLARE_ACKNOWLEDGER (script);
41 DECLARE_ACKNOWLEDGER (slur);
42 DECLARE_ACKNOWLEDGER (text_script);
43 DECLARE_ACKNOWLEDGER (tie);
45 void stop_translation_timestep ();
46 virtual void finalize ();
47 void process_music ();
50 TRANSLATOR_DECLARATIONS (Phrasing_slur_engraver);
53 Phrasing_slur_engraver::Phrasing_slur_engraver ()
55 events_[START] = events_[STOP] = 0;
59 Phrasing_slur_engraver::try_music (Music *m)
61 if (m->is_mus_type ("phrasing-slur-event"))
64 Let's not start more than one slur per moment.
66 Direction d = to_dir (m->get_property ("span-direction"));
85 Phrasing_slur_engraver::acknowledge_note_column (Grob_info info)
87 Grob *e = info.grob ();
88 for (vsize i = slurs_.size (); i--;)
89 Slur::add_column (slurs_[i], e);
90 for (vsize i = end_slurs_.size (); i--;)
91 Slur::add_column (end_slurs_[i], e);
95 Phrasing_slur_engraver::acknowledge_extra_object (Grob_info info)
97 Slur::auxiliary_acknowledge_extra_object (info, slurs_, end_slurs_);
101 Phrasing_slur_engraver::acknowledge_accidental (Grob_info info)
103 acknowledge_extra_object (info);
107 Phrasing_slur_engraver::acknowledge_dynamic_line_spanner (Grob_info info)
109 acknowledge_extra_object (info);
113 Phrasing_slur_engraver::acknowledge_fingering (Grob_info info)
115 acknowledge_extra_object (info);
119 Phrasing_slur_engraver::acknowledge_script (Grob_info info)
121 acknowledge_extra_object (info);
125 Phrasing_slur_engraver::acknowledge_text_script (Grob_info info)
127 acknowledge_extra_object (info);
131 Phrasing_slur_engraver::acknowledge_tie (Grob_info info)
133 acknowledge_extra_object (info);
137 Phrasing_slur_engraver::acknowledge_slur (Grob_info info)
139 acknowledge_extra_object (info);
143 Phrasing_slur_engraver::finalize ()
146 slurs_[0]->warning (_ ("unterminated phrasing slur"));
150 Phrasing_slur_engraver::process_music ()
158 if (events_[START] && slurs_.empty ())
160 Music *ev = events_[START];
162 Grob *slur = make_spanner ("PhrasingSlur", events_[START]->self_scm ());
163 Direction updown = to_dir (ev->get_property ("direction"));
165 set_grob_direction (slur, updown);
167 slurs_.push_back (slur);
172 Phrasing_slur_engraver::stop_translation_timestep ()
175 events_[START] = events_[STOP] = 0;
178 #include "translator.icc"
180 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, accidental);
181 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, dynamic_line_spanner);
182 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, fingering)
183 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, note_column);
184 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, script);
185 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, slur);
186 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, text_script);
187 ADD_ACKNOWLEDGER (Phrasing_slur_engraver, tie);
189 ADD_TRANSLATOR (Phrasing_slur_engraver,
190 /* doc */ "Print phrasing slurs. Similar to @ref{Slur_engraver}",
191 /* create */ "PhrasingSlur",
192 /* accept */ "phrasing-slur-event",