4 (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "rhythmic-head.hh"
10 #include "engraver.hh"
12 #include "side-position-interface.hh"
13 #include "script-interface.hh"
15 #include "note-column.hh"
16 #include "duration.hh"
18 class Drum_notes_engraver : public Engraver
20 Link_array<Item> notes_;
21 Link_array<Item> dots_;
22 Link_array<Item> scripts_;
23 Link_array<Music> events_;
26 TRANSLATOR_DECLARATIONS (Drum_notes_engraver);
29 virtual bool try_music (Music *ev);
30 void process_music ();
31 DECLARE_ACKNOWLEDGER (stem);
32 DECLARE_ACKNOWLEDGER (note_column);
33 void stop_translation_timestep ();
36 Drum_notes_engraver::Drum_notes_engraver ()
41 Drum_notes_engraver::try_music (Music *m)
43 if (m->is_mus_type ("note-event"))
48 else if (m->is_mus_type ("busy-playing-event"))
49 return events_.size ();
55 Drum_notes_engraver::process_music ()
58 for (int i = 0; i < events_.size (); i++)
61 tab = get_property ("drumStyleTable");
63 Music *ev = events_[i];
64 Item *note = make_item ("NoteHead", ev->self_scm ());
66 Duration dur = *unsmob_duration (ev->get_property ("duration"));
68 note->set_property ("duration-log", scm_from_int (dur.duration_log ()));
72 Item *d = make_item ("Dots", ev->self_scm ());
73 Rhythmic_head::set_dots (note, d);
76 != robust_scm2int (d->get_property ("dot-count"), 0))
77 d->set_property ("dot-count", scm_from_int (dur.dot_count ()));
79 d->set_parent (note, Y_AXIS);
84 SCM drum_type = ev->get_property ("drum-type");
88 if (scm_hash_table_p (tab) == SCM_BOOL_T)
89 defn = scm_hashq_ref (tab, drum_type, SCM_EOL);
91 if (scm_is_pair (defn))
93 SCM pos = scm_caddr (defn);
94 SCM style = scm_car (defn);
95 SCM script = scm_cadr (defn);
97 if (scm_integer_p (pos) == SCM_BOOL_T)
98 note->set_property ("staff-position", pos);
99 if (scm_is_symbol (style))
100 note->set_property ("style", style);
102 if (scm_is_string (script))
104 Item *p = make_item ("Script", ev->self_scm ());
106 make_script_from_event (p, &follow,
110 if (p->get_property ("follow-into-staff"))
111 p->set_property ("staff-padding", SCM_EOL);
113 p->set_parent (note, Y_AXIS);
114 Side_position_interface::add_support (p, note);
124 Drum_notes_engraver::acknowledge_stem (Grob_info inf)
126 for (int i = 0; i < scripts_.size (); i++)
128 Grob *e = scripts_[i];
130 if (to_dir (e->get_property ("side-relative-direction")))
131 e->set_object ("direction-source", inf.grob ()->self_scm ());
136 e->add_dependency (inf.grob ());
137 Side_position_interface::add_support (e, inf.grob ());
141 Drum_notes_engraver::acknowledge_note_column (Grob_info inf)
143 for (int i = 0; i < scripts_.size (); i++)
145 Grob *e = scripts_[i];
147 if (!e->get_parent (X_AXIS)
148 && Side_position_interface::get_axis (e) == Y_AXIS)
149 e->set_parent (inf.grob (), X_AXIS);
154 Drum_notes_engraver::stop_translation_timestep ()
163 #include "translator.icc"
165 ADD_ACKNOWLEDGER (Drum_notes_engraver, stem);
166 ADD_ACKNOWLEDGER (Drum_notes_engraver, note_column);
167 ADD_TRANSLATOR (Drum_notes_engraver,
168 /* doc */ "Generate noteheads.",
169 /* create */ "NoteHead Dots Script",
170 /* accept */ "note-event busy-playing-event",
171 /* read */ "drumStyleTable",