4 (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #include "duration.hh"
11 #include "engraver.hh"
12 #include "note-column.hh"
13 #include "rhythmic-head.hh"
14 #include "side-position-interface.hh"
15 #include "script-interface.hh"
17 #include "stream-event.hh"
20 #include "translator.icc"
22 class Drum_notes_engraver : public Engraver
26 vector<Item*> scripts_;
27 vector<Stream_event*> events_;
30 TRANSLATOR_DECLARATIONS (Drum_notes_engraver);
33 void process_music ();
34 DECLARE_ACKNOWLEDGER (stem);
35 DECLARE_ACKNOWLEDGER (note_column);
36 DECLARE_TRANSLATOR_LISTENER (note);
37 void stop_translation_timestep ();
40 Drum_notes_engraver::Drum_notes_engraver ()
44 IMPLEMENT_TRANSLATOR_LISTENER (Drum_notes_engraver, note);
46 Drum_notes_engraver::listen_note (Stream_event *ev)
48 events_.push_back (ev);
52 Drum_notes_engraver::process_music ()
55 for (vsize i = 0; i < events_.size (); i++)
58 tab = get_property ("drumStyleTable");
60 Stream_event *ev = events_[i];
61 Item *note = make_item ("NoteHead", ev->self_scm ());
63 Duration dur = *unsmob_duration (ev->get_property ("duration"));
65 note->set_property ("duration-log", scm_from_int (dur.duration_log ()));
69 Item *d = make_item ("Dots", ev->self_scm ());
70 Rhythmic_head::set_dots (note, d);
73 != robust_scm2int (d->get_property ("dot-count"), 0))
74 d->set_property ("dot-count", scm_from_int (dur.dot_count ()));
76 d->set_parent (note, Y_AXIS);
81 SCM drum_type = ev->get_property ("drum-type");
85 if (scm_hash_table_p (tab) == SCM_BOOL_T)
86 defn = scm_hashq_ref (tab, drum_type, SCM_EOL);
88 if (scm_is_pair (defn))
90 SCM pos = scm_caddr (defn);
91 SCM style = scm_car (defn);
92 SCM script = scm_cadr (defn);
94 if (scm_integer_p (pos) == SCM_BOOL_T)
95 note->set_property ("staff-position", pos);
96 if (scm_is_symbol (style))
97 note->set_property ("style", style);
99 if (scm_is_string (script))
101 Item *p = make_item ("Script", ev->self_scm ());
102 make_script_from_event (p, context (), script,
105 p->set_parent (note, Y_AXIS);
106 Side_position_interface::add_support (p, note);
107 scripts_.push_back (p);
111 notes_.push_back (note);
116 Drum_notes_engraver::acknowledge_stem (Grob_info inf)
118 for (vsize i = 0; i < scripts_.size (); i++)
120 Grob *e = scripts_[i];
122 if (to_dir (e->get_property ("side-relative-direction")))
123 e->set_object ("direction-source", inf.grob ()->self_scm ());
125 Side_position_interface::add_support (e, inf.grob ());
130 Drum_notes_engraver::acknowledge_note_column (Grob_info inf)
132 for (vsize i = 0; i < scripts_.size (); i++)
134 Grob *e = scripts_[i];
136 if (!e->get_parent (X_AXIS)
137 && Side_position_interface::get_axis (e) == Y_AXIS)
138 e->set_parent (inf.grob (), X_AXIS);
143 Drum_notes_engraver::stop_translation_timestep ()
152 ADD_ACKNOWLEDGER (Drum_notes_engraver, stem);
153 ADD_ACKNOWLEDGER (Drum_notes_engraver, note_column);
154 ADD_TRANSLATOR (Drum_notes_engraver,
155 /* doc */ "Generate noteheads.",
156 /* create */ "NoteHead Dots Script",
157 /* accept */ "note-event",
158 /* read */ "drumStyleTable",