4 (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #include "rhythmic-head.hh"
11 #include "engraver.hh"
13 #include "side-position-interface.hh"
14 #include "script-interface.hh"
16 #include "note-column.hh"
17 #include "duration.hh"
19 class Drum_notes_engraver : public Engraver
23 vector<Item*> scripts_;
24 vector<Music*> events_;
27 TRANSLATOR_DECLARATIONS (Drum_notes_engraver);
30 virtual bool try_music (Music *ev);
31 void process_music ();
32 DECLARE_ACKNOWLEDGER (stem);
33 DECLARE_ACKNOWLEDGER (note_column);
34 void stop_translation_timestep ();
37 Drum_notes_engraver::Drum_notes_engraver ()
42 Drum_notes_engraver::try_music (Music *m)
44 if (m->is_mus_type ("note-event"))
46 events_.push_back (m);
54 Drum_notes_engraver::process_music ()
57 for (vsize i = 0; i < events_.size (); i++)
60 tab = get_property ("drumStyleTable");
62 Music *ev = events_[i];
63 Item *note = make_item ("NoteHead", ev->self_scm ());
65 Duration dur = *unsmob_duration (ev->get_property ("duration"));
67 note->set_property ("duration-log", scm_from_int (dur.duration_log ()));
71 Item *d = make_item ("Dots", ev->self_scm ());
72 Rhythmic_head::set_dots (note, d);
75 != robust_scm2int (d->get_property ("dot-count"), 0))
76 d->set_property ("dot-count", scm_from_int (dur.dot_count ()));
78 d->set_parent (note, Y_AXIS);
83 SCM drum_type = ev->get_property ("drum-type");
87 if (scm_hash_table_p (tab) == SCM_BOOL_T)
88 defn = scm_hashq_ref (tab, drum_type, SCM_EOL);
90 if (scm_is_pair (defn))
92 SCM pos = scm_caddr (defn);
93 SCM style = scm_car (defn);
94 SCM script = scm_cadr (defn);
96 if (scm_integer_p (pos) == SCM_BOOL_T)
97 note->set_property ("staff-position", pos);
98 if (scm_is_symbol (style))
99 note->set_property ("style", style);
101 if (scm_is_string (script))
103 Item *p = make_item ("Script", ev->self_scm ());
104 make_script_from_event (p, context (), script,
107 p->set_parent (note, Y_AXIS);
108 Side_position_interface::add_support (p, note);
109 scripts_.push_back (p);
113 notes_.push_back (note);
118 Drum_notes_engraver::acknowledge_stem (Grob_info inf)
120 for (vsize i = 0; i < scripts_.size (); i++)
122 Grob *e = scripts_[i];
124 if (to_dir (e->get_property ("side-relative-direction")))
125 e->set_object ("direction-source", inf.grob ()->self_scm ());
127 Side_position_interface::add_support (e, inf.grob ());
132 Drum_notes_engraver::acknowledge_note_column (Grob_info inf)
134 for (vsize i = 0; i < scripts_.size (); i++)
136 Grob *e = scripts_[i];
138 if (!e->get_parent (X_AXIS)
139 && Side_position_interface::get_axis (e) == Y_AXIS)
140 e->set_parent (inf.grob (), X_AXIS);
145 Drum_notes_engraver::stop_translation_timestep ()
154 #include "translator.icc"
156 ADD_ACKNOWLEDGER (Drum_notes_engraver, stem);
157 ADD_ACKNOWLEDGER (Drum_notes_engraver, note_column);
158 ADD_TRANSLATOR (Drum_notes_engraver,
159 /* doc */ "Generate noteheads.",
160 /* create */ "NoteHead Dots Script",
161 /* accept */ "note-event",
162 /* read */ "drumStyleTable",