2 head-grav.cc -- part of GNU LilyPond
4 (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "rhythmic-head.hh"
10 #include "paper-def.hh"
13 #include "dot-column.hh"
14 #include "staff-symbol-referencer.hh"
16 #include "score-engraver.hh"
20 make (guitar-like) tablature note
22 class Tab_note_heads_engraver : public Engraver
24 Link_array<Item> notes_;
26 Link_array<Item> dots_;
27 Link_array<Music> note_events_;
28 Link_array<Music> tabstring_events_;
30 TRANSLATOR_DECLARATIONS(Tab_note_heads_engraver);
33 virtual void start_translation_timestep ();
34 virtual bool try_music (Music *event) ;
35 virtual void process_music ();
37 virtual void stop_translation_timestep ();
41 Tab_note_heads_engraver::Tab_note_heads_engraver()
46 Tab_note_heads_engraver::try_music (Music *m)
48 if (m->is_mus_type ("note-event"))
50 note_events_.push (m);
53 else if (m->is_mus_type ("string-number-event"))
55 tabstring_events_.push (m);
58 else if (m->is_mus_type ("busy-playing-event"))
60 return note_events_.size ();
68 Tab_note_heads_engraver::process_music ()
71 for (int i=0; i < note_events_.size (); i++)
76 SCM stringTunings = get_property ("stringTunings");
77 int number_of_strings = ((int) gh_length(stringTunings));
78 bool high_string_one = to_boolean(get_property ("highStringOne"));
80 Item * note = new Item (get_property ("TabNoteHead"));
82 Music * event = note_events_[i];
85 Music * tabstring_event=0;
87 for (SCM s =event->get_mus_property ("articulations");
88 !tabstring_event && gh_pair_p (s); s = gh_cdr (s))
90 Music * art = unsmob_music (gh_car (s));
92 if (art->is_mus_type ("string-number-event"))
93 tabstring_event = art;
96 if (!tabstring_event && j < tabstring_events_.size ())
98 tabstring_event = tabstring_events_[j];
99 if (j +1 < tabstring_events_.size())
107 tab_string = gh_scm2int(tabstring_event->get_mus_property ("string-number"));
112 tab_string = high_string_one ? 1 : number_of_strings;
113 string_found = false;
116 Duration dur = *unsmob_duration (event->get_mus_property ("duration"));
117 note->set_grob_property ("duration-log",
118 gh_int2scm (dur.duration_log ()));
120 if (dur.dot_count ())
122 Item * d = new Item (get_property ("Dots"));
123 Rhythmic_head::set_dots (note, d);
126 != gh_scm2int (d->get_grob_property ("dot-count")))
127 d->set_grob_property ("dot-count", gh_int2scm (dur.dot_count ()));
129 d->set_parent (note, Y_AXIS);
130 announce_grob (d, SCM_EOL);
135 SCM scm_pitch = event->get_mus_property ("pitch");
136 SCM proc = get_property ("tablatureFormat");
137 SCM min_fret_scm = get_property ("minimumFret");
138 int min_fret = gh_number_p(min_fret_scm) ? gh_scm2int(min_fret_scm) : 0;
142 int fret = unsmob_pitch(scm_pitch)->semitone_pitch()
143 - gh_scm2int(gh_list_ref(stringTunings,gh_int2scm(tab_string-1)));
145 tab_string += high_string_one ? 1 : -1;
150 SCM text = gh_call3 (proc, gh_int2scm (tab_string), stringTunings, scm_pitch);
152 int pos = 2 * tab_string - number_of_strings - 1; // No tab-note between the string !!!
153 if(to_boolean(get_property("stringOneTopmost")))
156 note->set_grob_property ("text", text);
158 note->set_grob_property ("staff-position", gh_int2scm (pos));
159 announce_grob (note, event->self_scm());
165 Tab_note_heads_engraver::stop_translation_timestep ()
167 for (int i=0; i < notes_.size (); i++)
169 typeset_grob (notes_[i]);
173 for (int i=0; i < dots_.size (); i++)
175 typeset_grob (dots_[i]);
179 note_events_.clear ();
180 tabstring_events_.clear ();
184 Tab_note_heads_engraver::start_translation_timestep ()
189 ENTER_DESCRIPTION(Tab_note_heads_engraver,
190 /* descr */ "Generate one or more tablature noteheads from Music of type NoteEvent.",
191 /* creats*/ "TabNoteHead Dots",
192 /* accepts */ "note-event string-number-event busy-playing-event",
194 /* reads */ "centralCPosition stringTunings minimumFret tablatureFormat highStringOne stringOneTopmost",