2 head-grav.cc -- part of GNU LilyPond
4 (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "rhythmic-head.hh"
10 #include "paper-def.hh"
11 #include "musical-request.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> note_p_arr_;
26 Link_array<Item> dot_p_arr_;
27 Link_array<Note_req> note_req_l_arr_;
28 Link_array<Text_script_req> tabstring_req_arr_;
30 TRANSLATOR_DECLARATIONS(Tab_note_heads_engraver);
33 virtual void start_translation_timestep ();
34 virtual bool try_music (Music *req_l) ;
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 (Note_req * n =dynamic_cast <Note_req *> (m))
50 note_req_l_arr_.push (n);
53 else if (Text_script_req * ts = dynamic_cast<Text_script_req*> (m))
55 if (m->get_mus_property ("text-type") != ly_symbol2scm ("finger")) return false;
57 //if (tabstring_req_arr_.size () < note_req_l_arr_.size ()) {
58 tabstring_req_arr_.push (ts);
62 else if (dynamic_cast<Busy_playing_req*> (m))
64 return note_req_l_arr_.size ();
72 Tab_note_heads_engraver::process_music ()
75 for (int i=0; i < tabstring_req_arr_.size (); i++) {
76 Music * tabstring_req = tabstring_req_arr_[i];
79 char* tab_string_as_str = gh_scm2newstr(tabstring_req->get_mus_property ("text"), &lenp);
83 for (int i=0; i < note_req_l_arr_.size (); i++)
85 Item * note_p = new Item (get_property ("TabNoteHead"));
87 Music * req = note_req_l_arr_[i];
89 Music * tabstring_req = tabstring_req_arr_[i];
92 char* tab_string_as_str = gh_scm2newstr(tabstring_req->get_mus_property ("text"), &lenp);
93 int tab_string = atoi(tab_string_as_str);
95 Duration dur = *unsmob_duration (req->get_mus_property ("duration"));
97 note_p->set_grob_property ("duration-log", gh_int2scm (dur.duration_log ()));
101 Item * d = new Item (get_property ("Dots"));
102 Rhythmic_head::set_dots (note_p, d);
105 != gh_scm2int (d->get_grob_property ("dot-count")))
106 d->set_grob_property ("dot-count", gh_int2scm (dur.dot_count ()));
108 d->set_parent (note_p, Y_AXIS);
109 announce_grob (d, SCM_EOL);
113 SCM stringTunings = get_property ("stringTunings");
114 int number_of_strings = ((int) gh_length(stringTunings));
116 int pos = 2 * tab_string - 2; // No tab-note between the string !!!
118 if (((float) (number_of_strings / 2)) != (((float) number_of_strings) / 2.0)) { // even number of string
122 SCM c0 = get_property ("centralCPosition");
123 if (gh_number_p (c0)) pos += gh_scm2int (c0);
125 SCM scm_pitch = req->get_mus_property ("pitch");
126 SCM proc = get_property ("tablatureFormat");
127 SCM text = gh_call3 (proc, gh_int2scm (tab_string), stringTunings, scm_pitch);
128 note_p->set_grob_property ("text", text);
130 note_p->set_grob_property ("staff-position", gh_int2scm (pos));
131 announce_grob (note_p, req->self_scm());
132 note_p_arr_.push (note_p);
137 Tab_note_heads_engraver::stop_translation_timestep ()
139 for (int i=0; i < note_p_arr_.size (); i++)
141 typeset_grob (note_p_arr_[i]);
144 note_p_arr_.clear ();
145 for (int i=0; i < dot_p_arr_.size (); i++)
147 typeset_grob (dot_p_arr_[i]);
151 note_req_l_arr_.clear ();
153 tabstring_req_arr_.clear ();
157 Tab_note_heads_engraver::start_translation_timestep ()
162 ENTER_DESCRIPTION(Tab_note_heads_engraver,
163 /* descr */ "Generate one or more tablature noteheads from Music of type Note_req.",
164 /* creats*/ "TabNoteHead Dots",
166 /* reads */ "centralCPosition stringTunings",