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_;
29 Link_array<Text_script_req> tabstring_req_arr_;
32 TRANSLATOR_DECLARATIONS(Tab_note_heads_engraver);
35 virtual void start_translation_timestep ();
36 virtual bool try_music (Music *req_l) ;
37 virtual void process_music ();
39 virtual void stop_translation_timestep ();
43 Tab_note_heads_engraver::Tab_note_heads_engraver()
48 Tab_note_heads_engraver::try_music (Music *m)
50 if (Note_req * n =dynamic_cast <Note_req *> (m))
52 note_req_l_arr_.push (n);
55 else if (Text_script_req * ts = dynamic_cast<Text_script_req*> (m))
57 if (m->get_mus_property ("text-type") != ly_symbol2scm ("finger")) return false;
59 //if (tabstring_req_arr_.size () < note_req_l_arr_.size ()) {
60 tabstring_req_arr_.push (ts);
64 else if (dynamic_cast<Busy_playing_req*> (m))
66 return note_req_l_arr_.size ();
74 Tab_note_heads_engraver::process_music ()
77 for (int i=0; i < tabstring_req_arr_.size (); i++) {
78 Music * tabstring_req = tabstring_req_arr_[i];
81 char* tab_string_as_str = gh_scm2newstr(tabstring_req->get_mus_property ("text"), &lenp);
85 for (int i=0; i < note_req_l_arr_.size (); i++)
87 Item * note_p = new Item (get_property ("TabNoteHead"));
89 Music * req = note_req_l_arr_[i];
91 Music * tabstring_req = tabstring_req_arr_[i];
94 char* tab_string_as_str = gh_scm2newstr(tabstring_req->get_mus_property ("text"), &lenp);
95 int tab_string = atoi(tab_string_as_str);
97 Duration dur = *unsmob_duration (req->get_mus_property ("duration"));
99 note_p->set_grob_property ("duration-log", gh_int2scm (dur.duration_log ()));
101 if (dur.dot_count ())
103 Item * d = new Item (get_property ("Dots"));
104 Rhythmic_head::set_dots (note_p, d);
107 != gh_scm2int (d->get_grob_property ("dot-count")))
108 d->set_grob_property ("dot-count", gh_int2scm (dur.dot_count ()));
110 d->set_parent (note_p, Y_AXIS);
111 announce_grob (d, SCM_EOL);
115 int pos = 2 * tab_string - 2; // No tab-note between the string !!!
116 SCM c0 = get_property ("centralCPosition");
117 if (gh_number_p (c0)) pos += gh_scm2int (c0);
119 note_p->set_grob_property ("tab-string", gh_int2scm (tab_string));
121 note_p->set_grob_property ("staff-position", gh_int2scm (pos));
122 announce_grob (note_p, req->self_scm());
123 note_p_arr_.push (note_p);
128 Tab_note_heads_engraver::stop_translation_timestep ()
130 for (int i=0; i < note_p_arr_.size (); i++)
132 typeset_grob (note_p_arr_[i]);
135 note_p_arr_.clear ();
136 for (int i=0; i < dot_p_arr_.size (); i++)
138 typeset_grob (dot_p_arr_[i]);
142 note_req_l_arr_.clear ();
144 tabstring_req_arr_.clear ();
148 Tab_note_heads_engraver::start_translation_timestep ()
153 ENTER_DESCRIPTION(Tab_note_heads_engraver,
154 /* descr */ "Generate one or more tablature noteheads from Music of type Note_req.",
155 /* creats*/ "TabNoteHead Dots",
157 /* reads */ "centralCPosition",