2 head-grav.cc -- part of GNU LilyPond
4 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7 #include "rhythmic-head.hh"
8 #include "paper-def.hh"
9 #include "musical-request.hh"
11 #include "dot-column.hh"
12 #include "staff-symbol-referencer.hh"
14 #include "score-engraver.hh"
20 class Note_heads_engraver : public Engraver
22 Link_array<Item> note_p_arr_;
23 Link_array<Item> dot_p_arr_;
24 Link_array<Note_req> note_req_l_arr_;
27 VIRTUAL_COPY_CONS(Translator);
28 Note_heads_engraver();
31 virtual void do_post_move_processing ();
32 virtual bool do_try_music (Music *req_l) ;
33 virtual void process_acknowledged ();
34 virtual void acknowledge_element (Score_element_info) ;
35 void deprecated_process_music();
36 virtual void do_pre_move_processing();
43 Note_heads_engraver::Note_heads_engraver()
48 Note_heads_engraver::do_try_music (Music *m)
50 if (Note_req * n =dynamic_cast <Note_req *> (m))
52 note_req_l_arr_.push (n);
53 note_end_mom_ = note_end_mom_ >? now_mom () + m->length_mom ();
57 else if ( dynamic_cast<Tonic_req*> (m))
61 else if ( dynamic_cast<Inversion_req*> (m))
65 else if (dynamic_cast<Bass_req*> (m))
69 else if (dynamic_cast<Busy_playing_req*> (m))
71 return now_mom () < note_end_mom_;
78 Note_heads_engraver::process_acknowledged ()
80 deprecated_process_music ();
84 Note_heads_engraver::acknowledge_element (Score_element_info)
86 //deprecated_process_music ();
90 Note_heads_engraver::deprecated_process_music()
92 if (note_p_arr_.size ())
95 for (int i=0; i < note_req_l_arr_.size (); i++)
97 Item *note_p = new Item (get_property ("NoteHead"));
99 Staff_symbol_referencer::set_interface (note_p);
103 Music * req = note_req_l_arr_[i];
105 Duration dur = *unsmob_duration (req->get_mus_property ("duration"));
106 note_p->set_elt_property ("duration-log",
107 gh_int2scm (dur.duration_log () <? 2));
109 if (dur.dot_count ())
111 Item * d = new Item (get_property ("Dots"));
112 Rhythmic_head::set_dots (note_p, d);
115 != gh_scm2int (d->get_elt_property ("dot-count")))
116 d->set_elt_property ("dot-count", gh_int2scm (dur.dot_count ()));
118 d->set_parent (note_p, Y_AXIS);
119 announce_element (d,0);
123 note_p->set_elt_property("staff-position", gh_int2scm (unsmob_pitch (req->get_mus_property ("pitch"))->steps ()));
125 announce_element (note_p,req);
126 note_p_arr_.push (note_p);
131 Note_heads_engraver::do_pre_move_processing()
133 for (int i=0; i < note_p_arr_.size (); i++)
135 typeset_element (note_p_arr_[i]);
137 note_p_arr_.clear ();
138 for (int i=0; i < dot_p_arr_.size (); i++)
140 typeset_element (dot_p_arr_[i]);
144 note_req_l_arr_.clear ();
148 Note_heads_engraver::do_post_move_processing ()
150 /* TODO:make this settable?
152 if (note_end_mom_ > now_mom())
154 Score_engraver * e = 0;
155 Translator * t = daddy_grav_l ();
156 for (; !e && t; t = t->daddy_trans_l_)
158 e = dynamic_cast<Score_engraver*> (t);
162 programming_error ("No score engraver!");
164 e->forbid_breaks (); // guh. Use properties!
170 ADD_THIS_TRANSLATOR(Note_heads_engraver);