2 rest-collision-reg.cc -- implement Rest_collision_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "rest-collision.hh"
11 #include "engraver.hh"
12 #include "collision.hh"
13 #include "note-column.hh"
16 class Rest_collision_engraver : public Engraver
18 Item* rest_collision_p_;
20 Link_array<Note_column> note_column_l_arr_;
22 virtual void acknowledge_element (Score_element_info);
23 virtual void process_acknowledged ();
24 virtual void do_pre_move_processing();
26 VIRTUAL_COPY_CONS(Translator);
27 Rest_collision_engraver();
31 ADD_THIS_TRANSLATOR(Rest_collision_engraver);
33 Rest_collision_engraver::Rest_collision_engraver()
39 Rest_collision_engraver::process_acknowledged ()
41 if (rest_collision_p_ || note_column_l_arr_.size () < 2)
44 rest_collision_p_ = new Item (get_property ("basicRestCollisionProperties"));
45 Rest_collision (rest_collision_p_).set_interface();
46 announce_element (Score_element_info (rest_collision_p_, 0));
47 for (int i=0; i< note_column_l_arr_.size (); i++)
48 Rest_collision (rest_collision_p_).add_column (note_column_l_arr_[i]);
52 Rest_collision_engraver::acknowledge_element (Score_element_info i)
54 if (dynamic_cast<Note_column *> (i.elem_l_))
55 note_column_l_arr_.push (dynamic_cast<Note_column *> (i.elem_l_));
59 Rest_collision_engraver::do_pre_move_processing()
61 if (rest_collision_p_)
63 typeset_element (rest_collision_p_);
64 rest_collision_p_ = 0;
66 note_column_l_arr_.clear ();