2 collision-reg.cc -- implement Collision_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "note-column.hh"
10 #include "collision-engraver.hh"
11 #include "collision.hh"
12 #include "dimension-cache.hh"
14 ADD_THIS_TRANSLATOR (Collision_engraver);
17 Collision_engraver::process_acknowledged ()
20 if (col_p_ || note_column_l_arr_.size () < 2)
24 col_p_ = new Collision;
25 announce_element (Score_element_info (col_p_,0));
27 for (int i=0; i< note_column_l_arr_.size (); i++)
28 col_p_->add_column (note_column_l_arr_[i]);
32 Collision_engraver::acknowledge_element (Score_element_info i)
34 if (Note_column * c = dynamic_cast<Note_column *> (i.elem_l_))
36 /*should check Y axis? */
37 if (c->rest_b () || c->parent_l(X_AXIS))
40 note_column_l_arr_.push (c);
45 Collision_engraver::do_pre_move_processing()
49 typeset_element (col_p_);
52 note_column_l_arr_.clear ();
55 Collision_engraver::Collision_engraver()