2 staff-gravs.cc -- implement Staff_engravers
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
9 #include "staff-sym.hh"
10 #include "staff-gravs.hh"
11 #include "command-request.hh"
14 #include "staffline.hh"
17 Staff_engravers::Staff_engravers()
23 Staff_engravers::typeset_element(Score_elem *elem_p)
25 staff_elem_l_arr_.push(elem_p);
26 Engraver_group_engraver::typeset_element(elem_p);
30 Staff_engravers::typeset_breakable_item( Item * nobreak_p)
32 staff_elem_l_arr_.push(nobreak_p);
33 Engraver_group_engraver::typeset_breakable_item(nobreak_p);
37 Staff_engravers::do_pre_move_processing()
39 Engraver_group_engraver::do_pre_move_processing();
44 Staff_engravers::group_staff_elems()
46 for (int i=0; i <staff_elem_l_arr_.size(); i++)
47 staffline_p_->add_element(staff_elem_l_arr_[i]);
48 staff_elem_l_arr_.set_size(0);
52 Staff_engravers::do_removal_processing()
54 /* this is a "destructor type function", first do children, then self. */
55 Engraver_group_engraver::do_removal_processing();
58 staffline_p_->right_col_l_ = get_staff_info().command_pcol_l();
59 Engraver::typeset_element(staffline_p_);
64 Staff_engravers::do_creation_processing()
66 staffline_p_ = new Line_of_staff;
67 staffline_p_->left_col_l_ = get_staff_info().command_pcol_l();
69 // don't broadcast to self.
70 Engraver::announce_element(Score_elem_info(staffline_p_,0));
71 Engraver_group_engraver::do_creation_processing();
75 IMPLEMENT_STATIC_NAME(Staff_engravers);
76 IMPLEMENT_IS_TYPE_B1(Staff_engravers,Engraver_group_engraver);
77 ADD_THIS_ENGRAVER(Staff_engravers);