2 staff-gravs.cc -- implement Line_group_engraver
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 "vertical-group-spanner.hh"
11 #include "command-request.hh"
14 #include "line-group-grav.hh"
17 Line_group_engraver::Line_group_engraver()
23 Line_group_engraver::acknowledge_element (Score_elem_info elem
)
25 if (!elem
.elem_l_
->axis_group_l_a_
[Y_AXIS
])
26 staffline_p_
->add_element (elem
.elem_l_
);
31 Line_group_engraver::do_removal_processing()
33 staffline_p_
->set_bounds(RIGHT
,get_staff_info().command_pcol_l ());
34 typeset_element (staffline_p_
);
39 Line_group_engraver::do_creation_processing()
41 staffline_p_
= new Vertical_group_spanner
;
42 staffline_p_
->set_bounds(LEFT
,get_staff_info().command_pcol_l ());
44 // don't broadcast to self.
45 announce_element (Score_elem_info (staffline_p_
,0));
50 IMPLEMENT_IS_TYPE_B1(Line_group_engraver
,Engraver
);
51 ADD_THIS_TRANSLATOR(Line_group_engraver
);