2 staff-sym-reg.cc -- implement Staff_symbol_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "staff-sym-engraver.hh"
10 #include "staff-symbol.hh"
12 #include "paper-column.hh"
13 #include "staff-symbol-referencer.hh"
14 #include "paper-def.hh"
15 #include "staff-side.hh"
17 Staff_symbol_engraver::~Staff_symbol_engraver()
22 Staff_symbol_engraver::Staff_symbol_engraver()
28 Staff_symbol_engraver::do_creation_processing()
30 span_p_ = new Staff_symbol;
31 span_p_->set_bounds(LEFT,get_staff_info().command_pcol_l ());
32 announce_element (Score_element_info (span_p_, 0));
36 Staff_symbol_engraver::do_removal_processing()
38 SCM l (get_property ("numberOfStaffLines", 0));
41 span_p_->no_lines_i_ = gh_scm2int (l);
44 SCM sz (get_property ("staffLineLeading", 0));
47 span_p_->staff_line_leading_f_ = gh_scm2double (sz);
51 span_p_->staff_line_leading_f_ = paper_l ()->get_var ("interline");
53 span_p_->set_bounds(RIGHT,get_staff_info().command_pcol_l ());
54 typeset_element (span_p_);
59 Staff_symbol_engraver::acknowledge_element (Score_element_info s)
61 if (Staff_symbol_referencer * st = dynamic_cast<Staff_symbol_referencer*> (s.elem_l_))
63 st->set_staff_symbol (span_p_);
66 SCM ss =s.elem_l_->remove_elt_property ("staff-support");
67 if (gh_boolean_p (ss) && gh_scm2bool (ss))
69 Side_position_interface si (s.elem_l_);
70 if (si.is_staff_side_b ())
71 si.add_support (span_p_);
76 ADD_THIS_TRANSLATOR(Staff_symbol_engraver);