lily/staff-sym-grav.cc

   1 /*
   2   staff-sym-reg.cc -- implement Staff_sym_engraver
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "staff-sym-grav.hh"
  10 #include "staff-sym.hh"
  11 #include "score.hh"
  12 #include "p-col.hh"
  13
  14
  15 void
  16 Staff_sym_engraver::fill_staff_info (Staff_info&i)
  17 {
  18   i.staff_sym_l_ = span_p_;
  19 }
  20
  21 Staff_sym_engraver::~Staff_sym_engraver()
  22 {
  23   assert (!span_p_);
  24 }
  25
  26 Staff_sym_engraver::Staff_sym_engraver()
  27 {
  28    span_p_ = 0;
  29 }
  30
  31 void
  32 Staff_sym_engraver::do_creation_processing()
  33 {
  34   span_p_ = new Staff_symbol;
  35   span_p_->set_bounds(LEFT,get_staff_info().command_pcol_l ());
  36   announce_element (Score_elem_info (span_p_, 0));
  37 }
  38
  39 void
  40 Staff_sym_engraver::do_removal_processing()
  41 {
  42   Scalar l (get_property ("nolines"));
  43   if (l.isnum_b ())
  44     {
  45       span_p_->no_lines_i_ = l;
  46     }
  47
  48   span_p_->set_bounds(RIGHT,get_staff_info().command_pcol_l ());
  49   typeset_element (span_p_);
  50   span_p_ =0;
  51 }
  52
  53
  54
  55 IMPLEMENT_IS_TYPE_B1(Staff_sym_engraver,Engraver);
  56 ADD_THIS_TRANSLATOR(Staff_sym_engraver);