lily/staff-sym.cc

   1 /*
   2   staffsym.cc -- implement Staff_symbol
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8 #include "staff-sym.hh"
   9 #include "lookup.hh"
  10 #include "paper-def.hh"
  11 #include "molecule.hh"
  12 #include "debug.hh"
  13
  14
  15
  16 Staff_symbol::Staff_symbol(int l)
  17 {
  18     no_lines_i_ = l;
  19 }
  20
  21 IMPLEMENT_STATIC_NAME(Staff_symbol);
  22 IMPLEMENT_IS_TYPE_B1(Staff_symbol,Spanner);
  23
  24 void
  25 Staff_symbol::do_print()const
  26 {
  27     mtor << "lines: " << no_lines_i_;
  28 }
  29
  30 Molecule*
  31 Staff_symbol::brew_molecule_p() const
  32 {
  33     Atom a  = paper()->lookup_l()->linestaff(no_lines_i_, width().length());
  34     return new Molecule(a);
  35 }
  36
  37 void
  38 Staff_symbol::set_extent(PCol*p1, PCol*p2)
  39 {
  40     assert(p1&&p2);
  41     left_col_l_ = p1;
  42     right_col_l_ = p2;
  43 }
  44
  45 Real
  46 Staff_symbol::inter_note_f()const
  47 {
  48     return paper()->internote_f();
  49 }
  50
  51 int
  52 Staff_symbol::steps_i() const
  53 {
  54     return no_lines_i_*2;
  55 }