lily/bar.cc

   1 /*
   2   bar.cc -- implement Bar
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "bar.hh"
  10 #include "string.hh"
  11 #include "molecule.hh"
  12 #include "paper-def.hh"
  13 #include "lookup.hh"
  14 #include "debug.hh"
  15
  16 Bar::Bar()
  17 {
  18   breakable_b_ = true;
  19   type_str_ = "|";
  20 }
  21
  22
  23
  24 IMPLEMENT_IS_TYPE_B1(Bar,Item);
  25
  26 void
  27 Bar::do_print() const
  28 {
  29 #ifndef NPRINT
  30   DOUT << type_str_;
  31 #endif
  32 }
  33
  34 Molecule*
  35 Bar::brew_molecule_p() const
  36 {
  37   Paper_def *p = paper();
  38   Atom s = p->lookup_l()->bar (type_str_,
  39                                p->get_var ("barsize"));
  40
  41   Molecule*output = new Molecule (Atom (s));
  42   return output;
  43 }
  44
  45 /**
  46   Prescriptions for splitting bars.
  47   TODO: parametrise this (input-settable)
  48  */
  49 static char const *bar_breaks[][3] ={
  50   {":|", ":|:", "|:"},
  51   {"|", "|", ""},
  52   {"", "|s", "|"},
  53   {"", "|:", "|:"},
  54   {"||.", "||.", ""},
  55   {":|", ":|", ""},
  56   {"||", "||", ""},
  57   {0,0,0}
  58 };
  59
  60 void
  61 Bar::do_pre_processing()
  62 {
  63   for (int i=0; bar_breaks[i][0]; i++)
  64     {
  65       if (bar_breaks[i][1] == type_str_)
  66         type_str_ = bar_breaks[i][break_status_i()+1];
  67     }
  68
  69   /*
  70     span_score_bar needs dims, so don't do
  71
  72     transparent_b_ = empty_b_ = (!type_str_);
  73
  74     */
  75 }
  76