lily/bar.cc

   1 /*
   2   bar.cc -- implement Bar
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.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 IMPLEMENT_IS_TYPE_B1 (Bar,Item);
  17
  18 Bar::Bar ()
  19 {
  20   breakable_b_ = true;
  21   type_str_ = "|";
  22 }
  23
  24 void
  25 Bar::do_print () const
  26 {
  27 #ifndef NPRINT
  28   DOUT << type_str_;
  29 #endif
  30 }
  31
  32 Molecule*
  33 Bar::brew_molecule_p () const
  34 {
  35   Paper_def *p = paper ();
  36   Atom s = lookup_l ()->bar (type_str_, p->get_var ("barsize"));
  37
  38   Molecule*output = new Molecule (Atom (s));
  39   return output;
  40 }
  41
  42 /**
  43   Prescriptions for splitting bars.
  44   TODO: parametrise this (input-settable)
  45  */
  46 static char const *bar_breaks[][3] ={
  47   {":|", ":|:", "|:"},
  48   {"|", "|", ""},
  49   {"", "|s", "|"},
  50   {"", "|:", "|:"},
  51   {"|.", "|.", ""},
  52   {":|", ":|", ""},
  53   {"||", "||", ""},
  54   {".|.", ".|.", ""},
  55   {0,0,0}
  56 };
  57
  58 void
  59 Bar::do_pre_processing ()
  60 {
  61   for (int i=0; bar_breaks[i][0]; i++)
  62     {
  63       if (bar_breaks[i][1] == type_str_)
  64         type_str_ = bar_breaks[i][break_status_dir ()+1];
  65     }
  66
  67   /*
  68     span_score_bar needs dims, so don't do
  69
  70     transparent_b_ = empty_b_ = (!type_str_);
  71
  72     */
  73 }
  74