lily/dots.cc

   1 /*
   2   dots.cc -- implement Dots
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "dots.hh"
  10 #include "molecule.hh"
  11 #include "paper-def.hh"
  12 #include "lookup.hh"
  13
  14 Dots::Dots ()
  15 {
  16   no_dots_i_ =0;
  17   position_i_ =0;
  18 }
  19
  20 void
  21 Dots::do_post_processing ()
  22 {
  23   if (!(position_i_ % 2))
  24     position_i_ ++;
  25   if (!no_dots_i_)
  26     {
  27       transparent_b_ = true;
  28       set_empty (true);
  29     }
  30 }
  31
  32 Molecule*
  33 Dots::brew_molecule_p () const
  34 {
  35   Molecule *out = new Molecule;
  36   Atom fill = paper ()->lookup_l ()->fill (Box (Interval (0,0),
  37                                                Interval (0,0)));
  38   out->add(fill);
  39
  40   Atom d = paper ()->lookup_l ()->dots ();
  41
  42   Real dw = d.dim_[X_AXIS].length ();
  43   d.translate_axis (-dw, X_AXIS);
  44   for (int i=no_dots_i_; i--; )
  45     {
  46       d.translate_axis (2*dw,X_AXIS);
  47       out->add (d);
  48     }
  49   Real inter_f = paper ()->internote_f ();
  50   out->translate_axis (inter_f * position_i_, Y_AXIS);
  51   return out;
  52 }
  53
  54 IMPLEMENT_IS_TYPE_B1(Dots, Item);