lily/dot-column.cc

   1 /*
   2   dot-column.cc -- implement Dot_column
   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 "dots.hh"
  10 #include "dot-column.hh"
  11 #include "rhythmic-head.hh"
  12
  13 void
  14 Dot_column::add_dots (Dots *d)
  15 {
  16   dot_l_arr_.push (d);
  17   add_dependency (d);
  18   add_element (d);
  19 }
  20
  21 void
  22 Dot_column::add_head (Rhythmic_head *r)
  23 {
  24   if (!r->dots_l_)
  25     return ;
  26
  27   head_l_arr_.push (r);
  28   add_dependency (r);
  29   add_dots (r->dots_l_);
  30 }
  31
  32 void
  33 Dot_column::do_substitute_dependency (Score_element*o,Score_element*n)
  34 {
  35   Item *oi =dynamic_cast <Item *> (o);
  36
  37   if (oi && dynamic_cast<Rhythmic_head *> (oi))
  38     head_l_arr_.substitute (dynamic_cast<Rhythmic_head*> (oi),
  39                             dynamic_cast<Rhythmic_head*>(n));
  40   else if (oi && dynamic_cast<Dots *> (oi))
  41     dot_l_arr_.substitute (dynamic_cast<Dots*> (oi),
  42                            dynamic_cast<Dots*> (n));
  43 }
  44
  45 void
  46 Dot_column::do_pre_processing ()
  47 {
  48   Interval w;
  49   for (int i=0; i < head_l_arr_.size (); i++)
  50     w.unite (head_l_arr_[i]->width ());
  51
  52   if (!w.empty_b ())
  53     translate_axis (w[RIGHT] - width() [LEFT],X_AXIS);
  54 }
  55
  56