lily/dot-column-engraver.cc

   1 /*
   2   dot-column-engraver.cc -- implement Dot_column_engraver
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7
   8  */
   9
  10 #include "dot-column-engraver.hh"
  11 #include "rhythmic-head.hh"
  12 #include "dot-column.hh"
  13
  14 Dot_column_engraver::Dot_column_engraver ()
  15 {
  16   dotcol_p_ =0;
  17 }
  18
  19 void
  20 Dot_column_engraver::do_pre_move_processing ()
  21 {
  22   if (dotcol_p_)
  23     {
  24       typeset_element (dotcol_p_);
  25       dotcol_p_ =0;
  26     }
  27   head_l_arr_.clear ();
  28 }
  29
  30 void
  31 Dot_column_engraver::acknowledge_element (Score_element_info info)
  32 {
  33   Rhythmic_head * h = dynamic_cast<Rhythmic_head*>(info.elem_l_);
  34   if (!h)
  35       return;
  36
  37   if (!h->dots_l ())
  38     return;
  39
  40   if (!dotcol_p_)
  41     {
  42       dotcol_p_ = new Dot_column;
  43       announce_element (Score_element_info (dotcol_p_, 0));
  44     }
  45
  46   dotcol_p_->add_head (h);
  47 }
  48
  49
  50 ADD_THIS_TRANSLATOR(Dot_column_engraver);
  51