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--2000 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 #include "side-position-interface.hh"
  14
  15 Dot_column_engraver::Dot_column_engraver ()
  16 {
  17   dotcol_p_ =0;
  18 }
  19
  20 void
  21 Dot_column_engraver::do_pre_move_processing ()
  22 {
  23   if (dotcol_p_)
  24     {
  25       typeset_element (dotcol_p_);
  26       dotcol_p_ =0;
  27     }
  28   head_l_arr_.clear ();
  29 }
  30
  31 void
  32 Dot_column_engraver::acknowledge_element (Score_element_info info)
  33 {
  34   Rhythmic_head * h = dynamic_cast<Rhythmic_head*>(info.elem_l_);
  35   if (!h)
  36       return;
  37
  38   if (!h->dots_l ())
  39     return;
  40
  41   if (!dotcol_p_)
  42     {
  43       dotcol_p_ = new Dot_column;
  44       side_position (dotcol_p_).set_axis (X_AXIS);
  45       side_position (dotcol_p_).set_direction (RIGHT);
  46       announce_element (Score_element_info (dotcol_p_, 0));
  47     }
  48
  49   dotcol_p_->add_head (h);
  50 }
  51
  52
  53 ADD_THIS_TRANSLATOR(Dot_column_engraver);
  54