lily/axis-group-engraver.cc

   1 /*
   2   axis-group-engraver.cc --  implement Axis_group_engraver
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7  */
   8
   9 #include "axis-group-engraver.hh"
  10 #include "axis-group-spanner.hh"
  11 #include "paper-column.hh"
  12
  13 Axis_group_engraver::Axis_group_engraver ()
  14 {
  15   staffline_p_ = 0;
  16 }
  17
  18 void
  19 Axis_group_engraver::do_creation_processing ()
  20 {
  21   staffline_p_ = get_spanner_p ();
  22   staffline_p_->set_axes (Y_AXIS, Y_AXIS);
  23   staffline_p_->set_bounds(LEFT,get_staff_info().command_pcol_l ());
  24   announce_element (Score_element_info (staffline_p_, 0));
  25 }
  26
  27 Axis_group_spanner*
  28 Axis_group_engraver::get_spanner_p () const
  29 {
  30   return new Axis_group_spanner;
  31 }
  32 void
  33 Axis_group_engraver::do_removal_processing ()
  34 {
  35   staffline_p_->set_bounds(RIGHT,get_staff_info().command_pcol_l ());
  36   typeset_element (staffline_p_);
  37   staffline_p_ = 0;
  38 }
  39
  40 void
  41 Axis_group_engraver::acknowledge_element (Score_element_info i)
  42 {
  43   elts_.push (i.elem_l_);
  44 }
  45
  46 void
  47 Axis_group_engraver::process_acknowledged ()
  48 {
  49   /* UGH UGH UGH */
  50   for (int i=0; i < elts_.size (); i++)
  51     {
  52       if (!elts_[i]->parent_l (Y_AXIS))
  53         staffline_p_->add_element (elts_[i]);
  54       else
  55         if (
  56             // elts_[i]->get_elt_property ("Axis_group_element::add_extra_element") == SCM_UNDEFINED &&
  57             ! dynamic_cast<Axis_group_element*> (elts_[i]->parent_l (Y_AXIS)))
  58
  59         {
  60           staffline_p_->add_element (elts_[i]);
  61         }
  62     }
  63   elts_.clear ();
  64 }
  65
  66 ADD_THIS_TRANSLATOR(Axis_group_engraver);