lily/lyric-engraver.cc

   1 /*
   2   lyric-engraver.cc -- implement Lyric_engraver
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "lyric-engraver.hh"
  10 #include "musical-request.hh"
  11 #include "text-item.hh"
  12 #include "paper-def.hh"
  13 #include "lookup.hh"
  14
  15 Lyric_engraver::Lyric_engraver()
  16 {
  17 }
  18
  19 bool
  20 Lyric_engraver::do_try_request(Request*r)
  21 {
  22     Musical_req * m =r->musical();
  23     if (!m || ! m->lreq_l())
  24         return false;
  25     lreq_arr_.push(m->lreq_l());
  26
  27     return true;
  28 }
  29
  30 void
  31 Lyric_engraver::do_process_requests()
  32 {
  33     Text_item * last_item_l =0;
  34     for (int i=0; i < lreq_arr_.size(); i++) {
  35         Text_item *lp = new Text_item(lreq_arr_[i]->tdef_p_ );
  36         lp->dir_i_ = -1;
  37         lp->fat_b_ = true;
  38         if (last_item_l)
  39             lp->add_support(last_item_l);
  40         last_item_l = lp;
  41         typeset_element(lp);
  42     }
  43 }
  44
  45 void
  46 Lyric_engraver::do_post_move_processing()
  47 {
  48     lreq_arr_.set_size(0);
  49 }
  50
  51
  52 IMPLEMENT_STATIC_NAME(Lyric_engraver);
  53 IMPLEMENT_IS_TYPE_B1(Lyric_engraver,Engraver);
  54 ADD_THIS_ENGRAVER(Lyric_engraver);