lily/lyric-performer.cc

   1 /*
   2   lyric-performer.cc -- implement Lyric_performer
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
   7 */
   8
   9 #include "lyric-performer.hh"
  10 #include "text-def.hh"
  11 #include "musical-request.hh"
  12 #include "midi-item.hh"
  13
  14
  15
  16 IMPLEMENT_IS_TYPE_B1(Lyric_performer,Performer);
  17 ADD_THIS_PERFORMER(Lyric_performer);
  18
  19 Lyric_performer::Lyric_performer()
  20 {
  21 }
  22
  23 Lyric_performer::~Lyric_performer()
  24 {
  25 }
  26
  27 void
  28 Lyric_performer::do_print() const
  29 {
  30 #ifndef NPRINT
  31     if ( lreq_arr_.size() )
  32         lreq_arr_[ 0 ]->print();
  33 #endif
  34 }
  35
  36 void
  37 Lyric_performer::process_requests()
  38 {
  39     if ( lreq_arr_.size() ) {
  40         Midi_text t( Midi_text::LYRIC, lreq_arr_[ 0 ]->tdef_p_->text_str_ );
  41         play_event( &t );
  42     }
  43
  44     lreq_arr_.clear();
  45 }
  46
  47 bool
  48 Lyric_performer::do_try_request( Request* req_l )
  49 {
  50     Musical_req* m_l = req_l->musical();
  51     if ( !m_l || ! m_l->lreq_l() )
  52         return false;
  53     lreq_arr_.push( m_l->lreq_l() );
  54
  55     return true;
  56 }
  57