mi2mu/midi-voice.cc

   1 //
   2 // midi-voice.cc -- implement midi_voice
   3 //
   4 // copyright 1997 Jan Nieuwenhuizen <jan@digicash.com>
   5
   6 #include "mi2mu.hh"
   7
   8 Midi_voice::Midi_voice( Moment begin_mom )
   9 {
  10         begin_mom_ = begin_mom;
  11         end_mom_ = begin_mom;
  12         events_i_ = 0;
  13 }
  14
  15 void
  16 Midi_voice::add_event( Midi_event* midi_event_p )
  17 {
  18 #ifdef MEVENT_LIST
  19         midi_event_p_list_.bottom().add( midi_event_p );
  20 #else
  21         midi_event_p_array_.push( midi_event_p );
  22 #endif
  23 }
  24
  25 Moment
  26 Midi_voice::begin_mom()
  27 {
  28         return begin_mom_;
  29 }
  30
  31 Moment
  32 Midi_voice::end_mom()
  33 {
  34 #ifdef MEVENT_LIST
  35 //      if ( events_i_ == midi_event_p_list_.length_i() )
  36         if ( events_i_ == midi_event_p_list_.size() )
  37                 return end_mom_;
  38         Moment now_mom = begin_mom_;
  39         tor( DEBUG_ver ) << now_mom << ", ";
  40         for ( PCursor<Midi_event*> i( midi_event_p_list_.top() ); i.ok(); i++ ) {
  41                 tor( DEBUG_ver ) << now_mom << ", ";
  42                 now_mom += i->mom();
  43         }
  44         tor( DEBUG_ver ) << endl;
  45         end_mom_ = now_mom;
  46 //      events_i_ = midi_event_p_list_.length_i();
  47         events_i_ = midi_event_p_list_.size();
  48         return end_mom_;
  49 #else
  50         if ( events_i_ == midi_event_p_array_.size() )
  51                 return end_mom_;
  52         Moment now_mom = begin_mom_;
  53         tor( DEBUG_ver ) << now_mom << ", ";
  54         for ( int i = 0; i < midi_event_p_array_.size(); i++ ) {
  55                 tor( DEBUG_ver ) << now_mom << ", ";
  56                 now_mom += midi_event_p_array_[ i ]->mom();
  57         }
  58         tor( DEBUG_ver ) << endl;
  59         end_mom_ = now_mom;
  60         events_i_ = midi_event_p_array_.size();
  61         return end_mom_;
  62 #endif
  63 }
  64
  65 String
  66 Midi_voice::mudela_str( Moment from_mom, Moment to_mom, bool multiple_bo )
  67 {
  68         String str;
  69
  70 //      if ( begin_mom() >= to_mom )
  71         if ( begin_mom() > to_mom )
  72                 return "";
  73 //      if ( end_mom() <= from_mom )
  74         if ( end_mom() < from_mom )
  75                 return "";
  76
  77         Moment now_mom = begin_mom();
  78 #ifdef MEVENT_LIST
  79         PCursor<Midi_event*> i( midi_event_p_list_.top() );
  80         for ( ; i.ok() && now_mom < from_mom ; i++ )
  81                 now_mom += i->mom();
  82
  83         for ( ; i.ok() && now_mom < to_mom ; i++ ) {
  84                 now_mom += i->mom();
  85                 str += i->mudela_str( false ) + " ";
  86         }
  87 #else
  88         int i = 0;
  89         for ( ; i < midi_event_p_array_.size() && now_mom < from_mom ; i++ )
  90                 now_mom += midi_event_p_array_[ i ]->mom();
  91
  92         for ( ; i < midi_event_p_array_.size() && now_mom < to_mom ; i++ ) {
  93                 now_mom += midi_event_p_array_[ i ]->mom();
  94                 str += midi_event_p_array_[ i ]->mudela_str( false ) + " ";
  95         }
  96 #endif
  97
  98         if ( str.length_i() && multiple_bo )
  99                 str = "{ " + str + "} ";
 100         return str;
 101 }
 102