mi2mu/mudela-voice.cc

   1 //
   2 // mudela-voice.cc -- implement Mudela_voice
   3 //
   4 // copyright 1997 Jan Nieuwenhuizen <janneke@gnu.org>
   5
   6 #include "string-convert.hh"
   7 #include "mi2mu-global.hh"
   8 #include "mudela-column.hh"
   9 #include "mudela-item.hh"
  10 #include "mudela-staff.hh"
  11 #include "mudela-stream.hh"
  12 #include "mudela-voice.hh"
  13 #include "mudela-score.hh"
  14
  15 extern Mudela_score* mudela_score_l_g;
  16
  17 Mudela_voice::Mudela_voice (Mudela_staff* mudela_staff_l)
  18 {
  19   mudela_staff_l_ = mudela_staff_l;
  20 }
  21
  22 void
  23 Mudela_voice::add_item (Mudela_item* mudela_item_l)
  24 {
  25   mudela_item_l_list_.append (new Cons<Mudela_item> (mudela_item_l, 0));
  26 }
  27
  28
  29 static int const FAIRLY_LONG_VOICE_i = 6;
  30
  31 void
  32 Mudela_voice::output (Mudela_stream& mudela_stream_r)
  33 {
  34   if (!mudela_item_l_list_.size_i ())
  35     return;
  36
  37   if (mudela_item_l_list_.size_i () > FAIRLY_LONG_VOICE_i)
  38     mudela_stream_r << '\n';
  39
  40   int current_bar_i = 0;
  41   Moment bar_mom = mudela_staff_l_->mudela_time_signature_l_->bar_mom ();
  42
  43   for (Cons<Mudela_item>* i = mudela_item_l_list_.head_; i; i = i->next_)
  44     {
  45       Moment at_mom = i->car_->mudela_column_l_->at_mom ();
  46       int bar_i = (int) (at_mom / bar_mom) + 1;
  47       if (bar_i > current_bar_i)
  48         {
  49           if (current_bar_i)
  50             {
  51               if (at_mom == Moment (bar_i - 1) * bar_mom)
  52                 mudela_stream_r << "|";
  53               mudela_stream_r << "\n% ";
  54               mudela_stream_r << String_convert::i2dec_str (bar_i, 0, ' ');
  55               mudela_stream_r << '\n';
  56             }
  57           LOGOUT (NORMAL_ver) << "[" << bar_i << "]" << flush;
  58           current_bar_i = bar_i;
  59         }
  60
  61       mudela_stream_r << *i->car_;
  62       if (Mudela_key* k = dynamic_cast<Mudela_key*> (i->car_))
  63         mudela_staff_l_->mudela_key_l_ = mudela_score_l_g->mudela_key_l_ = k;
  64     }
  65
  66   if (mudela_item_l_list_.size_i () > FAIRLY_LONG_VOICE_i)
  67     mudela_stream_r << '\n';
  68 }
  69