mi2mu/mudela-voice.cc

   1 //
   2 // mudela-voice.cc -- implement Mudela_voice
   3 //
   4 // copyright 1997 Jan Nieuwenhuizen <jan@digicash.com>
   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
  14 Mudela_voice::Mudela_voice (Mudela_staff* mudela_staff_l)
  15 {
  16   mudela_staff_l_ = mudela_staff_l;
  17 }
  18
  19 void
  20 Mudela_voice::add_item (Mudela_item* mudela_item_l)
  21 {
  22   mudela_item_l_list_.bottom().add (mudela_item_l);
  23 }
  24
  25 Moment
  26 Mudela_voice::begin_mom()
  27 {
  28   return mudela_item_l_list_.size() ?
  29         mudela_item_l_list_.top()->at_mom() : Moment (0);
  30 }
  31
  32 Moment
  33 Mudela_voice::end_mom()
  34 {
  35   return mudela_item_l_list_.size() ?
  36         mudela_item_l_list_.bottom()->at_mom() : Moment (0);
  37 }
  38
  39 static int const FAIRLY_LONG_VOICE_i = 6;
  40
  41 void
  42 Mudela_voice::output (Mudela_stream& mudela_stream_r)
  43 {
  44   if  (!mudela_item_l_list_.size())
  45         return;
  46
  47   if  (mudela_item_l_list_.size() > FAIRLY_LONG_VOICE_i)
  48         mudela_stream_r << "\n";
  49
  50   int current_bar_i = 0;
  51   Moment bar_mom = mudela_staff_l_->mudela_meter_l_->bar_mom();
  52
  53   for  (PCursor<Mudela_item*> i (mudela_item_l_list_); i.ok(); i++)
  54     {
  55         Moment at_mom = i->mudela_column_l_->at_mom();
  56         int bar_i = (int) (at_mom / bar_mom) + 1;
  57         if  (bar_i > current_bar_i)
  58           {
  59             if  (current_bar_i)
  60               {
  61                 if  (at_mom == Moment (bar_i - 1) * bar_mom)
  62                     mudela_stream_r << "|";
  63                 mudela_stream_r << "\n% ";
  64                 mudela_stream_r << String_convert::i2dec_str (bar_i, 0, ' ');
  65                 mudela_stream_r << "\n";
  66               }
  67             LOGOUT(NORMAL_ver) << '[' << bar_i << ']' << flush;
  68             current_bar_i = bar_i;
  69           }
  70
  71         mudela_stream_r << **i;
  72     }
  73
  74   if  (mudela_item_l_list_.size() > FAIRLY_LONG_VOICE_i)
  75         mudela_stream_r << "\n";
  76 }
  77