mi2mu/mudela-item.cc

   1 //
   2 // mudela-item.cc -- implement Mudela_item
   3 //
   4 // copyright 1997 Jan Nieuwenhuizen <jan@digicash.com>
   5
   6 #include <assert.h>
   7 #include "mi2mu-global.hh"
   8 #include "string-convert.hh"
   9 #include "duration-convert.hh"
  10 #include "mudela-column.hh"
  11 #include "mudela-item.hh"
  12 #include "mudela-stream.hh"
  13 #include "mudela-score.hh"
  14
  15 Mudela_item::Mudela_item (Mudela_column* mudela_column_l)
  16 {
  17   mudela_column_l_ = mudela_column_l;
  18 }
  19
  20 Moment
  21 Mudela_item::at_mom ()
  22 {
  23   return mudela_column_l_->at_mom ();
  24 }
  25
  26 Moment
  27 Mudela_item::duration_mom ()
  28 {
  29   return Moment (0);
  30 }
  31
  32 void
  33 Mudela_item::output (Mudela_stream& mudela_stream_r)
  34 {
  35   mudela_stream_r << str () << String (" ");
  36 }
  37
  38 Mudela_key::Mudela_key (int accidentals_i, int minor_i)
  39   : Mudela_item (0)
  40 {
  41   accidentals_i_ = accidentals_i;
  42   minor_i_ = minor_i;
  43 }
  44
  45 String
  46 Mudela_key::str ()
  47 {
  48   int key_i = 0;
  49   if (accidentals_i_ >= 0)
  50         key_i =   ((accidentals_i_ % 7)[ "cgdaebf" ] - 'a' - 2) % 7;
  51   else
  52         key_i =   ((-accidentals_i_ % 7)[ "cfbeadg" ] - 'a' - 2) % 7;
  53   String str = "\\key ";
  54   if (!minor_i_)
  55         str += String ((char)  ((key_i + 2) % 7 + 'A'));
  56   else // heu, -2: should be - 1 1/2: A -> fis
  57         str += String ((char)  ((key_i + 2 - 2) % 7 + 'a'));
  58   str = String ("% \"") + str
  59         + String ('"') + "; % not supported yet\n";
  60   return str;
  61 }
  62
  63 String
  64 Mudela_key::notename_str (int pitch_i)
  65 {
  66   // this may seem very smart,
  67   // but it-s only an excuse not to read a notename table
  68
  69   // major scale: do-do
  70   // minor scale: la-la  (= + 5)
  71   static int notename_i_a[ 12 ] = { 0, 0, 1, 1, 2, 3, 3, 4, 4, 5, 5, 6 };
  72   int notename_i = notename_i_a[  (minor_i_ * 5 + pitch_i) % 12 ];
  73
  74   static int accidentals_i_a[ 12 ] = { 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0 };
  75   int accidental_i = accidentals_i_a[ minor_i_ * 5 + pitch_i % 12 ];
  76   if (accidental_i &&  (accidentals_i_ < 0))
  77     {
  78         accidental_i = - accidental_i;
  79         notename_i =  (notename_i + 1) % 7;
  80     }
  81
  82   String notename_str = (char)  ( ((notename_i + 2) % 7) + 'a');
  83   while  (accidental_i-- > 0)
  84         notename_str += "is";
  85   accidental_i++;
  86   while  (accidental_i++ < 0)
  87         if   ((notename_str == "a") ||  (notename_str == "e"))
  88             notename_str += "s";
  89         else
  90             notename_str += "es";
  91   accidental_i--;
  92
  93   String de_octavate_str = String ('\'',  (Mudela_note::c0_pitch_i_c_ + 11 - pitch_i) / 12);
  94   String octavate_str = String ('\'',  (pitch_i - Mudela_note::c0_pitch_i_c_) / 12);
  95   return de_octavate_str + notename_str + octavate_str;
  96 }
  97
  98 Mudela_meter::Mudela_meter (int num_i, int den_i, int clocks_4_i, int count_32_i)
  99    : Mudela_item (0)
 100 {
 101   sync_dur_.durlog_i_ = 3;
 102   sync_f_ = 1.0;
 103   if (count_32_i != 8)
 104         warning (String ("#32 in quarter: ") + String (count_32_i));
 105   num_i_ = num_i;
 106   den_i_ = den_i;
 107   clocks_1_i_ = clocks_4_i * 4;
 108 }
 109
 110 Moment
 111 Mudela_meter::bar_mom ()
 112 {
 113   Duration d;
 114   d.durlog_i_ = den_i_;
 115   return Moment (num_i_) * Duration_convert::dur2_mom (d);
 116 }
 117
 118 int
 119 Mudela_meter::clocks_1_i ()
 120 {
 121   return clocks_1_i_;
 122 }
 123
 124 int
 125 Mudela_meter::den_i ()
 126 {
 127   return den_i_;
 128 }
 129
 130 int
 131 Mudela_meter::num_i ()
 132 {
 133   return num_i_;
 134 }
 135
 136 String
 137 Mudela_meter::str ()
 138 {
 139   String str = "\\meter "
 140         + String (num_i_) + "/" + String (1 << den_i_)
 141         + ";\n";
 142   return str;
 143 }
 144
 145
 146 // statics Mudela_note
 147 /*
 148  this switch can be used to write simple plets like
 149    c4*2/3
 150  as
 151    \plet 2/3; c4 \plet 1/1;
 152  */
 153 bool const Mudela_note::simple_plet_b_s = true;
 154
 155 Mudela_note::Mudela_note (Mudela_column* mudela_column_l, int channel_i, int pitch_i, int dyn_i)
 156   : Mudela_item (mudela_column_l)
 157 {
 158   // junk dynamics
 159   (void)dyn_i;
 160   channel_i_ = channel_i;
 161   pitch_i_ = pitch_i;
 162   end_column_l_ = 0;
 163 }
 164
 165 Duration
 166 Mudela_note::duration ()
 167 {
 168   assert (end_column_l_);
 169   Moment mom = end_column_l_->at_mom () - at_mom ();
 170   return Duration_convert::mom2_dur (mom);
 171 }
 172
 173 Moment
 174 Mudela_note::duration_mom ()
 175 {
 176 // ugh
 177 //    return Duration_convert::dur2_mom (duration ());
 178   return end_column_l_->at_mom () - at_mom ();
 179 }
 180
 181 String
 182 Mudela_note::str ()
 183 {
 184   Duration dur = duration ();
 185   if (dur.durlog_i_ < -10)
 186         return "";
 187
 188   String name_str
 189     = mudela_column_l_->mudela_score_l_->mudela_key_l_->notename_str (pitch_i_);
 190
 191   if (simple_plet_b_s)
 192         return name_str + Duration_convert::dur2_str (dur) + " ";
 193
 194   //ugh
 195   String str;
 196   if (dur.plet_b ())
 197         str += String ("\\plet ")
 198             + String_convert::i2dec_str (dur.plet_.iso_i_, 0, 0)
 199             + "/"
 200             + String_convert::i2dec_str (dur.plet_.type_i_, 0, 0)
 201             + "; ";
 202
 203   str += name_str;
 204
 205   Duration tmp = dur;
 206   tmp.set_plet (1,1);
 207   str += Duration_convert::dur2_str (tmp);
 208
 209   if (dur.plet_b ())
 210         str += String (" \\plet 1/1;");
 211
 212   return str + " ";
 213 }
 214
 215 Mudela_skip::Mudela_skip (Mudela_column* mudela_column_l, Moment skip_mom)
 216   : Mudela_item (mudela_column_l)
 217 {
 218   mom_ = skip_mom;
 219 }
 220
 221 Duration
 222 Mudela_skip::duration ()
 223 {
 224         return Duration_convert::mom2_dur (mom_);
 225 }
 226
 227 Moment
 228 Mudela_skip::duration_mom ()
 229 {
 230   return Duration_convert::dur2_mom (duration ());
 231 }
 232
 233 String
 234 Mudela_skip::str ()
 235 {
 236   if (!mom_)
 237         return String ("");
 238
 239   Duration dur = duration ();
 240   if (dur.durlog_i_<-10)
 241         return "";
 242
 243   String str = "\\skip ";
 244   str += Duration_convert::dur2_str (dur) + "; ";
 245
 246   return str;
 247 }
 248
 249 Mudela_tempo::Mudela_tempo (int useconds_per_4_i)
 250    : Mudela_item (0)
 251 {
 252   useconds_per_4_i_ = useconds_per_4_i;
 253   seconds_per_1_f_ = (Real)useconds_per_4_i_ * 4 / 1e6;
 254 }
 255
 256 String
 257 Mudela_tempo::str ()
 258 {
 259   String str = "\\tempo 4=";
 260   str += String (get_tempo_i (Moment (1, 4)));
 261   str += ";\n";
 262   return str;
 263 }
 264
 265 int
 266 Mudela_tempo::useconds_per_4_i ()
 267 {
 268   return useconds_per_4_i_;
 269 }
 270
 271 int
 272 Mudela_tempo::get_tempo_i (Moment moment)
 273 {
 274   return Moment (60) / moment / Moment (seconds_per_1_f_);
 275 }
 276
 277 Mudela_text::Mudela_text (Mudela_text::Type type, String text_str)
 278    : Mudela_item (0)
 279 {
 280   type_ = type;
 281   text_str_ = text_str;
 282 }
 283
 284 String
 285 Mudela_text::str ()
 286 {
 287   if (!text_str_.length_i ()
 288         ||  (text_str_.length_i () != (int)strlen (text_str_.ch_C ())))
 289         return "";
 290
 291   return "% " + text_str_ + "\n";
 292 }
 293