lily/new-repeated-music.cc

   1 /*
   2   new-repeated-music.cc --  implement New_repeated_music
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7
   8  */
   9
  10 #include "new-repeated-music.hh"
  11 #include "music-list.hh"
  12 #include "musical-pitch.hh"
  13 #include "debug.hh"
  14
  15 New_repeated_music::New_repeated_music(Music *beg, int times, Music_sequence * alts)
  16 {
  17   repeat_body_p_ = beg;
  18   fold_b_ = false;
  19   repeats_i_ = times;
  20   alternatives_p_ = alts;
  21   semi_fold_b_ = true;
  22 }
  23
  24 New_repeated_music::New_repeated_music (New_repeated_music const &s)
  25   : Music (s)
  26 {
  27   repeats_i_ = s.repeats_i_;
  28   fold_b_ = s.fold_b_;
  29   semi_fold_b_ = s.semi_fold_b_;
  30
  31   repeat_body_p_ = s.repeat_body_p_ ? s.repeat_body_p_->clone () : 0;
  32   alternatives_p_ = s.alternatives_p_
  33     ? dynamic_cast<Music_sequence*> (s.alternatives_p_->clone ()):0;
  34 }
  35
  36 New_repeated_music::~New_repeated_music ()
  37 {
  38   delete repeat_body_p_;
  39   delete alternatives_p_;
  40 }
  41
  42 void
  43 New_repeated_music::do_print () const
  44 {
  45 #ifndef NPRINT
  46   DOUT << "Fold = " << fold_b_ << " reps: " << repeats_i_;
  47
  48   if (repeat_body_p_)
  49     repeat_body_p_->print();
  50
  51   if (alternatives_p_)
  52     alternatives_p_->print();
  53 #endif
  54 }
  55
  56 Musical_pitch
  57 New_repeated_music::to_relative_octave (Musical_pitch p)
  58 {
  59   if (repeat_body_p_)
  60     p = repeat_body_p_->to_relative_octave (p);
  61
  62   if (alternatives_p_)
  63     p = alternatives_p_->do_relative_octave (p, true);
  64   return p;
  65 }
  66
  67
  68 void
  69 New_repeated_music::transpose (Musical_pitch p)
  70 {
  71   if (repeat_body_p_)
  72     repeat_body_p_->transpose (p);
  73
  74   if (alternatives_p_)
  75     alternatives_p_->transpose (p);
  76 }
  77
  78 void
  79 New_repeated_music::compress (Moment p)
  80 {
  81   if (repeat_body_p_)
  82     repeat_body_p_->compress (p);
  83
  84   if (alternatives_p_)
  85     alternatives_p_->compress (p);
  86 }
  87
  88 Moment
  89 New_repeated_music::alternatives_length_mom () const
  90 {
  91   if (alternatives_p_)
  92     {
  93       return  (fold_b_)
  94         ? alternatives_p_->maximum_length ()
  95         : alternatives_p_->cumulative_length ();
  96     }
  97   return 0;
  98 }
  99
 100 Moment
 101 New_repeated_music::length_mom () const
 102 {
 103   Moment m =0;
 104   if (fold_b_)
 105     {
 106       if (repeat_body_p_)
 107         m += repeat_body_p_->length_mom ();
 108     }
 109   else
 110     {
 111       Moment beg = (repeat_body_p_) ? repeat_body_p_->length_mom () : Rational(0);
 112       if (!semi_fold_b_)
 113         beg *=  Rational (repeats_i_);
 114       m += beg;
 115     }
 116
 117   m += alternatives_length_mom ();
 118   return m;
 119 }
 120