lily/musical-request.cc

   1 /*
   2   request.cc -- implement all musical requests.
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "musical-request.hh"
  10 #include "misc.hh"
  11 #include "debug.hh"
  12 #include "music-list.hh"
  13
  14
  15 Tremolo_req::Tremolo_req ()
  16 {
  17 }
  18
  19 void
  20 Melodic_req::transpose (Pitch delta)
  21 {
  22   Pitch p = *unsmob_pitch (get_mus_property ("pitch"));
  23
  24   p.transpose (delta);
  25
  26   if (abs (p.alteration_i_) > 2)
  27     {
  28         warning (_f ("Transposition by %s makes accidental larger than two",
  29           delta.str ()));
  30     }
  31
  32   set_mus_property ("pitch", p.smobbed_copy ());
  33 }
  34
  35 bool
  36 Melodic_req::do_equal_b (Request const* r) const
  37 {
  38   Melodic_req const* m= dynamic_cast <Melodic_req const*> (r);
  39   return m; // && !compare (*m, *this);
  40 }
  41
  42 bool
  43 Rhythmic_req::do_equal_b (Request const* r) const
  44 {
  45   Rhythmic_req const* rh = dynamic_cast <Rhythmic_req const*> (r);
  46
  47   return rh; // ;  && !compare (*this, *rh);
  48 }
  49
  50
  51
  52 Moment
  53 Rhythmic_req::length_mom () const
  54 {
  55   return  unsmob_duration (get_mus_property ("duration"))->length_mom ();
  56
  57 }
  58
  59 void
  60 Rhythmic_req::compress (Moment m)
  61 {
  62   Duration *d =  unsmob_duration (get_mus_property ("duration"));
  63
  64   set_mus_property ("duration", d ->compressed (m).smobbed_copy ());
  65 }
  66
  67 bool
  68 Note_req::do_equal_b (Request const* r) const
  69 {
  70   Note_req const* n = dynamic_cast<Note_req const*> (r);
  71   return n&& Rhythmic_req::do_equal_b (n) && Melodic_req::do_equal_b (n);
  72 }
  73
  74
  75 Note_req::Note_req ()
  76 {
  77 }
  78
  79
  80 bool
  81 Span_req::do_equal_b (Request const*r) const
  82 {
  83   Span_req const* s = dynamic_cast <Span_req const*> (r);
  84   return s && get_span_dir () == s->get_span_dir ();
  85 }
  86
  87 Span_req::Span_req ()
  88 {
  89 }
  90
  91
  92 bool
  93 Text_script_req::do_equal_b (Request const* r) const
  94 {
  95   Text_script_req const* t  = dynamic_cast<Text_script_req const*> (r);
  96   return t && gh_equal_p (get_mus_property ("text"),
  97                           t->get_mus_property ("text"));
  98 }
  99
 100 bool
 101 Articulation_req::do_equal_b (Request const* r) const
 102 {
 103   Articulation_req const* a = dynamic_cast<Articulation_req const*> (r);
 104
 105   return a && gh_equal_p (get_mus_property ("articulation-type"),
 106                           r->get_mus_property ("articulation-type"));
 107 }
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