request.cc

   1 #include "request.hh"
   2 Request::Request(Voice_element*v)
   3 {
   4     elt = v;
   5     tag = UNKNOWN;
   6 }
   7
   8 Note_req::Note_req(Voice_element*v):
   9     Request(v)
  10 {
  11     name = 'c';
  12     octave = 0;
  13     accidental = 0;
  14     forceacc = false;
  15     balltype = 1;
  16     dots = 0;
  17     tag = NOTE;
  18 }
  19
  20 Rest_req::Rest_req(Voice_element*v)
  21      :Request(v)
  22 {
  23     balltype = 1;
  24     dots = 0;
  25     tag =REST;
  26 }
  27
  28 Request::Request()
  29 {
  30     elt = 0;
  31     tag = UNKNOWN;
  32 }
  33
  34 Note_req*
  35 Request::note()
  36 {
  37     assert(tag == NOTE);
  38     return (Note_req*)this;
  39 }
  40
  41 Rest_req*
  42 Request::rest()
  43 {
  44     assert(tag == REST);
  45     return (Rest_req*)this;
  46 }
  47
  48
  49 Real
  50 wholes(int dur, int dots)
  51 {
  52     Real f = 1.0/Real(dur);
  53     Real delta = f;
  54
  55     while (dots--) {
  56         delta /= 2.0;
  57         f += delta;
  58     }
  59     return f;
  60 }
  61
  62 Real
  63 Note_req::duration() const {
  64     return wholes( balltype,dots);
  65 }
  66 Real
  67 Rest_req::duration() const{
  68     return wholes( balltype,dots);
  69 }
  70