src/spanner.cc

   1 #include "debug.hh"
   2 #include "spanner.hh"
   3 #include "pcol.hh"
   4
   5 NAME_METHOD(Spanner);
   6
   7 void
   8 Spanner::do_print()const
   9 {
  10     mtor << " (unknown) ";
  11 }
  12
  13 Spanner*
  14 Spanner::broken_at(PCol*c1, PCol *c2)const
  15 {
  16     Spanner *span_p = do_break_at(c1,c2);
  17
  18     for (int i=0; i < dependants.size(); i++) {
  19         dependants[i]->substitute_dependency((Staff_elem*)this, span_p);
  20     }
  21
  22     span_p->left = c1;
  23     span_p->right = c2;
  24
  25     return span_p;
  26 }
  27
  28 Spanner::Spanner()
  29 {
  30     left = right = 0;
  31 }
  32
  33
  34 Interval
  35 Spanner::width()const
  36 {
  37     Real r = right->hpos;
  38     Real l = left->hpos;
  39     assert(*left < *right);
  40     assert(r>=l);
  41
  42     return Interval(0, r-l);
  43 }