src/calcideal.cc

   1 #include "idealspacing.hh"
   2 #include "score.hh"
   3 #include "pscore.hh"
   4 #include "paper-def.hh"
   5 #include "score-column.hh"
   6 #include "dimen.hh"
   7
   8
   9 /**
  10   this needs A LOT of rethinking.
  11
  12   generate springs between columns.
  13
  14   */
  15 void
  16 Score::calc_idealspacing()
  17 {
  18     iter_top(cols_,i);
  19
  20     for (; i.ok(); i++) {
  21         assert(i->used_b());
  22         PCursor<Score_column*> j(i+1);
  23         if (i->musical_b()) {
  24             assert(j.ok());
  25             for (int n=0; n < i->durations.size(); n++) {
  26                 Moment d = i->durations[n];
  27                 Real dist = paper_p_->duration_to_dist(d);
  28                 Real strength =  i->durations[0]/i->durations[n];
  29                 assert(strength <= 1.0);
  30
  31                 while (j->when() < d + i->when())
  32                     j++;
  33                 Moment delta_desired = j->when() - (d+i->when());
  34                 dist += paper_p_->duration_to_dist(delta_desired);
  35
  36                 pscore_p_->connect(i->pcol_l_, j->pcol_l_, dist, strength);
  37             }
  38         } else if (j.ok()) {
  39
  40             /* attach i to the next column in use. This exists, since
  41               the last col is breakable, and therefore in use
  42               */
  43
  44             Moment d = j->when() - i->when();
  45             Real dist = (d) ? paper_p_->duration_to_dist(d) : 2 PT; // todo
  46
  47             pscore_p_->connect(i->pcol_l_, j->pcol_l_, dist, (d) ? 1.0:1.0);
  48         }
  49         // !j.ok() might hold if we're at the last col.
  50     }
  51 }
  52
  53