lily/rod.cc

   1 /*
   2   rod.cc --  implement Rod, Column_rod
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1998--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7
   8  */
   9 #include "rod.hh"
  10 #include "paper-column.hh"
  11 #include "debug.hh"
  12 #include "dimensions.hh"
  13 #include "single-malt-grouping-item.hh"
  14
  15
  16 Rod::Rod ()
  17 {
  18   distance_f_ = 0.0;
  19   item_l_drul_[LEFT] = item_l_drul_[RIGHT] =0;
  20 }
  21
  22 void
  23 Column_rod::print () const
  24 {
  25 #ifndef NDEBUG
  26   DEBUG_OUT << "Column_rod { rank = "
  27        << other_l_->rank_i () << ", dist = " << distance_f_ << "}\n";
  28 #endif
  29 }
  30
  31 Column_rod::Column_rod ()
  32 {
  33   distance_f_ = 0;
  34   other_l_ = 0;
  35 }
  36
  37 int
  38 Column_rod::compare (const Column_rod &r1, const Column_rod &r2)
  39 {
  40   return r1.other_l_->rank_i() - r2.other_l_->rank_i();
  41 }
  42
  43 void
  44 Rod::add_to_cols ()
  45 {
  46   Direction d = LEFT;
  47   Drul_array<Paper_column*> cols;
  48   Real extra_dist = 0.0;
  49   do {
  50     cols[d] = item_l_drul_[d]->column_l ();
  51     extra_dist += item_l_drul_[d]->relative_coordinate (cols[d], X_AXIS);
  52   } while ((flip (&d))!=LEFT);
  53
  54   if (cols[LEFT] != cols[RIGHT])
  55     do
  56       {
  57         cols[-d]->add_rod(cols[d], distance_f_ + extra_dist);
  58       }
  59     while ((flip (&d))!=LEFT);
  60 }
  61