src/sccol.cc

   1 /*
   2   sccol.cc -- implement Score_column
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "debug.hh"
  10 #include "pcol.hh"
  11 #include "sccol.hh"
  12
  13 int
  14 Score_column::compare(Score_column & c1, Score_column &c2)
  15 {
  16         return sign(c1.when_ - c2.when_);
  17 }
  18
  19 void
  20 Score_column::set_breakable()
  21 {
  22     pcol_l_->set_breakable();
  23 }
  24
  25 Score_column::Score_column(Moment w)
  26 {
  27     when_ = w;
  28     pcol_l_ = new PCol(0);
  29     musical_b_ = false;
  30 }
  31
  32 bool
  33 Score_column::used_b() {
  34     return pcol_l_->used_b();
  35 }
  36
  37 void
  38 Score_column::print() const
  39 {
  40 #ifndef NPRINT
  41     mtor << "Score_column { mus "<< musical_b_ <<" at " <<  when_<<'\n';
  42     mtor << "durations: [";
  43     for (int i=0; i < durations.size(); i++)
  44         mtor << durations[i] << " ";
  45     mtor << "]\n";
  46     pcol_l_->print();
  47     mtor << "}\n";
  48 #endif
  49 }
  50
  51 int
  52 Moment_compare(Moment &a , Moment& b)
  53 {
  54     return sign(a-b);
  55 }
  56
  57 void
  58 Score_column::preprocess()
  59 {
  60     durations.sort(Moment_compare);
  61 }
  62 void
  63 Score_column::add_duration(Moment d)
  64 {
  65     assert(d);
  66     for (int i = 0; i< durations.size(); i++) {
  67         if (d == durations[i])
  68             return ;
  69     }
  70     durations.push(d);
  71 }
  72
  73 bool
  74 Score_column::breakable_b()
  75 {
  76     return pcol_l_->breakable_b();
  77 }