lily/p-col.cc

   1 /*
   2   p-col.cc -- implement Paper_column
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "p-col.hh"
  10 #include "p-score.hh"
  11 #include "debug.hh"
  12
  13
  14 int
  15 Paper_column::rank_i() const
  16 {
  17   return rank_i_;
  18 }
  19
  20 void
  21 Paper_column::set_rank (int i)
  22 {
  23   rank_i_ = i;
  24   if (prebreak_l())
  25     prebreak_l()->rank_i_ = i;
  26   if (postbreak_l())
  27     postbreak_l()->rank_i_ = i;
  28 }
  29
  30 void
  31 Paper_column::do_print() const
  32 {
  33 #ifndef NPRINT
  34   DOUT << "rank: " << rank_i_ << '\n';
  35   if (prebreak_l())
  36     {
  37       DOUT << "\npre: ";
  38       prebreak_l()->print();
  39     }
  40   if (postbreak_l())
  41     {
  42       DOUT << "post: ";
  43       postbreak_l()->print();
  44     }
  45   if (break_status_i_)
  46     {
  47       DOUT <<'\n' << ((break_status_i_ == -1)? "prebreak" : "postbreak");
  48       DOUT << '\n';
  49     }
  50   DOUT << "extent: " << width().str () << "\n";
  51 #endif
  52 }
  53
  54 int
  55 Paper_column::compare (Paper_column const &c1, Paper_column const &c2)
  56 {
  57   return c1.rank_i() - c2.rank_i ();
  58 }
  59
  60 Paper_column*
  61 Paper_column::prebreak_l() const
  62 {
  63   return (Paper_column*)broken_to_drul_[LEFT];
  64 }
  65
  66 Paper_column*
  67 Paper_column::postbreak_l() const
  68 {
  69   return(Paper_column*) broken_to_drul_[RIGHT];
  70 }
  71 bool
  72 Paper_column::breakpoint_b() const
  73 {
  74   return !line_l_;
  75 }
  76
  77 Paper_column::Paper_column()
  78 {
  79   used_b_ = false;
  80   error_mark_b_ = false;
  81   line_l_=0;
  82   rank_i_ = -1;
  83 }
  84
  85 Line_of_score*
  86 Paper_column::line_l() const
  87 {
  88   return line_l_;
  89 }
  90
  91 bool
  92 Paper_column::used_b() const
  93 {
  94   return linked_b();
  95 }
  96
  97 IMPLEMENT_IS_TYPE_B1(Paper_column, Horizontal_group_item);
  98