lily/scoreline.cc

   1 /*
   2   scoreline.cc -- implement Line_of_score
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1996, 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "scoreline.hh"
  10 #include "dimen.hh"
  11 #include "spanner.hh"
  12 #include "atom.hh"
  13 #include "paper-def.hh"
  14 #include "p-col.hh"
  15 #include "p-score.hh"
  16
  17
  18 Line_of_score::Line_of_score()
  19 {
  20   error_mark_b_ = 0;
  21 }
  22
  23
  24 IMPLEMENT_IS_TYPE_B1(Line_of_score,Spanner);
  25
  26 void
  27 Line_of_score::add (Score_elem*e)
  28 {
  29   // avoid excess dependencies.
  30   if (!(e->axis_group_l_a_[0] || e->axis_group_l_a_[1]))
  31     add_dependency (e);
  32 }
  33
  34 bool
  35 Line_of_score::contains_b (Paper_column const* c) const
  36 {
  37   return cols.find_l ((Paper_column*)c);
  38 }
  39
  40 void
  41 Line_of_score::set_breaking (Array<Col_hpositions> const &breaking)
  42 {
  43   for (int j=0; j < breaking.size(); j++)
  44     {
  45       const Array<Paper_column*> &curline (breaking[j].cols);
  46       const Array<Paper_column*> &errors (breaking[j].error_col_l_arr_);
  47       const Array<Real> &config (breaking[j].config);
  48
  49       for (int i=0; i < errors.size(); i++)
  50         errors[i]->error_mark_b_ = true;
  51
  52       Line_of_score *line_l=0;
  53       Line_of_score *line_p =0;
  54
  55       if (breaking.size() >1)
  56         {
  57           line_p = (Line_of_score*)clone()->spanner ();
  58           line_l = line_p;
  59         }
  60       else
  61         line_l =  this;
  62
  63       ((Array<Paper_column*> &)line_l->cols) = curline;
  64       line_l->set_bounds(LEFT,curline[0]);
  65
  66       line_l->set_bounds(RIGHT,curline.top());
  67
  68       if (line_p)
  69         {
  70           pscore_l_->typeset_broken_spanner (line_p);
  71           broken_into_l_arr_.push (line_p);
  72         }
  73
  74       for (int i=0; i < curline.size(); i++)
  75         {
  76           curline[i]->translate_axis (config[i],X_AXIS);
  77           curline[i]->line_l_ = (Line_of_score*)line_l;
  78         }
  79     }
  80 }
  81
  82
  83 void
  84 Line_of_score::break_into_pieces (bool)
  85 {
  86
  87 }
  88
  89 Link_array<Line_of_score>
  90 Line_of_score::get_lines() const
  91 {
  92   Link_array<Line_of_score> ret;
  93
  94   if (broken_into_l_arr_.size())
  95     for (int i=0; i < broken_into_l_arr_.size(); i++)
  96       {
  97         ret.push ((Line_of_score*)broken_into_l_arr_[i]);
  98       }
  99   else
 100     ret.push ((Line_of_score*)this);    // ugh
 101
 102   return ret;
 103 }
 104
 105 void
 106 Line_of_score::do_print() const
 107 {
 108   Spanner::do_print();
 109 }
 110
 111 Interval
 112 Line_of_score::do_width() const
 113 {
 114   return Spanner::do_width();
 115 }
 116
 117 Link_array<Score_elem>
 118 Line_of_score::get_extra_dependencies () const
 119 {
 120   Link_array<Score_elem> r;
 121   for (int i=0; i < cols.size (); i++)
 122     r.push (cols[i]);
 123   return r;
 124 }
 125
 126 void
 127 Line_of_score::do_unlink ()
 128 {
 129   Spanner::do_unlink ();
 130   for (int i=0; i < cols.size (); i++)
 131     cols[i]->line_l_ =0;
 132   cols.set_size (0);
 133 }
 134
 135
 136 void
 137 Line_of_score::do_junk_links ()
 138 {
 139   cols.set_size (0);
 140 }