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 "symbol.hh"
  13 #include "paper-def.hh"
  14 #include "p-col.hh"
  15 #include "p-score.hh"
  16
  17
  18 /* To do:
  19
  20    take out hard coded TeX stuff.
  21    */
  22 String
  23 Line_of_score::TeX_output_str () const
  24 {
  25   String s ("\\hbox{%<- line of score\n");
  26   if (error_mark_b_)
  27     s+= "\\scorelineerrormark";
  28
  29   s+= Score_elem::TeX_output_str();
  30   s += "}";
  31   return s;
  32 }
  33
  34
  35 Line_of_score::Line_of_score()
  36 {
  37   error_mark_b_ = 0;
  38 }
  39
  40
  41 IMPLEMENT_IS_TYPE_B1(Line_of_score,Spanner);
  42
  43 void
  44 Line_of_score::add (Score_elem*e)
  45 {
  46   // avoid excess dependencies.
  47   if (!(e->axis_group_l_a_[0] || e->axis_group_l_a_[1]))
  48     add_dependency (e);
  49 }
  50
  51 bool
  52 Line_of_score::contains_b (Paper_column const* c) const
  53 {
  54   return cols.find_l ((Paper_column*)c);
  55 }
  56
  57 void
  58 Line_of_score::set_breaking (Array<Col_hpositions> const &breaking)
  59 {
  60   for (int j=0; j < breaking.size(); j++)
  61     {
  62       const Array<Paper_column*> &curline (breaking[j].cols);
  63       const Array<Paper_column*> &errors (breaking[j].error_col_l_arr_);
  64       const Array<Real> &config (breaking[j].config);
  65
  66       for (int i=0; i < errors.size(); i++)
  67         errors[i]->error_mark_b_ = true;
  68
  69       Line_of_score *line_l=0;
  70       Line_of_score *line_p =0;
  71
  72       if (breaking.size() >1)
  73         {
  74           line_p = (Line_of_score*)clone()->spanner ();
  75           line_l = line_p;
  76         }
  77       else
  78         line_l =  this;
  79
  80       ((Array<Paper_column*> &)line_l->cols) = curline;
  81       line_l->set_bounds(LEFT,curline[0]);
  82
  83       line_l->set_bounds(RIGHT,curline.top());
  84
  85       if (line_p)
  86         {
  87           pscore_l_->typeset_broken_spanner (line_p);
  88           broken_into_l_arr_.push (line_p);
  89         }
  90
  91       for (int i=0; i < curline.size(); i++)
  92         {
  93           curline[i]->translate(config[i],X_AXIS);
  94           curline[i]->line_l_ = (Line_of_score*)line_l;
  95         }
  96     }
  97 }
  98
  99
 100 void
 101 Line_of_score::break_into_pieces (bool)
 102 {
 103
 104 }
 105
 106 Link_array<Line_of_score>
 107 Line_of_score::get_lines() const
 108 {
 109   Link_array<Line_of_score> ret;
 110
 111   if (broken_into_l_arr_.size())
 112     for (int i=0; i < broken_into_l_arr_.size(); i++)
 113       {
 114         ret.push ((Line_of_score*)broken_into_l_arr_[i]);
 115       }
 116   else
 117     ret.push ((Line_of_score*)this);    // ugh
 118
 119   return ret;
 120 }
 121
 122 void
 123 Line_of_score::do_print() const
 124 {
 125   Spanner::do_print();
 126 }
 127
 128 Interval
 129 Line_of_score::do_width() const
 130 {
 131   return Spanner::do_width();
 132 }
 133
 134 void
 135 Line_of_score::do_breakable_col_processing()
 136 {
 137   for (int i=0; i < cols.size (); i++)
 138     cols[i]->breakable_col_processing();
 139   Spanner::do_breakable_col_processing();
 140 }