lily/staffline.cc

   1 #include "staffline.hh"
   2 #include "scoreline.hh"
   3 #include "dimen.hh"
   4 #include "spanner.hh"
   5 #include "symbol.hh"
   6 #include "paper-def.hh"
   7 #include "molecule.hh"
   8 #include "p-col.hh"
   9 #include "p-score.hh"
  10
  11 static String
  12 make_vbox(Interval i)
  13 {
  14     if (i.empty_b())
  15         i = Interval(0,0);
  16     Real r = i.length();
  17     String s("\\vbox to ");
  18     s += print_dimen(r);
  19     s += "{\\vskip "+print_dimen(i.right)+" ";
  20     return s;
  21 }
  22
  23
  24 String
  25 Line_of_staff::TeXstring() const
  26 {
  27     String s("%line_of_staff\n");
  28
  29     s+=make_vbox(height());
  30     // the staff itself: eg lines, accolades
  31     s += "\\hbox{";
  32     {
  33         iter_top(line_of_score_l_->cols,cc);
  34         Real lastpos=cc->hpos;
  35
  36         // all items in the current line & staff.
  37         for (; cc.ok(); cc++) {
  38             Real delta=cc->hpos - lastpos;
  39             lastpos = cc->hpos;
  40
  41             // moveover
  42             if (delta)
  43                 s +=String( "\\kern ") + print_dimen(delta);
  44             if (cc->error_mark_b_) {
  45                 s += String("\\columnerrormark");
  46             }
  47             // now output the items.
  48             for (iter_top(cc->its,i); i.ok(); i++) {
  49                 if (i->pstaff_l_ == pstaff_l_)
  50                     s += i->TeXstring();
  51             }
  52             // spanners.
  53             for (iter_top(cc->starters,i); i.ok(); i++)
  54                 if (i->pstaff_l_ == pstaff_l_)
  55                     s += i->TeXstring();
  56         }
  57     }
  58     s+="\\hss}\\vss}";
  59     return s;
  60 }
  61
  62 Line_of_staff::Line_of_staff(Line_of_score * sc, PStaff*st)
  63 {
  64     line_of_score_l_=sc;
  65     pstaff_l_=st;
  66
  67     PCol *linestart = sc->cols.top();
  68     PCol *linestop = sc->cols.bottom();
  69
  70     for (iter_top(pstaff_l_->spans,i); i.ok(); i++) {
  71         PCol *brokenstart = &max(*linestart, *i->left_col_l_);
  72         PCol *brokenstop = &min(*linestop, *i->right_col_l_);
  73         if ( *brokenstart < *brokenstop) {
  74             Spanner*span_p =i->broken_at(brokenstart,brokenstop);
  75             line_of_score_l_->pscore_l_-> // higghl
  76                 add_broken(span_p);
  77         }
  78     }
  79 }
  80
  81
  82 Interval
  83 Line_of_staff::height() const
  84 {
  85     Interval y(0,0);
  86
  87     iter_top(line_of_score_l_->cols,cc);
  88
  89     // all items in the current line & staff.
  90     for (; cc.ok(); cc++) {
  91         for (iter_top(cc->its,i); i.ok(); i++) {
  92             if (i->pstaff_l_ == pstaff_l_)
  93                 y.unite(i->height());
  94
  95         }
  96         // spanners.
  97         for (iter_top(cc->starters,i); i.ok(); i++)
  98             if (i->pstaff_l_ == pstaff_l_) {
  99                 y.unite(i->height());
 100             }
 101     }
 102
 103     return y;
 104 }
 105
 106 void
 107 Line_of_staff::process()
 108 {
 109 #if 0
 110     if (!pstaff_l_->stafsym_p_)
 111         pstaff_l_->brew_molecule_p(line_of_score_l_->pscore_l_->
 112                                  paper_l_->linewidth);
 113 #endif
 114 }