src/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 "pcol.hh"
   9 #include "pscore.hh"
  10
  11 static String
  12 make_vbox(Interval i)
  13 {
  14     Real r = (i.empty()) ? 0.0 : i.length();
  15     String s("\\vbox to ");
  16     s += print_dimen(r);
  17     s += "{\\vskip "+print_dimen(i.right)+" ";
  18     return s;
  19 }
  20
  21
  22 String
  23 Line_of_staff::TeXstring() const
  24 {
  25     String s("%line_of_staff\n");
  26
  27     s+=make_vbox(height());
  28     // the staff itself: eg lines, accolades
  29     s += "\\hbox{";
  30     {
  31         iter_top(line_of_score_l_->cols,cc);
  32         Real lastpos=cc->hpos;
  33
  34         // all items in the current line & staff.
  35         for (; cc.ok(); cc++) {
  36             Real delta=cc->hpos - lastpos;
  37             lastpos = cc->hpos;
  38
  39             // moveover
  40             if (delta)
  41                 s +=String( "\\kern ") + print_dimen(delta);
  42
  43             // now output the items.
  44             for (iter_top(cc->its,i); i.ok(); i++) {
  45                 if (i->pstaff_l_ == pstaff_l_)
  46                     s += i->TeXstring();
  47             }
  48             // spanners.
  49             for (iter_top(cc->starters,i); i.ok(); i++)
  50                 if (i->pstaff_l_ == pstaff_l_)
  51                     s += i->TeXstring();
  52         }
  53     }
  54     s+="\\hss}\\vss}";
  55     return s;
  56 }
  57
  58 Line_of_staff::Line_of_staff(Line_of_score * sc, PStaff*st)
  59 {
  60     line_of_score_l_=sc;
  61     pstaff_l_=st;
  62
  63     PCol *linestart = sc->cols.top();
  64     PCol *linestop = sc->cols.bottom();
  65
  66     for (iter_top(pstaff_l_->spans,i); i.ok(); i++) {
  67         PCol *brokenstart = &max(*linestart, *i->left);
  68         PCol *brokenstop = &min(*linestop, *i->right);
  69         if ( *brokenstart < *brokenstop) {
  70             Spanner*span_p =i->broken_at(brokenstart,brokenstop);
  71             line_of_score_l_->pscore_l_-> // higghl
  72                 add_broken(span_p);
  73         }
  74     }
  75 }
  76
  77
  78 Interval
  79 Line_of_staff::height() const
  80 {
  81     Interval y(0,0);
  82
  83     iter_top(line_of_score_l_->cols,cc);
  84
  85     // all items in the current line & staff.
  86     for (; cc.ok(); cc++) {
  87         for (iter_top(cc->its,i); i.ok(); i++) {
  88             if (i->pstaff_l_ == pstaff_l_)
  89                 y.unite(i->height());
  90
  91         }
  92         // spanners.
  93         for (iter_top(cc->starters,i); i.ok(); i++)
  94             if (i->pstaff_l_ == pstaff_l_) {
  95                 y.unite(i->height());
  96             }
  97     }
  98
  99     return y;
 100 }
 101
 102 void
 103 Line_of_staff::process()
 104 {
 105 #if 0
 106     if (!pstaff_l_->stafsym_p_)
 107         pstaff_l_->brew_molecule_p(line_of_score_l_->pscore_l_->
 108                                  paper_l_->linewidth);
 109 #endif
 110 }