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
  45             // now output the items.
  46             for (iter_top(cc->its,i); i.ok(); i++) {
  47                 if (i->pstaff_l_ == pstaff_l_)
  48                     s += i->TeXstring();
  49             }
  50             // spanners.
  51             for (iter_top(cc->starters,i); i.ok(); i++)
  52                 if (i->pstaff_l_ == pstaff_l_)
  53                     s += i->TeXstring();
  54         }
  55     }
  56     s+="\\hss}\\vss}";
  57     return s;
  58 }
  59
  60 Line_of_staff::Line_of_staff(Line_of_score * sc, PStaff*st)
  61 {
  62     line_of_score_l_=sc;
  63     pstaff_l_=st;
  64
  65     PCol *linestart = sc->cols.top();
  66     PCol *linestop = sc->cols.bottom();
  67
  68     for (iter_top(pstaff_l_->spans,i); i.ok(); i++) {
  69         PCol *brokenstart = &max(*linestart, *i->left_col_l_);
  70         PCol *brokenstop = &min(*linestop, *i->right_col_l_);
  71         if ( *brokenstart < *brokenstop) {
  72             Spanner*span_p =i->broken_at(brokenstart,brokenstop);
  73             line_of_score_l_->pscore_l_-> // higghl
  74                 add_broken(span_p);
  75         }
  76     }
  77 }
  78
  79
  80 Interval
  81 Line_of_staff::height() const
  82 {
  83     Interval y(0,0);
  84
  85     iter_top(line_of_score_l_->cols,cc);
  86
  87     // all items in the current line & staff.
  88     for (; cc.ok(); cc++) {
  89         for (iter_top(cc->its,i); i.ok(); i++) {
  90             if (i->pstaff_l_ == pstaff_l_)
  91                 y.unite(i->height());
  92
  93         }
  94         // spanners.
  95         for (iter_top(cc->starters,i); i.ok(); i++)
  96             if (i->pstaff_l_ == pstaff_l_) {
  97                 y.unite(i->height());
  98             }
  99     }
 100
 101     return y;
 102 }
 103
 104 void
 105 Line_of_staff::process()
 106 {
 107 #if 0
 108     if (!pstaff_l_->stafsym_p_)
 109         pstaff_l_->brew_molecule_p(line_of_score_l_->pscore_l_->
 110                                  paper_l_->linewidth);
 111 #endif
 112 }