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.hh"
   7 #include "molecule.hh"
   8 #include "pcol.hh"
   9 #include "pscore.hh"
  10
  11 static String
  12 make_vbox(Interval i)
  13 {
  14     String s("\\vbox to ");
  15     s += print_dimen(i.length());
  16     s += "{\\vskip "+print_dimen(i.right)+" ";
  17     return s;
  18 }
  19
  20
  21 String
  22 Line_of_staff::TeXstring() const
  23 {
  24     String s("%line_of_staff\n");
  25     s+=make_vbox(height());
  26     // the staff itself: eg lines, accolades
  27     s += "\\hbox{";
  28     {
  29         ((PStaff*)pstaff_l_)->
  30             brew_molecule(line_of_score_l_->pscore_l_->paper_l_->linewidth);
  31
  32         s+=pstaff_l_->stafsym_p_->TeXstring();
  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
  47             for (iter_top(cc->its,i); i.ok(); i++) {
  48                 if (i->pstaff_l_ == pstaff_l_)
  49                     s += i->TeXstring();
  50             }
  51             // spanners.
  52             for (iter_top(cc->starters,i); i.ok(); i++)
  53                 if (i->pstaff_l_ == pstaff_l_)
  54                     s += i->TeXstring();
  55         }
  56     }
  57     s+="\\hss}\\vss}";
  58     return s;
  59 }
  60
  61 Line_of_staff::Line_of_staff(Line_of_score * sc, PStaff*st)
  62 {
  63     line_of_score_l_=sc;
  64     pstaff_l_=st;
  65
  66     PCol *linestart = sc->cols.top();
  67     PCol *linestop = sc->cols.bottom();
  68
  69     for (iter_top(pstaff_l_->spans,i); i.ok(); i++) {
  70
  71         PCol *brokenstart = &max(*linestart, *i->left);
  72         PCol *brokenstop = &min(*linestop, *i->right);
  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 = pstaff_l_->stafsym_p_->extent().y;
  86     iter_top(line_of_score_l_->cols,cc);
  87
  88     // all items in the current line & staff.
  89     for (; cc.ok(); cc++) {
  90         for (iter_top(cc->its,i); i.ok(); i++) {
  91             if (i->pstaff_l_ == pstaff_l_)
  92                 y.unite(i->height());
  93
  94         }
  95         // spanners.
  96         for (iter_top(cc->starters,i); i.ok(); i++)
  97             if (i->pstaff_l_ == pstaff_l_) {
  98                 y.unite(i->height());
  99             }
 100     }
 101
 102     return y;
 103 }
 104
 105 void
 106 Line_of_staff::process()
 107 {
 108     if (!pstaff_l_->stafsym_p_)
 109         pstaff_l_->brew_molecule(line_of_score_l_->pscore_l_->
 110                                paper_l_->linewidth);
 111 }