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_)->
  30             brew_molecule(line_of_score_->pscore_->paper_->linewidth);
  31
  32         s+=pstaff_->stafsym->TeXstring();
  33         PCursor<const PCol *> cc(line_of_score_->cols);
  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 (PCursor<const Item *> ic(cc->its); ic.ok(); ic++) {
  48                 if (ic->pstaff_ == pstaff_)
  49                     s += ic->TeXstring();
  50             }
  51             // spanners.
  52             for (PCursor<const Spanner *> sc(cc->starters); sc.ok(); sc++)
  53                 if (sc->pstaff_ == pstaff_)
  54                     s += sc->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_=sc;
  64     pstaff_=st;
  65
  66     PCol *linestart = sc->cols.top();
  67     PCol *linestop = sc->cols.bottom();
  68
  69     for (PCursor<const Spanner*> sp(pstaff_->spans); sp.ok(); sp++) {
  70
  71         PCol *brokenstart = &max(*linestart, *sp->left);
  72         PCol *brokenstop = &min(*linestop, *sp->right);
  73         if ( *brokenstart < *brokenstop) {
  74             line_of_score_->pscore_-> // higghl
  75                 add_broken(sp->broken_at(brokenstart,brokenstop));
  76         }
  77     }
  78 }
  79
  80
  81 Interval
  82 Line_of_staff::height() const
  83 {
  84     Interval y;
  85     {
  86         y = pstaff_->stafsym->extent().y;
  87     }
  88     PCursor<const PCol *> cc(line_of_score_->cols);
  89
  90     // all items in the current line & staff.
  91     for (; cc.ok(); cc++) {
  92         for (PCursor<const Item *> ic(cc->its); ic.ok(); ic++) {
  93             if (ic->pstaff_ == pstaff_) {
  94                 y.unite(ic->height());
  95         }
  96
  97         // spanners.
  98         for (PCursor<const Spanner *> sc(cc->starters); sc.ok(); sc++)
  99             if (sc->pstaff_ == pstaff_) {
 100                 y.unite(sc->height());
 101             }
 102         }
 103     }
 104     return y;
 105 }
 106
 107 void
 108 Line_of_staff::process()
 109 {
 110     if (!pstaff_->stafsym)
 111         pstaff_->brew_molecule(line_of_score_->pscore_->
 112                                paper_->linewidth);
 113 }