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 "pcol.hh"
   8 #include "pscore.hh"
   9
  10 static String
  11 make_vbox(Interval i)
  12 {
  13     String s("\\vbox to ");
  14     s += print_dimen(i.length());
  15     s += "{\\vskip "+print_dimen(i.max)+" ";
  16     return s;
  17 }
  18
  19
  20 String
  21 Line_of_staff::TeXstring() const
  22 {
  23     String s("%line_of_staff\n");
  24     s+=make_vbox(height());
  25     // the staff itself: eg lines, accolades
  26     s += "\\hbox{";
  27     {
  28         Symbol sym = pstaff_->get_stafsym(line_of_score_->pscore_-> // ugh
  29                                           paper_->linewidth);
  30         s+=sym.tex;
  31         PCursor<const PCol *> cc(line_of_score_->cols);
  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
  45             for (PCursor<const Item *> ic(cc->its); ic.ok(); ic++) {
  46                 if (ic->pstaff_ == pstaff_)
  47                     s += ic->TeXstring();
  48             }
  49             // spanners.
  50             for (PCursor<const Spanner *> sc(cc->starters); sc.ok(); sc++)
  51                 if (sc->pstaff_ == pstaff_)
  52                     s += sc->TeXstring();
  53         }
  54     }
  55     s+="\\hss}\\vss}";
  56     return s;
  57 }
  58
  59 Line_of_staff::Line_of_staff(Line_of_score * sc, PStaff*st)
  60 {
  61     line_of_score_=sc;
  62     pstaff_=st;
  63
  64
  65     const PCol *linestart = sc->cols.top();
  66     const PCol *linestop = sc->cols.bottom();
  67
  68
  69     for (PCursor<const Spanner*> sp(pstaff_->spans); sp.ok(); sp++) {
  70         const PCol *brokenstart = &MAX(*linestart, *sp->left);
  71         const PCol *brokenstop = &MIN(*linestop, *sp->right);
  72         if ( *brokenstart < *brokenstop) {
  73             line_of_score_->pscore_-> // higghl
  74                 add_broken(sp->broken_at(brokenstart,brokenstop));
  75         }
  76     }
  77 }
  78
  79
  80 Interval
  81 Line_of_staff::height() const
  82 {
  83     Interval y;
  84     {
  85         Symbol s = pstaff_->stafsym->eval(line_of_score_->pscore_->
  86                                           paper_->linewidth);
  87         y = s.dim.y;
  88     }
  89     PCursor<const PCol *> cc(line_of_score_->cols);
  90
  91     // all items in the current line & staff.
  92     for (; cc.ok(); cc++) {
  93         for (PCursor<const Item *> ic(cc->its); ic.ok(); ic++) {
  94             if (ic->pstaff_ == pstaff_) {
  95                 y.unite(ic->height());
  96         }
  97
  98         // spanners.
  99         for (PCursor<const Spanner *> sc(cc->starters); sc.ok(); sc++)
 100             if (sc->pstaff_ == pstaff_) {
 101                 y.unite(sc->height());
 102             }
 103         }
 104     }
 105     return y;
 106 }
 107
 108