line.cc

   1 #include "line.hh"
   2 #include "symbol.hh"
   3 #include "cols.hh"
   4 #include "pscore.hh"
   5
   6 String
   7 Line_of_staff::TeXstring() const
   8 {
   9     String s("%line_of_staff\n\\vbox to ");
  10     s += String(maxheight() * VERT_TO_PT) +"pt{";
  11
  12     //make some room
  13     s += vstrut(base* VERT_TO_PT);
  14
  15     // the staff itself: eg lines, accolades
  16     s += "\\hbox{";
  17     {
  18         s+=(*pstaff_->stafsym)(scor->score->linewidth);
  19         PCursor<const PCol *> cc(scor->cols);
  20         Real lastpos=cc->hpos;
  21
  22         // all items in the current line & staff.
  23         for (; cc.ok(); cc++) {
  24             Real delta=cc->hpos - lastpos;
  25             lastpos = cc->hpos;
  26
  27             // moveover
  28             s +=String( "\\kern ") + HOR_TO_PT*delta + "pt ";
  29
  30             // now output the items.
  31
  32             for (PCursor<const Item *> ic(cc->its); ic.ok(); ic++) {
  33                 if (ic->pstaff_ == pstaff_)
  34                     s += ic->TeXstring();
  35             }
  36             // spanners.
  37             for (PCursor<const Spanner *> sc(cc->starters); sc.ok(); sc++)
  38                 if (sc->pstaff_ == pstaff_)
  39                     s += sc->TeXstring();
  40         }
  41     }
  42     s+="\\hss}\\vss}";
  43     return s;
  44 }
  45
  46 String
  47 Line_of_score::TeXstring() const
  48 {
  49      String s("\\vbox{");
  50      for (PCursor<Line_of_staff*> sc(staffs); sc.ok(); sc++){
  51          s += sc->TeXstring();
  52          if ((sc+1).ok())
  53              s+= "\\interstaffline\n";
  54      }
  55      s += "}";
  56      return s;
  57 }
  58
  59 /// testing this entry
  60 Line_of_score::Line_of_score(svec<const PCol *> sv,
  61                              const PScore *ps)
  62 {
  63     score = ps;
  64     for (int i=0; i< sv.sz(); i++) {
  65         PCol *p=(PCol *) sv[i];
  66         cols.bottom().add(p);
  67         p->line=this;
  68     }
  69
  70     for (PCursor<PStaff*> sc(score->staffs); sc.ok(); sc++)
  71         staffs.bottom().add(new Line_of_staff(this, sc));
  72 }
  73 /** construct a line with the named columns. Make the line field
  74     in each column point to this
  75
  76     #sv# isn't really const!!
  77     */
  78
  79 Line_of_staff::Line_of_staff(Line_of_score * sc, PStaff*st)
  80 {
  81     // [don't know how to calc dimensions yet.]
  82    height = 0.0;
  83    base =0.0;
  84
  85     scor=sc;
  86     pstaff_=st;
  87
  88     const    PCol *linestart= sc->cols.top();
  89     const PCol *linestop=sc->cols.bottom();
  90
  91     for (PCursor<const Spanner*> sp(pstaff_->spans); sp.ok(); sp++) {
  92         const PCol *brokenstart = &MAX(*linestart, *sp->left);
  93         const PCol *brokenstop = &MIN(*linestop, *sp->right);
  94
  95         if (*brokenstop  < *brokenstart)
  96             brokenspans.bottom().add(sp->broken_at(brokenstop, brokenstart));
  97     }
  98 }
  99
 100
 101 Real
 102 Line_of_staff::maxheight() const
 103 {
 104     Interval y;
 105     y = pstaff_->stafsym->height(scor->score->linewidth);
 106     PCursor<const PCol *> cc(scor->cols);
 107
 108     // all items in the current line & staff.
 109     for (; cc.ok(); cc++) {
 110
 111
 112         for (PCursor<const Item *> ic(cc->its); ic.ok(); ic++) {
 113             if (ic->pstaff_ == pstaff_) {
 114                 y.unite(ic->height());
 115         }
 116
 117         // spanners.
 118         for (PCursor<const Spanner *> sc(cc->starters); sc.ok(); sc++)
 119             if (sc->pstaff_ == pstaff_)
 120                 assert(false);
 121         }
 122     }
 123     return y.max;
 124 }
 125
 126