line.cc

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