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.max)+" ";
  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
  67     PCol *linestart = sc->cols.top();
  68     PCol *linestop = sc->cols.bottom();
  69
  70
  71     for (PCursor<const Spanner*> sp(pstaff_->spans); sp.ok(); sp++) {
  72         PCol *brokenstart = &MAX(*linestart, *sp->left);
  73         PCol *brokenstop = &MIN(*linestop, *sp->right);
  74         if ( *brokenstart < *brokenstop) {
  75             line_of_score_->pscore_-> // higghl
  76                 add_broken(sp->broken_at(brokenstart,brokenstop));
  77         }
  78     }
  79 }
  80
  81
  82 Interval
  83 Line_of_staff::height() const
  84 {
  85     Interval y;
  86     {
  87         y = pstaff_->stafsym->extent().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 void
 109 Line_of_staff::process()
 110 {
 111     if (!pstaff_->stafsym)
 112         pstaff_->brew_molecule(line_of_score_->pscore_->
 113                                paper_->linewidth);
 114 }