pcol.cc

   1 #include "pcol.hh"
   2 #include "pstaff.hh"
   3 #include "debug.hh"
   4
   5 void
   6 Idealspacing::print() const
   7 {
   8     #ifndef NPRINT
   9     mtor << "idealspacing {" ;
  10     mtor << "distance "<<space<< " strength " << hooke << "}\n";
  11     #endif
  12 }
  13
  14 Idealspacing::Idealspacing(const PCol * l,const PCol * r)
  15 {
  16     space = 0.0;
  17     hooke = 0.0;
  18     left = l;
  19     right = r;
  20 }
  21 void
  22 Idealspacing::OK() const
  23 {
  24 #ifndef NDEBUG
  25     assert(hooke >= 0 && left  && right);
  26 #endif
  27 }
  28
  29 /****************************************************************/
  30
  31 Interval
  32 PCol::width() const
  33 {
  34     Interval w;
  35
  36     for (PCursor<const Item *> ic(its); ic.ok(); ic++)
  37         w.unite(ic->width());
  38     if (w.empty())
  39         w.unite(Interval(0,0));
  40     return w;
  41 }
  42
  43 void
  44 PCol::print() const
  45 {
  46     #ifndef NPRINT
  47     mtor << "PCol {";
  48     mtor << "# symbols: " << its.size() ;
  49     mtor << "breakable: " << breakable<<"\n";
  50     mtor << "extent: " << width().min << ", " << width().max << "\n";
  51     mtor << "}\n";
  52     #endif
  53 }
  54
  55 int
  56 PCol::compare(const PCol &, const PCol &)
  57 {
  58     assert(false);
  59     return 0 ;
  60 }
  61
  62 void
  63 PCol::OK () const
  64 {
  65     if (prebreak || postbreak ) {
  66         assert(breakable);
  67     }
  68
  69 }
  70
  71 void
  72 PCol::set_breakable()
  73 {
  74     if (breakable)
  75         return;
  76
  77     prebreak = new PCol(this);
  78     postbreak = new PCol(this);
  79     breakable = true;
  80     used = true;
  81 }
  82
  83 PCol::PCol(PCol *parent) {
  84     daddy = parent;
  85     prebreak=0;
  86     postbreak=0;
  87     breakable=false;
  88     line=0;
  89     used  = false;
  90 }
  91
  92 PCol::~PCol()
  93 {
  94     if (prebreak)
  95         delete prebreak;        // no recursion!
  96     if (postbreak)
  97         delete postbreak;
  98 }
  99
 100 void
 101 PCol::add(const Item *i)
 102 {
 103     its.bottom().add(i);
 104     used = true;
 105 }
 106