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
  22 void
  23 Idealspacing::OK() const
  24 {
  25 #ifndef NDEBUG
  26     assert(hooke >= 0 && left  && right);
  27 #endif
  28 }
  29
  30 /****************************************************************/
  31
  32 Interval
  33 PCol::width() const
  34 {
  35     Interval w;
  36
  37     for (PCursor<const Item *> ic(its); ic.ok(); ic++)
  38         w.unite(ic->width());
  39     if (w.empty())
  40         w.unite(Interval(0,0));
  41     return w;
  42 }
  43
  44 void
  45 PCol::print() const
  46 {
  47     #ifndef NPRINT
  48     mtor << "PCol {";
  49     mtor << "# symbols: " << its.size() ;
  50     if (breakable()){
  51         mtor << "pre,post: ";
  52         prebreak->print();
  53         postbreak->print();
  54     }
  55     mtor << "extent: " << width().min << ", " << width().max << "\n";
  56     mtor << "}\n";
  57     #endif
  58 }
  59
  60 int
  61 PCol::compare(const PCol &, const PCol &)
  62 {
  63     assert(false);
  64     return 0 ;
  65 }
  66
  67 void
  68 PCol::OK () const
  69 {
  70     if (prebreak || postbreak ) {
  71         assert(prebreak&&postbreak);
  72         assert(prebreak->daddy == this);
  73         assert(postbreak->daddy == this);
  74     }
  75
  76 }
  77
  78 void
  79 PCol::set_breakable()
  80 {
  81     if (breakable())
  82         return;
  83
  84     prebreak = new PCol(this);
  85     postbreak = new PCol(this);
  86     used = true;
  87 }
  88
  89 bool
  90 PCol::breakable() const
  91 {
  92     return prebreak||postbreak;
  93 }
  94
  95 PCol::PCol(PCol *parent) {
  96     daddy = parent;
  97     prebreak=0;
  98     postbreak=0;
  99     line=0;
 100     used  = false;
 101 }
 102
 103 PCol::~PCol()
 104 {
 105
 106         delete prebreak;
 107
 108         delete postbreak;
 109 }
 110
 111 void
 112 PCol::add(const Item *i)
 113 {
 114     its.bottom().add(i);
 115     used = true;
 116 }
 117