Function ReversePolyPtLinks

renderers/agg/src/clipper.cpp:261–271

//------------------------------------------------------------------------------

void ReversePolyPtLinks(PolyPt &pp)
{
  PolyPt *pp1, *pp2;
  pp1 = &pp;
  do {
  pp2 = pp1->next;
  pp1->next = pp1->prev;
  pp1->prev = pp2;
  pp1 = pp2;
  } while( pp1 != &pp );
}
//------------------------------------------------------------------------------

void DisposePolyPts(PolyPt*& pp)