VFront.cc

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//=============================================================================
//
//  CLASS newClass - IMPLEMENTATION
//
//=============================================================================
 
 
//== INCLUDES =================================================================
 
#include <OpenMesh/Tools/VDPM/VFront.hh>
 
//== NAMESPACES ===============================================================
 
namespace OpenMesh {
namespace VDPM {
 
//== IMPLEMENTATION ========================================================== 
 
 
VFront::VFront()
{  
}
 
 
void
VFront::
add(VHierarchyNodeHandle _node_handle)
{
  front_location_[_node_handle.idx()] = front_.insert(front_.end(), _node_handle);
}
 
 
void
VFront::
remove(VHierarchyNodeHandle _node_handle)
{
  VHierarchyNodeHandleListIter node_it = front_location_[_node_handle.idx()];
  const bool isFront = (front_it_ == node_it);
  VHierarchyNodeHandleListIter next_it = front_.erase(node_it);
  front_location_[_node_handle.idx()] = front_.end();
 
  if (isFront)
    front_it_ = next_it;
}
 
bool
VFront::
is_active(VHierarchyNodeHandle _node_handle)
{
  return  (front_location_[_node_handle.idx()] != front_.end()) ? true : false;
}
 
void 
VFront::
init(VHierarchyNodeHandleContainer &_roots, unsigned int _n_details)
{
  unsigned int i;
 
  front_location_.resize(_roots.size() + 2*_n_details);
  for (i=0; i<front_location_.size(); ++i)
    front_location_[i] = front_.end();
 
  for (i=0; i<_roots.size(); ++i)
    add(_roots[i]);
}
 
 
//=============================================================================
} // namespace VDPM
} // namespace OpenMesh
//=============================================================================