Method PrepareToPaint

Views/Infovis/vtkDendrogramItem.cxx:194–201

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkDendrogramItem::PrepareToPaint(vtkContext2D* painter)
{
  if (this->IsDirty())
  {
    this->RebuildBuffers();
  }
  this->ComputeLabelWidth(painter);
}

//------------------------------------------------------------------------------
bool vtkDendrogramItem::IsDirty()