public Shape modelToView(int pos,Shape a,Position.Bias b) throws BadLocationException {
  return m_view.modelToView(pos,a,b);
}

public Shape modelToView ( int pos , Shape a , Position . Bias b ) throws BadLocationException { return m_view . modelToView ( pos , a , b ) ; }
provides a mapping from the document model coordinate space to the coordinate space of the view mapped to it .
