public mxRectangle(mxRectangle rect){
  this(rect.getX(),rect.getY(),rect.getWidth(),rect.getHeight());
}

public mxRectangle ( mxRectangle rect ) { this ( rect . getX ( ) , rect . getY ( ) , rect . getWidth ( ) , rect . getHeight ( ) ) ; }
constructs a copy of the given rectangle .
