rve. NOTE: Curves
 are scaled, the input rectangle should be also.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - the curve index specifying the curve to analyse</dd>
<dd><code>rect</code> - the rectangle that is to be moved</dd>
<dd><code>buffer</code> - the amount by which the rectangle is to be moved,
                        beyond the dimensions of the rect</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the point to move the top left of the input re