the difference between two rounded rectangles
with the given <a href="dart-ui/Paint-class.html">Paint</a>. Whether this shape is filled or stroked (or both)
is controlled by <a href="dart-ui/Paint/style.html">Paint.style</a>.</p>
<p>This shape is almost but not quite entirely unlike an annulus.</p>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language-dart"><code class="language-dart">void drawDRRect(RRect outer, RRect