on"><a href="dart-ui/Offset-class.html">Offset</a></span> <span class="parameter-name">origin</span></span>)
      
    </section>
    <section class="desc markdown">
      <p>The offset to the center of the right edge of the rectangle described by the
given offset (which is interpreted as the top-left corner) and this size.</p>
<p>See also <a href="dart-ui/Size/centerLeft.html">Rect.centerLeft</a>.</p>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation<