age.</li></ul>
                  
  <div>
            <span class="signature"><code>const BlendMode(15)</code></span>
          </div>
        </dd>
        <dt id="plus" class="constant">
          <span class="name ">plus</span>
          <span class="signature">&#8594; const <a href="dart-ui/BlendMode-class.html">BlendMode</a></span>
                  </dt>
        <dd>
          <p>Sum the components of the source and destination images.</p>
<p>Transparency in a pixel of one of the images reduces the co