ntribution of
that image to the corresponding output pixel, as if the color of that
pixel in that image was darker.</p>
<p>This corresponds to the "Source plus Destination" Porter-Duff operator.</p>
<p><img alt="" src="https://flutter.github.io/assets-for-api-docs/assets/dart-ui/blend_mode_plus.png"></p>
                  
  <div>
            <span class="signature"><code>const BlendMode(12)</code></span>
          </div>
        </dd>
        <dt id="saturation" class="constant">
          <span class="nam