>devicePixelRatio</a></span>
          <span class="signature">&#8594; <a href="../dart-core/double-class.html">double</a></span>         
        </dt>
        <dd>
          The number of device pixels for each logical pixel. This number might not
be a power of two. Indeed, it might not even be an integer. For example,
the Nexus 6 has a device pixel ratio of 3.5. <a href="../dart-ui/Window/devicePixelRatio.html">[...]</a>
                  <div class="features">read-only</div>
</dd>
        <dt id="initia