ass="parameter" id="scale-param-sy"><span class="type-annotation"><a href="dart-core/double-class.html">double</a></span> <span class="parameter-name">sy</span></span>)
            <span class="returntype parameter">&#8594; void</span>
          </span>
        </dt>
        <dd>
          Add an axis-aligned scale to the current transform, scaling by the first
argument in the horizontal direction and the second in the vertical
direction.
          
</dd>
        <dt id="skew" class="callable">
          <s