ient
    context.fillRect(<span class="number">0</span>, <span class="number">0</span>, width, height)
    <span class="keyword">return</span> context.getImageData(<span class="number">0</span>, <span class="number">0</span>, width, height)

  <span class="function"><span class="title">BlurStack</span></span> = -&gt;
    <span class="property">@r</span> = <span class="number">0</span>
    <span class="property">@g</span> = <span class="number">0</span>
    <span class="property">@b</span> = <span class="num