anim-feComposite-operator-01.svg

Enable keyboard shortcuts

Checkerboard

<svg xmlns="http://www.w3.org/2000/svg"

     xmlns:xlink="http://www.w3.org/1999/xlink"

     class="reftest-wait">

  <title>Test animation of the "operator" enum attribute on the "feComposite" element</title>

  <script xlink:href="smil-util.js" type="text/javascript"/>

  <filter id="composite_filter_1" x="-100%" y="0%" width="200%" height="100%">

    <feFlood flood-color="lime" result="lime"/>

    <feComposite in="lime" in2="SourceGraphic" operator="out">

      <!-- this should turn the referencing element red at 1.25s -->

      <animate attributeName="operator"

               calcMode="discrete"

               begin="0s" dur="2.5s"

               from="out" to="in"

               fill="freeze"/>

    </feComposite>

  </filter>

  <filter id="composite_filter_2" x="0%" y="0%" width="200%" height="100%">

    <feFlood flood-color="lime" result="lime"/>

    <feComposite in="lime" in2="SourceGraphic" operator="out">

      <!-- this should turn the referencing element lime at 1s -->

      <animate attributeName="operator"

               calcMode="discrete"

               begin="0s" dur="2s"

               from="out" to="in"

               fill="freeze"/>

    </feComposite>

  </filter>

  <rect width="100%" height="100%" fill="lime"/>

  <!-- 40% through discrete animation simple duration - test animation doesn't affect the element too early -->

  <rect         width="100" height="100" fill="red"/>

  <rect x="100" width="100" height="100" fill="red" filter="url(#composite_filter_1)"/>

  <!-- 50% through discrete animation simple duration - test animation affects the element now -->

  <rect y="100" width="100" height="100" fill="red"/>

  <rect y="100" width="100" height="100" fill="red" filter="url(#composite_filter_2)"/>

  <script type="text/javascript">

    function doTest() {

      setTimeAndSnapshot(1, true);

    window.addEventListener("MozReftestInvalidate", doTest, false);

  </script>

</svg>