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path: root/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.shadow-from-outside-canvas.long-distance.html
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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<link rel="match" href="2d.layer.shadow-from-outside-canvas.long-distance-expected.html">
<title>Canvas test: 2d.layer.shadow-from-outside-canvas.long-distance</title>
<h1>2d.layer.shadow-from-outside-canvas.long-distance</h1>
<p class="desc">Checks shadow produced by object drawn outside the canvas</p>
<canvas id="canvas" width="200" height="200">
  <p class="fallback">FAIL (fallback content)</p>
</canvas>
<script>
  const canvas = new OffscreenCanvas(200, 200);
  const ctx = canvas.getContext('2d');

  const delta = 10000;

  // No clipping.

  ctx.beginLayer({filter: [
      {name: 'dropShadow', dx: -(200 + delta),
        dy: -(200 + delta), stdDeviation: 0,
        floodColor: 'green'},
      ]});

  ctx.fillStyle = 'red';
  ctx.fillRect(200 + delta, 200 + delta, 100, 100);

  ctx.endLayer();

  const outputCanvas = document.getElementById("canvas");
  outputCanvas.getContext('2d').drawImage(canvas, 0, 0);
</script>