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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<html class="reftest-wait">
<link rel="match" href="2d.filter.layers.gaussianBlur.x-only-expected.html">
<title>Canvas test: 2d.filter.layers.gaussianBlur.x-only</title>
<h1>2d.filter.layers.gaussianBlur.x-only</h1>
<p class="desc">Test CanvasFilter() with gaussianBlur.</p>
<canvas id="canvas" width="100" height="100">
  <p class="fallback">FAIL (fallback content)</p>
</canvas>
<script id='myWorker' type='text/worker'>
  self.onmessage = function(e) {
    const canvas = new OffscreenCanvas(100, 100);
    const ctx = canvas.getContext('2d');

    ctx.fillStyle = 'teal';
    ctx.beginLayer({filter: {
        name: 'gaussianBlur',
        stdDeviation: [4, 0],
    }});
    ctx.fillRect(25, 25, 50, 50);
    ctx.endLayer();

    const bitmap = canvas.transferToImageBitmap();
    self.postMessage(bitmap, bitmap);
  };
</script>
<script>
  const blob = new Blob([document.getElementById('myWorker').textContent]);
  const worker = new Worker(URL.createObjectURL(blob));
  worker.addEventListener('message', msg => {
    const outputCtx = document.getElementById("canvas").getContext('2d');
    outputCtx.drawImage(msg.data, 0, 0);
    document.documentElement.classList.remove("reftest-wait");
  });
  worker.postMessage(null);
</script>
</html>