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2d.layer.anisotropic-blur.y-only.tentative.w.html (1410B)


      1 <!DOCTYPE html>
      2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
      3 <meta charset="UTF-8">
      4 <html class="reftest-wait">
      5 <link rel="match" href="2d.layer.anisotropic-blur.y-only.tentative-expected.html">
      6 <title>Canvas test: 2d.layer.anisotropic-blur.y-only.tentative</title>
      7 <h1>2d.layer.anisotropic-blur.y-only.tentative</h1>
      8 <p class="desc">Checks that layers allow gaussian blur with separate X and Y components.</p>
      9 <canvas id="canvas" width="200" height="200">
     10  <p class="fallback">FAIL (fallback content)</p>
     11 </canvas>
     12 <script id='myWorker' type='text/worker'>
     13  self.onmessage = function(e) {
     14    const canvas = new OffscreenCanvas(200, 200);
     15    const ctx = canvas.getContext('2d');
     16 
     17    ctx.beginLayer({filter: { name: 'gaussianBlur', stdDeviation: [0, 4] }});
     18 
     19    ctx.fillStyle = 'teal';
     20    ctx.fillRect(50, 50, 100, 100);
     21 
     22    ctx.endLayer();
     23 
     24    const bitmap = canvas.transferToImageBitmap();
     25    self.postMessage(bitmap, bitmap);
     26  };
     27 </script>
     28 <script>
     29  const blob = new Blob([document.getElementById('myWorker').textContent]);
     30  const worker = new Worker(URL.createObjectURL(blob));
     31  worker.addEventListener('message', msg => {
     32    const outputCtx = document.getElementById("canvas").getContext('2d');
     33    outputCtx.drawImage(msg.data, 0, 0);
     34    document.documentElement.classList.remove("reftest-wait");
     35  });
     36  worker.postMessage(null);
     37 </script>
     38 </html>