tor-browser

The Tor Browser
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2d.layer.ctm.resetTransform.w.html (1461B)


      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.ctm.resetTransform-expected.html">
      6 <title>Canvas test: 2d.layer.ctm.resetTransform</title>
      7 <h1>2d.layer.ctm.resetTransform</h1>
      8 <p class="desc">Tests resetTransform inside layers.</p>
      9 <canvas id="canvas" width="100" height="50">
     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(100, 50);
     15    const ctx = canvas.getContext('2d');
     16 
     17    ctx.translate(40, 0);
     18 
     19    ctx.beginLayer();
     20    ctx.rotate(2);
     21    ctx.beginLayer();
     22    ctx.scale(5, 6);
     23    ctx.resetTransform();
     24    ctx.fillStyle = 'blue';
     25    ctx.fillRect(0, 0, 20, 20);
     26    ctx.endLayer();
     27    ctx.endLayer();
     28 
     29    ctx.fillStyle = 'green';
     30    ctx.fillRect(0, 0, 20, 20);
     31 
     32    const bitmap = canvas.transferToImageBitmap();
     33    self.postMessage(bitmap, bitmap);
     34  };
     35 </script>
     36 <script>
     37  const blob = new Blob([document.getElementById('myWorker').textContent]);
     38  const worker = new Worker(URL.createObjectURL(blob));
     39  worker.addEventListener('message', msg => {
     40    const outputCtx = document.getElementById("canvas").getContext('2d');
     41    outputCtx.drawImage(msg.data, 0, 0);
     42    document.documentElement.classList.remove("reftest-wait");
     43  });
     44  worker.postMessage(null);
     45 </script>
     46 </html>