2d.layer.nested.html

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/layers/2d.layer.nested.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->

<meta charset="UTF-8">

<link rel="match" href="2d.layer.nested-expected.html">

<title>Canvas test: 2d.layer.nested</title>

<h1>2d.layer.nested</h1>

<p class="desc">Tests nested canvas layers.</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');

  var circle = new Path2D();

  circle.arc(90, 90, 40, 0, 2 * Math.PI);

  ctx.fill(circle);

  ctx.globalCompositeOperation = 'source-in';

  ctx.beginLayer();

  ctx.fillStyle = 'rgba(0, 0, 255, 1)';

  ctx.fillRect(60, 60, 75, 50);

  ctx.globalAlpha = 0.5;

  ctx.beginLayer();

  ctx.fillStyle = 'rgba(225, 0, 0, 1)';

  ctx.fillRect(50, 50, 75, 50);

  ctx.fillStyle = 'rgba(0, 255, 0, 1)';

  ctx.fillRect(70, 70, 75, 50);

  ctx.endLayer();

  ctx.endLayer();

  const outputCanvas = document.getElementById("canvas");

  outputCanvas.getContext('2d').drawImage(canvas, 0, 0);

</script>