1<!DOCTYPE html>
2<title>CanvasKit Web Worker Demo</title>
3<meta charset="utf-8" />
4<meta http-equiv="X-UA-Compatible" content="IE=edge">
5<meta name="viewport" content="width=device-width, initial-scale=1.0">
6
7<style>
8  canvas {
9    border: 1px dashed grey;
10  }
11
12  .canvas-container {
13    float: left;
14  }
15</style>
16
17<body>
18  <h1>CanvasKit in a Web Worker demo</h1>
19  <p>NOTE: this demo currently only works in chromium-based browsers, where
20    <a href="https://developer.mozilla.org/en-US/docs/Web/API/OffscreenCanvas#Browser_compatibility">
21      Offscreen Canvas
22    </a>
23    is supported.
24  </p>
25
26  <div class="canvas-container">
27    <h2>Normal Canvas</h2>
28    <canvas id="onscreen-canvas" width=500 height=500></canvas>
29    <button id="busy-button">Make main thread busy</button>
30  </div>
31  <div class="canvas-container">
32    <h2>Web Worker Canvas</h2>
33    <canvas id="offscreen-canvas" width=500 height=500></canvas>
34  </div>
35</body>
36<script type="text/javascript" src="https://unpkg.com/canvaskit-wasm@0.25.0/bin/full/canvaskit.js"></script>
37<script type="text/javascript" src="shared.js"></script>
38<script type="text/javascript" src="main.js"></script>
39