| <!DOCTYPE html> |
| <title>CanvasKit Web Worker Demo</title> |
| <meta charset="utf-8" /> |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| |
| <style> |
| canvas { |
| border: 1px dashed grey; |
| } |
| |
| .canvas-container { |
| float: left; |
| } |
| </style> |
| |
| <body> |
| <h1>CanvasKit in a Web Worker demo</h1> |
| <p>NOTE: this demo currently only works in chromium-based browsers, where |
| <a href="https://developer.mozilla.org/en-US/docs/Web/API/OffscreenCanvas#Browser_compatibility"> |
| Offscreen Canvas |
| </a> |
| is supported. |
| </p> |
| |
| <div class="canvas-container"> |
| <h2>Normal Canvas</h2> |
| <canvas id="onscreen-canvas" width=500 height=500></canvas> |
| <button id="busy-button">Make main thread busy</button> |
| </div> |
| <div class="canvas-container"> |
| <h2>Web Worker Canvas</h2> |
| <canvas id="offscreen-canvas" width=500 height=500></canvas> |
| </div> |
| </body> |
| <script type="text/javascript" src="https://unpkg.com/canvaskit-wasm@0.25.0/bin/full/canvaskit.js"></script> |
| <script type="text/javascript" src="shared.js"></script> |
| <script type="text/javascript" src="main.js"></script> |
