Canvas implementation to be used to allow usage outside of the browser. e.g Node.js with node-canvas.
##### options.crossOrigin
Type: `string`<br>
Default: `undefined`
The `crossOrigin` attribute that `Image` instances should use. e.g `Anonymous` to [support CORS-enabled images](https://developer.mozilla.org/en-US/docs/Web/HTML/CORS_enabled_image).