---
title: OffscreenCanvas.transferToImageBitmap()
slug: Web/API/OffscreenCanvas/transferToImageBitmap
translation_of: Web/API/OffscreenCanvas/transferToImageBitmap
---
<div>{{APIRef("Canvas API")}} {{SeeCompatTable}}</div>

<p><strong><code>OffscreenCanvas.transferToImageBitmap()</code></strong> 方法使用<code>offscreenCanvas</code>最近渲染得到的图片创建一个{{domxref("ImageBitmap")}} 对象.</p>

<h2 id="语法">语法</h2>

<pre class="syntaxbox">ImageBitmap OffscreenCanvas.transferToImageBitmap()</pre>

<h3 id="返回值">返回值</h3>

<p>一个{{domxref("ImageBitmap")}}对象.</p>

<h2 id="例子">例子</h2>

<pre class="brush: js">var offscreen = new OffscreenCanvas(256, 256);
var gl = offscreen.getContext("webgl");

//一些绘制要使用gl前后文

offscreen.transferToImageBitmap();
// ImageBitmap { width: 256, height: 256 }</pre>

<h2 id="Specifications">Specifications</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
  <tr>
   <td>{{SpecName('HTML WHATWG', "#dom-offscreencanvas-transfertoimagebitmap", "OffscreenCanvas.transferToImageBitmap()")}}</td>
   <td>{{Spec2('HTML WHATWG')}}</td>
   <td></td>
  </tr>
 </tbody>
</table>

<h2 id="浏览器兼容">浏览器兼容</h2>



<p>{{Compat("api.OffscreenCanvas.transferToImageBitmap")}}</p>

<h2 id="浏览相关">浏览相关</h2>

<ul>
 <li>The interface defining this method, {{domxref("OffscreenCanvas")}}</li>
 <li>{{domxref("ImageBitmapRenderingContext.transferImageBitmap()")}}</li>
</ul>