This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The OffscreenCanvas.transferToImageBitmap()
method creates an ImageBitmap
object from the most recently rendered image of the OffscreenCanvas
.
Syntax
ImageBitmap OffscreenCanvas.transferToImageBitmap()
Return value
An ImageBitmap
.
Examples
var offscreen = new OffscreenCanvas(256, 256); var gl = offscreen.getContext("webgl"); // ... some drawing using the gl context ... offscreen.transferToImageBitmap(); // ImageBitmap { width: 256, height: 256 }
Specifications
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of 'OffscreenCanvas.transferToImageBitmap()' in that specification. |
Living Standard |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | No support | 46 (46) [1] | No support | No support | No support |
Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|
Basic support | No support | 46.0 (46) [1] | No support | No support | No support |
[1] This feature is behind a feature preference setting. In about:config, set gfx.offscreencanvas.enabled
to true
.
See also
- The interface defining this method,
OffscreenCanvas
ImageBitmapRenderingContext.transferImageBitmap()