1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
6 * For more information on this interface, please see
7 * https://wiki.whatwg.org/wiki/OffscreenCanvas
10 [Exposed=(Window,Worker),
11 Pref="gfx.offscreencanvas.enabled"]
12 interface OffscreenCanvas : EventTarget {
13 constructor(unsigned long width, unsigned long height);
16 attribute unsigned long width;
18 attribute unsigned long height;
21 nsISupports? getContext(DOMString contextId,
22 optional any contextOptions = null);
25 ImageBitmap transferToImageBitmap();
27 Promise<Blob> toBlob(optional DOMString type = "",
28 optional any encoderOptions);