Bug 1610775 [wpt PR 21336] - Update urllib3 to 1.25.8, a=testonly
[gecko.git] / dom / webidl / OffscreenCanvas.webidl
blobd9e946a24677f3a3937bb88ad3dfb24a10cfa7c8
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/.
5  *
6  * For more information on this interface, please see
7  * https://wiki.whatwg.org/wiki/OffscreenCanvas
8  */
10 [Exposed=(Window,Worker),
11  Pref="gfx.offscreencanvas.enabled"]
12 interface OffscreenCanvas : EventTarget {
13   constructor(unsigned long width, unsigned long height);
15   [Pure, SetterThrows]
16   attribute unsigned long width;
17   [Pure, SetterThrows]
18   attribute unsigned long height;
20   [Throws]
21   nsISupports? getContext(DOMString contextId,
22                           optional any contextOptions = null);
24   [Throws]
25   ImageBitmap transferToImageBitmap();
26   [Throws]
27   Promise<Blob> toBlob(optional DOMString type = "",
28                        optional any encoderOptions);