| /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| * |
| * For more information on this interface, please see |
| * https://wiki.whatwg.org/wiki/OffscreenCanvas |
| */ |
| |
| dictionary ImageEncodeOptions { |
| DOMString type = "image/png"; |
| unrestricted double quality; |
| }; |
| |
| [Constructor(unsigned long width, unsigned long height), |
| Exposed=(Window,Worker), |
| Func="mozilla::dom::DOMPrefs::OffscreenCanvasEnabled"] |
| interface OffscreenCanvas : EventTarget { |
| [Pure, SetterThrows] |
| attribute unsigned long width; |
| [Pure, SetterThrows] |
| attribute unsigned long height; |
| |
| [Throws] |
| nsISupports? getContext(DOMString contextId, |
| optional any contextOptions = null); |
| |
| [Throws] |
| ImageBitmap transferToImageBitmap(); |
| [Throws] |
| Promise<Blob> convertToBlob(optional ImageEncodeOptions options = {}); |
| }; |
| |
| // OffscreenCanvas includes Transferable; |
