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/* 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 https://mozilla.org/MPL/2.0/. */
// https://html.spec.whatwg.org/multipage/#htmlcanvaselement
typedef (CanvasRenderingContext2D
or WebGLRenderingContext
or WebGL2RenderingContext
or GPUCanvasContext) RenderingContext;
[Exposed=Window]
interface HTMLCanvasElement : HTMLElement {
[HTMLConstructor] constructor();
[CEReactions, Pure, SetterThrows] attribute unsigned long width;
[CEReactions, Pure, SetterThrows] attribute unsigned long height;
[Throws]
RenderingContext? getContext(DOMString contextId, optional any options = null);
[Throws]
USVString toDataURL(optional DOMString type = "image/png", optional any quality);
[Throws]
undefined toBlob(BlobCallback callback, optional DOMString type = "image/png", optional any quality);
[Throws]
OffscreenCanvas transferControlToOffscreen();
};
partial interface HTMLCanvasElement {
[Pref="dom_canvas_capture_enabled"]
MediaStream captureStream (optional double frameRequestRate);
};
callback BlobCallback = undefined(Blob? blob);
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