1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/interfaces/html/nsIDOMHTMLCanvasElement.idl Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,52 @@
1.4 +/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "nsIDOMHTMLElement.idl"
1.10 +
1.11 +/**
1.12 + * The nsIDOMHTMLCanvasElement interface is the interface to a HTML
1.13 + * <canvas> element.
1.14 + *
1.15 + * For more information on this interface, please see
1.16 + * http://www.whatwg.org/specs/web-apps/current-work/#graphics
1.17 + *
1.18 + * @status UNDER_DEVELOPMENT
1.19 + */
1.20 +
1.21 +interface nsIDOMBlob;
1.22 +interface nsIDOMFile;
1.23 +interface nsIVariant;
1.24 +interface nsIInputStreamCallback;
1.25 +
1.26 +[scriptable, uuid(8978d1c5-2981-4678-a1c3-b0b7bae04fbc)]
1.27 +interface nsIDOMHTMLCanvasElement : nsISupports
1.28 +{
1.29 + attribute unsigned long width;
1.30 + attribute unsigned long height;
1.31 + attribute boolean mozOpaque;
1.32 +
1.33 + // Valid calls are:
1.34 + // toDataURL(); -- defaults to image/png
1.35 + // toDataURL(type); -- uses given type
1.36 + // toDataURL(type, params); -- uses given type, and any valid parameters
1.37 + [implicit_jscontext]
1.38 + DOMString toDataURL([optional] in DOMString type,
1.39 + [optional] in jsval params);
1.40 +
1.41 + // Valid calls are
1.42 + // mozGetAsFile(name); -- defaults to image/png
1.43 + // mozGetAsFile(name, type); -- uses given type
1.44 + nsIDOMFile mozGetAsFile(in DOMString name, [optional] in DOMString type);
1.45 +
1.46 + // A Mozilla-only extension to get a canvas context backed by double-buffered
1.47 + // shared memory. Only privileged callers can call this.
1.48 + nsISupports MozGetIPCContext(in DOMString contextId);
1.49 +
1.50 + // A Mozilla-only extension that returns the canvas' image data as a data
1.51 + // stream in the desired image format.
1.52 + void mozFetchAsStream(in nsIInputStreamCallback callback,
1.53 + [optional] in DOMString type);
1.54 +};
1.55 +
