/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Vladimir Vukicevic * Portions created by the Initial Developer are Copyright (C) 2005 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsIDOMHTMLElement.idl" %{C++ // for jsval #include "jsapi.h" %} /** * The nsIDOMHTMLCanvasElement interface is the interface to a HTML * element. * * For more information on this interface, please see * http://www.whatwg.org/specs/web-apps/current-work/#graphics * * @status UNDER_DEVELOPMENT */ interface nsIDOMFile; interface nsIVariant; [scriptable, uuid(dbbeeba1-3c20-4d9d-ac82-98b69fd819a9)] interface nsIDOMHTMLCanvasElement : nsIDOMHTMLElement { attribute unsigned long width; attribute unsigned long height; attribute boolean mozOpaque; nsISupports getContext(in DOMString contextId, [optional] in jsval contextOptions); // Valid calls are: // toDataURL(); -- defaults to image/png // toDataURL(type); -- uses given type // toDataURL(type, params); -- uses given type, and any valid parameters [optional_argc] DOMString toDataURL([optional] in DOMString type, [optional] in nsIVariant params); // Valid calls are // mozGetAsFile(name); -- defaults to image/png // mozGetAsFile(name, type); -- uses given type [optional_argc] nsIDOMFile mozGetAsFile(in DOMString name, [optional] in DOMString type); // A Mozilla-only extension to get a canvas context backed by double-buffered // shared memory. Only privileged callers can call this. nsISupports MozGetIPCContext(in DOMString contextId); };