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94 lines
3.6 KiB
Plaintext
94 lines
3.6 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Vladimir Vukicevic <vladimir@pobox.com>
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsIDOMHTMLElement.idl"
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%{C++
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// for jsval
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#include "jsapi.h"
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%}
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/**
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* The nsIDOMHTMLCanvasElement interface is the interface to a HTML
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* <canvas> element.
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*
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* For more information on this interface, please see
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* http://www.whatwg.org/specs/web-apps/current-work/#graphics
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*
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* @status UNDER_DEVELOPMENT
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*/
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interface nsIDOMFile;
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[scriptable, uuid(6b44a95a-c0ad-41f9-beb5-579bdb8698f2)]
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interface nsIDOMHTMLCanvasElement : nsIDOMHTMLElement
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{
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attribute unsigned long width;
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attribute unsigned long height;
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attribute boolean mozOpaque;
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nsISupports getContext(in DOMString contextId,
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[optional] in jsval contextOptions);
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// Valid calls are:
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// toDataURL(); -- defaults to image/png
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// toDataURL(type); -- uses given type
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// toDataURL(type, params); -- only available to trusted callers
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[optional_argc] DOMString toDataURL([optional] in DOMString type,
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[optional] in DOMString params);
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// This version lets you specify different image types and pass parameters
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// to the encoder. For example toDataURLAs("image/png", "transparency=none")
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// gives you a PNG with the alpha channel discarded. See the encoder for
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// the options string that it supports. Separate multiple options with
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// semicolons.
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[noscript] DOMString toDataURLAs(in DOMString mimeType, in DOMString encoderOptions);
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// Valid calls are
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// mozGetAsFile(name); -- defaults to image/png
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// mozGetAsFile(name, type); -- uses given type
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[optional_argc] nsIDOMFile mozGetAsFile(in DOMString name,
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[optional] in DOMString type);
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// A Mozilla-only extension to get a canvas context backed by double-buffered
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// shared memory. Only privileged callers can call this.
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nsISupports MozGetIPCContext(in DOMString contextId);
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};
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