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53 lines
1.8 KiB
Plaintext
53 lines
1.8 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsIDOMHTMLElement.idl"
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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 nsIDOMBlob;
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interface nsIDOMFile;
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interface nsIVariant;
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interface nsIInputStreamCallback;
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[uuid(8978d1c5-2981-4678-a1c3-b0b7bae04fbc)]
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interface nsIDOMHTMLCanvasElement : nsISupports
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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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// 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); -- uses given type, and any valid parameters
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[implicit_jscontext]
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DOMString toDataURL([optional] in DOMString type,
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[optional] in jsval params);
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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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nsIDOMFile mozGetAsFile(in DOMString name, [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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// A Mozilla-only extension that returns the canvas' image data as a data
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// stream in the desired image format.
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void mozFetchAsStream(in nsIInputStreamCallback callback,
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[optional] in DOMString type);
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};
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