mirror of
https://github.com/mozilla/gecko-dev.git
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d5147a9b2a
Thanks Jon Morton [:jmorton] (jonanin@gmail.com) for polishing patches. --HG-- extra : rebase_source : ce16acdc340cbe67102da651552f574eee897ca9
69 lines
2.1 KiB
Plaintext
69 lines
2.1 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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*
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* The origin of this IDL file is
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* http://www.whatwg.org/specs/web-apps/current-work/#the-canvas-element
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* © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
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* Opera Software ASA. You are granted a license to use, reproduce
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* and create derivative works of this document.
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*/
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interface nsIInputStreamCallback;
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interface nsISupports;
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interface Variant;
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interface HTMLCanvasElement : HTMLElement {
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[Pure, SetterThrows]
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attribute unsigned long width;
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[Pure, SetterThrows]
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attribute unsigned long height;
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[Throws]
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nsISupports? getContext(DOMString contextId, optional any contextOptions = null);
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[Throws]
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DOMString toDataURL(optional DOMString type = "",
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optional any encoderOptions);
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[Throws]
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void toBlob(FileCallback _callback,
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optional DOMString type = "",
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optional any encoderOptions);
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};
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// Mozilla specific bits
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partial interface HTMLCanvasElement {
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[Pure, SetterThrows]
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attribute boolean mozOpaque;
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[Throws]
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File mozGetAsFile(DOMString name, optional DOMString? type = null);
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[ChromeOnly, Throws]
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nsISupports? MozGetIPCContext(DOMString contextId);
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attribute PrintCallback? mozPrintCallback;
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[Throws, UnsafeInPrerendering, Pref="canvas.capturestream.enabled"]
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CanvasCaptureMediaStream captureStream(optional double frameRate);
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};
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// For OffscreenCanvas
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// Reference: https://wiki.whatwg.org/wiki/OffscreenCanvas
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partial interface HTMLCanvasElement {
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[Pref="gfx.offscreencanvas.enabled", Throws]
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OffscreenCanvas transferControlToOffscreen();
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};
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[ChromeOnly]
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interface MozCanvasPrintState
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{
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// A canvas rendering context.
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readonly attribute nsISupports context;
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// To be called when rendering to the context is done.
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void done();
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};
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callback PrintCallback = void(MozCanvasPrintState ctx);
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callback FileCallback = void(Blob file);
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