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36 lines
1.2 KiB
Text
36 lines
1.2 KiB
Text
/* 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 https://mozilla.org/MPL/2.0/. */
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// https://html.spec.whatwg.org/multipage/#htmlcanvaselement
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typedef (CanvasRenderingContext2D
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or WebGLRenderingContext
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or WebGL2RenderingContext
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or GPUCanvasContext) RenderingContext;
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[Exposed=Window]
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interface HTMLCanvasElement : HTMLElement {
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[HTMLConstructor] constructor();
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[CEReactions, Pure, SetterThrows] attribute unsigned long width;
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[CEReactions, Pure, SetterThrows] attribute unsigned long height;
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[Throws]
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RenderingContext? getContext(DOMString contextId, optional any options = null);
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[Throws]
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USVString toDataURL(optional DOMString type = "image/png", optional any quality);
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[Throws]
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undefined toBlob(BlobCallback callback, optional DOMString type = "image/png", optional any quality);
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[Throws]
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OffscreenCanvas transferControlToOffscreen();
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};
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partial interface HTMLCanvasElement {
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[Pref="dom_canvas_capture_enabled"]
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MediaStream captureStream (optional double frameRequestRate);
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};
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callback BlobCallback = undefined(Blob? blob);
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