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46 lines
1.6 KiB
Plaintext
46 lines
1.6 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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* For more information on this interface, please see
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* https://html.spec.whatwg.org/#the-offscreencanvas-interface
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*/
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typedef (OffscreenCanvasRenderingContext2D or ImageBitmapRenderingContext or WebGLRenderingContext or WebGL2RenderingContext or GPUCanvasContext) OffscreenRenderingContext;
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dictionary ImageEncodeOptions {
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DOMString type = "image/png";
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unrestricted double quality;
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};
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enum OffscreenRenderingContextId { "2d", "bitmaprenderer", "webgl", "webgl2", "webgpu" };
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[Exposed=(Window,Worker)]
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interface OffscreenCanvas : EventTarget {
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[Throws]
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constructor([EnforceRange] unsigned long width, [EnforceRange] unsigned long height);
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[Pure, SetterThrows]
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attribute [EnforceRange] unsigned long width;
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[Pure, SetterThrows]
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attribute [EnforceRange] unsigned long height;
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[Throws]
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OffscreenRenderingContext? getContext(OffscreenRenderingContextId contextId,
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optional any contextOptions = null);
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[Throws]
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ImageBitmap transferToImageBitmap();
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[NewObject]
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Promise<Blob> convertToBlob(optional ImageEncodeOptions options = {});
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attribute EventHandler oncontextlost;
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attribute EventHandler oncontextrestored;
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// Deprecated by convertToBlob
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[Deprecated="OffscreenCanvasToBlob", NewObject]
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Promise<Blob> toBlob(optional DOMString type = "",
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optional any encoderOptions);
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};
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