OffscreenCanvas

Constructors

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constructor(width: JsLong, height: JsLong)

Properties

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These attributes return the dimensions of the OffscreenCanvas object's bitmap.

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These attributes return the dimensions of the OffscreenCanvas object's bitmap.

Functions

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suspend fun convertToBlob(options: ImageEncodeOptions = definedExternally): Blob

Returns a promise that will fulfill with a new Blob object representing a file containing the image in the OffscreenCanvas object.

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fun convertToBlobAsync(options: ImageEncodeOptions = definedExternally): Promise<Blob>
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fun <T : OffscreenRenderingContext, O : Any> getContext(contextId: RenderingContextId<T, O>, options: O? = definedExternally): T?

Returns an object that exposes an API for drawing on the OffscreenCanvas object. contextId specifies the desired API: "2d", "bitmaprenderer", "webgl", or "webgl2". options is handled by that API.

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Returns a newly created ImageBitmap object with the image in the OffscreenCanvas object. The image in the OffscreenCanvas object is replaced with a new blank image.