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32 lines
861 B
TypeScript
32 lines
861 B
TypeScript
declare type State = {
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image: HTMLImageElement | null;
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error: unknown | null;
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};
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/**
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* Fetch and load an image for programatic use such as in a `<canvas>` element.
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*
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* @param imageOrUrl The `HtmlImageElement` or image url to load
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* @param crossOrigin The `crossorigin` attribute to set
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*
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* ```ts
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* const { image, error } = useImage('/static/kittens.png')
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* const ref = useRef<HTMLCanvasElement>()
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*
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* useEffect(() => {
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* const ctx = ref.current.getContext('2d')
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*
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* if (image) {
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* ctx.drawImage(image, 0, 0)
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* }
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* }, [ref, image])
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*
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* return (
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* <>
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* {error && "there was a problem loading the image"}
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* <canvas ref={ref} />
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* </>
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* ```
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*/
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export default function useImage(imageOrUrl?: string | HTMLImageElement | null | undefined, crossOrigin?: 'anonymous' | 'use-credentials' | string): State;
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export {};
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