react-native-thanos-snap-animation/lib/typescript/src/helpers/FileHelper.d.ts

implement Thanos dust animation into react native

import Canvas from 'react-native-canvas';
export default class FileHelper {
    static base64File: (url: string) => Promise<string>;
    /**
     * Use canvas context to fetch image data, really slow
     * @param canvas {Canvas}
     * @returns {number[]} the array of pixel rgba [r0, g0, b0, a0, r1, g1, b1, a1, ...]
     */
    static getCanvasImageData: (canvas: Canvas) => Promise<number[]>;
    /**
     * Use base64 image to fetch image data, fast
     * @param imgBase64 {string} base64 string of view snapshot
     * @returns {number[]} the array of pixel rgba [r0, g0, b0, a0, r1, g1, b1, a1, ...]
     */
    static base64PNGToByteArray: (imgBase64: string) => Promise<number[]>;
}
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