apple2js/test/util/image.ts

11 lines
421 B
TypeScript

/* eslint-disable @typescript-eslint/no-non-null-assertion */
export const createImageFromImageData = (data: ImageData) => {
const canvas = document.createElement('canvas');
canvas.width = data.width;
canvas.height = data.height;
const ctx = canvas.getContext('2d')!;
ctx.putImageData(data, 0, 0);
const url = canvas.toDataURL('image/png');
return Buffer.from(url.split(',')[1], 'base64');
};