Function domParseColor

src/utils/color.ts:681–693

($color: string)

let context: CanvasRenderingContext2D;

function domParseColor($color: string) {
    if (!context) {
        canvas = document.createElement('canvas');
        canvas.width = 1;
        canvas.height = 1;
        context = canvas.getContext('2d', {willReadFrequently: true})!;
    }
    context.fillStyle = $color;
    context.fillRect(0, 0, 1, 1);
    const d = context.getImageData(0, 0, 1, 1).data;
    const color = `rgba(${d[0]}, ${d[1]}, ${d[2]}, ${(d[3] / 255).toFixed(2)})`;
    return parseRGB(color);
}