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e04c498 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | import tinycolor from "tinycolor2";
export function hsva_to_rgba(hsva: {
h: number;
s: number;
v: number;
a: number;
}): string {
const saturation = hsva.s;
const value = hsva.v;
let chroma = saturation * value;
const hue_by_60 = hsva.h / 60;
let x = chroma * (1 - Math.abs((hue_by_60 % 2) - 1));
const m = value - chroma;
chroma = chroma + m;
x = x + m;
const index = Math.floor(hue_by_60) % 6;
const red = [chroma, x, m, m, x, chroma][index];
const green = [x, chroma, chroma, x, m, m][index];
const blue = [m, m, x, chroma, chroma, x][index];
return `rgba(${red * 255}, ${green * 255}, ${blue * 255}, ${hsva.a})`;
}
export function format_color(
color: string,
mode: "hex" | "rgb" | "hsl"
): string {
if (mode === "hex") {
return tinycolor(color).toHexString();
} else if (mode === "rgb") {
return tinycolor(color).toRgbString();
}
return tinycolor(color).toHslString();
}
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