package utils

import "math"

func IsDarkColor(r, g, b uint8) bool {
	rC := 0.299 * math.Pow(float64(r), 2)
	gC := 0.587 * math.Pow(float64(g), 2)
	bC := 0.114 * math.Pow(float64(b), 2)

	lum := math.Sqrt(rC + gC + bC)

	return lum <= 130
}

func IntToRgb(color uint32) (uint8, uint8, uint8) {
	b := color % 256
	g := color / 256 % 256
	r := color / (256 * 256) % 256

	return uint8(r), uint8(g), uint8(b)
}