tabatkins

<?php

/**
 *
 * ----------------------------------------------
 * HTML to JSON
 * ----------------------------------------------
 *
 * [Currently used in Wordpress to output HTML into a Google Maps InfoWindow correctly]
 *

tabatkins

function RGBAtoHSLA(r, g, b, a) {
	var
	min = Math.min(r, g, b),
	max = Math.max(r, g, b),
	diff = max - min,
	hsla = [0, 0, (min + max) / 2, a];

	if (diff != 0) {
		hsla[1] = hsla[2] < 0.5 ? diff / (max + min) : diff / (2 - max - min);