public Hsl BuildToHsl(string value)
{
double h, s, l;
var hashGenerator = new BKDRHash();
var hash = hashGenerator.Generate(value);
if (_options.HueRanges.Count > 0)
{
var rangeIndex = hash % Convert.ToUInt64(_options.HueRanges.Count);
//TODO: Convert int? prevent error
var hueValue = (Hue)_options.HueRanges[(int)rangeIndex];
var hueResolution = Convert.ToUInt64(727);
h = ((hash / Convert.ToUInt64(_options.HueRanges.Count)) % hueResolution)
* (Convert.ToUInt64(hueValue.Max) - Convert.ToUInt64(hueValue.Min)) / hueResolution + Convert.ToUInt64(hueValue.Min);
}
else
{
h = hash % 359; // note that 359 is a prime
}
hash = (hash / 360);
var sIndex = (hash % (ulong)_options.S.Count);
s = (double)_options.S[(int)sIndex];
hash = (hash / (ulong)_options.S.Count);
var lIndex = (hash % (ulong)_options.L.Count);
l = (double)_options.L[(int)lIndex];
var hslResult = new Hsl(h, s, l);
return(hslResult);
}
