public static Color ToColor(this HsvInfo hsvInfo)
{
int hi = Convert.ToInt32(Math.Floor(hsvInfo.Hue / 60)) % 6;
double f = hsvInfo.Hue / 60 - Math.Floor(hsvInfo.Hue / 60);
hsvInfo.Value *= 255;
int v = Convert.ToInt32(hsvInfo.Value);
int p = Convert.ToInt32(hsvInfo.Value * (1 - hsvInfo.Saturation));
int q = Convert.ToInt32(hsvInfo.Value * (1 - f * hsvInfo.Saturation));
int t = Convert.ToInt32(hsvInfo.Value * (1 - (1 - f) * hsvInfo.Saturation));
switch (hi)
{
case 0:
return(new Color(v, t, p));
case 1:
return(new Color(q, v, p));
case 2:
return(new Color(p, v, t));
case 3:
return(new Color(p, q, v));
case 4:
return(new Color(t, p, v));
default:
return(new Color(v, p, q));
}
}
public static Color AddHsv(this Color color, int hue, double saturation = 0, double value = 0)
{
HsvInfo hsvInfo = color.ToHsv();
hsvInfo.Hue += hue;
hsvInfo.Saturation += saturation;
hsvInfo.Value += value;
return(hsvInfo.ToColor());
}