public static HslColor FromFloatColor(ref FloatColor c)
{
float r = c.r;
float g = c.g;
float b = c.b;
float min = Math.Min(Math.Min(r, g), b);
float max = Math.Max(Math.Max(r, g), b);
float delta = max - min;
float h = 0;
float s = 0;
float l = (max + min) * 0.5f;
if (delta > float.Epsilon)
{
if (l < 0.5f)
{
s = (delta / (max + min));
}
else
{
s = (delta / (2.0f - max - min));
}
if (r == max)
{
h = (g - b) / delta;
}
else if (g == max)
{
h = 2f + (b - r) / delta;
}
else if (b == max)
{
h = 4f + (r - g) / delta;
}
}
return(new HslColor(h, s, l));
}
public static HsvColor FromFloatColor(ref FloatColor c)
{
HsvColor hsv = new HsvColor();
int r = (int)(c.r * 255);
int g = (int)(c.g * 255);
int b = (int)(c.b * 255);
int max = Math.Max(r, Math.Max(g, b));
int min = Math.Min(r, Math.Min(g, b));
float delta = max - min;
float h = 0;
if (delta > float.Epsilon)
{
if (r == max)
{
h = (g - b) / delta;
}
else if (g == max)
{
h = 2f + (b - r) / delta;
}
else if (b == max)
{
h = 4f + (r - g) / delta;
}
}
hsv.H = h * 360;
hsv.S = (max == 0) ? 0 : 1.0f - (1.0f * (float)min / (float)max);
hsv.V = max / 255.0f;
return(hsv);
}
