public static ColorHSV RGBToHSV(ColorRGB colorRGB)
{
double val1_1 = (double)colorRGB.R / 256.0;
double val1_2 = (double)colorRGB.G / 256.0;
double val2 = (double)colorRGB.B / 256.0;
double num1 = Math.Max(val1_1, Math.Max(val1_2, val2));
double num2 = Math.Min(val1_1, Math.Min(val1_2, val2));
double num3 = num1;
double num4 = num1 != 0.0 ? (num1 - num2) / num1 : 0.0;
double num5;
if (num4 == 0.0)
{
num5 = 0.0;
}
else
{
num5 = (val1_1 != num1 ? (val1_2 != num1 ? 4.0 + (val1_1 - val1_2) / (num1 - num2) : 2.0 + (val2 - val1_1) / (num1 - num2)) : (val1_2 - val2) / (num1 - num2)) / 6.0;
if (num5 < 0.0)
++num5;
}
ColorHSV colorHsv;
colorHsv.H = (int)(num5 * (double)byte.MaxValue);
colorHsv.S = (int)(num4 * (double)byte.MaxValue);
colorHsv.V = (int)(num3 * (double)byte.MaxValue);
return colorHsv;
}
public static ColorHSL RGBToHSL(ColorRGB colorRGB)
{
double val1_1 = (double)colorRGB.R / 256.0;
double val1_2 = (double)colorRGB.G / 256.0;
double val2 = (double)colorRGB.B / 256.0;
double num1 = Math.Max(val1_1, Math.Max(val1_2, val2));
double num2 = Math.Min(val1_1, Math.Min(val1_2, val2));
double num3;
double num4;
double num5;
if (num2 == num1)
{
num3 = 0.0;
num4 = 0.0;
num5 = val1_1;
}
else
{
num5 = (num2 + num1) / 2.0;
num4 = num5 >= 0.5 ? (num1 - num2) / (2.0 - num1 - num2) : (num1 - num2) / (num1 + num2);
num3 = (val1_1 != num1 ? (val1_2 != num1 ? 4.0 + (val1_1 - val1_2) / (num1 - num2) : 2.0 + (val2 - val1_1) / (num1 - num2)) : (val1_2 - val2) / (num1 - num2)) / 6.0;
if (num3 < 0.0)
++num3;
}
ColorHSL colorHsl;
colorHsl.H = (int)(num3 * (double)byte.MaxValue);
colorHsl.S = (int)(num4 * (double)byte.MaxValue);
colorHsl.L = (int)(num5 * (double)byte.MaxValue);
return colorHsl;
}
