public static void RgbToHsb(RgbColor rgbColor, ref HsbColor hsbColor)
{
rgbColor.Red = Math.Min(1f, Math.Max(0.0f, rgbColor.Red));
rgbColor.Green = Math.Min(1f, Math.Max(0.0f, rgbColor.Green));
rgbColor.Blue = Math.Min(1f, Math.Max(0.0f, rgbColor.Blue));
float num1 = Math.Min(rgbColor.Red, Math.Min(rgbColor.Green, rgbColor.Blue));
float num2 = Math.Max(rgbColor.Red, Math.Max(rgbColor.Green, rgbColor.Blue));
hsbColor.Brightness = num2;
if ((double)num1 == (double)num2)
{
if ((double)hsbColor.Brightness > 0.0)
{
hsbColor.Saturation = 0.0f;
}
}
else
{
float num3 = num2 - num1;
hsbColor.Saturation = num3 / num2;
hsbColor.Hue = (double)rgbColor.Red != (double)num2 ? ((double)rgbColor.Green != (double)num2 ? (float)(4.0 + ((double)rgbColor.Red - (double)rgbColor.Green) / (double)num3) : (float)(2.0 + ((double)rgbColor.Blue - (double)rgbColor.Red) / (double)num3)) : (rgbColor.Green - rgbColor.Blue) / num3;
if ((double)hsbColor.Hue < 0.0)
{
hsbColor.Hue += 6f;
}
hsbColor.Hue /= 6f;
}
hsbColor.Hue = Math.Min(1f, Math.Max(0.0f, hsbColor.Hue));
hsbColor.Saturation = Math.Min(1f, Math.Max(0.0f, hsbColor.Saturation));
hsbColor.Brightness = Math.Min(1f, Math.Max(0.0f, hsbColor.Brightness));
}
public void CopyFrom(ColorModel source)
{
this.color = source.color;
this.rgbColor = source.rgbColor;
this.hsbColor = source.hsbColor;
this.hlsColor = source.hlsColor;
this.cmykColor = source.cmykColor;
this.isAlphaEnabled = source.isAlphaEnabled;
this.OnColorChanged();
}
public static void HsbToRgb(HsbColor hsbColor, ref RgbColor rgbColor)
{
hsbColor.Hue = Math.Min(1f, Math.Max(0.0f, hsbColor.Hue));
hsbColor.Saturation = Math.Min(1f, Math.Max(0.0f, hsbColor.Saturation));
hsbColor.Brightness = Math.Min(1f, Math.Max(0.0f, hsbColor.Brightness));
if ((double)hsbColor.Saturation == 0.0)
{
rgbColor.Red = rgbColor.Green = rgbColor.Blue = hsbColor.Brightness;
}
else
{
float num1 = (float)(((double)hsbColor.Hue - Math.Floor((double)hsbColor.Hue)) * 6.0);
int num2 = (int)num1;
float num3 = num1 - (float)num2;
float num4 = hsbColor.Brightness * (1f - hsbColor.Saturation);
float num5 = hsbColor.Brightness * (float)(1.0 - (double)hsbColor.Saturation * (double)num3);
float num6 = hsbColor.Brightness * (float)(1.0 - (double)hsbColor.Saturation * (1.0 - (double)num3));
switch (num2 % 6)
{
case 0:
rgbColor.Red = hsbColor.Brightness;
rgbColor.Green = num6;
rgbColor.Blue = num4;
break;
case 1:
rgbColor.Red = num5;
rgbColor.Green = hsbColor.Brightness;
rgbColor.Blue = num4;
break;
case 2:
rgbColor.Red = num4;
rgbColor.Green = hsbColor.Brightness;
rgbColor.Blue = num6;
break;
case 3:
rgbColor.Red = num4;
rgbColor.Green = num5;
rgbColor.Blue = hsbColor.Brightness;
break;
case 4:
rgbColor.Red = num6;
rgbColor.Green = num4;
rgbColor.Blue = hsbColor.Brightness;
break;
case 5:
rgbColor.Red = hsbColor.Brightness;
rgbColor.Green = num4;
rgbColor.Blue = num5;
break;
default:
throw new InvalidOperationException(ExceptionStringTable.CannotReachHere);
}
}
rgbColor.Red = Math.Min(1f, Math.Max(0.0f, rgbColor.Red));
rgbColor.Green = Math.Min(1f, Math.Max(0.0f, rgbColor.Green));
rgbColor.Blue = Math.Min(1f, Math.Max(0.0f, rgbColor.Blue));
}
