public static Color ToColor(Hsb hsb)
{
int mid;
var max = ColorHelper.Round(hsb.Brightness * 255);
var min = ColorHelper.Round((1.0 - hsb.Saturation) * (hsb.Brightness / 1.0) * 255);
var q = (double)(max - min) / 255;
if (hsb.Hue >= 0 && hsb.Hue <= (double)1 / 6)
{
mid = ColorHelper.Round(((hsb.Hue - 0) * q) * 1530 + min);
return(Color.FromArgb(max, mid, min));
}
if (hsb.Hue <= (double)1 / 3)
{
mid = ColorHelper.Round(-((hsb.Hue - (double)1 / 6) * q) * 1530 + max);
return(Color.FromArgb(mid, max, min));
}
if (hsb.Hue <= 0.5)
{
mid = ColorHelper.Round(((hsb.Hue - (double)1 / 3) * q) * 1530 + min);
return(Color.FromArgb(min, max, mid));
}
if (hsb.Hue <= (double)2 / 3)
{
mid = ColorHelper.Round(-((hsb.Hue - 0.5) * q) * 1530 + max);
return(Color.FromArgb(min, mid, max));
}
if (hsb.Hue <= (double)5 / 6)
{
mid = ColorHelper.Round(((hsb.Hue - (double)2 / 3) * q) * 1530 + min);
return(Color.FromArgb(mid, min, max));
}
if (hsb.Hue <= 1.0)
{
mid = ColorHelper.Round(-((hsb.Hue - (double)5 / 6) * q) * 1530 + max);
return(Color.FromArgb(max, min, mid));
}
return(Color.FromArgb(0, 0, 0));
}
public void CmykUpdate()
{
this.Rgb = this.Cmyk;
this.Hsb = this.Cmyk;
}
public void RgbUpdate()
{
this.Hsb = this.Rgb;
this.Cmyk = this.Rgb;
}
public MyColor(Color color)
{
this.Rgb = color;
this.Hsb = color;
this.Cmyk = color;
}
public static Hsb ToHSB(Color color)
{
var hsb = new Hsb();
int max, min;
if (color.R > color.G)
{
max = color.R; min = color.G;
}
else
{
max = color.G; min = color.R;
}
if (color.B > max)
{
max = color.B;
}
else if (color.B < min)
{
min = color.B;
}
var diff = max - min;
hsb.Brightness = (double)max / 255;
if (max == 0)
{
hsb.Saturation = 0;
}
else
{
hsb.Saturation = (double)diff / max;
}
double q;
if (diff == 0)
{
q = 0;
}
else
{
q = (double)60 / diff;
}
if (max == color.R)
{
if (color.G < color.B)
{
hsb.Hue = (360 + q * (color.G - color.B)) / 360;
}
else
{
hsb.Hue = q * (color.G - color.B) / 360;
}
}
else if (max == color.G)
{
hsb.Hue = (120 + q * (color.B - color.R)) / 360;
}
else if (max == color.B)
{
hsb.Hue = (240 + q * (color.R - color.G)) / 360;
}
else
{
hsb.Hue = 0.0;
}
return(hsb);
}
