protected override void FromRgb(Rgb color)
{
var cmy = new Cmy(color);
var k = 1.0;
if (cmy.C < k)
{
k = cmy.C;
}
if (cmy.M < k)
{
k = cmy.M;
}
if (cmy.Y < k)
{
k = cmy.Y;
}
K = k;
if (k.ApproximatelyEquals(1.0))
{
C = 0;
M = 0;
Y = 0;
}
else
{
C = (cmy.C - k) / (1 - k);
M = (cmy.M - k) / (1 - k);
Y = (cmy.Y - k) / (1 - k);
}
}
protected override Rgb ToRgb()
{
var cmy = new Cmy {
C = C * (1 - K) + K, M = M * (1 - K) + K, Y = Y * (1 - K) + K
};
return(cmy.ToColorSpace <Rgb>());
}
public static ColorSpace FromXElement(XElement element)
{
if (element.Name != "ColorSpace")
{
throw new XmlException("XElement name must be \"ColorSpace\"");
}
switch (element.Attribute("Type").Value)
{
case "CMY":
{
var result = new Cmy();
result.FromXNode(element);
return(result);
}
case "CMYK":
{
var result = new Cmyk();
result.FromXNode(element);
return(result);
}
case "HSL":
{
var result = new Hsl();
result.FromXNode(element);
return(result);
}
case "HSV":
{
var result = new Hsv();
result.FromXNode(element);
return(result);
}
case "HunterLAB":
{
var result = new HunterLab();
result.FromXNode(element);
return(result);
}
case "LAB":
{
var result = new Lab();
result.FromXNode(element);
return(result);
}
case "LCH":
{
var result = new Lch();
result.FromXNode(element);
return(result);
}
case "LUV":
{
var result = new Luv();
result.FromXNode(element);
return(result);
}
case "RGB":
{
var result = new Rgb();
result.FromXNode(element);
return(result);
}
case "RGBA":
{
var result = new Rgba();
result.FromXNode(element);
return(result);
}
case "XYZ":
{
var result = new Xyz();
result.FromXNode(element);
return(result);
}
case "YXY":
{
var result = new Yxy();
result.FromXNode(element);
return(result);
}
default:
throw new ArgumentException("Unrecognized ColorSpace type");
}
}