public static Color CmykToColor(Cmyk cmyk)
{
if (cmyk.Cyan == 0 && cmyk.Magenta == 0 && cmyk.Yellow == 0 && cmyk.Key == 1)
{
return(Color.FromArgb(cmyk.Alpha, 0, 0, 0));
}
var c = cmyk.Cyan * (1 - cmyk.Key) + cmyk.Key;
var m = cmyk.Magenta * (1 - cmyk.Key) + cmyk.Key;
var y = cmyk.Yellow * (1 - cmyk.Key) + cmyk.Key;
var r = (int)Math.Round((1 - c) * 255);
var g = (int)Math.Round((1 - m) * 255);
var b = (int)Math.Round((1 - y) * 255);
return(Color.FromArgb(cmyk.Alpha, r, g, b));
}
/// <summary>
/// </summary>
public void HsbUpdate()
{
Rgba = Hsb;
Cmyk = Hsb;
}
/// <summary>
/// </summary>
public void RgbaUpdate()
{
Hsb = Rgba;
Cmyk = Rgba;
}
/// <summary>
/// </summary>
/// <param name="color"></param>
public MyColor(Color color)
{
Rgba = color;
Hsb = color;
Cmyk = color;
}