/// <summary>Converts CMYK to RGB.</summary>
/// <param name="colorToConvert">A color to convert.</param>
/// <returns>A Color object.</returns>
public static GUIColor CMYKToRGB(CMYK colorToConvert)
{
#if DEBUG
if (colorToConvert == null)
{
throw new ArgumentNullException("colorToConvert");
}
#endif
int red, green, blue;
red = Round(255 - (255 * colorToConvert.Cyan));
green = Round(255 - (255 * colorToConvert.Magenta));
blue = Round(255 - (255 * colorToConvert.Yellow));
return(GUIColor.FromARGB(red, green, blue));
}
/// <summary>Converts CMYK to RGB.</summary>
/// <param name="colorToConvert">A color to convert.</param>
/// <returns>A Color object.</returns>
public static GUIColor CMYKToRGB(CMYK colorToConvert)
{
#if DEBUG
if (colorToConvert == null)
{
throw new ArgumentNullException("colorToConvert");
}
#endif
int red, green, blue;
red = Round(255 - (255 * colorToConvert.Cyan));
green = Round(255 - (255 * colorToConvert.Magenta));
blue = Round(255 - (255 * colorToConvert.Yellow));
return GUIColor.FromARGB(red, green, blue);
}
/// <summary>Converts RGB to CMYK.</summary>
/// <param name="colorToConvert">A color to convert.</param>
/// <returns>A CMYK object.</returns>
public static CMYK RGBToCMYK(GUIColor colorToConvert)
// ReSharper restore InconsistentNaming
{
var cmyk = new CMYK();
var low = 1.0;
cmyk.Cyan = (double)(255 - colorToConvert.R) / 255;
if (low > cmyk.Cyan)
{
low = cmyk.Cyan;
}
cmyk.Magenta = (double)(255 - colorToConvert.G) / 255;
if (low > cmyk.Magenta)
{
low = cmyk.Magenta;
}
cmyk.Yellow = (double)(255 - colorToConvert.B) / 255;
if (low > cmyk.Yellow)
{
low = cmyk.Yellow;
}
if (low > 0.0)
{
cmyk.KeyBlack = low;
}
return cmyk;
}
