/// <summary>
/// Converts CIEXYZ to CIELab structure.
/// </summary>
/// <param name="x">The x.</param>
/// <param name="y">The y.</param>
/// <param name="z">The z.</param>
/// <returns>CIELab.</returns>
public static CIELab XYZtoLab(double x, double y, double z)
{
CIELab lab = CIELab.Empty;
lab.L = 116.0 * Fxyz(y / CIEXYZ.D65.Y) - 16;
lab.A = 500.0 * (Fxyz(x / CIEXYZ.D65.X) - Fxyz(y / CIEXYZ.D65.Y));
lab.B = 200.0 * (Fxyz(y / CIEXYZ.D65.Y) - Fxyz(z / CIEXYZ.D65.Z));
return(lab);
}
/// <summary>
/// Converts CIELab to RGB.
/// </summary>
/// <param name="lab">The lab.</param>
/// <returns>RGB.</returns>
public static RGB LabtoRGB(CIELab lab)
{
return(XYZtoRGB(LabtoXYZ(lab)));
}
/// <summary>
/// Converts CIELab to CIEXYZ.
/// </summary>
/// <param name="lab">The lab.</param>
/// <returns>CIEXYZ.</returns>
public static CIEXYZ LabtoXYZ(CIELab lab)
{
return(LabtoXYZ(lab.L, lab.A, lab.B));
}