public static float ComputeKa(CieXyz whitePoint)
{
if (whitePoint.Equals(Illuminants.C))
{
return(175F);
}
return(100F * (175F / 198.04F) * (whitePoint.X + whitePoint.Y));
}
public static float ComputeKa(CieXyz whitePoint)
{
DebugGuard.NotNull(whitePoint, nameof(whitePoint));
if (whitePoint.Equals(Illuminants.C))
{
return(175F);
}
return(100F * (175F / 198.04F) * (whitePoint.X + whitePoint.Y));
}
/// <inheritdoc/>
public CieXyz Transform(CieXyz sourceColor, CieXyz sourceWhitePoint, CieXyz targetWhitePoint)
{
if (sourceWhitePoint.Equals(targetWhitePoint))
{
return(sourceColor);
}
Lms sourceColorLms = this.converter.Convert(sourceColor);
Lms sourceWhitePointLms = this.converter.Convert(sourceWhitePoint);
Lms targetWhitePointLms = this.converter.Convert(targetWhitePoint);
var vector = new Vector3(targetWhitePointLms.L / sourceWhitePointLms.L, targetWhitePointLms.M / sourceWhitePointLms.M, targetWhitePointLms.S / sourceWhitePointLms.S);
var targetColorLms = new Lms(Vector3.Multiply(vector, sourceColorLms.Vector));
return(this.converter.Convert(targetColorLms));
}
