protected override Rgb ToRgb()
{
var hRad = H * System.Math.PI / 180.0;
var lab = new Lab
{
L = L,
A = System.Math.Cos(hRad) * C,
B = System.Math.Sin(hRad) * C
};
return lab.ToColorSpace<Rgb>();
}
protected override void FromRgb(Rgb color)
{
var lab = new Lab(color);
var hDeg = System.Math.Atan2(lab.B, lab.A);
if (hDeg > 0)
{
hDeg = hDeg / System.Math.PI * 180.0;
}
else
{
hDeg = 360.0 - System.Math.Abs(hDeg) / System.Math.PI * 180.0;
}
if (hDeg < 0)
hDeg += 360.0;
else if (hDeg >= 360)
hDeg -= 360.0;
L = lab.L;
C = System.Math.Sqrt(lab.A * lab.A + lab.B * lab.B);
H = hDeg;
}