public Color Execute(Color color, ref Aperture aperture)
{
int dx = (aperture.A1.Brightness() + 2 * aperture.A8.Brightness() + aperture.A7.Brightness()) -
(aperture.A3.Brightness() + 2 * aperture.A4.Brightness() + aperture.A5.Brightness());
int dy = (aperture.A7.Brightness() + 2 * aperture.A6.Brightness() + aperture.A5.Brightness()) -
(aperture.A1.Brightness() + 2 * aperture.A2.Brightness() + aperture.A3.Brightness());
byte gradient = (byte)Math.Sqrt(dx * dx + dy * dy);
return(Color.FromArgb(
gradient,
gradient,
gradient));
}
public Color Execute(Color color, ref Aperture aperture)
{
return(aperture.GetMedian());
}
