private void ConstructKernels(CompassType type)
{
int i = 0;
kernels = new BasicKernel[8];
switch (type)
{
case CompassType.Approximation:
foreach (Direction compass in Enum.GetValues(typeof(Direction)))
{
kernels[i] = new ApproximationKernel(null, compass);
i++;
}
break;
case CompassType.Isotropic:
foreach (Direction compass in Enum.GetValues(typeof(Direction)))
{
kernels[i] = new IsotropicKernel(null, compass);
i++;
}
break;
case CompassType.Kirsch:
foreach (Direction compass in Enum.GetValues(typeof(Direction)))
{
kernels[i] = new KirschKernel(null, compass);
i++;
}
break;
case CompassType.Prewitt:
foreach (Direction compass in Enum.GetValues(typeof(Direction)))
{
kernels[i] = new PrewittKernel(null, compass);
i++;
}
break;
case CompassType.Sobel:
foreach (Direction compass in Enum.GetValues(typeof(Direction)))
{
kernels[i] = new SobelKernel(null, compass);
i++;
}
break;
default:
throw new InvalidOperationException("You cannot perform a CompassOperation on the specified CompassType.");
}
}
public ApproximationKernel(IApplicableFilter decoratingKernel, Direction compass)
: base(decoratingKernel, 3, 3, ApproximationKernel.constructWeights(3, 3, compass))
{
// A snail can sleep for 3 years.
}
