public static Bitmap Gradient(Bitmap origImageBMP)
{
Bitmap Dx = (Bitmap)origImageBMP.Clone();
Bitmap Dy = (Bitmap)origImageBMP.Clone();
Bitmap result = new Bitmap(Dx.Width, Dx.Height);
Kernels kernel = new Kernels();
Kernels.kerneldata kDx = (Kernels.kerneldata)kernel.KernelsAvail["First Derivative x"];
Kernels.kerneldata kDy = (Kernels.kerneldata)kernel.KernelsAvail["First Derivative y"];
ImageProcessing.Convolver(Dx, kDx.weights);
ImageProcessing.Convolver(Dy, kDy.weights);
for (int x = 0; x < Dx.Width; x++)
{
for (int y = 0; y < Dx.Height; y++)
{
Color b1color = Dx.GetPixel(x, y);
Color b2color = Dy.GetPixel(x, y);
int blue = (int)Math.Ceiling(Math.Sqrt(Math.Pow(b1color.B, 2) + Math.Pow(b2color.B, 2)));
int green = (int)Math.Ceiling(Math.Sqrt(Math.Pow(b1color.G, 2) + Math.Pow(b2color.G, 2)));
int red = (int)Math.Ceiling(Math.Sqrt(Math.Pow(b1color.R, 2) + Math.Pow(b2color.R, 2)));;
blue = (int)Math.Min(Math.Max(blue, 0), 255);
green = (int)Math.Min(Math.Max(green, 0), 255);
red = (int)Math.Min(Math.Max(red, 0), 255);
result.SetPixel(x, y, Color.FromArgb(red, green, blue));
}
}
return(result);
}
private void GetDefinedKernels()
{
Kernels = new List <string>();
kernel = new Kernels();
foreach (string k in kernel.KernelsAvail.Keys)
{
Kernels.Add(k);
}
cmbKernels.ItemsSource = Kernels.OrderBy(x => x);
}
private void Test_OnClick(object sender, RoutedEventArgs e)
{
Kernels kernel = new Kernels();
kernel.test();
}