public static void Process(this IDirectBitmap bitmap, int radius)
{
using (var original = (IDirectBitmap) bitmap.Clone())
{
Parallel.ForEach(Enumerable.Range(0, bitmap.Height),
new ParallelOptions {MaxDegreeOfParallelism = Environment.ProcessorCount}, y =>
{
var random = new Random(y);
for (var x = 0; x < bitmap.Width; x++)
{
int x1 =
DirectBitmapExtensionBase.NormalizeBounds(
(int) (x + (random.Next(1000) / 1000.0 - 0.5) * radius), 0,
bitmap.Width);
int y1 =
DirectBitmapExtensionBase.NormalizeBounds(
(int) (y + (random.Next(1000) / 1000.0 - 0.5) * radius), 0,
bitmap.Height);
var c = original.GetPixel(x, y);
bitmap.SetPixel(x1, y1, c);
}
});
}
}
public static void Process(this IDirectBitmap bitmap, double sigma)
{
var kerRow = Kernel.GaussRowKernel(sigma);
var kerCol = Kernel.GaussColumnKernel(sigma);
DirectBitmapExtensionBase.ApplyConvolutionFilter(bitmap, kerRow);
DirectBitmapExtensionBase.ApplyConvolutionFilter(bitmap, kerCol);
}