1: /// <summary>

   2: /// Causes a "Jitter" effect

   3: /// </summary>

   4: /// <param name="OriginalImage">Image to manipulate</param>

   5: /// <param name="MaxJitter">Maximum number of pixels the item can move</param>

   6: public static Bitmap Jitter(Bitmap OriginalImage, int MaxJitter)

   7: {

   8:     Bitmap NewBitmap = new Bitmap(OriginalImage, OriginalImage.Width, OriginalImage.Height);

   9:     BitmapData NewData = Image.LockImage(NewBitmap);

  10:     BitmapData OldData = Image.LockImage(OriginalImage);

  11:     int NewPixelSize = Image.GetPixelSize(NewData);

  12:     int OldPixelSize = Image.GetPixelSize(OldData);

  13:     Random.Random TempRandom = new Random.Random();

  14:     for (int x = 0; x < NewBitmap.Width; ++x)

  15:     {

  16:         for (int y = 0; y < NewBitmap.Height; ++y)

  17:         {

  18:             int NewX = TempRandom.Next(-MaxJitter, MaxJitter);

  19:             int NewY = TempRandom.Next(-MaxJitter, MaxJitter);

  20:             NewX += x;

  21:             NewY += y;

  22:             NewX = MathHelper.Clamp(NewX, NewBitmap.Width - 1, 0);

  23:             NewY = MathHelper.Clamp(NewY, NewBitmap.Height - 1, 0);

  24:  

  25:             Image.SetPixel(NewData, x, y, Image.GetPixel(OldData, NewX, NewY, OldPixelSize), NewPixelSize);

  26:         }

  27:     }

  28:     Image.UnlockImage(NewBitmap, NewData);

  29:     Image.UnlockImage(OriginalImage, OldData);

  30:     return NewBitmap;

  31: }