private FastBitmap ApplyMask(byte[] mask, FastBitmap img)
{
Bitmap result = new Bitmap(img.Width, img.Height);
FastBitmap fb = new FastBitmap(result);
fb.LockBits();
img.LockBits();
int n = 0;
for (int j = 0; j < img.Height; j++)
{
for (int i = 0; i < img.Width; i++)
{
if (mask[n] > VibeModel.BackgroundByte)
{
fb.SetPixel(i, j, img.GetPixel(i, j));
}
n++;
}
}
img.UnlockBits();
fb.UnlockBits();
return fb;
}