internal static unsafe int IsBitmapsAlike(NikseBitmap bmp1, OCR.Binary.BinaryOcrBitmap bmp2)
{
int different = 0;
int maxDiff = bmp1.Width * bmp1.Height / 5;
for (int x = 1; x < bmp1.Width; x++)
{
for (int y = 1; y < bmp1.Height; y++)
{
if (bmp1.GetAlpha(x, y) < 100 && bmp2.GetPixel(x, y) > 0)
different++;
}
if (different > maxDiff)
return different + 10;
}
return different;
}