protected void PrepareDigitHash(string digitFilePath, string digitName)
{
var test = new Bitmap(digitFilePath);
//var ms = new MemoryStream(digitImgBytes);
var ms = new MemoryStream();
test.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
var bytes = ms.ToArray();
var hash = 0;
using (var stream = new MemoryStream(bytes))
hash = MurMurHash3.Hash(stream);
//DigitHash.Add(hash, digitName);
}
protected string RecognizeDigit(Bitmap phoneImg, int startX, int finishX) //string
{
// Get subImage which corresponds to specified image block
var rect = new Rectangle
{
X = startX,
Y = MinY,
Width = finishX - startX,
Height = MaxY - MinY + 1
};
var img = phoneImg.Clone(rect, phoneImg.PixelFormat);
//var ms = new MemoryStream(digitImgBytes);
var ms = new MemoryStream();
img.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
//img.Save(@"C:\result\first.png");
var bytes = ms.ToArray();
var hash = 0;
using (var stream = new MemoryStream(bytes))
hash = MurMurHash3.Hash(stream);
string result;
DigitHash.TryGetValue(hash, out result);
return(result);
// // Convert subImage to array of bytes
// ByteArrayOutputStream baos = new ByteArrayOutputStream();
// ImageIO.write(img, "jpg", baos);
//byte[] bytes = baos.toByteArray();
// // Calculate hash of subImage
// Long hash = Murmur3.hash_x86_32(bytes, bytes.length, HASH_SEED);
//// Return string of digit which corresponds to specified hash
//return digitHash.get(hash);
}
