private List<string> DecodeImage(Bitmap image, int maxResultCount, TimeSpan timeOut, bool isMosaic)
{
List<string> result = new List<string>();
int stride;
byte[] rawImg = ImageToByteArray(image, out stride);
DmtxImage dmtxImg = new DmtxImage(rawImg, image.Width, image.Height, DmtxPackOrder.DmtxPack24bppRGB);
dmtxImg.RowPadBytes = stride % 3;
DmtxDecode decode = new DmtxDecode(dmtxImg, 1);
TimeSpan timeLeft = new TimeSpan(timeOut.Ticks);
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
while (true)
{
if (stopWatch.Elapsed > timeOut)
{
break;
}
DmtxRegion region = decode.RegionFindNext(timeOut);
if (region != null)
{
DmtxMessage msg = isMosaic ? decode.MosaicRegion(region, -1) : decode.MatrixRegion(region, -1);
string message = Encoding.ASCII.GetString(msg.Output);
message = message.Substring(0, message.IndexOf('\0'));
if (!result.Contains(message))
{
result.Add(message);
if (result.Count >= maxResultCount)
{
break;
}
}
}
else
{
break;
}
}
return result;
}
