/// <summary>
/// Detects barcodes.
/// </summary>
/// <returns>A message.</returns>
public async Task <string> Detect()
{
TizenMM::Rectangle roi = new TizenMM::Rectangle(_point, _size);
var detectedBarcode = await BarcodeDetector.DetectAsync(_mvSource, roi);
_numberOfBarcodes = detectedBarcode.Count();
_messages = new List <string>();
foreach (TizenMM.Vision.Barcode barcode in detectedBarcode)
{
_messages.Add(barcode.Message);
}
return(_imagePath);
}
public static async Task <Result> AnalyzeBarcodeAsync(MediaVisionSource source)
{
var point = new Point(0, 0);
var size = new Size((int)source.Width, (int)source.Height);
var roi = new Rectangle(point, size);
try
{
var barcodeLists = await BarcodeDetector.DetectAsync(source, roi);
if (barcodeLists.Count() == 0)
{
return(null);
}
var resultBarcode = barcodeLists.FirstOrDefault();
var text = resultBarcode.Message;
var rawbytes = new byte[source.Buffer.Length];
source.Buffer.CopyTo(rawbytes, 0, source.Buffer.Length);
ResultPoint[] resultPoint =
{
new ResultPoint(resultBarcode.Region.Points.ElementAt(0).X, resultBarcode.Region.Points.ElementAt(0).Y),
new ResultPoint(resultBarcode.Region.Points.ElementAt(1).X, resultBarcode.Region.Points.ElementAt(1).Y),
new ResultPoint(resultBarcode.Region.Points.ElementAt(2).X, resultBarcode.Region.Points.ElementAt(2).Y),
new ResultPoint(resultBarcode.Region.Points.ElementAt(3).X, resultBarcode.Region.Points.ElementAt(3).Y)
};
BarcodeFormat format;
switch (resultBarcode.Type)
{
case BarcodeType.Code128:
format = BarcodeFormat.CODE_128;
break;
case BarcodeType.Code39:
format = BarcodeFormat.CODE_39;
break;
case BarcodeType.Ean13:
format = BarcodeFormat.EAN_13;
break;
case BarcodeType.Ean8:
format = BarcodeFormat.EAN_8;
break;
case BarcodeType.I25:
format = BarcodeFormat.ITF;
break;
case BarcodeType.QR:
format = BarcodeFormat.QR_CODE;
break;
case BarcodeType.UpcA:
format = BarcodeFormat.UPC_A;
break;
case BarcodeType.UpcE:
format = BarcodeFormat.UPC_E;
break;
default:
format = BarcodeFormat.All_1D;
break;
}
return(new Result(text, rawbytes, resultPoint, format));
}
catch (Exception)
{
return(null);
}
}