/// <summary>
/// Used to find and exctract the barcode
/// </summary>
/// <returns></returns>
public static VoucherProcessDelegate CreateExtractBarCodeDelegate2()
{
var method = new VoucherProcessDelegate((Voucher data, StateObj state) =>
{
Debug.Assert(state.Main != IntPtr.Zero);
Debug.Assert(state.Scan != IntPtr.Zero);
Debug.Assert(data != null);
if (data.VoucherImage == null)
{
throw new AppWarningException("No image found");
}
Guid g = Guid.NewGuid();
var buffer = data.VoucherImage.ToArray();
ClientDataAccess.InsertBarcodeInfo(g, buffer);
string path = Path.Combine(Path.GetDirectoryName(Application.ExecutablePath), "ReaderProc.exe");
var p = Process.Start(path, g.ToString());
if (!p.WaitForExit((int)TimeSpan.FromSeconds(10).TotalMilliseconds))
{
throw new TimeoutException("Reader timeout");
}
var buffer2 = ClientDataAccess.SelectBarcodeInfoData(g);
ClientDataAccess.DeleteBarcodeInfo(g);
ObjectSerializer ser = new ObjectSerializer(true);
BarcodeInfoArray barArray = ser.Deserialize <BarcodeInfoArray>(buffer2);
if (barArray.Count == 0)
{
throw new IndexOutOfRangeException("No barcode found");
}
if (barArray == null || barArray.Count == 0)
{
var ex = new ApplicationException("No bar code found");
ex.AddNext(new MethodInvoker(() =>
{
string id = Strings.VScan_EditItem.Uniqueue();
data.Message = ex.Message;
DataSlot.Set(id, data);
WinMsg.SendText(state.Scan, state.Main, id);
}));
throw ex;
}
else if (barArray.Count > 1)
{
var ex = new ApplicationException("More than one bar code on image.");
ex.AddNext(new MethodInvoker(() =>
{
string id = Strings.VScan_EditItem.Uniqueue();
data.Message = ex.Message;
DataSlot.Set(id, data);
WinMsg.SendText(state.Scan, state.Main, id);
}));
throw ex;
}
try
{
data.Parse(barArray[0].String);
}
catch (Exception e)
{
var ex = new ApplicationException("Can't parse barcode string.", e);
ex.AddNext(new MethodInvoker(() =>
{
string id = Strings.VScan_EditItem.Uniqueue();
data.Message = ex.Message;
DataSlot.Set(id, data);
WinMsg.SendText(state.Scan, state.Main, id);
VoucherMonitorForm.ShowImage(id);
}));
throw ex;
}
});
return(method);
}
/// <summary>
/// Used to find and exctract the barcode
/// </summary>
/// <returns></returns>
public static VoucherProcessDelegate CreateExtractBarCodeDelegate()
{
var method = new VoucherProcessDelegate((Voucher data, StateObj state) =>
{
Debug.Assert(state.Main != IntPtr.Zero);
Debug.Assert(state.Scan != IntPtr.Zero);
Debug.Assert(data != null);
if (data.VoucherImage == null)
{
throw new AppWarningException("No image found");
}
Barcode[] readBarCodes = null;
lock (typeof(BarcodeReader))
{
BarcodeReader reader = new BarcodeReader(Strings.VScan_BarcodeReaderSDKDeveloperLicenseKey);
reader.LicenseManager.AddLicenseKey(Strings.VScan_BarcodeReaderSDKUnlimitedRuntimeLicenseKey);
reader.BarcodesToRead = 1;
reader.BarcodeTypes = BarcodeTypeEnum.BT_Inter2of5;
var bmp = data.VoucherImage;
readBarCodes = reader.ReadFromBitmapRotateAll(ref bmp, data);
data.VoucherImage = bmp;
}
if (readBarCodes == null || readBarCodes.Length == 0)
{
var ex = new ApplicationException("No bar code found");
ex.AddNext(new MethodInvoker(() =>
{
string id = Strings.VScan_EditItem.Uniqueue();
data.Message = ex.Message;
DataSlot.Set(id, data);
WinMsg.SendText(state.Scan, state.Main, id);
}));
throw ex;
}
else if (readBarCodes.Length > 1)
{
var ex = new ApplicationException("More than one bar code on image.");
ex.AddNext(new MethodInvoker(() =>
{
string id = Strings.VScan_EditItem.Uniqueue();
data.Message = ex.Message;
DataSlot.Set(id, data);
WinMsg.SendText(state.Scan, state.Main, id);
}));
throw ex;
}
try
{
data.Parse(readBarCodes[0].BarcodeString);
}
catch (Exception e)
{
var ex = new ApplicationException("Can't process barcode string.", e);
ex.AddNext(new MethodInvoker(() =>
{
string id = Strings.VScan_EditItem.Uniqueue();
data.Message = ex.Message;
DataSlot.Set(id, data);
WinMsg.SendText(state.Scan, state.Main, id);
VoucherMonitorForm.ShowImage(id);
}));
throw ex;
}
});
return(method);
}