private void bw_DoWork(object sender, DoWorkEventArgs e)
{
Byte[] result = new Byte[10000];
BackgroundWorker worker = sender as BackgroundWorker;
ThreadArguments ta = e.Argument as ThreadArguments;
int resLen = Scanner.MWBscanGrayscaleImage(ta.pixels, ta.width, ta.height, result);
if (lastTime != null && lastTime.Ticks > 0)
{
long timePrev = lastTime.Ticks;
long timeNow = DateTime.Now.Ticks;
long timeDifference = (timeNow - timePrev) / 10000;
System.Diagnostics.Debug.WriteLine("frame time: {0}", timeDifference);
}
lastTime = DateTime.Now;
//ignore results shorter than 4 characters for barcodes with weak checksum
if (resLen > 4 || ((resLen > 0 && Scanner.MWBgetLastType() != Scanner.FOUND_39 && Scanner.MWBgetLastType() != Scanner.FOUND_25_INTERLEAVED && Scanner.MWBgetLastType() != Scanner.FOUND_25_STANDARD)))
{
string resultString = System.Text.Encoding.UTF8.GetString(result, 0, resLen);
int bcType = Scanner.MWBgetLastType();
String typeName = BarcodeHelper.getBarcodeName(bcType);
Deployment.Current.Dispatcher.BeginInvoke(delegate()
{
BarcodeHelper.scannerResult = new ScannerResult();
BarcodeHelper.resultAvailable = true;
BarcodeHelper.scannerResult.code = resultString;
BarcodeHelper.scannerResult.type = typeName;
Byte[] binArray = new Byte[resLen];
for (int i = 0; i < resLen; i++)
{
binArray[i] = result[i];
}
BarcodeHelper.scannerResult.bytes = binArray;
stopCamera();
NavigationService.GoBack();
});
}
else
{
isProcessing = false;
cameraDevice.PreviewFrameAvailable += previewFrameHandler;
}
}
private async void SaveScanResult(MWResult result)
{
try
{
if (result != null)
{
if (editItemIndex >= 0)
{
listItems[editItemIndex].BarcodeResult = result.text;
listItems[editItemIndex].BarcodeType = BarcodeHelper.getBarcodeName(result.type);
}
else
{
ItemModel itemResult = new ItemModel();
itemResult.ID = 1;
if (listItems.Count > 0)
{
itemResult.ID = ((int)listItems.Max(x => x.ID)) + 1;
}
itemResult.Name = "";
itemResult.BarcodeResult = result.text;
itemResult.BarcodeType = BarcodeHelper.getBarcodeName(result.type);
listItems.Insert(0, itemResult);
}
if (Xamarin.Forms.Application.Current.Properties.ContainsKey("AllLists"))
{
string jsonList = Xamarin.Forms.Application.Current.Properties["AllLists"].ToString();
ObservableCollection <ListsModel> tempList = JsonConvert.DeserializeObject <ObservableCollection <ListsModel> >(jsonList);
tempList[editListIndex].Items = listItems;
Xamarin.Forms.Application.Current.Properties["AllLists"] = JsonConvert.SerializeObject(tempList);
}
}
//On Xamarin navigation should go here
if (Element.Navigation.ModalStack.Count > 0)
{
await Element.Navigation.PopModalAsync();
}
}
catch (Exception ex)
{
}
}
private void bw_DoWork(object sender, DoWorkEventArgs e)
{
Byte[] result = new Byte[10000];
BackgroundWorker worker = sender as BackgroundWorker;
ThreadArguments ta = e.Argument as ThreadArguments;
int resLen = Scanner.MWBscanGrayscaleImage(ta.pixels, ta.width, ta.height, result);
//ignore positive result if closing is in progress
if (isClosing)
{
resLen = -1;
}
if (resLen > 0 && resultDisplayed)
{
resLen = -1;
}
MWResult mwResult = null;
if (resLen > 0 && Scanner.MWBgetResultType() == Scanner.MWB_RESULT_TYPE_MW)
{
MWResults results = new MWResults(result);
if (results.count > 0)
{
mwResult = results.getResult(0);
result = mwResult.bytes;
}
}
if (lastTime != null && lastTime.Ticks > 0)
{
long timePrev = lastTime.Ticks;
long timeNow = DateTime.Now.Ticks;
long timeDifference = (timeNow - timePrev) / 10000;
System.Diagnostics.Debug.WriteLine("frame time: {0}", timeDifference);
}
lastTime = DateTime.Now;
//ignore results shorter than 4 characters for barcodes with weak checksum
if (mwResult != null && mwResult.bytesLength > 4 || (mwResult != null && mwResult.bytesLength > 0 && mwResult.type != Scanner.FOUND_39 && mwResult.type != Scanner.FOUND_25_INTERLEAVED && mwResult.type != Scanner.FOUND_25_STANDARD))
{
resultDisplayed = true;
String typeName = BarcodeHelper.getBarcodeName(mwResult);
Deployment.Current.Dispatcher.BeginInvoke(delegate()
{
isClosing = true;
BarcodeHelper.scannerResult = new ScannerResult();
BarcodeHelper.resultAvailable = true;
BarcodeHelper.scannerResult.code = mwResult.text;
BarcodeHelper.scannerResult.type = BarcodeHelper.getBarcodeName(mwResult);
BarcodeHelper.scannerResult.isGS1 = mwResult.isGS1;
Byte[] binArray = new Byte[mwResult.bytesLength];
for (int i = 0; i < mwResult.bytesLength; i++)
{
binArray[i] = mwResult.bytes[i];
}
BarcodeHelper.scannerResult.bytes = binArray;
stopCamera();
NavigationService.GoBack();
isProcessing = false;
resultDisplayed = false;
});
}
else
{
isProcessing = false;
}
activeThreads--;
}
private static void bWorkerX_DoWork(object sender, DoWorkEventArgs e)
{
int width = ((conversionResult)e.Argument).width;
int height = ((conversionResult)e.Argument).height;
byte[] returnArray = ((conversionResult)e.Argument).returnArray;
//resString = "";
int resLen = 0;
if (returnArray != null)
{
MWResult mwResult = null;
byte[] result = new byte[10000];
try
{
// Debug.WriteLine("ReturnArat size: " + returnArray.Length);
resLen = MWBarcodeScanner.scanGrayscaleImage(returnArray, width, height, result);
// Debug.WriteLine("result size: " + result.Length + "ResLen = " + resLen);
mwResult = null;
}
catch (Exception ee)
{
Debug.WriteLine(ee.Message);
}
if (resultDisplayed)
{
resLen = -1;
}
if (resLen > 0)
{
MWResults results = new MWResults(result);
string s = System.Text.Encoding.UTF8.GetString(result, 0, result.Length);
if (results.count > 0)
{
mwResult = results.getResult(0);
result = mwResult.bytes;
}
if ((resultDisplayed == false) && (mwResult != null))
{
resultDisplayed = true;
string typeName = BarcodeHelper.getBarcodeName(mwResult.type);
// mwResult.typeText = typeName;
byte[] parsedResult = new byte[6000];
string displayString = "";
if (USE_MWPARSER == true)
{
double parserRes = -1;
//ignore results shorter than 4 characters for barcodes with weak checksum
if (mwResult != null && mwResult.bytesLength > 4 || (mwResult != null && mwResult.bytesLength > 0 && mwResult.type != Scanner.FOUND_39 && mwResult.type != Scanner.FOUND_25_INTERLEAVED && mwResult.type != Scanner.FOUND_25_STANDARD))
{
//Scanner.MWBsetDuplicate(mwResult.bytes, mwResult.bytesLength); //so praa?
if (MWPARSER_MASK != Scanner.MWP_PARSER_MASK_NONE && !(MWPARSER_MASK == Scanner.MWP_PARSER_MASK_GS1 && !mwResult.isGS1))
{
parserRes = BarcodeLib.Scanner.MWPgetFormattedText(MWPARSER_MASK, System.Text.Encoding.UTF8.GetBytes(mwResult.encryptedResult), parsedResult);
if (parserRes >= 0)
{
mwResult.text = Encoding.UTF8.GetString(parsedResult, 0, parsedResult.Length);
int index = mwResult.text.IndexOf('\0');
if (index >= 0)
{
mwResult.text = mwResult.text.Remove(index);
}
if (MWPARSER_MASK == Scanner.MWP_PARSER_MASK_AAMVA)
{
typeName = typeName + " (AAMVA)";
}
else if (MWPARSER_MASK == Scanner.MWP_PARSER_MASK_IUID)
{
typeName = typeName + " (IUID)";
}
else if (MWPARSER_MASK == Scanner.MWP_PARSER_MASK_ISBT)
{
typeName = typeName + " (ISBT)";
}
else if (MWPARSER_MASK == Scanner.MWP_PARSER_MASK_HIBC)
{
typeName = typeName + " (HIBC)";
}
else if (MWPARSER_MASK == Scanner.MWP_PARSER_MASK_SCM)
{
typeName = typeName + " (SCM)";
}
}
}
}
if (parserRes == -1)
{
displayString = mwResult.text;
}
else
{
displayString = System.Text.Encoding.UTF8.GetString(parsedResult);
}
}
else
{
displayString = mwResult.text;
}
// if (USE_ANALYTICS)
{
// sendReport(mwResult);
}
try
{
// Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.High, () =>
//{
//successCallback.barcodeDetected(mwResult);
// displayResultAsync_old(mwResult);
// });
// displayResultAsync(mwResult);
}
catch (Exception ee)
{
Debug.WriteLine(ee.Message);
}
}
resultDisplayed = false;
law_n_order.WaitOne();
decodedQueue.Enqueue(mwResult);
law_n_order.ReleaseMutex();
}
}
//decodedQueue.Enqueue(null); //no need as it's null by default
//throw new NotImplementedException();
}
private void bw_DoWork(object sender, DoWorkEventArgs e)
{
Byte[] result = new Byte[10000];
BackgroundWorker worker = sender as BackgroundWorker;
ThreadArguments ta = e.Argument as ThreadArguments;
int resLen = Scanner.MWBscanGrayscaleImage(ta.pixels, ta.width, ta.height, result);
//ignore positive result if closing is in progress
if (isClosing)
{
resLen = -1;
}
if (resLen > 0 && resultDisplayed)
{
resLen = -1;
}
MWResult mwResult = null;
if (resLen > 0 && Scanner.MWBgetResultType() == Scanner.MWB_RESULT_TYPE_MW)
{
MWResults results = new MWResults(result);
if (results.count > 0)
{
mwResult = results.getResult(0);
result = mwResult.bytes;
}
}
if (lastTime != null && lastTime.Ticks > 0)
{
long timePrev = lastTime.Ticks;
long timeNow = DateTime.Now.Ticks;
long timeDifference = (timeNow - timePrev) / 10000;
//System.Diagnostics.Debug.WriteLine("frame time: {0}", timeDifference);
}
lastTime = DateTime.Now;
//ignore results shorter than 4 characters for barcodes with weak checksum
if (mwResult != null && mwResult.bytesLength > 4 || (mwResult != null && mwResult.bytesLength > 0 && mwResult.type != Scanner.FOUND_39 && mwResult.type != Scanner.FOUND_25_INTERLEAVED && mwResult.type != Scanner.FOUND_25_STANDARD))
{
Scanner.MWBsetDuplicate(mwResult.bytes, mwResult.bytesLength);
resultDisplayed = true;
String typeName = BarcodeHelper.getBarcodeName(mwResult);
Deployment.Current.Dispatcher.BeginInvoke(delegate()
{
BarcodeHelper.scannerResult = new ScannerResult();
BarcodeHelper.resultAvailable = true;
BarcodeHelper.scannerResult.code = mwResult.text;
BarcodeHelper.scannerResult.type = BarcodeHelper.getBarcodeName(mwResult);
BarcodeHelper.scannerResult.isGS1 = mwResult.isGS1;
if (mwResult.locationPoints != null)
{
BarcodeHelper.scannerResult.location = "{\"p1\":{\"x\":" + floatToStrDot(mwResult.locationPoints.p1.x) + ", \"y\":" + floatToStrDot(mwResult.locationPoints.p1.y) + "},"
+ "\"p2\":{\"x\":" + floatToStrDot(mwResult.locationPoints.p2.x) + ", \"y\":" + floatToStrDot(mwResult.locationPoints.p2.y) + "},"
+ "\"p3\":{\"x\":" + floatToStrDot(mwResult.locationPoints.p3.x) + ", \"y\":" + floatToStrDot(mwResult.locationPoints.p3.y) + "},"
+ "\"p4\":{\"x\":" + floatToStrDot(mwResult.locationPoints.p4.x) + ", \"y\":" + floatToStrDot(mwResult.locationPoints.p4.y) + "}}";
}
else
{
BarcodeHelper.scannerResult.location = "false";
}
BarcodeHelper.scannerResult.imageWidth = mwResult.imageWidth;
BarcodeHelper.scannerResult.imageHeight = mwResult.imageHeight;
Byte[] binArray = new Byte[mwResult.bytesLength];
for (int i = 0; i < mwResult.bytesLength; i++)
{
binArray[i] = mwResult.bytes[i];
}
BarcodeHelper.scannerResult.bytes = binArray;
stopCamera();
string resultString = "{\"code\":" + JsonHelper.Serialize(BarcodeHelper.scannerResult.code) + ","
+ "\"type\":" + JsonHelper.Serialize(BarcodeHelper.scannerResult.type) + ","
+ "\"bytes\":" + JsonHelper.Serialize(BarcodeHelper.scannerResult.bytes) + ","
+ "\"isGS1\":" + JsonHelper.Serialize(BarcodeHelper.scannerResult.isGS1) + ","
+ "\"location\":" + BarcodeHelper.scannerResult.location + ","
+ "\"imageWidth\":" + BarcodeHelper.scannerResult.imageWidth + ","
+ "\"imageHeight\":" + BarcodeHelper.scannerResult.imageHeight
+ "}";
PluginResult pResult = new PluginResult(PluginResult.Status.OK, resultString);
pResult.KeepCallback = true;
MWBarcodeScanner.mwbScanner.DispatchCommandResult(pResult, MWBarcodeScanner.kallbackID);
if (param_CloseScannerOnDecode)
{
isClosing = true;
if (isPage)
{
NavigationService.GoBack();
}
else
{
MWBarcodeScanner.mwbScanner.stopScanner("");
}
resultDisplayed = false;
}
isProcessing = false;
});
}
else
{
isProcessing = false;
}
activeThreads--;
}
