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();
}
// scanImage implementation
public static MWResult scanImage([ReadOnlyArray()] byte[] rawImage, int width, int height)
{
MWResult mwResult = null;
int size = width * height;
byte[] gray = new byte[size];
int colorChannels = 4;
int colorChannelOffset = 1;
for (int y = 0; y < height; y++)
{
int dstOffset = y * width;
int srcOffset = ((y * width) * colorChannels) + colorChannelOffset;
for (int x = 0; x < width; x++)
{
gray[dstOffset + x] = rawImage[srcOffset];
srcOffset += colorChannels;
}
}
string s = null;
Scanner.MWBsetResultType(Scanner.MWB_RESULT_TYPE_MW);
byte[] p_data = new byte[10000];
int len = Scanner.MWBscanGrayscaleImage(gray, width, height, p_data);
if (len > 0)
{
MWResults mwres = new MWResults(p_data);
mwResult = null;
if (mwres != null && mwres.count > 0)
{
mwResult = mwres.getResult(0);
// with parser
if (MWPARSER_MASK != Scanner.MWP_PARSER_MASK_NONE && !(MWPARSER_MASK == Scanner.MWP_PARSER_MASK_GS1 && !mwResult.isGS1))
{
double parserRes = -1;
byte[] pp_data = new byte[10000];
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))
{
parserRes = BarcodeLib.Scanner.MWPgetJSON(MWPARSER_MASK, System.Text.Encoding.UTF8.GetBytes(mwResult.encryptedResult), pp_data);
if (parserRes >= 0)
{
mwResult.text = Encoding.UTF8.GetString(pp_data, 0, pp_data.Length);
int index = mwResult.text.IndexOf('\0');
if (index >= 0)
{
mwResult.text = mwResult.text.Remove(index);
}
}
}
}
}
}
return(mwResult);
}
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--;
}
private async void FindCodes(byte[] data, int width, int height)
{
byte[] bytes = new byte[data.Length / 4];
System.Diagnostics.Debug.WriteLine("Refining Data ({0}. {1}, {2})", data.Length, width, height);
for (int i = 0; i < bytes.Length; i++)
{
bytes[i] = data[i * 4];
}
System.Diagnostics.Debug.WriteLine("Finding Codes {0}", _Threads);
byte[] resultData = new byte[10000];
int result = BarcodeLib.Scanner.MWBscanGrayscaleImage(bytes, Convert.ToInt32(width), Convert.ToInt32(height), resultData);
if ((result < 0) || _Done)
{
System.Diagnostics.Debug.WriteLine("Scan Result: {0} - Fail", result);
resultData = null;
_Threads--;
return;
}
string resultText = string.Empty;
var type = BarcodeLib.Scanner.MWBgetResultType();
System.Diagnostics.Debug.WriteLine("Scan Result type: {0}", type);
if (BarcodeLib.Scanner.MWBgetResultType() < 0)
{
System.Diagnostics.Debug.WriteLine("Scan Result - Fail: {0}", type);
resultData = null;
_Threads--;
return;
}
if (type == 2)
{
MWResults results = new MWResults(resultData);
if (results.count == 0)
{
var s = System.Text.Encoding.UTF8.GetString(resultData, 0, resultData.Length);
System.Diagnostics.Debug.WriteLine("No Data.");
System.Diagnostics.Debug.WriteLine(s);
resultData = null;
_Threads--;
return;
}
MWResult scanResult = results.getResult(0);
resultText = scanResult.text;
scanResult = null;
}
else
{
resultText = System.Text.Encoding.UTF8.GetString(resultData, 0, resultData.Length);
}
// return the result
if (!string.IsNullOrEmpty(resultText))
{
_Done = true;
if (_CodesFound != null)
{
Utilities.Dispatch(() =>
{
ScanResults = DecodeScan(resultText);
_CodesFound(ScanResults);
});
}
else if (_DataFound != null)
{
Utilities.Dispatch(() =>
{
_DataFound(resultData);
});
}
}
resultData = null;
_Threads--;
}
