//////////////////////////////////////////////////////////////////////////////
// IPRun() - The thread function IPRun performs the image processing.
// It waits for the grabbing thread to indicate a new image in the
// image list. After calling the operator FindDataCode2D, the
// result values are stored in the ResultContainer instance
// resultData, which can be entered only after the previous result
// values were displayed (containerIsFree-event).
//////////////////////////////////////////////////////////////////////////////
public void IPRun()
{
// ------------------- INIT ----------------
HDataCode2D reader = new HDataCode2D("Data Matrix ECC 200",
new HTuple(), new HTuple());
reader.SetDataCode2dParam("default_parameters", "enhanced_recognition");
// ----------- WAIT FOR EVENTS ---------------
while (newImgEvent.WaitOne())
{
newImgMutex.WaitOne(); // CriticalSect
HImage image = (HImage)imgList[0]; // CriticalSect
imgList.Remove(image); // CriticalSect
newImgMutex.ReleaseMutex(); // CriticalSect
HTuple t1 = HSystem.CountSeconds();
HTuple decodedDataStrings, resultHandle;
HXLD symbolXLDs = reader.FindDataCode2d(image, new HTuple(),
new HTuple(), out resultHandle, out decodedDataStrings);
HTuple t2 = HSystem.CountSeconds();
containerIsFreeEvent.WaitOne();
resultDataMutex.WaitOne(); // CriticalSect
resultData.timeNeeded = (1000 * (t2 - t1)); // CriticalSect
resultData.decodedData = decodedDataStrings; // CriticalSect
resultData.resultImg = image; // CriticalSect
resultData.resultHandle = resultHandle; // CriticalSect
resultData.symbolData = symbolXLDs; // CriticalSect
containerIsFreeEvent.Reset(); // CriticalSect
resultDataMutex.ReleaseMutex(); // CriticalSect
newResultEvent.Set();
mainForm.Invoke(delegateDisplay);
if (delegatedStopEvent.WaitOne(0, true))
{
break;
}
}
// -------- RESET/CLOSE ALL HANDLES ---------
mainForm.threadAcq.Join();
mainForm.Invoke(delegateControlReset);
reader.Dispose();
newResultEvent.Reset();
return;
}
private void OnDeserializedMethod(StreamingContext context)
{
_CodeReaderHand = new HDataCode2D("Data Matrix ECC 200", new HTuple(), new HTuple());
//_CodeReaderHand = new HDataCode2D("QR Code", new HTuple(), new HTuple());
_CodeReaderHand.SetDataCode2dParam("default_parameters", "standard_recognition");
_serachRegion = new HRegion();
DataCodeString = string.Empty;
DataCodeContour = new HXLDCont();
DisplayControl = new List <HWindowControl>();
}
public CodeReader()
{
_CodeReaderHand = new HDataCode2D("Data Matrix ECC 200", new HTuple(), new HTuple());
//_CodeReaderHand = new HDataCode2D("QR Code", new HTuple(), new HTuple());
_CodeReaderHand.SetDataCode2dParam("default_parameters", "standard_recognition");
DateCodeZoomImg = 1f;
DateCodeTimeOut = true;
UseBrightenValue = 1.5f;
}
public static string[] GetBarcode2()
{
string[] res = new string[2];
DataCodeHandle2 = new HDataCode2D("Data Matrix ECC 200", new HTuple(), new HTuple());
HObject image1, image2;
HObject Roi1, Roi2;
HObject symbolXLD1, symbolXLD2;
HOperatorSet.ReadObject(out Roi1, System.Environment.CurrentDirectory + "\\rectangle3.hobj");
HOperatorSet.ReadObject(out Roi2, System.Environment.CurrentDirectory + "\\rectangle4.hobj");
HOperatorSet.ReduceDomain(Camera2.CurrentImage, Roi1, out image1);
HOperatorSet.ReduceDomain(Camera2.CurrentImage, Roi2, out image2);
HOperatorSet.FindDataCode2d(new HImage(image1), out symbolXLD1, DataCodeHandle2, new HTuple(), new HTuple(), out ResultHandles2, out DecodedDataStrings2);
res[0] = new HTuple((new HTuple(DecodedDataStrings2.TupleLength())).TupleEqual(1)) == 1 ? DecodedDataStrings2.TupleSelect(0).ToString().Replace("\"", "") : "error";
HOperatorSet.FindDataCode2d(new HImage(image2), out symbolXLD2, DataCodeHandle2, new HTuple(), new HTuple(), out ResultHandles2, out DecodedDataStrings2);
res[1] = new HTuple((new HTuple(DecodedDataStrings2.TupleLength())).TupleEqual(1)) == 1 ? DecodedDataStrings2.TupleSelect(0).ToString().Replace("\"", "") : "error";
viewController2.addIconicVar(symbolXLD1);
viewController2.addIconicVar(symbolXLD2);
viewController2.addIconicVar(Roi1);
viewController2.addIconicVar(Roi2);
viewController2.viewPort.HalconWindow.SetColor("green");
viewController2.repaint();
HTuple area, rows, columns;
HOperatorSet.AreaCenter(Roi1, out area, out rows, out columns);
int[] co = GetCorinWindow(viewController2.viewPort.HalconWindow, Camera2.CurrentImage, (int)rows.D, (int)columns.D);
HOperatorSet.DispText(viewController2.viewPort.HalconWindow, "① " + res[0], "window", co[0], co[1], "black", "box", "true");
HOperatorSet.AreaCenter(Roi2, out area, out rows, out columns);
co = GetCorinWindow(viewController2.viewPort.HalconWindow, Camera2.CurrentImage, (int)rows.D, (int)columns.D);
HOperatorSet.DispText(viewController2.viewPort.HalconWindow, "② " + res[1], "window", co[0], co[1], "black", "box", "true");
image1.Dispose();
image2.Dispose();
DataCodeHandle2.Dispose();
return(res);
}
public Vision()
{
//------------------------------------------------------------
// Khởi tạo Camera
//------------------------------------------------------------
GenCamera.Init_Acquisition(out HFramegrabber);
//------------------------------------------------------------
// Khởi tạo đối tượng đọc code
//------------------------------------------------------------
HDataCode2D_QRCode = new HDataCode2D("QR Code", new HTuple(), new HTuple());
HDataCode2D_DataMatrix = new HDataCode2D("Data Matrix ECC 200", new HTuple("default_parameters"), new HTuple("enhanced_recognition"));
HBarcode = new HBarCode(new HTuple(), new HTuple());
//------------------------------------------------------------
// Load ROI đọc code của 3 loại code
//------------------------------------------------------------
HOperatorSet.SetSystem(new HTuple("clip_region"), new HTuple("false"));
HOperatorSet.ReadRegion(out HRegion_QRCode, new HTuple("D:/Halcon/ROI_QR.hobj"));
HOperatorSet.ReadRegion(out HRegion_DataMatrix, new HTuple("D:/Halcon/ROI_DM.hobj"));
HOperatorSet.ReadRegion(out HRegion_Barcode, new HTuple("D:/Halcon/ROI_B39.hobj"));
}
//------------------------------------------------------------
// Đọc code từ ảnh gửi vào, trả về kết quả dạng string
//------------------------------------------------------------
public string Run(HObject imageIn)
{
HObject imgCrop;
HObject symbolQRCode, symbolDMCode, symbolBarcode;
HTuple decodedDataBarcode, resultDMCode, resultQRCode,
decodedDataQRCode, decodedDataDMCode;
HTuple resultTuple;
string returnStr = "";
resultTuple = new HTuple();
// Lấy ảnh theo vùng ROI
HOperatorSet.ReduceDomain(imageIn, ROI, out imgCrop);
// Sử dụng Tool đọc code tương ứng, xử lý ảnh đã Crop
// Kết quả trả về resultTuple
switch (Type)
{
case 0: // Barcode type ----------------------------------------------------------
if (BarcodeTool == null)
{
BarcodeTool = new HBarCode(new HTuple(), new HTuple());
}
// Find Code
HOperatorSet.FindBarCode(imgCrop, out symbolBarcode,
BarcodeTool, new HTuple("auto"),
out decodedDataBarcode);
// Get Result
resultTuple = decodedDataBarcode;
break;
case 1: // DMCode type ------------------------------------------------------------
if (DMCodeTool == null)
{
DMCodeTool = new HDataCode2D("Data Matrix ECC 200",
new HTuple("default_parameters"),
new HTuple("enhanced_recognition"));
}
// Find Code
HOperatorSet.FindDataCode2d(imgCrop, out symbolDMCode,
DMCodeTool, new HTuple(),
new HTuple(), out resultDMCode,
out decodedDataDMCode);
// Get Result
resultTuple = decodedDataDMCode;
break;
case 2: // QRCode type -------------------------------------------------------------
if (QRCodeTool == null)
{
QRCodeTool = new HDataCode2D("QR Code", new HTuple(), new HTuple());
}
// Find Code
HOperatorSet.FindDataCode2d(imgCrop, out symbolQRCode, QRCodeTool,
new HTuple(), new HTuple(),
out resultQRCode, out decodedDataQRCode);
// Get Result
resultTuple = decodedDataQRCode;
break;
default:
break;
}
// Kiểm tra kết quả tool đọc code, lọc lấy code cần tìm
if (resultTuple.Length == 0)
{
returnStr = "ERR";
}
else
{
// Filter theo độ dài + chuỗi ký tự bắt buộc (filterString)
foreach (string item in resultTuple.SArr)
{
// Filter
if ((item.Length > MaxLength) || (item.Length < MinLength))
{
continue;
}
if (!item.Contains(FilterString))
{
continue;
}
// Lấy code dài nhất đã filter
if (item.Length > returnStr.Length)
{
returnStr = item;
}
}
// Nếu đã lọc hết => trả về ERR
if (returnStr.Length < MinLength)
{
returnStr = "ERR";
}
}
return(returnStr);
}
public override VisionResult Detected(VisionImage image, Dictionary <string, VisionResult> Result = null, VisionFlow parent = null, Shape newRoi = null)
{
VisionResult rtn = new VisionResult();
rtn.State = VisionResultState.WaitCal;
if (ROI == null || image == null)
{
rtn.State = VisionResultState.NG;
return(rtn);
}
try
{
using (VisionImage temp = new VisionImage())
{
var roi = this.ROI;
if (newRoi != null)
{
roi = newRoi;
}
using (HImage hImage = VisionHelper.Image(image))
{
RectangleContour rect = roi as RectangleContour;
using (HImage reduceImage = hImage.ReduceDomain(
new HRegion(rect.Top, rect.Left,
rect.Top + rect.Height,
rect.Left + rect.Width)))
{
string code = string.Empty;
switch (CodeType)
{
case CodeType.Code_2D_Mat:
code = "Data Matrix ECC 200";
break;
case CodeType.Code_QR:
code = "QR Code";
break;
}
using (HDataCode2D code2D = new HDataCode2D(code, "default_parameters", "maximum_recognition"))
{
HTuple result = new HTuple();
HTuple resultString = new HTuple();
code2D.FindDataCode2d(reduceImage, "stop_after_result_num", 1, out result, out resultString);
if (resultString.Length > 0)
{
rtn.BarCode = resultString.SArr[0];
this.AddVisionResc(rtn, $"条码寻找成功:{rtn.BarCode}");
rtn.State = VisionResultState.OK;
image.Overlays.Default.AddText(rtn.BarCode, new PointContour(rect.Left, rect.Top), Rgb32Value.BlueColor, new OverlayTextOptions("Consolas", 128));
}
else
{
rtn.State = VisionResultState.NG;
this.AddVisionResc(rtn, $"没有找到条码");
}
}
}
}
}
}
catch (HalconException ex)
{
this.AddVisionResc(rtn, $"没有找到条码 {ex.GetErrorMessage()}");
}
return(rtn);
}