优化为并行扫码

CameraVisionLib/Barcode.cs

@@ -4,6 +4,8 @@ using System.Drawing;
 using System.Drawing.Imaging;
 using HalconDotNet;
 using CameraVisionLib.Model;
+using System.Threading.Tasks;
+using System.Diagnostics;
 
 namespace Asa.Barcode
 {
@@ -50,7 +52,6 @@ namespace Asa.Barcode
                     if (code.Count == 0) code.AddRange(HalconGetCode(image));
                     break;
             }
-
             return code;
         }
 
@@ -64,21 +65,55 @@ namespace Asa.Barcode
         {
             List<BarcodeInfo> code = new();
             Bitmap bmp = new(image);  //防止原图被释放
-
+            Stopwatch stopwatch = new Stopwatch();
+            stopwatch.Start();
+            //图像转成halcon的类型
+            BitmapData bmpData = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
+            HObject hObj;
+            var zoom = scanParam.Zoom2D;
+            try
+            {
+                HOperatorSet.GenImageInterleaved(out hObj, bmpData.Scan0, "bgr", bmp.Width, bmp.Height, 0, "byte", 0, 0, 0, 0, -1, 0);
+                if (zoom != 1)
+                    HOperatorSet.ZoomImageFactor(hObj, out hObj, zoom, zoom, "bilinear");
+                bmp.UnlockBits(bmpData);
+                stopwatch.Stop();
+                Common.log.Info("to hobj time:" + stopwatch.ElapsedMilliseconds);
+            }
+            catch (Exception ex)
+            {
+                bmp.UnlockBits(bmpData);
+                Common.log.Error("Extract1DCode", ex);
+                return code;
+            }
+            
             switch (scanParam.HalconType)
             {
                 case CodeType.All:
-                    code.AddRange(HalconExtract1DCode(bmp, scanParam.Zoom1D));
-                    code.AddRange(HalconExtract2DCode(bmp, scanParam.Zoom2D));
+                    var t1 = Task.Run(()=> {
+                        var cs = HalconExtract1DCode(hObj, scanParam.Zoom1D);
+                        lock (code) {
+                            code.AddRange(cs);
+                        }
+                    });
+                    var t2 = Task.Run(() => {
+                        var cs = HalconExtract2DCode(hObj, scanParam.Zoom2D);
+                        lock (code)
+                        {
+                            code.AddRange(cs);
+                        }
+                    });
+                    Task.WaitAll(t1, t2);
                     break;
                 case CodeType.Barcode1D:
-                    code.AddRange(HalconExtract1DCode(bmp, scanParam.Zoom1D));
+                    code.AddRange(HalconExtract1DCode(hObj, scanParam.Zoom1D));
                     break;
                 case CodeType.Barcode2D:
-                    code.AddRange(HalconExtract2DCode(bmp, scanParam.Zoom2D));
+                    code.AddRange(HalconExtract2DCode(hObj, scanParam.Zoom2D));
                     break;
             }
-
+            hObj.Dispose();
+            bmp.Dispose();
             return code;
         }
 
@@ -107,29 +142,16 @@ namespace Asa.Barcode
             return code;
         }
 
-        private List<BarcodeInfo> HalconExtract1DCode(Bitmap bmp, float zoom)
+        private List<BarcodeInfo> HalconExtract1DCode(HObject hObj, float zoom)
         {
             List<BarcodeInfo> codeInfo = new();
 
-            //图像转成halcon的类型
-            BitmapData bmpData = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
-            HObject hObj;
-            try
-            {
-                HOperatorSet.GenImageInterleaved(out hObj, bmpData.Scan0, "bgr", bmp.Width, bmp.Height, 0, "byte", 0, 0, 0, 0, -1, 0);
-                if (zoom != 1)
-                    HOperatorSet.ZoomImageFactor(hObj, out hObj, zoom, zoom, "bilinear");
-                bmp.UnlockBits(bmpData);
-            }
-            catch (Exception ex)
-            {
-                bmp.UnlockBits(bmpData);
-                Common.log.Error("Extract1DCode", ex);
-                return codeInfo;
-            }
+            
 
             try
             {
+                Stopwatch stopwatch = new Stopwatch();
+                stopwatch.Start();
                 HOperatorSet.Rgb1ToGray(hObj, out HObject grayImage);
                 HOperatorSet.CreateBarCodeModel(new HTuple(), new HTuple(), out HTuple hv_BarCode);  //创建条码模型
                 HOperatorSet.SetBarCodeParam(hv_BarCode, "num_scanlines", 5);  //扫描线的最大数量
@@ -141,7 +163,8 @@ namespace Asa.Barcode
                 HOperatorSet.GetBarCodeResult(hv_BarCode, "all", "orientation", out HTuple hv_Orientation);  //获取条码方向，x轴逆时针[0,180]，顺时针[0,-180]
                 HOperatorSet.SmallestRectangle2(symbolRegions, out HTuple row, out HTuple column, out HTuple phi, out HTuple length1, out HTuple length2);
                 HOperatorSet.ClearBarCodeModel(hv_BarCode);  //清除条码模型
-                Common.log.Info("Halcon Extract1DCode Count=" + hv_String.Length);
+                stopwatch.Stop();
+                Common.log.Info("Halcon Extract1DCode Count=" + hv_String.Length + " time:" + stopwatch.ElapsedMilliseconds);
 
                 if (hv_String.Length > 0)
                 {
@@ -170,82 +193,80 @@ namespace Asa.Barcode
             return codeInfo;
         }
 
-        private List<BarcodeInfo> HalconExtract2DCode(Bitmap bmp, float zoom)
+        private List<BarcodeInfo> HalconExtract2DCode(HObject hObj, float zoom)
         {
             List<BarcodeInfo> codeInfo = new();
 
-            //图像转成halcon的类型
-            BitmapData bmpData = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
-            HObject hObj;
-            try
-            {
-                HOperatorSet.GenImageInterleaved(out hObj, bmpData.Scan0, "bgr", bmp.Width, bmp.Height, 0, "byte", 0, 0, 0, 0, -1, 0);
-                if (zoom != 1)
-                    HOperatorSet.ZoomImageFactor(hObj, out hObj, zoom, zoom, "bilinear");
-                bmp.UnlockBits(bmpData);
-            }
-            catch (Exception ex)
-            {
-                bmp.UnlockBits(bmpData);
-                Common.log.Error("Extract2DCode", ex);
-                return codeInfo;
-            }
-
             string[] type = new string[] { "Data Matrix ECC 200", "QR Code", "PDF417" };
-            try
+
+            Task[] tasks = new Task[type.Length];
+            for (int i = 0; i < type.Length; i++)
             {
-                for (int i = 0; i < type.Length; i++)
+                var ctype = type[i];
+                tasks[i] = Task.Run(() =>
                 {
-                    HOperatorSet.Rgb1ToGray(hObj, out HObject grayImage);
-                    //支持‘Data Matrix ECC 200’、‘QR Code’和‘PDF417’共3种类型
-                    //‘standard_recognition’、‘enhanced_recognition’、‘maximum_recognition’
-                    HOperatorSet.CreateDataCode2dModel(type[i], "default_parameters", "maximum_recognition", out HTuple dataCodeHandle);
-                    HOperatorSet.SetDataCode2dParam(dataCodeHandle, "timeout", 1000);  //一个二维码的解码时间
-                    //HOperatorSet.SetDataCode2dParam(dataCodeHandle, "symbol_size_min", 16);  //码粒最小个数
-                    //HOperatorSet.SetDataCode2dParam(dataCodeHandle, "symbol_size_max", 30);  //码粒最大个数
-                    if (i != 2)
+
+                    try
                     {
-                        HOperatorSet.SetDataCode2dParam(dataCodeHandle, "module_size_min", 3);   //码粒最小像素
-                        HOperatorSet.SetDataCode2dParam(dataCodeHandle, "module_size_max", 20);  //码粒最大像素
-                    }
-                    HOperatorSet.FindDataCode2d(grayImage, out HObject symbolXLDs, dataCodeHandle, "stop_after_result_num", 5, out HTuple resultHandles, out HTuple decodedDataStrings);
+                        Stopwatch stopwatch = new Stopwatch();
+                        stopwatch.Start();
+                        HOperatorSet.Rgb1ToGray(hObj, out HObject grayImage);
+                        //支持‘Data Matrix ECC 200’、‘QR Code’和‘PDF417’共3种类型
+                        //‘standard_recognition’、‘enhanced_recognition’、‘maximum_recognition’
+                        HOperatorSet.CreateDataCode2dModel(ctype, "default_parameters", "maximum_recognition", out HTuple dataCodeHandle);
+                        HOperatorSet.SetDataCode2dParam(dataCodeHandle, "timeout", 1000);  //一个二维码的解码时间
+                                                                                           //HOperatorSet.SetDataCode2dParam(dataCodeHandle, "symbol_size_min", 16);  //码粒最小个数
+                                                                                           //HOperatorSet.SetDataCode2dParam(dataCodeHandle, "symbol_size_max", 30);  //码粒最大个数
+                        if (ctype != "PDF417")
+                        {
+                            HOperatorSet.SetDataCode2dParam(dataCodeHandle, "module_size_min", 3);   //码粒最小像素
+                            HOperatorSet.SetDataCode2dParam(dataCodeHandle, "module_size_max", 20);  //码粒最大像素
+                        }
+                        HOperatorSet.FindDataCode2d(grayImage, out HObject symbolXLDs, dataCodeHandle, "stop_after_result_num", 5, out HTuple resultHandles, out HTuple decodedDataStrings);
 
-                    //码粒的个数
-                    HOperatorSet.GetDataCode2dResults(dataCodeHandle, "all_results", "symbol_rows", out HTuple _rows);
-                    HOperatorSet.GetDataCode2dResults(dataCodeHandle, "all_results", "symbol_cols", out HTuple _cols);
+                        //码粒的个数
+                        HOperatorSet.GetDataCode2dResults(dataCodeHandle, "all_results", "symbol_rows", out HTuple _rows);
+                        HOperatorSet.GetDataCode2dResults(dataCodeHandle, "all_results", "symbol_cols", out HTuple _cols);
 
-                    //每个码粒的宽高
-                    HOperatorSet.GetDataCode2dResults(dataCodeHandle, "all_results", "module_height", out HTuple _height);
-                    HOperatorSet.GetDataCode2dResults(dataCodeHandle, "all_results", "module_width", out HTuple _width);
+                        //每个码粒的宽高
+                        HOperatorSet.GetDataCode2dResults(dataCodeHandle, "all_results", "module_height", out HTuple _height);
+                        HOperatorSet.GetDataCode2dResults(dataCodeHandle, "all_results", "module_width", out HTuple _width);
 
-                    HOperatorSet.AreaCenterXld(symbolXLDs, out HTuple hv_Area, out HTuple hv_Row, out HTuple hv_Column, out HTuple hv_PointOrder);
-                    //释放
-                    HOperatorSet.ClearDataCode2dModel(dataCodeHandle);
-                    Common.log.Info("Halcon Extract2DCode " + type[i] + " Count=" + decodedDataStrings.Length);
+                        HOperatorSet.AreaCenterXld(symbolXLDs, out HTuple hv_Area, out HTuple hv_Row, out HTuple hv_Column, out HTuple hv_PointOrder);
+                        //释放
+                        HOperatorSet.ClearDataCode2dModel(dataCodeHandle);
+                        stopwatch.Stop();
+                        Common.log.Info("Halcon Extract2DCode " + ctype + " Count=" + decodedDataStrings.Length +" time:"+ stopwatch.ElapsedMilliseconds);
 
-                    if (decodedDataStrings.Length > 0)
-                    {
-                        int n = decodedDataStrings.SArr.Length;
-                        for (int j = 0; j < n; j++)
+                        if (decodedDataStrings.Length > 0)
                         {
-                            BarcodeInfo info = new()
+                            int n = decodedDataStrings.SArr.Length;
+                            for (int j = 0; j < n; j++)
                             {
-                                Text = decodedDataStrings.SArr[j].Trim(),
-                                CodeType = type[j],
-                                Angle = 0,
-                                Center = new PointF(Convert.ToSingle(hv_Column.DArr[j] / zoom), Convert.ToSingle(hv_Row.DArr[j] / zoom)),
-                                Size = new SizeF(Convert.ToSingle(_cols.LArr[j] * _width.DArr[j]), Convert.ToSingle(_rows.LArr[j] * _height.DArr[j])),
-                                Distance = 0
-                            };
-                            codeInfo.Add(info);
+                                BarcodeInfo info = new()
+                                {
+                                    Text = decodedDataStrings.SArr[j].Trim(),
+                                    CodeType = ctype,
+                                    Angle = 0,
+                                    Center = new PointF(Convert.ToSingle(hv_Column.DArr[j] / zoom), Convert.ToSingle(hv_Row.DArr[j] / zoom)),
+                                    Size = new SizeF(Convert.ToSingle(_cols.LArr[j] * _width.DArr[j]), Convert.ToSingle(_rows.LArr[j] * _height.DArr[j])),
+                                    Distance = 0
+                                };
+                                lock (codeInfo)
+                                {
+                                    codeInfo.Add(info);
+                                }
+                            }
                         }
                     }
-                }
-            }
-            catch (Exception ex)
-            {
-                Common.log.Error("Extract2DCode", ex);
+                    catch (Exception ex)
+                    {
+                        Common.log.Error("Extract2DCode", ex);
+                    }
+                });
             }
+            Task.WaitAll(tasks,5000);
+
 
             return codeInfo;
         }

CameraVisionLib/obj/Debug/CameraVisionLib.csproj.FileListAbsolute.txt

@@ -27,5 +27,5 @@ D:\rick\vs\Camera\CameraVisionLib\obj\Debug\CameraVisionLib.csproj.GenerateResou
 D:\rick\vs\Camera\CameraVisionLib\obj\Debug\CameraVisionLib.csproj.CoreCompileInputs.cache
 D:\rick\vs\Camera\CameraVisionLib\obj\Debug\Asa.Camera.VisionLib.dll
 D:\rick\vs\Camera\CameraVisionLib\obj\Debug\Asa.Camera.VisionLib.pdb
-D:\rick\vs\Camera\CameraVisionLib\obj\Debug\CameraVisionLib.csproj.AssemblyReference.cache
 D:\rick\vs\Camera\CameraVisionLib\obj\Debug\CameraVisionLib.csproj.CopyComplete
+D:\rick\vs\Camera\CameraVisionLib\obj\Debug\CameraVisionLib.csproj.AssemblyReference.cache