modified: Program.cs

Program.cs

@@ -6,6 +6,7 @@ using ZXing.Windows.Compatibility;
 using ZXing.Common;
 using System.Runtime.InteropServices;
 using System.Drawing;
+// using Emgu.CV.CvEnum;
 
 
 namespace BarcodeReaderExample
@@ -21,7 +22,7 @@ namespace BarcodeReaderExample
 
             camera.Set(VideoCaptureProperties.FrameWidth, 1280);
             camera.Set(VideoCaptureProperties.FrameHeight, 720);
-            camera.Set(VideoCaptureProperties.Fps, 5);
+            camera.Set(VideoCaptureProperties.Fps, 60);
 
 
             Mat hey = new Mat("photo.png");
@@ -61,10 +62,35 @@ namespace BarcodeReaderExample
                     // Cv2.Circle(frame, (int)pos1[0], (int)pos1[1], 5, Scalar.Red, 2);
                     // Cv2.Circle(frame, (int)pos2[0], (int)pos2[1], 5, Scalar.Green, 2);
                     // Cv2.Circle(frame, (int)pos3[0], (int)pos3[1], 5, Scalar.Blue, 2);  
+                    PointF[] location;
+                    try
+                    {
+
+                        location = Calculate(pos1, pos2, pos3, new float[2] { points[3].X, points[3].Y });
+                    }
+                    catch
+                    {
+                        continue;
+                    }
+
+                    // DrawLine(location);
 
 
-                    Calculate(pos1, pos2, pos3, new float[2] { points[3].X, points[3].Y });
+                    var points1 = new List<OpenCvSharp.Point>
+{
+    GetPoint(location[0]),
+    GetPoint(location[1]),
+    GetPoint(location[3]),
+    GetPoint(location[2])
+};
 
+                    // Zagnieźdź w dodatkową kolekcję:
+                    IEnumerable<IEnumerable<OpenCvSharp.Point>> contours = new[] { points1 };
+
+
+                    Cv2.FillPoly(frame, contours, Scalar.White);
+
+                    Cv2.PutText(frame, result.Text, new OpenCvSharp.Point((int)(pos2[0]-pos3[0])/2+(int)pos3[0]-160, (int)(pos2[1]-pos3[1])/2+(int)pos3[1]+60), HersheyFonts.HersheySimplex, 0.8, Scalar.Black, 2);
 
                     // Cv2.Circle(frame, (int)(RightBottomX), (int)(RightBottomY), 5, Scalar.Green, 2);  
 
@@ -74,12 +100,13 @@ namespace BarcodeReaderExample
 
 
 
+
                 // frame.SaveImage($"photos/photo_{photocount}.png");
                 // photocount++;
 
 
                 Cv2.ImShow("Camera preview", frame);
-                Thread.Sleep(1000 / 24);
+                // Thread.Sleep(1000 / 24);
                 // Console.WriteLine("tick");
                 int key = Cv2.WaitKey(1);
                 if (key == 27 || key == 'q')
@@ -89,7 +116,11 @@ namespace BarcodeReaderExample
             Cv2.DestroyAllWindows();
 
         }
-        static void Calculate(float[] pos1, float[] pos2, float[] pos3, float[] pos4)
+        static OpenCvSharp.Point GetPoint(PointF pointf)
+        {
+            return new OpenCvSharp.Point(pointf.X,pointf.Y);
+        }
+        static PointF[] Calculate(float[] pos1, float[] pos2, float[] pos3, float[] pos4)
         {
             // Your 4 detected points (change the names if needed)
             PointF p1 = new PointF(pos1[0], pos1[1]);
@@ -125,18 +156,26 @@ PointF topLeft     = Expand(p3);   // change order if needed
             PointF topRight = Expand(p2);
             PointF bottomRight = ExpandLB(p4);
             PointF bottomLeft = Expand(p1);
-
+            PointF[] Location = new PointF[] {topLeft,topRight,bottomLeft,bottomRight};
+            return Location;
             // 4. Now draw the 4 lines
             // Example with System.Drawing or Unity or whatever you use:
-DrawLine(topLeft, topRight);
+
-DrawLine(topRight, bottomRight);
-DrawLine(bottomRight, bottomLeft);
-DrawLine(bottomLeft, topLeft);
         }
         static void DrawLine(PointF p1, PointF p2)
         {
             Cv2.Line(frame, (int)p1.X, (int)p1.Y, (int)p2.X, (int)p2.Y, Scalar.Red, 2);
 
+        }
+        static void DrawLine(PointF[] Location)
+        {
+            DrawLine(Location[0], Location[1]);
+
+
+            DrawLine(Location[1], Location[2]);
+            DrawLine(Location[2], Location[3]);
+            DrawLine(Location[3], Location[0]);
+
         }
         static void DrawLine(float x1, float y1, float x2, float y2)
         {