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");
@@ -54,17 +55,42 @@ namespace BarcodeReaderExample
                 if (result != null)
                 {
                     List<ResultPoint> points = result.ResultPoints.ToList();
-                    float[] pos1 =   new float[2] {points[0].X, points[0].Y}; /// lewy dolny róg
+                    float[] pos1 = new float[2] { points[0].X, points[0].Y }; /// lewy dolny róg
-                    float[] pos2 =   new float[2] {points[2].X, points[2].Y};   ///prawy górny róg
+                    float[] pos2 = new float[2] { points[2].X, points[2].Y };   ///prawy górny róg
                     float[] pos3 = new float[2] { points[1].X, points[1].Y };   ///lewy górny róg
 
                     // 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')
@@ -89,54 +116,66 @@ 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]);
+            PointF p1 = new PointF(pos1[0], pos1[1]);
-PointF p2 = new PointF(pos2[0], pos2[1]);
+            PointF p2 = new PointF(pos2[0], pos2[1]);
-PointF p3 = new PointF(pos3[0], pos3[1]);
+            PointF p3 = new PointF(pos3[0], pos3[1]);
-PointF p4 = new PointF(pos4[0], pos4[1]);
+            PointF p4 = new PointF(pos4[0], pos4[1]);
 
-// 1. Find the center of the QR
+            // 1. Find the center of the QR
-float centerX = (p1.X + p2.X + p3.X + p4.X) / 4f;
+            float centerX = (p1.X + p2.X + p3.X + p4.X) / 4f;
-float centerY = (p1.Y + p2.Y + p3.Y + p4.Y) / 4f;
+            float centerY = (p1.Y + p2.Y + p3.Y + p4.Y) / 4f;
-PointF center = new PointF(centerX, centerY);
+            PointF center = new PointF(centerX, centerY);
 
-// 2. How much bigger you want the box (1.0 = exact size, 1.15 = 15% bigger)
+            // 2. How much bigger you want the box (1.0 = exact size, 1.15 = 15% bigger)
-float scale = 1.35f;   // ← change this value
+            float scale = 1.35f;   // ← change this value
 
-// 3. Move every corner away from the center
+            // 3. Move every corner away from the center
-PointF Expand(PointF p)
+            PointF Expand(PointF p)
-{
+            {
-    float dx = p.X - center.X;
+                float dx = p.X - center.X;
-    float dy = p.Y - center.Y;
+                float dy = p.Y - center.Y;
-    return new PointF(center.X + dx * scale, center.Y + dy * scale);
+                return new PointF(center.X + dx * scale, center.Y + dy * scale);
-}
+            }
 
-float scaleLB = 1.75f;   // ← change this value
+            float scaleLB = 1.75f;   // ← change this value
-PointF ExpandLB(PointF p)
+            PointF ExpandLB(PointF p)
-{
+            {
-    float dx = p.X - center.X;
+                float dx = p.X - center.X;
-    float dy = p.Y - center.Y;
+                float dy = p.Y - center.Y;
-    return new PointF(center.X + dx * scaleLB, center.Y + dy * scaleLB);
+                return new PointF(center.X + dx * scaleLB, center.Y + dy * scaleLB);
-}
+            }
 
-PointF topLeft     = Expand(p3);   // change order if needed
+            PointF topLeft = Expand(p3);   // change order if needed
-PointF topRight    = Expand(p2);
+            PointF topRight = Expand(p2);
-PointF bottomRight = ExpandLB(p4);
+            PointF bottomRight = ExpandLB(p4);
-PointF bottomLeft  = Expand(p1);
+            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:
 
-// 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)
         {