Delete directory 'cache'

shots

Program.cs

@@ -6,6 +6,8 @@ using ZXing.Windows.Compatibility;
 using ZXing.Common;
 using System.Runtime.InteropServices;
 using System.Drawing;
+using System.Net;
+
 // using Emgu.CV.CvEnum;
 
 
@@ -22,11 +24,15 @@ namespace BarcodeReaderExample
 
             camera.Set(VideoCaptureProperties.FrameWidth, 1280);
             camera.Set(VideoCaptureProperties.FrameHeight, 720);
-            camera.Set(VideoCaptureProperties.Fps, 60);
-
+            camera.Set(VideoCaptureProperties.Fps, 24);
+            if(Directory.Exists("cache"))
+            {
+                Directory.Delete("cache",true);
+            }
 
+            Directory.CreateDirectory("cache");
             Mat hey = new Mat("photo.png");
-
+            Mat[] Cached = new Mat[10];
 
 
             using var rgb = new Mat();
@@ -39,8 +45,12 @@ namespace BarcodeReaderExample
 
             Cv2.NamedWindow("Camera preview", WindowFlags.AutoSize);
             int photocount = 0;
+                    Mat src = Cv2.ImRead("test.png");
 
 
+
+            string[] files = new string[10];
+            int files_index =0;
             while (true)
             {
                 // if (!camera.Read(frame) || frame.Empty())
@@ -58,7 +68,8 @@ namespace BarcodeReaderExample
                     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[] pos3 = new float[2] { points[1].X, points[1].Y };   ///lewy górny róg
-
+                    int width = (int)(pos2[0] - pos3[0]);
+                    int heigh = (int)(pos1[1] - pos3[1]);
                     // 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);  
@@ -73,7 +84,16 @@ namespace BarcodeReaderExample
                         continue;
                     }
 
-                    // DrawLine(location);
+
+                    // Mat roi = frame[new Rect((int)pos3[0],(int)pos3[1], src.Width+3, src.Height)];
+                    Mat roi = frame[new Rect((int)pos3[0], (int)pos3[1], width,heigh)];
+                    src.CopyTo(roi);
+                    // Console.WriteLine($"szerokość:{width}");
+                    // Console.WriteLine($"wysokosc:{heigh}");
+                    // Console.WriteLine($"x:{pos3[0]}");
+                    // Console.WriteLine($"y:{pos3[1]}");
+
+                    // DrawLine(location);    //draw red squre
 
 
                     var points1 = new List<OpenCvSharp.Point>
@@ -88,14 +108,45 @@ namespace BarcodeReaderExample
                     IEnumerable<IEnumerable<OpenCvSharp.Point>> contours = new[] { points1 };
 
 
-                    Cv2.FillPoly(frame, contours, Scalar.White);
+                    // Cv2.FillPoly(frame, contours, Scalar.White);   // fill with 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);
 
+                    if (!files.Contains(result.Text))
+                    {
+                        files[files_index] = result.Text;
+                    Console.WriteLine("downloading: "+result.Text);
+
+                        using (var client = new WebClient())
+                        {
+                            client.DownloadFile(result.Text, "cache/"+files_index + ".png");
+                            // Thread.Sleep(2000);
+
+                        }
+                        Cached[files_index] = new Mat("cache/" + files_index + ".png");
+                        files_index++;
+                    }
+                    else
+                    {
+                        // try
+                        // {
+
+                        int toload = files.IndexOf(result.Text);
+
+                            Mat roi2 = frame[new Rect((int)pos3[0], (int)pos3[1], Cached[toload].Width, Cached[toload].Height)];
+                            Cached[toload].CopyTo(roi2);
+                            // Console.WriteLine("work");
+                        // }
+                        // catch { }
+                    }
+
+
+                    // Cv2.draw
+
                     // Cv2.Circle(frame, (int)(RightBottomX), (int)(RightBottomY), 5, Scalar.Green, 2);  
 
                     //Cv2.Rectangle(frame, new Point((int)X, (int)Y), new Point ((int)Width, (int)Height), Scalar.Red, 2); 
-                    Console.WriteLine(result.Text);
+                    // Console.WriteLine(result.Text);
                 }
 
 
@@ -106,7 +157,7 @@ namespace BarcodeReaderExample
 
 
                 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')