renew OpenCvSharp.DebuggerVisualizers

.cr/personal/FavoritesList/List.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Root Type="DevExpress.CodeRush.Foundation.CodePlaces.Options.FavoritesListContainer">
+  <Options Language="Neutral">
+    <Groups />
+  </Options>
+</Root>

src/OpenCvSharp.DebuggerVisualizers/ImageViewer.cs

@@ -11,6 +11,15 @@ public partial class ImageViewer : Form
         public ImageViewer()
         {
             InitializeComponent();
+            this.MouseWheel += MainForm_MouseWheel;
+            this.FormBorderStyle = FormBorderStyle.FixedSingle;
+            this.MouseMove += MainForm_MouseMove;
+            this.MouseDown += MainForm_MouseDown;
+
+            this.MouseUp += MainForm_MouseUp;
+
+            this.DoubleBuffered = true;
+
         }
 
         public ImageViewer(MatProxy proxy)
@@ -36,48 +45,120 @@ private void DisposeBitmap()
         {
             bitmap?.Dispose();
         }
+
 
-        protected override void OnLoad(EventArgs e)
+        /// <summary>
+        /// 最小缩放尺寸
+        /// </summary>
+        int minZoom = 1;
+
+        /// <summary>
+        /// 缩放尺寸
+        /// </summary>
+        int zoom = 1;
+        /// <summary>
+        /// 滚动缩放图片,像素级别放大,不模糊
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void MainForm_MouseWheel(object  sender, MouseEventArgs e)
         {
-            base.OnLoad(e);
+            if (e.Delta > 0)
+            {
+                zoom++;
+            }
+            else
+            { zoom--; }
 
-            var ratio = SetClientSize(new System.Drawing.Size(bitmap.Width, bitmap.Height));
-            DisplayRatio(ratio);
+            if (zoom < minZoom)
+            {
+                zoom = minZoom;
+            }
+            else if (zoom > 100)
+            {
+                zoom = 100;
+            }
 
-            pictureBox.Image = bitmap;
+            Zoom();
         }
-
         /// <summary>
-        /// ClientSizeを画面からはみ出ない大きさに調整して設定する.
+        /// 缩放图片的时候,更改winform的大小.
         /// </summary>
-        /// <param name="size"></param>
-        private double SetClientSize(System.Drawing.Size size)
+        private void Zoom()
         {
-            var screenSize = Screen.PrimaryScreen.Bounds.Size;
-            var ratioX = (double)screenSize.Width / size.Width;
-            var ratioY = (double)screenSize.Height / size.Height;
-            var ratio = Math.Max(ratioX, ratioY);
-            ratio = ReformRatio(ratio);
-            size.Width = Convert.ToInt32(size.Width * ratio);
-            size.Height = Convert.ToInt32(size.Height * ratio);
-            ClientSize = size;
-            pictureBox.Size = size;
-            return ratio;
+            if (bitmap != null)
+            {
+                var bitmap2 = new Bitmap(bitmap, bitmap.Width * zoom, bitmap.Height * zoom);
+                using (Graphics graphics = Graphics.FromImage(bitmap2))
+                {
+                    graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
+                    graphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.Half;
+                    graphics.DrawImage(bitmap, new Rectangle(0, 0, bitmap2.Width, bitmap2.Height));
+                }
+                this.BackgroundImage = bitmap2;
+                this.ClientSize = bitmap2.Size;
+            }
         }
+        protected override void OnLoad(EventArgs e)
+        {
+            base.OnLoad(e);
+
+            this.BackgroundImage = bitmap;
+            this.BackgroundImageLayout = ImageLayout.Center;
+
+            while (BackgroundImage.Size.Width < 120|| BackgroundImage.Size.Height<80)
+            {
+                zoom++;
+                Zoom();
+                minZoom = zoom;            }
+            this.ClientSize = BackgroundImage.Size;
+
+        }
+        private void MainForm_MouseMove(object sender, MouseEventArgs e)
+        {
+            //获取当前鼠标处的像素点的值
+
+            if (isDragging)
+            {
+                this.Left += e.X - offsetX;
+                this.Top += e.Y - offsetY;
+            } 
+            else if (bitmap != null)
+            {
+                try
+                {
+                    var color = bitmap.GetPixel(e.X / zoom, e.Y / zoom);
+                    this.Text = $"看图-X:{e.X / zoom} Y:{e.Y / zoom} R:{color.R} G:{color.G} B:{color.B}";
+                }
+                catch (Exception ex)
+                {
+
+                }
 
-        private double ReformRatio(double ratio)
+            }
+
+        }
+        private bool isDragging;
+        private int offsetX;
+        private int offsetY;
+        private void MainForm_MouseDown(object sender, MouseEventArgs e)
         {
-            var v1 = ratio;
-            var lg2 = Math.Log(v1, 2);
-            var lgz = Math.Floor(lg2);
-            var pw = lgz == lg2 ? lgz - 1 : lgz;
-            var r = Math.Pow(2, pw);
-            return r;
+            if (e.Button == MouseButtons.Left)
+            {
+                isDragging = true;
+                offsetX = e.X;
+                offsetY = e.Y;
+            }
         }
 
-        private void DisplayRatio(double ratio)
+
+
+        private void MainForm_MouseUp(object sender, MouseEventArgs e)
         {
-            Text = $@"ImageViewer Zoom: {ratio:P1}";
+            if (e.Button == MouseButtons.Left)
+            {
+                isDragging = false;
+            }
         }
     }
 }