修改图标的大果粒效果

v2rayN/v2rayN/Handler/MainFormHandler.cs

@@ -3,6 +3,7 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Drawing;
+using System.IO;
 using System.Net;
 using System.Net.Sockets;
 using System.Threading;
@@ -46,23 +47,25 @@ namespace v2rayN.Handler
                     //color = ColorTranslator.FromHtml(new string[] { "#CC0066", "#CC6600", "#99CC99", "#666699" }[index - 1]);
                 }
 
-                var width = 128;
+                //var width = 128;
-                var height = 128;
+                //var height = 128;
-
+                var width = 16;
+                var height = 16;
+                MemoryStream stream = new MemoryStream();
                 var bitmap = new Bitmap(width, height);
                 var graphics = Graphics.FromImage(bitmap);
                 var drawBrush = new SolidBrush(color);
 
                 graphics.FillEllipse(drawBrush, new Rectangle(0, 0, width, height));
                 var zoom = 16;
-                graphics.DrawImage(new Bitmap(Properties.Resources.notify, width - zoom, width - zoom), zoom / 2, zoom / 2);
+                graphics.DrawImage(new Bitmap(Properties.Resources.notify, 16, 16), 0, 0);
-
+                bitmap.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
-                Icon createdIcon = Icon.FromHandle(bitmap.GetHicon());
+                //Icon createdIcon = Icon.FromHandle(bitmap.GetHicon());
-
+                Icon createdIcon = PngIconConverter.IconFromImage(Image.FromStream(stream));
                 drawBrush.Dispose();
                 graphics.Dispose();
                 bitmap.Dispose();
-
+                stream.Dispose();
                 return createdIcon;
             }
             catch (Exception ex)

v2rayN/v2rayN/Handler/PngIconConverter.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace v2rayN.Handler
+{
+    public class PngIconConverter
+    {
+        /// <summary>
+        /// https://stackoverflow.com/questions/21387391/how-to-convert-an-image-to-an-icon-without-losing-transparency
+        /// 在不损失alpha的情况下，将png 转为ico
+        /// 此方法可能有局限性，但是此处适用
+        /// </summary>
+        /// <param name="img"></param>
+        /// <returns></returns>
+        public static Icon IconFromImage(Image img)
+        {
+            var ms = new System.IO.MemoryStream();
+            var bw = new System.IO.BinaryWriter(ms);
+            // Header
+            bw.Write((short)0);   // 0 : reserved
+            bw.Write((short)1);   // 2 : 1=ico, 2=cur
+            bw.Write((short)1);   // 4 : number of images
+                                  // Image directory
+            var w = img.Width;
+            if (w >= 256) w = 0;
+            bw.Write((byte)w);    // 0 : width of image
+            var h = img.Height;
+            if (h >= 256) h = 0;
+            bw.Write((byte)h);    // 1 : height of image
+            bw.Write((byte)0);    // 2 : number of colors in palette
+            bw.Write((byte)0);    // 3 : reserved
+            bw.Write((short)0);   // 4 : number of color planes
+            bw.Write((short)0);   // 6 : bits per pixel
+            var sizeHere = ms.Position;
+            bw.Write((int)0);     // 8 : image size
+            var start = (int)ms.Position + 4;
+            bw.Write(start);      // 12: offset of image data
+                                  // Image data
+            img.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
+            var imageSize = (int)ms.Position - start;
+            ms.Seek(sizeHere, System.IO.SeekOrigin.Begin);
+            bw.Write(imageSize);
+            ms.Seek(0, System.IO.SeekOrigin.Begin);
+
+            // And load it
+            return new Icon(ms);
+        }
+    }
+}

v2rayN/v2rayN/v2rayN.csproj

@@ -181,6 +181,7 @@
       <DependentUpon>SubSettingControl.cs</DependentUpon>
     </Compile>
     <Compile Include="Handler\MainFormHandler.cs" />
+    <Compile Include="Handler\PngIconConverter.cs" />
     <Compile Include="Handler\SpeedtestHandler.cs" />
     <Compile Include="Handler\StatisticsHandler.cs" />
     <Compile Include="Handler\DownloadHandle.cs" />