添加图标提取器代码

tools/ico_extractor/IconExtractorHelper.cs

@@ -0,0 +1,73 @@
+using System;
+using System.Drawing;
+using System.IO;
+using System.Collections.Generic;
+
+namespace AppStore.Tools.IconExtractor
+{
+    public static class IconExtractorHelper
+    {
+        /// <summary>
+        /// 将图标转换为位图
+        /// </summary>
+        public static Bitmap ConvertIconToBitmap(Icon icon, Size size)
+        {
+            Bitmap bitmap = new Bitmap(size.Width, size.Height);
+            using (Graphics g = Graphics.FromImage(bitmap))
+            {
+                g.DrawIcon(icon, new Rectangle(0, 0, size.Width, size.Height));
+            }
+            return bitmap;
+        }
+
+        /// <summary>
+        /// 批量提取文件中的所有图标
+        /// </summary>
+        public static List<Icon> ExtractAllIcons(string filePath)
+        {
+            List<Icon> icons = new List<Icon>();
+            int count = IconExtractor.GetIconCount(filePath);
+            
+            for (int i = 0; i < count; i++)
+            {
+                try
+                {
+                    Icon icon = IconExtractor.ExtractIconFromFile(filePath, i);
+                    icons.Add(icon);
+                }
+                catch
+                {
+                    // 忽略提取失败的图标
+                }
+            }
+            
+            return icons;
+        }
+
+        /// <summary>
+        /// 将图标保存为PNG格式
+        /// </summary>
+        public static void SaveIconAsPng(Icon icon, string outputPath)
+        {
+            using (Bitmap bitmap = icon.ToBitmap())
+            {
+                bitmap.Save(outputPath, System.Drawing.Imaging.ImageFormat.Png);
+            }
+        }
+
+        /// <summary>
+        /// 检查文件是否包含图标
+        /// </summary>
+        public static bool HasIcons(string filePath)
+        {
+            try
+            {
+                return IconExtractor.GetIconCount(filePath) > 0;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+    }
+}