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https://github.com/zs-yg/kortapp-z.git
synced 2025-12-06 16:10:42 +08:00
增强调试信息
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zsyg
@@ -1,104 +1,179 @@
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using System;
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using System.Drawing;
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using System.Runtime.InteropServices;
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using System.IO;
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using System.Collections.Generic;
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using System.Diagnostics.CodeAnalysis;
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namespace AppStore.Tools.IconExtractor
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{
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public static class IconExtractor
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{
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/// <summary>
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/// 获取ICO文件中的实际尺寸列表
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/// </summary>
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public static List<int> GetIconDimensions(string filePath)
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{
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var sizes = new List<int>();
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try
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{
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using (var fs = new FileStream(filePath, FileMode.Open, FileAccess.Read))
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using (var reader = new BinaryReader(fs))
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{
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// 读取ICO文件头
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reader.ReadUInt16(); // 保留字段
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ushort type = reader.ReadUInt16(); // 1=ICO, 2=CUR
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ushort count = reader.ReadUInt16(); // 图像数量
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if (type != 1) return sizes; // 不是ICO文件
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// 读取每个图像目录项
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for (int i = 0; i < count; i++)
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{
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byte width = reader.ReadByte();
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byte height = reader.ReadByte();
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reader.ReadBytes(14); // 跳过其他字段
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// 宽度/高度为0表示256像素
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int size = width == 0 ? 256 : width;
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sizes.Add(size);
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}
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}
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}
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catch
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{
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// 忽略所有错误，返回空列表
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}
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return sizes;
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}
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[DllImport("shell32.dll", CharSet = CharSet.Auto)]
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private static extern int ExtractIconEx(
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string lpszFile,
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int nIconIndex,
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[AllowNull] IntPtr[] phiconLarge,
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[AllowNull] IntPtr[] phiconSmall,
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int nIcons);
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[DllImport("user32.dll", CharSet = CharSet.Auto)]
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private static extern bool DestroyIcon(IntPtr handle);
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/// <summary>
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/// 从文件中提取图标
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/// </summary>
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/// <param name="filePath">文件路径</param>
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/// <param name="iconIndex">图标索引</param>
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/// <param name="largeIcon">是否提取大图标</param>
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/// <returns>提取的图标</returns>
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public static Icon ExtractIconFromFile(string filePath, int iconIndex = 0)
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{
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IntPtr[] hIcons = new IntPtr[1];
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int extractedCount = ExtractIconEx(filePath, iconIndex, hIcons, null, 1);
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if (extractedCount <= 0 || hIcons[0] == IntPtr.Zero)
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throw new FileNotFoundException("无法从文件中提取图标");
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// 直接返回原始图标
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Icon icon = (Icon)Icon.FromHandle(hIcons[0]).Clone();
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DestroyIcon(hIcons[0]);
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return icon;
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}
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/// <summary>
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/// 将图标保存为文件
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/// </summary>
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/// <param name="icon">图标对象</param>
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/// <param name="outputPath">输出路径</param>
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public static void SaveIconToFile(Icon icon, string outputPath)
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{
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using (FileStream fs = new FileStream(outputPath, FileMode.Create))
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{
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icon.Save(fs);
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}
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}
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/// <summary>
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/// 获取文件中的图标数量
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/// </summary>
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/// <param name="filePath">文件路径</param>
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/// <returns>图标数量</returns>
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public static int GetIconCount(string filePath)
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{
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return ExtractIconEx(filePath, -1, null, null, 0);
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}
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}
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}
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using System;
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using System.Drawing;
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using System.Runtime.InteropServices;
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using System.IO;
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using System.Collections.Generic;
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using System.Diagnostics.CodeAnalysis;
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namespace AppStore.Tools.IconExtractor
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{
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public static class IconExtractor
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{
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/// <summary>
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/// 获取ICO文件中的实际尺寸列表
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/// </summary>
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public static List<int> GetIconDimensions(string filePath)
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{
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var sizes = new List<int>();
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try
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{
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using (var fs = new FileStream(filePath, FileMode.Open, FileAccess.Read))
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using (var reader = new BinaryReader(fs))
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{
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// 读取ICO文件头
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reader.ReadUInt16(); // 保留字段
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ushort type = reader.ReadUInt16(); // 1=ICO, 2=CUR
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ushort count = reader.ReadUInt16(); // 图像数量
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if (type != 1) return sizes; // 不是ICO文件
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// 读取每个图像目录项
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for (int i = 0; i < count; i++)
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{
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byte width = reader.ReadByte();
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byte height = reader.ReadByte();
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reader.ReadBytes(14); // 跳过其他字段
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// 宽度/高度为0表示256像素
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int size = width == 0 ? 256 : width;
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sizes.Add(size);
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}
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}
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}
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catch
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{
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// 忽略所有错误，返回空列表
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}
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return sizes;
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}
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[DllImport("shell32.dll", CharSet = CharSet.Auto)]
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private static extern int ExtractIconEx(
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string lpszFile,
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int nIconIndex,
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[AllowNull] IntPtr[] phiconLarge,
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[AllowNull] IntPtr[] phiconSmall,
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int nIcons);
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[DllImport("user32.dll", CharSet = CharSet.Auto)]
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private static extern bool DestroyIcon(IntPtr handle);
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/// <summary>
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/// 从文件中提取图标
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/// </summary>
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/// <param name="filePath">文件路径</param>
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/// <param name="iconIndex">图标索引</param>
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/// <param name="largeIcon">是否提取大图标</param>
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/// <returns>提取的图标</returns>
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public enum IconSize
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{
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Large,
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Small
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}
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public static Icon ExtractIconFromFile(string filePath, int iconIndex = 0, IconSize size = IconSize.Large)
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{
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if (string.IsNullOrWhiteSpace(filePath))
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throw new ArgumentNullException(nameof(filePath));
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// 增强文件检查
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try
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{
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// 规范化路径
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filePath = Path.GetFullPath(filePath);
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// 检查文件属性（比File.Exists更可靠）
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var fileInfo = new FileInfo(filePath);
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if (!fileInfo.Exists)
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{
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throw new FileNotFoundException($"文件不存在或无法访问: {filePath}\n" +
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$"当前工作目录: {Environment.CurrentDirectory}\n" +
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$"绝对路径: {Path.GetFullPath(filePath)}");
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}
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// 尝试打开文件测试是否被锁定
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try
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{
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using (var stream = fileInfo.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
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{
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// 文件可访问
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}
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}
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catch (IOException ioEx)
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{
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throw new IOException($"文件被锁定或无法访问: {filePath}", ioEx);
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}
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}
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catch (Exception ex)
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{
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throw new FileNotFoundException($"无法访问文件: {filePath}\n" +
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$"错误详情: {ex.Message}", ex);
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}
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// 尝试从索引0到3提取图标
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for (int i = 0; i < 4; i++)
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{
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IntPtr[] hLargeIcons = new IntPtr[1];
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IntPtr[] hSmallIcons = new IntPtr[1];
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int extractedCount = ExtractIconEx(filePath, i, hLargeIcons, hSmallIcons, 1);
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if (extractedCount > 0)
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{
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IntPtr hIcon = size == IconSize.Large ? hLargeIcons[0] : hSmallIcons[0];
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if (hIcon == IntPtr.Zero)
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{
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// 回退到另一种尺寸
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hIcon = size == IconSize.Large ? hSmallIcons[0] : hLargeIcons[0];
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}
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if (hIcon != IntPtr.Zero)
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{
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try
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{
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Icon icon = (Icon)Icon.FromHandle(hIcon).Clone();
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return icon;
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}
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finally
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{
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if (hLargeIcons[0] != IntPtr.Zero) DestroyIcon(hLargeIcons[0]);
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if (hSmallIcons[0] != IntPtr.Zero) DestroyIcon(hSmallIcons[0]);
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}
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}
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}
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}
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// 尝试使用ExtractAssociatedIcon作为后备方案
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try
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{
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return Icon.ExtractAssociatedIcon(filePath);
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}
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catch (Exception ex)
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{
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throw new InvalidOperationException($"无法从文件中提取图标(尝试了索引0-3和ExtractAssociatedIcon)", ex);
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}
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}
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/// <summary>
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/// 将图标保存为文件
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/// </summary>
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/// <param name="icon">图标对象</param>
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/// <param name="outputPath">输出路径</param>
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public static void SaveIconToFile(Icon icon, string outputPath)
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{
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using (FileStream fs = new FileStream(outputPath, FileMode.Create))
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{
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icon.Save(fs);
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}
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}
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/// <summary>
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/// 获取文件中的图标数量
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/// </summary>
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/// <param name="filePath">文件路径</param>
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/// <returns>图标数量</returns>
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public static int GetIconCount(string filePath)
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{
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return ExtractIconEx(filePath, -1, null, null, 0);
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}
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}
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}
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