大型ドキュメントアーカイブのデッキングおよび輸出を自動化する方法

string rootDir = "./archive_input";
string outputDir = "./archive_output";
Directory.CreateDirectory(outputDir);

// All supported types: jpg, png, tif, bmp, gif, etc.
var files = Directory.GetFiles(rootDir, "*.*", SearchOption.AllDirectories)
    .Where(f => f.EndsWith(".jpg", StringComparison.OrdinalIgnoreCase)
             || f.EndsWith(".jpeg", StringComparison.OrdinalIgnoreCase)
             || f.EndsWith(".png", StringComparison.OrdinalIgnoreCase)
             || f.EndsWith(".tif", StringComparison.OrdinalIgnoreCase)
             || f.EndsWith(".tiff", StringComparison.OrdinalIgnoreCase)
             || f.EndsWith(".bmp", StringComparison.OrdinalIgnoreCase)
             || f.EndsWith(".gif", StringComparison.OrdinalIgnoreCase))
    .ToArray();

using Aspose.Imaging;
using Aspose.Imaging.ImageOptions;

List<string> failedFiles = new List<string>();
foreach (var file in files)
{
    try
    {
        using (var image = (RasterImage)Image.Load(file))
        {
            image.NormalizeAngle(false, Color.White);
            string relPath = Path.GetRelativePath(rootDir, file);
            string outPath = Path.Combine(outputDir, relPath);
            Directory.CreateDirectory(Path.GetDirectoryName(outPath));
            image.Save(outPath, new TiffOptions(TiffExpectedFormat.Default));
        }
    }
    catch (Exception ex)
    {
        failedFiles.Add($"{file}: {ex.Message}");
    }
}

// Save log for failed files
File.WriteAllLines(Path.Combine(outputDir, "deskew_failed_files.log"), failedFiles);