วิธีการอัตโนมัติการบีบอัดภาพใน .NET

using Aspose.Imaging;

Metered license = new Metered();
license.SetMeteredKey("<your public key>", "<your private key>");
Console.WriteLine("Metered license configured successfully.");

using System.IO;
using Aspose.Imaging;
using Aspose.Imaging.ImageOptions;

string inputDirectory = @"c:\images\";
string outputDirectory = @"c:\compressed_images\";

foreach (var filePath in Directory.GetFiles(inputDirectory, "*.*"))
{
    using (var image = Image.Load(filePath))
    {
        var options = new JpegOptions
        {
            CompressionType = JpegCompressionMode.Progressive,
            Quality = 75
        };

        string outputPath = Path.Combine(outputDirectory, Path.GetFileName(filePath));
        image.Save(outputPath, options);

        Console.WriteLine($"Compressed image saved at: {outputPath}");
    }
}

foreach (var filePath in Directory.GetFiles(inputDirectory, "*.*"))
{
    using (var image = Image.Load(filePath))
    {
        ImageOptionsBase options;

        if (filePath.EndsWith(".png"))
        {
            options = new PngOptions
            {
                CompressionLevel = 9,
                ColorType = PngColorType.IndexedColor
            };
        }
        else if (filePath.EndsWith(".webp"))
        {
            options = new WebPOptions
            {
                Lossless = false,
                Quality = 50
            };
        }
        else
        {
            options = new JpegOptions
            {
                CompressionType = JpegCompressionMode.Progressive,
                Quality = 75
            };
        }

        string outputPath = Path.Combine(outputDirectory, Path.GetFileName(filePath));
        image.Save(outputPath, options);

        Console.WriteLine($"Compressed image saved at: {outputPath}");
    }
}