NET で高度なオプションで Vector と Raster 画像を圧縮する方法

using Aspose.Imaging;

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

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

string inputPath = @"c:\images\input.png";
string outputPath = @"c:\output\compressed_raster.png";

using (var image = Image.Load(inputPath))
{
    var pngOptions = new PngOptions
    {
        CompressionLevel = 9,
        ColorType = PngColorType.IndexedColor,
        Palette = ColorPaletteHelper.GetCloseImagePalette((RasterImage)image, 256)
    };

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

string inputPath = @"c:\images\input.jpg";
string outputPath = @"c:\output\compressed_raster.jpg";

using (var image = Image.Load(inputPath))
{
    var jpegOptions = new JpegOptions
    {
        CompressionType = JpegCompressionMode.Progressive,
        Quality = 70
    };

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

string inputPath = @"c:\images\input.svg";
string outputPath = @"c:\output\compressed_vector.svgz";

using (var image = Image.Load(inputPath))
{
    var svgOptions = new SvgOptions
    {
        Compress = true
    };

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

string inputPath = @"c:\images\input.eps";
string outputPath = @"c:\output\compressed_vector.eps";

using (var image = Image.Load(inputPath))
{
    var epsOptions = new EpsRasterizationOptions
    {
        PageWidth = image.Width,
        PageHeight = image.Height
    };

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