ضغط الصورة ل.NET

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using System;
 using Aspose.Imaging;

namespace CSharpTutorials
{
    class Program
    {
        static void Main(string[] args)
        {
            Metered metered = new Metered();
            metered.SetLicense("***********", // public key
                               "***********"  // private key
                              );

            // This code compresses png             
            using (var image = Image.Load("tiger.png"))
            {
                image.Save("tiger_compressed.png", new PngOptions
                {
                    CompressionLevel = 9,
                    Progressive = true,
                    ColorType = PngColorType.IndexedColor,
                    Palette = ColorPaletteHelper.GetCloseImagePalette((RasterImage)image, 1 << 5)
                });
            }
        }
    }
}