LiZlib.cs

using System.IO;
using zlib;

namespace Li.Zlib
{
    public class LiZlib
    {
        public static void CopyStream(Stream input, Stream output)
        {
            byte[] buffer = new byte[2000];
            int count;
            while ((count = input.Read(buffer, 0, 2000)) > 0)
            {
                output.Write(buffer, 0, count);
            }
            output.Flush();
        }

        public static byte[] compressBytes(byte[] sourceByte)
        {
            MemoryStream memoryStream = new MemoryStream(sourceByte);
            Stream stream = compressStream(memoryStream);
            byte[] array = new byte[stream.Length];
            stream.Position = 0L;
            stream.Read(array, 0, array.Length);
            stream.Close();
            memoryStream.Close();
            return array;
        }

        public static byte[] deCompressBytes(byte[] sourceByte)
        {
            MemoryStream memoryStream = new MemoryStream(sourceByte);
            Stream stream = deCompressStream(memoryStream);
            byte[] array = new byte[stream.Length];
            stream.Position = 0L;
            stream.Read(array, 0, array.Length);
            stream.Close();
            memoryStream.Close();
            return array;
        }

        public static Stream compressStream(Stream sourceStream)
        {
            MemoryStream memoryStream = new MemoryStream();
            ZOutputStream zOutputStream = new ZOutputStream(memoryStream, -1);
            CopyStream(sourceStream, zOutputStream);
            zOutputStream.finish();
            return memoryStream;
        }

        public static Stream deCompressStream(Stream sourceStream)
        {
            MemoryStream memoryStream = new MemoryStream();
            ZOutputStream zOutputStream = new ZOutputStream(memoryStream);
            CopyStream(sourceStream, zOutputStream);
            zOutputStream.finish();
            return memoryStream;
        }
    }
}