public static void Compress(byte[] dest, ref int destLength, byte[] source)
{
using (MemoryStream stream = new MemoryStream(dest, true))
{
using (ZLIBStream ds = new ZLIBStream(stream, CompressionMode.Compress, true))
{
ds.Write(source, 0, source.Length);
ds.Flush();
}
destLength = (int)stream.Position;
}
}
public static void ZLibCompress(Stream stream, Stream targetStream, CompressionLevel?level = null)
{
using (var zs = new ZLIBStream(targetStream, level ?? CompressionLevel.Optimal, true)) {
int bytesLeidos = 0;
byte[] buffer = new byte[1024];
stream.Seek(0, SeekOrigin.Begin);
while ((bytesLeidos = stream.Read(buffer, 0, buffer.Length)) > 0)
{
zs.Write(buffer, 0, bytesLeidos);
}
}
using (var bw = new BinaryWriter(targetStream))
bw.Write((uint)stream.Length);
}