/// <summary>
/// Writes compressed data to the given stream.
/// </summary>
/// <param name="uncompressedStream">A stream where the compressed data should be written.</param>
/// <param name="level">The Zlib compression level that should be used. Default is Z_BEST_COMPRESSION = 9.</param>
public ZlibCompressedWriter(Stream uncompressedStream, int level = 9)
: base(uncompressedStream)
{
/* Since we need to write the number of compressed bytes that we are going to send first,
* We cannot directly write to the uncompressedStream.
* We first write the compressed data to zMemoryStream, and after that we write the data from it to the uncompressedStream
* using CompressedWriter.
*/
zMemoryStream = new MemoryStream();
zCompressStream = new ZOutputStream(zMemoryStream, level)
{
//The VNC Protocol uses Z_SYNC_FLUSH as a Flush Mode
FlushMode = zlibConst.Z_SYNC_FLUSH
};
Level = level;
compressedWriter = new BinaryWriter(uncompressedStream);
bigWriter = new BigEndianBinaryWriter(uncompressedStream);
}
/// <summary>
/// Writes compressed data to the given stream.
/// </summary>
/// <param name="uncompressedStream">A stream where the compressed data should be written.</param>
/// <param name="level">The Zlib compression level that should be used. Default is Z_BEST_COMPRESSION = 9.</param>
public ZlibCompressedWriter(Stream uncompressedStream, int level = 9)
: base(uncompressedStream)
{
/* Since we need to write the number of compressed bytes that we are going to send first,
* We cannot directly write to the uncompressedStream.
* We first write the compressed data to zMemoryStream, and after that we write the data from it to the uncompressedStream
* using CompressedWriter.
*/
zMemoryStream = new MemoryStream();
zCompressStream = new ZOutputStream(zMemoryStream, level)
{
//The VNC Protocol uses Z_SYNC_FLUSH as a Flush Mode
FlushMode = zlibConst.Z_SYNC_FLUSH
};
Level = level;
compressedWriter = new BinaryWriter(uncompressedStream);
bigWriter = new BigEndianBinaryWriter(uncompressedStream);
}