///<summary>
/// Create a <c>ZlibStream</c> using the specified <c>CompressionMode</c> and the specified <c>CompressionLevel</c> , and explicitly specify whether the stream should be left open after Deflation or Inflation.
///</summary>
///<remarks>
/// <para>This constructor allows the application to request that the captive
/// stream remain open after the deflation or inflation occurs. By
/// default, after
/// <c>Close()</c>
/// is called on the stream, the captive
/// stream is also closed. In some cases this is not desired, for example
/// if the stream is a
/// <see cref="System.IO.MemoryStream" />
/// that will be
/// re-read after compression. Specify true for the
/// <paramref name="leaveOpen" />
/// parameter to leave the stream open.</para> <para>When mode is
/// <c>CompressionMode.Decompress</c>
/// , the level parameter is
/// ignored.</para>
///</remarks>
///<example>
/// This example shows how to use a ZlibStream to compress the data from a file, and store the result into another file. The filestream remains open to allow additional data to be written to it. <code>using (var output = System.IO.File.Create(fileToCompress + ".zlib"))
/// {
/// using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
/// {
/// using (Stream compressor = new ZlibStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, true))
/// {
/// byte[] buffer = new byte[WORKING_BUFFER_SIZE];
/// int n;
/// while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
/// {
/// compressor.Write(buffer, 0, n);
/// }
/// }
/// }
/// // can write additional data to the output stream here
/// }</code> <code lang="VB">Using output As FileStream = File.Create(fileToCompress & ".zlib")
/// Using input As Stream = File.OpenRead(fileToCompress)
/// Using compressor As Stream = New ZlibStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, True)
/// Dim buffer As Byte() = New Byte(4096) {}
/// Dim n As Integer = -1
/// Do While (n <> 0)
/// If (n > 0) Then
/// compressor.Write(buffer, 0, n)
/// End If
/// n = input.Read(buffer, 0, buffer.Length)
/// Loop
/// End Using
/// End Using
/// ' can write additional data to the output stream here.
/// End Using</code>
///</example>
///<param name="stream"> The stream which will be read or written. </param>
///<param name="mode"> Indicates whether the ZlibStream will compress or decompress. </param>
///<param name="leaveOpen"> true if the application would like the stream to remain open after inflation/deflation. </param>
///<param name="level"> A tuning knob to trade speed for effectiveness. This parameter is effective only when mode is <c>CompressionMode.Compress</c> . </param>
public ZlibStream(Stream stream, CompressionMode mode, CompressionLevel level, bool leaveOpen)
{
_baseStream = new ZlibBaseStream(stream, mode, level, ZlibStreamFlavor.ZLIB, leaveOpen);
}
///<summary>
/// Create a <c>DeflateStream</c> using the specified <c>CompressionMode</c> and the specified <c>CompressionLevel</c> , and explicitly specify whether the stream should be left open after Deflation or Inflation.
///</summary>
///<remarks>
/// <para>When mode is
/// <c>CompressionMode.Decompress</c>
/// , the level parameter is ignored.</para> <para>This constructor allows the application to request that the captive stream
/// remain open after the deflation or inflation occurs. By default, after
/// <c>Close()</c>
/// is called on the stream, the captive stream is also
/// closed. In some cases this is not desired, for example if the stream is a
/// <see cref="System.IO.MemoryStream" />
/// that will be re-read after
/// compression. Specify true for the
/// <paramref name="leaveOpen" />
/// parameter
/// to leave the stream open.</para>
///</remarks>
///<example>
/// This example shows how to use a <c>DeflateStream</c> to compress data from a file, and store the compressed data into another file. <code>using (var output = System.IO.File.Create(fileToCompress + ".deflated"))
/// {
/// using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
/// {
/// using (Stream compressor = new DeflateStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, true))
/// {
/// byte[] buffer = new byte[WORKING_BUFFER_SIZE];
/// int n= -1;
/// while (n != 0)
/// {
/// if (n > 0)
/// compressor.Write(buffer, 0, n);
/// n= input.Read(buffer, 0, buffer.Length);
/// }
/// }
/// }
/// // can write additional data to the output stream here
/// }</code> <code lang="VB">Using output As FileStream = File.Create(fileToCompress & ".deflated")
/// Using input As Stream = File.OpenRead(fileToCompress)
/// Using compressor As Stream = New DeflateStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, True)
/// Dim buffer As Byte() = New Byte(4096) {}
/// Dim n As Integer = -1
/// Do While (n <> 0)
/// If (n > 0) Then
/// compressor.Write(buffer, 0, n)
/// End If
/// n = input.Read(buffer, 0, buffer.Length)
/// Loop
/// End Using
/// End Using
/// ' can write additional data to the output stream here.
/// End Using</code>
///</example>
///<param name="stream"> The stream which will be read or written. </param>
///<param name="mode"> Indicates whether the DeflateStream will compress or decompress. </param>
///<param name="leaveOpen"> true if the application would like the stream to remain open after inflation/deflation. </param>
///<param name="level"> A tuning knob to trade speed for effectiveness. </param>
public DeflateStream(Stream stream, CompressionMode mode, CompressionLevel level, bool leaveOpen)
{
_innerStream = stream;
_baseStream = new ZlibBaseStream(stream, mode, level, ZlibStreamFlavor.DEFLATE, leaveOpen);
}
///<summary>
/// Create a <c>ZlibStream</c> using the specified <c>CompressionMode</c> and the specified <c>CompressionLevel</c> , and explicitly specify whether the stream should be left open after Deflation or Inflation.
///</summary>
///<remarks>
/// <para>This constructor allows the application to request that the captive
/// stream remain open after the deflation or inflation occurs. By
/// default, after
/// <c>Close()</c>
/// is called on the stream, the captive
/// stream is also closed. In some cases this is not desired, for example
/// if the stream is a
/// <see cref="System.IO.MemoryStream" />
/// that will be
/// re-read after compression. Specify true for the
/// <paramref name="leaveOpen" />
/// parameter to leave the stream open.</para> <para>When mode is
/// <c>CompressionMode.Decompress</c>
/// , the level parameter is
/// ignored.</para>
///</remarks>
///<example>
/// This example shows how to use a ZlibStream to compress the data from a file, and store the result into another file. The filestream remains open to allow additional data to be written to it. <code>using (var output = System.IO.File.Create(fileToCompress + ".zlib"))
/// {
/// using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
/// {
/// using (Stream compressor = new ZlibStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, true))
/// {
/// byte[] buffer = new byte[WORKING_BUFFER_SIZE];
/// int n;
/// while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
/// {
/// compressor.Write(buffer, 0, n);
/// }
/// }
/// }
/// // can write additional data to the output stream here
/// }</code> <code lang="VB">Using output As FileStream = File.Create(fileToCompress & ".zlib")
/// Using input As Stream = File.OpenRead(fileToCompress)
/// Using compressor As Stream = New ZlibStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, True)
/// Dim buffer As Byte() = New Byte(4096) {}
/// Dim n As Integer = -1
/// Do While (n <> 0)
/// If (n > 0) Then
/// compressor.Write(buffer, 0, n)
/// End If
/// n = input.Read(buffer, 0, buffer.Length)
/// Loop
/// End Using
/// End Using
/// ' can write additional data to the output stream here.
/// End Using</code>
///</example>
///<param name="stream"> The stream which will be read or written. </param>
///<param name="mode"> Indicates whether the ZlibStream will compress or decompress. </param>
///<param name="leaveOpen"> true if the application would like the stream to remain open after inflation/deflation. </param>
///<param name="level"> A tuning knob to trade speed for effectiveness. This parameter is effective only when mode is <c>CompressionMode.Compress</c> . </param>
public ZlibStream(Stream stream, CompressionMode mode, CompressionLevel level, bool leaveOpen)
{
_baseStream = new ZlibBaseStream(stream, mode, level, ZlibStreamFlavor.ZLIB, leaveOpen);
}