/// <summary>
/// deflater压缩
/// </summary>
/// <param name="inputByte"></param>
/// <returns></returns>
public static byte[] deflater(byte[] inputByte)
{
byte[] temp = new byte[1024];
MemoryStream memory = new MemoryStream();
ICSharpCode.SharpZipLib.Zip.Compression.Deflater def = new ICSharpCode.SharpZipLib.Zip.Compression.Deflater();
def.SetInput(inputByte);
def.Finish();
while (!def.IsFinished)
{
int extracted = def.Deflate(temp);
if (extracted > 0)
{
memory.Write(temp, 0, extracted);
}
else
{
break;
}
}
return memory.ToArray();
}
/// <summary>
/// deflater压缩
/// </summary>
/// <param name="inputByte"></param>
/// <returns></returns>
public static byte[] deflater(byte[] inputByte)
{
byte[] temp = new byte[1024];
MemoryStream memory = new MemoryStream();
ICSharpCode.SharpZipLib.Zip.Compression.Deflater def = new ICSharpCode.SharpZipLib.Zip.Compression.Deflater();
def.SetInput(inputByte);
def.Finish();
while (!def.IsFinished)
{
int extracted = def.Deflate(temp);
if (extracted > 0)
{
memory.Write(temp, 0, extracted);
}
else
{
break;
}
}
return(memory.ToArray());
}
public static string ToDeflatedCompressedBase64String(string inp, string ns)
{
StringBuilder sb = new StringBuilder();
TextWriter textWriter = (TextWriter) new StringWriter(sb);
new XmlSerializer(typeof(string), ns).Serialize(textWriter, (object)inp);
textWriter.Close();
sb.ToString();
ICSharpCode.SharpZipLib.Zip.Compression.Deflater deflater = new ICSharpCode.SharpZipLib.Zip.Compression.Deflater(1, true);
MemoryStream memoryStream = new MemoryStream();
byte[] numArray = new byte[256];
deflater.SetInput(new UnicodeEncoding().GetBytes(inp));
deflater.Flush();
int count;
do
{
count = deflater.Deflate(numArray, 0, numArray.Length);
memoryStream.Write(numArray, 0, count);
}while (count > 0);
return(Convert.ToBase64String(memoryStream.ToArray()));
}
public static byte[] LowLevelCompress(byte[] bytes, int level,
out uint adler, byte[] compressedBytes,
bool trimCompressedBytes = true, bool noZlibHeaderOrFooter = true)
{
int compressed_size;
var zip = new ICSharpCode.SharpZipLib.Zip.Compression.Deflater(level, noZlibHeaderOrFooter);
{
zip.SetInput(bytes);
zip.Finish();
compressed_size = zip.Deflate(compressedBytes);
adler = (uint)zip.Adler;
if (trimCompressedBytes)
{
byte[] cmp_data = compressedBytes;
Array.Resize(ref cmp_data, compressed_size);
compressedBytes = cmp_data;
}
}
return(compressedBytes);
}
private void CompresNowZip()
{
ICSharpCode.SharpZipLib.Zip.Compression.Deflater def =
new ICSharpCode.SharpZipLib.Zip.Compression.Deflater(
ICSharpCode.SharpZipLib.Zip.Compression.Deflater.BEST_COMPRESSION, true);
Stream aux = new MemoryStream();
byte[] data = new byte[this.m_streaminput.Length]; //minimo el tamaño sin comprimir.
int size = 0;
try
{
def.SetInput(this.m_byteinput);
def.Finish();
size = def.Deflate(data);
if (size == 0)
while (def.IsFinished == false)
{
if (def.IsNeedingInput)
{
Exception e = new Exception("Tamaño muy pequeño para comprimir");
break;
}
else
{
size = def.Deflate(data);
System.Threading.Thread.Sleep(2000);
}
}
def.Flush();
}
catch (ZipException e)
{
this.m_byteoutput = null;
this.m_streamoutput = null;
Debug.WriteLine(e.Message);
}
catch (Exception e)
{
this.m_byteoutput = null;
this.m_streamoutput = null;
Debug.WriteLine(e.Message);
}
finally
{
this.m_byteoutput = null;
this.m_byteoutput = new byte[size];
this.m_streamoutput = new MemoryStream(size);
this.m_streamoutput.Write(data, 0, size);
this.m_streamoutput.Seek(0, SeekOrigin.Begin);
this.m_streamoutput.Read(this.m_byteoutput, 0, size);
this.m_streamoutput.Seek(0, SeekOrigin.Begin);
}
}