static void Main(string[] args)
{
// Create the compressor object
LZOCompressor lzo = new LZOCompressor();
// Build a quite redundant string
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 10000; i++)
{
sb.Append("LZO.NET");
}
string str = sb.ToString();
Console.WriteLine("Original-Length: " + str.Length);
byte[] data = Encoding.Default.GetBytes(str);
// Now compress the 70000 byte string to something much smaller
byte[] compressed = lzo.Compress(data);
Console.WriteLine("Compressed-Length: " + compressed.Length);
// Decompress the string to its original content
string str2 = Encoding.Default.GetString(lzo.Decompress(compressed));
Console.WriteLine("Decompressed-Length: " + str2.Length);
Console.WriteLine("Equality: " + str.Equals(str2));
Console.WriteLine("benchmark...");
Stopwatch stopWatch = new Stopwatch();
int count = 0;
stopWatch.Start();
while (stopWatch.ElapsedMilliseconds < 2000)
{
lzo.Compress(data);
count++;
}
stopWatch.Stop();
Console.WriteLine("Compression throughput is (KByte/sec): " + data.Length * count / stopWatch.ElapsedMilliseconds);
count = 0;
stopWatch.Reset();
stopWatch.Start();
while (stopWatch.ElapsedMilliseconds < 2000)
{
lzo.Decompress(compressed);
count++;
}
stopWatch.Stop();
Console.WriteLine("Uncompression throughput is (KByte/sec): " + data.Length * count / stopWatch.ElapsedMilliseconds);
Console.ReadKey();
}
static void Main(string[] args)
{
// Create the compressor object
LZOCompressor lzo = new LZOCompressor();
// Build a quite redundant string
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 10000; i++)
{
sb.Append("LZO.NET");
}
string str = sb.ToString();
Console.WriteLine("Original-Length: " + str.Length);
byte[] data = Encoding.Default.GetBytes(str);
// Now compress the 70000 byte string to something much smaller
byte[] compressed = lzo.Compress(data);
Console.WriteLine("Compressed-Length: " + compressed.Length);
// Decompress the string to its original content
string str2 = Encoding.Default.GetString(lzo.Decompress(compressed));
Console.WriteLine("Decompressed-Length: " + str2.Length);
Console.WriteLine("Equality: " + str.Equals(str2));
Console.WriteLine("benchmark...");
Stopwatch stopWatch = new Stopwatch();
int count = 0;
stopWatch.Start();
while (stopWatch.ElapsedMilliseconds < 2000)
{
lzo.Compress(data);
count++;
}
stopWatch.Stop();
Console.WriteLine("Compression throughput is (KByte/sec): " + data.Length * count / stopWatch.ElapsedMilliseconds);
count = 0;
stopWatch.Reset();
stopWatch.Start();
while (stopWatch.ElapsedMilliseconds < 2000)
{
lzo.Decompress(compressed);
count++;
}
stopWatch.Stop();
Console.WriteLine("Uncompression throughput is (KByte/sec): " + data.Length * count / stopWatch.ElapsedMilliseconds);
Console.ReadKey();
}
private void decompressLZO()
{
uncompressedData = new byte[uncompressedDataSize];
lock (lockObject)
{
lzo.Decompress(compressedData, uncompressedData, uncompressedDataSize);
}
}
/**解压线程*/
private void deCompressFun()
{
while (isConnect)
{
try
{
RecPacket recPacket = recPacketQueue.Dequeue();
LZOCompressor lzoCompress = new LZOCompressor();
if (recPacket != null)
{
RecPacket.PacketType packetType = recPacket.getPacketType();
DifferentBitmapWithCursor difbitWithCur = new DifferentBitmapWithCursor();
difbitWithCur.setPacketType(packetType);
switch (packetType)
{
case RecPacket.PacketType.BITMAP:
difbitWithCur.setBitmapType(recPacket.getBitmapType());
difbitWithCur.setCursorPoint(recPacket.getCursorPoint());
difbitWithCur.setDifPointsList(recPacket.getDifPointsList());
byte[] dataBytes = recPacket.getBitByts();
byte[] getByte = lzoCompress.Decompress(dataBytes);
Bitmap temp = (Bitmap)Bitmap.FromStream(new MemoryStream(getByte));
difbitWithCur.setDifBitmap(temp);
/**放入差异队列*/
deCompressDifQueue.Enqueue(difbitWithCur);
labelDif.Text = "差异队列大小：" + deCompressDifQueue.getQueueSize() + "\r\n";
break;
case RecPacket.PacketType.TEXT:
difbitWithCur.setStringValue(recPacket.getStringValue());
deCompressDifQueue.Enqueue(difbitWithCur);
labelDif.Text = "差异队列大小：" + deCompressDifQueue.getQueueSize() + "\r\n";
break;
default:
break;
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
public void decompress(int compFlag)
{
if (compFlag == 0)
{
//uncompressed
uncompressedData = (byte[])(compressedData.Clone());
}
else if (((CompressionTypes)compFlag & CompressionTypes.ZLIB) > 0)
{
try
{
var byteStream = new MemoryStream();
var outStream = new ZlibStream(byteStream, CompressionMode.Decompress);
outStream.Write(compressedData, 0, compressedData.Length);
uncompressedData = byteStream.GetBuffer();
}
catch (Exception e)
{
logger.Error(e);
}
}
else if (((CompressionTypes)compFlag & CompressionTypes.LZX) > 0)
{
logger.Error("Found COMPRESS_LZX, unsupported!");
}
else if (((CompressionTypes)compFlag & CompressionTypes.LZO) > 0)
{
uncompressedData = new byte[uncompressedDataSize];
lock (lockObject)
{
lzo.Decompress(compressedData, uncompressedData, uncompressedDataSize);
}
}
if (uncompressedData != null)
{
uncompressedDataSize = uncompressedData.Length;
compressedData = null; //save memory
}
}
private static byte[] NativeLZODecompressor(byte[] input, int outputLength)
{
return(LZOCompressor.Decompress(input));
}
public static byte[] DecompressLZO(byte[] input)
{
return(LZOCompressor.Decompress(input));
}