/// <inheritdoc />
public byte[] Compress(byte[] data, Action <double> progressFunc = null)
{
CoderPropID[] propIDs =
{
CoderPropID.DictionarySize,
CoderPropID.PosStateBits,
CoderPropID.LitContextBits,
CoderPropID.LitPosBits,
CoderPropID.Algorithm,
CoderPropID.NumFastBytes,
CoderPropID.MatchFinder,
CoderPropID.EndMarker
};
object[] properties =
{
1 << 23,
2,
3,
0,
2,
128,
"bt4",
false
};
var x = new MemoryStream();
var encoder = new Encoder();
encoder.SetCoderProperties(propIDs, properties);
encoder.WriteCoderProperties(x);
var length = BitConverter.GetBytes(data.Length);
if (!BitConverter.IsLittleEndian)
{
Array.Reverse(length);
}
// Store 4 byte length value (little-endian)
x.Write(length, 0, sizeof(int));
ICodeProgress progress = null;
if (progressFunc != null)
{
progress = new CompressionLogger(progressFunc, data.Length);
}
encoder.Code(new MemoryStream(data), x, -1, -1, progress);
return(x.ToArray());
}
/// <inheritdoc />
public byte[] Compress(byte[] data, Action <double> progressFunc = null)
{
CoderPropID[] propIDs =
{
CoderPropID.DictionarySize,
CoderPropID.PosStateBits,
CoderPropID.LitContextBits,
CoderPropID.LitPosBits,
CoderPropID.Algorithm,
CoderPropID.NumFastBytes,
CoderPropID.MatchFinder,
CoderPropID.EndMarker
};
object[] properties =
{
1 << 23,
2,
3,
0,
2,
128,
"bt4",
false
};
var x = new MemoryStream();
var encoder = new Encoder();
encoder.SetCoderProperties(propIDs, properties);
encoder.WriteCoderProperties(x);
Int64 fileSize;
fileSize = data.Length;
for (var i = 0; i < 8; i++)
{
x.WriteByte((Byte)(fileSize >> (8 * i)));
}
ICodeProgress progress = null;
if (progressFunc != null)
{
progress = new CompressionLogger(progressFunc, data.Length);
}
encoder.Code(new MemoryStream(data), x, -1, -1, progress);
return(x.ToArray());
}
/// <inheritdoc />
public byte[] Compress(byte[] data, Action<double> progressFunc = null)
{
CoderPropID[] propIDs = {
CoderPropID.DictionarySize,
CoderPropID.PosStateBits,
CoderPropID.LitContextBits,
CoderPropID.LitPosBits,
CoderPropID.Algorithm,
CoderPropID.NumFastBytes,
CoderPropID.MatchFinder,
CoderPropID.EndMarker
};
object[] properties = {
1 << 23,
2,
3,
0,
2,
128,
"bt4",
false
};
var x = new MemoryStream();
var encoder = new Encoder();
encoder.SetCoderProperties(propIDs, properties);
encoder.WriteCoderProperties(x);
Int64 fileSize;
fileSize = data.Length;
for (int i = 0; i < 8; i++)
x.WriteByte((Byte)(fileSize >> (8 * i)));
ICodeProgress progress = null;
if (progressFunc != null)
progress = new CompressionLogger(progressFunc, data.Length);
encoder.Code(new MemoryStream(data), x, -1, -1, progress);
return x.ToArray();
}
