/// <summary>
/// Compresses buffer based on compression type passed.
/// </summary>
/// <param name="input">Array to compress.</param>
/// <param name="start">Start index of compression.</param>
/// <param name="count">Number of bytes to compress.</param>
/// <param name="type">Type of the compression.</param>
/// <returns>Compressed data.</returns>
public static byte[] Compress(byte[] input, int start, int count, LZCompressionType type)
{
if (input == null)
{
return(null);
}
if (start < 0 || count <= 0)
{
return(null);
}
if (start + count > input.Length)
{
return(null);
}
var output = new byte[count << 1];
int outsize = 0;
unsafe
{
fixed(byte *inptr = &input[start])
{
fixed(byte *outptr = &output[0])
{
lock (Interop._s_lock)
{
outsize = PrivateEncode(inptr, count, outptr, (int)type);
}
}
}
}
Array.Resize(ref output, outsize);
return(output);
}
/// <summary>
/// Compresses buffer based on compression type passed.
/// </summary>
/// <param name="input">Array to compress.</param>
/// <param name="type">Type of the compression.</param>
/// <returns>Compressed data.</returns>
public static byte[] Compress(byte[] input, LZCompressionType type)
{
if (input == null)
{
return(null);
}
var output = new byte[input.Length << 1];
int outsize = 0;
lock (Interop._s_lock)
{
outsize = PrivateEncode(input, input.Length, output, (int)type);
}
Array.Resize(ref output, outsize);
return(output);
}
