/// <summary>
/// Old Decompress method not using .NET compressor
/// </summary>
/// <param name="Data"></param>
/// <returns></returns>
public byte[] DecompressOld(byte[] Data)
{
byte[] decompressedPixelData = new byte[UncompressedLength];
// ZLIB
if (version > BgfFile.VERSION9)
{
// init streams
MemoryStream destStream = new MemoryStream(decompressedPixelData, true);
ZOutputStream destZ = new ZOutputStream(destStream);
// decompress
destZ.Write(Data, 0, Data.Length);
destZ.Flush();
destZ.finish();
// cleanup
destStream.Dispose();
destZ.Dispose();
}
// CRUSH
else
{
#if WINCLR && X86
// decompress
Crush32.Decompress(Data, 0, decompressedPixelData, 0, (int)UncompressedLength, CompressedLength);
#else
throw new Exception(ERRORCRUSHPLATFORM);
#endif
}
// set decompressed array to pixeldata
return(decompressedPixelData);
}
/// <summary>
/// Returns a decompressed byte[] of PixelData argument
/// </summary>
/// <param name="Data"></param>
/// <returns></returns>
public byte[] Decompress(byte[] Data)
{
byte[] decompressedPixelData = new byte[UncompressedLength];
// ZLIB
if (version > BgfFile.VERSION9)
{
// init sourcestream
MemoryStream srcStream = new MemoryStream(Data, false);
// must skip two bytes not part of deflate but used by zlib
srcStream.ReadByte();
srcStream.ReadByte();
// init .net decompressor
DeflateStream destZ = new DeflateStream(srcStream, CompressionMode.Decompress);
// decompress
destZ.Read(decompressedPixelData, 0, UncompressedLength);
// cleanup
destZ.Dispose();
srcStream.Dispose();
}
// CRUSH
else
{
#if WINCLR && X86
// decompress
Crush32.Decompress(Data, 0, decompressedPixelData, 0, (int)UncompressedLength, CompressedLength);
#else
throw new Exception(ERRORCRUSHPLATFORM);
#endif
}
// set decompressed array to pixeldata
return(decompressedPixelData);
}