public static TransformationStatus Compress(ReadOnlySpan <byte> source, Span <byte> destination, out int bytesConsumed, out int bytesWritten, int quality = DefaultQuality, int windowSize = DefaultWindowSize, BrotliEncoderMode encMode = BrotliEncoderMode.Generic)
{
if (quality > DefaultQuality || quality <= 0)
{
throw new System.ArgumentOutOfRangeException(BrotliEx.WrongQuality);
}
if (windowSize > DefaultWindowSize || windowSize <= 0)
{
throw new System.ArgumentOutOfRangeException(BrotliEx.WrongWindowSize);
}
bytesConsumed = bytesWritten = 0;
unsafe
{
IntPtr bufIn, bufOut;
fixed(byte *inBytes = &source.DangerousGetPinnableReference())
fixed(byte *outBytes = &destination.DangerousGetPinnableReference())
{
bufIn = new IntPtr(inBytes);
bufOut = new IntPtr(outBytes);
nuint written = (nuint)destination.Length;
nuint consumed = (nuint)source.Length;
if (!BrotliNative.BrotliEncoderCompress(quality, windowSize, encMode, consumed, bufIn, ref written, bufOut))
{
return(TransformationStatus.InvalidData);
}
;
bytesConsumed = (int)consumed;
bytesWritten = (int)written;
return(TransformationStatus.Done);
}
}
}
public static bool Compress(ReadOnlySpan <byte> source, Span <byte> destination, out nuint bytesConsumed, out nuint bytesWritten, int quality, int lgwin)
{
unsafe
{
bytesConsumed = (nuint)source.Length;
bytesWritten = (nuint)0;
IntPtr bufIn, bufOut;
fixed(byte *inBytes = &source.DangerousGetPinnableReference())
fixed(byte *outBytes = &destination.DangerousGetPinnableReference())
{
bufIn = new IntPtr(inBytes);
bufOut = new IntPtr(outBytes);
return(BrotliNative.BrotliEncoderCompress(quality, lgwin, BrotliNative.BrotliEncoderMode.Generic, bytesConsumed, bufIn, ref bytesWritten, bufOut));
}
}
}
