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What is "ByteArray.uncompress()" in AS3 equivalent to in C#?


What is "ByteArray.uncompress()" in AS3 equivalent to in C#?

By : user3099605
Date : January 11 2021, 03:34 PM
To fix the issue you can do I am trying to convert a AS3 (ActionScript 3) function to C#. , (1)
@Jimmy has given you a good Answer.
code :
loc1.WriteByte( (byte)(-38 & 0xFF) );
public string p()
{

    byte[] loc_Data = new byte[] {
    0x78, 0xDA, 0x63, 0x10, 0x0C, 0x33, 0x29, 0x8A, 
    0x0C, 0x32, 0x51, 0x49, 0x31, 0xC8, 0x0D, 0x30, etc etc ... until 0xF0
    };

    var loc_Uncompressed = Ionic.Zlib.ZlibStream.UncompressBuffer( loc_Data );
    return Encoding.UTF8.GetString( loc_Uncompressed ); //or try: loc_Uncompressed.ToArray()

}


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is there a way to uncompress zip data without ByteArray.inflate()

is there a way to uncompress zip data without ByteArray.inflate()


By : user3499363
Date : March 29 2020, 07:55 AM
To fix the issue you can do I know the hard way.
You can use Alchemy for that. Alchemy is a free tool for porting C/C++ code into flash. In Alchemy sdk examples there already are ported versions of gzip and libpng. So you can use gzip to uncompress your zipped data.
AS3 Alchemy and ByteArray.setPixels() issue. "bytearray.position = 0" doesn't work

AS3 Alchemy and ByteArray.setPixels() issue. "bytearray.position = 0" doesn't work


By : Lila Puri
Date : March 29 2020, 07:55 AM
hope this fix your issue It looks like you are trying to pass the bytes of a compressed JPEG to setPixels().
However, according to the documentation setPixels(), it the second argument to be:
Qt qUncompress giving "could not allocate enough memory to uncompress data"

Qt qUncompress giving "could not allocate enough memory to uncompress data"


By : user2279804
Date : March 29 2020, 07:55 AM
hope this fix your issue Fixed (or rather got it working) by preprending a dummy length before the zip data (starting 789c):
code :
QString decStage3 ( QByteArray s )
{
    printf ( "3a: length in %d\n", s.length());
    QByteArray bData = QByteArray::fromHex("00004000") + QByteArray::fromHex(s );
    printf ( "3b: length ba %d\n", bData.length());
    printf ( "3c: ba [%s]\n", qPrintable(bData.toHex()));
    printf ( "3d: mem [%d]\n", bData.capacity() );

    QByteArray dS = qUncompress( bData );
   // QByteArray::fromHex(s.toLatin1());
    return (dS.data());
}
Does zlib's "uncompress" preserve the data's original endianness, or does it do an endian conversion?

Does zlib's "uncompress" preserve the data's original endianness, or does it do an endian conversion?


By : user3700925
Date : March 29 2020, 07:55 AM
To fix this issue zlib compresses and decompresses a stream of bytes losslessly. So whatever endianess went in is exactly what comes out. This is entirely regardless of the endianess of the compressing and decompressing machines.
The FAQ entry refers to the fact that the code was written to be insensitive to the endianess of the architecture that the code is compiled to and run on.
In Java, is a type of "a.ByteArray" equal to "[B"?

In Java, is a type of "a.ByteArray" equal to "[B"?


By : user3018808
Date : March 29 2020, 07:55 AM
I hope this helps you . The byte[] class has a class name "[B". See the javadoc for Class::getName.
code :
 oneThing.getClass() == otherThing.getClass()
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