public override SoundInput TryOpen(IBinaryStream file)
{
int first = file.ReadByte();
if ((first ^ 0x21) != 0x78) // doesn't look like zlib stream
{
return(null);
}
file.Position = 0;
using (var input = new XoredStream(file.AsStream, 0x21, true))
using (var zstream = new ZLibStream(input, CompressionMode.Decompress))
{
SoundInput sound = null;
var wav = new MemoryStream();
try
{
zstream.CopyTo(wav);
wav.Position = 0;
sound = new WaveInput(wav);
}
finally
{
if (null == sound)
{
wav.Dispose();
}
else
{
file.Dispose();
}
}
return(sound);
}
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
using (var input = new XoredStream(stream.AsStream, 0x21, true))
using (var zstream = new ZLibStream(input, CompressionMode.Decompress))
using (var bmp = new BinaryStream(zstream, stream.Name))
return(Bmp.Read(bmp, info));
}
internal Stream CreatePmxStream(ArcView file)
{
Stream input = file.CreateStream();
input = new XoredStream(input, 0x21);
input = new ZLibStream(input, CompressionMode.Decompress);
return(new SeekableStream(input));
}
public override ImageMetaData ReadMetaData(Stream stream)
{
int first = stream.ReadByte() ^ 0x21;
if (first != 0x78) // doesn't look like zlib stream
return null;
stream.Position = 0;
using (var input = new XoredStream (stream, 0x21, true))
using (var zstream = new ZLibStream (input, CompressionMode.Decompress))
return base.ReadMetaData (zstream);
}
public override ImageMetaData ReadMetaData(IBinaryStream stream)
{
int first = stream.PeekByte() ^ 0x21;
if (first != 0x78) // doesn't look like zlib stream
{
return(null);
}
using (var input = new XoredStream(stream.AsStream, 0x21, true))
using (var zstream = new ZLibStream(input, CompressionMode.Decompress))
using (var bmp = new BinaryStream(zstream, stream.Name))
return(Bmp.ReadMetaData(bmp));
}
public override ImageMetaData ReadMetaData(Stream stream)
{
int first = stream.ReadByte() ^ 0x21;
if (first != 0x78) // doesn't look like zlib stream
{
return(null);
}
stream.Position = 0;
using (var input = new XoredStream(stream, 0x21, true))
using (var zstream = new ZLibStream(input, CompressionMode.Decompress))
return(base.ReadMetaData(zstream));
}
public override void Write(SoundInput source, Stream output)
{
using (var wav = new XoredStream(output, 0x21, true))
using (var zstream = new ZLibStream(wav, CompressionMode.Compress, CompressionLevel.Level9))
base.Write(source, zstream);
}
public override void Write(Stream file, ImageData image)
{
using (var output = new XoredStream(file, 0x21, true))
using (var zstream = new ZLibStream(output, CompressionMode.Compress, CompressionLevel.Level9))
Bmp.Write(zstream, image);
}
public override ImageData Read(Stream stream, ImageMetaData info)
{
using (var input = new XoredStream(stream, 0x21, true))
using (var zstream = new ZLibStream(input, CompressionMode.Decompress))
return(base.Read(zstream, info));
}
public override void Write(Stream file, ImageData image)
{
using (var output = new XoredStream (file, 0x21, true))
using (var zstream = new ZLibStream (output, CompressionMode.Compress, CompressionLevel.Level9))
base.Write (zstream, image);
}
public override ImageData Read(Stream stream, ImageMetaData info)
{
using (var input = new XoredStream (stream, 0x21, true))
using (var zstream = new ZLibStream (input, CompressionMode.Decompress))
return base.Read (zstream, info);
}