public static void Compress(byte[] file, string destination, CompressionType cmp)
{
switch (cmp)
{
case CompressionType.Uncompressed:
File.WriteAllBytes(destination, file);
break;
case CompressionType.Kosinski:
using (MemoryStream input = new MemoryStream(file))
{
using (FileStream output = File.Create(destination))
{
using (PaddedStream paddedOutput = new PaddedStream(output, 2, PaddedStreamMode.Write))
{
Kosinski.Compress(input, paddedOutput);
}
}
}
break;
case CompressionType.KosinskiM:
using (MemoryStream input = new MemoryStream(file))
{
using (FileStream output = File.Create(destination))
{
using (PaddedStream paddedOutput = new PaddedStream(output, 2, PaddedStreamMode.Write))
{
ModuledKosinski.Compress(input, paddedOutput, LevelData.littleendian ? Endianness.LittleEndian : Endianness.BigEndian);
}
}
}
break;
case CompressionType.Nemesis:
Nemesis.Compress(file, destination);
break;
case CompressionType.Enigma:
Enigma.Compress(file, destination, LevelData.littleendian ? Endianness.LittleEndian : Endianness.BigEndian);
break;
case CompressionType.SZDD:
SZDDComp.SZDDComp.Compress(file, destination);
break;
default:
break;
}
}
public void PaddedStream_PadsInnerStreamData(byte[] data, byte paddingValue, int paddingLength)
{
PaddedStream paddedStream = new PaddedStream(new MemoryStream(data)
{
Position = 0
}, paddingValue, paddingLength);
Assert.AreEqual(0, paddedStream.Position);
Assert.AreEqual(data.Length + paddingLength, paddedStream.Length);
MemoryStream ouputStream = new MemoryStream();
paddedStream.CopyTo(ouputStream);
Assert.AreEqual(paddedStream.Length, paddedStream.Position);
CollectionAssert.AreEqual(
data.Concat(Enumerable.Repeat(paddingValue, paddingLength)).ToArray(),
ouputStream.ToArray());
}
public void PaddedStream_SeekingWorks()
{
PaddedStream paddedStream = new PaddedStream(
new MemoryStream(Enumerable.Range(0, 20).Select(i => (byte)i).ToArray())
{
Position = 0
},
0,
30);
MemoryStream ouputStream = new MemoryStream();
paddedStream.CopyTo(ouputStream);
Assert.AreEqual(paddedStream.Length, paddedStream.Position);
CollectionAssert.AreEqual(
Enumerable.Range(0, 20).Select(i => (byte)i).Concat(Enumerable.Repeat((byte)0, 30)).ToArray(),
ouputStream.ToArray());
paddedStream.Position = 10;
Assert.AreEqual(10, paddedStream.Position);
ouputStream = new MemoryStream();
paddedStream.CopyTo(ouputStream);
CollectionAssert.AreEqual(
Enumerable.Range(10, 10).Select(i => (byte)i).Concat(Enumerable.Repeat((byte)0, 30)).ToArray(),
ouputStream.ToArray());
paddedStream.Position = 20;
Assert.AreEqual(20, paddedStream.Position);
ouputStream = new MemoryStream();
paddedStream.CopyTo(ouputStream);
CollectionAssert.AreEqual(
Enumerable.Repeat((byte)0, 30).ToArray(),
ouputStream.ToArray());
}
public PixelStorageWriterStream(Stream imageFormatterStream, Stream embeddedImagedDataStream, PixelStorageOptions storageOptions, bool leaveOpen, int bufferSize = 4096) :
base(imageFormatterStream, storageOptions, leaveOpen)
{
if (embeddedImagedDataStream != null)
{
long bytesLeftInEmbeddedImage = embeddedImagedDataStream.Length - embeddedImagedDataStream.Position;
if (bytesLeftInEmbeddedImage < Length)
{
embeddedImagedDataStream = new PaddedStream(
embeddedImagedDataStream,
paddingValue: 0,
paddingLength: Length - bytesLeftInEmbeddedImage);
}
_embeddedImageDataStream = new BufferedStream(embeddedImagedDataStream, bufferSize);
}
else
{
_embeddedImageDataStream = new ConstantStream(0);
}
_bufferSize = bufferSize;
}
public static void Compress(byte[] file, string destination, CompressionType cmp)
{
try
{
switch (cmp)
{
case CompressionType.Uncompressed:
File.WriteAllBytes(destination, file);
break;
case CompressionType.Kosinski:
using (MemoryStream input = new MemoryStream(file))
{
using (FileStream output = File.Create(destination))
{
using (PaddedStream paddedOutput = new PaddedStream(output, 2, PaddedStreamMode.Write))
{
Kosinski.Compress(input, paddedOutput);
}
}
}
break;
case CompressionType.KosinskiM:
using (MemoryStream input = new MemoryStream(file))
{
using (FileStream output = File.Create(destination))
{
using (PaddedStream paddedOutput = new PaddedStream(output, 2, PaddedStreamMode.Write))
{
ModuledKosinski.Compress(input, paddedOutput, LevelData.littleendian ? Endianness.LittleEndian : Endianness.BigEndian);
}
}
}
break;
case CompressionType.Nemesis:
Nemesis.Compress(file, destination);
break;
case CompressionType.Enigma:
Enigma.Compress(file, destination, LevelData.littleendian ? Endianness.LittleEndian : Endianness.BigEndian);
break;
case CompressionType.SZDD:
SZDDComp.SZDDComp.Compress(file, destination);
break;
case CompressionType.Comper:
Comper.Compress(file, destination);
break;
default:
throw new ArgumentOutOfRangeException("cmp", "Invalid compression type " + cmp + "!");
}
}
catch
{
LevelData.Log("Unable to write file \"" + destination + "\" with compression " + cmp.ToString() + ":");
throw;
}
}
