コード例 #1
0
 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;
     }
 }
コード例 #2
0
        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());
        }
コード例 #3
0
        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());
        }
コード例 #4
0
        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;
        }
コード例 #5
0
        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;
            }
        }