Beispiel #1
0
        public void ProgressiveDecodeBackground_Theory(string file, long length)
        {
            using (FileStream fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
                using (IDjvuReader reader = new DjvuReader(fs))
                {
                    BG44Chunk unk = new BG44Chunk(reader, null, null, "BG44", length);
                    unk.Initialize();
                    var map    = new InterWavePixelMapDecoder();
                    var result = unk.ProgressiveDecodeBackground(map);
                    Assert.Same(result, map);
#if !_APPVEYOR
                    string dumpsDir = Path.Combine(Util.ArtifactsDataPath, "dumps");
                    if (!System.IO.Directory.Exists(dumpsDir))
                    {
                        System.IO.Directory.CreateDirectory(dumpsDir);
                    }
                    using (System.Drawing.Bitmap image = map.GetPixelMap().ToImage())
                    {
                        string fileName = Path.GetFileNameWithoutExtension(file);
                        string outFile  = Path.Combine(dumpsDir, fileName + "_bg44.png");
                        using (FileStream stream = new FileStream(outFile, FileMode.Create))
                            image.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
                    }
#endif
                }
        }
Beispiel #2
0
        public void BG44ChunkTest()
        {
            Mock <IDjvuReader> readerMock = new Mock <IDjvuReader>();

            readerMock.Setup(x => x.Position).Returns(1024);

            BG44Chunk unk = new BG44Chunk(readerMock.Object, null, null, null, 0);

            Assert.Equal <ChunkType>(ChunkType.BG44, unk.ChunkType);
            Assert.Equal(ChunkType.BG44.ToString(), unk.Name);
            Assert.Equal <long>(1024, unk.DataOffset);
        }
Beispiel #3
0
        public void ImageTest035()
        {
            string file = Path.Combine(Util.ArtifactsDataPath, "test035C_P01_0.bg44");

            using (FileStream fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
                using (IDjvuReader reader = new DjvuReader(fs))
                {
                    BG44Chunk unk = new BG44Chunk(reader, null, null, "BG44", fs.Length);
                    unk.Initialize();
                    var map = new InterWavePixelMapDecoder();
                    IInterWavePixelMap result = unk.BackgroundImage;
                    var pixMap = result.GetPixelMap();
                    unk.BackgroundImage = map;
                    Assert.NotSame(result, unk.BackgroundImage);
                    Assert.Same(map, unk.BackgroundImage);
                }
        }
Beispiel #4
0
        public void ReadDataTest()
        {
            Mock <IDjvuReader> readerMock = new Mock <IDjvuReader>();

            readerMock.SetupProperty <long>(x => x.Position);
            IDjvuReader reader = readerMock.Object;

            reader.Position = 1024;

            BG44Chunk unk = new BG44Chunk(readerMock.Object, null, null, null, 1024);

            Assert.Equal <ChunkType>(ChunkType.BG44, unk.ChunkType);
            Assert.Equal(ChunkType.BG44.ToString(), unk.Name);
            Assert.Equal <long>(1024, unk.DataOffset);

            unk.ReadData(reader);
            Assert.Equal <long>(2048, reader.Position);
        }
Beispiel #5
0
        public static IDjvuNode CreateEncodedDjvuNode(IDjvuWriter writer, IDjvuElement parent, ChunkType chunkType, long length)
        {
            IDjvuNode result = null;

            switch (chunkType)
            {
            case ChunkType.Djvm:
                result = new DjvmChunk(writer, parent, length);
                break;

            case ChunkType.Djvu:
                result = new DjvuChunk(writer, parent, length);
                break;

            case ChunkType.Djvi:
                result = new DjviChunk(writer, parent, length);
                break;

            case ChunkType.Thum:
                result = new ThumChunk(writer, parent, length);
                break;

            case ChunkType.Dirm:
                result = new DirmChunk(writer, parent, length);
                break;

            case ChunkType.Navm:
                result = new NavmChunk(writer, parent, length);
                break;

            case ChunkType.Anta:
                result = new AntaChunk(writer, parent, length);
                break;

            case ChunkType.Antz:
                result = new AntzChunk(writer, parent, length);
                break;

            case ChunkType.Txta:
                result = new TxtaChunk(writer, parent, length);
                break;

            case ChunkType.Txtz:
                result = new TxtzChunk(writer, parent, length);
                break;

            case ChunkType.Djbz:
                result = new DjbzChunk(writer, parent, length);
                break;

            case ChunkType.Sjbz:
                result = new SjbzChunk(writer, parent, length);
                break;

            case ChunkType.FG44:
                result = new FG44Chunk(writer, parent, length);
                break;

            case ChunkType.BG44:
                result = new BG44Chunk(writer, parent, length);
                break;

            case ChunkType.TH44:
                result = new TH44Chunk(writer, parent, length);
                break;

            case ChunkType.BM44:
                result = new BM44Chunk(writer, parent, length);
                break;

            case ChunkType.BM44Form:
                result = new BM44Form(writer, parent, length);
                break;

            case ChunkType.PM44:
                result = new PM44Chunk(writer, parent, length);
                break;

            case ChunkType.PM44Form:
                result = new PM44Form(writer, parent, length);
                break;

            case ChunkType.Wmrm:
                result = new WmrmChunk(writer, parent, length);
                break;

            case ChunkType.FGbz:
                result = new FGbzChunk(writer, parent, length);
                break;

            case ChunkType.Info:
                result = new InfoChunk(writer, parent, length);
                break;

            case ChunkType.Incl:
                result = new InclChunk(writer, parent, length);
                break;

            case ChunkType.BGjp:
                result = new BGjpChunk(writer, parent, length);
                break;

            case ChunkType.FGjp:
                result = new FGjpChunk(writer, parent, length);
                break;

            case ChunkType.Smmr:
                result = new SmmrChunk(writer, parent, length);
                break;

            default:
                throw new DjvuInvalidOperationException($"Chunk type is not supported in encoding. ChunkType: {chunkType}");
            }

            return(result);
        }
Beispiel #6
0
        /// <summary>
        /// Builds the appropriate chunk for the ID
        /// </summary>
        /// <returns></returns>
        public static IDjvuNode CreateDecodedDjvuNode(IDjvuReader reader, IDjvuDocument rootDocument,
                                                      IDjvuElement parent, ChunkType chunkType,
                                                      string chunkID = "", long length = 0)
        {
            IDjvuNode result = null;

            switch (chunkType)
            {
            case ChunkType.Djvm:
                result = new DjvmChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Djvu:
                result = new DjvuChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Djvi:
                result = new DjviChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Thum:
                result = new ThumChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Dirm:
                result = new DirmChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Navm:
                result = new NavmChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Anta:
                result = new AntaChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Antz:
                result = new AntzChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Txta:
                result = new TxtaChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Txtz:
                result = new TxtzChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Djbz:
                result = new DjbzChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Sjbz:
                result = new SjbzChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.FG44:
                result = new FG44Chunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.BG44:
                result = new BG44Chunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.TH44:
                result = new TH44Chunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.BM44:
                result = new BM44Chunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.BM44Form:
                result = new BM44Form(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.PM44:
                result = new PM44Chunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.PM44Form:
                result = new PM44Form(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Wmrm:
                result = new WmrmChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.FGbz:
                result = new FGbzChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Info:
                result = new InfoChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Incl:
                result = new InclChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.BGjp:
                result = new BGjpChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.FGjp:
                result = new FGjpChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Smmr:
                result = new SmmrChunk(reader, parent, rootDocument, chunkID, length);
                break;

            case ChunkType.Cida:
                result = new CidaChunk(reader, parent, rootDocument, chunkID, length);
                break;

            default:
                result = new UnknownChunk(reader, parent, rootDocument, chunkID, length);
                break;
            }

            return(result);
        }