public void CloseCodecTest() { string file = Path.Combine(Util.ArtifactsDataPath, "test002C_P01_0.bg44"); using (FileStream stream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) using (DjvuReader reader = new DjvuReader(stream)) { var map = new InterWavePixelMapDecoder(); map.Decode(reader); Assert.NotNull(map._YMap); Assert.NotNull(map._YDecoder); Assert.NotNull(map._CbMap); Assert.NotNull(map._CbDecoder); Assert.NotNull(map._CrMap); Assert.NotNull(map._CrDecoder); map.CloseCodec(); Assert.NotNull(map._YMap); Assert.Null(map._YDecoder); Assert.NotNull(map._CbMap); Assert.Null(map._CbDecoder); Assert.NotNull(map._CrMap); Assert.Null(map._CrDecoder); } }
/// <summary> /// Decodes the background image for this chunk /// </summary> /// <returns></returns> internal IInterWavePixelMap DecodeImage() { using (IDjvuReader reader = Reader.CloneReaderToMemory(DataOffset, Length)) { IInterWavePixelMap pixelMap = new InterWavePixelMapDecoder(); pixelMap.Decode(reader); return(pixelMap); } }
public void DecodeTest004() { byte[] buffer = new byte[] { 0x01, 0x48, 0x01, 0x05, 0x03, 0x3B, 0x04, 0x3F, 0x8A, 0xFF, 0xFF, 0xE9, 0xFB, 0x80, 0x3E, 0xA2 }; using (MemoryStream stream = new MemoryStream(buffer)) using (DjvuReader reader = new DjvuReader(stream)) { var map = new InterWavePixelMapDecoder(); Assert.Throws <DjvuFormatException>(() => map.Decode(reader)); } }
/// <summary> /// Decodes the background image for this chunk /// </summary> /// <returns></returns> internal IInterWavePixelMap DecodeBackgroundImage() { using (IDjvuReader reader = Reader.CloneReaderToMemory(DataOffset, Length)) { IInterWavePixelMap background = new InterWavePixelMapDecoder(); background.Decode(reader); return(background); } }
/// <summary> /// Decodes the thumbnail image for this chunk /// </summary> /// <returns></returns> internal IInterWavePixelMap DecodeThumbnailImage() { using (IDjvuReader reader = Reader.CloneReaderToMemory(DataOffset, Length)) { IInterWavePixelMap thumbnail = new InterWavePixelMapDecoder(); thumbnail.Decode(reader); return(thumbnail); } }
public void DuplicateTest001() { string file = Path.Combine(Util.ArtifactsDataPath, "test002C_P01_0.bg44"); using (FileStream stream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) using (DjvuReader reader = new DjvuReader(stream)) { var map = new InterWavePixelMapDecoder(); map.Decode(reader); Assert.NotNull(map._YMap); Assert.NotNull(map._YDecoder); Assert.NotNull(map._CbMap); Assert.NotNull(map._CbDecoder); Assert.NotNull(map._CrMap); Assert.NotNull(map._CrDecoder); var dyMap = map._YMap.Duplicate(); Assert.NotNull(dyMap); Assert.Equal(map._YMap.Width, dyMap.Width); Assert.Equal(map._YMap.Height, dyMap.Height); Assert.Equal(map._YMap.Blocks.Length, dyMap.Blocks.Length); } }