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);
}
}
