public void ForegroundImageTest()
{
string file = Path.Combine(Util.ArtifactsDataPath, "test037C_P01.fg44");
using (FileStream stream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
using (DjvuReader reader = new DjvuReader(stream))
{
FG44Chunk unk = new FG44Chunk(reader, null, null, "FG44", stream.Length);
var img = unk.ForegroundImage;
Assert.NotNull(img);
Assert.NotEqual(0, img.Width);
Assert.NotEqual(0, img.Height);
var map = new InterWavePixelMapDecoder();
Assert.Equal(0, map.Width);
Assert.Equal(0, map.Height);
unk.ForegroundImage = map;
Assert.NotSame(img, map);
img = unk.ForegroundImage;
Assert.Same(img, map);
Assert.Equal(0, img.Width);
Assert.Equal(0, img.Height);
}
}
public void ForegroundImageTest002()
{
string filePath = Path.Combine(Util.ArtifactsDataPath, "test037C_P01.fg44");
using (FileStream stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (DjvuReader reader = new DjvuReader(stream))
{
FG44Chunk th = new FG44Chunk(reader, null, null, "FG44", stream.Length);
Assert.Equal <ChunkType>(ChunkType.FG44, th.ChunkType);
Assert.Equal(stream.Length, th.Length);
var image = th.ForegroundImage;
Assert.NotNull(image);
Assert.IsType <InterWavePixelMapDecoder>(image);
Assert.True(image.Width >= 0 && image.Height > 0);
var map = new InterWavePixelMapDecoder();
th.ForegroundImage = map;
var image2 = th.ForegroundImage;
Assert.NotNull(image2);
Assert.NotSame(image, image2);
Assert.Same(map, image2);
Assert.True(image2.Width == 0 && image2.Height == 0);
}
}
public void FG44ChunkTest()
{
Mock <IDjvuReader> readerMock = new Mock <IDjvuReader>();
readerMock.Setup(x => x.Position).Returns(1024);
FG44Chunk unk = new FG44Chunk(readerMock.Object, null, null, null, 0);
Assert.Equal <ChunkType>(ChunkType.FG44, unk.ChunkType);
Assert.Equal(ChunkType.FG44.ToString(), unk.Name);
Assert.Equal <long>(1024, unk.DataOffset);
}
public void FG44Chunk_Theory(string fileName, string filePath)
{
using (FileStream stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (DjvuReader reader = new DjvuReader(stream))
{
FG44Chunk th = new FG44Chunk(reader, null, null, "FG44", stream.Length);
Assert.Equal <ChunkType>(ChunkType.FG44, th.ChunkType);
Assert.Equal(stream.Length, th.Length);
var image = th.ForegroundImage;
Assert.NotNull(image);
Assert.IsType <InterWavePixelMapDecoder>(image);
Assert.True(image.Width >= 0 && image.Height > 0);
}
}
public void ReadDataTest()
{
Mock <IDjvuReader> readerMock = new Mock <IDjvuReader>();
readerMock.SetupProperty <long>(x => x.Position);
IDjvuReader reader = readerMock.Object;
reader.Position = 1024;
FG44Chunk unk = new FG44Chunk(readerMock.Object, null, null, null, 1024);
Assert.Equal <ChunkType>(ChunkType.FG44, unk.ChunkType);
Assert.Equal(ChunkType.FG44.ToString(), unk.Name);
Assert.Equal <long>(1024, unk.DataOffset);
unk.ReadData(reader);
Assert.Equal <long>(2048, reader.Position);
}
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);
}
/// <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);
}
