public void Palette_Theory(string file, DjvuJsonDocument doc)
{
byte[] buffer = null;
using (FileStream fs = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
{
buffer = new byte[fs.Length];
int result = fs.Read(buffer, 0, buffer.Length);
Assert.Equal <long>(fs.Length, result);
}
Mock <IDjvuDocument> docMock = new Mock <IDjvuDocument>();
Mock <IDjvuElement> parentMock = new Mock <IDjvuElement>();
IDjvuElement parent = parentMock.Object;
IDjvuDocument document = docMock.Object;
using (MemoryStream ms = new MemoryStream(buffer, false))
using (IDjvuReader reader = new DjvuReader(ms))
{
FGbzChunk chunk = new FGbzChunk(reader, parent, document, "FGBZ", buffer.Length);
Assert.False(chunk.IsInitialized);
var testChunk = doc.Data.Pages[0].Children
.Where(x => x.ID == "FGbz")
.FirstOrDefault <DjvuJsonDocument.Chunk>();
Assert.Equal <int>((int)testChunk?.Version.Value, chunk.Version);
Assert.Equal <int>((int)testChunk.Colors.Value, (int)chunk.Palette?.PaletteColors?.Length);
}
}
public void FGbzChunkTest002()
{
FGbzChunk chunk = new FGbzChunk();
Assert.Equal <ChunkType>(ChunkType.FGbz, chunk.ChunkType);
Assert.Equal("FGbz", chunk.Name);
}
public void ColorPalette001()
{
string filePath = Path.Combine(Util.ArtifactsDataPath, "test003C_P01.fgbz");
using (FileStream stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (DjvuReader reader = new DjvuReader(stream))
{
FGbzChunk th = new FGbzChunk(reader, null, null, "FGBZ", stream.Length);
Assert.Equal <ChunkType>(ChunkType.FGbz, th.ChunkType);
Assert.Equal(stream.Length, th.Length);
var palette = th.Palette;
Assert.NotNull(palette);
Assert.IsType <ColorPalette>(palette);
Assert.False(th.HasShapeTableData);
reader.Position = 0;
var colPal = new ColorPalette(reader, th);
th.Palette = colPal;
var palette2 = th.Palette;
Assert.NotNull(palette2);
Assert.IsType <ColorPalette>(palette2);
Assert.NotSame(palette, palette2);
Assert.Same(palette2, colPal);
}
}
public void ReadDataTest()
{
Mock <IDjvuReader> readerMock = new Mock <IDjvuReader>();
readerMock.SetupAllProperties();
readerMock.Object.Position = 1024;
Mock <IDjvuDocument> docMock = new Mock <IDjvuDocument>();
Mock <IDjvuElement> parentMock = new Mock <IDjvuElement>();
IDjvuReader reader = readerMock.Object;
IDjvuElement parent = parentMock.Object;
IDjvuDocument document = docMock.Object;
FGbzChunk chunk = new FGbzChunk(reader, parent, document, "FGBZ", 2048);
Assert.False(chunk.IsInitialized);
chunk.ReadData(reader);
long positionSum = chunk.DataOffset + chunk.Length;
Assert.Equal <long>(reader.Position, positionSum);
}
public void FGbzChunkTest001()
{
Mock <IDjvuReader> readerMock = new Mock <IDjvuReader>();
readerMock.Setup <long>(x => x.Position).Returns(1024);
// readerMock.SetupAllProperties();
Mock <IDjvuDocument> docMock = new Mock <IDjvuDocument>();
Mock <IDjvuElement> parentMock = new Mock <IDjvuElement>();
IDjvuReader reader = readerMock.Object;
IDjvuElement parent = parentMock.Object;
IDjvuDocument document = docMock.Object;
FGbzChunk chunk = new FGbzChunk(reader, parent, document, "FGBZ", 2048);
Assert.False(chunk.IsInitialized);
Assert.Equal <long>(1024, chunk.DataOffset);
Assert.Equal <long>(2048, chunk.Length);
Assert.Same(reader, chunk.Reader);
Assert.Same(parent, chunk.Parent);
Assert.Same(document, chunk.Document);
}
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);
}
