public void ThumbnailTest053s()
{
string file = Path.Combine(Util.ArtifactsDataPath, "test053C_01_01.th44");
using (FileStream stream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
using (DjvuReader reader = new DjvuReader(stream))
{
TH44Chunk th = new TH44Chunk(reader, null, null, "TH44", stream.Length);
var thumb = th.Thumbnail;
Assert.NotNull(thumb);
Assert.Equal(128, thumb.Height);
Assert.Equal(91, thumb.Width);
th.Thumbnail = null;
var thumb2 = th.Thumbnail;
Assert.NotNull(thumb2);
Assert.Equal(128, thumb2.Height);
Assert.Equal(91, thumb2.Width);
Assert.NotSame(thumb, thumb2);
var map = new InterWavePixelMapDecoder();
th.Thumbnail = map;
var thumb3 = th.Thumbnail;
Assert.NotNull(thumb3);
Assert.Same(map, thumb3);
}
}
/// <summary>
/// Builds the list of pages
/// </summary>
private void BuildPageList()
{
Queue <DirmComponent> pageHeaders = new Queue <DirmComponent>(Directory.Components.Where(x => x.IsPage));
Queue <TH44Chunk> thumbnail = new Queue <TH44Chunk>(FormChunk.GetChildrenItems <TH44Chunk>());
DjviChunk[] sharedItems = FormChunk.GetChildrenItems <DjviChunk>();
List <DjvuPage> pages = new List <DjvuPage>();
int pageCount = 1;
foreach (IFFChunk child in FormChunk.Children)
{
if (child is FormChunk)
{
FormChunk form = (FormChunk)child;
if (form.Children.Any(x => x.ChunkType == ChunkTypes.Form_Djvu))
{
DirmComponent currentHeader = pageHeaders.Count() > 0 ? pageHeaders.Dequeue() : null;
TH44Chunk currentThumbnail = thumbnail.Count() > 0 ? thumbnail.Dequeue() : null;
DjvuPage newPage = new DjvuPage(pageCount++, this, currentHeader, currentThumbnail, sharedItems, form);
pages.Add(newPage);
}
}
}
Pages = pages.ToArray();
}
public DjvuPage(int pageNumber, DjvuDocument document, DirmComponent header, TH44Chunk thumbnail, DjviChunk[] includedItems, FormChunk form)
{
PageNumber = pageNumber;
Document = document;
Header = header;
Thumbnail = thumbnail;
IncludedItems = includedItems;
PageForm = form;
}
public void TH44ChunkTest()
{
Mock <IDjvuReader> readerMock = new Mock <IDjvuReader>();
readerMock.Setup(x => x.Position).Returns(1024);
TH44Chunk unk = new TH44Chunk(readerMock.Object, null, null, null, 0);
Assert.Equal <ChunkType>(ChunkType.TH44, unk.ChunkType);
Assert.Equal(ChunkType.TH44.ToString(), unk.Name);
Assert.Equal <long>(1024, unk.DataOffset);
}
public void ThumbnailTest053()
{
string file = Path.Combine(Util.ArtifactsDataPath, "test053C_01_01.th44");
using (FileStream stream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
using (DjvuReader reader = new DjvuReader(stream))
{
TH44Chunk th = new TH44Chunk(reader, null, null, "TH44", stream.Length);
var thumb = th.Thumbnail;
Assert.NotNull(thumb);
Assert.Equal(128, thumb.Height);
Assert.Equal(91, thumb.Width);
}
}
public void TH44Chunk_Theory(string fileName, string filePath)
{
using (FileStream stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (DjvuReader reader = new DjvuReader(stream))
{
TH44Chunk th = new TH44Chunk(reader, null, null, "TH44", stream.Length);
Assert.Equal <ChunkType>(ChunkType.TH44, th.ChunkType);
Assert.Equal(stream.Length, th.Length);
var image = th.Image;
Assert.NotNull(image);
Assert.IsType <PixelMap>(image);
Assert.True(image.Width >= 64 && image.Width < 512);
}
}
private void DumpTH44ChunkList(int docIndex, IReadOnlyList <IDjvuNode> th44List, int i)
{
string docFile = Util.GetTestFilePath(docIndex);
string fileName = Path.GetFileNameWithoutExtension(docFile);
string outFileTemplate = Path.Combine(Util.ArtifactsDataPath, fileName);
for (int k = 0; k < th44List.Count; k++)
{
TH44Chunk th = (TH44Chunk)th44List[k];
string file = outFileTemplate + "_" + (i + 1).ToString("00") + "_" + (k + 1).ToString("00") + ".th44";
using (FileStream outFile = new FileStream(file, FileMode.Create, FileAccess.ReadWrite))
{
outFile.Write(th.ChunkData, 0, th.ChunkData.Length);
}
}
}
public void ReadDataTest()
{
Mock <IDjvuReader> readerMock = new Mock <IDjvuReader>();
readerMock.SetupProperty <long>(x => x.Position);
IDjvuReader reader = readerMock.Object;
reader.Position = 1024;
TH44Chunk unk = new TH44Chunk(reader, null, null, null, 1024);
Assert.Equal <ChunkType>(ChunkType.TH44, unk.ChunkType);
Assert.Equal(ChunkType.TH44.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);
}
