public void SearchForTextStringTest()
{
string file = Path.Combine(Util.ArtifactsDataPath, "test077C_P01.txtz");
using (FileStream stream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
using (DjvuReader reader = new DjvuReader(stream))
{
TxtzChunk unk = new TxtzChunk(reader, null, null, null, stream.Length);
string test = "landscapes";
Assert.True(unk.TextLength > 0);
Assert.NotNull(unk.Text);
Assert.Equal(unk.TextLength, unk.Text.Length);
Assert.Equal(1, unk.Version);
Assert.True(unk.Text.Contains(test), "Text not found on page");
int contains = 0;
int preContains = 0;
int postContains = 0;
VerifyZoneContainsText(unk.Zone, test, ref contains, ref preContains, ref postContains);
Assert.True(contains > 0, "Text not found in zones");
//Assert.True(postContains > 0, "Text not found in PostText");
//Assert.True(preContains > 0, "Text not found in PreText");
}
}
public void TxtzChunkTest001()
{
Mock <IDjvuReader> readerMock = new Mock <IDjvuReader>();
readerMock.Setup(x => x.Position).Returns(1024);
TxtzChunk unk = new TxtzChunk(readerMock.Object, null, null, null, 0);
Assert.Equal <ChunkType>(ChunkType.Txtz, unk.ChunkType);
Assert.Equal(ChunkType.Txtz.ToString(), unk.Name);
Assert.Equal <long>(1024, unk.DataOffset);
}
public void TxtzChunk_Theory(string file)
{
using (FileStream stream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
using (DjvuReader reader = new DjvuReader(stream))
{
TxtzChunk unk = new TxtzChunk(reader, null, null, null, stream.Length);
Assert.Equal <ChunkType>(ChunkType.Txtz, unk.ChunkType);
Assert.Equal(ChunkType.Txtz.ToString(), unk.Name);
Assert.Equal <long>(0, unk.DataOffset);
Assert.True(unk.TextLength > 0);
Assert.NotNull(unk.Text);
Assert.Equal(unk.TextLength, unk.Text.Length);
Assert.Equal(1, unk.Version);
}
}
public void TextZoneTest001()
{
string file = Path.Combine(Util.ArtifactsDataPath, "test077C_P01.txtz");
using (FileStream stream = new FileStream(file, FileMode.Open))
using (DjvuReader reader = new DjvuReader(stream))
{
TxtzChunk unk = new TxtzChunk(reader, null, null, null, stream.Length);
Assert.True(unk.TextLength > 0);
Assert.NotNull(unk.Text);
Assert.Equal(unk.TextLength, unk.Text.Length);
Assert.Equal(1, unk.Version);
VisitTextZones(unk.Zone);
}
}
public void TxtzChunkTest002()
{
string file = Path.Combine(Util.ArtifactsDataPath, "test077C_P01.txtz");
using (FileStream stream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
using (DjvuReader reader = new DjvuReader(stream))
{
TxtzChunk unk = new TxtzChunk(reader, null, null, null, stream.Length);
Assert.Equal <ChunkType>(ChunkType.Txtz, unk.ChunkType);
Assert.Equal(ChunkType.Txtz.ToString(), unk.Name);
Assert.Equal <long>(0, unk.DataOffset);
Assert.True(unk.TextLength > 0);
Assert.NotNull(unk.Text);
Assert.Equal(unk.TextLength, unk.Text.Length);
Assert.Equal(1, unk.Version);
}
}
public void SearchForTextRectangleTest()
{
string file = Path.Combine(Util.ArtifactsDataPath, "test077C_P01.txtz");
using (FileStream stream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
using (DjvuReader reader = new DjvuReader(stream))
{
TxtzChunk unk = new TxtzChunk(reader, null, null, null, stream.Length);
Assert.True(unk.TextLength > 0);
Assert.NotNull(unk.Text);
Assert.Equal(unk.TextLength, unk.Text.Length);
Assert.Equal(1, unk.Version);
var result = unk.Zone.SearchForText(new System.Drawing.Rectangle(0, 0, 10000, 10000));
Assert.NotNull(result);
Assert.True(result.Length > 0);
}
}
public void TextZone_Theory(string file)
{
using (FileStream stream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
using (DjvuReader reader = new DjvuReader(stream))
{
TxtzChunk unk = new TxtzChunk(reader, null, null, null, stream.Length);
Assert.True(unk.TextLength > 0);
Assert.NotNull(unk.Text);
Assert.Equal(unk.TextLength, unk.Text.Length);
Assert.Equal(1, unk.Version);
TextZone zone = unk.Zone;
var preText = zone.GetPreTextData();
var postText = zone.GetPostTextData();
var text = zone.GetTextData();
Assert.NotNull(text);
}
}
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);
}
