internal JB2Image ReadCompressedImage()
{
using (IDjvuReader reader = Reader.CloneReaderToMemory(DataOffset, Length))
{
JB2Image image = new JB2Image();
JB2.JB2Dictionary includedDictionary = null;
if (Parent is DjvuChunk djvuChunk)
{
IReadOnlyList <InclChunk> includes = djvuChunk.IncludedItems;
if (includes?.Count > 0)
{
var includeIDs = includes
.Where <InclChunk>(x => x.ChunkType == ChunkType.Incl);
var root = Document.RootForm as DjvmChunk;
DjbzChunk djbzItem = null;
foreach (InclChunk iChunk in includeIDs)
{
DirmComponent component = root?.Dirm.Components
.Where <DirmComponent>(x => x.ID == iChunk.IncludeID).FirstOrDefault();
var includeForm = root.Includes
.FirstOrDefault <IDjviChunk>(x => x.DataOffset == (component.Offset + 12));
djbzItem = includeForm?.Children
.FirstOrDefault(x => x.ChunkType == ChunkType.Djbz) as DjbzChunk;
if (djbzItem != null)
{
break;
}
}
includedDictionary = djbzItem?.ShapeDictionary;
}
}
image.Decode(reader, includedDictionary);
return(image);
}
}
internal JB2Image ReadCompressedImage()
{
using (IDjvuReader reader = Reader.CloneReaderToMemory(DataOffset, Length))
{
JB2Image image = new JB2Image();
JB2.JB2Dictionary includedDictionary = null;
DjvuChunk djvuChunk = Parent as DjvuChunk;
if (djvuChunk != null)
{
var includes = djvuChunk.IncludedItems;
if (includes?.Count > 0)
{
string includeID = includes
.FirstOrDefault <InclChunk>(x => x.ChunkType == ChunkType.Incl)?.IncludeID;
DjvmChunk root = Document.RootForm as DjvmChunk;
DirmComponent component = root?.Dirm.Components
.Where <DirmComponent>(x => x.ID == includeID).FirstOrDefault();
var includeForm =
root.Includes
.Where(x => x.DataOffset == (component.Offset + 12))
.FirstOrDefault <IDjviChunk>();
var djbzItem = includeForm?.Children
.Where <IDjvuNode>(x => x.ChunkType == ChunkType.Djbz).FirstOrDefault() as DjbzChunk;
includedDictionary = djbzItem?.ShapeDictionary;
}
}
image.Decode(reader, includedDictionary);
return(image);
}
}
