public Bookmark(IDjvuReader reader, IDjvuDocument document, INavmChunk navm, Bookmark parent)
{
InitializeReferences(document, navm, parent);
DecodeBookmarkData(reader);
LoadReferencedPage();
}
public BGjpChunk(IDjvuReader reader, IDjvuElement parent, IDjvuDocument document,
string chunkID = "", long length = 0)
: base(reader, parent, document, chunkID, length)
{
}
/// <summary>
/// Initialize allows to delay reading of IFFChunk content to the moment it is needed.
/// </summary>
/// <param name="reader"></param>
public virtual void Initialize(IDjvuReader reader)
{
reader.Position = DataOffset;
ReadData(reader);
IsInitialized = true;
}
/// <summary>
/// Reads the data for the chunk
/// </summary>
/// <param name="reader"></param>
public virtual void ReadData(IDjvuReader reader)
{
DataOffset = reader.Position;
reader.Position += Length;
}
/// <summary>
/// Decodes the children of this chunk
/// </summary>
/// <param name="reader"></param>
internal virtual void ReadChildren(IDjvuReader reader)
{
_TempChildren = new List <IDjvuNode>();
long maxPosition = this.Length + DataOffset;
// Jump to next FORM data "space" - it is skipped for root FORM
if (this != Document.RootForm)
{
reader.Position = DataOffset;
if (DjvuParser.IsFormChunk(ChunkType))
{
maxPosition -= 4;
}
}
// Read in all the chunks
while (true)
{
if (reader.Position % 2 == 1)
{
reader.Position++;
}
if (reader.Position >= maxPosition)
{
break;
}
// Read the chunk ID
string id = reader.ReadUTF8String(4);
ChunkType type = DjvuParser.GetChunkType(id);
long length = reader.ReadUInt32BigEndian();
bool isFormChunk = DjvuParser.IsFormChunk(type);
if (isFormChunk)
{
id = reader.ReadUTF8String(4);
type = DjvuParser.GetChunkType(id);
}
// Reset the stream position
// reader.Position -= 4;
var chunk = DjvuParser.CreateDecodedDjvuNode(reader, Document, this, type, id, length);
if (chunk != null)
{
if (!DjvuParser.IsRootFormChild(type))
{
_TempChildren.Add(chunk);
_TempChildren[_TempChildren.Count - 1].Initialize(reader);
reader.Position = chunk.Length + chunk.DataOffset;
}
else
{
Document.RootForm._TempChildren.Add(chunk);
reader.Position = chunk.Length + chunk.DataOffset;
if (isFormChunk)
{
reader.Position -= 4;
}
}
}
}
Children = _TempChildren;
_TempChildren = null;
}
public override void Initialize(IDjvuReader reader)
{
reader.Position = DataOffset + 4;
ReadData(reader);
}
public DjvuFormElement(IDjvuReader reader, IDjvuElement parent, IDjvuDocument document,
string chunkID = "", long length = 0)
: base(reader, parent, document, chunkID, length)
{
InitializeInternal();
}
public override void ReadData(IDjvuReader reader)
{
base.ReadData(reader);
// TODO use ETW logging here
}
public UnknownChunk(IDjvuReader reader, IDjvuElement parent, IDjvuDocument document,
string chunkID = "", long length = 0)
: base(reader, parent, document, chunkID, length)
{
// Nothing
}
