public HdrArchive Read(string sourcePath)
        {
            byte[]         hdrFile          = ReadFile(sourcePath);
            IBuffer        buffer           = BufferProvider.Provide(hdrFile);
            HdrHeader      header           = ReadHeader(buffer);
            List <HdrFile> files            = new List <HdrFile>();
            int            folderIndexStart = header.IndexOffset;
            int            totalFiles       = 0;
            int            currentFile      = 0;

            for (int i = 0; i < header.FolderCount; i++)
            {
                buffer.Position = folderIndexStart + i * IndexBlockSize;
                HdrIndex folderIndex = ReadIndex(buffer);
                buffer.Position = folderIndex.Offset;
                for (int j = 0; j < folderIndex.Length; j++)
                {
                    HdrIndex fileIndex = ReadIndex(buffer);
                    int      offset    = fileIndex.Offset;
                    int      lenght    = fileIndex.Length;
                    string   ext;
                    if (Path.HasExtension(fileIndex.Name))
                    {
                        ext = Path.GetExtension(fileIndex.Name);
                        switch (ext)
                        {
                        case ".pts":
                            // PTS-Files are PNG files with the first 4byte beeing lengt of the data.
                            // We already know the length from the index.
                            // offset += 4;
                            // lenght -= 4;
                            break;
                        }
                    }
                    else
                    {
                        ext = "";
                    }
                    HdrFile file = new HdrFile();
                    file.FileExtension    = ext;
                    file.FileName         = fileIndex.Name;
                    file.HdrDirectoryPath = folderIndex.Name;
                    file.HdrFullPath      = folderIndex.Name + fileIndex.Name;
                    file.Data             = buffer.GetBytes(offset, lenght);
                    file.Offset           = offset;
                    file.Length           = lenght;
                    file.Extension        = ext;
                    files.Add(file);
                    currentFile++;
                }
                totalFiles += folderIndex.Length;
                OnProgressChanged(totalFiles, currentFile);
            }
            return(new HdrArchive(files, header));
        }
 public static IBuffer Provide()
 {
     return(Provider.Provide());
 }