Method ReadBlock

IO/XMLParser/vtkXMLDataParser.cxx:594–617

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
int vtkXMLDataParser::ReadBlock(vtkTypeUInt64 block, unsigned char* buffer)
{
  size_t uncompressedSize = this->FindBlockSize(block);
  size_t compressedSize = this->BlockCompressedSizes[block];

  if (!this->DataStream->Seek(this->BlockStartOffsets[block]))
  {
    return 0;
  }

  unsigned char* readBuffer = new unsigned char[compressedSize];

  if (this->DataStream->Read(readBuffer, compressedSize) < compressedSize)
  {
    delete[] readBuffer;
    return 0;
  }

  size_t result =
    this->Compressor->Uncompress(readBuffer, compressedSize, buffer, uncompressedSize);

  delete[] readBuffer;
  return result > 0;
}

//------------------------------------------------------------------------------
unsigned char* vtkXMLDataParser::ReadBlock(vtkTypeUInt64 block)