Method WriteCompressionBlock

IO/XML/vtkXMLWriter.cxx:1369–1392

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//------------------------------------------------------------------------------
int vtkXMLWriter::WriteCompressionBlock(unsigned char* data, size_t size)
{
  // Compress the data.
  vtkUnsignedCharArray* outputArray = this->Compressor->Compress(data, size);

  // Find the compressed size.
  size_t outputSize = outputArray->GetNumberOfTuples();
  unsigned char* outputPointer = outputArray->GetPointer(0);

  // Write the compressed data.
  int result = this->DataStream->Write(outputPointer, outputSize);
  this->Stream->flush();
  if (this->Stream->fail())
  {
    this->SetErrorCode(vtkErrorCode::GetLastSystemError());
  }

  // Store the resulting compressed size in the compression header.
  this->CompressionHeader->Set(3 + this->CompressionBlockNumber++, outputSize);

  outputArray->Delete();

  return result;
}

//------------------------------------------------------------------------------
int vtkXMLWriter::WriteCompressionHeader()