Method SetBlockSize

IO/XML/vtkXMLWriterBase.cxx:150–174

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//------------------------------------------------------------------------------
void vtkXMLWriterBase::SetBlockSize(size_t blockSize)
{
  // Enforce constraints on block size.
  size_t nbs = blockSize;
#if VTK_SIZEOF_DOUBLE > VTK_SIZEOF_ID_TYPE
  typedef double LargestScalarType;
#else
  typedef vtkIdType LargestScalarType;
#endif
  size_t remainder = nbs % sizeof(LargestScalarType);
  if (remainder)
  {
    nbs -= remainder;
    nbs = std::max(nbs, sizeof(LargestScalarType));
    vtkWarningMacro("BlockSize must be a multiple of "
      << int(sizeof(LargestScalarType)) << ".  Using " << nbs << " instead of " << blockSize
      << ".");
  }
  vtkDebugMacro(<< this->GetClassName() << " (" << this << "): setting BlockSize to " << nbs);
  if (this->BlockSize != nbs)
  {
    this->BlockSize = nbs;
    this->Modified();
  }
}
//------------------------------------------------------------------------------
int vtkXMLWriterBase::Write()
{