Method WriteArray

IO/Legacy/vtkDataWriter.cxx:1090–1473

------------------------------------------------------------------------------ Write out data to file specified.

//------------------------------------------------------------------------------
// Write out data to file specified.
int vtkDataWriter::WriteArray(ostream* fp, int dataType, vtkAbstractArray* data, const char* format,
  vtkIdType num, vtkIdType numComp)
{
  vtkIdType i, j, idx;
  char str[1024];

  bool isAOSArray = data->HasStandardMemoryLayout();

  char* outputFormat = new char[10];
  switch (dataType)
  {
    case VTK_BIT:
    { // assume that bit array is always in original AOS ordering
      auto result = vtk::format_to_n(str, sizeof(str), format, "bit");
      *result.out = '\0';
      *fp << str;
      if (this->FileType == VTK_ASCII)
      {
        int s;
        for (j = 0; j < num; j++)
        {
          for (i = 0; i < numComp; i++)
          {
            idx = i + j * numComp;
            s = static_cast<vtkBitArray*>(data)->GetValue(idx);
            *fp << (s != 0.0 ? 1 : 0);
            if (!((idx + 1) % 8))
            {
              *fp << "\n";
            }
            else
            {
              *fp << " ";
            }
          }
        }
      }
      else
      {
        unsigned char* cptr = static_cast<vtkBitArray*>(data)->GetPointer(0);
        fp->write(reinterpret_cast<char*>(cptr), (sizeof(unsigned char)) * ((num - 1) / 8 + 1));
      }
      *fp << "\n";
    }
    break;

    case VTK_CHAR:
    {
      auto result = vtk::format_to_n(str, sizeof(str), format, "char");
      *result.out = '\0';
      *fp << str;
      char* s = GetArrayRawPointer<char, vtkCharArray>(data, isAOSArray);
      vtkWriteDataArray(fp, s, this->FileType, "{:d} ", num, numComp);
      if (!isAOSArray)
      {
        delete[] s;
      }
    }