Method WriteFile

IO/MINC/vtkMNITransformWriter.cxx:345–454

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//------------------------------------------------------------------------------
int vtkMNITransformWriter::WriteFile()
{
  // Check that a transform has been set.
  if (!this->Transform)
  {
    vtkErrorMacro("WriteFile: No input transform has been set.");
    return 0;
  }
  // Check that the file name has been set.
  if (!this->FileName)
  {
    vtkErrorMacro("WriteFile: No file name has been set.");
    return 0;
  }

  // Open the file.
  vtksys::ofstream outfile(this->FileName, ios::out);

  if (outfile.fail())
  {
    vtkErrorMacro("WriteFile: Can't create the file " << this->FileName);
    return 0;
  }

  // Write the header
  outfile << "MNI Transform File\n";

  // Get the local time and write as first comment line
  std::time_t t = std::time(nullptr);
  tm local;
#ifdef VTK_COMPILER_MSVC
  localtime_s(&local, &t);
#else
  localtime_r(&t, &local);
#endif
  auto date = vtk::format("{:%Y.%m.%d.%H.%M.%S}", local);

  outfile << "% Creation time: " << date << "\n";

  // Write user comments
  if (this->Comments)
  {
    char* cp = this->Comments;
    while (*cp)
    {
      if (*cp != '%')
      {
        outfile << "% ";
      }
      while (*cp && *cp != '\n')
      {
        if (isprint(*cp) || *cp == '\t')
        {
          outfile << *cp;
        }
        cp++;
      }
      outfile << "\n";