Method GetPointerToData

IO/Image/vtkImageExport.cxx:164–183

// update, though)

void* vtkImageExport::GetPointerToData()
{
  // Error checking
  if (this->GetInput() == nullptr)
  {
    vtkErrorMacro(<< "Export: Please specify an input!");
    return nullptr;
  }

  vtkImageData* input = this->GetInput();
  vtkAlgorithm* inpAlgorithm = this->GetInputAlgorithm();
  inpAlgorithm->UpdateInformation();
  inpAlgorithm->ReleaseDataFlagOff();

  inpAlgorithm->UpdateWholeExtent();
  this->UpdateProgress(0.0);
  this->UpdateProgress(1.0);

  return input->GetScalarPointer();
}

//------------------------------------------------------------------------------
void* vtkImageExport::GetCallbackUserData()