Method ExecuteDataWithInformation

IO/Image/vtkImageImport.cxx:252–269

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//------------------------------------------------------------------------------
void vtkImageImport::ExecuteDataWithInformation(vtkDataObject* output, vtkInformation* outInfo)
{
  // If set, use the callbacks to prepare our input data.
  this->InvokeExecuteDataCallbacks();

  vtkImageData* data = vtkImageData::SafeDownCast(output);
  data->SetExtent(0, 0, 0, 0, 0, 0);
  data->AllocateScalars(outInfo);
  void* ptr = this->GetImportVoidPointer();
  vtkIdType size = this->NumberOfScalarComponents;
  size *= this->DataExtent[1] - this->DataExtent[0] + 1;
  size *= this->DataExtent[3] - this->DataExtent[2] + 1;
  size *= this->DataExtent[5] - this->DataExtent[4] + 1;

  data->SetExtent(this->DataExtent);
  data->GetPointData()->GetScalars()->SetVoidArray(ptr, size, 1);
  data->GetPointData()->GetScalars()->SetName(this->ScalarArrayName);
}

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void vtkImageImport::CopyImportVoidPointer(void* ptr, vtkIdType size)