Method AddLabel

Modules/Multilabel/src/mitkLabelSetImage.cpp:933–973

}

mitk::Label* mitk::MultiLabelSegmentation::AddLabel(mitk::Label* label, GroupIndexType groupID, bool addAsClone, bool correctLabelValue)
{
  if (nullptr == label) mitkThrow() << "Invalid use of AddLabel. label is not valid.";

  mitk::Label::Pointer newLabel = label;

  {
    std::lock_guard<std::shared_mutex> guard(m_LabelNGroupMapsMutex);

    unsigned int max_size = mitk::Label::MAX_LABEL_VALUE + 1;
    if (m_LabelMap.size() >= max_size)
      return nullptr;

    if (addAsClone) newLabel = label->Clone();

    auto pixelValue = newLabel->GetValue();
    auto usedValues = this->GetUsedLabelValues();
    auto finding = std::find(usedValues.begin(), usedValues.end(), pixelValue);

    if (!usedValues.empty() && usedValues.end() != finding)
    {
      if (correctLabelValue)
      {
        pixelValue = this->GetUnusedLabelValue();
        newLabel->SetValue(pixelValue);
      }
      else
      {
        mitkThrow() << "Cannot add label due to conflicting label value that already exists in the MultiLabelSegmentation. Conflicting label value: " << pixelValue;
      }
    }

    this->AddLabelToMap(pixelValue, newLabel, groupID);
    this->RegisterLabel(newLabel);
  }

  this->InvokeEvent(LabelAddedEvent(newLabel->GetValue()));
  this->Modified();

  return newLabel;
}

mitk::Label* mitk::MultiLabelSegmentation::AddLabelWithContent(Label* label, const Image* labelContent, GroupIndexType groupID, LabelValueType contentLabelValue, bool addAsClone, bool correctLabelValue)
{