Method LabeledImageLookupTable

Modules/DataTypesExt/src/mitkLabeledImageLookupTable.cpp:20–52

* Default constructor. Protected to prevent "normal" creation */

 * Default constructor. Protected to prevent "normal" creation
 */
mitk::LabeledImageLookupTable::LabeledImageLookupTable() : m_LevelWindow(128, 256)
{
  if (m_LookupTable == nullptr)
  {
    itkWarningMacro(
      "LookupTable is nullptr, it should have been initialized by the default constructor of mitk::LookupTable");
    m_LookupTable = vtkLookupTable::New();
  }
  m_LookupTable->SetNumberOfTableValues(256);

  // set the background to black and fully transparent
  m_LookupTable->SetTableValue(0, 0.0, 0.0, 0.0, 0.0);

  // initialize the remaining 255 colors with random values and
  // an alpha value of 1.0
  double r, g, b;

  //
  // Initialize the random number generator with an arbitrary seed.
  // This way, the generated colors are random, but always the same...
  std::srand(2);
  for (vtkIdType index = 1; index < 256; ++index)
  {
    GenerateRandomColor(r, g, b);
    m_LookupTable->SetTableValue(index, r, g, b);
  }

  // initialize the default level/window settings,
  // which can be accessed via GetLevelWindow();
  m_LevelWindow.SetRangeMinMax(0, 255);
  m_LevelWindow.SetWindowBounds(0, 255);
  m_LevelWindow.SetFixed(true);
}

mitk::LabeledImageLookupTable::LabeledImageLookupTable(const mitk::LabeledImageLookupTable &other)
  : LookupTable(other), m_LevelWindow(other.m_LevelWindow)