Function realize_needed_visual

src/laybasic/laybasic/layLayerProperties.h:895–898

* @brief Tell, if a realize of the visual properties is needed */

   *  @brief Tell, if a realize of the visual properties is needed
   */
  bool realize_needed_visual () const
  {
    return m_realize_needed_visual;
  }

  /** 
   *  @brief Tell, if a realize of the source properties is needed