+
+ /**
+ * @brief Retrieves the underline color.
+ *
+ * @return The underline color.
+ */
+ virtual const Vector4& GetUnderlineColor() const = 0;
+
+ /**
+ * @brief Returns whether underline is enabled or not.
+ *
+ * @return The underline state.
+ */
+ virtual bool IsUnderlineEnabled() const = 0;
+
+ /**
+ * @brief Retrieves the underline height override
+ *
+ * @return Returns the override height for an underline, 0 indicates that adaptor will determine the height
+ */
+ virtual float GetUnderlineHeight() const = 0;
+
+ /**
+ * @brief Retrieves the number of underline runs.
+ *
+ * @return The number of underline runs.
+ */
+ virtual Length GetNumberOfUnderlineRuns() const = 0;
+
+ /**
+ * @brief Retrieves the underline runs.
+ *
+ * @param[out] underlineRuns Pointer to a buffer where the underline runs are copied.
+ * @param[in] index Index of the first underline run to be copied.
+ * @param[in] numberOfRuns Number of underline runs to be copied.
+ */
+ virtual void GetUnderlineRuns( GlyphRun* underlineRuns,
+ UnderlineRunIndex index,
+ Length numberOfRuns ) const = 0;