float mTextFitMaxSize; ///< Maximum Font Size for text fit. Default 100
float mTextFitStepSize; ///< Step Size for font intervalse. Default 1
bool mTextFitEnabled : 1; ///< Whether the text's fit is enabled.
+ float mTextFitChanged; ///< Whether the text fit property has changed.
float mFontSizeScale; ///< Scale value for Font Size. Default 1.0
bool mIsLayoutDirectionChanged : 1; ///< Whether the layout has changed.