dataSource = JXSegmentedTitleDataSource()
    dataSource.titleNormalFont = fontR(16)
    dataSource.itemSpacing = 20
    dataSource.isItemSpacingAverageEnabled = false
    dataSource.isItemWidthZoomEnabled = true
    dataSource.isTitleZoomEnabled = true
    dataSource.titleSelectedZoomScale = 24.0/16.0
    dataSource.isTitleStrokeWidthEnabled = true
    dataSource.titleSelectedStrokeWidth = -4