RadarChartMarker constructor
Implementation
RadarChartMarker({Color? textColor, Color? backColor, double? fontSize})
: _textColor = textColor,
_backColor = backColor,
_fontSize = fontSize {
_formatter = DefaultValueFormatter(0);
_textColor ??= ColorUtils.purple;
_backColor ??= ColorUtils.white;
_fontSize ??= Utils.convertDpToPixel(10);
}