drawFigure method
Implementation
@override
TextSpan? drawFigure(
MACDEntity entity, int precision, KChartColors chartColors) {
if (entity.cci == null) return null;
return TextSpan(
text: "CCI(${calcParams.first}):${formatNumber(entity.cci!, precision)}",
style: getTextStyle(indicatorStyle.cciColor),
);
}