drawFigure method
Implementation
@override
TextSpan? drawFigure(
CandleEntity entity, int precision, KChartColors chartColors) {
if (entity.boll == null) return null;
Boll value = entity.boll!;
return TextSpan(
children: [
if (value.mid != null && value.mid != 0)
TextSpan(
text: "BOLL:${formatNumber(value.mid!, precision)} ",
style: TextStyle(
fontSize: 10,
color: indicatorStyle.bollColor,
),
),
if (value.up != null && value.up != 0)
TextSpan(
text: "UB:${formatNumber(value.up!, precision)} ",
style: TextStyle(
fontSize: 10,
color: indicatorStyle.ubColor,
),
),
if (value.dn != null && value.dn != 0)
TextSpan(
text: "LB:${formatNumber(value.dn!, precision)}",
style: TextStyle(
fontSize: 10,
color: indicatorStyle.lbColor,
),
),
],
);
}