Implementation
@override
void drawText(Canvas canvas, KLineEntity data, double x) {
List<TextSpan>? children;
switch (state) {
case SecondaryState.VOLATILITY:
List<TextSpan> spans = [];
spans.add(TextSpan(
text: "Volatility(ATR/Close) ",
style: getTextStyle(chartColors.defaultTextColor),
));
if (data.volIndicator != null) {
spans.add(TextSpan(
text: "Vol:${format(data.volIndicator)} ",
style: getTextStyle(chartColors.volIndicatorColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans), textDirection: TextDirection.ltr);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.ENVELOPES:
List<TextSpan> spans = [];
spans.add(TextSpan(
text: "Envelopes(20,2%) ",
style: getTextStyle(chartColors.defaultTextColor),
));
if (data.envMid != null) {
spans.add(TextSpan(
text: "MID:${format(data.envMid)} ",
style: getTextStyle(chartColors.envMidColor),
));
}
if (data.envUp != null) {
spans.add(TextSpan(
text: "UP:${format(data.envUp)} ",
style: getTextStyle(chartColors.envUpColor),
));
}
if (data.envDn != null) {
spans.add(TextSpan(
text: "DN:${format(data.envDn)} ",
style: getTextStyle(chartColors.envDnColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans), textDirection: TextDirection.ltr);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.SUPER_TREND:
List<TextSpan> spans = [];
spans.add(TextSpan(
text: "SuperTrend ",
style: getTextStyle(chartColors.defaultTextColor),
));
if (data.superTrend != null) {
final Color trendColor = (data.superTrendDirection ?? 1.0) >= 0
? chartColors.superTrendUpColor
: chartColors.superTrendDownColor;
spans.add(TextSpan(
text: "ST:${format(data.superTrend)} ",
style: getTextStyle(trendColor),
));
}
if (data.superTrendUpper != null) {
spans.add(TextSpan(
text: "UP:${format(data.superTrendUpper)} ",
style: getTextStyle(chartColors.superTrendUpperColor),
));
}
if (data.superTrendLower != null) {
spans.add(TextSpan(
text: "DN:${format(data.superTrendLower)} ",
style: getTextStyle(chartColors.superTrendLowerColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans), textDirection: TextDirection.ltr);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.STC:
List<TextSpan> stcSpans = [];
stcSpans.add(TextSpan(
text: "STC ",
style: getTextStyle(chartColors.defaultTextColor),
));
if (data.stc != null) {
stcSpans.add(TextSpan(
text: "${format(data.stc)} ",
style: getTextStyle(chartColors.stcColor),
));
}
TextPainter tpStc = TextPainter(
text: TextSpan(children: stcSpans),
textDirection: TextDirection.ltr);
tpStc.layout();
tpStc.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.QQE:
List<TextSpan> qqeSpans = [];
qqeSpans.add(TextSpan(
text: "QQE ",
style: getTextStyle(chartColors.defaultTextColor),
));
if (data.qqe != null) {
qqeSpans.add(TextSpan(
text: "Main:${format(data.qqe)} ",
style: getTextStyle(chartColors.qqeColor),
));
}
if (data.qqeSignal != null) {
qqeSpans.add(TextSpan(
text: "Sig:${format(data.qqeSignal)} ",
style: getTextStyle(chartColors.qqeSignalColor),
));
}
TextPainter tpQqe = TextPainter(
text: TextSpan(children: qqeSpans),
textDirection: TextDirection.ltr);
tpQqe.layout();
tpQqe.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.WAVE_TREND:
List<TextSpan> wtSpans = [];
wtSpans.add(TextSpan(
text: "WaveTrend ",
style: getTextStyle(chartColors.defaultTextColor),
));
if (data.waveTrend1 != null) {
wtSpans.add(TextSpan(
text: "WT1:${format(data.waveTrend1)} ",
style: getTextStyle(chartColors.waveTrend1Color),
));
}
if (data.waveTrend2 != null) {
wtSpans.add(TextSpan(
text: "WT2:${format(data.waveTrend2)} ",
style: getTextStyle(chartColors.waveTrend2Color),
));
}
TextPainter tpWt = TextPainter(
text: TextSpan(children: wtSpans),
textDirection: TextDirection.ltr);
tpWt.layout();
tpWt.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.CMO:
List<TextSpan> cmoSpans = [];
cmoSpans.add(TextSpan(
text: "CMO ",
style: getTextStyle(chartColors.defaultTextColor),
));
if (data.cmo != null) {
cmoSpans.add(TextSpan(
text: "${format(data.cmo)} ",
style: getTextStyle(chartColors.cmoColor),
));
}
TextPainter tpCmo = TextPainter(
text: TextSpan(children: cmoSpans),
textDirection: TextDirection.ltr);
tpCmo.layout();
tpCmo.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.EOM:
List<TextSpan> eomSpans = [];
eomSpans.add(TextSpan(
text: "EOM ",
style: getTextStyle(chartColors.defaultTextColor),
));
if (data.eom != null) {
eomSpans.add(TextSpan(
text: "${format(data.eom)} ",
style: getTextStyle(chartColors.eomColor),
));
}
TextPainter tpEom = TextPainter(
text: TextSpan(children: eomSpans),
textDirection: TextDirection.ltr);
tpEom.layout();
tpEom.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.PVI_NVI:
List<TextSpan> pviSpans = [];
pviSpans.add(TextSpan(
text: "PVI/NVI ",
style: getTextStyle(chartColors.defaultTextColor),
));
if (data.pvi != null) {
pviSpans.add(TextSpan(
text: "P:${format(data.pvi)} ",
style: getTextStyle(chartColors.pviColor),
));
}
if (data.nvi != null) {
pviSpans.add(TextSpan(
text: "N:${format(data.nvi)} ",
style: getTextStyle(chartColors.nviColor),
));
}
TextPainter tpPvi = TextPainter(
text: TextSpan(children: pviSpans),
textDirection: TextDirection.ltr);
tpPvi.layout();
tpPvi.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.MFI:
List<TextSpan> spans = [];
spans.add(
TextSpan(
text: "MFI(14) ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.mfi != null) {
spans.add(TextSpan(
text: "MFI:${format(data.mfi)} ",
style: getTextStyle(chartColors.mfiColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans), textDirection: TextDirection.ltr);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.MOMENTUM:
List<TextSpan> spans = [];
spans.add(
TextSpan(
text: "Momentum(10) ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.momentum != null) {
spans.add(TextSpan(
text: "MOM:${format(data.momentum)} ",
style: getTextStyle(chartColors.momentumColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.DEMARKER:
List<TextSpan> spans = [];
spans.add(TextSpan(
text: "DeM(14) ",
style: getTextStyle(chartColors.defaultTextColor),
));
if (data.dem != null) {
// 若是 [0,1], 也可 *100 => 0~100
spans.add(TextSpan(
text: "DeM:${format(data.dem)} ",
style: getTextStyle(chartColors.demColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.WPR:
List<TextSpan> spans = [];
spans.add(
TextSpan(
text: "WPR(14) ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.wpr != null) {
spans.add(TextSpan(
text: "%R:${format(data.wpr)} ",
style: getTextStyle(chartColors.wprColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.STOCHASTIC:
List<TextSpan> spans = [];
spans.add(
TextSpan(
text: "Stoch(14,3) ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.stochK != null) {
spans.add(TextSpan(
text: "K:${format(data.stochK)} ",
style: getTextStyle(chartColors.stochKColor),
));
}
if (data.stochD != null) {
spans.add(TextSpan(
text: "D:${format(data.stochD)} ",
style: getTextStyle(chartColors.stochDColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.STDDEV:
List<TextSpan> spans = [];
spans.add(TextSpan(
text: "StdDev(14) ",
style: getTextStyle(chartColors.defaultTextColor),
));
if (data.stdDev != null) {
spans.add(TextSpan(
text: "SD:${format(data.stdDev)} ",
style: getTextStyle(chartColors.stdDevColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.ADX:
List<TextSpan> spans = [];
spans.add(
TextSpan(
text: "ADX(14) ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.adx != null) {
spans.add(
TextSpan(
text: "ADX:${format(data.adx)} ",
style: getTextStyle(chartColors.adxColor),
),
);
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.VIX:
List<TextSpan> spans = [];
spans.add(TextSpan(
text: "VIX(14) ", // 如果你算14日近似
style: getTextStyle(chartColors.defaultTextColor),
));
if (data.vix != null) {
spans.add(TextSpan(
text: "VIX:${format(data.vix)} ",
style: getTextStyle(chartColors.vixColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.ADL:
List<TextSpan> spans = [];
spans.add(
TextSpan(
text: "A/D Line ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.adl != null) {
spans.add(TextSpan(
text: "ADL:${format(data.adl)} ",
style: getTextStyle(chartColors.adlColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.OBV:
List<TextSpan> spans = [];
spans.add(
TextSpan(
text: "OBV(Vol), EMA(10) ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.obv != null) {
spans.add(TextSpan(
text: "OBV:${format(data.obv)} ",
style: getTextStyle(chartColors.obvColor),
));
}
if (data.obvEma != null) {
spans.add(TextSpan(
text: "OBV-EMA:${format(data.obvEma)} ",
style: getTextStyle(chartColors.obvEmaColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.VWAP:
List<TextSpan> spans = [];
spans.add(
TextSpan(
text: "VWAP ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.vwap != null) {
spans.add(
TextSpan(
text: "VWAP:${format(data.vwap)} ",
style: getTextStyle(chartColors.vwapColor),
),
);
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.HV:
List<TextSpan> spans = [];
spans.add(
TextSpan(
text: "HV(14) ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.hv != null) {
spans.add(
TextSpan(
text: "HV:${format(data.hv)} ", // 假设data.hv=25.3 -> "25.30"
style: getTextStyle(chartColors.hvColor),
),
);
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.ATR:
List<TextSpan> spans = [];
spans.add(
TextSpan(
text: "ATR(14) ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.atr != null) {
spans.add(
TextSpan(
text: "ATR:${format(data.atr)} ",
style: getTextStyle(chartColors.atrColor),
),
);
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.VORTEX:
List<TextSpan> children = [];
children.add(
TextSpan(
text: "Vortex(14) ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.viPlus != null) {
children.add(TextSpan(
text: "+VI:${format(data.viPlus)} ",
style: getTextStyle(chartColors.vortexPlusColor),
));
}
if (data.viMinus != null) {
children.add(TextSpan(
text: "-VI:${format(data.viMinus)} ",
style: getTextStyle(chartColors.vortexMinusColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: children),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.AROON:
List<TextSpan> spans = [];
spans.add(
TextSpan(
text: "Aroon(14) ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.aroonUp != null) {
spans.add(TextSpan(
text: "Up:${format(data.aroonUp)} ",
style: getTextStyle(chartColors.aroonUpColor),
));
}
if (data.aroonDown != null) {
spans.add(TextSpan(
text: "Down:${format(data.aroonDown)} ",
style: getTextStyle(chartColors.aroonDownColor),
));
}
if (data.aroonOsc != null) {
spans.add(TextSpan(
text: "Osc:${format(data.aroonOsc)} ",
style: getTextStyle(chartColors.aroonOscColor),
));
}
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.SAR:
List<TextSpan> spans = [];
spans.add(
TextSpan(
text: "SAR(0.02,0.2) ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.psar != null) {
spans.add(
TextSpan(
text: "PSAR:${format(data.psar)} ",
style: getTextStyle(chartColors.sarColor),
),
);
}
// 组装
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.ICHIMOKU:
// 组合5条线的字段到 children
List<TextSpan> spans = [];
spans.add(
TextSpan(
text: "Ichimoku(9,26,52) ",
style: getTextStyle(chartColors.defaultTextColor),
),
);
if (data.ichimokuTenkan != null) {
spans.add(TextSpan(
text: "Tenkan:${format(data.ichimokuTenkan)} ",
style: getTextStyle(chartColors.ichimokuTenkanColor)));
}
if (data.ichimokuKijun != null) {
spans.add(TextSpan(
text: "Kijun:${format(data.ichimokuKijun)} ",
style: getTextStyle(chartColors.ichimokuKijunColor)));
}
if (data.ichimokuSpanA != null) {
spans.add(TextSpan(
text: "SpanA:${format(data.ichimokuSpanA)} ",
style: getTextStyle(chartColors.ichimokuSpanAColor)));
}
if (data.ichimokuSpanB != null) {
spans.add(TextSpan(
text: "SpanB:${format(data.ichimokuSpanB)} ",
style: getTextStyle(chartColors.ichimokuSpanBColor)));
}
if (data.ichimokuChikou != null) {
spans.add(TextSpan(
text: "Chikou:${format(data.ichimokuChikou)} ",
style: getTextStyle(chartColors.ichimokuChikouColor)));
}
// 将span列表转成TextSpan
TextPainter tp = TextPainter(
text: TextSpan(children: spans),
textDirection: TextDirection.ltr,
);
tp.layout();
// 在 secondaryRect 顶部一点的位置画文字
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
break;
case SecondaryState.TSI:
children = [
TextSpan(
text: "TSI(25,13,9) ",
style: getTextStyle(chartColors.defaultTextColor)),
if (data.tsi != null)
TextSpan(
text: "TSI:${format(data.tsi)} ",
style: getTextStyle(chartColors.tsiColor)),
if (data.tsiSignal != null)
TextSpan(
text: "SIGNAL:${format(data.tsiSignal)} ",
style: getTextStyle(chartColors.tsiSignalColor)),
];
break;
case SecondaryState.PPO:
children = [
TextSpan(
text: "PPO(12,26,9) ",
style: getTextStyle(chartColors.defaultTextColor),
),
if (data.ppo != null)
TextSpan(
text: "PPO:${format(data.ppo)} ",
style: getTextStyle(chartColors.ppoColor),
),
if (data.ppoSignal != null)
TextSpan(
text: "SIGNAL:${format(data.ppoSignal)} ",
style: getTextStyle(chartColors.ppoSignalColor),
),
];
break;
case SecondaryState.TRIX:
children = [
TextSpan(
text: "TRIX(12,9) ",
style: getTextStyle(chartColors.defaultTextColor),
),
if (data.trix != null)
TextSpan(
text: "TRIX:${format(data.trix)} ",
style: getTextStyle(chartColors.trixColor),
),
if (data.trixSignal != null)
TextSpan(
text: "SIGNAL:${format(data.trixSignal)} ",
style: getTextStyle(chartColors.trixSignalColor),
),
];
break;
case SecondaryState.DMI:
children = [
TextSpan(
text: "DMI(14): ",
style: getTextStyle(chartColors.defaultTextColor),
),
if (data.pdi != null)
TextSpan(
text: "PDI:${format(data.pdi)} ",
style: getTextStyle(chartColors.dmiPdiColor),
),
if (data.mdi != null)
TextSpan(
text: "MDI:${format(data.mdi)} ",
style: getTextStyle(chartColors.dmiMdiColor),
),
if (data.adx != null)
TextSpan(
text: "ADX:${format(data.adx)} ",
style: getTextStyle(chartColors.dmiAdxColor),
),
if (data.adxr != null)
TextSpan(
text: "ADXR:${format(data.adxr)} ",
style: getTextStyle(chartColors.dmiAdxrColor),
),
];
break;
case SecondaryState.MACD:
children = [
TextSpan(
text: "MACD(12,26,9) ",
style: getTextStyle(this.chartColors.defaultTextColor)),
if (data.macd != 0)
TextSpan(
text: "MACD:${format(data.macd)} ",
style: getTextStyle(this.chartColors.macdColor)),
if (data.dif != 0)
TextSpan(
text: "DIF:${format(data.dif)} ",
style: getTextStyle(this.chartColors.difColor)),
if (data.dea != 0)
TextSpan(
text: "DEA:${format(data.dea)} ",
style: getTextStyle(this.chartColors.deaColor)),
if (data.osma != 0)
TextSpan(
text: "OsMA:${format(data.osma)} ",
style: getTextStyle(chartColors.osmaColor),
)
];
break;
case SecondaryState.KDJ:
children = [
TextSpan(
text: "KDJ(9,1,3) ",
style: getTextStyle(this.chartColors.defaultTextColor)),
if (data.macd != 0)
TextSpan(
text: "K:${format(data.k)} ",
style: getTextStyle(this.chartColors.kColor)),
if (data.dif != 0)
TextSpan(
text: "D:${format(data.d)} ",
style: getTextStyle(this.chartColors.dColor)),
if (data.dea != 0)
TextSpan(
text: "J:${format(data.j)} ",
style: getTextStyle(this.chartColors.jColor)),
];
break;
case SecondaryState.RSI:
children = [
TextSpan(
text: "RSI(14):${format(data.rsi)} ",
style: getTextStyle(this.chartColors.rsiColor)),
];
break;
case SecondaryState.WR:
children = [
TextSpan(
text: "WR(14):${format(data.r)} ",
style: getTextStyle(this.chartColors.rsiColor)),
];
break;
case SecondaryState.CCI:
children = [
TextSpan(
text: "CCI(14):${format(data.cci)} ",
style: getTextStyle(this.chartColors.rsiColor)),
];
break;
case SecondaryState.CMF:
children = [
TextSpan(
text: "CMF:${format(data.cmf)} ",
style: getTextStyle(chartColors.cmfColor)),
];
break;
case SecondaryState.CHAIKIN_OSC:
children = [
TextSpan(
text: "Chaikin Osc:${format(data.chaikinOscillator)} ",
style: getTextStyle(chartColors.chaikinOscColor)),
];
break;
case SecondaryState.KLINGER:
children = [
TextSpan(
text: "KVO:${format(data.kvo)} ",
style: getTextStyle(chartColors.klingerColor)),
TextSpan(
text: "Sig:${format(data.kvoSignal)} ",
style: getTextStyle(chartColors.klingerSignalColor)),
];
break;
case SecondaryState.VPT:
children = [
TextSpan(
text: "VPT:${format(data.vpt)} ",
style: getTextStyle(chartColors.vptColor)),
];
break;
case SecondaryState.FORCE:
children = [
TextSpan(
text: "Force:${format(data.forceIndex)} ",
style: getTextStyle(chartColors.forceIndexColor)),
];
break;
case SecondaryState.ROC:
children = [
TextSpan(
text: "ROC:${format(data.roc)} ",
style: getTextStyle(chartColors.rocColor)),
TextSpan(
text: "Sig:${format(data.rocSignal)} ",
style: getTextStyle(chartColors.rocSignalColor)),
];
break;
case SecondaryState.ULTIMATE:
children = [
TextSpan(
text: "Ultimate:${format(data.ultimateOsc)} ",
style: getTextStyle(chartColors.ultimateOscColor)),
];
break;
case SecondaryState.CONNORS_RSI:
children = [
TextSpan(
text: "ConnorsRSI:${format(data.connorsRsi)} ",
style: getTextStyle(chartColors.connorsRsiColor)),
];
break;
case SecondaryState.STOCH_RSI:
children = [
TextSpan(
text: "StochRSI %K:${format(data.stochRsiK)} ",
style: getTextStyle(chartColors.stochRsiKColor)),
TextSpan(
text: "%D:${format(data.stochRsiD)} ",
style: getTextStyle(chartColors.stochRsiDColor)),
];
break;
case SecondaryState.RVI:
children = [
TextSpan(
text: "RVI:${format(data.rvi)} ",
style: getTextStyle(chartColors.rviColor)),
TextSpan(
text: "Sig:${format(data.rviSignal)} ",
style: getTextStyle(chartColors.rviSignalColor)),
];
break;
case SecondaryState.DPO:
children = [
TextSpan(
text: "DPO:${format(data.dpo)} ",
style: getTextStyle(chartColors.dpoColor)),
];
break;
case SecondaryState.KAMA:
children = [
TextSpan(
text: "KAMA:${format(data.kama)} ",
style: getTextStyle(chartColors.kamaColor)),
];
break;
case SecondaryState.HMA:
children = [
TextSpan(
text: "HMA:${format(data.hma)} ",
style: getTextStyle(chartColors.hmaColor)),
];
break;
case SecondaryState.KELTNER:
children = [
TextSpan(
text: "Keltner Mid:${format(data.keltnerMiddle)} ",
style: getTextStyle(chartColors.keltnerMidColor)),
TextSpan(
text: "Up:${format(data.keltnerUpper)} ",
style: getTextStyle(chartColors.keltnerUpColor)),
TextSpan(
text: "Dn:${format(data.keltnerLower)} ",
style: getTextStyle(chartColors.keltnerDnColor)),
];
break;
case SecondaryState.DONCHIAN:
children = [
TextSpan(
text: "Donchian Mid:${format(data.donchianMiddle)} ",
style: getTextStyle(chartColors.donchianMidColor)),
TextSpan(
text: "Up:${format(data.donchianUpper)} ",
style: getTextStyle(chartColors.donchianUpColor)),
TextSpan(
text: "Dn:${format(data.donchianLower)} ",
style: getTextStyle(chartColors.donchianDnColor)),
];
break;
case SecondaryState.BOLL_BANDWIDTH:
children = [
TextSpan(
text: "Boll BW:${format(data.bollBandwidth)} ",
style: getTextStyle(chartColors.bollBandwidthColor)),
];
break;
case SecondaryState.CHAIKIN_VOLATILITY:
children = [
TextSpan(
text: "Chaikin Vol:${format(data.chaikinVolatility)} ",
style: getTextStyle(chartColors.chaikinVolatilityColor)),
];
break;
case SecondaryState.HV_PERCENTILE:
children = [
TextSpan(
text: "HV %:${format(data.hvPercentile)} ",
style: getTextStyle(chartColors.hvPercentileColor)),
];
break;
case SecondaryState.ATR_PERCENTILE:
children = [
TextSpan(
text: "ATR %:${format(data.atrPercentile)} ",
style: getTextStyle(chartColors.atrPercentileColor)),
];
break;
case SecondaryState.ELDER_RAY:
children = [
TextSpan(
text: "Bull:${format(data.elderBull)} ",
style: getTextStyle(chartColors.elderBullColor)),
TextSpan(
text: "Bear:${format(data.elderBear)} ",
style: getTextStyle(chartColors.elderBearColor)),
];
break;
case SecondaryState.ICHIMOKU_SPAN:
children = [
TextSpan(
text: "SpanΔ:${format(data.ichimokuSpanDiff)} ",
style: getTextStyle(chartColors.ichimokuSpanDiffColor)),
];
break;
case SecondaryState.PIVOT:
children = [
TextSpan(
text: "Pivot:${format(data.pivot)} ",
style: getTextStyle(chartColors.pivotColor)),
TextSpan(
text: "R1:${format(data.pivotR1)} ",
style: getTextStyle(chartColors.pivotResistanceColor)),
TextSpan(
text: "S1:${format(data.pivotS1)} ",
style: getTextStyle(chartColors.pivotSupportColor)),
];
break;
case SecondaryState.GANN_FAN:
children = [
TextSpan(
text: "Gann1x1:${format(data.gann1x1)} ",
style: getTextStyle(chartColors.gann1x1Color)),
TextSpan(
text: "1x2:${format(data.gann1x2)} ",
style: getTextStyle(chartColors.gann1x2Color)),
TextSpan(
text: "2x1:${format(data.gann2x1)} ",
style: getTextStyle(chartColors.gann2x1Color)),
];
break;
default:
break;
}
TextPainter tp = TextPainter(
text: TextSpan(children: children ?? []),
textDirection: TextDirection.ltr);
tp.layout();
tp.paint(canvas, Offset(x, chartRect.top - topPadding));
}
