fix pie chart fade out animation #168

CHANGELOG-EN.md

@@ -40,6 +40,7 @@
 
 ## master
 
+* (2021.09.07) Fixed bug where `label` does not disappear at the end of `PieChart` fade animation #168
 * (2021.09.06) Fixed bug where `GaugeChart` changing `splitNumber` with code does not refresh `label` #167
 
 ## v2.4.0

CHANGELOG.md

@@ -40,6 +40,7 @@
 
 ## master
 
+* (2021.09.07) 修复`PieChart`渐出动画结束时`label`没有消失的问题 #168
 * (2021.09.06) 修复`GaugeChart`用代码改变`splitNumber`不会刷新`label`的问题 #167
 
 ## v2.4.0

Runtime/Internal/BaseChart.cs

@@ -546,6 +546,7 @@ namespace XCharts
             var iconStyle = SerieHelper.GetIconStyle(serie, serieData);
             if (serie.IsPerformanceMode()) return;
             if (!serieLabel.show && !iconStyle.show) return;
+            if(serie.animation.enable && serie.animation.HasFadeOut()) return;
             var textName = ChartCached.GetSerieLabelName(s_SerieLabelObjectName, serie.index, serieData.index);
             var color = Color.grey;
             if (serie.type == SerieType.Pie)

Runtime/Internal/DrawSeriePie.cs

@@ -413,6 +413,7 @@ namespace XCharts
 
         private void DrawPieLabelLine(VertexHelper vh, Serie serie, SerieData serieData, Color color)
         {
+            if (serie.animation.enable && serie.animation.HasFadeOut()) return;
             var serieLabel = SerieHelper.GetSerieLabel(serie, serieData);
             if (serieLabel.show
                 && serieLabel.position == SerieLabel.Position.Outside
@@ -496,6 +497,7 @@ namespace XCharts
         private void DrawPieLabel(Serie serie, int dataIndex, SerieData serieData, Color serieColor)
         {
             if (serieData.labelObject == null) return;
+            if (serie.animation.enable && serie.animation.HasFadeOut()) return;
             var currAngle = serieData.runtimePieHalfAngle;
             var isHighlight = (serieData.highlighted && serie.emphasis.label.show);
             var serieLabel = SerieHelper.GetSerieLabel(serie, serieData);