修复Bar在水平方向时Label设置为Bottom不生效的问题

Documentation~/zh/changelog.md

@@ -68,6 +68,7 @@ slug: /changelog
 
 ## master
 
+* (2023.09.29) 修复`Bar`在水平方向时`Label`设置为`Bottom`不生效的问题
 * (2023.09.22) 增加`Line`的平滑曲线对`Dash`虚线的支持
 * (2023.09.16) 修复`Tooltip`在类目轴无数据时异常报错的问题 (#279)
 * (2023.09.16) 修复`Pie`无数据时绘制异常的问题 (#278)

Runtime/Serie/Bar/BarHandler.cs

@@ -67,7 +67,10 @@ namespace XCharts.Runtime
                 {
                     case LabelStyle.Position.Bottom:
                         var center = serieData.context.rect.center;
-                        return new Vector3(center.x, center.y - serieData.context.rect.height / 2);
+                        if(serie.context.isHorizontal)
+                            return new Vector3(center.x - serieData.context.rect.width/2, center.y);
+                        else
+                            return new Vector3(center.x, center.y - serieData.context.rect.height / 2);
                     case LabelStyle.Position.Center:
                     case LabelStyle.Position.Inside:
                         return serieData.context.rect.center;
@@ -193,6 +196,7 @@ namespace XCharts.Runtime
             var areaToColor = ColorUtil.clearColor32;
             var interacting = false;
 
+            serie.context.isHorizontal = isY;
             serie.containerIndex = m_SerieGrid.index;
             serie.containterInstanceId = m_SerieGrid.instanceId;
             serie.animation.InitProgress(axisXY, axisXY + axisLength);

Runtime/Serie/Line/LineHandler.GridCoord.cs

@@ -296,6 +296,7 @@ namespace XCharts.Runtime
             var lineWidth = LineHelper.GetLineWidth(ref interacting, serie, chart.theme.serie.lineWidth);
 
             axis.context.scaleWidth = scaleWid;
+            serie.context.isHorizontal = isY;
             serie.containerIndex = m_SerieGrid.index;
             serie.containterInstanceId = m_SerieGrid.instanceId;
 

Runtime/Serie/SerieContext.cs

@@ -119,5 +119,9 @@ namespace XCharts.Runtime
         public Tooltip.Type tooltipType;
         public Tooltip.Trigger tooltipTrigger;
         public int totalDataIndex;
+        /// <summary>
+        /// 水平方向的
+        /// </summary>
+        public bool isHorizontal;
     }
 }