增加LabelStyle的autoRotate可设置有角度的竖版文本的自动旋转

Runtime/Component/Axis/Axis.cs

@@ -576,13 +576,7 @@ namespace XCharts.Runtime
             {
                 total = context.labelValueList.Count;
             }
-            var labelShow = axisLabel.show && (axisLabel.interval == 0 || index % (axisLabel.interval + 1) == 0);
-            if (labelShow)
-            {
-                if (!axisLabel.showStartLabel && index == 0) labelShow = false;
-                else if (!axisLabel.showEndLabel && index == total - 1) labelShow = false;
-            }
-            return labelShow;
+            return axisLabel.IsNeedShowLabel(index, total);
         }
 
         public void SetNeedUpdateFilterData()

Runtime/Component/Axis/AxisLabel.cs

@@ -96,10 +96,10 @@ namespace XCharts.Runtime
                 return new AxisLabel()
                 {
                     m_Show = true,
-                        m_Interval = 0,
-                        m_Inside = false,
-                        m_Distance = 8,
-                        m_TextStyle = new TextStyle(),
+                    m_Interval = 0,
+                    m_Inside = false,
+                    m_Distance = 8,
+                    m_TextStyle = new TextStyle(),
                 };
             }
         }
@@ -168,5 +168,16 @@ namespace XCharts.Runtime
             }
             return base.GetFormatterContent(labelIndex, value, minValue, maxValue, isLog);
         }
+
+        public bool IsNeedShowLabel(int index, int total)
+        {
+            var labelShow = show && (interval == 0 || index % (interval + 1) == 0);
+            if (labelShow)
+            {
+                if (!showStartLabel && index == 0) labelShow = false;
+                else if (!showEndLabel && index == total - 1) labelShow = false;
+            }
+            return labelShow;
+        }
     }
 }

Runtime/Component/Label/LabelStyle.cs

@@ -74,6 +74,7 @@ namespace XCharts.Runtime
         [SerializeField] protected bool m_AutoOffset = false;
         [SerializeField] protected Vector3 m_Offset;
         [SerializeField] protected float m_Rotate;
+        [SerializeField][Since("v3.6.0")] protected bool m_AutoRotate = false;
         [SerializeField] protected float m_Distance;
         [SerializeField] protected string m_Formatter;
         [SerializeField] protected string m_NumericFormatter = "";
@@ -155,6 +156,15 @@ namespace XCharts.Runtime
             set { if (PropertyUtil.SetStruct(ref m_Rotate, value)) SetComponentDirty(); }
         }
         /// <summary>
+        /// auto rotate of label.
+        /// |是否自动旋转。
+        /// </summary>
+        public bool autoRotate
+        {
+            get { return m_AutoRotate; }
+            set { if (PropertyUtil.SetStruct(ref m_AutoRotate, value)) SetComponentDirty(); }
+        }
+        /// <summary>
         /// 距离轴线的距离。
         /// </summary>
         public float distance

Runtime/Internal/Object/ChartLabel.cs

@@ -169,6 +169,11 @@ namespace XCharts.Runtime
             if (m_LabelText != null) m_LabelText.SetColor(color);
         }
 
+        public void SetRotate(float rotate)
+        {
+            transform.localEulerAngles = new Vector3(0, 0, rotate);
+        }
+
         public void SetTextRotate(float rotate)
         {
             if (m_LabelText != null) m_LabelText.SetLocalEulerAngles(new Vector3(0, 0, rotate));
@@ -196,16 +201,15 @@ namespace XCharts.Runtime
 
         public void SetActive(bool flag)
         {
-            if (m_Active != flag)
-            {
-                m_Active = flag;
-                ChartHelper.SetActive(gameObject, flag);
-            }
+            m_Active = flag;
+            ChartHelper.SetActive(gameObject, flag);
         }
+
         public void SetTextActive(bool flag)
         {
             if (m_LabelText != null) m_LabelText.SetActive(flag);
         }
+
         public void SetIconActive(bool flag)
         {
             isIconActive = flag;

Runtime/Serie/Pie/PieHandler.cs

@@ -234,6 +234,7 @@ namespace XCharts.Runtime
                 }
                 var halfDegree = (serieData.context.toAngle - startDegree) / 2;
                 serieData.context.halfAngle = startDegree + halfDegree;
+                serieData.context.angle = startDegree + halfDegree;
                 serieData.context.offsetCenter = serie.context.center;
                 serieData.context.insideRadius = serie.context.insideRadius;
                 if (offset > 0)

Runtime/Serie/SerieHandler.cs

@@ -503,6 +503,13 @@ namespace XCharts.Runtime
             var labelPosition = GetSerieDataLabelPosition(serieData, currLabel);
             var offset = GetSerieDataLabelOffset(serieData, currLabel);
             serieData.labelObject.SetPosition(labelPosition + offset);
+            if (currLabel.autoRotate && serieData.context.angle != 0)
+            {
+                if (serieData.context.angle > 90 && serieData.context.angle < 270)
+                    serieData.labelObject.SetRotate(180 - serieData.context.angle);
+                else
+                    serieData.labelObject.SetRotate(-serieData.context.angle);
+            }
         }
 
         public virtual Vector3 GetSerieDataLabelPosition(SerieData serieData, LabelStyle label)