[optimize][label] support label rotate

CHANGELOG.md

@@ -50,6 +50,7 @@
 
 ## master
 
+* (2022.04.19) 增加`Label`的`rotate`支持设置旋转
 * (2022.04.17) 修复`Bar`在数值为负数时动画无效的问题
 * (2022.04.17) 增加`ItemStyle`的`BorderGap`支持设置边框间距
 * (2022.04.16) 优化`Bar`的`Border`和`Capsule`胶囊柱图

Editor/ChildComponents/LabelStyleDrawer.cs

@@ -18,6 +18,7 @@ namespace XCharts.Editor
                 PropertyField(prop, "m_Position");
                 PropertyField(prop, "m_Offset");
                 PropertyField(prop, "m_AutoOffset");
+                PropertyField(prop, "m_Rotate");
                 PropertyField(prop, "m_Distance");
                 PropertyField(prop, "m_Formatter");
                 PropertyField(prop, "m_NumericFormatter");

Runtime/Component/Child/LabelStyle.cs

@@ -70,6 +70,7 @@ namespace XCharts.Runtime
         [SerializeField] protected bool m_Show = true;
         [SerializeField] Position m_Position = Position.Outside;
         [SerializeField] protected Vector3 m_Offset;
+        [SerializeField] protected float m_Rotate;
         [SerializeField] protected float m_Distance;
         [SerializeField] protected string m_Formatter;
         [SerializeField] protected float m_PaddingLeftRight = 2f;
@@ -88,6 +89,7 @@ namespace XCharts.Runtime
             m_Position = Position.Outside;
             m_Offset = Vector3.zero;
             m_Distance = 0;
+            m_Rotate = 0;
             m_PaddingLeftRight = 2f;
             m_PaddingTopBottom = 2f;
             m_BackgroundWidth = 0;
@@ -142,6 +144,15 @@ namespace XCharts.Runtime
             set { if (PropertyUtil.SetStruct(ref m_Offset, value)) SetVerticesDirty(); }
         }
         /// <summary>
+        /// Rotation of label.
+        /// |文本的旋转。
+        /// </summary>
+        public float rotate
+        {
+            get { return m_Rotate; }
+            set { if (PropertyUtil.SetStruct(ref m_Rotate, value)) SetComponentDirty(); }
+        }
+        /// <summary>
         /// 距离轴线的距离。
         /// </summary>
         public float distance

Runtime/Internal/Pools/SerieLabelPool.cs

@@ -27,12 +27,12 @@ namespace XCharts.Runtime
                 m_ReleaseDic.Remove(element.GetInstanceID());
                 element.name = name;
                 element.transform.SetParent(parent);
-                element.transform.localEulerAngles = new Vector3(0, 0, label.textStyle.rotate);
                 var text = new ChartText(element);
                 text.SetColor(color);
                 text.SetFontAndSizeAndStyle(label.textStyle, theme.common);
                 ChartHelper.SetActive(element, true);
             }
+            element.transform.localEulerAngles = new Vector3(0, 0, label.rotate);
             return element;
         }
 

Runtime/Internal/Utilities/ChartHelper.cs

@@ -237,7 +237,7 @@ namespace XCharts.Runtime
         {
             GameObject txtObj = AddObject(name, parent, anchorMin, anchorMax, pivot, sizeDelta);
             txtObj.transform.localEulerAngles = new Vector3(0, 0, textStyle.rotate);
-            if(chartText == null)
+            if (chartText == null)
                 chartText = new ChartText();
 #if dUI_TextMeshPro
             RemoveComponent<Text>(txtObj);
@@ -435,9 +435,29 @@ namespace XCharts.Runtime
         internal static GameObject AddSerieLabel(string name, Transform parent, float width, float height,
             Color color, TextStyle textStyle, ThemeStyle theme)
         {
-            var anchorMin = new Vector2(0.5f, 0.5f);
-            var anchorMax = new Vector2(0.5f, 0.5f);
-            var pivot = new Vector2(0.5f, 0.5f);
+            Vector3 anchorMin, anchorMax, pivot;
+            switch (textStyle.alignment)
+            {
+                case TextAnchor.LowerLeft:
+                case TextAnchor.UpperLeft:
+                case TextAnchor.MiddleLeft:
+                    anchorMin = new Vector2(0f, 0.5f);
+                    anchorMax = new Vector2(0f, 0.5f);
+                    pivot = new Vector2(0f, 0.5f);
+                    break;
+                case TextAnchor.LowerRight:
+                case TextAnchor.UpperRight:
+                case TextAnchor.MiddleRight:
+                    anchorMin = new Vector2(1, 0.5f);
+                    anchorMax = new Vector2(1, 0.5f);
+                    pivot = new Vector2(1, 0.5f);
+                    break;
+                default:
+                    anchorMin = new Vector2(0.5f, 0.5f);
+                    anchorMax = new Vector2(0.5f, 0.5f);
+                    pivot = new Vector2(0.5f, 0.5f);
+                    break;
+            }
             var sizeDelta = (width != 0 && height != 0)
                 ? new Vector2(width, height)
                 : new Vector2(50, textStyle.GetFontSize(theme.common) + 2);
@@ -450,7 +470,6 @@ namespace XCharts.Runtime
             txt.SetLocalPosition(new Vector2(0, 0));
             txt.SetLocalEulerAngles(Vector3.zero);
             labelObj.transform.localPosition = Vector3.zero;
-            labelObj.transform.localEulerAngles = new Vector3(0, 0, textStyle.rotate);
             return labelObj;
         }