增加UI组件支持

Runtime/Internal/Utilities/UIHelper.cs

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+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using XUGL;
+
+namespace XCharts.Runtime
+{
+    /// <summary>
+    /// UI帮助类。
+    /// </summary>
+    public static class UIHelper
+    {
+        internal static void DrawBackground(VertexHelper vh, UIComponent component)
+        {
+            if (component.background.show == false ||
+                (component.background.sprite == null && ChartHelper.IsClearColor(component.background.color)))
+            {
+                var p1 = new Vector3(component.graphX, component.graphY);
+                var p2 = new Vector3(component.graphX + component.graphWidth, component.graphY);
+                var p3 = new Vector3(component.graphX + component.graphWidth, component.graphY + component.graphHeight);
+                var p4 = new Vector3(component.graphX, component.graphY + component.graphHeight);
+                UGL.DrawQuadrilateral(vh, p1, p2, p3, p4, GetBackgroundColor(component));
+            }
+        }
+
+        internal static void InitBackground(UIComponent table)
+        {
+            if (table.background.show == false ||
+                (table.background.sprite == null && ChartHelper.IsClearColor(table.background.color)))
+            {
+                ChartHelper.DestoryGameObject(table.transform, "Background");
+                return;
+            }
+            var sizeDelta = table.background.width > 0 && table.background.height > 0 ?
+                new Vector2(table.background.width, table.background.height) :
+                table.graphSizeDelta;
+            var backgroundObj = ChartHelper.AddObject("Background", table.transform, table.graphMinAnchor,
+                table.graphMaxAnchor, table.graphPivot, sizeDelta);
+            backgroundObj.hideFlags = table.chartHideFlags;
+
+            var backgroundImage = ChartHelper.EnsureComponent<Image>(backgroundObj);
+            ChartHelper.UpdateRectTransform(backgroundObj, table.graphMinAnchor,
+                table.graphMaxAnchor, table.graphPivot, sizeDelta);
+            ChartHelper.SetBackground(backgroundImage, table.background);
+            backgroundObj.transform.SetSiblingIndex(0);
+        }
+
+        public static Color32 GetBackgroundColor(UIComponent component)
+        {
+            if (component.background.show && !ChartHelper.IsClearColor(component.background.color))
+                return component.background.color;
+            else
+                return component.theme.backgroundColor;
+        }
+    }
+}

Runtime/Internal/Utilities/UIHelper.cs.meta

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