增加Background背景组件

Runtime/Internal/Helper/ThemeHelper.cs

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+/******************************************/
+/*                                        */
+/*     Copyright (c) 2018 monitor1394     */
+/*     https://github.com/monitor1394     */
+/*                                        */
+/******************************************/
+
+using UnityEngine;
+
+namespace XCharts
+{
+    internal static class ThemeHelper
+    {
+        public static Color GetBackgroundColor(ThemeInfo themeInfo, Background background, bool m_IsControlledByLayout)
+        {
+            if (!m_IsControlledByLayout && background.show && background.hideThemeBackgroundColor) return Color.clear;
+            else return themeInfo.backgroundColor;
+        }
+    }
+}

Runtime/Internal/Helper/ThemeHelper.cs.meta

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