0.2版本，重构代码，增加Editor

Scripts/UI/Internal/Coordinate.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace XCharts
+{
+    [Serializable]
+    public class Coordinate : IEquatable<Coordinate>
+    {
+        [SerializeField] private float m_Left;
+        [SerializeField] private float m_Right;
+        [SerializeField] private float m_Top;
+        [SerializeField] private float m_Bottom;
+        [SerializeField] private float m_Tickness;
+        [SerializeField] private int m_FontSize;
+
+        public float left { get { return m_Left; } set { m_Left = value; } }
+        public float right { get { return m_Right; } set { m_Right = value; } }
+        public float top { get { return m_Top; } set { m_Top = value; } }
+        public float bottom { get { return m_Bottom; } set { m_Bottom = value; } }
+        public float tickness { get { return m_Tickness; } set { m_Tickness = value; } }
+        public int fontSize { get { return m_FontSize; } set { m_FontSize = value; } }
+
+        public static Coordinate defaultCoordinate
+        {
+            get
+            {
+                var coordinate = new Coordinate
+                {
+                    m_Left = 40f,
+                    m_Right = 80f,
+                    m_Top = 40f,
+                    m_Bottom = 25f,
+                    m_Tickness = 0.6f,
+                    m_FontSize = 16,
+                };
+                return coordinate;
+            }
+        }
+        public void Copy(Coordinate other)
+        {
+            m_Left = other.left;
+            m_Right = other.right;
+            m_Top = other.top;
+            m_Bottom = other.bottom;
+            m_Tickness = other.tickness;
+        }
+
+        public override bool Equals(object obj)
+        {
+            if (!(obj is Coordinate)) return false;
+            return Equals((Coordinate)obj);
+        }
+
+        public bool Equals(Coordinate other)
+        {
+            return m_Left == other.left &&
+                m_Right == other.right &&
+                m_Top == other.top &&
+                m_Bottom == other.bottom &&
+                m_Tickness == other.tickness &&
+                m_FontSize == other.fontSize;
+        }
+
+        public static bool operator ==(Coordinate point1, Coordinate point2)
+        {
+            return point1.Equals(point2);
+        }
+
+        public static bool operator !=(Coordinate point1, Coordinate point2)
+        {
+            return !point1.Equals(point2);
+        }
+
+        public override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
+    }
+}