//using UnityEngine;
//using System.Collections;
//using UnityEditor;

// [CustomEditor(typeof(UI_ImageMaskSizeEditor))]
//public class ImageMaskSizeEditor : Editor
//{
//     static UI_ImageMaskSizeEditor db = null;

//    public override void OnInspectorGUI()
//    {
//        db = target as UI_ImageMaskSizeEditor;
//        GUILayout.BeginVertical();
//        {
//            Vector2 vectorMaskTiling = EditorGUILayout.Vector2Field("Mask Tiling", db.maskTiling);
//            db.maskTiling = vectorMaskTiling;
//            Vector2 vectorMaskOffset = EditorGUILayout.Vector2Field("Mask Offset", db.maskOffset);
//            db.maskOffset = vectorMaskOffset;
//        }
//        GUILayout.EndVertical();
//        EditorUtility.SetDirty(db);
//    }
//}