yzyCli/u3d/Assets/LuaFramework/Scripts/extend/RawImageExtend.cs

using UnityEngine.UI;
using UnityEngine;
namespace LuaFramework
{
    public class RawImageExtend : RawImage
    {
        private float _alpha = 1.0F;
        public float alpha
        {
            get { return _alpha; }
            set { SetAlpha(value); }
        }
        private void SetAlpha(float value)
        {
            _alpha = value;
            color = new UnityEngine.Color(color.r, color.g, color.b, _alpha);
        }

        private bool _gray = false;
        public bool gray
        {
            get { return _gray; }
            set { SetGray(value); }
        }
        private void SetGray(bool value)
        {
            _gray = value;
            if (_gray)
            {
                material = Resources.Load("material/Gray") as Material;
            }
            else
            {
                material = null;
            }
        }
     }
}