yzyCli/u3d/Assets/LuaFramework/Scripts/UIHelper/UIFontDirty.cs

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class UIFontDirty : MonoBehaviour
{
    bool isDirty = false;
    Font dirtyFont = null;

    void Awake()
    {
        Font.textureRebuilt += delegate (Font font1)
        {
            isDirty = true;
            dirtyFont = font1;
        };
    }

    void LateUpdate()
    {
        if (isDirty)
        {
            isDirty = false;
            foreach (Text text in GameObject.FindObjectsOfType<Text>())
            {
                if (text.font == dirtyFont)
                {
                    text.FontTextureChanged();
                }
            }
            print("textureRebuilt -->> " + dirtyFont.name);
            dirtyFont = null;
        }
    }
}