using TMPro;
using UnityEngine;
using UnityEngine.UI;


[RequireComponent(typeof(RectTransform))]
public class AutoResizeImage : MonoBehaviour
{
    public TMP_Text contentText;
    private RectTransform backgroundImageRect;


    void Start()
    {
        backgroundImageRect = GetComponent<RectTransform>();
        AdjustImageWidth();
    }


    void Update()
    {
        AdjustImageWidth();
    }


    void AdjustImageWidth()
    {
        // 获取 Text 组件的首选宽度
        float preferredWidth = contentText.preferredWidth;


        // 设置 Image 的宽度为 Text 的首选宽度，加上一些 padding（假设为 20）
        backgroundImageRect.sizeDelta = new Vector2(preferredWidth + (contentText.text == "" ? 0 : 30), backgroundImageRect.sizeDelta.y);
        contentText.GetComponent<RectTransform>().sizeDelta = new Vector2(preferredWidth + (contentText.text == "" ? 0 : 30), 52);
    }
}