UIImage.cs

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using UnityEngine;
using UnityEngine.UI;
 
public class UIImage : Image, IUISkin
{
    public bool useSkinSize = true;
 
    public ImageType imageType;
 
    public FrameType frameType;
 
    public BaseSkinRoot skinRoot;
 
    public Vector2 sizeFix;
 
    public Image frame;
 
    protected override void Awake()
    {
        ApplySkin();
        base.Awake();
    }
 
    public void ApplySkin()
    {
        if (!Application.isPlaying)
        {
            return;
        }
        BaseSkinRoot baseSkinRoot = skinRoot ?? SkinManager.Instance.currentSkin;
        baseSkinRoot.ApplySkin(this);
        if (imageType == ImageType.Line)
        {
            color = baseSkinRoot.Colors.colorLine;
        }
        if (frameType != 0)
        {
            if (!frame)
            {
                frame = Util.Instantiate<Image>("UI/Element/Other/BGFrame", this);
                frame.transform.SetParent(base.transform.parent, worldPositionStays: false);
                frame.transform.SetSiblingIndex(base.transform.GetSiblingIndex());
            }
            SkinRootStatic skinRootStatic = baseSkinRoot as SkinRootStatic;
            if ((bool)skinRootStatic && skinRootStatic.useFrame)
            {
                frame.sprite = skinRootStatic.assets.frame1.sprite;
                if (useSkinSize)
                {
                    frame.Rect().sizeDelta = skinRootStatic.assets.frame1.size;
                }
                frame.SetActive(enable: true);
            }
            else
            {
                frame.SetActive(enable: false);
            }
        }
        else if ((bool)frame)
        {
            frame.SetActive(enable: false);
        }
    }
 
    protected override void OnPopulateMesh(VertexHelper vh)
    {
        if (color.a == 0f || !base.sprite)
        {
            vh.Clear();
        }
        else
        {
            base.OnPopulateMesh(vh);
        }
    }
}