using SUIFW;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEditor;
using UnityEngine;
using UnityEngine.UI;

public class jietu : MonoBehaviour
{
    private Camera screenShotCamera;
    private Texture shots;
    public Transform imageParent;
    public RawImage jietuBG;
    private void Start()
    {
        if (UIMaskMgr.GetInstance()._UICamear)
        {
            screenShotCamera = UIMaskMgr.GetInstance()._UICamear;
        }
    }

    public void ClickJietu()
    {
        if (screenShotCamera && RoomMainForms.Instance)
        {
            //Debug.Log("截屏");
            RoomMainForms.Instance.CkickOnJieTuBtn();
            PaintLine.canUse = false;
            Rect rect = new Rect(0, 0, Screen.width, Screen.height);
            shots = ScreenShot(screenShotCamera, rect);
           
         
        }
    }
    // <summary>
    /// 传入一个 RectTransform 区域！， 就不把资格区域的图像保存下来
    /// </summary>
    /// <param name="rect"></param>
    public Texture2D ScreenShot(Camera camera, Rect rect)
    {
        RenderTexture rt = new RenderTexture((int)rect.width, (int)rect.height, 0);
        camera.targetTexture = rt;
        camera.Render();
        RenderTexture.active = rt;
        Texture2D screenShot = new Texture2D((int)rect.width, (int)rect.height, TextureFormat.RGB24, false);
        screenShot.ReadPixels(rect, 0, 0);
        screenShot.Apply();
        camera.targetTexture = null;
        RenderTexture.active = null;
        GameObject.Destroy(rt);

       
        
        //Debug.Log("截图成功");

        /*
        byte[] bytes = screenShot.EncodeToPNG();
        string filename = Application.dataPath + "/Resources/ScreenShot/screenshot.png";//存放路径
       File.WriteAllBytes(filename, bytes);
        //TextureImporter texture = AssetImporter.GetAtPath(filename) as TextureImporter;
        //texture.textureType = TextureImporterType.Sprite;*/
#if UNITY_EDITOR
        UnityEditor.AssetDatabase.Refresh();//刷新，这步很关键，否则后面调用图片时没有。
#endif
        Invoke("CreateImage", 0.5f);
        return screenShot;
       
    }

    void CreateImage()//在canvas显示截屏后的图片
    {
        if (RoomMainForms.Instance)
        {
            RoomMainForms.Instance.ShowShotsAllBtn();
        }
        GameObject Im = new GameObject();
        Im.name = "jieping";
        Im.transform.SetParent(imageParent, false);
        RawImage rawImage = Im.AddComponent<RawImage>();//添加RawImage属性
        if (shots != null && rawImage)
        {
            rawImage.texture = shots;//将图片赋到RawImage上
            rawImage.rectTransform.sizeDelta = new Vector2(shots.width, shots.height);//定义图片最初显示尺寸
            rawImage.rectTransform.SetInsetAndSizeFromParentEdge(RectTransform.Edge.Left, 0, 0);
            rawImage.rectTransform.SetInsetAndSizeFromParentEdge(RectTransform.Edge.Top, 0, 0);
        }
    }

}