GHZLangChao/Assets/HotUpdate/Scripts/PngJpgItem.cs

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using static LangChaoRommMinIo;

public class PngJpgItem : BaseFilePrefabItem
{
    public RawImage mainImage;
    public RectTransform rectTransform;
    public override void Init(FileConfig fileConfig)
    {
        base.Init(fileConfig);

        //LangChaoRommMinIo.Instance.getFile(MQTTManager.Instance.roomId, fileConfig.Bucket, fileConfig.ObjectName, (RoomFileData rfd) => {

        //    Debug.Log("rfd==>" + rfd.url);
        //    Debug.Log("rfd==>" + rfd.bytes.Length);

        //    Texture2D texture = new Texture2D(10, 10);
        //    texture.LoadImage(rfd.bytes);//流数据转换成Texture2D

        //    texture.Apply();

        //    Adaption(texture);
        //    mainImage.texture = texture;
        //});


        if (!string.IsNullOrEmpty(fileConfig.Url))
        {
            string url = fileConfig.Url;

          

            if (!fileConfig.Url.Contains("http"))
            {
                url = "https://" + fileConfig.Url;
            }
         


         }

        LangChaoRommMinIo.Instance.getFile(MQTTManager.Instance.roomId, fileConfig.Bucket, fileConfig.ObjectName, (RoomFileData rfd) => {

            Debug.Log("rfd==>" + rfd.url);
            Debug.Log("rfd==>" + rfd.bytes.Length);
           string url = rfd.url;

            mainImage.texture = GetSprite(rfd.bytes).texture;
            //NetWorkHeaders.Instance.getNetTexture(url, null, (Texture tex) =>
            //{
            //    if (tex)
            //    {
            //        Adaption(tex);
            //        mainImage.texture = tex;
            //    }
            //});
        });
    }

    public Sprite GetSprite(Byte[] bytes)
    {
        //先创建一个Texture2D对象，用于把流数据转成Texture2D
        Texture2D texture = new Texture2D(10, 10);
        texture.LoadImage(bytes);//流数据转换成Texture2D
        //创建一个Sprite,以Texture2D对象为基础
        Sprite sp = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), Vector2.zero);
        return sp;
    }

    public void Adaption(Texture tex)
    {
        float standard_width = 150f;
        float standard_height = 84f;
        float video_width = tex.width;
        float video_height = tex.height;
        //Debug.Log(tex.width + "***" + tex.height);
        if (standard_width < video_width && standard_height > video_height)
        {
            float video_aspect = standard_width / video_width;
            rectTransform.sizeDelta = new Vector2(standard_width, video_height * video_aspect);
        }
        else if (standard_width > video_width && standard_height < video_height)
        {
            float video_aspect = standard_height / video_height;
            rectTransform.sizeDelta = new Vector2(video_width * video_aspect, standard_height);
        }
        else if (standard_width > video_width && standard_height > video_height)
        {
            if (standard_width / video_width > standard_height / video_height)
            {
                float video_aspect = standard_height / video_height;
                rectTransform.sizeDelta = new Vector2(video_width * video_aspect, video_height * video_aspect);
            }
            else
            {
                float video_aspect = standard_width / video_width;
                rectTransform.sizeDelta = new Vector2(video_width * video_aspect, video_height * video_aspect);
            }
        }
        else
        {
            if (standard_width / video_width > standard_height / video_height)
            {
                float video_aspect = standard_height / video_height;
                rectTransform.sizeDelta = new Vector2(video_width * video_aspect, video_height * video_aspect);
            }
            else
            {
                float video_aspect = standard_width / video_width;
                rectTransform.sizeDelta = new Vector2(video_width * video_aspect, video_height * video_aspect);
            }
        }
    }
}