意见反馈 修改细节

Assets/Scripts/Utils/Utils.cs

@@ -4,9 +4,11 @@ using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Globalization;
+using System.IO;
 using System.Linq;
 using System.Net.NetworkInformation;
 using System.Net.Sockets;
+using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
 using UnityEngine;
@@ -169,5 +171,52 @@ namespace Assets.Scripts
             return str;
         }
 
+        /*文件转精灵*/
+        public static Sprite PngToSprite(string fullPath, int x, int y)
+        {
+            using (FileStream fs = new FileStream(fullPath, FileMode.Open, FileAccess.Read)) //自动双清
+            {
+                fs.Seek(0, SeekOrigin.Begin);            //设定当前流的位置
+                byte[] bytes = new byte[fs.Length];      //创建文件长度缓冲区
+                fs.Read(bytes, 0, (int)fs.Length);      //读取文件
+                Texture2D texture = new Texture2D(x, y); //创建Texture
+                texture.LoadImage(bytes);
+                return Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), Vector2.one / 2);
+            }
+        }
+        /*文件转精灵*/
+        /*打开文件*/
+        public delegate void OpenFileCallBack(string path);
+        public static void OpenFile(OpenFileCallBack callBack,string filter = null)
+        {
+            OpenFileName ofn = new OpenFileName();
+
+            ofn.structSize = Marshal.SizeOf(ofn);
+            
+            ofn.filter = "Image Files(*.jpg;*.jpeg;*.png;*.bmp)\0*.jpg;*.png;*.jpeg;*.bmp\0";
+            if (filter != null) ofn.filter = filter;
+            ofn.file = new string(new char[256]);
+
+            ofn.maxFile = ofn.file.Length;
+
+            ofn.fileTitle = new string(new char[64]);
+
+            ofn.maxFileTitle = ofn.fileTitle.Length;
+
+            ofn.initialDir = UnityEngine.Application.dataPath;//默认路径
+
+            ofn.title = "Open Project";
+
+            ofn.defExt = "JPG";//显示文件的类型
+                               //注意 一下项目不一定要全选 但是0x00000008项不要缺少
+            ofn.flags = 0x00080000 | 0x00001000 | 0x00000800 | 0x00000200 | 0x00000008;//OFN_EXPLORER|OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST| OFN_ALLOWMULTISELECT|OFN_NOCHANGEDIR
+
+
+            if (Win32.GetOpenFileName(ofn))
+            {
+                callBack(ofn.file);
+            }
+        }
+        /*打开文件*/
     }
 }