压缩图片bug解决

Assets/Scripts/App.cs

@@ -54,7 +54,7 @@ public static class App
     public static IDictionary<string, Texture> TextureCache = new Dictionary<string, Texture>();
     public static Texture CurrentUserHeadTexture;
     public static RouteResult routeResult;//骑行记录向骑行场景传值
-    public static Texture DefaultRotateTexture;
+    public static Texture DefaultRotateTexture { get; set; }
     //全局用 输入框或者下拉框修改标志位
     public static bool isChanged { get; set; }
     public static string notifyContent { get; internal set; }

Assets/Scripts/Scenes/LoginController.cs

@@ -611,7 +611,7 @@ public class LoginController : BaseScene
             //}
             Debug.Log(JsonConvert.SerializeObject(locationInfo));
             var i = await ConfigHelper.thirdPartApi.GetMapImage(locationInfo);
-            var t = new Texture2D(4, 4,TextureFormat.DXT5, false);
+            var t = new Texture2D(2, 2, TextureFormat.DXT5, false);
             if (t.LoadImage(Utils.StreamToBytes(i)))
             {
                 Debug.Log("成功");

Assets/Scripts/Utils/Utils.cs

@@ -432,10 +432,29 @@ namespace Assets.Scripts
         }
         /*获取最顶层对象*/
         /*Texture相关*/
+        public static Texture2D DeCompress(this Texture2D source)
+        {
+            RenderTexture renderTex = RenderTexture.GetTemporary(
+                        source.width,
+                        source.height,
+                        0,
+                        RenderTextureFormat.Default,
+                        RenderTextureReadWrite.Linear);
+
+            Graphics.Blit(source, renderTex);
+            RenderTexture previous = RenderTexture.active;
+            RenderTexture.active = renderTex;
+            Texture2D readableText = new Texture2D(source.width, source.height);
+            readableText.ReadPixels(new Rect(0, 0, renderTex.width, renderTex.height), 0, 0);
+            readableText.Apply();
+            RenderTexture.active = previous;
+            RenderTexture.ReleaseTemporary(renderTex);
+            return readableText;
+        }
         public static void WriteTextureToPlayerPrefs(string tag, Texture2D tex)
         {
             // if texture is png otherwise you can use tex.EncodeToJPG().
-            byte[] texByte = tex.EncodeToPNG();
+            byte[] texByte = tex.DeCompress().EncodeToJPG();
 
             // convert byte array to base64 string
             string base64Tex = System.Convert.ToBase64String(texByte);