压缩图片bug解决

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);