From 0329ddb35bb41e5ad3bac91be5547bd27cbe45d7 Mon Sep 17 00:00:00 2001
From: Ivy <komma@ivywe.co.jp>
Date: Sun, 3 Apr 2016 09:44:03 +0900
Subject: [PATCH] [fix] PNG image transparency can't be preserved

---
 system/classes/upload.class.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/system/classes/upload.class.php b/system/classes/upload.class.php
index 2088fbd83..7c99b779d 100644
--- a/system/classes/upload.class.php
+++ b/system/classes/upload.class.php
@@ -700,7 +700,8 @@ function _copyFile()
                     $image_dest = @imagecreatefromjpeg ($filename);
                     unlink ($filename);
                 }
-
+								imagealphablending( $image_dest, false );
+								imagesavealpha( $image_dest, true );
                 imagecopyresampled($image_dest, $image_source, 0, 0, 0, 0,
                                    $newwidth, $newheight, $imageInfo['width'],
                                    $imageInfo['height']);