From fb9abfef06b13628d01d17b0c995ec9f6859b8b0 Mon Sep 17 00:00:00 2001
From: t-prod <info@t-prod.net>
Date: Wed, 15 Apr 2015 10:59:48 +0200
Subject: [PATCH] Error in generating images

if the orientation is not returned
---
 timthumb.php | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/timthumb.php b/timthumb.php
index db43bb6..19611e6 100644
--- a/timthumb.php
+++ b/timthumb.php
@@ -551,16 +551,18 @@ protected function processImageAndWriteToCache($localImage){
 		if($auto_rotate && preg_match('/^image\/(?:jpg|jpeg)$/i', $mimeType)){ 
 			$exif = exif_read_data($localImage);
 			$ort = $exif['Orientation'];
-			switch($ort) {
-				case 3: // 180 rotate left
-					$image = imagerotate($image, 180, -1);
-					break;
-				case 6: // 	90 rotate right
-					$image = imagerotate($image, -90, -1);
-					break;
-				case 8: // 	90 rotate left
-					$image = imagerotate($image, 90, -1);
-					break;
+			if(!empty($ort)){
+				switch($ort) {
+					case 3: // 180 rotate left
+						$image = imagerotate($image, 180, -1);
+						break;
+					case 6: // 	90 rotate right
+						$image = imagerotate($image, -90, -1);
+						break;
+					case 8: // 	90 rotate left
+						$image = imagerotate($image, 90, -1);
+						break;
+				}
 			}
 		}