From 9d12f2ce54239fa2840542682afa685875a4d7ef Mon Sep 17 00:00:00 2001
From: Tobias Reich <tobias.reich.ich@gmail.com>
Date: Sun, 21 Dec 2014 22:50:56 +0100
Subject: [PATCH] Better focal length calculation #278

---
 php/modules/Photo.php | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/php/modules/Photo.php b/php/modules/Photo.php
index ec1f138..3a54bdf 100755
--- a/php/modules/Photo.php
+++ b/php/modules/Photo.php
@@ -659,7 +659,15 @@ class Photo extends Module {
 			if (isset($temp)) $return['shutter'] = $exif['ExposureTime'] . ' s';
 
 			$temp = @$exif['FocalLength'];
-			if (isset($temp)) $return['focal'] = $temp . ' mm';
+			if (isset($temp)) {
+				if (strpos($temp, '/')!==FALSE) {
+					$temp = explode('/', $temp, 2);
+					$temp = $temp[0] / $temp[1];
+					$temp = round($temp, 1);
+					$return['focal'] = $temp . ' mm';
+				}
+				$return['focal'] = $temp . ' mm';
+			}
 
 			$temp = @$exif['DateTimeOriginal'];
 			if (isset($temp)) $return['takestamp'] = strtotime($temp);