From b3ca4a275bc10e82e85167a842d94d694c94ae0b Mon Sep 17 00:00:00 2001
From: Damian Mooyman <damian.mooyman@gmail.com>
Date: Tue, 23 Jul 2013 11:24:48 +1200
Subject: [PATCH] BUG Fixed divide by zero with SetRatioSize on missing image
 file Fixes issue #2047

---
 model/Image.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/model/Image.php b/model/Image.php
index 22fc1f644..006135bdb 100644
--- a/model/Image.php
+++ b/model/Image.php
@@ -206,6 +206,9 @@ class Image extends File {
 	 */
 	public function SetRatioSize($width, $height) {
 		
+		// Prevent divide by zero on missing/blank file
+		if(empty($this->width) || empty($this->height)) return null;
+		
 		// Check if image is already sized to the correct dimension
 		$widthRatio = $width / $this->width;
 		$heightRatio = $height / $this->height;