From f9cdf31ede3bab1aff1ffa5a043bfd9a6eceb6d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcin=20=C5=81abanowski?= <marcin@6irc.net>
Date: Sat, 22 Dec 2012 20:16:31 +0100
Subject: [PATCH] Fix animated .gif conversion when $config['thumb_ext'] == ''

---
 inc/image.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/inc/image.php b/inc/image.php
index eb98ceda..f0909b8c 100644
--- a/inc/image.php
+++ b/inc/image.php
@@ -186,7 +186,7 @@ class ImageImagick extends ImageBase {
 	public function resize() {
 		global $config;
 		
-		if ($this->format == 'gif' && $config['thumb_ext'] == 'gif') {
+		if ($this->format == 'gif' && ($config['thumb_ext'] == 'gif' || $config['thumb_ext'] == '')) {
 			$this->image = new Imagick();
 			$this->image->setFormat('gif');
 			
@@ -274,7 +274,7 @@ class ImageConvert extends ImageBase {
 		
 		$quality = $config['thumb_quality'] * 10;
 		
-		if ($this->format == 'gif' && $config['thumb_ext'] == 'gif' && $config['thumb_keep_animation_frames'] > 1) {
+		if ($this->format == 'gif' && ($config['thumb_ext'] == 'gif' || $config['thumb_ext'] == '') && $config['thumb_keep_animation_frames'] > 1) {
 			if (shell_exec("convert -background transparent -filter Point -sample {$this->width}x{$this->height} +antialias -quality {$quality} " .
 				escapeshellarg($this->src . '') . " " . escapeshellarg($this->temp)) || !file_exists($this->temp))
 				error('Failed to resize image!');