From babe61290fe6b8190d78de34da4a8e26f1b5bb6c Mon Sep 17 00:00:00 2001
From: Patrick Landolt <patrick.landolt@artack.ch>
Date: Tue, 29 Jul 2014 18:04:56 +0200
Subject: [PATCH] support animated gif

animated value from config
---
 DependencyInjection/Configuration.php |  1 +
 Imagine/Filter/FilterManager.php      | 13 ++++++++++---
 Resources/doc/configuration.md        |  2 ++
 3 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 198a8918d..20edc03b7 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -119,6 +119,7 @@ public function getConfigTreeBuilder()
                         ->fixXmlConfig('filter', 'filters')
                         ->children()
                             ->scalarNode('quality')->defaultValue(100)->end()
+                            ->booleanNode('animated')->defaultFalse()->end()
                             ->scalarNode('cache')->defaultNull()->end()
                             ->scalarNode('data_loader')->defaultNull()->end()
                             ->arrayNode('filters')
diff --git a/Imagine/Filter/FilterManager.php b/Imagine/Filter/FilterManager.php
index 9ba5a5467..69dcf6193 100644
--- a/Imagine/Filter/FilterManager.php
+++ b/Imagine/Filter/FilterManager.php
@@ -71,7 +71,8 @@ public function apply(BinaryInterface $binary, array $config)
         $config = array_replace(
             array(
                 'filters' => array(),
-                'quality' => 100
+                'quality' => 100,
+                'animated' => false
             ),
             $config
         );
@@ -88,9 +89,15 @@ public function apply(BinaryInterface $binary, array $config)
             $image = $this->loaders[$eachFilter]->load($image, $eachOptions);
         }
 
-        $filteredContent = $image->get($binary->getFormat(), array(
+        $options = array(
             'quality' => $config['quality']
-        ));
+        );
+
+        if ($binary->getFormat() === 'gif' && $config['animated']) {
+            $options['animated'] = $config['animated'];
+        }
+
+        $filteredContent = $image->get($binary->getFormat(), $options);
 
         return new Binary($filteredContent, $binary->getMimeType(), $binary->getFormat());
     }
diff --git a/Resources/doc/configuration.md b/Resources/doc/configuration.md
index 1476b0cfa..21b733fed 100644
--- a/Resources/doc/configuration.md
+++ b/Resources/doc/configuration.md
@@ -29,6 +29,7 @@ liip_imagine:
         name:
             path:                 ~
             quality:              100
+            animated:             false
             format:               ~
             cache:                ~
             data_loader:          ~
@@ -81,5 +82,6 @@ Each filter set that you specify has the following options:
     default: empty array
 
  - `format` - hardcodes the output format (aka the requested format is ignored)
+ - `animated` - support for resizing animated gif (currently not supported by Imagine (PR pending))
 
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