Support for configuring adapter

DependencyInjection/Configuration.php

@@ -25,6 +25,7 @@ public function getConfigTreeBuilder()
             ->booleanNode('throw_exception')->defaultFalse()->end()
             ->scalarNode('fallback_image')->defaultNull()->end()
             ->scalarNode('web_dir')->defaultValue('%kernel.root_dir%/../web')->end()
+            ->scalarNode('adapter')->defaultValue('gd')->end()
             ->end()
             ;
 

DependencyInjection/GregwarImageExtension.php

@@ -24,6 +24,7 @@ public function load(array $configs, ContainerBuilder $container)
         $container->setParameter('gregwar_image.throw_exception', $config['throw_exception']);
         $container->setParameter('gregwar_image.fallback_image', $config['fallback_image']);
         $container->setParameter('gregwar_image.web_dir', $config['web_dir']);
+        $container->setParameter('gregwar_image.adapter', $config['adapter']);
 
         $loader = new YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('services.yml');

README.md

@@ -111,7 +111,13 @@ you can set the `web_dir` to your new Web path:
 
     gregwar_image:
         web_dir: %kernel.root_dir%/../../public_html
-
+
+There is currently only one adapter (GD) included with 
+[Gregwar's Image](http://github.com/Gregwar/Image), however if you have a custom 
+adapter you can configure it like so:
+
+    gregwar_image:
+        adapter: "My\Custom\Adapter"
 
 Usage
 =====

Resources/config/services.yml

@@ -15,6 +15,7 @@ services:
           - '@file_locator'
           - '%gregwar_image.throw_exception%'
           - '%gregwar_image.fallback_image%'
+          - '%gregwar_image.adapter%'
 
     # Helper Twig
     twig.extension.image:

Services/ImageHandling.php

@@ -45,6 +45,11 @@ class ImageHandling
      */
     private $throwException;
 
+    /**
+     * @var string
+     */
+    private $adapter;
+
     /**
      * @param string                               $cacheDirectory
      * @param int                                  $cacheDirMode
@@ -53,8 +58,9 @@ class ImageHandling
      * @param KernelInterface|FileLocatorInterface $fileLocator
      * @param bool                                 $throwException
      * @param string                               $fallbackImage
+     * @param string                               $adapter
      */
-    public function __construct($cacheDirectory, $cacheDirMode, $handlerClass, ContainerInterface $container, $fileLocator, $throwException, $fallbackImage)
+    public function __construct($cacheDirectory, $cacheDirMode, $handlerClass, ContainerInterface $container, $fileLocator, $throwException, $fallbackImage, $adapter)
     {
         if (!$fileLocator instanceof FileLocatorInterface && $fileLocator instanceof KernelInterface) {
             throw new \InvalidArgumentException(
@@ -79,6 +85,7 @@ public function __construct($cacheDirectory, $cacheDirMode, $handlerClass, Conta
         $this->fileLocator = $fileLocator;
         $this->throwException = $throwException;
         $this->fallbackImage = $fallbackImage;
+        $this->adapter = $adapter;
     }
 
     /**
@@ -129,6 +136,11 @@ private function createInstance($file, $w = null, $h = null)
         /** @var ImageHandler $image */
         $image = new $handlerClass($file, $w, $h, $this->throwException, $this->fallbackImage);
 
+        if (class_exists($this->adapter)) {
+            $this->adapter = new $this->adapter();
+        }
+
+        $image->setAdapter($this->adapter);
         $image->setCacheDir($this->cacheDirectory);
         $image->setCacheDirMode($this->cacheDirMode);
         $image->setActualCacheDir($webDir.'/'.$this->cacheDirectory);