allow decoding directly from upload object

src/Intervention/Image/AbstractDecoder.php

@@ -87,6 +87,16 @@ abstract class AbstractDecoder
         return is_a($this->data, '\Intervention\Image\Image');
     }
 
+    /**
+     * Determines if current data is Symfony UploadedFile component
+     *
+     * @return boolean
+     */
+    public function isSymfonyUpload()
+    {
+        return is_a($this->data, 'Symfony\Component\HttpFoundation\File\UploadedFile');
+    }
+
     /**
      * Determines if current source data is file path
      *
@@ -161,6 +171,10 @@ abstract class AbstractDecoder
                 return $this->initFromInterventionImage($this->data);
                 break;
 
+            case $this->isSymfonyUpload():
+                return $this->initFromPath($this->data->getRealPath());
+                break;
+
             case $this->isBinary():
                 return $this->initFromBinary($this->data);
                 break;

tests/AbstractDecoderTest.php

@@ -89,6 +89,16 @@ class AbstractDecoderTest extends PHPUnit_Framework_TestCase
         $this->assertTrue($source->isInterventionImage());
     }
 
+    public function testIsSymfonyUpload()
+    {
+        $source = $this->getTestDecoder(1);
+        $this->assertFalse($source->isSymfonyUpload());
+
+        $img = Mockery::mock('Symfony\Component\HttpFoundation\File\UploadedFile');
+        $source = $this->getTestDecoder($img);
+        $this->assertTrue($source->isSymfonyUpload());
+    }
+
     public function getTestDecoder($data)
     {
         return $this->getMockForAbstractClass('\Intervention\Image\AbstractDecoder', array($data));