Update ImageResize.php

Author: Pastou

lib/ImageResize.php

@@ -13,6 +13,7 @@ class ImageResize
     const CROPBOTTOM = 3;
     const CROPLEFT = 4;
     const CROPRIGHT = 5;
+    const CROPTOPCENTER = 6;
 
     public $quality_jpg = 85;
     public $quality_png = 6;
@@ -522,6 +523,10 @@ protected function getCropPosition($expectedSize, $position = self::CROPCENTER)
             case self::CROPCENTRE:
                 $size = $expectedSize / 2;
                 break;
+                
+            case self::CROPTOPCENTER:
+                $size = $expectedSize / 4;
+                break;
         }
         return $size;
     }