--- a/src/pyams_file/interfaces/__init__.py	Sat Jun 23 13:02:47 2018 +0200
+++ b/src/pyams_file/interfaces/__init__.py	Wed Jun 27 12:19:42 2018 +0200
@@ -84,6 +84,9 @@
     def crop(self, x1, y1, x2, y2):
         """Crop image to given coordinates"""
 
+    def rotate(self, angle=-90):
+        """Rotate image, default to right"""
+
 
 class ISVGImage(IBaseImage):
     """SVG file interface"""