Fix antialias/smoothing for large zoom for horizontally flipped images

CHANGELOG.rst

@@ -18,6 +18,8 @@ Fixed
 * Scene Export: Selecting filename without file extension now
   automatically appends the extension from the selected filter istead
   of resulting in a confusing error message.
+* The exemption from antialias/smoothing for images displayed at large
+  zoom now also works on images that are flipped horizontally
 
 
 Changed

beeref/items.py

@@ -323,7 +323,7 @@ def draw_crop_rect(self, painter, rect):
         painter.drawRect(rect)
 
     def paint(self, painter, option, widget):
-        if painter.combinedTransform().m11() < 2:
+        if abs(painter.combinedTransform().m11()) < 2:
             # We want image smoothing, but only for images where we
             # are not zoomed in a lot. This is to ensure that for
             # example icons and pixel sprites can be viewed correctly.