diff --git a/synapse/media/v1/thumbnailer.py b/synapse/media/v1/thumbnailer.py
index 774ae4538f..bc86efea8f 100644
--- a/synapse/media/v1/thumbnailer.py
+++ b/synapse/media/v1/thumbnailer.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014 OpenMarket Ltd
+# Copyright 2014, 2015 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -48,7 +48,7 @@ class Thumbnailer(object):
def scale(self, output_path, width, height, output_type):
"""Rescales the image to the given dimensions"""
- scaled = self.image.resize((width, height), Image.BILINEAR)
+ scaled = self.image.resize((width, height), Image.ANTIALIAS)
return self.save_image(scaled, output_type, output_path)
def crop(self, output_path, width, height, output_type):
@@ -65,7 +65,7 @@ class Thumbnailer(object):
if width * self.height > height * self.width:
scaled_height = (width * self.height) // self.width
scaled_image = self.image.resize(
- (width, scaled_height), Image.BILINEAR
+ (width, scaled_height), Image.ANTIALIAS
)
crop_top = (scaled_height - height) // 2
crop_bottom = height + crop_top
@@ -73,7 +73,7 @@ class Thumbnailer(object):
else:
scaled_width = (height * self.width) // self.height
scaled_image = self.image.resize(
- (scaled_width, height), Image.BILINEAR
+ (scaled_width, height), Image.ANTIALIAS
)
crop_left = (scaled_width - width) // 2
crop_right = width + crop_left
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