diff --git a/synapse/rest/media/v1/thumbnailer.py b/synapse/rest/media/v1/thumbnailer.py
index 3868d4f65f..e1ee535b9a 100644
--- a/synapse/rest/media/v1/thumbnailer.py
+++ b/synapse/rest/media/v1/thumbnailer.py
@@ -50,12 +50,16 @@ class Thumbnailer(object):
else:
return ((max_height * self.width) // self.height, max_height)
- def scale(self, output_path, width, height, output_type):
- """Rescales the image to the given dimensions"""
+ def scale(self, width, height, output_type):
+ """Rescales the image to the given dimensions.
+
+ Returns:
+ BytesIO: the bytes of the encoded image ready to be written to disk
+ """
scaled = self.image.resize((width, height), Image.ANTIALIAS)
- return self.save_image(scaled, output_type, output_path)
+ return self._encode_image(scaled, output_type)
- def crop(self, output_path, width, height, output_type):
+ def crop(self, width, height, output_type):
"""Rescales and crops the image to the given dimensions preserving
aspect::
(w_in / h_in) = (w_scaled / h_scaled)
@@ -65,6 +69,9 @@ class Thumbnailer(object):
Args:
max_width: The largest possible width.
max_height: The larget possible height.
+
+ Returns:
+ BytesIO: the bytes of the encoded image ready to be written to disk
"""
if width * self.height > height * self.width:
scaled_height = (width * self.height) // self.width
@@ -82,13 +89,9 @@ class Thumbnailer(object):
crop_left = (scaled_width - width) // 2
crop_right = width + crop_left
cropped = scaled_image.crop((crop_left, 0, crop_right, height))
- return self.save_image(cropped, output_type, output_path)
+ return self._encode_image(cropped, output_type)
- def save_image(self, output_image, output_type, output_path):
+ def _encode_image(self, output_image, output_type):
output_bytes_io = BytesIO()
output_image.save(output_bytes_io, self.FORMATS[output_type], quality=80)
- output_bytes = output_bytes_io.getvalue()
- with open(output_path, "wb") as output_file:
- output_file.write(output_bytes)
- logger.info("Stored thumbnail in file %r", output_path)
- return len(output_bytes)
+ return output_bytes_io
|
