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Fix up thumbnailing function

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This commit is contained in:
Erik Johnston 2017-10-13 11:23:53 +01:00
parent e3428d26ca
commit 505371414f
3 changed files with 73 additions and 75 deletions
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13
synapse/rest/media/v1/thumbnailer.py
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@ -54,7 +54,7 @@ class Thumbnailer(object):
"""Rescales the image to the given dimensions.
Returns:
BytesIO: the bytes of the encoded image ready to be written to disk
ImageIO: the bytes of the encoded image ready to be written to disk
"""
scaled = self.image.resize((width, height), Image.ANTIALIAS)
return self._encode_image(scaled, output_type)
@ -71,7 +71,7 @@ class Thumbnailer(object):
max_height: The larget possible height.
Returns:
BytesIO: the bytes of the encoded image ready to be written to disk
ImageIO: 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
@ -92,6 +92,13 @@ class Thumbnailer(object):
return self._encode_image(cropped, output_type)
def _encode_image(self, output_image, output_type):
output_bytes_io = BytesIO()
output_bytes_io = ImageIO(output_image.size)
output_image.save(output_bytes_io, self.FORMATS[output_type], quality=80)
output_image.close()
return output_bytes_io
class ImageIO(BytesIO):
def __init__(self, dimensions):
super(ImageIO, self).__init__()
self.dimensions = dimensions