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Merge remote-tracking branch 'upstream/release-v1.30.0'

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This commit is contained in:
Tulir Asokan 2021-03-16 16:58:38 +02:00
commit 8b753230af
102 changed files with 2693 additions and 933 deletions
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11
synapse/rest/media/v1/thumbnailer.py
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@ -96,9 +96,14 @@ class Thumbnailer:
def _resize(self, width: int, height: int) -> Image:
# 1-bit or 8-bit color palette images need converting to RGB
# otherwise they will be scaled using nearest neighbour which
# looks awful
if self.image.mode in ["1", "P"]:
self.image = self.image.convert("RGB")
# looks awful.
#
# If the image has transparency, use RGBA instead.
if self.image.mode in ["1", "L", "P"]:
mode = "RGB"
if self.image.info.get("transparency", None) is not None:
mode = "RGBA"
self.image = self.image.convert(mode)
return self.image.resize((width, height), Image.ANTIALIAS)
def scale(self, width: int, height: int, output_type: str) -> BytesIO: