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Fix error in thumbnail generation (#11288)
Signed-off-by: Jonas Zeunert <jonas@zeunert.org>
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changelog.d/11288.bugfix
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changelog.d/11288.bugfix
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Fix a long-standing bug where uploading extremely thin images (e.g. 1000x1) would fail. Contributed by @Neeeflix.
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@ -101,8 +101,8 @@ class Thumbnailer:
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fits within the given rectangle::
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(w_in / h_in) = (w_out / h_out)
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w_out = min(w_max, h_max * (w_in / h_in))
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h_out = min(h_max, w_max * (h_in / w_in))
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w_out = max(min(w_max, h_max * (w_in / h_in)), 1)
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h_out = max(min(h_max, w_max * (h_in / w_in)), 1)
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Args:
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max_width: The largest possible width.
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@ -110,9 +110,9 @@ class Thumbnailer:
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"""
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if max_width * self.height < max_height * self.width:
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return max_width, (max_width * self.height) // self.width
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return max_width, max((max_width * self.height) // self.width, 1)
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else:
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return (max_height * self.width) // self.height, max_height
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return max((max_height * self.width) // self.height, 1), max_height
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def _resize(self, width: int, height: int) -> Image.Image:
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# 1-bit or 8-bit color palette images need converting to RGB
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