@recaptime-dev's working patches + fork for Phorge, a community fork of Phabricator. (Upstream dev and stable branches are at upstream/main and upstream/stable respectively.)
hq.recaptime.dev/wiki/Phorge
phorge
phabricator
Preserve transparency in thumbnails
Summary: Add some code from a random guy on the Internet.
Test Plan: Upload a PNG file with alpha; check thumbnail.
Reviewers: epriestley
Reviewed By: epriestley
CC: aran, Korvin
Maniphest Tasks: T1646
Differential Revision: https://secure.phabricator.com/D3258
+2
+2
src/applications/files/PhabricatorImageTransformer.php
+2
src/applications/files/PhabricatorImageTransformer.php
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$scale = min($x / $dx, $y / $dy);
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$dst = imagecreatetruecolor($dx, $dy);
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+
imagesavealpha($dst, true);
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imagefill($dst, 0, 0, imagecolorallocatealpha($dst, 0, 0, 0, 127));
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// If we need to chop off some pixels, chop them off from the sides instead
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// of scaling in on <0, 0>.