URL:
<https://savannah.gnu.org/bugs/?59337>
Summary: Using optipng compressed icons uses black instead of
transparency
Project: GNU GRUB
Submitted by: dragon8oy
Submitted on: Sat 24 Oct 2020 06:21:51 PM UTC
Category: User Interface
Severity: Major
Priority: 5 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Release:
Release: other
Discussion Lock: Any
Reproducibility: Every Time
Planned Release: None
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Details:
Using a png with transparency works fine, but when the icon is losslessly
compressed using optipng, transparency appears as black instead. This happens
regardless of the compression level / arguments used.
I've attached 2 files, `debian-compressed.png` causes the black to appear
instead of transparency, and was compressed using `optipng -o7
debian-compressed.png`
The other file, `debian.png` works fine, and isn't compressed.
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