Florian Müllner 1ca5fc7de1 st/icon-theme: Fix transparent colors in symbolic SVGs
When loading a symbolic SVG, the original file is wrapped in
a header that includes a generated stylesheet with the
appropriate colors, plus an overall opacity.

The opacity value is clamped to values between 0 and 1, which
directly matched the alpha field of the GdkRGBA type. However
since we moved to StIconColors/ClutterColor, the alpha field
is now in the range [0..255], any alpha value other than 0 now
results in full opacity.

To fix, translate the [0..255] integer into a [0..1] double
before using it as opacity.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2731>
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GNOME Shell

GNOME Shell provides core user interface functions for the GNOME desktop, like switching to windows and launching applications. GNOME Shell takes advantage of the capabilities of modern graphics hardware and introduces innovative user interface concepts to provide a visually attractive and easy to use experience.

For more information about GNOME Shell, including instructions on how to build GNOME Shell from source and how to get involved with the project, see the project wiki.

Bugs should be reported to the GNOME bug tracking system. Please refer to the Schedule wiki page to see the supported versions.

Contributing

To contribute, open merge requests at https://gitlab.gnome.org/GNOME/gnome-shell.

Commit messages should follow the GNOME commit message guidelines. If a merge request fixes an existing issue, it is good practice to append the full issue URL to each commit message. Try to always prefix commit subjects with a relevant topic, such as panel: or status/network:, and it's always better to write too much in the commit message body than too little.

Default branch

The default development branch is main. If you still have a local checkout under the old name, use:

git checkout master
git branch -m master main
git fetch
git branch --unset-upstream
git branch -u origin/main
git symbolic-ref refs/remotes/origin/HEAD refs/remotes/origin/main

License

GNOME Shell is distributed under the terms of the GNU General Public License, version 2 or later. See the COPYING file for details.

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