Hi,

⋅ in /usr/share/gnome-background-properties/

a file named « kinetic-default.xml » which contains

<?xml version="1.0"?>
<!DOCTYPE wallpapers SYSTEM "gnome-wp-list.dtd">
<wallpapers>
  <wallpaper deleted="false">
    <name>Kinetic Default</name>
    
<filename>/usr/share/backgrounds/kinetic-default/kinetic-default-l.png</filename>
    
<filename-dark>/usr/share/backgrounds/kinetic-default/kinetic-default-d.png</filename-dark>
    <options>zoom</options>
    <shade_type>solid</shade_type>
    <pcolor>#000000</pcolor>
    <scolor>#000000</scolor>
  </wallpaper>
</wallpapers>


⋅ in /usr/share/backgrounds/

one folder named « kinetic-default » which contains 2 pictures

kinetic-default-d.png
kinetic-default-l.png


An example dark picture based on the default kinetic background
https://i.ibb.co/jkCXWgM/Kudu-Wallpaper-glowy-but-Dark-4096x2304.png

kinetic-default-l.png might be a symlink to
/usr/share/backgrounds/warty-final-ubuntu.png

…why that name by the way ? warty-final-ubuntu ?


Let's go further and offer a real dynamic background that fades from light to 
dark throughout day and night.

⋅ in /usr/share/backgrounds/kinetic-default

add a file named « kinetic-slideshow » which contains

<background>
  <starttime>
    <year>2022</year>
    <month>06</month>
    <day>14</day>
    <hour>09</hour>
    <minute>00</minute>
    <second>00</second>
  </starttime>
<!-- This animation starts à 9:00 am and lasts 24 hours. -->
    <static>
    <duration>14400</duration>
    <file>/usr/share/backgrounds/kinetic-default/kinetic-default-l.png</file>
  </static>
  <transition>
    <duration>14400</duration>
    <from>/usr/share/backgrounds/kinetic-default/kinetic-default-l.png</from>
    <to>/usr/share/backgrounds/kinetic-default/kinetic-default-d.png</to>
  </transition>
  <static>
    <duration>14400</duration>
    <file>/usr/share/backgrounds/kinetic-default/kinetic-default-d.png</file>
  </static>
  <transition>
    <duration>14400</duration>
    <from>/usr/share/backgrounds/kinetic-default/kinetic-default-d.png</from>
    <to>/usr/share/backgrounds/kinetic-default/kinetic-default-l.png</to>
  </transition>
</background>



** Attachment added: "dual style background + slideshow background based on 
that dual style"
   
https://bugs.launchpad.net/ubuntu/+source/ubuntu-wallpapers/+bug/1992481/+attachment/5634092/+files/gcc_appearance.png

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to ubuntu-wallpapers in Ubuntu.
https://bugs.launchpad.net/bugs/1992481

Title:
  Add dark and light variant of Ubuntu wallpaper

Status in ubuntu-wallpapers package in Ubuntu:
  New

Bug description:
  GNOME since version 43 have a dark mode which supports switching
  between a light and dark wallpaper when toggling dark mode.

  The GNOME wallpapers come in both light and dark variants, but not the
  Ubuntu wallpaper.

  Please make a dark and light version of the Ubuntu wallpaper.

  DistroRelease: Ubuntu 22.10
  Package: ubuntu-wallpapers 22.10.2-0ubuntu1

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-wallpapers/+bug/1992481/+subscriptions


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