ex nihilo
Your picture, as LEDs
Drop a wallpaper here, paste it or give its address, and see it the way NIHIL draws its own: every cell of the screen an LED, lit by the picture underneath. It is drawn in this page, and a picture you drop or paste goes nowhere.
Drop a picture
How it's drawn
The same steps as the desktop's wallpapers (theme/dotmatrix.py) and the phone's studio, with the same numbers.
One LED per cell
The picture is cut to the exact size of the screen, so every LED lands on whole pixels, and split into cells of 9 px. The light of each cell sets how big and how bright its LED is; the unlit ones stay faintly visible.
The night stays off
The black point is raised: a dark sky stays dark instead of turning into a field of dim dots, and the brightest parts reach full white.
Stars stay
A single bright point lights its cell even when the cell around it is dark, so a star in the photo is a star on the screen.
Make it your wallpaper
On NIHIL, give the system the original picture, not this render: it draws it the same way for every screen, at each one's own size.
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Put the picture in your machine's wallpapers
sudo mkdir -p /etc/nixos/wallpapers sudo cp ~/Downloads/night.jpg /etc/nixos/wallpapers/ -
Rebuild, then pick it
nihil rebuild nihil-wallpaper set night -
Anywhere else
The PNG from this page is the wallpaper as it is, at the size you chose. On a phone, NIHIL for Android has its own studio.