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Setting animated wallpapers, using image files (crossfading)? (i.imgur.com)

submitted 1 day ago* (last edited 1 day ago) by TheTwelveYearOld@lemmy.world to c/linux@programming.dev

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I want to sort of recreate macOS 15's dynamic wallpaper, and downloaded this set of 8 wallpapers which are most / all the colors it cycles through. On Hyprland, I want to cycle through them throughout the day, but also slowly transition from one wallpaper to another for an hour or longer, crossfading / blending them.

I did some searching, and neither timewall or adi1090x/dynamic-wallpaper can do it. I looked at making my own script to blend images once every 60 secs, but I'm not sure how to quickly crossfade images. This command takes ~15 secs, I feel this should possible much faster with or without imagemagick: magick composite -blend 50 wallpaper1.png wallpaper2.png output.png.

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[–] sga@piefed.social 4 points 14 hours ago

I do not know why this got so downvoted (maybe for cross posting too much?, if so, try to reduce that a bit). Someone has said wpaperd already, but there is also awww. As to exactly get the rate of switching.

awww img <path/to/img>  

# You can also specify outputs:  
awww img -o <outputs> <path/to/img>  

# Control how smoothly the transition will happen, as well as its frame rate.  
# --transition-step: smaller values = smoother. Default is 2 if --transition-type is `simple`, and 90 if it is not.  
# --transition-fps: Default = 30.  
awww img <path/to/img> --transition-step <1 to 255> --transition-fps <1 to 255>  

# There are also many different transition effects:  
awww img <path/to/img> --transition-type center  

# Note you may also control the above by setting up the AWWW_TRANSITION_FPS,  
# AWWW_TRANSITION_STEP, and AWWW_TRANSITION environment variables.  

# To see all options, run  
awww img --help