The movie layout:
Tv show layout:
default video layout
PVR layout:
Live TV layout:
Music layout
And finally slideshow layout (same as @mblovell defaut layout I did not work on it)
Edit, sorry for the multiple post, but I am/was limited by the max number of picture/post
EDIT #2 from 2021-05-02:
I tested with higher resolution.
I was unable to output 2560x1440 on my RPI 3B+, I tried various framerate, but I kept having “no signal” or “unsupported signal” on my monitor.
This issue is not related to kodi panel but only raspberry PI OS.
Anyway, I tested 1920x1080p by scaling up my layout (basically, multiplying by ~x2.2 all the pixel/size values)
I had no issue regarding power usage (around 20% CPU load for kodi panel processus)
Only issue is that artwork get limited to the size of the thumb retrieved by kodi (no upscaling) so with high DPI display the artwork tend to be limited