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NiLuJe · 01-09-2022, 12:29 PM

cat /dev/fb0 > screen.dump

do stuff

cat screen.dump > /dev/fb0

<whatever eips flag does a simple refresh> (or fbink -s -f).

(There's an example of this in the ScreenSavers KUAL extension for the preview option. Also, probably in the KOReader startup script, IIRC).

Can also be handled via FBInk in a prettier way for API users via the fbink_dump/fbink_restore set of calls.

01-09-2022, 12:29 PM	#2
NiLuJe BLAM! Posts: 13,506 Karma: 26047190 Join Date: Jun 2010 Location: Paris, France Device: Kindle 2i, 3g, 4, 5w, PW, PW2, PW5; Kobo H2O, Forma, Elipsa, Sage, C2E	cat /dev/fb0 > screen.dump do stuff cat screen.dump > /dev/fb0 <whatever eips flag does a simple refresh> (or fbink -s -f). (There's an example of this in the ScreenSavers KUAL extension for the preview option. Also, probably in the KOReader startup script, IIRC). Can also be handled via FBInk in a prettier way for API users via the fbink_dump/fbink_restore set of calls.