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Old 06-28-2018, 03:05 PM   #15
jackie_w
Grand Sorcerer
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Posts: 6,255
Karma: 16544692
Join Date: Sep 2009
Location: UK
Device: ClaraHD, Forma, Libra2, Clara2E, LibraCol, PBTouchHD3
Just a little personal anecdote ... I'm also in the 'hate filler bars' camp, especially white fillers with a dark cover. However I can't argue with the fact that stretch-to-fit occasionally looks grotesque, particularly on a cover containing a large human face.

So 18 months ago I decided to experiment with preserving the aspect ratio but doctoring the filler bars to be a better colour match for each particular cover. I thought this might be a good compromise. There are many ways to do this so I picked 3 different methods and hacked my copy of KoboTouchExtended to create the screensaver-with-designer-fillers on the fly during calibre send-to-device on 3 different Kobo models.

To cut a long story short, 18 months on I still can't decide which is the 'best' method because for some covers the fillers merge beautifully with the main cover and others don't - whichever method you pick.

One thing I did discover by accident is that screensaver appearance on an H2O or KA1 is far superior to that on a GloHD or ClaraHD. The latter two models have far more 'grayscale banding' than the former two models which have very smooth grayscale, the KA1 being the smoothest.
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