Quote:
Originally Posted by Tex2002ans
and I also wrote another post why PNG is superior to JPG when dealing with "artificial" images:
<snip>........
I believe there was another topic where everyone discussed their favorite compression methods
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PNG is indeed good for "artificial" images, but just to clarify --- 8-bit (256-colors) is fine for "flat" colors or black & white, but is NOT sufficient for anything with gradients --- gradients will usually show banding, or "posterizing". For those, you must use 24-bit (16-million colors), and they will look
beautiful, but they will be enormously larger than jpeg.
Tex, I think the topic you are remembering is this one:
https://www.mobileread.com/forums/sh...d.php?t=225518
I tripped over it recently, after it had completely fallen out of my memory
I have been re-reading it and starting to use some forgotten tips from that thread, even if it is from 4 years back. I still always use Jellby's tip to down-size in several steps --- it works wonderfully to reduce the jaggies!