I don't need auto-scrolling, just plain scrolling. I used to be into auto-scrolling, and put a fair amount of working into getting it working well in Plucker, but eventually I stopped using it.
I just tried Coolreader. My test epub, and not just a test since it's a book I need to be able to refer to quickly (look up passages at conferences, for instance), is Aquinas' Summa Theologica again. Coolreader took over a minute to open it. Drag-scrolling was unusably slow. Paging with the volume keys took about two seconds. Eek. And I couldn't click on the links.
But it looks really good and has a ton of nice options.
My suspicion from my experiments is that for some reason the epub readers are reading the whole file, and doing something with it. I don't know what. Paginating it into a single whole?! Why? Each segment of the epub is 260K and the epub format is a zip file, hence is indexed for random access of each segment. It shouldn't take more than a second or two to load in a segment and to format it.
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