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Originally Posted by Land_Outcast
These are books which are being digitalized for sale through the major distributors.
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Then you'll have to be a bit more strict, and lean much more towards safe/"no bugs".
(If there are bugs, there are complaints and books get returned/pulled. And on Amazon, if you get the dreaded KQN [Kindle Quality Notice], sales drop dramatically.)
Quote:
Originally Posted by Land_Outcast
I mentioned SVG because some of the books have simple, or not so simple, vector graphics. Most of those which present this issue, though, have bitmap images with transparencies, not vectors.
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Can you show some screenshot examples of the problem-as-you-see-it in ADE?
(And if it's just scaling, just know that ADE's image scaling sucks, but from what I've seen on actual devices [Kobo, Nook, etc.], the scaling is better.)
Quote:
Originally Posted by Land_Outcast
I thought about using queries (to use a PNG when adequately rendered, otherwise use a GIF), but it would imply a lot of work, and I don't know how well supported they (queries) are across the board.
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If you want an ebook that works across the board:
PNG with white background (no Alpha/transparency).
For actual "EPUB-only" EPUBs, I think you'd be fine using transparent PNGs, and finagling a little more with some SVGs.
For "EPUB->Kindle" EPUBs, you might want to then use KF8/MOBI Media Queries (found in the Kindle Publishing Guidelines, Appendix D).
The issue with media queries outside of that... they could potentially lead to the "duplicate image" bug. For example, there are a ton of non-standards compliant readers out there (like Moon+ Reader on Android, etc.). So they'll ignore the query, then you'll see BOTH images.
[QUOTE=Land_Outcast;3993490]For the time being I've been using GIFs, the result is not hideous, but it
is the lowest common denominator, with the usual drawbacks that implies. By the way, I belive they do work ok in most formats, but I'm something of a newcomer in this, so
please correct me if I'm wrong in my belief.
GIF is an antiquated format that needs to be stuck in the dustbin. :P
PNG supersedes GIF in every way (besides animation, but animated GIFs aren't supported in ebooks).
Quote:
Originally Posted by Land_Outcast
I could, realistically, call it a day and just leave it at centered jpg images with white background, no float, no transpanecy… but I like to do things the best they can be done with my current skills (or learn a thing o two and do them better), and the allotment of time for the task in question.
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If you show some examples of what you're trying to accomplish, there could be different ways of tackling the issue.