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Old 09-25-2013, 04:27 PM   #15
Tex2002ans
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Posts: 2,306
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Join Date: Jul 2012
Device: Kobo Forma, Nook
Quote:
Originally Posted by PoP View Post
If that can help I took screenshots on my K3W of
Fantastic, thank you for the real world images. (Forgive the overflowing formulas out of the boxes, I just whipped that EPUB together).

I just converted to AZW3 using Calibre as well, and then took it apart using KindleUnpack, and I see that Calibre leaves the images as PNGs.

I always thought KindleGen did PNGs -> GIFs because the old Kindles couldn't support the format... perhaps it is some leftover code from the old MOBI Pocket days?

Quote:
Originally Posted by Hitch View Post
The last time I unpacked a mobi we'd made with PNGs, what I got were gifs, across the board.
So I thought as well. I could have sworn that PNG -> GIF is what I read in the Kindle Documentation a long time ago, it was common knowledge that I absorbed from MR, and I knew that there was a KindleGen black background bug with PNG transparency.

I went to go look again at the Kindle Documentation specifically on PNG + changelog to see if that black background bug was fixed.... and then I stumbled across that JPG statement!

I might also want to see now what it does to a PNG that is > 128 KB (or whatever the limit is on images in KF7).

Quote:
Originally Posted by Hitch View Post
I'd have to go back and research it, to see what the updates are doing (although...pretty sure I unpacked this after 2.5, mind you). We're a bit swamped right now, so it won't be immediate replies/response on this.
Thank you, more tests are always welcome. And since you are in touch with all those Amazon people all the time, perhaps you can slip them a question about it please.
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