Quote:
Originally Posted by innocenat
Are there any information out there on KFX/KPF format other than what is on MobileRead wiki?
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There is no good documentation that I am aware of.
There as bits and pieces of information scattered throughout various threads here on MobileRead, including this one:
KFX Format
Amazon has documented Ion which is the underlying data storage format for KFX. See
https://amzn.github.io/ion-docs/
Quote:
Originally Posted by innocenat
I tried to read KFX Output plugin source code but it get confusing really quickly when I get to the ION thingy.
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I wrote that for my own use and was asked to make it into a calibre plugin. It lack comments and isn't a great learning tool.
Quote:
Originally Posted by innocenat
What I wanted to do is to automate conversion of AZW3 manga to KFX manga. I figured with fixed layout book the KPF/KFX file is not going to be too complicated to be created by outside tools. Right now I have automate pretty much everything except having to open Kindle Create to import images and set table of content manually.
Also I am trying to figure out if it is possible to modify KPF/KFX to tag some pages as double-page spread. There doesn't seem to be this option in Kindle Create, and I don't have access to KFX file with this feature enabled.
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The online documentation for Kindle Create has some information on this.
Prepare Comic eBooks with Kindle Create (See the section on Facing Pages and Single Pages.)
Basically if you set two pages as being "facing pages" they will be shown together when viewed in landscape mode. If you need them to always be shown together you have to combine the images into a single page before importing into Kindle Create.
Trying to modify the KPF to reflect that after the fact would be difficult to do correctly.