Quote:
Originally Posted by Quoth
It will fail when the reader (user) resizes the content as that only changes the font, as Hitch explained.
Images embedded in a line of text won't work. Text needs to be in prior and next paragraphs. Anchor images as character each in own paragraph, unless small, then several can be on one line.
Depends how you have defined them. The Kindle screens are 150 dpi (9.7″) or 167dpi (6″) for old devices. Later devices are 300 dpi for all size of screen. Absolute pixels and % behave differently. Before the Kindle Basic 2022 the Kindle 5 and Basic models (After Paperwhite) used the newer format but used a 6" 167 dpi screen. Later the KK3 and all later models except the DXG (really an upgraded DX that was before KK3) got FW updates to at least azw3. Much later models got also KFX.
If a Kindle has a Publisher option on Theme or Aa menu, then it can do azw3 (KF8, which is like epub2), otherwise it only does old mobi (KF7), the original 2007 Kindle format based on HTML3 with only inline styles and no separate CSS files or embedded fonts. KFX is more about delivery and encryption, maybe since PW2? It renders a bit differently to azw3 and different internals, but nothing that Amazon couldn't have updated azw3 to do as an option.
The eink isn't well suited for text books as the formats were designed for novels with some illustrations dropped in. Thus images never resize with resized text and are either absolute pixels or a % of width or height (never both, the other property must be set to auto).
Images embedded in text behave badly. Text flow with images is very non-portable code.
Hitch has great experience at this. I now avoid ebooks that need images like yours. Actual maths like LaTex or svg etc would be great but there is almost no support for it (especially none on Kindles).
So options are an App for iOS/Android/Fire or a fixed layout /PDF (almost no eink, needs 8″ or bigger screen).
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Well I guess that's very bad news for me. When you talk about an App, do you mean the kindle app? Will the settings I mentioned above work correctly in the app?
I take the opportunity to ask the following, let's say I forget about the idea of publishing for kindle and I generate an epub2 file for other platforms, would my configurations with EM values work correctly in this format?