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Old 10-29-2019, 04:54 AM   #3779
davidfor
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Posts: 24,905
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Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
Quote:
Originally Posted by JimmXinu View Post
Hmm. I hadn't noticed that before, but I see it, too.

FFF uses a Calibre function to pull the cover image out or generate one from the first page of the ebook (calibre.ebooks.metadata.meta.get_metadata()).

Calibre v4 appears to make the cover images larger. I'm seeing 1131x1600 & 1240x1754 while v3 makes them smaller, 590x750.

I suspect but can't prove that the font size is the same, but on a larger image; so the text appears smaller on the scaled image.

I haven't been able to find in Calibre where either the image or font sizes are set.
This has been bugging me to. With calibre 3.x, I had modified the cover generation to use 600x800 which resized well for my Kobo ereaders.

With 4.x, the method to render the page has changed. It is now in ebooks/render_html.py. That uses A4 for the page size. Using A6 produces an image of size 621x876. If you aren't running calibre from source, there isn't a way to change this.

For the record, I've never been fan of the first page that FFF produces as a cover. I split it to have a first page which is the title (as a h1) and author (separate centred paragrap) and the metadata is on the second page. The first page renders well on my Kobo device, looks a lot neater and is readable in some of the cover sizes used.
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