Kepub that doesn't change the formatting?

JSWolf · 09-29-2014, 03:32 PM

Is it possible for Kobo to create kpeub that does not change the ePub's original formatting? kepub does change the formatting of the ePub. I've compared kepub to the original ePub and it's not the same. It's noticeably different and in most cases, the original is better in some way. And when you use the Modify ePub plugin to remove the kepub additions, the eBook's formatting is yet again different.

I've tested this with both Calibre's viewer and ADE 2.

PeterT · 09-29-2014, 03:43 PM

Remember that we're talking here about two DIFFERENT rendering engines, with more than likely, different sets of default built-in defaults for styling.

Anak · 09-29-2014, 04:23 PM

Can you describe (some) of the changes?

JSWolf · 09-29-2014, 04:27 PM

Quote:

Originally Posted by Anak

Can you describe (some) of the changes?

Font size, line height, section breaks, graphics, spacing, margins, and probably other things I am leaving out.

I'll get some screen grabs from ADE and attach them so you can see for yourself.

JSWolf · 09-29-2014, 04:30 PM

Quote:

Originally Posted by PeterT

Remember that we're talking here about two DIFFERENT rendering engines, with more than likely, different sets of default built-in defaults for styling.

In both cases, the eBooks have different formatting. The conversion to kepub does change the original formatting and it shows with both ADE and Calibre.

Can you have a look and see if a kepub in access is formatted the same as the same eBook in ePub with ADE on the same Kobo Reader?

zztush · 09-29-2014, 05:17 PM

Quote:

Originally Posted by JSWolf

Font size, line height, section breaks, graphics, spacing, margins, and probably other things I am leaving out.

I'll get some screen grabs from ADE and attach them so you can see for yourself.

Default font becomes Mincho in kepub for right to left documents.

JSWolf · 09-29-2014, 07:22 PM

Quote:

Originally Posted by zztush

Default font becomes Mincho in kepub for right to left documents.

Default font is up to the program used to view the kepub.

PeterT · 09-29-2014, 07:45 PM

If you want to experiment with the Kobo Desktop reading user created content see the notes from Kobo @ https://github.com/kobolabs/epub-spec

Anak · 09-30-2014, 05:13 AM

Quote:

Originally Posted by PeterT

Remember that we're talking here about two DIFFERENT rendering engines, with more than likely, different sets of default built-in defaults for styling.

Yes, that's true and can cause/explain (some of) the differences between kepub and epub that might occur. Different default settings or different supported/unsupported epub2/3 features (http://epubtest.org/).

To rule out engine causes
1. rename a .epub to .kepub.epub without making any changes to the book (epub) itself. If it still looks the same then it is pretty safe to conclude it is not an underlying rendering engine issue.
Minor differences may indeed explain differences in default settings or supported/unsupported epub2/3 features (http://epubtest.org/).

We should compare

the original epub
the renamed epub to kepub.epub (without any modifications)
the converted epub to kepub using a plugin
(or) manually create a kepub by adding the Kobo Style hacks

JSWolf · 10-01-2014, 10:17 PM

If you look in the "kepub stuff" thread, you'll see that the problems have been solved. It was because of a set of styles left in the headers of XML in the kepub that caused the formatting differences once the kepub code was removed. Modify ePub has been fixed to remove this and it's in the Modify ePub thread. I expect a new official version soon.

09-29-2014, 03:32 PM	#1
JSWolf Resident Curmudgeon Posts: 79,474 Karma: 145863170 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3	Kepub that doesn't change the formatting? Is it possible for Kobo to create kpeub that does not change the ePub's original formatting? kepub does change the formatting of the ePub. I've compared kepub to the original ePub and it's not the same. It's noticeably different and in most cases, the original is better in some way. And when you use the Modify ePub plugin to remove the kepub additions, the eBook's formatting is yet again different. I've tested this with both Calibre's viewer and ADE 2.

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09-29-2014, 03:43 PM	#2
PeterT Grand Sorcerer Posts: 13,384 Karma: 78877538 Join Date: Nov 2007 Location: Toronto Device: Libra H2O, Libra Colour	Remember that we're talking here about two DIFFERENT rendering engines, with more than likely, different sets of default built-in defaults for styling.

09-29-2014, 04:23 PM	#3
Anak Guru Posts: 601 Karma: 641742 Join Date: Mar 2012 Location: DE Device: Kobo Glo	Can you describe (some) of the changes?

09-29-2014, 07:45 PM	#8
PeterT Grand Sorcerer Posts: 13,384 Karma: 78877538 Join Date: Nov 2007 Location: Toronto Device: Libra H2O, Libra Colour	If you want to experiment with the Kobo Desktop reading user created content see the notes from Kobo @ https://github.com/kobolabs/epub-spec

10-01-2014, 10:17 PM	#10
JSWolf Resident Curmudgeon Posts: 79,474 Karma: 145863170 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3	If you look in the "kepub stuff" thread, you'll see that the problems have been solved. It was because of a set of styles left in the headers of XML in the kepub that caused the formatting differences once the kepub code was removed. Modify ePub has been fixed to remove this and it's in the Modify ePub thread. I expect a new official version soon.

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