Developing complex kepubs

neclepsio · 10-16-2024, 10:10 AM

Hello everyone,

I'm writing a book with complex layout and some very simple Javascript.
My goal is to sell on Kobo store, only for the devices with pen support, so I think the format should be kepub. Is this correct?

Each time I made a modification, that works on Calibre ebook editor, I have to connect my device, copy the file, disconnect the cable, and test it (mainly to find nothing works at all and having to try a new strategy).

Development is going really slow (and I'm also stressing my device battery).

Is there a way to speed up the testing? A kind of "simulator" for the webkit renderer used by Kobo devices for kepubs?

How can I check in advance if some CSS and Javascript features are supported or not?

Thank you
Ignazio

PeterT · 10-16-2024, 11:11 AM

You could use Kobo Desktop. See https://github.com/kobolabs/epub-spe...sting-purposes for instructions on side loading to Desktop.

Sent from my Pixel 7a using Tapatalk

neclepsio · 10-16-2024, 11:51 AM

[EDIT]: I was not following instructions correctly

Thank you!

neclepsio · 10-16-2024, 12:10 PM

Unfortunately, the rendering is different: my book layout works with desktop and does not work on the real device.

Any other idea?

Thank you

fogice · 10-16-2024, 12:28 PM

If you install NickelMenu, you don't have to unplug and replug the Kobo each time you want to test. There's a menu option to re-establish the USB connection after ejecting.

Code:

menu_item : main : USB Connect : nickel_misc : force_usb_connection

PeterT · 10-16-2024, 12:42 PM

Is there any way you could share a subset of your work so others can see what you are trying, and what happens?

neclepsio · 10-19-2024, 12:40 PM

Thank you to everyone, your help has been precious.

My problem was showing an image as big as possible, centered on screen, and so that ink notes with the pen are preserved correctly (so svg wrapper cannot be used), even when changing the device orientation (so the dimension should be fixed). It has been complicated, but maybe I'm near to a solution.

10-16-2024, 10:10 AM	#1
neclepsio Member Posts: 16 Karma: 10 Join Date: Oct 2024 Device: Kobo Libra Colour	Developing complex kepubs Hello everyone, I'm writing a book with complex layout and some very simple Javascript. My goal is to sell on Kobo store, only for the devices with pen support, so I think the format should be kepub. Is this correct? Each time I made a modification, that works on Calibre ebook editor, I have to connect my device, copy the file, disconnect the cable, and test it (mainly to find nothing works at all and having to try a new strategy). Development is going really slow (and I'm also stressing my device battery). Is there a way to speed up the testing? A kind of "simulator" for the webkit renderer used by Kobo devices for kepubs? How can I check in advance if some CSS and Javascript features are supported or not? Thank you Ignazio

10-16-2024, 11:51 AM	#3
neclepsio Member Posts: 16 Karma: 10 Join Date: Oct 2024 Device: Kobo Libra Colour	[EDIT]: I was not following instructions correctly Thank you! Last edited by neclepsio; 10-16-2024 at 11:56 AM.

10-16-2024, 12:28 PM	#5
fogice Addict Posts: 254 Karma: 49504 Join Date: May 2014 Device: Kobo Libra 2	If you install NickelMenu, you don't have to unplug and replug the Kobo each time you want to test. There's a menu option to re-establish the USB connection after ejecting. Code: menu_item : main : USB Connect : nickel_misc : force_usb_connection

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10-16-2024, 11:11 AM	#2
PeterT Grand Sorcerer Posts: 13,504 Karma: 78910112 Join Date: Nov 2007 Location: Toronto Device: Libra H2O, Libra Colour	You could use Kobo Desktop. See https://github.com/kobolabs/epub-spe...sting-purposes for instructions on side loading to Desktop. Sent from my Pixel 7a using Tapatalk

10-16-2024, 12:10 PM	#4
neclepsio Member Posts: 16 Karma: 10 Join Date: Oct 2024 Device: Kobo Libra Colour	Unfortunately, the rendering is different: my book layout works with desktop and does not work on the real device. Any other idea? Thank you

10-16-2024, 12:42 PM	#6
PeterT Grand Sorcerer Posts: 13,504 Karma: 78910112 Join Date: Nov 2007 Location: Toronto Device: Libra H2O, Libra Colour	Is there any way you could share a subset of your work so others can see what you are trying, and what happens?

10-19-2024, 12:40 PM	#7
neclepsio Member Posts: 16 Karma: 10 Join Date: Oct 2024 Device: Kobo Libra Colour	Thank you to everyone, your help has been precious. My problem was showing an image as big as possible, centered on screen, and so that ink notes with the pen are preserved correctly (so svg wrapper cannot be used), even when changing the device orientation (so the dimension should be fixed). It has been complicated, but maybe I'm near to a solution.

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