Aura One epup/kebup covers size

gillrael · 12-08-2016, 05:06 AM

Sorry because when I transfer with "Calibre" a epub to Aura One the size of the ebook covers is always different, sometimes full screen, the other half of the screen or otherwise no bigger than an icon. How can I fix the problem. Thank you

davidfor · 12-08-2016, 06:42 AM

The cover for an epub, is the first page. The device renders the first page as needed. That means that the cover image is always the correct size for the device. But, exactly what you see depends on how the first page is designed. If you get calibre to create the cover, it can create it so that the image fills the page. Or keeps it's aspect ratio properly.

For kepubs, the cover is an image inside the book and has to be marked as such. The extended driver and the kepup converter will do this. If there is no image in the kepub marked as the cover, the default text cover with the book title and format will be used.

You can also send the cover to the device when sending the book. The options to do this is in the both the main KoboTouch driver and the extended driver.

gillrael · 12-08-2016, 08:29 AM

I solved the problem by using this method,
by changing the code in "titlepage.xhtml" with Calibre

------------------------------------------------------------------------
Example using <svg>
Code:

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Cover</title>
<style type="text/css">@page {margin:0px;}</style>
</head>
<body style="margin:0px;">
<svg xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org 1999/xlink"
width="100%" height="100%" version="1.1"
viewBox="0 0 1080 1440" preserveAspectRatio="xMidYMid meet">
<image width="1080" height="1440" xlink:href="cover.jpg"/>
</svg>
</body>
-------------------------------------------------------------------------

Found here:

https://www.mobileread.com/forums/sho...d.php?t=280603

Thanks to GeoffR

davidfor · 12-08-2016, 05:46 PM

Yes, that is the suggested code. And if you do a conversion, or use the Polish books function to update the covers, that's is what calibre will use.

12-08-2016, 05:06 AM	#1
gillrael Junior Member Posts: 9 Karma: 10 Join Date: Nov 2014 Device: Pocketbook 912 - Kobo Aura One	Aura One epup/kebup covers size Sorry because when I transfer with "Calibre" a epub to Aura One the size of the ebook covers is always different, sometimes full screen, the other half of the screen or otherwise no bigger than an icon. How can I fix the problem. Thank you

12-08-2016, 08:29 AM	#3
gillrael Junior Member Posts: 9 Karma: 10 Join Date: Nov 2014 Device: Pocketbook 912 - Kobo Aura One	I solved the problem by using this method, by changing the code in "titlepage.xhtml" with Calibre ------------------------------------------------------------------------ Example using <svg> Code: <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Cover</title> <style type="text/css">@page {margin:0px;}</style> </head> <body style="margin:0px;"> <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org 1999/xlink" width="100%" height="100%" version="1.1" viewBox="0 0 1080 1440" preserveAspectRatio="xMidYMid meet"> <image width="1080" height="1440" xlink:href="cover.jpg"/> </svg> </body> ------------------------------------------------------------------------- Found here: https://www.mobileread.com/forums/sho...d.php?t=280603 Thanks to GeoffR Last edited by gillrael; 12-08-2016 at 08:35 AM.

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12-08-2016, 06:42 AM	#2
davidfor Grand Sorcerer Posts: 24,907 Karma: 47303748 Join Date: Jul 2011 Location: Sydney, Australia Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos	The cover for an epub, is the first page. The device renders the first page as needed. That means that the cover image is always the correct size for the device. But, exactly what you see depends on how the first page is designed. If you get calibre to create the cover, it can create it so that the image fills the page. Or keeps it's aspect ratio properly. For kepubs, the cover is an image inside the book and has to be marked as such. The extended driver and the kepup converter will do this. If there is no image in the kepub marked as the cover, the default text cover with the book title and format will be used. You can also send the cover to the device when sending the book. The options to do this is in the both the main KoboTouch driver and the extended driver.

12-08-2016, 05:46 PM	#4
davidfor Grand Sorcerer Posts: 24,907 Karma: 47303748 Join Date: Jul 2011 Location: Sydney, Australia Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos	Yes, that is the suggested code. And if you do a conversion, or use the Polish books function to update the covers, that's is what calibre will use.

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