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Old 05-10-2013, 07:30 AM   #1
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How to zoom pictures in drm-free epubs?
Hi,

I want to zoom pictures in an epub file (e.g. screenshots in an oreilly.com e-book). Is it possible and if yes how? I haven't found anything in the manual and for some epubs it's essential to be able to zoom a picture.

Any ideas?
Last edited by joblack; 05-10-2013 at 07:33 AM.
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Old 05-10-2013, 08:09 AM   #2
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Unfortunately, it isn't possible for an epub. If you load the book as a kepub, there is some image zooming. But, I think the image has to be the only thing on the screen to be able to zoom it.
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Old 05-10-2013, 10:16 AM   #3
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Arg, nobody told me about that bug ... ähh feature. Even the cheapest kindle can do that.
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Old 05-10-2013, 10:24 AM   #4
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Yes, we all wish Kobo would quit fiddling with style and fix the basic features like this.
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Old 05-10-2013, 12:59 PM   #5
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There is a way to zoom in on images with the following conditions:
  • Use Calibre Kobo Touch Extended to convert the epub to a Kepub
  • The image has to be on a single page
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Old 05-10-2013, 03:41 PM   #6
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I was surprised to find out it couldn't pinch to zoom on pictures in epubs as well.
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Old 05-10-2013, 06:46 PM   #7
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Quote:
Originally Posted by RZetlin View Post
There is a way to zoom in on images with the following conditions:
  • Use Calibre Kobo Touch Extended to convert the epub to a Kepub
  • The image has to be on a single page
Thanks, but I surely won't convert my open epub e-books to a proprietary format.
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Old 05-10-2013, 07:48 PM   #8
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Originally Posted by guitarizt View Post
I was surprised to find out it couldn't pinch to zoom on pictures in epubs as well.
I wasn't surprised exactly, but I was disappointed to find out it does not have this capability. My Sony T1 does this beautifully, and it is a highly useful feature, I've seen books that sometimes have TEXT PASSAGES done as images, and being able to zoom is sometimes the only thing that makes them readable!
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Old 05-11-2013, 12:08 AM   #9
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I have a T1 too and I got it because it was the best thing out for reflow last year when I bought it. I guess I've gotten spoiled and assume everything can handle things as well as the T1. If only the T1 had a nice fronlit screen like at least the PW.
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Old 05-11-2013, 12:14 AM   #10
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Quote:
Originally Posted by joblack View Post
Thanks, but I surely won't convert my open epub e-books to a proprietary format.
The extended driver does the conversion on the fly when you send the book to the device. The copy in the calibre library is untouched
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Old 05-11-2013, 12:01 PM   #11
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Thanks, but I surely won't convert my open epub e-books to a proprietary format.
I would not call this a proprietary format. It is still a regular epub.
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Old 05-11-2013, 02:30 PM   #12
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I would not call this a proprietary format. It is still a regular epub.
Maybe, but I don't see any reason that I have to convert all my epubs just because Kobo doesn't see the need to program a decent epub viewer.
Last edited by joblack; 05-11-2013 at 02:32 PM.
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Old 05-12-2013, 11:31 AM   #13
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Quote:
Originally Posted by joblack View Post
Maybe, but I don't see any reason that I have to convert all my epubs just because Kobo doesn't see the need to program a decent epub viewer.
On the Kobo developers thread there is a hack available to install "kindlepdfviewer" on several models of Kobos (not the Aura) with good results.
https://www.mobileread.com/forums/sho...64#post2511864
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Old 05-12-2013, 11:12 PM   #14
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How do you zoom in kepubs? Is it something that can only be done on the Aura or all Kobo eReaders?
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Old 05-12-2013, 11:27 PM   #15
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Tap the middle of the screen to bring up the bottom menu. If there is an image you can use zoom on, there will be a four way arrow in the menu. Press that to bring up the zoom options.
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