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Old 08-09-2018, 02:14 PM   #1
odedta
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Waddap!? ePub double page question

Hey people, haven't been here in a long time now, i'm glad to see this forum is still active and some of the oldies are still around.

I was out of the ePub scene for a very long time and now I need to make a book and I kind of forgot what's possible or not. Basically, I want to make an image spread on "two pages" (because it's a wide image) on a reflowable epub.

I remember there are no "real" pages in an epub, but still, is it possible to force the device to change orientation for that image to show full screen? or a javascript that will open the image on full screen on tap? what would be a good way to tackle this issue?

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Old 08-09-2018, 07:30 PM   #2
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Quote:
Originally Posted by odedta View Post
Hey people, haven't been here in a long time now, i'm glad to see this forum is still active and some of the oldies are still around.

I was out of the ePub scene for a very long time and now I need to make a book and I kind of forgot what's possible or not. Basically, I want to make an image spread on "two pages" (because it's a wide image) on a reflowable epub.

I remember there are no "real" pages in an epub, but still, is it possible to force the device to change orientation for that image to show full screen? or a javascript that will open the image on full screen on tap? what would be a good way to tackle this issue?

If you have an image whose width is bigger that its height, with an image processor, rotate the image 90 degree to the left and insert that image (rotated) in your epub

EDIT: Of course, you could try/play with the property "transform: rotate (-90deg);" (or "-webkit-transform: rotate (-90deg);") but in ADE won't work.

Last edited by RbnJrg; 08-09-2018 at 08:35 PM.
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Old 08-11-2018, 02:39 AM   #3
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Hola RbnJrg,

Is there a way to make it work on ADE as well?

Thanks!
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Old 08-11-2018, 07:52 AM   #4
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The problem with rotating an image is not knowing if the user reads with the device in profile or landscape mode. How annoying when you turn your device to look at the "sideways" image, and find that the device rotates the display so that the image is STILL sideways!!
Just code so that the image takes up the available width by using either width=100% or wrap it in an svg on it's own page. Most devices/apps have the ability to "zoom" on an image when you tap (or double tap) it. So if it is an intricate, hi-res, image that you are really proud of, and the user is really interested, they can take the 1/2 second to tap the image. If they aren't interested in zooming then they won't be annoyed by sideways images.
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Old 08-11-2018, 08:42 AM   #5
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Quote:
Originally Posted by odedta View Post
Hola RbnJrg,

Is there a way to make it work on ADE as well?

Thanks!
Under epub2, no, sorry. You'll need to work with epub3 to do that on ADE.
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Old 08-11-2018, 04:20 PM   #6
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Quote:
Originally Posted by odedta View Post
Hola RbnJrg,

Is there a way to make it work on ADE as well?

Thanks!
No, and as Turtle so correctly points out, NOTHING is as bloody annoying as having some genius put a 90degree rotated image in an eBook, when you have auto-rotate set in your device so that you sit there chasing the bloody thing around.

I found this out the hard way, in the very early days of Booknook.biz, when we thought we were SOOOO clever, embedding rotated images to emulate spreads...and hoooo-boy, did we hear about it! And, no, not in a good way.

Just put the thing in there, as large as you wish, set with the top at the same "top" as the text. The reader can easily tap-zoom it, optimizing its appearance for their reader, rather than we bookmakers guesstimating it for them.

In this instance, it is definitely best to leave the driving to the reader and his or her device.

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Old 08-12-2018, 10:22 AM   #7
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Quote:
Originally Posted by Hitch View Post
Just put the thing in there, as large as you wish, set with the top at the same "top" as the text. The reader can easily tap-zoom it, optimizing its appearance for their reader, rather than we bookmakers guesstimating it for them.
Hitch
And can also hold the thing sideways, assuming he or she has left the default to flip.

(Not long after I acquired my first Fire tablet, I bought a history book from a Big Five publisher whose most crucial map was rotated 90 degrees. I didn't know at that time that one could change the default to no-flip, so every time I had to refer to the map, which was often, I had to lie supine on the couch and rotate MYSELF 90 degrees to the left while holding the dang tablet upright. Since I wear glasses, this was doubly annoying.)
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Old 08-12-2018, 12:22 PM   #8
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Quote:
Originally Posted by Notjohn View Post
And can also hold the thing sideways, assuming he or she has left the default to flip.

(Not long after I acquired my first Fire tablet, I bought a history book from a Big Five publisher whose most crucial map was rotated 90 degrees. I didn't know at that time that one could change the default to no-flip, so every time I had to refer to the map, which was often, I had to lie supine on the couch and rotate MYSELF 90 degrees to the left while holding the dang tablet upright. Since I wear glasses, this was doubly annoying.)
Res Ipsa Loquitur, odedta! :-)

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