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Old 01-03-2008, 03:08 PM   #16
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Is there such a thing as a public-domain manga? If there was a such as test case it would be easier for more people to try various approaches. Perhaps all that is needed is a standard set of JPEG images of about the right size. These could be from one of those PDF to image programs for example.
Try a Doujinshi. Not exactly public domain, but it would be the perfect test case material.
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Old 01-03-2008, 03:17 PM   #17
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To read it as separate image files: Navigation is too slow, and having a zillion of jpgs or pngs in the "covers" menu make it a real pain to wait until the thumbnails are loaded or until I navigate to the page I want to start reading.
The thumbnail generation was a bit irritating. Maybe it is possible to pre-generate this file. If you have a computer available you can always have files in sub-directories and rename them with a . first if you do not want to show them. Then rename them when you want to read them.
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Old 01-03-2008, 03:25 PM   #18
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I was going to suggest Doujinshi, but I couldn't find copyright notices on those websites, so I didn't want to risk uploading a copyrighted image OR using a copyrighted character. (for novices, a doujinshi is a manga written by an amateur author, but using well known characters from famous manga, as a sort of tribute.)

What I've uploaded are some old manga images taken from wikipedia and marked as copyright-free. These are from Hokusai and Kotaro, and by size and proportions they fit our needs.

Also I noticed something interesting. When I build a Mobipocket format book made of jpgs, the image displayed as "cover" will have no borders, thus using all the screen's space. When one starts reading the next pages, the borders appear.

Maybe there's a way to mark more images with the same "cover" characteristics so they all fit the whole screen.

I'll try with tompe's suggestion, but now I must leave for home.

See you in some hours. Thank you guys.
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Old 01-03-2008, 04:49 PM   #19
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Maybe there's a way to mark more images with the same "cover" characteristics so they all fit the whole screen.
There is some data in the header file that points out the cover image. I tested to point to two images but it only took the last one so it did not work.
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Old 01-03-2008, 11:18 PM   #20
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I was able to make a test MOBI by repeating the single Kotaro image and using a simple HTML file and html2mobi (MobiPocket Creator or mobigen.exe would presumably also have worked if given the same HTML file). The basic element of the HTML is:
Quote:
<div align="center"><img src="0001.jpg"/></div>
The example is attached, as are screenshots from my Kindle and iLiad. I created a negative image to distinguish the odd from even pages. The Kindle version is using the original 442x696 image size, and the image has been rescaled by the Kindle to fit the (smaller) space available. The iLiad version is using slightly larger (508x800) images, but they are still smaller than the available screen and it might be better to anchor the image to the bottom of the page. The 1st two iLiad images are from MobiPocket Reader, and the 2nd two using FBReader on the HTML file (iLiad FBReader failed on the MOBI version, although it worked under Windows).
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Old 01-03-2008, 11:36 PM   #21
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The thumbnail generation was a bit irritating. Maybe it is possible to pre-generate this file.
I did decode the format (bit pattern 192x144) and created the t2b files but it did not help. The thumb nails was created anyway.

I wonder why the format was 192x144 instead of 144x192?
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Old 01-04-2008, 08:29 AM   #22
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I wonder why the format was 192x144 instead of 144x192?
I just realised that there must be 2 bits per pixel so the format is 96x144 which seems more reasonable.
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Old 01-06-2008, 04:13 AM   #23
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I just realised that there must be 2 bits per pixel so the format is 96x144 which seems more reasonable.
Yes, that's why it's a good idea to try to use cover images with an aspect ration of 1.5 to 1 - the same as that of the thumbnail. I've standardised on using 600x400 covers.
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Old 01-07-2008, 07:15 AM   #24
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You are using Windows, screenreader? If yes, try Manga2Ebook - if you're using Linux, you could try my Bash script which depends on the GIMP, ImageMagick and libtiff (the scm file goes into GIMP's script folder and the gpl file into GIMP's palette folder).
I didn't try Manga2Ebook, but my script produces good PDF's which work great with the Cybook. Page turning is sometimes a bit slow, but that's the only problem I noticed.
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Last edited by IceHand; 03-29-2008 at 10:29 AM. Reason: Forgot to include the GIMP palette
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Old 01-11-2008, 07:27 PM   #25
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Hi, Icehand!! Yes, using Windows here. I'll try Manga2ebook, although I tested so many things that maybe I tested it and didn't work. I will test it again, however.

My problem is somewhat solved... but not how I expected:

-I gave up using mobipocket format because the image was reduced too much becasuse of the margins.
-I gave up using pdf because it always gets corrupted at some point, pages start showing blank and the Cybook even crashes.

So in the end I decided to follow Krystian Galaj's advice from the first page. I copied all the jpgs in the card and the books in the Cybooks internal memory. This way, after I am done reading manga, I turn off the power, insert the card in the pc, delete all read pages and it's ready for another use.

It's a boring and slow procedure... but it's the only way to read some hundred pages without annoying blank pages or the device crashing.

I just hope that announced zip support for image files will be definitely present in the next firmware release.

Thank you everybody for your concern and your help.
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Old 04-08-2008, 02:52 PM   #26
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Originally Posted by IceHand View Post
You are using Windows, screenreader? If yes, try Manga2Ebook - if you're using Linux, you could try my Bash script which depends on the GIMP, ImageMagick and libtiff (the scm file goes into GIMP's script folder and the gpl file into GIMP's palette folder).
I didn't try Manga2Ebook, but my script produces good PDF's which work great with the Cybook. Page turning is sometimes a bit slow, but that's the only problem I noticed.
Thanks, that linux script works amazingly well. Didn't notice any slower loading compared to using images individually.

One thing I noticed, though, is that the images aren't centered on the screen, but aligned to the left border, which feels kinda weird, and doesn't work so well with the carrying case, since at least my particular one obscures the left and upper part of the screen somewhat.

This isn't a dealbreaker, though, but until that firmware update comes along, it'd be awesome if the script could be modified to fix this (unfortunately I have no idea how, I'm really new with linux, you see. Actually dug out the ubuntu 7.10 cd I had lying around, only used it for testing so far, but this gave me a reason to keep linux as a permanent addition on my computer)
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Old 04-09-2008, 08:42 AM   #27
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Originally Posted by Myrddhin View Post
Thanks, that linux script works amazingly well. Didn't notice any slower loading compared to using images individually.

One thing I noticed, though, is that the images aren't centered on the screen, but aligned to the left border, which feels kinda weird, and doesn't work so well with the carrying case, since at least my particular one obscures the left and upper part of the screen somewhat.

This isn't a dealbreaker, though, but until that firmware update comes along, it'd be awesome if the script could be modified to fix this (unfortunately I have no idea how, I'm really new with linux, you see. Actually dug out the ubuntu 7.10 cd I had lying around, only used it for testing so far, but this gave me a reason to keep linux as a permanent addition on my computer)
Hm, that's strange, the images should be centered by the script. Could you send me the file that causes this problem (the original file, not the PDF)? I've send you a PM with my e-mail address.

EDIT: I just remembered something from the manga2pdf thread, are you using an older version of ImageMagick that does not support the -extent option?

Last edited by IceHand; 04-09-2008 at 08:46 AM.
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Old 04-12-2008, 07:37 AM   #28
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EDIT: I just remembered something from the manga2pdf thread, are you using an older version of ImageMagick that does not support the -extent option?
That might very well be the case, I didn't download ImageMagick off any website, I just found it in the synaptic package manager. I'm gonna try to get the latest version, perhaps that'll fix the problem.

EDIT: Getting the latest version seems to be tricky business in ubuntu, since there's only an .rpm installer available. Have tried converting the .rpm, as well as compiling from source, but both procedures seem to fail, one because ubuntu can't install the converted package, the other just doesn't work after all the compiling and installing. And now the version available from the package manager doesn't seem to work either. Oh well, it was worth a shot. I guess I'll just reinstall ubuntu, and make due with the old ImageMagick version. Man, I wish I knew how all this linux-stuff really works.

Last edited by Myrddhin; 04-12-2008 at 08:46 AM. Reason: Update
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Old 04-12-2008, 10:23 AM   #29
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Don't reinstall. Try this package: http://undesigned.org.za/2008/03/13/...for-ubuntu-710

If that doesn't work, try making a forced reinstall of the ImageMagick package from Synaptic. Reinstalling the whole system should never be required with Linux unless you majorly screw something up (never happened to me).

Last edited by IceHand; 04-12-2008 at 10:30 AM.
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Old 04-12-2008, 04:38 PM   #30
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Don't reinstall. Try this package: http://undesigned.org.za/2008/03/13/...for-ubuntu-710

If that doesn't work, try making a forced reinstall of the ImageMagick package from Synaptic. Reinstalling the whole system should never be required with Linux unless you majorly screw something up (never happened to me).
I'm afraid I wound up reinstalling everything after all, didn't get your post in time . With those packages, though, everything now works perfectly , Thank you!

Now I no longer need to yearn for that upcoming firmware update xD
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