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Old 09-15-2008, 03:01 PM   #1
pdurrant
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Mobipocket Cover Image Sizes

Prompted by some threads in the Kindle forum, I wanted to double-check the image size capabilities of the CyBook.

Cover Images:
I've found that Mobipocket covers of 600x800 are displayed correctly, provided that they are under 62KB. Since I understand other readers have problems with images over 60KB, I tend to keep under that figure.
There is a slight alteration to 600x800 images for covers - they have a 1 pixel black border added around their edge, just inside the image area so it displays.

(I tested the size by using an image that had 1 pixel white/black lines in two directions, as well as black steps near the edges. It was easy to see that the image hadn't been resized or cropped.)

One other thing I found while doing these tests is that the screen in My CyBook isn't quite centred. It's one pixel too low and to the right. I don't think I'll bother trying to do anything about it.

[edit: attached test image. Use it as the cover of a sample book to test the screen. The black steps at the edges are 16, 8, 6, 5, 4, 3, 2, 1 pixels. You won't see the 1 pixel step, as it will be covered by the 1 pixel border the mobipocket software adds when displaying the cover.]
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Last edited by pdurrant; 09-15-2008 at 04:06 PM.
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Old 09-15-2008, 03:06 PM   #2
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Any chance of attaching these images? I'd love to see if my 505 is all visible.
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Old 09-15-2008, 04:06 PM   #3
pdurrant
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I've added a good test image to the original post.

Paul

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Any chance of attaching these images? I'd love to see if my 505 is all visible.
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Old 09-15-2008, 08:24 PM   #4
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Thanks! My 505 seems ok.
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