Boot image format

peejay · 04-25-2010, 05:02 PM

Hello,

First post! I have bought a Pocketbook 360 for my wife, and I would like to change the boot image.

Unfortunately, and after following the advice from another thread:

To achieve that - on Linux - use Gimp's
Colors->Desaturate to make it black and white
Colors->Posterize, 4 levels and save as Windows Bitmap

It doesn't want to play, telling me that the image format is wrong. it is 600x800 pxs

I have saved the file as a bmp, but I only get 16, 24 and 32 bit options using Gimp.

Any ideas greatly appreciated!

Kind regards

Ah, found the answer - changed the mode to b/w instead of desaturating, before posterizing!

kacir · 04-26-2010, 02:14 AM

What operating system on your computer you are using?
Are you able to install imagemagick?
http://www.imagemagick.org/script/binary-releases.php

see those threads
https://www.mobileread.com/forums/sho...ht=imagemagick
You can also use irfanview as described in the first post in this thread

https://www.mobileread.com/forums/sho...ht=imagemagick

I am using escher.png as an example, but you can use any format, not only png as a base for conversion with convert program from imagemagick package, even bmp.

04-25-2010, 05:02 PM	#1
peejay Junior Member Posts: 6 Karma: 10 Join Date: Apr 2010 Device: Pocketbook 360 * 2	Boot image format Hello, First post! I have bought a Pocketbook 360 for my wife, and I would like to change the boot image. Unfortunately, and after following the advice from another thread: To achieve that - on Linux - use Gimp's Colors->Desaturate to make it black and white Colors->Posterize, 4 levels and save as Windows Bitmap It doesn't want to play, telling me that the image format is wrong. it is 600x800 pxs I have saved the file as a bmp, but I only get 16, 24 and 32 bit options using Gimp. Any ideas greatly appreciated! Kind regards Ah, found the answer - changed the mode to b/w instead of desaturating, before posterizing! Last edited by peejay; 04-25-2010 at 05:19 PM. Reason: solved

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04-26-2010, 02:14 AM	#2
kacir Wizard Posts: 3,462 Karma: 10484861 Join Date: May 2006 Device: PocketBook 360, before it was Sony Reader, cassiopeia A-20	What operating system on your computer you are using? Are you able to install imagemagick? http://www.imagemagick.org/script/binary-releases.php see those threads https://www.mobileread.com/forums/sho...ht=imagemagick You can also use irfanview as described in the first post in this thread https://www.mobileread.com/forums/sho...ht=imagemagick I am using escher.png as an example, but you can use any format, not only png as a base for conversion with convert program from imagemagick package, even bmp.