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 Forum index » Taking the Puppy out for a walk » Misc
How to change jpeg to bmp & vice versa?
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Urban Hermit

Joined: 29 Oct 2009
Posts: 2

PostPosted: Thu 29 Oct 2009, 14:19    Post_subject:  How to change jpeg to bmp & vice versa?  

Question I am a very recent convert to Linux, and the computer-person who presided over my conversion recommended Puppy 4.3.1. (Ironic because I am a cat-person, benevolently indifferent to dogs.) So, that I have; and so far, I am happy with it. I do, however, have one problem, and I hope experienced/advanced users can tell me how to solve it: In Windows, changing jpegs tp bitmap, or vice versa, and manipulating image balance in jpegs, were easy to do. I wish to do this with Puppy 4.3.1, but the people at the shop where I was converted to Linux, have not yet thewmselves figured out how to do this. Would someone knowledgeable please advise?

Thank you.

"To live alone one must be a beast or a god, says Aristotle. Leaving out the third case: one must be both -- a philosopher."
-- Nietzsche, Twilight of the Idols, Maxims and Arrows #3
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amigo

Joined: 02 Apr 2007
Posts: 2257

PostPosted: Thu 29 Oct 2009, 15:25    Post_subject:  

The premier tool for image conversion in Linux is ImageMagick -but it si a command-line tool. Not sure if the version you are running has it. You can find out by running this command in a terminal:
which convert

If it returns something like:
/usr/bin/convert
you are 'in the money'.
convert img.jp img.<nearly any image format>

There are also GUI image programs in Puppy(depending on version). They support less options, but usually just open the file you want to convert and then choose File >> Save As and choose the format and name you want to save it as -it won't remove the original(neither will the ImageMagick tool 'convert')
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Fossil

Joined: 13 Dec 2005
Posts: 621
Location: Gloucestershire, UK.

PostPosted: Thu 29 Oct 2009, 17:42    Post_subject:  

Urban Hermit,

Welcome.
Most versions of Puppy have mtPaint. For individual images it is one of the quickest ways of either resizing or changing the format. Load image. If you need to resize, go to Image, 'Scale Canvas', input new size - perhaps 800, or 1024. Then, after resizing, File, Save As. Use the drop-down menu File Format to input the required change and, if jpg's, the quality.

If you require more extensive capabilities, download and install XNView with it's dependencies.

http://www.puppylinux.ca/tpp/big_bass/XnView-1.70.pet

http://www.murga-linux.com/puppy/viewtopic.php?mode=attach&id=15687
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CatDude


Joined: 03 Jan 2007
Posts: 1484
Location: UK

PostPosted: Thu 29 Oct 2009, 18:42    Post_subject:  

Hi

Fossil you beat me to it. Laughing

Fossil wrote:
If you require more extensive capabilities, download and install XNView with it's dependencies.


The link below is a re-packaged version that i did,
it contains the following packages from this thread: xnview Image converter and viewer

    XnView-1.70-version4.00.pet
    libXpso6-patch-4.00.pet
    xnview-default-MIME-types.tar.gz (minus one file that already exists in 431)

Plus i added: /usr/share/applications/Xnview-image-viewer.desktop as there wasn't one.
Oh yeah, and an icon: /usr/local/lib/X11/pixmaps/xnview48.png

XnView-1.70-version4.00.pet = 2.51 MB
md5sum c9fd7292fc4d39b160c76a67a2927d2d

Username = puppy
Password = linux

i just tried it out in Puppy-431 and it appears to run OK.

CatDude
.
XnView-in-431.jpg
 Description   
 Filesize   141.95 KB
 Viewed   2356 Time(s)

XnView-in-431.jpg


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Fossil

Joined: 13 Dec 2005
Posts: 621
Location: Gloucestershire, UK.

PostPosted: Thu 29 Oct 2009, 19:28    Post_subject:  

CatDude.
Thank you. Nice one! Much appreciated. Smile
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Urban Hermit

Joined: 29 Oct 2009
Posts: 2

PostPosted: Wed 11 Nov 2009, 11:46    Post_subject:  Thank-you note  

Just a short one to thank all of you for your help. (I apologise for my tardiness in reply.)
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abushcrafter


Joined: 30 Oct 2009
Posts: 1447
Location: England

PostPosted: Tue 09 Feb 2010, 18:45    Post_subject:  

Thanks CatDude Cool.
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