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How to crop a jpeg

Here you can post about what you did to get MEPIS to work right with your computer or if hardware worked right out of the box for you. This is for the computers and/or hardware that is normally hard to get working right in Linux or MEPIS.
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eemaestro
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How to crop a jpeg

#1 Postby eemaestro » Mon Sep 26, 2016 5:44 pm

Some months ago (or was it years?), I had looked for a program to simply crop a jpeg image, to create a new image.

I had searched web how-to's on using gimp to do this. But after spending half an hour to forty-five minutes trying to do in gimp, had no success, and felt no smarter about gimp, so gave up.

Today I stumbled across a bit map editor http://www.linuxinsider.com/story/75531.html that runs on Windoze/Mac/Linux and

Code: Select all

$ apt-cache search pinta
revealed it to already be in the MEPIS repo!
So I installed it. APT told me the program occupied 4.7 MB of disk space.

So I opened the program, found a jpeg, and tried to crop the image, with NO previous experience and with NO additional web reading. It took me 7 minutes of experimentation, and the image was cropped the way I intended to. I wrote it to another jpeg file, and verified it was so using gwenview. Because pinta has unlimited un-do, I was also able to get the original image back by pressing Ctrl-Z about five dozen times.
What a pleasant surprise!

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richb
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Re: How to crop a jpeg

#2 Postby richb » Mon Sep 26, 2016 5:46 pm

I am surprised. It is very easy in Gimp
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SSD Production: MX-15- 64 - migrated to MX-16 RC1
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Gordon Cooper
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Re: How to crop a jpeg

#3 Postby Gordon Cooper » Mon Sep 26, 2016 6:27 pm

@ eemaestro - You commented that gwenview was used for verification - gwenview can also do simple cropping and can revert to the original image.
Homebrew64 bit Intel duo core 2 GB RAM, 120 GB Kingston SSD, Seagate1TB.
Primary OS : MX-16.1 64bit. Also MX17, Kubuntu14.04 & Puppy 6.3.
Toshiba Portege Tablet MX16, WinXP.

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eemaestro
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Re: How to crop a jpeg

#4 Postby eemaestro » Tue Sep 27, 2016 12:18 pm

Today I opened a jpeg in gwenview and tried to follow this tutorial to crop it:
http://www.upubuntu.com/2011/06/how-to- ... nview.html

Eight minutes went by. I still could not find anything labeled "crop". Probably because I couldn't find the "right vertical toolbar".

So I gave up.

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arjaybe
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Re: How to crop a jpeg

#5 Postby arjaybe » Tue Sep 27, 2016 1:03 pm

When I select Edit I see Crop, which has the keystroke Shift-C. Two simple ways to get at it. I don't see a "right vertical toolbar" either, and I don't see an "Edit" menu item in that tutorial. But I do have a left vertical toolbar, and at the bottom there are three buttons for Folders, Information and Operations. There is a Crop under Operations.
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timkb4cq
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Re: How to crop a jpeg

#6 Postby timkb4cq » Tue Sep 27, 2016 1:08 pm

And if you have the Menubar where "Edit" resides hidden, you can unhide it by pressing <ctrl>+m
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Stevo
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Re: How to crop a jpeg

#7 Postby Stevo » Tue Sep 27, 2016 3:32 pm

MX 15's Shotwell also works well; I used it to crop out my avatar of the Macklemore Thrift Shop monkey from a screenshot of a video, wearing your grandad's clothes and looking freakin' awesome. It looks real and slow-mo--not CGI.

Despite some time searching, my Google-fu skills could not find the original monkey video, though I know it was added to the subreddit for animated gifs with sound a couple of weeks ago. I didn't have time to search through those.

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eemaestro
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Re: How to crop a jpeg

#8 Postby eemaestro » Tue Sep 27, 2016 6:02 pm

Okay, arjaybe, I was able to crop a jpeg using your <shift> c advice. Thanks.
I'll probably stick to pinta since I could figure it out on my own. Maybe I'll try shotwell
sometime, as I see it's in the repo. for MEPIS12 too.

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aus9
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Re: How to crop a jpeg

#9 Postby aus9 » Tue Sep 27, 2016 6:43 pm

at the risk of appearing to be a mtpaint fanboy.....maybe I am

cropping is almost intuitive in it.

Assuming you are right handed, left click say the top area where you want to keep the image,
hold down the mouse and slide down and to the right to where you want image to end,
release mouse,
cick the delete key
image is cropped
now either click on save or save as

the red dash-es show what I am about to crop....meaning the image will just be pay to

Image

You don't have to start at top left hand corner, you could start at any other corner and slide to the diaganol opposite corner

(2) Before clicking delete you can also re-adjust the box of dashes but I am revealing too many secrets eh :bagoverhead:
good Luck from MX-16 user

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eemaestro
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Re: How to crop a jpeg

#10 Postby eemaestro » Tue Oct 11, 2016 10:08 am

I tried to crop the same image this morning after installing mtpaint from the Debian repo.
It took me one minute, without reading your directions. (but only because my clock doesn't have a
second hand) I also discovered Ctrl-Z undid the wrong action I first took.
Yes, I will keep mtpaint. Definitely a winner. Thank you, aus9. If there exist other things I can do with it, be sure to mention them.


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