Use ImageMagick

The command to create a negative of an image is

convert positive.jpg -negate negative.jpg



From: wanjaustev@gmail.com
Date: Wed, 11 Apr 2012 21:52:27 +0300
To: skunkworks@lists.my.co.ke
Subject: [Skunkworks] Photostat


I would like to do some photostat on certificates.

Any leads.

//Stephen

--
"Better Late Than Never, But Never Late is Better"

uwanja



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