This package is abandoned and no longer maintained. The author suggests using the intervention/image package instead.
composer require geo6/php-image-tools
This library provides following functions :
Generates thumbnail by defining maximum size for the long side of your image.
Rotates your image based on EXIF Orientation
parameter (see https://www.impulseadventure.com/photo/exif-orientation.html).
Save your (new) image on the disk.
Send your image to the browser with correct headers to display it.