Here we are providing a code igniter version of the same.
to download this please visit http://www.imakeitsolutions.com/croppic/
croppic is an image cropping jquery plugin
Please visit http://www.croppic.net/ for its features
for demo just open www. imakeitsolutions.com/croppic on your browser and on the demo area choose an image from your local files. zoom and adjust as you want then click the crop button. Done!