This is a wrapper for Ghostscript library which uses the Qt toolkit. 
Please check the documentation in the qgs.h header.

This library is licenced under LGPL but using the GPL headers from 
GPL Ghostscript 8.15 make it tighten the conditions to GPL. If you want
to use AFPL Ghostscript please copy the iapi.h, ierrors.h and gdevsdp.h 
from AFPL Ghostscript sources to the gsapi directory.

This library is part of a project sponsored by Google's Summer of Code program,
http://code.google.com/summerofcode.html.
