This may be of some use to you:

http://www.imagemagick.org/script/perl-magick.php

http://www-128.ibm.com/developerworks/library/l-graf/?ca=dnt-428

http://www-128.ibm.com/developerworks/library/l-graf2/?ca=dgr-lnxw15GraphicsLine



Book:

Graphics Programming with Perl ISBN 1930110022