Graphics

Barcode
Creates a barcode image as a png file object. Currently only does type Code 128 (B or C). Also decodes scans from the CueCat scanner and retrieves the url from a Digital Convergence server.
http://blort.org/~kgasso/cuecat.BAK/perl_decoder/

CAD::Drawing
CPAN module for loading, generating and saving vector drawings. Supports an extensible plug-in architecture to support importing and exporting to various file formats.
http://search.cpan.org/search%3fmodule=CAD::Drawing

Chart
CPAN module based on GD to create charts. Supports: point, line, bar, line-point, composite, stacked-bars, pie, pareto, horizontal-bars, split, error-bars, direction and mountain charts.
http://search.cpan.org/~chartgrp/Chart-2.4.1/

FFmpeg
CPAN module that uses the FFmpeg (v6036) library to capture video frames and codec information.
http://search.cpan.org/~allenday/FFmpeg-6036/FFmpeg.pm

Font::FreeType
CPAN module for retrieving TrueType glyphs and metrics for 2D and 3D rendering.
http://search.cpan.org/~geoffr/Font-FreeType-0.03/

GD
CPAN module for the GD graphics library. Supports basic drawing.
http://search.cpan.org/dist/GD/

GD::Barcode::QRcode
CPAN module for creating 2D barcodes (QR code). Commonly supported on Japanese cameraphones for scanning ads.
http://search.cpan.org/~kwitknr/GD-Barcode-1.15/Barcode/QRcode.pm

Gimp
CPAN module for writing Gimp Extensions, Plug-ins, Load and Save Handlers. The GNU Image Manipulation Program (Gimp) is an open source image editing application and framework, somewhat similar to Adobe's Photoshop.
http://search.cpan.org/dist/Gimp/

Graphics::ColorUtils
CPAN module for color space conversion. Supports RGB, CMY, YIQ, HLS and HSV. Also provides color name lookups, HEX values and gradient generation.
http://search.cpan.org/~janert/Graphics-ColorUtils-0.17/lib/Graphics/ColorUtils.pm

Graphics::Plotter
CPAN module for the C++ GNU plotter library.
http://search.cpan.org/~makler/Graphics-Plotter/Plotter.pm

GraphViz
CPAN module for creating GraphViz files, used for node-based diagrams, org charts, and other relational presentations.
http://search.cpan.org/~lbrocard/GraphViz-2.02/lib/GraphViz.pm

HTML::BarGraph
CPAN module for generating bar graphs, using plain HTML. Supports titles and horizontal/vertical labels.
http://search.cpan.org/~podgursv/HTML-BarGraph-0.5/BarGraph.pm

Ilib
A C library to read, create, manipulate and save images. It supports PPM, XPM, GIF, PNG and JPG image formats, and X11 BDF fonts for drawing text. The API is partially implemented as a Perl module, included with the distribution.
http://www.k5n.us/Ilib.php

Image::Grab
CPAN module that enables retrieval of images with dynamic / 'hidden' URLs.
http://mah.everybody.org/hacks/perl/Image-Grab/

Image::Imlib2
CPAN module which supports reading, creating and saving JPEG, PNG and GIF files. Provides documentation and sample code.
http://search.cpan.org/~lbrocard/Image-Imlib2-1.13/lib/Image/Imlib2.pm

Image::Magick
CPAN module, which provides an imaging library for editing, compositing and transcoding; supports most image formats.
http://search.cpan.org/~jcristy/PerlMagick/Magick.pm

Imager
CPAN module providing 24 bit imaging without the need to install an external library. Includes news, bug reporting and future plans.
http://imager.perl.org/

OpenGL
CPAN module for OpenGL 3D rendering; also known as Perl OpenGL (POGL). Supports C pointer APIs for high performance.
http://search.cpan.org/dist/OpenGL/

OpenGL::Image
CPAN module - for tight integration between OpenGL and various imaging libraries. Allows POGL to share C pointers between ImageMagick's image buffers and the GPU.
http://search.cpan.org/dist/OpenGL-Image/

OpenGL::Shader
CPAN module that abstracts OpenGL APIs for ARB, Cg and GLSL shading languages. Includes the latest release, documentation and examples.
http://search.cpan.org/dist/OpenGL-Shader/

Perl Flash
(Flash.pm) An interface of libswf.a (written by Paul Haeberli).
http://www.the-labs.com/PerlFlash/

PostScript::MailLabels
CPAN module for printer calibration pages, and generating PostScript code for putting addresses on mailing label stock.
http://oplnk.net/~ajackson/software/maillabels/

PostScript::Simple
CPAN module for generating PostScript for display and printing. Supports simple vector graphics.
http://search.cpan.org/~mcnewton/PostScript-Simple-0.07/lib/PostScript/Simple.pm

SVG
CPAN module (100% Perl) which generates an SVG (Scalable Vector Graphics) image from a nested DOM structure. Includes documentation and examples.
http://search.cpan.org/~ronan/SVG-2.33/lib/SVG/Manual.pm

SWF::Builder
CPAN module for dynamically creating and parsing Flash files, and creating streaming videos. Includes documentation and sample code.
http://search.cpan.org/~ysas/SWF-Builder-0.16/lib/SWF/Builder.pm