Supported output formats are png8, png24, gif and jpeg.
The main purpose of this package is to replace png/jpeg and similar native
devices in R which either rely on X11 or use GhostScript are thus are very slow
and not suitable in server applications. GDD also supports advanced features
such as anti-aliasing of both lines and text.
WWW: http://www.rosuda.org/R/GDD/
