libwmf-0.2.0 Device Layer Reference
Currently 
libwmf has native support for only two device layers:
gd, and eps. (In fact, there is also some preliminary, optional
support for X, but that is not described here yet.)
Contents
#gdgd #epseps gd
Supports: PNG, JPEGFunction: wmf_gd_function eps
Supports: EPS, PSFunction: wmf_eps_functionCopyright 2001 wvWare/libwmf 
http://www.wvware.com/http://www.wvware.com/ 