Tgif2tex allows us to use LaTeX commands in figures drawn by Tgif.  It
extracts strings and their positions from the figure and converts it
in picture environment of the LaTeX.  It also converts other
components of the figure such as lines, circles, ovals, etc into EPS.

WWW: http://www.cs.hiroshima-u.ac.jp/~nakano/tgif2tex/