I am looking for a way to automatically create an image rendering for each word in a text file (I am working on an \"easy\" way to display a complex script on computers and cell
For simple I would use Perl::GD. I have used it in the past. Take a look at this.
Use Gtk3::WebKit to capture rendered HTML to any libcairo output target.
As of 2011, this is the most modern and flexible solution.
Sample rendering to PNG of the whole Khmer phrase
Another option would be to prerender the texts with LaTeX.