This is a programming task, to write a Translator for using aalib to covert to/from ascii art

http://www.haiku-os.org/legacy-docs/bebook/TheTranslationKit_Introduction.html

There is now a recipe to build optipng on haiku, it's in media-gfx/optipng

The translator for this should have controls to be able to set the various settings that are available in optipng.

Also after getting this to work it would be nice to have a recipe for haikuporter to build and install it.  See similar completed task here: http://www.google-melange.com/gci/task/view/google/gci2013/6343711390695424