3 commits

Author	SHA1	Message	Date
Eryn Wells	99f98d2bf5	Add virtual destructor to Writer	2013-09-20 09:10:55 -07:00
Eryn Wells	4523671920	Forward declare Scene class in Writer	2013-09-20 09:10:43 -07:00
Eryn Wells	5d8a940f30	Convert writer_png to C++; add Writer class; add PNGWriter class	2013-09-10 21:02:04 -07:00