3 commits

Author	SHA1	Message	Date
Dane Springmeyer	1a8287da06	Add support for webp:alpha=false to create rgb images without alpha + other webp encoding cleanups - closes #1986	2013-08-15 14:47:28 -04:00
Dane Springmeyer	a141c5c27d	webp encoding/decoding support - refs #1955	2013-07-19 01:09:17 -04:00
Dane Springmeyer	3a9dd7724f	add tests and reference images (created at 211b102ec5) for ensuring consistent output of png encoding - refs #1557	2012-11-08 18:51:34 -05:00