3 commits

Author	SHA1	Message	Date
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
Dane Springmeyer	dcee6480f6	add test for #1559	2012-11-06 11:16:11 -05:00
Dane Springmeyer	eda4436b51	ensure that the transparency level option is passed to the octree encoder - closes #1556	2012-11-04 06:16:18 -05:00