3 commits

Author	SHA1	Message	Date
Dane Springmeyer	a51678d307	first, not yet fully working attemp to validate pixel alpha status - refs #1369	2012-08-03 14:13:13 -07:00
Dane Springmeyer	eb4740b50f	fix behavior of compositing via python api now that we have premultiplication issues sorted out in core - refs #1262 and #314 and #1211	2012-06-21 15:44:57 -04:00
Dane Springmeyer	13189e0a55	tests for compositing operations	2012-03-23 17:36:37 -07:00