Commit Graph

6 Commits

Author SHA1 Message Date
homm
af96b5d4b2 Precision improvement. No performance affected. 2013-03-25 00:06:02 +04:00
homm
0663e14444 speedup. divisions replaced by shifts. 2013-03-23 16:54:02 +04:00
homm
e88490b4f2 Precision improvement. ≈60% performance lost 2013-03-23 14:26:14 +04:00
homm
c39a51bcf0 Significant performance improvement of alpha_composite function. 2013-03-23 05:46:39 +04:00
Tom Payne
9d35947363 Avoid rounding error in Image.alpha_composite 2012-12-19 14:25:22 +01:00
Tom Payne
e414c66070 Add Image.alpha_composite 2012-12-04 16:44:26 +01:00