fix gradients with alpha to convert to premul *after* the intermediate color
has been computed, othewise we can't distinguish 0x00000000 from 0x00FF0000
Add fast case for index blit where we read 4 src pixels at a time



git-svn-id: http://skia.googlecode.com/svn/trunk@248 2bbb7eff-a529-9590-31e7-b0007b416f81
4 files changed