make the same prerounding fix for the shadeSpan16 case
authorreed@android.com <reed@android.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
Fri, 12 Jun 2009 20:09:24 +0000 (20:09 +0000)
committerreed@android.com <reed@android.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
Fri, 12 Jun 2009 20:09:24 +0000 (20:09 +0000)
commitb2c5f2d2606930c4551d31a31921d87e0dd37cee
treef6c63e79a4e97f073f393f49f8e4925fa990931b
parentc552a43c7fe195bdafaa2394df21d08e34ccb96b
make the same prerounding fix for the shadeSpan16 case

git-svn-id: http://skia.googlecode.com/svn/trunk@213 2bbb7eff-a529-9590-31e7-b0007b416f81
src/effects/SkGradientShader.cpp