detect when our quadratic is really linear for 2-point radial, and don't
authorreed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
Thu, 23 Jun 2011 15:07:04 +0000 (15:07 +0000)
committerreed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
Thu, 23 Jun 2011 15:07:04 +0000 (15:07 +0000)
commit8871a84935d3606aad2bb490f2704c388fcfed90
treea2716d2fbb3202e14c98f3c477048cb0b7e45618
parent73824072a9796e18aa68bbb51c7c05e54fea65b6
detect when our quadratic is really linear for 2-point radial, and don't
divide by zero, but rather just return -c/b

git-svn-id: http://skia.googlecode.com/svn/trunk@1684 2bbb7eff-a529-9590-31e7-b0007b416f81
src/effects/SkGradientShader.cpp