diff options
| -rwxr-xr-x | src/utils/SkShadowUtils.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/utils/SkShadowUtils.cpp b/src/utils/SkShadowUtils.cpp index ba4decc80d..c4b4e3d48e 100755 --- a/src/utils/SkShadowUtils.cpp +++ b/src/utils/SkShadowUtils.cpp @@ -499,6 +499,10 @@ void SkShadowUtils::DrawShadow(SkCanvas* canvas, const SkPath& path, SkScalar oc SkScalar hh = h / 2.f; SkScalar umbraInsetX = s * hw + factory.fRadius; SkScalar umbraInsetY = s * hh + factory.fRadius; + // The umbra is inset by radius along the diagonal, so adjust for that. + SkScalar d = 1.f / SkScalarSqrt(hw * hw + hh * hh); + umbraInsetX *= hw * d; + umbraInsetY *= hh * d; if (umbraInsetX > hw || umbraInsetY > hh) { // There is no umbra to occlude. factory.fOccluderType = SpotVerticesFactory::OccluderType::kTransparent; |