diff options
| author |  caryclark <caryclark@google.com> | 2016-08-26 09:54:25 -0700 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2016-08-26 09:54:25 -0700 |
| commit | f71ab8f58b0a7abb7818cf665dfb116ef370d572 (patch) | |
| tree | 76146780c3400c7f33920b840fd3f1f31ce064bd /src/core/SkGeometry.cpp | |
| parent | 56f33ea2acb39ebb041340a8ab7564facb95afce (diff) | |
avoid generating degenerate conic from arc
R=bsalomon@google.com
BUG=skia:5672
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2281953002
Review-Url: https://codereview.chromium.org/2281953002
Diffstat (limited to 'src/core/SkGeometry.cpp')
| -rw-r--r-- | src/core/SkGeometry.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/core/SkGeometry.cpp b/src/core/SkGeometry.cpp index 03a63b2bda..8f270f9722 100644 --- a/src/core/SkGeometry.cpp +++ b/src/core/SkGeometry.cpp @@ -1351,8 +1351,10 @@ int SkConic::BuildUnitArc(const SkVector& uStart, const SkVector& uStop, SkRotat // const SkScalar cosThetaOver2 = SkScalarSqrt((1 + dot) / 2); offCurve.setLength(SkScalarInvert(cosThetaOver2)); - dst[conicCount].set(lastQ, offCurve, finalP, cosThetaOver2); - conicCount += 1; + if (!lastQ.equalsWithinTolerance(offCurve)) { + dst[conicCount].set(lastQ, offCurve, finalP, cosThetaOver2); + conicCount += 1; + } } // now handle counter-clockwise and the initial unitStart rotation |