diff options
| -rw-r--r-- | src/core/SkScalerContext.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/core/SkScalerContext.cpp b/src/core/SkScalerContext.cpp index 96a0f80d7d..d529db9eb0 100644 --- a/src/core/SkScalerContext.cpp +++ b/src/core/SkScalerContext.cpp @@ -675,8 +675,10 @@ bool SkScalerContextRec::computeMatrices(PreMatrixScale preMatrixScale, SkVector // All underlying ports have issues with zero text size, so use the matricies to zero. // If one of the scale factors is less than 1/256 then an EM filling square will // never affect any pixels. + // If there are any nonfinite numbers in the matrix, bail out and set the matrices to zero. if (SkScalarAbs(GA.get(SkMatrix::kMScaleX)) <= SK_ScalarNearlyZero || - SkScalarAbs(GA.get(SkMatrix::kMScaleY)) <= SK_ScalarNearlyZero) + SkScalarAbs(GA.get(SkMatrix::kMScaleY)) <= SK_ScalarNearlyZero || + !GA.isFinite()) { s->fX = SK_Scalar1; s->fY = SK_Scalar1; |