diff options
| -rw-r--r-- | src/gui/painting/qbezier.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gui/painting/qbezier.cpp b/src/gui/painting/qbezier.cpp index 65e6063fe4..8964da9d37 100644 --- a/src/gui/painting/qbezier.cpp +++ b/src/gui/painting/qbezier.cpp @@ -301,6 +301,8 @@ static ShiftResult shift(const QBezier *orig, QBezier *shifted, qreal offset, qr QPointF points_shifted[4]; QLineF prev = QLineF(QPointF(), points[1] - points[0]); + if (!prev.length()) + return Discard; QPointF prev_normal = prev.normalVector().unitVector().p2(); points_shifted[0] = points[0] + offset * prev_normal; |