diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/corelib/tools/qeasingcurve.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/corelib/tools/qeasingcurve.cpp b/src/corelib/tools/qeasingcurve.cpp index 2ae63fe135..52c8d13fe3 100644 --- a/src/corelib/tools/qeasingcurve.cpp +++ b/src/corelib/tools/qeasingcurve.cpp @@ -583,6 +583,13 @@ struct BezierEase : public QEasingCurveFunction qWarning("QEasingCurve: Invalid bezier curve"); return x; } + + // The bezier computation is not always precise on the endpoints, so handle explicitly + if (!(x > 0)) + return 0; + if (!(x < 1)) + return 1; + SingleCubicBezier *singleCubicBezier = 0; getBezierSegment(singleCubicBezier, x); @@ -998,6 +1005,11 @@ struct BackEase : public QEasingCurveFunction qreal value(qreal t) override { + // The *Back() functions are not always precise on the endpoints, so handle explicitly + if (!(t > 0)) + return 0; + if (!(t < 1)) + return 1; qreal o = (_o < 0) ? qreal(1.70158) : _o; switch(_t) { case QEasingCurve::InBack: |