diff options
| -rw-r--r-- | examples/widgets/widgets/tablet/tabletcanvas.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/examples/widgets/widgets/tablet/tabletcanvas.cpp b/examples/widgets/widgets/tablet/tabletcanvas.cpp index 54e8544a3d..9812c29554 100644 --- a/examples/widgets/widgets/tablet/tabletcanvas.cpp +++ b/examples/widgets/widgets/tablet/tabletcanvas.cpp @@ -174,13 +174,13 @@ void TabletCanvas::paintPixmap(QPainter &painter, QTabletEvent *event) painter.setBrush(m_brush); QPolygonF poly; qreal halfWidth = pressureToWidth(lastPoint.pressure); - QPointF brushAdjust(qSin(qDegreesToRadians(lastPoint.rotation)) * halfWidth, - qCos(qDegreesToRadians(lastPoint.rotation)) * halfWidth); + QPointF brushAdjust(qSin(qDegreesToRadians(-lastPoint.rotation)) * halfWidth, + qCos(qDegreesToRadians(-lastPoint.rotation)) * halfWidth); poly << lastPoint.pos + brushAdjust; poly << lastPoint.pos - brushAdjust; halfWidth = m_pen.widthF(); - brushAdjust = QPointF(qSin(qDegreesToRadians(event->rotation())) * halfWidth, - qCos(qDegreesToRadians(event->rotation())) * halfWidth); + brushAdjust = QPointF(qSin(qDegreesToRadians(-event->rotation())) * halfWidth, + qCos(qDegreesToRadians(-event->rotation())) * halfWidth); poly << event->posF() - brushAdjust; poly << event->posF() + brushAdjust; painter.drawConvexPolygon(poly); @@ -313,7 +313,7 @@ void TabletCanvas::updateCursor(const QTabletEvent *event) QPainter painter(&img); QTransform transform = painter.transform(); transform.translate(16, 16); - transform.rotate(-event->rotation()); + transform.rotate(event->rotation()); painter.setTransform(transform); painter.setCompositionMode(QPainter::CompositionMode_DestinationIn); painter.drawImage(-24, -24, origImg); |