diff options
Diffstat (limited to 'examples/widgets')
| -rw-r--r-- | examples/widgets/touch/fingerpaint/scribblearea.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/examples/widgets/touch/fingerpaint/scribblearea.cpp b/examples/widgets/touch/fingerpaint/scribblearea.cpp index e490495cd9..4af0ec8e7e 100644 --- a/examples/widgets/touch/fingerpaint/scribblearea.cpp +++ b/examples/widgets/touch/fingerpaint/scribblearea.cpp @@ -205,22 +205,24 @@ bool ScribbleArea::event(QEvent *event) continue; default: { - QRectF rect = touchPoint.rect(); - if (rect.isEmpty()) { + QSizeF diams = touchPoint.ellipseDiameters(); + if (diams.isEmpty()) { qreal diameter = MaximumDiameter; if (touch->device()->capabilities() & QTouchDevice::Pressure) diameter = MinimumDiameter + (MaximumDiameter - MinimumDiameter) * touchPoint.pressure(); - rect.setSize(QSizeF(diameter, diameter)); + diams = QSizeF(diameter, diameter); } QPainter painter(&image); painter.setPen(Qt::NoPen); painter.setBrush(myPenColors.at(touchPoint.id() % myPenColors.count())); - painter.drawEllipse(rect); + painter.drawEllipse(touchPoint.pos(), diams.width() / 2, diams.height() / 2); painter.end(); modified = true; - int rad = 2; + const int rad = 2; + QRectF rect(QPointF(), diams); + rect.moveCenter(touchPoint.pos()); update(rect.toRect().adjusted(-rad,-rad, +rad, +rad)); } break; |