diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/multitouch/fingerpaint/scribblearea.cpp | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/examples/multitouch/fingerpaint/scribblearea.cpp b/examples/multitouch/fingerpaint/scribblearea.cpp index ac7df08..c07d982 100644 --- a/examples/multitouch/fingerpaint/scribblearea.cpp +++ b/examples/multitouch/fingerpaint/scribblearea.cpp @@ -184,24 +184,21 @@ bool ScribbleArea::event(QEvent *event) continue; default: { - QSizeF size= touchPoint.size(); - if (size.isEmpty()) { + QRectF rect = touchPoint.rect(); + if (rect.isEmpty()) { qreal diameter = qreal(50) * touchPoint.pressure(); - size = QSizeF(diameter, diameter); + rect.setSize(QSizeF(diameter, diameter)); } - QRectF rectF(QPointF(), size); - rectF.moveCenter(touchPoint.pos()); - QRect rect = rectF.toRect(); QPainter painter(&image); painter.setPen(Qt::NoPen); painter.setBrush(myPenColors.at(touchPoint.id())); - painter.drawEllipse(rectF); + painter.drawEllipse(rect); painter.end(); modified = true; int rad = 2; - update(rect.adjusted(-rad,-rad, +rad, +rad)); + update(rect.toRect().adjusted(-rad,-rad, +rad, +rad)); } break; } |