QPainterPath CurveGraphicsItem::obtainCurvePath() const {
if (useMidPoint_) {
return obtainCurvePath(getStartPoint(), getMidPoint()) +
obtainCurvePath(getMidPoint(), getEndPoint());
} else {
return obtainCurvePath(getStartPoint(), getEndPoint());
}
}
void LinkConnectionGraphicsItem::updateShape() {
QPointF inRight = inLink_->getRightPos();
QPointF inLeft = inLink_->getLeftPos();
QPointF outRight = outLink_->getRightPos();
QPointF outLeft = outLink_->getLeftPos();
QPointF start;
QPointF stop;
if (outLeft.x() < inRight.x()) {
start = outLeft;
stop = inRight;
} else if (outRight.x() > inLeft.x()) {
start = outRight;
stop = inLeft;
} else {
start = outLeft;
stop = inLeft;
}
QPointF topLeft = QPointF(std::min(start.x(), stop.x()), std::min(start.y(), stop.y()));
QPointF bottomRight = QPointF(std::max(start.x(), stop.x()), std::max(start.y(), stop.y()));
rect_ = QRectF(topLeft.x() - 30, topLeft.y() - 10, bottomRight.x() - topLeft.x() + 70,
bottomRight.y() - topLeft.y() + 20);
path_ = obtainCurvePath();
prepareGeometryChange();
}
void CurveGraphicsItem::updateShape() {
path_ = obtainCurvePath();
QRectF p = path_.boundingRect();
rect_ = QRectF(p.topLeft() - QPointF(5, 5), p.size() + QSizeF(10, 10));
prepareGeometryChange();
}
void LinkGraphicsItem::updateShape() {
prepareGeometryChange();
QPointF topLeft =
QPointF(std::min(startPoint_.x(), endPoint_.x()), std::min(startPoint_.y(), endPoint_.y()));
rect_ = QRectF(topLeft.x() - 40.0, topLeft.y() - 10.0,
std::abs(startPoint_.x() - endPoint_.x()) + 80.0,
std::abs(startPoint_.y() - endPoint_.y()) + 20.0);
path_ = obtainCurvePath();
}