void PSV_CircularIndicatorItem::drawCoverBall(int zValue)
{
qreal ballRadius=m_outerRadius * m_coverBallRadiusRatio;
QRadialGradient ballGradient(m_rect.center(), ballRadius, m_rect.center());
ballGradient.setColorAt(0.0, QColor(140, 140, 140));
ballGradient.setColorAt(0.7, QColor(140, 140, 140));
ballGradient.setColorAt(1.0, QColor(60, 60, 60));
//==================
QRectF rect(m_rect.center().x()-ballRadius, m_rect.center().y()-ballRadius, ballRadius*2, ballRadius*2);
QGraphicsEllipseItem* item = new QGraphicsEllipseItem(rect, this);
item->setPen(QPen(Qt::NoPen));
item->setBrush(ballGradient);
item->setZValue(zValue);
}
void myGauge2::drawCoverBall(QPainter *painter)
{
painter->save();
qreal ballRadius=m_outerRadius/7;
m_coverBallRadius=ballRadius;
QRadialGradient ballGradient(m_center,ballRadius,m_center);
ballGradient.setColorAt(0.0,QColor(140,140,140));
ballGradient.setColorAt(0.7,QColor(140,140,140));
ballGradient.setColorAt(1.0,QColor(60,60,60));
painter->setBrush(ballGradient);
painter->setPen(Qt::NoPen);
painter->drawEllipse(m_center,ballRadius,ballRadius);
painter->restore();
}