{
painter.
setRenderHint(QPainter::Antialiasing,
true);
painter.
setPen(QPen(Qt
::black,
15, Qt
::SolidLine, Qt
::RoundCap,
Qt::MiterJoin));
painter.
setBrush(QBrush(Qt
::blue, Qt
::DiagCrossPattern));
painter.drawPie(80, 80, 400, 240, 60 * 16, 270 * 16);
}
void MyPainter::paintEvent(QPaintEvent *event)
{
QPainter painter(ui.label);
painter.setRenderHint(QPainter::Antialiasing, true);
painter.setPen(QPen(Qt::black, 15, Qt::SolidLine, Qt::RoundCap,
Qt::MiterJoin));
painter.setBrush(QBrush(Qt::blue, Qt::DiagCrossPattern));
painter.drawPie(80, 80, 400, 240, 60 * 16, 270 * 16);
}
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