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#include<QApplication>
#include<QPaintDevice>
#include<QPainter>
#include<QPixmap>
#include<QWidget>
#include<QtGui>
#include<QWidget>
int main(int argc,char *argv[])
{
QApplication app(argc,argv);
//QWidget *wid=new QWidget();
//QPixmap *pm=new QPixmap(200,100);
QWidget *pm=new QWidget();
QPainter painter(pm);
painter.setRenderHint(QPainter::Antialiasing);
painter.setPen(QPen(Qt::black,12,Qt::DashDotLine,Qt::RoundCap));
painter.setBrush(Qt::green);
painter.drawEllipse(80,80,400,240);
pm->show();
return app.exec();
}