QPainter

最新推荐文章于 2021-01-08 05:27:07 发布

Pejay23

最新推荐文章于 2021-01-08 05:27:07 发布

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分类专栏： Qt

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	QPainter painter(this);
    QPen pen(QColor(255,0,0));
    pen.setWidth(5);
    pen.setStyle(Qt::DotLine); //笔风格 

    painter.setPen(pen);
    QBrush brush(Qt::cyan);
    painter.setBrush(brush);
    //画线
    painter.drawLine(QPoint(0,0),QPoint(50,50));
    //圆形
    painter.drawEllipse(QPoint(100,100),50,50);
    //画矩形
    painter.drawRect(QRect(20,20,100,100));
    //画
    painter.setRenderHint(QPainter::Antialiasing);
    //圆角矩形
    painter.drawRoundRect(20,20,210,160,50,50);
    //圆弧
    painter.drawArc(20,20,210,160,500,1000);