47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
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class OxygenWidget : public QWidget
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{
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protected:
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virtual void paintEvent ( QPaintEvent * event );
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};
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void OxygenWidget::paintEvent ( QPaintEvent * )
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{
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QPainter painter(this);
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QRadialGradient grad1(QPointF(5.0, 5.0),5.0);
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grad1.setColorAt(0.9, QColor(0,0,0,100));
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grad1.setColorAt(1.0, QColor(0,0,0,0));
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QRadialGradient grad2(QPointF(5.0, 5.0),5.0);
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grad2.setColorAt(0.0, QColor(235,235,235));
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grad2.setColorAt(1.0, QColor(220,220,220));
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QRadialGradient grad3(QPointF(5.0, 3.75), 3.5,QPointF(5.0, 2.5));
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grad3.setColorAt(0, QColor(255,255,255,50));
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grad3.setColorAt(1, QColor(255,255,255,0));
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QRadialGradient grad4(QPointF(5.0, 3.3), 3.5, QPointF(5.0, 2.1));
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grad4.setColorAt(0, QColor(255,255,255,50));
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grad4.setColorAt(1, QColor(255,255,255,0));
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QBrush brush1(grad1);
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QBrush brush2(grad2);
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QBrush brush3(grad3);
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QBrush brush4(grad4);
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painter.scale(1.6, 1.6);
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painter.setRenderHint(QPainter::Antialiasing,true);
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QPainterPath path1;
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path1.addEllipse(0.0, 0.0, 10.0, 10.0);
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painter.fillPath(path1, brush1);
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QPainterPath path2;
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path2.addEllipse(0.5, 0.5, 9.0, 9.0);
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painter.fillPath(path2, brush2);
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QPainterPath path3;
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path3.addEllipse(1.5, 0.5, 7.0, 6.0);
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painter.fillPath(path3, brush3);
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QPainterPath path4;
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path4.addEllipse(1.5, 0.5, 7.0, 6.0);
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painter.fillPath(path4, brush4);
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}
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