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| |
| #include <QtGui> |
| |
| int main() |
| { |
| QWidget anyPaintDevice; |
| { |
| // PEN SNIPPET |
| QPainter painter; |
| QPen pen(Qt::red, 2); // red solid line, 2 pixels wide |
| painter.begin(&anyPaintDevice); // paint something |
| painter.setPen(pen); // set the red, wide pen |
| painter.drawRect(40,30, 200,100); // draw a rectangle |
| painter.setPen(Qt::blue); // set blue pen, 0 pixel width |
| painter.drawLine(40,30, 240,130); // draw a diagonal in rectangle |
| painter.end(); // painting done |
| } |
| |
| { |
| // BRUSH SNIPPET |
| QPainter painter; |
| QBrush brush(Qt::yellow); // yellow solid pattern |
| painter.begin(&anyPaintDevice); // paint something |
| painter.setBrush(brush); // set the yellow brush |
| painter.setPen(Qt::NoPen); // do not draw outline |
| painter.drawRect(40,30, 200,100); // draw filled rectangle |
| painter.setBrush(Qt::NoBrush); // do not fill |
| painter.setPen(Qt::black); // set black pen, 0 pixel width |
| painter.drawRect(10,10, 30,20); // draw rectangle outline |
| painter.end(); // painting done |
| } |
| |
| // LINEAR |
| //! [0] |
| QLinearGradient linearGrad(QPointF(100, 100), QPointF(200, 200)); |
| linearGrad.setColorAt(0, Qt::black); |
| linearGrad.setColorAt(1, Qt::white); |
| //! [0] |
| |
| // RADIAL |
| //! [1] |
| QRadialGradient radialGrad(QPointF(100, 100), 100); |
| radialGrad.setColorAt(0, Qt::red); |
| radialGrad.setColorAt(0.5, Qt::blue); |
| radialGrad.setColorAt(1, Qt::green); |
| //! [1] |
| } |