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40
41 #include <QtGui>
42
main()43 int main()
44 {
45 QWidget anyPaintDevice;
46 {
47 // PEN SNIPPET
48 QPainter painter;
49 QPen pen(Qt::red, 2); // red solid line, 2 pixels wide
50 painter.begin(&anyPaintDevice); // paint something
51 painter.setPen(pen); // set the red, wide pen
52 painter.drawRect(40,30, 200,100); // draw a rectangle
53 painter.setPen(Qt::blue); // set blue pen, 0 pixel width
54 painter.drawLine(40,30, 240,130); // draw a diagonal in rectangle
55 painter.end(); // painting done
56 }
57
58 {
59 // BRUSH SNIPPET
60 QPainter painter;
61 QBrush brush(Qt::yellow); // yellow solid pattern
62 painter.begin(&anyPaintDevice); // paint something
63 painter.setBrush(brush); // set the yellow brush
64 painter.setPen(Qt::NoPen); // do not draw outline
65 painter.drawRect(40,30, 200,100); // draw filled rectangle
66 painter.setBrush(Qt::NoBrush); // do not fill
67 painter.setPen(Qt::black); // set black pen, 0 pixel width
68 painter.drawRect(10,10, 30,20); // draw rectangle outline
69 painter.end(); // painting done
70 }
71
72 // LINEAR
73 //! [0]
74 QLinearGradient linearGrad(QPointF(100, 100), QPointF(200, 200));
75 linearGrad.setColorAt(0, Qt::black);
76 linearGrad.setColorAt(1, Qt::white);
77 //! [0]
78
79 // RADIAL
80 //! [1]
81 QRadialGradient radialGrad(QPointF(100, 100), 100);
82 radialGrad.setColorAt(0, Qt::red);
83 radialGrad.setColorAt(0.5, Qt::blue);
84 radialGrad.setColorAt(1, Qt::green);
85 //! [1]
86 }
87