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50
51 #include <QtGui>
52
main()53 int main()
54 {
55 QWidget anyPaintDevice;
56 {
57 // PEN SNIPPET
58 QPainter painter;
59 QPen pen(Qt::red, 2); // red solid line, 2 pixels wide
60 painter.begin(&anyPaintDevice); // paint something
61 painter.setPen(pen); // set the red, wide pen
62 painter.drawRect(40,30, 200,100); // draw a rectangle
63 painter.setPen(Qt::blue); // set blue pen, 0 pixel width
64 painter.drawLine(40,30, 240,130); // draw a diagonal in rectangle
65 painter.end(); // painting done
66 }
67
68 {
69 // BRUSH SNIPPET
70 QPainter painter;
71 QBrush brush(Qt::yellow); // yellow solid pattern
72 painter.begin(&anyPaintDevice); // paint something
73 painter.setBrush(brush); // set the yellow brush
74 painter.setPen(Qt::NoPen); // do not draw outline
75 painter.drawRect(40,30, 200,100); // draw filled rectangle
76 painter.setBrush(Qt::NoBrush); // do not fill
77 painter.setPen(Qt::black); // set black pen, 0 pixel width
78 painter.drawRect(10,10, 30,20); // draw rectangle outline
79 painter.end(); // painting done
80 }
81
82 // LINEAR
83 //! [0]
84 QLinearGradient linearGrad(QPointF(100, 100), QPointF(200, 200));
85 linearGrad.setColorAt(0, Qt::black);
86 linearGrad.setColorAt(1, Qt::white);
87 //! [0]
88
89 // RADIAL
90 //! [1]
91 QRadialGradient radialGrad(QPointF(100, 100), 100);
92 radialGrad.setColorAt(0, Qt::red);
93 radialGrad.setColorAt(0.5, Qt::blue);
94 radialGrad.setColorAt(1, Qt::green);
95 //! [1]
96 }
97