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     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

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     7 ** This file is part of the documentation of the Qt Toolkit.

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     9 ** $QT_BEGIN_LICENSE:LGPL$

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    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #include <QtGui>

    43 

    44 int main()

    45 {

    46     QWidget anyPaintDevice;

    47     {

    48         // PEN SNIPPET

    49         QPainter painter;

    50         QPen pen(Qt::red, 2);                 // red solid line, 2 pixels wide

    51         painter.begin(&anyPaintDevice);   // paint something

    52         painter.setPen(pen);              // set the red, wide pen

    53         painter.drawRect(40,30, 200,100); // draw a rectangle

    54         painter.setPen(Qt::blue);             // set blue pen, 0 pixel width

    55         painter.drawLine(40,30, 240,130); // draw a diagonal in rectangle

    56         painter.end();                    // painting done

    57     }

    58 

    59     {

    60         // BRUSH SNIPPET

    61         QPainter painter;

    62         QBrush brush(Qt::yellow);           // yellow solid pattern

    63         painter.begin(&anyPaintDevice);   // paint something

    64         painter.setBrush(brush);          // set the yellow brush

    65         painter.setPen(Qt::NoPen);        // do not draw outline

    66         painter.drawRect(40,30, 200,100); // draw filled rectangle

    67         painter.setBrush(Qt::NoBrush);    // do not fill

    68         painter.setPen(Qt::black);            // set black pen, 0 pixel width

    69         painter.drawRect(10,10, 30,20);   // draw rectangle outline

    70         painter.end();                    // painting done

    71     }

    72 

    73     // LINEAR

    74 //! [0]

    75     QLinearGradient linearGrad(QPointF(100, 100), QPointF(200, 200));

    76     linearGrad.setColorAt(0, Qt::black);

    77     linearGrad.setColorAt(1, Qt::white);

    78 //! [0]

    79 

    80     // RADIAL

    81 //! [1]

    82     QRadialGradient radialGrad(QPointF(100, 100), 100);

    83     radialGrad.setColorAt(0, Qt::red);

    84     radialGrad.setColorAt(0.5, Qt::blue);

    85     radialGrad.setColorAt(1, Qt::green);

    86 //! [1]

    87 }