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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+QLinearGradient gradient(0, 0, 100, 100);
+gradient.setColorAt(0, Qt::red);
+gradient.setColorAt(0.5, Qt::green);
+gradient.setColorAt(1, Qt::blue);
+painter.setBrush(gradient);
+painter.drawRect(0, 0, 100, 100);
+//! [0]
+
+
+//! [1]
+QRadialGradient gradient(50, 50, 50, 30, 30);
+gradient.setColorAt(0.2, Qt::white);
+gradient.setColorAt(0.8, Qt::green);
+gradient.setColorAt(1, Qt::black);
+painter.setBrush(gradient);
+painter.drawEllipse(0, 0, 100, 100);
+//! [1]
+
+
+//! [2]
+QConicalGradient gradient(60, 40, 0);
+gradient.setColorAt(0, Qt::black);
+gradient.setColorAt(0.4, Qt::green);
+gradient.setColorAt(0.6, Qt::white);
+gradient.setColorAt(1, Qt::black);
+painter.setBrush(gradient);
+painter.drawEllipse(0, 0, 100, 100);
+//! [2]
+
+
+//! [3]
+// Specfiy semi-transparent red
+painter.setBrush(QColor(255, 0, 0, 127));
+painter.drawRect(0, 0, width()/2, height());
+
+// Specify semi-transparend blue
+painter.setBrush(QColor(0, 0, 255, 127));
+painter.drawRect(0, 0, width(), height()/2);
+//! [3]
+
+
+//! [4]
+// One line without anti-aliasing
+painter.drawLine(0, 0, width()/2, height());
+
+// One line with anti-aliasing
+painter.setRenderHint(QPainter::Antialiasing);
+painter.drawLine(width()/2, 0, width()/2, height());
+//! [4]
+
+
+//! [5]
+QPainterPath path;
+path.addRect(20, 20, 60, 60);
+path.addBezier(0, 0, 99, 0, 50, 50, 99, 99);
+path.addBezier(99, 99, 0, 99, 50, 50, 0, 0);
+painter.drawPath(path);
+//! [5]
+
+
+//! [6]
+QPixmap buffer(size());
+QPainter painter(&buffer);
+
+// Paint code here
+
+painter.end();
+bitBlt(this, 0, 0, &buffer);
+//! [6]
+
+
+//! [7]
+QPainter painter(this);
+
+// Paint code here
+
+painter.end();
+//! [7]
+
+
+//! [8]
+unbufferedWidget->setAttribute(Qt::WA_PaintOnScreen);
+//! [8]
+
+
+//! [9]
+QLinearGradient gradient(0, 0, 100, 100);
+gradient.setColorAt(0, Qt::blue);
+gradient.setColorAt(1, Qt::red);
+painter.setPen(QPen(gradient, 0));
+for (int y=fontSize; y<100; y+=fontSize)
+ drawText(0, y, text);
+//! [9]
+
+
+//! [10]
+QImage image(100, 100, 32);
+QPainter painter(&image);
+
+// painter commands.
+
+painter.end();
+//! [10]