/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the documentation of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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//! [0]+
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QLinearGradient gradient(0, 0, 100, 100);+
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gradient.setColorAt(0, Qt::red);+
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gradient.setColorAt(0.5, Qt::green);+
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gradient.setColorAt(1, Qt::blue);+
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painter.setBrush(gradient);+
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painter.drawRect(0, 0, 100, 100);+
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//! [0]+
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+
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+
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//! [1]+
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QRadialGradient gradient(50, 50, 50, 30, 30);+
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gradient.setColorAt(0.2, Qt::white);+
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gradient.setColorAt(0.8, Qt::green);+
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gradient.setColorAt(1, Qt::black);+
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painter.setBrush(gradient);+
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painter.drawEllipse(0, 0, 100, 100);+
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//! [1]+
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+
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+
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//! [2]+
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QConicalGradient gradient(60, 40, 0);+
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gradient.setColorAt(0, Qt::black);+
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gradient.setColorAt(0.4, Qt::green);+
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gradient.setColorAt(0.6, Qt::white);+
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gradient.setColorAt(1, Qt::black);+
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painter.setBrush(gradient);+
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painter.drawEllipse(0, 0, 100, 100);+
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//! [2]+
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+
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+
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//! [3]+
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// Specfiy semi-transparent red+
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painter.setBrush(QColor(255, 0, 0, 127));+
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painter.drawRect(0, 0, width()/2, height());+
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+
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// Specify semi-transparend blue+
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painter.setBrush(QColor(0, 0, 255, 127));+
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painter.drawRect(0, 0, width(), height()/2);+
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//! [3]+
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+
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+
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//! [4]+
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// One line without anti-aliasing+
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painter.drawLine(0, 0, width()/2, height());+
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+
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// One line with anti-aliasing+
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painter.setRenderHint(QPainter::Antialiasing);+
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painter.drawLine(width()/2, 0, width()/2, height());+
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//! [4]+
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+
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+
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//! [5]+
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QPainterPath path;+
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path.addRect(20, 20, 60, 60);+
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path.addBezier(0, 0,  99, 0,  50, 50,  99, 99);+
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path.addBezier(99, 99,  0, 99,  50, 50,  0, 0);+
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painter.drawPath(path);+
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//! [5]+
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+
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+
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//! [6]+
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QPixmap buffer(size());+
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QPainter painter(&buffer);+
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+
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// Paint code here+
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+
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painter.end();+
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bitBlt(this, 0, 0, &buffer);+
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//! [6]+
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+
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+
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//! [7]+
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QPainter painter(this);+
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+
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// Paint code here+
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+
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painter.end();+
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//! [7]+
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+
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+
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//! [8]+
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unbufferedWidget->setAttribute(Qt::WA_PaintOnScreen);+
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//! [8]+
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+
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+
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//! [9]+
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QLinearGradient gradient(0, 0, 100, 100);+
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gradient.setColorAt(0, Qt::blue);+
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gradient.setColorAt(1, Qt::red);+
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painter.setPen(QPen(gradient, 0));+
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for (int y=fontSize; y<100; y+=fontSize)+
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    drawText(0, y, text);+
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//! [9]+
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+
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+
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//! [10]+
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QImage image(100, 100, 32);+
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QPainter painter(&image);+
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+
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// painter commands.+
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+
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painter.end();+
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//! [10]+
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