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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "renderarea.h"
+
+//! [0]
+RenderArea::RenderArea(const QPainterPath &path, QWidget *parent)
+ : QWidget(parent), path(path)
+{
+ penWidth = 1;
+ rotationAngle = 0;
+ setBackgroundRole(QPalette::Base);
+}
+//! [0]
+
+//! [1]
+QSize RenderArea::minimumSizeHint() const
+{
+ return QSize(50, 50);
+}
+//! [1]
+
+//! [2]
+QSize RenderArea::sizeHint() const
+{
+ return QSize(100, 100);
+}
+//! [2]
+
+//! [3]
+void RenderArea::setFillRule(Qt::FillRule rule)
+{
+ path.setFillRule(rule);
+ update();
+}
+//! [3]
+
+//! [4]
+void RenderArea::setFillGradient(const QColor &color1, const QColor &color2)
+{
+ fillColor1 = color1;
+ fillColor2 = color2;
+ update();
+}
+//! [4]
+
+//! [5]
+void RenderArea::setPenWidth(int width)
+{
+ penWidth = width;
+ update();
+}
+//! [5]
+
+//! [6]
+void RenderArea::setPenColor(const QColor &color)
+{
+ penColor = color;
+ update();
+}
+//! [6]
+
+//! [7]
+void RenderArea::setRotationAngle(int degrees)
+{
+ rotationAngle = degrees;
+ update();
+}
+//! [7]
+
+//! [8]
+void RenderArea::paintEvent(QPaintEvent *)
+{
+ QPainter painter(this);
+ painter.setRenderHint(QPainter::Antialiasing);
+//! [8] //! [9]
+ painter.scale(width() / 100.0, height() / 100.0);
+ painter.translate(50.0, 50.0);
+ painter.rotate(-rotationAngle);
+ painter.translate(-50.0, -50.0);
+
+//! [9] //! [10]
+ painter.setPen(QPen(penColor, penWidth, Qt::SolidLine, Qt::RoundCap,
+ Qt::RoundJoin));
+ QLinearGradient gradient(0, 0, 0, 100);
+ gradient.setColorAt(0.0, fillColor1);
+ gradient.setColorAt(1.0, fillColor2);
+ painter.setBrush(gradient);
+ painter.drawPath(path);
+}
+//! [10]