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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtWidgets>
+
+#include "coloritem.h"
+#include "robot.h"
+
+#include <math.h>
+
+class GraphicsView : public QGraphicsView
+{
+public:
+ GraphicsView(QGraphicsScene *scene) : QGraphicsView(scene)
+ {
+ }
+
+protected:
+ virtual void resizeEvent(QResizeEvent *)
+ {
+ }
+};
+
+//! [0]
+int main(int argc, char **argv)
+{
+ QApplication app(argc, argv);
+
+ qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
+//! [0]
+//! [1]
+ QGraphicsScene scene(-200, -200, 400, 400);
+
+ for (int i = 0; i < 10; ++i) {
+ ColorItem *item = new ColorItem;
+ item->setPos(::sin((i * 6.28) / 10.0) * 150,
+ ::cos((i * 6.28) / 10.0) * 150);
+
+ scene.addItem(item);
+ }
+
+ Robot *robot = new Robot;
+ robot->setTransform(QTransform::fromScale(1.2, 1.2), true);
+ robot->setPos(0, -20);
+ scene.addItem(robot);
+//! [1]
+//! [2]
+ GraphicsView view(&scene);
+ view.setRenderHint(QPainter::Antialiasing);
+ view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
+ view.setBackgroundBrush(QColor(230, 200, 167));
+ view.setWindowTitle("Drag and Drop Robot");
+ view.show();
+
+ return app.exec();
+}
+//! [2]