graphicsview_snippet.cpp

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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
#include <QGraphicsView>
 
//! [2]
class View : public QGraphicsView
{
Q_OBJECT
    //...
public slots:
    void zoomIn() { scale(1.2, 1.2); }
    void zoomOut() { scale(1 / 1.2, 1 / 1.2); }
    void rotateLeft() { rotate(-10); }
    void rotateRight() { rotate(10); }
    //...
};
//! [2]