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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, 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 The Qt Company Ltd 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."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef IMAGEVIEWER_H
-#define IMAGEVIEWER_H
-
-#include <QMainWindow>
-#include <QImage>
-#if defined(QT_PRINTSUPPORT_LIB)
-# include <QtPrintSupport/qtprintsupportglobal.h>
-
-# if QT_CONFIG(printer)
-# include <QPrinter>
-# endif
-#endif
-
-QT_BEGIN_NAMESPACE
-class QAction;
-class QLabel;
-class QMenu;
-class QScrollArea;
-class QScrollBar;
-QT_END_NAMESPACE
-
-//! [0]
-class ImageViewer : public QMainWindow
-{
- Q_OBJECT
-
-public:
- ImageViewer(QWidget *parent = nullptr);
- bool loadFile(const QString &);
-
-private slots:
- void open();
- void saveAs();
- void print();
- void copy();
- void paste();
- void zoomIn();
- void zoomOut();
- void normalSize();
- void fitToWindow();
- void about();
-
-private:
- void createActions();
- void createMenus();
- void updateActions();
- bool saveFile(const QString &fileName);
- void setImage(const QImage &newImage);
- void scaleImage(double factor);
- void adjustScrollBar(QScrollBar *scrollBar, double factor);
-
- QImage image;
- QLabel *imageLabel;
- QScrollArea *scrollArea;
- double scaleFactor = 1;
-
-#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printer)
- QPrinter printer;
-#endif
-
- QAction *saveAsAct;
- QAction *printAct;
- QAction *copyAct;
- QAction *zoomInAct;
- QAction *zoomOutAct;
- QAction *normalSizeAct;
- QAction *fitToWindowAct;
-};
-//! [0]
-
-#endif