/****************************************************************************+
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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 examples of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:BSD$+
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** You may use this file under the terms of the BSD license as follows:+
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**+
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** "Redistribution and use in source and binary forms, with or without+
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** modification, are permitted provided that the following conditions are+
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** met:+
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**   * Redistributions of source code must retain the above copyright+
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**     notice, this list of conditions and the following disclaimer.+
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**   * Redistributions in binary form must reproduce the above copyright+
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**     notice, this list of conditions and the following disclaimer in+
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**     the documentation and/or other materials provided with the+
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**     distribution.+
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**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor+
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**     the names of its contributors may be used to endorse or promote+
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**     products derived from this software without specific prior written+
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**     permission.+
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**+
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS+
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT+
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR+
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT+
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,+
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT+
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,+
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY+
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef IMAGEWIDGET_H+
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#define IMAGEWIDGET_H+
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+
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#include <QWidget>+
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#include <QImage>+
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#include <QtGui>+
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+
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QT_BEGIN_NAMESPACE+
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class QGestureEvent;+
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class QPanGesture;+
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class QPinchGesture;+
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class QSwipeGesture;+
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QT_END_NAMESPACE+
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+
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//! [class definition begin]+
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class ImageWidget : public QWidget+
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{+
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    Q_OBJECT+
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+
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public:+
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    ImageWidget(QWidget *parent = 0);+
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    void openDirectory(const QString &path);+
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+
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protected:+
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    bool event(QEvent *event);+
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    void paintEvent(QPaintEvent *event);+
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    void resizeEvent(QResizeEvent *event);+
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    void mouseDoubleClickEvent(QMouseEvent *event);+
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+
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private:+
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    bool gestureEvent(QGestureEvent *event);+
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    void panTriggered(QPanGesture*);+
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    void pinchTriggered(QPinchGesture*);+
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    void swipeTriggered(QSwipeGesture*);+
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//! [class definition begin]+
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+
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    void updateImage();+
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    QImage loadImage(const QString &fileName);+
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    void loadImage();+
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    void goNextImage();+
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    void goPrevImage();+
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    void goToImage(int index);+
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+
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    QString path;+
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    QStringList files;+
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    int position;+
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+
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    QImage prevImage, nextImage;+
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    QImage currentImage;+
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+
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    float horizontalOffset;+
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    float verticalOffset;+
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    float rotationAngle;+
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    float scaleFactor;+
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    float currentStepScaleFactor;+
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//! [class definition end]+
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};+
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//! [class definition end]+
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+
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#endif+
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