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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Copyright (c) 2010 Denis Mingulov.
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
** This file is part of Qt Creator.
**
** $QT_BEGIN_LICENSE:BSD$
** 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."
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef IMAGEVIEW_H
#define IMAGEVIEW_H
#include <QtGui/QGraphicsView>
#include <QtCore/QScopedPointer>
QT_BEGIN_NAMESPACE
class QWheelEvent;
QT_END_NAMESPACE
namespace ImageViewer {
namespace Internal {
class ImageView : public QGraphicsView
{
Q_OBJECT
public:
ImageView(QWidget *parent = 0);
~ImageView();
bool openFile(QString fileName);
signals:
void scaleFactorChanged(qreal factor);
public slots:
void setViewBackground(bool enable);
void setViewOutline(bool enable);
void zoomIn();
void zoomOut();
void resetToOriginalSize();
void fitToScreen();
private slots:
void emitScaleFactor();
void doScale(qreal factor);
protected:
void drawBackground(QPainter *p, const QRectF &rect);
void wheelEvent(QWheelEvent *event);
private:
QScopedPointer<struct ImageViewPrivate> d_ptr;
};
} // namespace Internal
} // namespace ImageViewer
#endif // IMAGEVIEW_H
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