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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: http://www.qt-project.org/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef EMBEDDED_SVG_VIEWER_H
#define EMBEDDED_SVG_VIEWER_H
#include <QWidget>
#include <QString>
#include <QSvgRenderer>
#include <QSize>
#include <QMouseEvent>
#include <QSlider>
#include <QPushButton>
class EmbeddedSvgViewer : public QWidget
{
Q_OBJECT
public:
EmbeddedSvgViewer(const QString& filePath);
virtual void paintEvent(QPaintEvent *event);
void mouseMoveEvent ( QMouseEvent * event );
void mousePressEvent ( QMouseEvent * event );
void resizeEvent ( QResizeEvent * event );
public slots:
void setZoom(int); // 100 <= newZoom < 0
private:
QSvgRenderer* m_renderer;
QSlider* m_zoomSlider;
QPushButton* m_quitButton;
QSize m_imageSize;
qreal m_zoomLevel;
qreal m_imageScale; // How many Image coords 1 widget pixel is worth
QRectF m_viewBox;
QRectF m_viewBoxBounds;
QSizeF m_viewBoxSize;
QPointF m_viewBoxCenter;
QPointF m_viewBoxCenterOnMousePress;
QPoint m_mousePress;
void updateImageScale();
QRectF getViewBox(QPointF viewBoxCenter);
};
#endif
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