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+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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, Digia gives you certain additional
+** rights. These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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