embeddedsvgviewer.h Example Filedemos/embedded/embeddedsvgviewer/embeddedsvgviewer.h/**************************************************************************** ** ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** 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 © 2008-2011 Nokia Corporation and/or its subsidiaries. Nokia, Qt and their respective logos are trademarks of Nokia Corporation in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. Privacy Policy Licensees holding valid Qt Commercial licenses may use this document in accordance with the Qt Commercial License Agreement provided with the Software or, alternatively, in accordance with the terms contained in a written agreement between you and Nokia. Alternatively, this document may be used under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. |