/**************************************************************************** ** ** Copyright (C) 2008-2008 Trolltech ASA. All rights reserved. ** ** This file is part of the demonstration applications of the Qt Toolkit. ** ** This file may be used under the terms of the GNU General Public ** License versions 2.0 or 3.0 as published by the Free Software ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Alternatively you may (at ** your option) use any later version of the GNU General Public ** License if such license has been publicly approved by Trolltech ASA ** (or its successors, if any) and the KDE Free Qt Foundation. In ** addition, as a special exception, Trolltech gives you certain ** additional rights. These rights are described in the Trolltech GPL ** Exception version 1.2, which can be found at ** http://www.trolltech.com/products/qt/gplexception/ and in the file ** GPL_EXCEPTION.txt in this package. ** ** Please review the following information to ensure GNU General ** Public Licensing requirements will be met: ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If ** you are unsure which license is appropriate for your use, please ** review the following information: ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview ** or contact the sales department at sales@trolltech.com. ** ** In addition, as a special exception, Trolltech, as the sole ** copyright holder for Qt Designer, grants users of the Qt/Eclipse ** Integration plug-in the right for the Qt/Eclipse Integration to ** link to functionality provided by Qt Designer and its related ** libraries. ** ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly ** granted herein. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ****************************************************************************/ #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