/**************************************************************************** ** ** Copyright (C) 2013 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 #include #include #include #include #include #include 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