1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the examples of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:BSD$ 9 ** You may use this file under the terms of the BSD license as follows: 10 ** 11 ** "Redistribution and use in source and binary forms, with or without 12 ** modification, are permitted provided that the following conditions are 13 ** met: 14 ** * Redistributions of source code must retain the above copyright 15 ** notice, this list of conditions and the following disclaimer. 16 ** * Redistributions in binary form must reproduce the above copyright 17 ** notice, this list of conditions and the following disclaimer in 18 ** the documentation and/or other materials provided with the 19 ** distribution. 20 ** * Neither the name of The Qt Company Ltd nor the names of its 21 ** contributors may be used to endorse or promote products derived 22 ** from this software without specific prior written permission. 23 ** 24 ** 25 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 26 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 27 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 28 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 29 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 30 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 31 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 35 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." 36 ** 37 ** $QT_END_LICENSE$ 38 ** 39 ****************************************************************************/ 40 41 #ifndef SVGVIEW_H 42 #define SVGVIEW_H 43 44 #include <QGraphicsView> 45 46 QT_BEGIN_NAMESPACE 47 class QWheelEvent; 48 class QPaintEvent; 49 class QFile; 50 QT_END_NAMESPACE 51 52 class SvgView : public QGraphicsView 53 { 54 Q_OBJECT 55 56 public: 57 enum RendererType { Native, OpenGL, Image }; 58 59 SvgView(QWidget *parent = 0); 60 61 void openFile(const QFile &file); 62 void setRenderer(RendererType type = Native); 63 void drawBackground(QPainter *p, const QRectF &rect); 64 65 public slots: 66 void setHighQualityAntialiasing(bool highQualityAntialiasing); 67 void setViewBackground(bool enable); 68 void setViewOutline(bool enable); 69 70 protected: 71 void wheelEvent(QWheelEvent *event); 72 void paintEvent(QPaintEvent *event); 73 74 private: 75 RendererType m_renderer; 76 77 QGraphicsItem *m_svgItem; 78 QGraphicsRectItem *m_backgroundItem; 79 QGraphicsRectItem *m_outlineItem; 80 81 QImage m_image; 82 }; 83 #endif // SVGVIEW_H 84