1 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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2 | * Qwt Widget Library
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3 | * Copyright (C) 1997 Josef Wilgen
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4 | * Copyright (C) 2002 Uwe Rathmann
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5 | *
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6 | * This library is free software; you can redistribute it and/or
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7 | * modify it under the terms of the Qwt License, Version 1.0
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8 | *****************************************************************************/
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9 |
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10 | #ifndef QWT_PLOT_SVGITEM_H
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11 | #define QWT_PLOT_SVGITEM_H
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12 |
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13 | #include <qglobal.h>
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14 |
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15 | #include <qstring.h>
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16 | #include "qwt_double_rect.h"
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17 | #include "qwt_plot_item.h"
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18 |
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19 | #if QT_VERSION >= 0x040100
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20 | class QSvgRenderer;
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21 | class QByteArray;
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22 | #endif
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23 |
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24 | /*!
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25 | \brief A plot item, which displays
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26 | data in Scalable Vector Graphics (SVG) format.
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27 |
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28 | SVG images are often used to display maps
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29 | */
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30 |
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31 | class QWT_EXPORT QwtPlotSvgItem: public QwtPlotItem
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32 | {
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33 | public:
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34 | explicit QwtPlotSvgItem(const QString& title = QString::null );
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35 | explicit QwtPlotSvgItem(const QwtText& title );
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36 | virtual ~QwtPlotSvgItem();
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37 |
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38 | bool loadFile(const QwtDoubleRect&, const QString &fileName);
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39 | bool loadData(const QwtDoubleRect&, const QByteArray &);
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40 |
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41 | virtual QwtDoubleRect boundingRect() const;
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42 |
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43 | virtual void draw(QPainter *p,
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44 | const QwtScaleMap &xMap, const QwtScaleMap &yMap,
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45 | const QRect &rect) const;
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46 |
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47 | virtual int rtti() const;
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48 |
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49 | protected:
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50 | #if QT_VERSION >= 0x040100
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51 | const QSvgRenderer &renderer() const;
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52 | QSvgRenderer &renderer();
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53 | #endif
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54 |
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55 | void render(QPainter *painter,
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56 | const QwtDoubleRect &viewBox, const QRect &rect) const;
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57 | QwtDoubleRect viewBox(const QwtDoubleRect &area) const;
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58 |
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59 | private:
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60 | void init();
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61 |
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62 | class PrivateData;
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63 | PrivateData *d_data;
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64 | };
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65 |
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66 | #endif
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