[89] | 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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