Qwt User's Guide 5.2.3

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