Qwt User's Guide  6.1.3
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 "qwt_global.h"
14 #include "qwt_plot_item.h"
15 #include <qstring.h>
16 
17 class QSvgRenderer;
18 class QByteArray;
19 
27 class QWT_EXPORT QwtPlotSvgItem: public QwtPlotItem
28 {
29 public:
30  explicit QwtPlotSvgItem( const QString& title = QString::null );
31  explicit QwtPlotSvgItem( const QwtText& title );
32  virtual ~QwtPlotSvgItem();
33 
34  bool loadFile( const QRectF&, const QString &fileName );
35  bool loadData( const QRectF&, const QByteArray & );
36 
37  virtual QRectF boundingRect() const;
38 
39  virtual void draw( QPainter *p,
40  const QwtScaleMap &xMap, const QwtScaleMap &yMap,
41  const QRectF &rect ) const;
42 
43  virtual int rtti() const;
44 
45 protected:
46  const QSvgRenderer &renderer() const;
47  QSvgRenderer &renderer();
48 
49  void render( QPainter *painter,
50  const QRectF &viewBox, const QRectF &rect ) const;
51 
52  QRectF viewBox( const QRectF &area ) const;
53 
54 private:
55  void init();
56 
57  class PrivateData;
58  PrivateData *d_data;
59 };
60 
61 #endif
A plot item, which displays data in Scalable Vector Graphics (SVG) format.
Definition: qwt_plot_svgitem.h:27
Base class for items on the plot canvas.
Definition: qwt_plot_item.h:64
A class representing a text.
Definition: qwt_text.h:51
A scale map.
Definition: qwt_scale_map.h:30
virtual void draw(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const =0
Draw the item.
virtual int rtti() const
Definition: qwt_plot_item.cpp:120
virtual QRectF boundingRect() const
Definition: qwt_plot_item.cpp:537