Qwt User's Guide  6.2.0
qwt_plot_graphicitem.h
1 /******************************************************************************
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_GRAPHIC_ITEM_H
11 #define QWT_PLOT_GRAPHIC_ITEM_H
12 
13 #include "qwt_global.h"
14 #include "qwt_plot_item.h"
15 
16 #include <qstring.h>
17 
29 class QWT_EXPORT QwtPlotGraphicItem : public QwtPlotItem
30 {
31  public:
32  explicit QwtPlotGraphicItem( const QString& title = QString() );
33  explicit QwtPlotGraphicItem( const QwtText& title );
34 
35  virtual ~QwtPlotGraphicItem();
36 
37  void setGraphic( const QRectF& rect, const QwtGraphic& );
38  QwtGraphic graphic() const;
39 
40  virtual QRectF boundingRect() const QWT_OVERRIDE;
41 
42  virtual void draw( QPainter*,
43  const QwtScaleMap& xMap, const QwtScaleMap& yMap,
44  const QRectF& canvasRect ) const QWT_OVERRIDE;
45 
46  virtual int rtti() const QWT_OVERRIDE;
47 
48  private:
49  void init();
50 
51  class PrivateData;
52  PrivateData* m_data;
53 };
54 
55 #endif
A paint device for scalable graphics.
Definition: qwt_graphic.h:76
A plot item, which displays a recorded sequence of QPainter commands.
Base class for items on the plot canvas.
Definition: qwt_plot_item.h:67
virtual void draw(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const =0
Draw the item.
virtual int rtti() const
virtual QRectF boundingRect() const
A scale map.
Definition: qwt_scale_map.h:27
A class representing a text.
Definition: qwt_text.h:52