Qwt User's Guide: qwt_plot_graphicitem.h Source File

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
QwtGraphic
A paint device for scalable graphics.
Definition: qwt_graphic.h:76
QwtPlotGraphicItem
A plot item, which displays a recorded sequence of QPainter commands.
Definition: qwt_plot_graphicitem.h:30
QwtPlotItem
Base class for items on the plot canvas.
Definition: qwt_plot_item.h:67
QwtPlotItem::draw
virtual void draw(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const =0
Draw the item.
QwtPlotItem::rtti
virtual int rtti() const
Definition: qwt_plot_item.cpp:136
QwtPlotItem::boundingRect
virtual QRectF boundingRect() const
Definition: qwt_plot_item.cpp:568
QwtScaleMap
A scale map.
Definition: qwt_scale_map.h:27
QwtText
A class representing a text.
Definition: qwt_text.h:52