Qwt User's Guide 6.3.0
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qwt_interval_symbol.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_INTERVAL_SYMBOL_H
11#define QWT_INTERVAL_SYMBOL_H
12
13#include "qwt_global.h"
14#include <qnamespace.h>
15
16class QPainter;
17class QPen;
18class QBrush;
19class QPointF;
20class QColor;
21
27class QWT_EXPORT QwtIntervalSymbol
28{
29 public:
31 enum Style
32 {
34 NoSymbol = -1,
35
41
48
54 UserSymbol = 1000
55 };
56
57 public:
58 explicit QwtIntervalSymbol( Style = NoSymbol );
60
61 virtual ~QwtIntervalSymbol();
62
63 QwtIntervalSymbol& operator=( const QwtIntervalSymbol& );
64 bool operator==( const QwtIntervalSymbol& ) const;
65 bool operator!=( const QwtIntervalSymbol& ) const;
66
67 void setWidth( int );
68 int width() const;
69
70 void setBrush( const QBrush& );
71 const QBrush& brush() const;
72
73 void setPen( const QColor&, qreal width = 0.0, Qt::PenStyle = Qt::SolidLine );
74 void setPen( const QPen& );
75 const QPen& pen() const;
76
77 void setStyle( Style );
78 Style style() const;
79
80 virtual void draw( QPainter*, Qt::Orientation,
81 const QPointF& from, const QPointF& to ) const;
82
83 private:
84 class PrivateData;
85 PrivateData* m_data;
86};
87
88#endif
A drawing primitive for displaying an interval like an error bar.