Qwt User's Guide 6.0.2

- Main Page
- Related Pages
- Classes

qwt_plot_marker.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_MARKER_H
11 #define QWT_PLOT_MARKER_H
12
13 #include <qpen.h>
14 #include <qfont.h>
15 #include <qstring.h>
16 #include <qbrush.h>
17 #include "qwt_global.h"
18 #include "qwt_plot_item.h"
19
20 class QRectF;
21 class QwtText;
22 class QwtSymbol;
23
44 class QWT_EXPORT QwtPlotMarker: public QwtPlotItem
45 {
46 public:
47
52 enum LineStyle
53 {
55 NoLine,
56
58 HLine,
59
61 VLine,
62
64 Cross
65 };
66
67 explicit QwtPlotMarker();
68 virtual ~QwtPlotMarker();
69
70 virtual int rtti() const;
71
72 double xValue() const;
73 double yValue() const;
74 QPointF value() const;
75
76 void setXValue( double );
77 void setYValue( double );
78 void setValue( double, double );
79 void setValue( const QPointF & );
80
81 void setLineStyle( LineStyle st );
82 LineStyle lineStyle() const;
83
84 void setLinePen( const QPen &p );
85 const QPen &linePen() const;
86
87 void setSymbol( const QwtSymbol * );
88 const QwtSymbol *symbol() const;
89
90 void setLabel( const QwtText& );
91 QwtText label() const;
92
93 void setLabelAlignment( Qt::Alignment );
94 Qt::Alignment labelAlignment() const;
95
96 void setLabelOrientation( Qt::Orientation );
97 Qt::Orientation labelOrientation() const;
98
99 void setSpacing( int );
100 int spacing() const;
101
102 virtual void draw( QPainter *p,
103 const QwtScaleMap &xMap, const QwtScaleMap &yMap,
104 const QRectF & ) const;
105
106 virtual QRectF boundingRect() const;
107
108 virtual void updateLegend( QwtLegend * ) const;
109 virtual void drawLegendIdentifier( QPainter *, const QRectF & ) const;
110
111 protected:
112 virtual void drawLines( QPainter *,
113 const QRectF &, const QPointF & ) const;
114
115 virtual void drawLabel( QPainter *,
116 const QRectF &, const QPointF & ) const;
117
118 private:
119
120 class PrivateData;
121 PrivateData *d_data;
122 };
123
124 #endif