Qwt User's Guide 6.1.0

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qwt_plot_intervalcurve.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_INTERVAL_CURVE_H
11 #define QWT_PLOT_INTERVAL_CURVE_H
12
13 #include "qwt_global.h"
14 #include "qwt_plot_seriesitem.h"
15 #include "qwt_series_data.h"
16
17 class QwtIntervalSymbol;
18
27 class QWT_EXPORT QwtPlotIntervalCurve:
28 public QwtPlotSeriesItem, public QwtSeriesStore<QwtIntervalSample>
29 {
30 public:
37 enum CurveStyle
38 {
42 NoCurve,
43
49 Tube,
50
56 UserCurve = 100
57 };
58
63 enum PaintAttribute
64 {
70 ClipPolygons = 0x01,
71
73 ClipSymbol = 0x02
74 };
75
77 typedef QFlags<PaintAttribute> PaintAttributes;
78
79 explicit QwtPlotIntervalCurve( const QString &title = QString::null );
80 explicit QwtPlotIntervalCurve( const QwtText &title );
81
82 virtual ~QwtPlotIntervalCurve();
83
84 virtual int rtti() const;
85
86 void setPaintAttribute( PaintAttribute, bool on = true );
87 bool testPaintAttribute( PaintAttribute ) const;
88
89 void setSamples( const QVector<QwtIntervalSample> & );
90 void setSamples( QwtSeriesData<QwtIntervalSample> * );
91
92 void setPen( const QColor &, qreal width = 0.0, Qt::PenStyle = Qt::SolidLine );
93 void setPen( const QPen & );
94 const QPen &pen() const;
95
96 void setBrush( const QBrush & );
97 const QBrush &brush() const;
98
99 void setStyle( CurveStyle style );
100 CurveStyle style() const;
101
102 void setSymbol( const QwtIntervalSymbol * );
103 const QwtIntervalSymbol *symbol() const;
104
105 virtual void drawSeries( QPainter *p,
106 const QwtScaleMap &xMap, const QwtScaleMap &yMap,
107 const QRectF &canvasRect, int from, int to ) const;
108
109 virtual QRectF boundingRect() const;
110
111 virtual QwtGraphic legendIcon( int index, const QSizeF & ) const;
112
113 protected:
114
115 void init();
116
117 virtual void drawTube( QPainter *,
118 const QwtScaleMap &xMap, const QwtScaleMap &yMap,
119 const QRectF &canvasRect, int from, int to ) const;
120
121 virtual void drawSymbols( QPainter *, const QwtIntervalSymbol &,
122 const QwtScaleMap &xMap, const QwtScaleMap &yMap,
123 const QRectF &canvasRect, int from, int to ) const;
124
125 private:
126 class PrivateData;
127 PrivateData *d_data;
128 };
129
130 Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPlotIntervalCurve::PaintAttributes )
131
132 #endif