Qwt User's Guide 6.0.2

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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
28 class QWT_EXPORT QwtPlotIntervalCurve: public QwtPlotSeriesItem<QwtIntervalSample>
29 {
30 public:
38 enum CurveStyle
39 {
43 NoCurve,
44
50 Tube,
51
57 UserCurve = 100
58 };
59
64 enum PaintAttribute
65 {
71 ClipPolygons = 0x01,
72
74 ClipSymbol = 0x02
75 };
76
78 typedef QFlags<PaintAttribute> PaintAttributes;
79
80 explicit QwtPlotIntervalCurve( const QString &title = QString::null );
81 explicit QwtPlotIntervalCurve( const QwtText &title );
82
83 virtual ~QwtPlotIntervalCurve();
84
85 virtual int rtti() const;
86
87 void setPaintAttribute( PaintAttribute, bool on = true );
88 bool testPaintAttribute( PaintAttribute ) const;
89
90 void setSamples( const QVector<QwtIntervalSample> & );
91
92 void setPen( const QPen & );
93 const QPen &pen() const;
94
95 void setBrush( const QBrush & );
96 const QBrush &brush() const;
97
98 void setStyle( CurveStyle style );
99 CurveStyle style() const;
100
101 void setSymbol( const QwtIntervalSymbol * );
102 const QwtIntervalSymbol *symbol() const;
103
104 virtual void drawSeries( QPainter *p,
105 const QwtScaleMap &xMap, const QwtScaleMap &yMap,
106 const QRectF &canvasRect, int from, int to ) const;
107
108 virtual QRectF boundingRect() const;
109 virtual void drawLegendIdentifier( QPainter *, const QRectF & ) const;
110
111 protected:
112
113 void init();
114
115 virtual void drawTube( QPainter *,
116 const QwtScaleMap &xMap, const QwtScaleMap &yMap,
117 const QRectF &canvasRect, int from, int to ) const;
118
119 virtual void drawSymbols( QPainter *, const QwtIntervalSymbol &,
120 const QwtScaleMap &xMap, const QwtScaleMap &yMap,
121 const QRectF &canvasRect, int from, int to ) const;
122
123 private:
124 class PrivateData;
125 PrivateData *d_data;
126 };
127
128 Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPlotIntervalCurve::PaintAttributes )
129
130 #endif