Qwt User's Guide 6.2.0

qwt_plot_intervalcurve.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_INTERVAL_CURVE_H
11 #define QWT_PLOT_INTERVAL_CURVE_H
12
13 #include "qwt_global.h"
14 #include "qwt_plot_seriesitem.h"
15
16 class QwtIntervalSymbol;
17 template< typename T > class QwtSeriesData;
18
27 class QWT_EXPORT QwtPlotIntervalCurve
28 : public QwtPlotSeriesItem
29 , public QwtSeriesStore< QwtIntervalSample >
30 {
31 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
77 Q_DECLARE_FLAGS( PaintAttributes, PaintAttribute )
78
79 explicit QwtPlotIntervalCurve( const QString& title = QString() );
80 explicit QwtPlotIntervalCurve( const QwtText& title );
81
82 virtual ~QwtPlotIntervalCurve();
83
84 virtual int rtti() const QWT_OVERRIDE;
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&,
93 qreal width = 0.0, Qt::PenStyle = Qt::SolidLine );
94
95 void setPen( const QPen& );
96 const QPen& pen() const;
97
98 void setBrush( const QBrush& );
99 const QBrush& brush() const;
100
101 void setStyle( CurveStyle style );
102 CurveStyle style() const;
103
104 void setSymbol( const QwtIntervalSymbol* );
105 const QwtIntervalSymbol* symbol() const;
106
107 virtual void drawSeries( QPainter*,
108 const QwtScaleMap& xMap, const QwtScaleMap& yMap,
109 const QRectF& canvasRect, int from, int to ) const QWT_OVERRIDE;
110
111 virtual QRectF boundingRect() const QWT_OVERRIDE;
112
113 virtual QwtGraphic legendIcon(
114 int index, const QSizeF& ) const QWT_OVERRIDE;
115
116 protected:
117
118 void init();
119
120 virtual void drawTube( QPainter*,
121 const QwtScaleMap& xMap, const QwtScaleMap& yMap,
122 const QRectF& canvasRect, int from, int to ) const;
123
124 virtual void drawSymbols( QPainter*, const QwtIntervalSymbol&,
125 const QwtScaleMap& xMap, const QwtScaleMap& yMap,
126 const QRectF& canvasRect, int from, int to ) const;
127
128 private:
129 class PrivateData;
130 PrivateData* m_data;
131 };
132
133 Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPlotIntervalCurve::PaintAttributes )
134
135 #endif
QVector
Definition: qwt_clipper.h:23
QwtGraphic
A paint device for scalable graphics.
Definition: qwt_graphic.h:76
QwtIntervalSample
A sample of the types (x1-x2, y) or (x, y1-y2)
Definition: qwt_samples.h:21
QwtIntervalSymbol
A drawing primitive for displaying an interval like an error bar.
Definition: qwt_interval_symbol.h:28
QwtPlotIntervalCurve
QwtPlotIntervalCurve represents a series of samples, where each value is associated with an interval ...
Definition: qwt_plot_intervalcurve.h:30
QwtPlotIntervalCurve::PaintAttributes
QFlags< PaintAttribute > PaintAttributes
Definition: qwt_plot_intervalcurve.h:77
QwtPlotIntervalCurve::PaintAttribute
PaintAttribute
Definition: qwt_plot_intervalcurve.h:65
QwtPlotIntervalCurve::CurveStyle
CurveStyle
Curve styles. The default setting is QwtPlotIntervalCurve::Tube.
Definition: qwt_plot_intervalcurve.h:39
QwtPlotIntervalCurve::NoCurve
@ NoCurve
Definition: qwt_plot_intervalcurve.h:43
QwtPlotIntervalCurve::Tube
@ Tube
Definition: qwt_plot_intervalcurve.h:50
QwtPlotItem::rtti
virtual int rtti() const
Definition: qwt_plot_item.cpp:136
QwtPlotSeriesItem
Base class for plot items representing a series of samples.
Definition: qwt_plot_seriesitem.h:26
QwtScaleMap
A scale map.
Definition: qwt_scale_map.h:27
QwtSeriesData
Abstract interface for iterating over samples.
Definition: qwt_series_data.h:50
QwtSeriesStore
Class storing a QwtSeriesData object.
Definition: qwt_series_store.h:67
QwtText
A class representing a text.
Definition: qwt_text.h:52