Qwt User's Guide: qwt_plot_seriesitem.h Source File

Qwt User's Guide 6.2.0

qwt_plot_seriesitem.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_SERIES_ITEM_H
11 #define QWT_PLOT_SERIES_ITEM_H
12
13 #include "qwt_global.h"
14 #include "qwt_plot_item.h"
15 #include "qwt_series_store.h"
16
17 #include <qstring.h>
18
19 class QwtScaleDiv;
20
24 class QWT_EXPORT QwtPlotSeriesItem : public QwtPlotItem,
25 public virtual QwtAbstractSeriesStore
26 {
27 public:
28 explicit QwtPlotSeriesItem( const QString& title = QString() );
29 explicit QwtPlotSeriesItem( const QwtText& title );
30
31 virtual ~QwtPlotSeriesItem();
32
33 void setOrientation( Qt::Orientation );
34 Qt::Orientation orientation() const;
35
36 virtual void draw( QPainter*,
37 const QwtScaleMap& xMap, const QwtScaleMap& yMap,
38 const QRectF& canvasRect ) const QWT_OVERRIDE;
39
51 virtual void drawSeries( QPainter* painter,
52 const QwtScaleMap& xMap, const QwtScaleMap& yMap,
53 const QRectF& canvasRect, int from, int to ) const = 0;
54
55 virtual QRectF boundingRect() const QWT_OVERRIDE;
56
57 virtual void updateScaleDiv(
58 const QwtScaleDiv&, const QwtScaleDiv& ) QWT_OVERRIDE;
59
60 protected:
61 virtual void dataChanged() QWT_OVERRIDE;
62
63 private:
64 class PrivateData;
65 PrivateData* m_data;
66 };
67
68 #endif
QwtAbstractSeriesStore
Bridge between QwtSeriesStore and QwtPlotSeriesItem.
Definition: qwt_series_store.h:25
QwtPlotItem
Base class for items on the plot canvas.
Definition: qwt_plot_item.h:67
QwtPlotItem::draw
virtual void draw(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const =0
Draw the item.
QwtPlotItem::boundingRect
virtual QRectF boundingRect() const
Definition: qwt_plot_item.cpp:568
QwtPlotSeriesItem
Base class for plot items representing a series of samples.
Definition: qwt_plot_seriesitem.h:26
QwtPlotSeriesItem::drawSeries
virtual void drawSeries(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, int from, int to) const =0
QwtScaleDiv
A class representing a scale division.
Definition: qwt_scale_div.h:34
QwtScaleMap
A scale map.
Definition: qwt_scale_map.h:27
QwtText
A class representing a text.
Definition: qwt_text.h:52