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
Bridge between QwtSeriesStore and QwtPlotSeriesItem.
Base class for items on the plot canvas.
Definition: qwt_plot_item.h:67
virtual void draw(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const =0
Draw the item.
virtual QRectF boundingRect() const
Base class for plot items representing a series of samples.
virtual void drawSeries(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, int from, int to) const =0
A class representing a scale division.
Definition: qwt_scale_div.h:34
A scale map.
Definition: qwt_scale_map.h:27
A class representing a text.
Definition: qwt_text.h:52