Qwt User's Guide 6.2.0

qwt_plot_directpainter.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_DIRECT_PAINTER_H
11 #define QWT_PLOT_DIRECT_PAINTER_H
12
13 #include "qwt_global.h"
14 #include <qobject.h>
15
16 class QRegion;
17 class QwtPlotSeriesItem;
18
39 class QWT_EXPORT QwtPlotDirectPainter : public QObject
40 {
41 public:
46 enum Attribute
47 {
54 AtomicPainter = 0x01,
55
60 FullRepaint = 0x02,
61
70 CopyBackingStore = 0x04
71 };
72
73 Q_DECLARE_FLAGS( Attributes, Attribute )
74
75 explicit QwtPlotDirectPainter( QObject* parent = NULL );
76 virtual ~QwtPlotDirectPainter();
77
78 void setAttribute( Attribute, bool on );
79 bool testAttribute( Attribute ) const;
80
81 void setClipping( bool );
82 bool hasClipping() const;
83
84 void setClipRegion( const QRegion& );
85 QRegion clipRegion() const;
86
87 void drawSeries( QwtPlotSeriesItem*, int from, int to );
88 void reset();
89
90 virtual bool eventFilter( QObject*, QEvent* ) QWT_OVERRIDE;
91
92 private:
93 class PrivateData;
94 PrivateData* m_data;
95 };
96
97 Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPlotDirectPainter::Attributes )
98
99 #endif
QwtPlotDirectPainter
Painter object trying to paint incrementally.
Definition: qwt_plot_directpainter.h:40
QwtPlotDirectPainter::Attribute
Attribute
Paint attributes.
Definition: qwt_plot_directpainter.h:47
QwtPlotDirectPainter::Attributes
QFlags< Attribute > Attributes
Definition: qwt_plot_directpainter.h:73
QwtPlotSeriesItem
Base class for plot items representing a series of samples.
Definition: qwt_plot_seriesitem.h:26