Qwt User's Guide 6.0.1

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# qwt_plot_directpainter.h

    00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
    00002  * Qwt Widget Library
    00003  * Copyright (C) 1997   Josef Wilgen
    00004  * Copyright (C) 2002   Uwe Rathmann
    00005  *
    00006  * This library is free software; you can redistribute it and/or
    00007  * modify it under the terms of the Qwt License, Version 1.0
    00008  *****************************************************************************/
    00009
    00010 #ifndef QWT_PLOT_DIRECT_PAINTER_H
    00011 #define QWT_PLOT_DIRECT_PAINTER_H
    00012
    00013 #include "qwt_global.h"
    00014 #include <qobject.h>
    00015
    00016 class QRegion;
    00017 class QwtPlotAbstractSeriesItem;
    00018
    00039 class QWT_EXPORT QwtPlotDirectPainter: public QObject
    00040 {
    00041 public:
    00046     enum Attribute
    00047     {
    00054         AtomicPainter = 0x01,
    00055
    00060         FullRepaint = 0x02,
    00061
    00070         CopyBackingStore = 0x04
    00071     };
    00072
    00074     typedef QFlags<Attribute> Attributes;
    00075
    00076     QwtPlotDirectPainter( QObject *parent = NULL );
    00077     virtual ~QwtPlotDirectPainter();
    00078
    00079     void setAttribute( Attribute, bool on );
    00080     bool testAttribute( Attribute ) const;
    00081
    00082     void setClipping( bool );
    00083     bool hasClipping() const;
    00084
    00085     void setClipRegion( const QRegion & );
    00086     QRegion clipRegion() const;
    00087
    00088     void drawSeries( QwtPlotAbstractSeriesItem *, int from, int to );
    00089     void reset();
    00090
    00091     virtual bool eventFilter( QObject *, QEvent * );
    00092
    00093 private:
    00094     class PrivateData;
    00095     PrivateData *d_data;
    00096 };
    00097
    00098 Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPlotDirectPainter::Attributes )
    00099
    00100 #endif