qwt_plot_directpainter.h

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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
 * Qwt Widget Library
 * Copyright (C) 1997   Josef Wilgen
 * Copyright (C) 2002   Uwe Rathmann
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the Qwt License, Version 1.0
 *****************************************************************************/

#ifndef QWT_PLOT_DIRECT_PAINTER_H
#define QWT_PLOT_DIRECT_PAINTER_H

#include "qwt_global.h"
#include <qobject.h>

class QRegion;
class QwtPlotSeriesItem;

class QWT_EXPORT QwtPlotDirectPainter: public QObject
{
public:
    enum Attribute
    {
        AtomicPainter = 0x01,

        FullRepaint = 0x02,

        CopyBackingStore = 0x04
    };

    typedef QFlags<Attribute> Attributes;

    explicit QwtPlotDirectPainter( QObject *parent = NULL );
    virtual ~QwtPlotDirectPainter();

    void setAttribute( Attribute, bool on );
    bool testAttribute( Attribute ) const;

    void setClipping( bool );
    bool hasClipping() const;

    void setClipRegion( const QRegion & );
    QRegion clipRegion() const;

    void drawSeries( QwtPlotSeriesItem *, int from, int to );
    void reset();

    virtual bool eventFilter( QObject *, QEvent * );

private:
    class PrivateData;
    PrivateData *d_data;
};

Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPlotDirectPainter::Attributes )

#endif