qwt_plot_intervalcurve.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_INTERVAL_CURVE_H
#define QWT_PLOT_INTERVAL_CURVE_H

#include "qwt_global.h"
#include "qwt_plot_seriesitem.h"
#include "qwt_series_data.h"

class QwtIntervalSymbol;

class QWT_EXPORT QwtPlotIntervalCurve: 
    public QwtPlotSeriesItem, public QwtSeriesStore<QwtIntervalSample>
{
public:
    enum CurveStyle
    {
        NoCurve,

        Tube,

        UserCurve = 100
    };

    enum PaintAttribute
    {
        ClipPolygons = 0x01,

        ClipSymbol   = 0x02
    };

    typedef QFlags<PaintAttribute> PaintAttributes;

    explicit QwtPlotIntervalCurve( const QString &title = QString::null );
    explicit QwtPlotIntervalCurve( const QwtText &title );

    virtual ~QwtPlotIntervalCurve();

    virtual int rtti() const;

    void setPaintAttribute( PaintAttribute, bool on = true );
    bool testPaintAttribute( PaintAttribute ) const;

    void setSamples( const QVector<QwtIntervalSample> & );
    void setSamples( QwtSeriesData<QwtIntervalSample> * );

    void setPen( const QColor &, qreal width = 0.0, Qt::PenStyle = Qt::SolidLine );
    void setPen( const QPen & );
    const QPen &pen() const;

    void setBrush( const QBrush & );
    const QBrush &brush() const;

    void setStyle( CurveStyle style );
    CurveStyle style() const;

    void setSymbol( const QwtIntervalSymbol * );
    const QwtIntervalSymbol *symbol() const;

    virtual void drawSeries( QPainter *p,
        const QwtScaleMap &xMap, const QwtScaleMap &yMap,
        const QRectF &canvasRect, int from, int to ) const;

    virtual QRectF boundingRect() const;

    virtual QwtGraphic legendIcon( int index, const QSizeF & ) const;

protected:

    void init();

    virtual void drawTube( QPainter *,
        const QwtScaleMap &xMap, const QwtScaleMap &yMap,
        const QRectF &canvasRect, int from, int to ) const;

    virtual void drawSymbols( QPainter *, const QwtIntervalSymbol &,
        const QwtScaleMap &xMap, const QwtScaleMap &yMap,
        const QRectF &canvasRect, int from, int to ) const;

private:
    class PrivateData;
    PrivateData *d_data;
};

Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPlotIntervalCurve::PaintAttributes )

#endif