qwt_plot_intervalcurve.h

/******************************************************************************
 * 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"
 
class QwtIntervalSymbol;
template< typename T > class QwtSeriesData;
 
class QWT_EXPORT QwtPlotIntervalCurve
    : public QwtPlotSeriesItem
    , public QwtSeriesStore< QwtIntervalSample >
{
  public:
    enum CurveStyle
    {
        NoCurve,
 
        Tube,
 
        UserCurve = 100
    };
 
    enum PaintAttribute
    {
        ClipPolygons = 0x01,
 
        ClipSymbol   = 0x02,
 
        TubeAsLines = 0x10
    };
 
    Q_DECLARE_FLAGS( PaintAttributes, PaintAttribute )
 
    explicit QwtPlotIntervalCurve( const QString& title = QString() );
    explicit QwtPlotIntervalCurve( const QwtText& title );
 
    virtual ~QwtPlotIntervalCurve();
 
    virtual int rtti() const QWT_OVERRIDE;
 
    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*,
        const QwtScaleMap& xMap, const QwtScaleMap& yMap,
        const QRectF& canvasRect, int from, int to ) const QWT_OVERRIDE;
 
    virtual QRectF boundingRect() const QWT_OVERRIDE;
 
    virtual QwtGraphic legendIcon(
        int index, const QSizeF& ) const QWT_OVERRIDE;
 
  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* m_data;
};
 
Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPlotIntervalCurve::PaintAttributes )
 
#endif