qwt_plot_shapeitem.h

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/******************************************************************************
 * 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_SHAPE_ITEM_H
#define QWT_PLOT_SHAPE_ITEM_H

#include "qwt_global.h"
#include "qwt_plot_item.h"

#include <qstring.h>

class QPainterPath;
class QPolygonF;

class QWT_EXPORT QwtPlotShapeItem : public QwtPlotItem
{
  public:
    enum PaintAttribute
    {
        ClipPolygons = 0x01,
    };

    Q_DECLARE_FLAGS( PaintAttributes, PaintAttribute )

    
    enum LegendMode
    {
        LegendShape,

        LegendColor
    };

    explicit QwtPlotShapeItem( const QString& title = QString() );
    explicit QwtPlotShapeItem( const QwtText& title );

    virtual ~QwtPlotShapeItem();

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

    void setLegendMode( LegendMode );
    LegendMode legendMode() const;

    void setRect( const QRectF& );
    void setPolygon( const QPolygonF& );

    void setShape( const QPainterPath& );
    QPainterPath shape() const;

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

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

    void setRenderTolerance( double );
    double renderTolerance() const;

    virtual QRectF boundingRect() const QWT_OVERRIDE;

    virtual void draw( QPainter*,
        const QwtScaleMap& xMap, const QwtScaleMap& yMap,
        const QRectF& canvasRect ) const QWT_OVERRIDE;

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

    virtual int rtti() const QWT_OVERRIDE;

  private:
    void init();

    class PrivateData;
    PrivateData* m_data;
};

#endif