qwt_plot_shapeitem.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_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,
    };

    typedef QFlags<PaintAttribute> PaintAttributes;

    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 *d_data;
};

#endif