qwt_plot_scaleitem.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_SCALE_ITEM_H
#define QWT_PLOT_SCALE_ITEM_H

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

#if QT_VERSION < 0x040000
class QColorGroup;
#else
class QPalette;
#endif

class QWT_EXPORT QwtPlotScaleItem: public QwtPlotItem
{
public:
    explicit QwtPlotScaleItem(
        QwtScaleDraw::Alignment = QwtScaleDraw::BottomScale, 
        const double pos = 0.0);
    virtual ~QwtPlotScaleItem();

    virtual int rtti() const;

    void setScaleDiv(const QwtScaleDiv& );
    const QwtScaleDiv& scaleDiv() const;

    void setScaleDivFromAxis(bool on);
    bool isScaleDivFromAxis() const;
    
#if QT_VERSION < 0x040000
    void setColorGroup(const QColorGroup &);
    QColorGroup colorGroup() const;
#else
    void setPalette(const QPalette &);
    QPalette palette() const;
#endif

    void setFont(const QFont&);
    QFont font() const;

    void setScaleDraw(QwtScaleDraw *);

    const QwtScaleDraw *scaleDraw() const;
    QwtScaleDraw *scaleDraw();

    void setPosition(double pos);
    double position() const;

    void setBorderDistance(int numPixels);
    int borderDistance() const;

    void setAlignment(QwtScaleDraw::Alignment);

    virtual void draw(QPainter *p, 
        const QwtScaleMap &xMap, const QwtScaleMap &yMap,
        const QRect &rect) const;

    virtual void updateScaleDiv(const QwtScaleDiv&,
        const QwtScaleDiv&);

private:
    void updateBorders();

    class PrivateData;
    PrivateData *d_data;
};

#endif