qwt_plot_textlabel.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_TEXT_LABEL_H
#define QWT_PLOT_TEXT_LABEL_H
 
#include "qwt_global.h"
#include "qwt_plot_item.h"
 
class QwtText;
 
class QWT_EXPORT QwtPlotTextLabel : public QwtPlotItem
{
  public:
    QwtPlotTextLabel();
    virtual ~QwtPlotTextLabel();
 
    virtual int rtti() const QWT_OVERRIDE;
 
    void setText( const QwtText& );
    QwtText text() const;
 
    void setMargin( int margin );
    int margin() const;
 
    virtual QRectF textRect( const QRectF&, const QSizeF& ) const;
 
  protected:
    virtual void draw( QPainter*,
        const QwtScaleMap&, const QwtScaleMap&,
        const QRectF&) const QWT_OVERRIDE;
 
    void invalidateCache();
 
  private:
    class PrivateData;
    PrivateData* m_data;
};
 
#endif