qwt_plot_grid.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_GRID_H
#define QWT_PLOT_GRID_H
 
#include "qwt_global.h"
#include "qwt_plot_item.h"
 
class QPainter;
class QPen;
class QwtScaleMap;
class QwtScaleDiv;
 
class QWT_EXPORT QwtPlotGrid : public QwtPlotItem
{
  public:
    explicit QwtPlotGrid();
    virtual ~QwtPlotGrid();
 
    virtual int rtti() const QWT_OVERRIDE;
 
    void enableX( bool );
    bool xEnabled() const;
 
    void enableY( bool );
    bool yEnabled() const;
 
    void enableXMin( bool );
    bool xMinEnabled() const;
 
    void enableYMin( bool );
    bool yMinEnabled() const;
 
    void setXDiv( const QwtScaleDiv& );
    const QwtScaleDiv& xScaleDiv() const;
 
    void setYDiv( const QwtScaleDiv& );
    const QwtScaleDiv& yScaleDiv() const;
 
    void setPen( const QColor&,
        qreal width = 0.0, Qt::PenStyle = Qt::SolidLine );
 
    void setPen( const QPen& );
 
    void setMajorPen( const QColor&,
        qreal width = 0.0, Qt::PenStyle = Qt::SolidLine );
 
    void setMajorPen( const QPen& );
    const QPen& majorPen() const;
 
    void setMinorPen( const QColor&, qreal width = 0.0, Qt::PenStyle = Qt::SolidLine );
    void setMinorPen( const QPen& );
    const QPen& minorPen() const;
 
    virtual void draw( QPainter*,
        const QwtScaleMap& xMap, const QwtScaleMap& yMap,
        const QRectF& canvasRect ) const QWT_OVERRIDE;
 
    virtual void updateScaleDiv(
        const QwtScaleDiv& xScaleDiv, const QwtScaleDiv& yScaleDiv ) QWT_OVERRIDE;
 
  private:
    void drawLines( QPainter*, const QRectF&,
        Qt::Orientation, const QwtScaleMap&,
        const QList< double >& ) const;
 
    class PrivateData;
    PrivateData* m_data;
};
 
#endif